diff options
Diffstat (limited to 'src/drivers')
42 files changed, 2350 insertions, 412 deletions
diff --git a/src/drivers/airspeed/airspeed.cpp b/src/drivers/airspeed/airspeed.cpp index 41942aacd..293690d27 100644 --- a/src/drivers/airspeed/airspeed.cpp +++ b/src/drivers/airspeed/airspeed.cpp @@ -165,7 +165,7 @@ Airspeed::probe() */ _retries = 4; int ret = measure(); - _retries = 2; + _retries = 0; return ret; } @@ -381,7 +381,10 @@ Airspeed::cycle_trampoline(void *arg) Airspeed *dev = (Airspeed *)arg; dev->cycle(); - dev->update_status(); + // XXX we do not know if this is + // really helping - do not update the + // subsys state right now + //dev->update_status(); } void diff --git a/src/drivers/boards/aerocore/aerocore_init.c b/src/drivers/boards/aerocore/aerocore_init.c index 4e3ba2d7e..1ce235da8 100644 --- a/src/drivers/boards/aerocore/aerocore_init.c +++ b/src/drivers/boards/aerocore/aerocore_init.c @@ -93,6 +93,19 @@ # endif #endif +/* + * Ideally we'd be able to get these from up_internal.h, + * but since we want to be able to disable the NuttX use + * of leds for system indication at will and there is no + * separate switch, we need to build independent of the + * CONFIG_ARCH_LEDS configuration switch. + */ +__BEGIN_DECLS +extern void led_init(void); +extern void led_on(int led); +extern void led_off(int led); +__END_DECLS + /**************************************************************************** * Protected Functions ****************************************************************************/ diff --git a/src/drivers/boards/aerocore/board_config.h b/src/drivers/boards/aerocore/board_config.h index 70142a314..776a2071e 100644 --- a/src/drivers/boards/aerocore/board_config.h +++ b/src/drivers/boards/aerocore/board_config.h @@ -171,6 +171,25 @@ __BEGIN_DECLS extern void stm32_spiinitialize(void); +/**************************************************************************** + * Name: nsh_archinitialize + * + * Description: + * Perform architecture specific initialization for NSH. + * + * CONFIG_NSH_ARCHINIT=y : + * Called from the NSH library + * + * CONFIG_BOARD_INITIALIZE=y, CONFIG_NSH_LIBRARY=y, && + * CONFIG_NSH_ARCHINIT=n : + * Called from board_initialize(). + * + ****************************************************************************/ + +#ifdef CONFIG_NSH_LIBRARY +int nsh_archinitialize(void); +#endif + #endif /* __ASSEMBLY__ */ __END_DECLS diff --git a/src/drivers/boards/px4fmu-v1/board_config.h b/src/drivers/boards/px4fmu-v1/board_config.h index a70a6240c..188885be2 100644 --- a/src/drivers/boards/px4fmu-v1/board_config.h +++ b/src/drivers/boards/px4fmu-v1/board_config.h @@ -209,6 +209,27 @@ __BEGIN_DECLS extern void stm32_spiinitialize(void); +extern void stm32_usbinitialize(void); + +/**************************************************************************** + * Name: nsh_archinitialize + * + * Description: + * Perform architecture specific initialization for NSH. + * + * CONFIG_NSH_ARCHINIT=y : + * Called from the NSH library + * + * CONFIG_BOARD_INITIALIZE=y, CONFIG_NSH_LIBRARY=y, && + * CONFIG_NSH_ARCHINIT=n : + * Called from board_initialize(). + * + ****************************************************************************/ + +#ifdef CONFIG_NSH_LIBRARY +int nsh_archinitialize(void); +#endif + #endif /* __ASSEMBLY__ */ __END_DECLS diff --git a/src/drivers/boards/px4fmu-v2/board_config.h b/src/drivers/boards/px4fmu-v2/board_config.h index 0190a5b5b..ee365e47c 100644 --- a/src/drivers/boards/px4fmu-v2/board_config.h +++ b/src/drivers/boards/px4fmu-v2/board_config.h @@ -229,6 +229,27 @@ __BEGIN_DECLS extern void stm32_spiinitialize(void); +extern void stm32_usbinitialize(void); + +/**************************************************************************** + * Name: nsh_archinitialize + * + * Description: + * Perform architecture specific initialization for NSH. + * + * CONFIG_NSH_ARCHINIT=y : + * Called from the NSH library + * + * CONFIG_BOARD_INITIALIZE=y, CONFIG_NSH_LIBRARY=y, && + * CONFIG_NSH_ARCHINIT=n : + * Called from board_initialize(). + * + ****************************************************************************/ + +#ifdef CONFIG_NSH_LIBRARY +int nsh_archinitialize(void); +#endif + #endif /* __ASSEMBLY__ */ __END_DECLS diff --git a/src/drivers/boards/px4fmu-v2/px4fmu2_init.c b/src/drivers/boards/px4fmu-v2/px4fmu2_init.c index bf41bb1fe..9b25c574a 100644 --- a/src/drivers/boards/px4fmu-v2/px4fmu2_init.c +++ b/src/drivers/boards/px4fmu-v2/px4fmu2_init.c @@ -94,6 +94,19 @@ # endif #endif +/* + * Ideally we'd be able to get these from up_internal.h, + * but since we want to be able to disable the NuttX use + * of leds for system indication at will and there is no + * separate switch, we need to build independent of the + * CONFIG_ARCH_LEDS configuration switch. + */ +__BEGIN_DECLS +extern void led_init(void); +extern void led_on(int led); +extern void led_off(int led); +__END_DECLS + /**************************************************************************** * Protected Functions ****************************************************************************/ diff --git a/src/drivers/boards/px4io-v2/board_config.h b/src/drivers/boards/px4io-v2/board_config.h index ef9bb5cad..10a93be0b 100644 --- a/src/drivers/boards/px4io-v2/board_config.h +++ b/src/drivers/boards/px4io-v2/board_config.h @@ -77,6 +77,7 @@ #define GPIO_LED1 (GPIO_OUTPUT|GPIO_CNF_OUTOD|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN14) #define GPIO_LED2 (GPIO_OUTPUT|GPIO_CNF_OUTOD|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN15) #define GPIO_LED3 (GPIO_OUTPUT|GPIO_CNF_OUTOD|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN13) +#define GPIO_LED4 (GPIO_OUTPUT|GPIO_CNF_OUTOD|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTA|GPIO_PIN11) /* Safety switch button *******************************************************/ diff --git a/src/drivers/boards/px4io-v2/px4iov2_init.c b/src/drivers/boards/px4io-v2/px4iov2_init.c index 9f8c0eeb2..5c3343ccc 100644 --- a/src/drivers/boards/px4io-v2/px4iov2_init.c +++ b/src/drivers/boards/px4io-v2/px4iov2_init.c @@ -108,6 +108,7 @@ __EXPORT void stm32_boardinitialize(void) stm32_configgpio(GPIO_LED1); stm32_configgpio(GPIO_LED2); stm32_configgpio(GPIO_LED3); + stm32_configgpio(GPIO_LED4); stm32_configgpio(GPIO_BTN_SAFETY); diff --git a/src/drivers/device/device.cpp b/src/drivers/device/device.cpp index f1f777dce..d46901683 100644 --- a/src/drivers/device/device.cpp +++ b/src/drivers/device/device.cpp @@ -97,6 +97,7 @@ Device::Device(const char *name, /* setup a default device ID. When bus_type is UNKNOWN the other fields are invalid */ + _device_id.devid = 0; _device_id.devid_s.bus_type = DeviceBusType_UNKNOWN; _device_id.devid_s.bus = 0; _device_id.devid_s.address = 0; diff --git a/src/drivers/drv_gps.h b/src/drivers/drv_gps.h index e14f4e00d..76a211000 100644 --- a/src/drivers/drv_gps.h +++ b/src/drivers/drv_gps.h @@ -57,7 +57,8 @@ typedef enum { GPS_DRIVER_MODE_NONE = 0, GPS_DRIVER_MODE_UBX, - GPS_DRIVER_MODE_MTK + GPS_DRIVER_MODE_MTK, + GPS_DRIVER_MODE_ASHTECH } gps_driver_mode_t; diff --git a/src/drivers/drv_pwm_output.h b/src/drivers/drv_pwm_output.h index 84815fdfb..6873f24b6 100644 --- a/src/drivers/drv_pwm_output.h +++ b/src/drivers/drv_pwm_output.h @@ -95,6 +95,11 @@ __BEGIN_DECLS #define PWM_LOWEST_MAX 1700 /** + * Do not output a channel with this value + */ +#define PWM_IGNORE_THIS_CHANNEL UINT16_MAX + +/** * Servo output signal type, value is actual servo output pulse * width in microseconds. */ @@ -160,7 +165,7 @@ ORB_DECLARE(output_pwm); #define DSM2_BIND_PULSES 3 /* DSM_BIND_START ioctl parameter, pulses required to start dsm2 pairing */ #define DSMX_BIND_PULSES 7 /* DSM_BIND_START ioctl parameter, pulses required to start dsmx pairing */ -#define DSMX8_BIND_PULSES 10 /* DSM_BIND_START ioctl parameter, pulses required to start 8 or more channel dsmx pairing */ +#define DSMX8_BIND_PULSES 9 /* DSM_BIND_START ioctl parameter, pulses required to start 8 or more channel dsmx pairing */ /** power up DSM receiver */ #define DSM_BIND_POWER_UP _IOC(_PWM_SERVO_BASE, 11) @@ -200,10 +205,16 @@ ORB_DECLARE(output_pwm); #define PWM_SERVO_GET_DISABLE_LOCKDOWN _IOC(_PWM_SERVO_BASE, 22) /** force safety switch off (to disable use of safety switch) */ -#define PWM_SERVO_SET_FORCE_SAFETY_OFF _IOC(_PWM_SERVO_BASE, 23) +#define PWM_SERVO_SET_FORCE_SAFETY_OFF _IOC(_PWM_SERVO_BASE, 23) /** force failsafe mode (failsafe values are set immediately even if failsafe condition not met) */ -#define PWM_SERVO_SET_FORCE_FAILSAFE _IOC(_PWM_SERVO_BASE, 24) +#define PWM_SERVO_SET_FORCE_FAILSAFE _IOC(_PWM_SERVO_BASE, 24) + +/** make failsafe non-recoverable (termination) if it occurs */ +#define PWM_SERVO_SET_TERMINATION_FAILSAFE _IOC(_PWM_SERVO_BASE, 25) + +/** force safety switch on (to enable use of safety switch) */ +#define PWM_SERVO_SET_FORCE_SAFETY_ON _IOC(_PWM_SERVO_BASE, 26) /* * diff --git a/src/drivers/drv_px4flow.h b/src/drivers/drv_px4flow.h index 76ec55c3e..ab640837b 100644 --- a/src/drivers/drv_px4flow.h +++ b/src/drivers/drv_px4flow.h @@ -46,37 +46,6 @@ #define PX4FLOW_DEVICE_PATH "/dev/px4flow" -/** - * @addtogroup topics - * @{ - */ - -/** - * Optical flow in NED body frame in SI units. - * - * @see http://en.wikipedia.org/wiki/International_System_of_Units - * - * @warning If possible the usage of the raw flow and performing rotation-compensation - * using the autopilot angular rate estimate is recommended. - */ -struct px4flow_report { - - uint64_t timestamp; /**< in microseconds since system start */ - - int16_t flow_raw_x; /**< flow in pixels in X direction, not rotation-compensated */ - int16_t flow_raw_y; /**< flow in pixels in Y direction, not rotation-compensated */ - float flow_comp_x_m; /**< speed over ground in meters per second, rotation-compensated */ - float flow_comp_y_m; /**< speed over ground in meters per second, rotation-compensated */ - float ground_distance_m; /**< Altitude / distance to ground in meters */ - uint8_t quality; /**< Quality of the measurement, 0: bad quality, 255: maximum quality */ - uint8_t sensor_id; /**< id of the sensor emitting the flow value */ - -}; - -/** - * @} - */ - /* * ObjDev tag for px4flow data. */ diff --git a/src/drivers/drv_rc_input.h b/src/drivers/drv_rc_input.h index 47fa8fa59..b249c2a09 100644 --- a/src/drivers/drv_rc_input.h +++ b/src/drivers/drv_rc_input.h @@ -83,7 +83,8 @@ enum RC_INPUT_SOURCE { RC_INPUT_SOURCE_PX4FMU_PPM, RC_INPUT_SOURCE_PX4IO_PPM, RC_INPUT_SOURCE_PX4IO_SPEKTRUM, - RC_INPUT_SOURCE_PX4IO_SBUS + RC_INPUT_SOURCE_PX4IO_SBUS, + RC_INPUT_SOURCE_PX4IO_ST24 }; /** diff --git a/src/drivers/drv_tone_alarm.h b/src/drivers/drv_tone_alarm.h index 19f792d19..307f7dbc7 100644 --- a/src/drivers/drv_tone_alarm.h +++ b/src/drivers/drv_tone_alarm.h @@ -150,6 +150,7 @@ enum { TONE_ARMING_FAILURE_TUNE, TONE_PARACHUTE_RELEASE_TUNE, TONE_EKF_WARNING_TUNE, + TONE_BARO_WARNING_TUNE, TONE_NUMBER_OF_TUNES }; diff --git a/src/drivers/ets_airspeed/ets_airspeed.cpp b/src/drivers/ets_airspeed/ets_airspeed.cpp index f98d615a2..0f77bb805 100644 --- a/src/drivers/ets_airspeed/ets_airspeed.cpp +++ b/src/drivers/ets_airspeed/ets_airspeed.cpp @@ -155,7 +155,6 @@ ETSAirspeed::collect() } uint16_t diff_pres_pa_raw = val[1] << 8 | val[0]; - uint16_t diff_pres_pa; if (diff_pres_pa_raw == 0) { // a zero value means the pressure sensor cannot give us a // value. We need to return, and not report a value or the @@ -166,28 +165,21 @@ ETSAirspeed::collect() return -1; } - if (diff_pres_pa_raw < _diff_pres_offset + MIN_ACCURATE_DIFF_PRES_PA) { - diff_pres_pa = 0; - } else { - diff_pres_pa = diff_pres_pa_raw - _diff_pres_offset; - } - // The raw value still should be compensated for the known offset diff_pres_pa_raw -= _diff_pres_offset; // Track maximum differential pressure measured (so we can work out top speed). - if (diff_pres_pa > _max_differential_pressure_pa) { - _max_differential_pressure_pa = diff_pres_pa; + if (diff_pres_pa_raw > _max_differential_pressure_pa) { + _max_differential_pressure_pa = diff_pres_pa_raw; } differential_pressure_s report; report.timestamp = hrt_absolute_time(); report.error_count = perf_event_count(_comms_errors); - report.differential_pressure_pa = (float)diff_pres_pa; // XXX we may want to smooth out the readings to remove noise. - report.differential_pressure_filtered_pa = (float)diff_pres_pa; - report.differential_pressure_raw_pa = (float)diff_pres_pa_raw; + report.differential_pressure_filtered_pa = diff_pres_pa_raw; + report.differential_pressure_raw_pa = diff_pres_pa_raw; report.temperature = -1000.0f; report.max_differential_pressure_pa = _max_differential_pressure_pa; @@ -369,7 +361,7 @@ test() err(1, "immediate read failed"); warnx("single read"); - warnx("diff pressure: %f pa", (double)report.differential_pressure_pa); + warnx("diff pressure: %f pa", (double)report.differential_pressure_filtered_pa); /* start the sensor polling at 2Hz */ if (OK != ioctl(fd, SENSORIOCSPOLLRATE, 2)) @@ -394,7 +386,7 @@ test() err(1, "periodic read failed"); warnx("periodic read %u", i); - warnx("diff pressure: %f pa", (double)report.differential_pressure_pa); + warnx("diff pressure: %f pa", (double)report.differential_pressure_filtered_pa); } /* reset the sensor polling to its default rate */ diff --git a/src/drivers/gps/ashtech.cpp b/src/drivers/gps/ashtech.cpp new file mode 100644 index 000000000..a2e292de2 --- /dev/null +++ b/src/drivers/gps/ashtech.cpp @@ -0,0 +1,641 @@ +#include "ashtech.h" + +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <poll.h> +#include <math.h> +#include <string.h> +#include <assert.h> +#include <systemlib/err.h> +#include <uORB/uORB.h> +#include <uORB/topics/vehicle_gps_position.h> +#include <uORB/topics/satellite_info.h> +#include <drivers/drv_hrt.h> + +#include <fcntl.h> +#include <math.h> + +ASHTECH::ASHTECH(const int &fd, struct vehicle_gps_position_s *gps_position, struct satellite_info_s *satellite_info): + _fd(fd), + _satellite_info(satellite_info), + _gps_position(gps_position) +{ + decode_init(); + _decode_state = NME_DECODE_UNINIT; + _rx_buffer_bytes = 0; +} + +ASHTECH::~ASHTECH() +{ +} + +/* + * All NMEA descriptions are taken from + * http://www.trimble.com/OEM_ReceiverHelp/V4.44/en/NMEA-0183messages_MessageOverview.html + */ + +int ASHTECH::handle_message(int len) +{ + char * endp; + + if (len < 7) { return 0; } + + int uiCalcComma = 0; + + for (int i = 0 ; i < len; i++) { + if (_rx_buffer[i] == ',') { uiCalcComma++; } + } + + char *bufptr = (char *)(_rx_buffer + 6); + + if ((memcmp(_rx_buffer + 3, "ZDA,", 3) == 0) && (uiCalcComma == 6)) { + /* + UTC day, month, and year, and local time zone offset + An example of the ZDA message string is: + + $GPZDA,172809.456,12,07,1996,00,00*45 + + ZDA message fields + Field Meaning + 0 Message ID $GPZDA + 1 UTC + 2 Day, ranging between 01 and 31 + 3 Month, ranging between 01 and 12 + 4 Year + 5 Local time zone offset from GMT, ranging from 00 through 13 hours + 6 Local time zone offset from GMT, ranging from 00 through 59 minutes + 7 The checksum data, always begins with * + Fields 5 and 6 together yield the total offset. For example, if field 5 is -5 and field 6 is +15, local time is 5 hours and 15 minutes earlier than GMT. + */ + double ashtech_time = 0.0; + int day = 0, month = 0, year = 0, local_time_off_hour __attribute__((unused)) = 0, local_time_off_min __attribute__((unused)) = 0; + + if (bufptr && *(++bufptr) != ',') { ashtech_time = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { day = strtol(bufptr, &endp, 10); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { month = strtol(bufptr, &endp, 10); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { year = strtol(bufptr, &endp, 10); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { local_time_off_hour = strtol(bufptr, &endp, 10); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { local_time_off_min = strtol(bufptr, &endp, 10); bufptr = endp; } + + + int ashtech_hour = ashtech_time / 10000; + int ashtech_minute = (ashtech_time - ashtech_hour * 10000) / 100; + double ashtech_sec = ashtech_time - ashtech_hour * 10000 - ashtech_minute * 100; + /* + * convert to unix timestamp + */ + struct tm timeinfo; + timeinfo.tm_year = year - 1900; + timeinfo.tm_mon = month - 1; + timeinfo.tm_mday = day; + timeinfo.tm_hour = ashtech_hour; + timeinfo.tm_min = ashtech_minute; + timeinfo.tm_sec = int(ashtech_sec); + time_t epoch = mktime(&timeinfo); + + _gps_position->time_gps_usec = (uint64_t)epoch * 1000000; //TODO: test this + _gps_position->time_gps_usec += (uint64_t)((ashtech_sec - int(ashtech_sec)) * 1e6); + _gps_position->timestamp_time = hrt_absolute_time(); + } + + else if ((memcmp(_rx_buffer + 3, "GGA,", 3) == 0) && (uiCalcComma == 14)) { + /* + Time, position, and fix related data + An example of the GBS message string is: + + $GPGGA,172814.0,3723.46587704,N,12202.26957864,W,2,6,1.2,18.893,M,-25.669,M,2.0,0031*4F + + Note - The data string exceeds the ASHTECH standard length. + GGA message fields + Field Meaning + 0 Message ID $GPGGA + 1 UTC of position fix + 2 Latitude + 3 Direction of latitude: + N: North + S: South + 4 Longitude + 5 Direction of longitude: + E: East + W: West + 6 GPS Quality indicator: + 0: Fix not valid + 1: GPS fix + 2: Differential GPS fix, OmniSTAR VBS + 4: Real-Time Kinematic, fixed integers + 5: Real-Time Kinematic, float integers, OmniSTAR XP/HP or Location RTK + 7 Number of SVs in use, range from 00 through to 24+ + 8 HDOP + 9 Orthometric height (MSL reference) + 10 M: unit of measure for orthometric height is meters + 11 Geoid separation + 12 M: geoid separation measured in meters + 13 Age of differential GPS data record, Type 1 or Type 9. Null field when DGPS is not used. + 14 Reference station ID, range 0000-4095. A null field when any reference station ID is selected and no corrections are received1. + 15 + The checksum data, always begins with * + Note - If a user-defined geoid model, or an inclined + */ + double ashtech_time __attribute__((unused)) = 0.0, lat = 0.0, lon = 0.0, alt = 0.0; + int num_of_sv __attribute__((unused)) = 0, fix_quality = 0; + double hdop __attribute__((unused)) = 99.9; + char ns = '?', ew = '?'; + + if (bufptr && *(++bufptr) != ',') { ashtech_time = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { lat = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { ns = *(bufptr++); } + + if (bufptr && *(++bufptr) != ',') { lon = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { ew = *(bufptr++); } + + if (bufptr && *(++bufptr) != ',') { fix_quality = strtol(bufptr, &endp, 10); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { num_of_sv = strtol(bufptr, &endp, 10); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { hdop = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { alt = strtod(bufptr, &endp); bufptr = endp; } + + if (ns == 'S') { + lat = -lat; + } + + if (ew == 'W') { + lon = -lon; + } + + _gps_position->lat = (int(lat * 0.01) + (lat * 0.01 - int(lat * 0.01)) * 100.0 / 60.0) * 10000000; + _gps_position->lon = (int(lon * 0.01) + (lon * 0.01 - int(lon * 0.01)) * 100.0 / 60.0) * 10000000; + _gps_position->alt = alt * 1000; + _rate_count_lat_lon++; + + if (fix_quality <= 0) { + _gps_position->fix_type = 0; + + } else { + /* + * in this NMEA message float integers (value 5) mode has higher value than fixed integers (value 4), whereas it provides lower quality, + * and since value 3 is not being used, I "moved" value 5 to 3 to add it to _gps_position->fix_type + */ + if (fix_quality == 5) { fix_quality = 3; } + + /* + * fix quality 1 means just a normal 3D fix, so I'm subtracting 1 here. This way we'll have 3 for auto, 4 for DGPS, 5 for floats, 6 for fixed. + */ + _gps_position->fix_type = 3 + fix_quality - 1; + } + + _gps_position->timestamp_position = hrt_absolute_time(); + + _gps_position->vel_m_s = 0; /**< GPS ground speed (m/s) */ + _gps_position->vel_n_m_s = 0; /**< GPS ground speed in m/s */ + _gps_position->vel_e_m_s = 0; /**< GPS ground speed in m/s */ + _gps_position->vel_d_m_s = 0; /**< GPS ground speed in m/s */ + _gps_position->cog_rad = + 0; /**< Course over ground (NOT heading, but direction of movement) in rad, -PI..PI */ + _gps_position->vel_ned_valid = true; /**< Flag to indicate if NED speed is valid */ + _gps_position->c_variance_rad = 0.1; + _gps_position->timestamp_velocity = hrt_absolute_time(); + return 1; + + } else if ((memcmp(_rx_buffer, "$PASHR,POS,", 11) == 0) && (uiCalcComma == 18)) { + /* + Example $PASHR,POS,2,10,125410.00,5525.8138702,N,03833.9587380,E,131.555,1.0,0.0,0.007,-0.001,2.0,1.0,1.7,1.0,*34 + + $PASHR,POS,d1,d2,m3,m4,c5,m6,c7,f8,f9,f10,f11,f12,f13,f14,f15,f16,s17*cc + Parameter Description Range + d1 Position mode 0: standalone + 1: differential + 2: RTK float + 3: RTK fixed + 5: Dead reckoning + 9: SBAS (see NPT setting) + d2 Number of satellite used in position fix 0-99 + m3 Current UTC time of position fix (hhmmss.ss) 000000.00-235959.99 + m4 Latitude of position (ddmm.mmmmmm) 0-90 degrees 00-59.9999999 minutes + c5 Latitude sector N, S + m6 Longitude of position (dddmm.mmmmmm) 0-180 degrees 00-59.9999999 minutes + c7 Longitude sector E,W + f8 Altitude above ellipsoid +9999.000 + f9 Differential age (data link age), seconds 0.0-600.0 + f10 True track/course over ground in degrees 0.0-359.9 + f11 Speed over ground in knots 0.0-999.9 + f12 Vertical velocity in decimeters per second +999.9 + f13 PDOP 0-99.9 + f14 HDOP 0-99.9 + f15 VDOP 0-99.9 + f16 TDOP 0-99.9 + s17 Reserved no data + *cc Checksum + */ + bufptr = (char *)(_rx_buffer + 10); + + /* + * Ashtech would return empty space as coordinate (lat, lon or alt) if it doesn't have a fix yet + */ + int coordinatesFound = 0; + double ashtech_time __attribute__((unused)) = 0.0, lat = 0.0, lon = 0.0, alt = 0.0; + int num_of_sv __attribute__((unused)) = 0, fix_quality = 0; + double track_true = 0.0, ground_speed = 0.0 , age_of_corr __attribute__((unused)) = 0.0; + double hdop __attribute__((unused)) = 99.9, vdop __attribute__((unused)) = 99.9, pdop __attribute__((unused)) = 99.9, tdop __attribute__((unused)) = 99.9, vertic_vel = 0.0; + char ns = '?', ew = '?'; + + if (bufptr && *(++bufptr) != ',') { fix_quality = strtol(bufptr, &endp, 10); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { num_of_sv = strtol(bufptr, &endp, 10); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { ashtech_time = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { + /* + * if a coordinate is skipped (i.e. no fix), it either won't get into this block (two commas in a row) + * or strtod won't find anything and endp will point exactly where bufptr is. The same is for lon and alt. + */ + lat = strtod(bufptr, &endp); + if (bufptr != endp) {coordinatesFound++;} + bufptr = endp; + } + + if (bufptr && *(++bufptr) != ',') { ns = *(bufptr++); } + + if (bufptr && *(++bufptr) != ',') { + lon = strtod(bufptr, &endp); + if (bufptr != endp) {coordinatesFound++;} + bufptr = endp; + } + + if (bufptr && *(++bufptr) != ',') { ew = *(bufptr++); } + + if (bufptr && *(++bufptr) != ',') { + alt = strtod(bufptr, &endp); + if (bufptr != endp) {coordinatesFound++;} + bufptr = endp; + } + + if (bufptr && *(++bufptr) != ',') { age_of_corr = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { track_true = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { ground_speed = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { vertic_vel = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { pdop = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { hdop = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { vdop = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { tdop = strtod(bufptr, &endp); bufptr = endp; } + + if (ns == 'S') { + lat = -lat; + } + + if (ew == 'W') { + lon = -lon; + } + + _gps_position->lat = (int(lat * 0.01) + (lat * 0.01 - int(lat * 0.01)) * 100.0 / 60.0) * 10000000; + _gps_position->lon = (int(lon * 0.01) + (lon * 0.01 - int(lon * 0.01)) * 100.0 / 60.0) * 10000000; + _gps_position->alt = alt * 1000; + _rate_count_lat_lon++; + + if (coordinatesFound < 3) { + _gps_position->fix_type = 0; + + } else { + _gps_position->fix_type = 3 + fix_quality; + } + + _gps_position->timestamp_position = hrt_absolute_time(); + + double track_rad = track_true * M_PI / 180.0; + + double velocity_ms = ground_speed / 1.9438445; /** knots to m/s */ + double velocity_north = velocity_ms * cos(track_rad); + double velocity_east = velocity_ms * sin(track_rad); + + _gps_position->vel_m_s = velocity_ms; /**< GPS ground speed (m/s) */ + _gps_position->vel_n_m_s = velocity_north; /**< GPS ground speed in m/s */ + _gps_position->vel_e_m_s = velocity_east; /**< GPS ground speed in m/s */ + _gps_position->vel_d_m_s = -vertic_vel; /**< GPS ground speed in m/s */ + _gps_position->cog_rad = + track_rad; /**< Course over ground (NOT heading, but direction of movement) in rad, -PI..PI */ + _gps_position->vel_ned_valid = true; /**< Flag to indicate if NED speed is valid */ + _gps_position->c_variance_rad = 0.1; + _gps_position->timestamp_velocity = hrt_absolute_time(); + return 1; + + } else if ((memcmp(_rx_buffer + 3, "GST,", 3) == 0) && (uiCalcComma == 8)) { + /* + Position error statistics + An example of the GST message string is: + + $GPGST,172814.0,0.006,0.023,0.020,273.6,0.023,0.020,0.031*6A + + The Talker ID ($--) will vary depending on the satellite system used for the position solution: + + $GP - GPS only + $GL - GLONASS only + $GN - Combined + GST message fields + Field Meaning + 0 Message ID $GPGST + 1 UTC of position fix + 2 RMS value of the pseudorange residuals; includes carrier phase residuals during periods of RTK (float) and RTK (fixed) processing + 3 Error ellipse semi-major axis 1 sigma error, in meters + 4 Error ellipse semi-minor axis 1 sigma error, in meters + 5 Error ellipse orientation, degrees from true north + 6 Latitude 1 sigma error, in meters + 7 Longitude 1 sigma error, in meters + 8 Height 1 sigma error, in meters + 9 The checksum data, always begins with * + */ + double ashtech_time __attribute__((unused)) = 0.0, lat_err = 0.0, lon_err = 0.0, alt_err = 0.0; + double min_err __attribute__((unused)) = 0.0, maj_err __attribute__((unused)) = 0.0, deg_from_north __attribute__((unused)) = 0.0, rms_err __attribute__((unused)) = 0.0; + + if (bufptr && *(++bufptr) != ',') { ashtech_time = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { rms_err = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { maj_err = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { min_err = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { deg_from_north = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { lat_err = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { lon_err = strtod(bufptr, &endp); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { alt_err = strtod(bufptr, &endp); bufptr = endp; } + + _gps_position->eph = sqrt(lat_err * lat_err + lon_err * lon_err); + _gps_position->epv = alt_err; + + _gps_position->s_variance_m_s = 0; + _gps_position->timestamp_variance = hrt_absolute_time(); + + } else if ((memcmp(_rx_buffer + 3, "GSV,", 3) == 0)) { + /* + The GSV message string identifies the number of SVs in view, the PRN numbers, elevations, azimuths, and SNR values. An example of the GSV message string is: + + $GPGSV,4,1,13,02,02,213,,03,-3,000,,11,00,121,,14,13,172,05*67 + + GSV message fields + Field Meaning + 0 Message ID $GPGSV + 1 Total number of messages of this type in this cycle + 2 Message number + 3 Total number of SVs visible + 4 SV PRN number + 5 Elevation, in degrees, 90 maximum + 6 Azimuth, degrees from True North, 000 through 359 + 7 SNR, 00 through 99 dB (null when not tracking) + 8-11 Information about second SV, same format as fields 4 through 7 + 12-15 Information about third SV, same format as fields 4 through 7 + 16-19 Information about fourth SV, same format as fields 4 through 7 + 20 The checksum data, always begins with * + */ + /* + * currently process only gps, because do not know what + * Global satellite ID I should use for non GPS sats + */ + bool bGPS = false; + + if (memcmp(_rx_buffer, "$GP", 3) != 0) { + return 0; + + } else { + bGPS = true; + } + + int all_msg_num = 0, this_msg_num = 0, tot_sv_visible = 0; + struct gsv_sat { + int svid; + int elevation; + int azimuth; + int snr; + } sat[4]; + memset(sat, 0, sizeof(sat)); + + if (bufptr && *(++bufptr) != ',') { all_msg_num = strtol(bufptr, &endp, 10); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { this_msg_num = strtol(bufptr, &endp, 10); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { tot_sv_visible = strtol(bufptr, &endp, 10); bufptr = endp; } + + if ((this_msg_num < 1) || (this_msg_num > all_msg_num)) { + return 0; + } + + if ((this_msg_num == 0) && (bGPS == true)) { + memset(_satellite_info->svid, 0, sizeof(_satellite_info->svid)); + memset(_satellite_info->used, 0, sizeof(_satellite_info->used)); + memset(_satellite_info->snr, 0, sizeof(_satellite_info->snr)); + memset(_satellite_info->elevation, 0, sizeof(_satellite_info->elevation)); + memset(_satellite_info->azimuth, 0, sizeof(_satellite_info->azimuth)); + } + + int end = 4; + + if (this_msg_num == all_msg_num) { + end = tot_sv_visible - (this_msg_num - 1) * 4; + _gps_position->satellites_used = tot_sv_visible; + _satellite_info->count = SAT_INFO_MAX_SATELLITES; + _satellite_info->timestamp = hrt_absolute_time(); + } + + for (int y = 0 ; y < end ; y++) { + if (bufptr && *(++bufptr) != ',') { sat[y].svid = strtol(bufptr, &endp, 10); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { sat[y].elevation = strtol(bufptr, &endp, 10); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { sat[y].azimuth = strtol(bufptr, &endp, 10); bufptr = endp; } + + if (bufptr && *(++bufptr) != ',') { sat[y].snr = strtol(bufptr, &endp, 10); bufptr = endp; } + + _satellite_info->svid[y + (this_msg_num - 1) * 4] = sat[y].svid; + _satellite_info->used[y + (this_msg_num - 1) * 4] = ((sat[y].snr > 0) ? true : false); + _satellite_info->snr[y + (this_msg_num - 1) * 4] = sat[y].snr; + _satellite_info->elevation[y + (this_msg_num - 1) * 4] = sat[y].elevation; + _satellite_info->azimuth[y + (this_msg_num - 1) * 4] = sat[y].azimuth; + } + } + + return 0; +} + + +int ASHTECH::receive(unsigned timeout) +{ + { + /* poll descriptor */ + pollfd fds[1]; + fds[0].fd = _fd; + fds[0].events = POLLIN; + + uint8_t buf[32]; + + /* timeout additional to poll */ + uint64_t time_started = hrt_absolute_time(); + + int j = 0; + ssize_t bytes_count = 0; + + while (true) { + + /* pass received bytes to the packet decoder */ + while (j < bytes_count) { + int l = 0; + + if ((l = parse_char(buf[j])) > 0) { + /* return to configure during configuration or to the gps driver during normal work + * if a packet has arrived */ + if (handle_message(l) > 0) { + return 1; + } + } + + /* in case we keep trying but only get crap from GPS */ + if (time_started + timeout * 1000 * 2 < hrt_absolute_time()) { + return -1; + } + + j++; + } + + /* everything is read */ + j = bytes_count = 0; + + /* then poll for new data */ + int ret = ::poll(fds, sizeof(fds) / sizeof(fds[0]), timeout * 2); + + if (ret < 0) { + /* something went wrong when polling */ + return -1; + + } else if (ret == 0) { + /* Timeout */ + return -1; + + } else if (ret > 0) { + /* if we have new data from GPS, go handle it */ + if (fds[0].revents & POLLIN) { + /* + * We are here because poll says there is some data, so this + * won't block even on a blocking device. If more bytes are + * available, we'll go back to poll() again... + */ + bytes_count = ::read(_fd, buf, sizeof(buf)); + } + } + } + } + +} +#define HEXDIGIT_CHAR(d) ((char)((d) + (((d) < 0xA) ? '0' : 'A'-0xA))) + +int ASHTECH::parse_char(uint8_t b) +{ + int iRet = 0; + + switch (_decode_state) { + /* First, look for sync1 */ + case NME_DECODE_UNINIT: + if (b == '$') { + _decode_state = NME_DECODE_GOT_SYNC1; + _rx_buffer_bytes = 0; + _rx_buffer[_rx_buffer_bytes++] = b; + } + + break; + + case NME_DECODE_GOT_SYNC1: + if (b == '$') { + _decode_state = NME_DECODE_GOT_SYNC1; + _rx_buffer_bytes = 0; + + } else if (b == '*') { + _decode_state = NME_DECODE_GOT_ASTERIKS; + } + + if (_rx_buffer_bytes >= (sizeof(_rx_buffer) - 5)) { + _decode_state = NME_DECODE_UNINIT; + _rx_buffer_bytes = 0; + + } else { + _rx_buffer[_rx_buffer_bytes++] = b; + } + + break; + + case NME_DECODE_GOT_ASTERIKS: + _rx_buffer[_rx_buffer_bytes++] = b; + _decode_state = NME_DECODE_GOT_FIRST_CS_BYTE; + break; + + case NME_DECODE_GOT_FIRST_CS_BYTE: + _rx_buffer[_rx_buffer_bytes++] = b; + uint8_t checksum = 0; + uint8_t *buffer = _rx_buffer + 1; + uint8_t *bufend = _rx_buffer + _rx_buffer_bytes - 3; + + for (; buffer < bufend; buffer++) { checksum ^= *buffer; } + + if ((HEXDIGIT_CHAR(checksum >> 4) == *(_rx_buffer + _rx_buffer_bytes - 2)) && + (HEXDIGIT_CHAR(checksum & 0x0F) == *(_rx_buffer + _rx_buffer_bytes - 1))) { + iRet = _rx_buffer_bytes; + } + + _decode_state = NME_DECODE_UNINIT; + _rx_buffer_bytes = 0; + break; + } + + return iRet; +} + +void ASHTECH::decode_init(void) +{ + +} + +/* + * ashtech board configuration script + */ + +const char comm[] = "$PASHS,POP,20\r\n"\ + "$PASHS,NME,ZDA,B,ON,3\r\n"\ + "$PASHS,NME,GGA,B,OFF\r\n"\ + "$PASHS,NME,GST,B,ON,3\r\n"\ + "$PASHS,NME,POS,B,ON,0.05\r\n"\ + "$PASHS,NME,GSV,B,ON,3\r\n"\ + "$PASHS,SPD,A,8\r\n"\ + "$PASHS,SPD,B,9\r\n"; + +int ASHTECH::configure(unsigned &baudrate) +{ + /* try different baudrates */ + const unsigned baudrates_to_try[] = {9600, 38400, 19200, 57600, 115200}; + + + for (unsigned int baud_i = 0; baud_i < sizeof(baudrates_to_try) / sizeof(baudrates_to_try[0]); baud_i++) { + baudrate = baudrates_to_try[baud_i]; + set_baudrate(_fd, baudrate); + write(_fd, (uint8_t *)comm, sizeof(comm)); + } + + set_baudrate(_fd, 115200); + return 0; +} diff --git a/src/drivers/gps/ashtech.h b/src/drivers/gps/ashtech.h new file mode 100644 index 000000000..6ba522b9c --- /dev/null +++ b/src/drivers/gps/ashtech.h @@ -0,0 +1,96 @@ +/**************************************************************************** + * + * Copyright (C) 2013. All rights reserved. + * Author: Boriskin Aleksey <a.d.boriskin@gmail.com> + * Kistanov Alexander <akistanov@gramant.ru> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/* @file ASHTECH protocol definitions */ + +#ifndef ASHTECH_H_ +#define ASHTECH_H_ + +#include "gps_helper.h" + +#ifndef RECV_BUFFER_SIZE +#define RECV_BUFFER_SIZE 512 + +#define SAT_INFO_MAX_SATELLITES 20 +#endif + + +class ASHTECH : public GPS_Helper +{ + enum ashtech_decode_state_t { + NME_DECODE_UNINIT, + NME_DECODE_GOT_SYNC1, + NME_DECODE_GOT_ASTERIKS, + NME_DECODE_GOT_FIRST_CS_BYTE + }; + + int _fd; + struct satellite_info_s *_satellite_info; + struct vehicle_gps_position_s *_gps_position; + int ashtechlog_fd; + + ashtech_decode_state_t _decode_state; + uint8_t _rx_buffer[RECV_BUFFER_SIZE]; + uint16_t _rx_buffer_bytes; + bool _parse_error; /** parse error flag */ + char *_parse_pos; /** parse position */ + + bool _gsv_in_progress; /**< Indicates that gsv data parsing is in progress */ + /* int _satellites_count; **< Number of satellites info parsed. */ + uint8_t count; /**< Number of satellites in satellite info */ + uint8_t svid[SAT_INFO_MAX_SATELLITES]; /**< Space vehicle ID [1..255], see scheme below */ + uint8_t used[SAT_INFO_MAX_SATELLITES]; /**< 0: Satellite not used, 1: used for navigation */ + uint8_t elevation[SAT_INFO_MAX_SATELLITES]; /**< Elevation (0: right on top of receiver, 90: on the horizon) of satellite */ + uint8_t azimuth[SAT_INFO_MAX_SATELLITES]; /**< Direction of satellite, 0: 0 deg, 255: 360 deg. */ + uint8_t snr[SAT_INFO_MAX_SATELLITES]; /**< dBHz, Signal to noise ratio of satellite C/N0, range 0..99, zero when not tracking this satellite. */ + +public: + ASHTECH(const int &fd, struct vehicle_gps_position_s *gps_position, struct satellite_info_s *satellite_info); + ~ASHTECH(); + int receive(unsigned timeout); + int configure(unsigned &baudrate); + void decode_init(void); + int handle_message(int len); + int parse_char(uint8_t b); + /** Read int ASHTECH parameter */ + int32_t read_int(); + /** Read float ASHTECH parameter */ + double read_float(); + /** Read char ASHTECH parameter */ + char read_char(); + +}; + +#endif /* ASHTECH_H_ */ diff --git a/src/drivers/gps/gps.cpp b/src/drivers/gps/gps.cpp index 34dd63086..5fb4b9ff8 100644 --- a/src/drivers/gps/gps.cpp +++ b/src/drivers/gps/gps.cpp @@ -69,6 +69,7 @@ #include "ubx.h" #include "mtk.h" +#include "ashtech.h" #define TIMEOUT_5HZ 500 @@ -341,6 +342,10 @@ GPS::task_main() _Helper = new MTK(_serial_fd, &_report_gps_pos); break; + case GPS_DRIVER_MODE_ASHTECH: + _Helper = new ASHTECH(_serial_fd, &_report_gps_pos, _p_report_sat_info); + break; + default: break; } @@ -402,6 +407,10 @@ GPS::task_main() mode_str = "MTK"; break; + case GPS_DRIVER_MODE_ASHTECH: + mode_str = "ASHTECH"; + break; + default: break; } @@ -429,6 +438,10 @@ GPS::task_main() break; case GPS_DRIVER_MODE_MTK: + _mode = GPS_DRIVER_MODE_ASHTECH; + break; + + case GPS_DRIVER_MODE_ASHTECH: _mode = GPS_DRIVER_MODE_UBX; break; @@ -475,6 +488,10 @@ GPS::print_info() warnx("protocol: MTK"); break; + case GPS_DRIVER_MODE_ASHTECH: + warnx("protocol: ASHTECH"); + break; + default: break; } diff --git a/src/drivers/gps/module.mk b/src/drivers/gps/module.mk index b00818424..4f99b0d3b 100644 --- a/src/drivers/gps/module.mk +++ b/src/drivers/gps/module.mk @@ -40,6 +40,7 @@ MODULE_COMMAND = gps SRCS = gps.cpp \ gps_helper.cpp \ mtk.cpp \ + ashtech.cpp \ ubx.cpp MODULE_STACKSIZE = 1200 diff --git a/src/drivers/gps/ubx.cpp b/src/drivers/gps/ubx.cpp index d0854f5e9..b0eb4ab66 100644 --- a/src/drivers/gps/ubx.cpp +++ b/src/drivers/gps/ubx.cpp @@ -189,6 +189,18 @@ UBX::configure(unsigned &baudrate) return 1; } +#ifdef UBX_CONFIGURE_SBAS + /* send a SBAS message to set the SBAS options */ + memset(&_buf.payload_tx_cfg_sbas, 0, sizeof(_buf.payload_tx_cfg_sbas)); + _buf.payload_tx_cfg_sbas.mode = UBX_TX_CFG_SBAS_MODE; + + send_message(UBX_MSG_CFG_SBAS, _buf.raw, sizeof(_buf.payload_tx_cfg_sbas)); + + if (wait_for_ack(UBX_MSG_CFG_SBAS, UBX_CONFIG_TIMEOUT, true) < 0) { + return 1; + } +#endif + /* configure message rates */ /* the last argument is divisor for measurement rate (set by CFG RATE), i.e. 1 means 5Hz */ diff --git a/src/drivers/gps/ubx.h b/src/drivers/gps/ubx.h index 219a5762a..c74eb9168 100644 --- a/src/drivers/gps/ubx.h +++ b/src/drivers/gps/ubx.h @@ -73,6 +73,7 @@ #define UBX_ID_CFG_MSG 0x01 #define UBX_ID_CFG_RATE 0x08 #define UBX_ID_CFG_NAV5 0x24 +#define UBX_ID_CFG_SBAS 0x16 #define UBX_ID_MON_VER 0x04 #define UBX_ID_MON_HW 0x09 @@ -89,6 +90,7 @@ #define UBX_MSG_CFG_MSG ((UBX_CLASS_CFG) | UBX_ID_CFG_MSG << 8) #define UBX_MSG_CFG_RATE ((UBX_CLASS_CFG) | UBX_ID_CFG_RATE << 8) #define UBX_MSG_CFG_NAV5 ((UBX_CLASS_CFG) | UBX_ID_CFG_NAV5 << 8) +#define UBX_MSG_CFG_SBAS ((UBX_CLASS_CFG) | UBX_ID_CFG_SBAS << 8) #define UBX_MSG_MON_HW ((UBX_CLASS_MON) | UBX_ID_MON_HW << 8) #define UBX_MSG_MON_VER ((UBX_CLASS_MON) | UBX_ID_MON_VER << 8) @@ -128,6 +130,11 @@ #define UBX_TX_CFG_NAV5_DYNMODEL 7 /**< 0 Portable, 2 Stationary, 3 Pedestrian, 4 Automotive, 5 Sea, 6 Airborne <1g, 7 Airborne <2g, 8 Airborne <4g */ #define UBX_TX_CFG_NAV5_FIXMODE 2 /**< 1 2D only, 2 3D only, 3 Auto 2D/3D */ +/* TX CFG-SBAS message contents */ +#define UBX_TX_CFG_SBAS_MODE_ENABLED 1 /**< SBAS enabled */ +#define UBX_TX_CFG_SBAS_MODE_DISABLED 0 /**< SBAS disabled */ +#define UBX_TX_CFG_SBAS_MODE UBX_TX_CFG_SBAS_MODE_DISABLED /**< SBAS enabled or disabled */ + /* TX CFG-MSG message contents */ #define UBX_TX_CFG_MSG_RATE1_5HZ 0x01 /**< {0x00, 0x01, 0x00, 0x00, 0x00, 0x00} the second entry is for UART1 */ #define UBX_TX_CFG_MSG_RATE1_1HZ 0x05 /**< {0x00, 0x05, 0x00, 0x00, 0x00, 0x00} the second entry is for UART1 */ @@ -383,6 +390,15 @@ typedef struct { uint32_t reserved4; } ubx_payload_tx_cfg_nav5_t; +/* tx cfg-sbas */ +typedef struct { + uint8_t mode; + uint8_t usage; + uint8_t maxSBAS; + uint8_t scanmode2; + uint32_t scanmode1; +} ubx_payload_tx_cfg_sbas_t; + /* Tx CFG-MSG */ typedef struct { union { @@ -413,6 +429,7 @@ typedef union { ubx_payload_tx_cfg_prt_t payload_tx_cfg_prt; ubx_payload_tx_cfg_rate_t payload_tx_cfg_rate; ubx_payload_tx_cfg_nav5_t payload_tx_cfg_nav5; + ubx_payload_tx_cfg_sbas_t payload_tx_cfg_sbas; ubx_payload_tx_cfg_msg_t payload_tx_cfg_msg; uint8_t raw[]; } ubx_buf_t; diff --git a/src/drivers/hil/hil.cpp b/src/drivers/hil/hil.cpp index f17e99e9d..f0dc0c651 100644 --- a/src/drivers/hil/hil.cpp +++ b/src/drivers/hil/hil.cpp @@ -392,7 +392,8 @@ HIL::task_main() if (fds[0].revents & POLLIN) { /* get controls - must always do this to avoid spinning */ - orb_copy(ORB_ID_VEHICLE_ATTITUDE_CONTROLS, _t_actuators, &_controls); + orb_copy(_primary_pwm_device ? ORB_ID_VEHICLE_ATTITUDE_CONTROLS : + ORB_ID(actuator_controls_1), _t_actuators, &_controls); /* can we mix? */ if (_mixers != nullptr) { diff --git a/src/drivers/hmc5883/hmc5883.cpp b/src/drivers/hmc5883/hmc5883.cpp index 0e9a961ac..81f767965 100644 --- a/src/drivers/hmc5883/hmc5883.cpp +++ b/src/drivers/hmc5883/hmc5883.cpp @@ -1049,11 +1049,9 @@ int HMC5883::calibrate(struct file *filp, unsigned enable) * LSM/Ga, giving 1.16 and 1.08 */ float expected_cal[3] = { 1.16f, 1.08f, 1.08f }; - warnx("starting mag scale calibration"); - /* start the sensor polling at 50 Hz */ if (OK != ioctl(filp, SENSORIOCSPOLLRATE, 50)) { - warn("failed to set 2Hz poll rate"); + warn("FAILED: SENSORIOCSPOLLRATE 2Hz"); ret = 1; goto out; } @@ -1061,25 +1059,25 @@ int HMC5883::calibrate(struct file *filp, unsigned enable) /* Set to 2.5 Gauss. We ask for 3 to get the right part of * the chained if statement above. */ if (OK != ioctl(filp, MAGIOCSRANGE, 3)) { - warnx("failed to set 2.5 Ga range"); + warnx("FAILED: MAGIOCSRANGE 3.3 Ga"); ret = 1; goto out; } if (OK != ioctl(filp, MAGIOCEXSTRAP, 1)) { - warnx("failed to enable sensor calibration mode"); + warnx("FAILED: MAGIOCEXSTRAP 1"); ret = 1; goto out; } if (OK != ioctl(filp, MAGIOCGSCALE, (long unsigned int)&mscale_previous)) { - warn("WARNING: failed to get scale / offsets for mag"); + warn("FAILED: MAGIOCGSCALE 1"); ret = 1; goto out; } if (OK != ioctl(filp, MAGIOCSSCALE, (long unsigned int)&mscale_null)) { - warn("WARNING: failed to set null scale / offsets for mag"); + warn("FAILED: MAGIOCSSCALE 1"); ret = 1; goto out; } @@ -1094,7 +1092,7 @@ int HMC5883::calibrate(struct file *filp, unsigned enable) ret = ::poll(&fds, 1, 2000); if (ret != 1) { - warn("timed out waiting for sensor data"); + warn("ERROR: TIMEOUT 1"); goto out; } @@ -1102,7 +1100,7 @@ int HMC5883::calibrate(struct file *filp, unsigned enable) sz = ::read(fd, &report, sizeof(report)); if (sz != sizeof(report)) { - warn("periodic read failed"); + warn("ERROR: READ 1"); ret = -EIO; goto out; } @@ -1118,7 +1116,7 @@ int HMC5883::calibrate(struct file *filp, unsigned enable) ret = ::poll(&fds, 1, 2000); if (ret != 1) { - warn("timed out waiting for sensor data"); + warn("ERROR: TIMEOUT 2"); goto out; } @@ -1126,7 +1124,7 @@ int HMC5883::calibrate(struct file *filp, unsigned enable) sz = ::read(fd, &report, sizeof(report)); if (sz != sizeof(report)) { - warn("periodic read failed"); + warn("ERROR: READ 2"); ret = -EIO; goto out; } @@ -1142,33 +1140,19 @@ int HMC5883::calibrate(struct file *filp, unsigned enable) sum_excited[1] += cal[1]; sum_excited[2] += cal[2]; } - - //warnx("periodic read %u", i); - //warnx("measurement: %.6f %.6f %.6f", (double)report.x, (double)report.y, (double)report.z); - //warnx("cal: %.6f %.6f %.6f", (double)cal[0], (double)cal[1], (double)cal[2]); } if (good_count < 5) { - warn("failed calibration"); ret = -EIO; goto out; } -#if 0 - warnx("measurement avg: %.6f %.6f %.6f", - (double)sum_excited[0]/good_count, - (double)sum_excited[1]/good_count, - (double)sum_excited[2]/good_count); -#endif - float scaling[3]; scaling[0] = sum_excited[0] / good_count; scaling[1] = sum_excited[1] / good_count; scaling[2] = sum_excited[2] / good_count; - warnx("axes scaling: %.6f %.6f %.6f", (double)scaling[0], (double)scaling[1], (double)scaling[2]); - /* set scaling in device */ mscale_previous.x_scale = scaling[0]; mscale_previous.y_scale = scaling[1]; @@ -1179,29 +1163,26 @@ int HMC5883::calibrate(struct file *filp, unsigned enable) out: if (OK != ioctl(filp, MAGIOCSSCALE, (long unsigned int)&mscale_previous)) { - warn("failed to set new scale / offsets for mag"); + warn("FAILED: MAGIOCSSCALE 2"); } /* set back to normal mode */ /* Set to 1.1 Gauss */ if (OK != ::ioctl(fd, MAGIOCSRANGE, 1)) { - warnx("failed to set 1.1 Ga range"); + warnx("FAILED: MAGIOCSRANGE 1.1 Ga"); } if (OK != ::ioctl(fd, MAGIOCEXSTRAP, 0)) { - warnx("failed to disable sensor calibration mode"); + warnx("FAILED: MAGIOCEXSTRAP 0"); } if (ret == OK) { - if (!check_scale()) { - warnx("mag scale calibration successfully finished."); - } else { - warnx("mag scale calibration finished with invalid results."); + if (check_scale()) { + /* failed */ + warnx("FAILED: SCALE"); ret = ERROR; } - } else { - warnx("mag scale calibration failed."); } return ret; @@ -1283,14 +1264,13 @@ int HMC5883::set_excitement(unsigned enable) if (OK != ret) perf_count(_comms_errors); + _conf_reg &= ~0x03; // reset previous excitement mode if (((int)enable) < 0) { _conf_reg |= 0x01; } else if (enable > 0) { _conf_reg |= 0x02; - } else { - _conf_reg &= ~0x03; } // ::printf("set_excitement enable=%d regA=0x%x\n", (int)enable, (unsigned)_conf_reg); diff --git a/src/drivers/hott/messages.cpp b/src/drivers/hott/messages.cpp index 086132573..f1b12b067 100644 --- a/src/drivers/hott/messages.cpp +++ b/src/drivers/hott/messages.cpp @@ -115,9 +115,9 @@ publish_gam_message(const uint8_t *buffer) esc.esc[0].esc_vendor = ESC_VENDOR_GRAUPNER_HOTT; esc.esc[0].esc_rpm = (uint16_t)((msg.rpm_H << 8) | (msg.rpm_L & 0xff)) * 10; - esc.esc[0].esc_temperature = msg.temperature1 - 20; - esc.esc[0].esc_voltage = (uint16_t)((msg.main_voltage_H << 8) | (msg.main_voltage_L & 0xff)); - esc.esc[0].esc_current = (uint16_t)((msg.current_H << 8) | (msg.current_L & 0xff)); + esc.esc[0].esc_temperature = static_cast<float>(msg.temperature1) - 20.0F; + esc.esc[0].esc_voltage = static_cast<float>((msg.main_voltage_H << 8) | (msg.main_voltage_L & 0xff)) * 0.1F; + esc.esc[0].esc_current = static_cast<float>((msg.current_H << 8) | (msg.current_L & 0xff)) * 0.1F; /* announce the esc if needed, just publish else */ if (_esc_pub > 0) { @@ -186,18 +186,18 @@ build_gam_response(uint8_t *buffer, size_t *size) msg.gam_sensor_id = GAM_SENSOR_ID; msg.sensor_text_id = GAM_SENSOR_TEXT_ID; - msg.temperature1 = (uint8_t)(esc.esc[0].esc_temperature + 20); + msg.temperature1 = (uint8_t)(esc.esc[0].esc_temperature + 20.0F); msg.temperature2 = 20; // 0 deg. C. - uint16_t voltage = (uint16_t)(esc.esc[0].esc_voltage); + const uint16_t voltage = (uint16_t)(esc.esc[0].esc_voltage * 10.0F); msg.main_voltage_L = (uint8_t)voltage & 0xff; msg.main_voltage_H = (uint8_t)(voltage >> 8) & 0xff; - uint16_t current = (uint16_t)(esc.esc[0].esc_current); + const uint16_t current = (uint16_t)(esc.esc[0].esc_current * 10.0F); msg.current_L = (uint8_t)current & 0xff; msg.current_H = (uint8_t)(current >> 8) & 0xff; - uint16_t rpm = (uint16_t)(esc.esc[0].esc_rpm * 0.1f); + const uint16_t rpm = (uint16_t)(esc.esc[0].esc_rpm * 0.1f); msg.rpm_L = (uint8_t)rpm & 0xff; msg.rpm_H = (uint8_t)(rpm >> 8) & 0xff; diff --git a/src/drivers/l3gd20/l3gd20.cpp b/src/drivers/l3gd20/l3gd20.cpp index cfae8761c..82fa5cc6e 100644 --- a/src/drivers/l3gd20/l3gd20.cpp +++ b/src/drivers/l3gd20/l3gd20.cpp @@ -176,6 +176,7 @@ static const int ERROR = -1; #define L3G4200D_DEFAULT_RATE 800 #define L3GD20_DEFAULT_RANGE_DPS 2000 #define L3GD20_DEFAULT_FILTER_FREQ 30 +#define L3GD20_TEMP_OFFSET_CELSIUS 40 #ifndef SENSOR_BOARD_ROTATION_DEFAULT #define SENSOR_BOARD_ROTATION_DEFAULT SENSOR_BOARD_ROTATION_270_DEG @@ -856,7 +857,7 @@ L3GD20::measure() #pragma pack(push, 1) struct { uint8_t cmd; - uint8_t temp; + int8_t temp; uint8_t status; int16_t x; int16_t y; @@ -930,6 +931,8 @@ L3GD20::measure() report.z_raw = raw_report.z; + report.temperature_raw = raw_report.temp; + report.x = ((report.x_raw * _gyro_range_scale) - _gyro_scale.x_offset) * _gyro_scale.x_scale; report.y = ((report.y_raw * _gyro_range_scale) - _gyro_scale.y_offset) * _gyro_scale.y_scale; report.z = ((report.z_raw * _gyro_range_scale) - _gyro_scale.z_offset) * _gyro_scale.z_scale; @@ -938,6 +941,8 @@ L3GD20::measure() report.y = _gyro_filter_y.apply(report.y); report.z = _gyro_filter_z.apply(report.z); + report.temperature = L3GD20_TEMP_OFFSET_CELSIUS - raw_report.temp; + // apply user specified rotation rotate_3f(_rotation, report.x, report.y, report.z); @@ -1091,9 +1096,11 @@ test() warnx("gyro x: \t% 9.5f\trad/s", (double)g_report.x); warnx("gyro y: \t% 9.5f\trad/s", (double)g_report.y); warnx("gyro z: \t% 9.5f\trad/s", (double)g_report.z); + warnx("temp: \t%d\tC", (int)g_report.temperature); warnx("gyro x: \t%d\traw", (int)g_report.x_raw); warnx("gyro y: \t%d\traw", (int)g_report.y_raw); warnx("gyro z: \t%d\traw", (int)g_report.z_raw); + warnx("temp: \t%d\traw", (int)g_report.temperature_raw); warnx("gyro range: %8.4f rad/s (%d deg/s)", (double)g_report.range_rad_s, (int)((g_report.range_rad_s / M_PI_F) * 180.0f + 0.5f)); diff --git a/src/drivers/ll40ls/ll40ls.cpp b/src/drivers/ll40ls/ll40ls.cpp index a69e6ee55..6793acd81 100644 --- a/src/drivers/ll40ls/ll40ls.cpp +++ b/src/drivers/ll40ls/ll40ls.cpp @@ -73,14 +73,19 @@ /* Configuration Constants */ #define LL40LS_BUS PX4_I2C_BUS_EXPANSION -#define LL40LS_BASEADDR 0x42 /* 7-bit address */ -#define LL40LS_DEVICE_PATH "/dev/ll40ls" +#define LL40LS_BASEADDR 0x62 /* 7-bit address */ +#define LL40LS_BASEADDR_OLD 0x42 /* previous 7-bit address */ +#define LL40LS_DEVICE_PATH_INT "/dev/ll40ls_int" +#define LL40LS_DEVICE_PATH_EXT "/dev/ll40ls_ext" /* LL40LS Registers addresses */ #define LL40LS_MEASURE_REG 0x00 /* Measure range register */ -#define LL40LS_MSRREG_ACQUIRE 0x04 /* Value to initiate a measurement, varies based on sensor revision */ +#define LL40LS_MSRREG_ACQUIRE 0x04 /* Value to initiate a measurement, varies based on sensor revision */ #define LL40LS_DISTHIGH_REG 0x8F /* High byte of distance register, auto increment */ +#define LL40LS_WHO_AM_I_REG 0x11 +#define LL40LS_WHO_AM_I_REG_VAL 0xCA +#define LL40LS_SIGNAL_STRENGTH_REG 0x5b /* Device limits */ #define LL40LS_MIN_DISTANCE (0.00f) @@ -101,7 +106,7 @@ static const int ERROR = -1; class LL40LS : public device::I2C { public: - LL40LS(int bus = LL40LS_BUS, int address = LL40LS_BASEADDR); + LL40LS(int bus, const char *path, int address = LL40LS_BASEADDR); virtual ~LL40LS(); virtual int init(); @@ -116,6 +121,7 @@ public: protected: virtual int probe(); + virtual int read_reg(uint8_t reg, uint8_t &val); private: float _min_distance; @@ -132,6 +138,10 @@ private: perf_counter_t _sample_perf; perf_counter_t _comms_errors; perf_counter_t _buffer_overflows; + uint16_t _last_distance; + + /**< the bus the device is connected to */ + int _bus; /** * Test whether the device supported by the driver is present at a @@ -188,8 +198,8 @@ private: */ extern "C" __EXPORT int ll40ls_main(int argc, char *argv[]); -LL40LS::LL40LS(int bus, int address) : - I2C("LL40LS", LL40LS_DEVICE_PATH, bus, address, 100000), +LL40LS::LL40LS(int bus, const char *path, int address) : + I2C("LL40LS", path, bus, address, 100000), _min_distance(LL40LS_MIN_DISTANCE), _max_distance(LL40LS_MAX_DISTANCE), _reports(nullptr), @@ -200,10 +210,12 @@ LL40LS::LL40LS(int bus, int address) : _range_finder_topic(-1), _sample_perf(perf_alloc(PC_ELAPSED, "ll40ls_read")), _comms_errors(perf_alloc(PC_COUNT, "ll40ls_comms_errors")), - _buffer_overflows(perf_alloc(PC_COUNT, "ll40ls_buffer_overflows")) + _buffer_overflows(perf_alloc(PC_COUNT, "ll40ls_buffer_overflows")), + _last_distance(0), + _bus(bus) { // up the retries since the device misses the first measure attempts - I2C::_retries = 3; + _retries = 3; // enable debug() calls _debug_enabled = false; @@ -271,8 +283,50 @@ out: } int +LL40LS::read_reg(uint8_t reg, uint8_t &val) +{ + return transfer(®, 1, &val, 1); +} + +int LL40LS::probe() { + // cope with both old and new I2C bus address + const uint8_t addresses[2] = {LL40LS_BASEADDR, LL40LS_BASEADDR_OLD}; + + // more retries for detection + _retries = 10; + + for (uint8_t i=0; i<sizeof(addresses); i++) { + uint8_t val=0, who_am_i=0; + + // set the I2C bus address + set_address(addresses[i]); + + if (read_reg(LL40LS_WHO_AM_I_REG, who_am_i) == OK && who_am_i == LL40LS_WHO_AM_I_REG_VAL) { + // it is responding correctly to a WHO_AM_I + goto ok; + } + + if (read_reg(LL40LS_SIGNAL_STRENGTH_REG, val) == OK && val != 0) { + // very likely to be a ll40ls. px4flow does not + // respond to this + goto ok; + } + + debug("WHO_AM_I byte mismatch 0x%02x should be 0x%02x val=0x%02x\n", + (unsigned)who_am_i, + LL40LS_WHO_AM_I_REG_VAL, + (unsigned)val); + } + + // not found on any address + return -EIO; + +ok: + _retries = 3; + + // start a measurement return measure(); } @@ -521,6 +575,8 @@ LL40LS::collect() float si_units = distance * 0.01f; /* cm to m */ struct range_finder_report report; + _last_distance = distance; + /* this should be fairly close to the end of the measurement, so the best approximation of the time */ report.timestamp = hrt_absolute_time(); report.error_count = perf_event_count(_comms_errors); @@ -648,6 +704,8 @@ LL40LS::print_info() perf_print_counter(_buffer_overflows); printf("poll interval: %u ticks\n", _measure_ticks); _reports->print_info("report queue"); + printf("distance: %ucm (0x%04x)\n", + (unsigned)_last_distance, (unsigned)_last_distance); } /** @@ -662,55 +720,89 @@ namespace ll40ls #endif const int ERROR = -1; -LL40LS *g_dev; +LL40LS *g_dev_int; +LL40LS *g_dev_ext; -void start(); -void stop(); -void test(); -void reset(); -void info(); +void start(int bus); +void stop(int bus); +void test(int bus); +void reset(int bus); +void info(int bus); +void usage(); /** * Start the driver. */ void -start() +start(int bus) { - int fd; - - if (g_dev != nullptr) { - errx(1, "already started"); + /* create the driver, attempt expansion bus first */ + if (bus == -1 || bus == PX4_I2C_BUS_EXPANSION) { + if (g_dev_ext != nullptr) + errx(0, "already started external"); + g_dev_ext = new LL40LS(PX4_I2C_BUS_EXPANSION, LL40LS_DEVICE_PATH_EXT); + if (g_dev_ext != nullptr && OK != g_dev_ext->init()) { + delete g_dev_ext; + g_dev_ext = nullptr; + } } - /* create the driver */ - g_dev = new LL40LS(LL40LS_BUS); - - if (g_dev == nullptr) { - goto fail; - } +#ifdef PX4_I2C_BUS_ONBOARD + /* if this failed, attempt onboard sensor */ + if (bus == -1 || bus == PX4_I2C_BUS_ONBOARD) { + if (g_dev_int != nullptr) + errx(0, "already started internal"); + g_dev_int = new LL40LS(PX4_I2C_BUS_ONBOARD, LL40LS_DEVICE_PATH_INT); + if (g_dev_int != nullptr && OK != g_dev_int->init()) { + /* tear down the failing onboard instance */ + delete g_dev_int; + g_dev_int = nullptr; - if (OK != g_dev->init()) { - goto fail; + if (bus == PX4_I2C_BUS_ONBOARD) { + goto fail; + } + } + if (g_dev_int == nullptr && bus == PX4_I2C_BUS_ONBOARD) { + goto fail; + } } +#endif /* set the poll rate to default, starts automatic data collection */ - fd = open(LL40LS_DEVICE_PATH, O_RDONLY); - - if (fd < 0) { - goto fail; - } - - if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT) < 0) { - goto fail; - } + if (g_dev_int != nullptr) { + int fd = open(LL40LS_DEVICE_PATH_INT, O_RDONLY); + if (fd == -1) { + goto fail; + } + int ret = ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT); + close(fd); + if (ret < 0) { + goto fail; + } + } + + if (g_dev_ext != nullptr) { + int fd = open(LL40LS_DEVICE_PATH_EXT, O_RDONLY); + if (fd == -1) { + goto fail; + } + int ret = ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT); + close(fd); + if (ret < 0) { + goto fail; + } + } exit(0); fail: - - if (g_dev != nullptr) { - delete g_dev; - g_dev = nullptr; + if (g_dev_int != nullptr && (bus == -1 || bus == PX4_I2C_BUS_ONBOARD)) { + delete g_dev_int; + g_dev_int = nullptr; + } + if (g_dev_ext != nullptr && (bus == -1 || bus == PX4_I2C_BUS_EXPANSION)) { + delete g_dev_ext; + g_dev_ext = nullptr; } errx(1, "driver start failed"); @@ -719,11 +811,12 @@ fail: /** * Stop the driver */ -void stop() +void stop(int bus) { - if (g_dev != nullptr) { - delete g_dev; - g_dev = nullptr; + LL40LS **g_dev = (bus == PX4_I2C_BUS_ONBOARD?&g_dev_int:&g_dev_ext); + if (*g_dev != nullptr) { + delete *g_dev; + *g_dev = nullptr; } else { errx(1, "driver not running"); @@ -738,16 +831,17 @@ void stop() * and automatic modes. */ void -test() +test(int bus) { struct range_finder_report report; ssize_t sz; int ret; + const char *path = (bus==PX4_I2C_BUS_ONBOARD?LL40LS_DEVICE_PATH_INT:LL40LS_DEVICE_PATH_EXT); - int fd = open(LL40LS_DEVICE_PATH, O_RDONLY); + int fd = open(path, O_RDONLY); if (fd < 0) { - err(1, "%s open failed (try 'll40ls start' if the driver is not running", LL40LS_DEVICE_PATH); + err(1, "%s open failed (try 'll40ls start' if the driver is not running", path); } /* do a simple demand read */ @@ -803,9 +897,10 @@ test() * Reset the driver. */ void -reset() +reset(int bus) { - int fd = open(LL40LS_DEVICE_PATH, O_RDONLY); + const char *path = (bus==PX4_I2C_BUS_ONBOARD?LL40LS_DEVICE_PATH_INT:LL40LS_DEVICE_PATH_EXT); + int fd = open(path, O_RDONLY); if (fd < 0) { err(1, "failed "); @@ -826,8 +921,9 @@ reset() * Print a little info about the driver. */ void -info() +info(int bus) { + LL40LS *g_dev = (bus == PX4_I2C_BUS_ONBOARD?g_dev_int:g_dev_ext); if (g_dev == nullptr) { errx(1, "driver not running"); } @@ -838,44 +934,76 @@ info() exit(0); } +void +usage() +{ + warnx("missing command: try 'start', 'stop', 'info', 'test', 'reset', 'info'"); + warnx("options:"); + warnx(" -X only external bus"); +#ifdef PX4_I2C_BUS_ONBOARD + warnx(" -I only internal bus"); +#endif +} + } // namespace int ll40ls_main(int argc, char *argv[]) { + int ch; + int bus = -1; + + while ((ch = getopt(argc, argv, "XI")) != EOF) { + switch (ch) { +#ifdef PX4_I2C_BUS_ONBOARD + case 'I': + bus = PX4_I2C_BUS_ONBOARD; + break; +#endif + case 'X': + bus = PX4_I2C_BUS_EXPANSION; + break; + default: + ll40ls::usage(); + exit(0); + } + } + + const char *verb = argv[optind]; + /* * Start/load the driver. */ - if (!strcmp(argv[1], "start")) { - ll40ls::start(); + if (!strcmp(verb, "start")) { + ll40ls::start(bus); } /* * Stop the driver */ - if (!strcmp(argv[1], "stop")) { - ll40ls::stop(); + if (!strcmp(verb, "stop")) { + ll40ls::stop(bus); } /* * Test the driver/device. */ - if (!strcmp(argv[1], "test")) { - ll40ls::test(); + if (!strcmp(verb, "test")) { + ll40ls::test(bus); } /* * Reset the driver. */ - if (!strcmp(argv[1], "reset")) { - ll40ls::reset(); + if (!strcmp(verb, "reset")) { + ll40ls::reset(bus); } /* * Print driver information. */ - if (!strcmp(argv[1], "info") || !strcmp(argv[1], "status")) { - ll40ls::info(); + if (!strcmp(verb, "info") || !strcmp(verb, "status")) { + ll40ls::info(bus); } errx(1, "unrecognized command, try 'start', 'test', 'reset' or 'info'"); diff --git a/src/drivers/lsm303d/lsm303d.cpp b/src/drivers/lsm303d/lsm303d.cpp index 6880cf0f8..01c89192a 100644 --- a/src/drivers/lsm303d/lsm303d.cpp +++ b/src/drivers/lsm303d/lsm303d.cpp @@ -1519,8 +1519,10 @@ LSM303D::measure() { // if the accel doesn't have any data ready then re-schedule // for 100 microseconds later. This ensures we don't double - // read a value and then miss the next value - if (stm32_gpioread(GPIO_EXTI_ACCEL_DRDY) == 0) { + // read a value and then miss the next value. + // Note that DRDY is not available when the lsm303d is + // connected on the external bus + if (_bus == PX4_SPI_BUS_SENSORS && stm32_gpioread(GPIO_EXTI_ACCEL_DRDY) == 0) { perf_count(_accel_reschedules); hrt_call_delay(&_accel_call, 100); return; diff --git a/src/drivers/meas_airspeed/meas_airspeed.cpp b/src/drivers/meas_airspeed/meas_airspeed.cpp index 9cfa7f383..1d9a463ad 100644 --- a/src/drivers/meas_airspeed/meas_airspeed.cpp +++ b/src/drivers/meas_airspeed/meas_airspeed.cpp @@ -103,7 +103,7 @@ /* Measurement rate is 100Hz */ #define MEAS_RATE 100 -#define MEAS_DRIVER_FILTER_FREQ 1.5f +#define MEAS_DRIVER_FILTER_FREQ 1.2f #define CONVERSION_INTERVAL (1000000 / MEAS_RATE) /* microseconds */ class MEASAirspeed : public Airspeed @@ -228,44 +228,23 @@ MEASAirspeed::collect() // the raw value still should be compensated for the known offset diff_press_pa_raw -= _diff_pres_offset; - float diff_press_pa = fabsf(diff_press_pa_raw); - /* - note that we return both the absolute value with offset - applied and a raw value without the offset applied. This - makes it possible for higher level code to detect if the - user has the tubes connected backwards, and also makes it - possible to correctly use offsets calculated by a higher - level airspeed driver. - With the above calculation the MS4525 sensor will produce a positive number when the top port is used as a dynamic port and bottom port is used as the static port - - Also note that the _diff_pres_offset is applied before the - fabsf() not afterwards. It needs to be done this way to - prevent a bias at low speeds, but this also means that when - setting a offset you must set it based on the raw value, not - the offset value */ - + struct differential_pressure_s report; /* track maximum differential pressure measured (so we can work out top speed). */ - if (diff_press_pa > _max_differential_pressure_pa) { - _max_differential_pressure_pa = diff_press_pa; + if (diff_press_pa_raw > _max_differential_pressure_pa) { + _max_differential_pressure_pa = diff_press_pa_raw; } report.timestamp = hrt_absolute_time(); report.error_count = perf_event_count(_comms_errors); report.temperature = temperature; - report.differential_pressure_pa = diff_press_pa; - report.differential_pressure_filtered_pa = _filter.apply(diff_press_pa); - - /* the dynamics of the filter can make it overshoot into the negative range */ - if (report.differential_pressure_filtered_pa < 0.0f) { - report.differential_pressure_filtered_pa = _filter.reset(diff_press_pa); - } + report.differential_pressure_filtered_pa = _filter.apply(diff_press_pa_raw); report.differential_pressure_raw_pa = diff_press_pa_raw; report.max_differential_pressure_pa = _max_differential_pressure_pa; @@ -345,7 +324,7 @@ MEASAirspeed::cycle() /** correct for 5V rail voltage if the system_power ORB topic is available - + See http://uav.tridgell.net/MS4525/MS4525-offset.png for a graph of offset versus voltage for 3 sensors */ @@ -394,7 +373,7 @@ MEASAirspeed::voltage_correction(float &diff_press_pa, float &temperature) if (voltage_diff < -1.0f) { voltage_diff = -1.0f; } - temperature -= voltage_diff * temp_slope; + temperature -= voltage_diff * temp_slope; #endif // CONFIG_ARCH_BOARD_PX4FMU_V2 } @@ -523,7 +502,7 @@ test() } warnx("single read"); - warnx("diff pressure: %d pa", (int)report.differential_pressure_pa); + warnx("diff pressure: %d pa", (int)report.differential_pressure_filtered_pa); /* start the sensor polling at 2Hz */ if (OK != ioctl(fd, SENSORIOCSPOLLRATE, 2)) { @@ -551,7 +530,7 @@ test() } warnx("periodic read %u", i); - warnx("diff pressure: %d pa", (int)report.differential_pressure_pa); + warnx("diff pressure: %d pa", (int)report.differential_pressure_filtered_pa); warnx("temperature: %d C (0x%02x)", (int)report.temperature, (unsigned) report.temperature); } diff --git a/src/drivers/mkblctrl/mkblctrl.cpp b/src/drivers/mkblctrl/mkblctrl.cpp index 3996b76a6..1055487cb 100644 --- a/src/drivers/mkblctrl/mkblctrl.cpp +++ b/src/drivers/mkblctrl/mkblctrl.cpp @@ -600,8 +600,8 @@ MK::task_main() esc.esc[i].esc_address = (uint8_t) BLCTRL_BASE_ADDR + i; esc.esc[i].esc_vendor = ESC_VENDOR_MIKROKOPTER; esc.esc[i].esc_version = (uint16_t) Motor[i].Version; - esc.esc[i].esc_voltage = (uint16_t) 0; - esc.esc[i].esc_current = (uint16_t) Motor[i].Current; + esc.esc[i].esc_voltage = 0.0F; + esc.esc[i].esc_current = static_cast<float>(Motor[i].Current) * 0.1F; esc.esc[i].esc_rpm = (uint16_t) 0; esc.esc[i].esc_setpoint = (float) Motor[i].SetPoint_PX4; @@ -614,7 +614,7 @@ MK::task_main() esc.esc[i].esc_setpoint_raw = (uint16_t) Motor[i].SetPoint; } - esc.esc[i].esc_temperature = (uint16_t) Motor[i].Temperature; + esc.esc[i].esc_temperature = static_cast<float>(Motor[i].Temperature); esc.esc[i].esc_state = (uint16_t) Motor[i].State; esc.esc[i].esc_errorcount = (uint16_t) 0; diff --git a/src/drivers/mpu6000/mpu6000.cpp b/src/drivers/mpu6000/mpu6000.cpp index 6f5dae7ad..a95e041a1 100644 --- a/src/drivers/mpu6000/mpu6000.cpp +++ b/src/drivers/mpu6000/mpu6000.cpp @@ -229,6 +229,7 @@ private: perf_counter_t _gyro_reads; perf_counter_t _sample_perf; perf_counter_t _bad_transfers; + perf_counter_t _good_transfers; math::LowPassFilter2p _accel_filter_x; math::LowPassFilter2p _accel_filter_y; @@ -404,6 +405,7 @@ MPU6000::MPU6000(int bus, const char *path_accel, const char *path_gyro, spi_dev _gyro_reads(perf_alloc(PC_COUNT, "mpu6000_gyro_read")), _sample_perf(perf_alloc(PC_ELAPSED, "mpu6000_read")), _bad_transfers(perf_alloc(PC_COUNT, "mpu6000_bad_transfers")), + _good_transfers(perf_alloc(PC_COUNT, "mpu6000_good_transfers")), _accel_filter_x(MPU6000_ACCEL_DEFAULT_RATE, MPU6000_ACCEL_DEFAULT_DRIVER_FILTER_FREQ), _accel_filter_y(MPU6000_ACCEL_DEFAULT_RATE, MPU6000_ACCEL_DEFAULT_DRIVER_FILTER_FREQ), _accel_filter_z(MPU6000_ACCEL_DEFAULT_RATE, MPU6000_ACCEL_DEFAULT_DRIVER_FILTER_FREQ), @@ -456,6 +458,7 @@ MPU6000::~MPU6000() perf_free(_accel_reads); perf_free(_gyro_reads); perf_free(_bad_transfers); + perf_free(_good_transfers); } int @@ -910,12 +913,14 @@ MPU6000::ioctl(struct file *filp, int cmd, unsigned long arg) // adjust filters float cutoff_freq_hz = _accel_filter_x.get_cutoff_freq(); float sample_rate = 1.0e6f/ticks; + _set_dlpf_filter(cutoff_freq_hz); _accel_filter_x.set_cutoff_frequency(sample_rate, cutoff_freq_hz); _accel_filter_y.set_cutoff_frequency(sample_rate, cutoff_freq_hz); _accel_filter_z.set_cutoff_frequency(sample_rate, cutoff_freq_hz); float cutoff_freq_hz_gyro = _gyro_filter_x.get_cutoff_freq(); + _set_dlpf_filter(cutoff_freq_hz_gyro); _gyro_filter_x.set_cutoff_frequency(sample_rate, cutoff_freq_hz_gyro); _gyro_filter_y.set_cutoff_frequency(sample_rate, cutoff_freq_hz_gyro); _gyro_filter_z.set_cutoff_frequency(sample_rate, cutoff_freq_hz_gyro); @@ -968,11 +973,9 @@ MPU6000::ioctl(struct file *filp, int cmd, unsigned long arg) return _accel_filter_x.get_cutoff_freq(); case ACCELIOCSLOWPASS: - if (arg == 0) { - // allow disabling of on-chip filter using - // zero as desired filter frequency - _set_dlpf_filter(0); - } + // set hardware filtering + _set_dlpf_filter(arg); + // set software filtering _accel_filter_x.set_cutoff_frequency(1.0e6f / _call_interval, arg); _accel_filter_y.set_cutoff_frequency(1.0e6f / _call_interval, arg); _accel_filter_z.set_cutoff_frequency(1.0e6f / _call_interval, arg); @@ -1053,14 +1056,11 @@ MPU6000::gyro_ioctl(struct file *filp, int cmd, unsigned long arg) case GYROIOCGLOWPASS: return _gyro_filter_x.get_cutoff_freq(); case GYROIOCSLOWPASS: + // set hardware filtering + _set_dlpf_filter(arg); _gyro_filter_x.set_cutoff_frequency(1.0e6f / _call_interval, arg); _gyro_filter_y.set_cutoff_frequency(1.0e6f / _call_interval, arg); _gyro_filter_z.set_cutoff_frequency(1.0e6f / _call_interval, arg); - if (arg == 0) { - // allow disabling of on-chip filter using 0 - // as desired frequency - _set_dlpf_filter(0); - } return OK; case GYROIOCSSCALE: @@ -1282,8 +1282,14 @@ MPU6000::measure() // all zero data - probably a SPI bus error perf_count(_bad_transfers); perf_end(_sample_perf); + // note that we don't call reset() here as a reset() + // costs 20ms with interrupts disabled. That means if + // the mpu6k does go bad it would cause a FMU failure, + // regardless of whether another sensor is available, return; } + + perf_count(_good_transfers); /* @@ -1402,6 +1408,8 @@ MPU6000::print_info() perf_print_counter(_sample_perf); perf_print_counter(_accel_reads); perf_print_counter(_gyro_reads); + perf_print_counter(_bad_transfers); + perf_print_counter(_good_transfers); _accel_reports->print_info("accel queue"); _gyro_reports->print_info("gyro queue"); } diff --git a/src/drivers/ms5611/ms5611.cpp b/src/drivers/ms5611/ms5611.cpp index 873fa62c4..889643d0d 100644 --- a/src/drivers/ms5611/ms5611.cpp +++ b/src/drivers/ms5611/ms5611.cpp @@ -130,7 +130,7 @@ protected: float _T; /* altitude conversion calibration */ - unsigned _msl_pressure; /* in kPa */ + unsigned _msl_pressure; /* in Pa */ orb_advert_t _baro_topic; @@ -466,7 +466,7 @@ MS5611::ioctl(struct file *filp, int cmd, unsigned long arg) irqrestore(flags); return -ENOMEM; } - irqrestore(flags); + irqrestore(flags); return OK; } diff --git a/src/drivers/pca9685/arduino_Adafruit_PWM_Servo_Driver_Library_license.txt b/src/drivers/pca9685/arduino_Adafruit_PWM_Servo_Driver_Library_license.txt new file mode 100644 index 000000000..9c5eb42eb --- /dev/null +++ b/src/drivers/pca9685/arduino_Adafruit_PWM_Servo_Driver_Library_license.txt @@ -0,0 +1,29 @@ +The following license agreement covers re-used code from the arduino driver +for the Adafruit I2C to PWM converter. + +Software License Agreement (BSD License) + +Copyright (c) 2012, Adafruit Industries +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: +1. Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright +notice, this list of conditions and the following disclaimer in the +documentation and/or other materials provided with the distribution. +3. Neither the name of the copyright holders nor the +names of its contributors may be used to endorse or promote products +derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY +EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/src/drivers/pca9685/module.mk b/src/drivers/pca9685/module.mk new file mode 100644 index 000000000..7a5c7996e --- /dev/null +++ b/src/drivers/pca9685/module.mk @@ -0,0 +1,42 @@ +############################################################################ +# +# Copyright (c) 2012-2014 PX4 Development Team. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# 3. Neither the name PX4 nor the names of its contributors may be +# used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +############################################################################ + +# +# Driver for the PCA9685 I2C PWM controller +# The chip is used on the adafruit I2C PWM converter, +# which allows to control servos via I2C. +# https://www.adafruit.com/product/815 + +MODULE_COMMAND = pca9685 + +SRCS = pca9685.cpp diff --git a/src/drivers/pca9685/pca9685.cpp b/src/drivers/pca9685/pca9685.cpp new file mode 100644 index 000000000..6f69ce8a1 --- /dev/null +++ b/src/drivers/pca9685/pca9685.cpp @@ -0,0 +1,651 @@ +/**************************************************************************** + * + * Copyright (c) 2012-2014 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file pca9685.cpp + * + * Driver for the PCA9685 I2C PWM module + * The chip is used on the Adafruit I2C/PWM converter https://www.adafruit.com/product/815 + * + * Parts of the code are adapted from the arduino library for the board + * https://github.com/adafruit/Adafruit-PWM-Servo-Driver-Library + * for the license of these parts see the + * arduino_Adafruit_PWM_Servo_Driver_Library_license.txt file + * see https://github.com/adafruit/Adafruit-PWM-Servo-Driver-Library for contributors + * + * @author Thomas Gubler <thomasgubler@gmail.com> + */ + +#include <nuttx/config.h> + +#include <drivers/device/i2c.h> + +#include <sys/types.h> +#include <stdint.h> +#include <string.h> +#include <stdlib.h> +#include <stdbool.h> +#include <fcntl.h> +#include <unistd.h> +#include <stdio.h> +#include <ctype.h> +#include <math.h> + +#include <nuttx/wqueue.h> +#include <nuttx/clock.h> + +#include <systemlib/perf_counter.h> +#include <systemlib/err.h> +#include <systemlib/systemlib.h> + +#include <uORB/uORB.h> +#include <uORB/topics/actuator_controls.h> + +#include <board_config.h> +#include <drivers/drv_io_expander.h> + +#define PCA9685_SUBADR1 0x2 +#define PCA9685_SUBADR2 0x3 +#define PCA9685_SUBADR3 0x4 + +#define PCA9685_MODE1 0x0 +#define PCA9685_PRESCALE 0xFE + +#define LED0_ON_L 0x6 +#define LED0_ON_H 0x7 +#define LED0_OFF_L 0x8 +#define LED0_OFF_H 0x9 + +#define ALLLED_ON_L 0xFA +#define ALLLED_ON_H 0xFB +#define ALLLED_OFF_L 0xFC +#define ALLLED_OF + +#define ADDR 0x40 // I2C adress + +#define PCA9685_DEVICE_PATH "/dev/pca9685" +#define PCA9685_BUS PX4_I2C_BUS_EXPANSION +#define PCA9685_PWMFREQ 60.0f +#define PCA9685_NCHANS 16 // total amount of pwm outputs + +#define PCA9685_PWMMIN 150 // this is the 'minimum' pulse length count (out of 4096) +#define PCA9685_PWMMAX 600 // this is the 'maximum' pulse length count (out of 4096)_PWMFREQ 60.0f + +#define PCA9685_PWMCENTER ((PCA9685_PWMMAX + PCA9685_PWMMIN)/2) +#define PCA9685_MAXSERVODEG 90.0f /* maximal servo deflection in degrees + PCA9685_PWMMIN <--> -PCA9685_MAXSERVODEG + PCA9685_PWMMAX <--> PCA9685_MAXSERVODEG + */ +#define PCA9685_SCALE ((PCA9685_PWMMAX - PCA9685_PWMCENTER)/(M_DEG_TO_RAD_F * PCA9685_MAXSERVODEG)) // scales from rad to PWM + +/* oddly, ERROR is not defined for c++ */ +#ifdef ERROR +# undef ERROR +#endif +static const int ERROR = -1; + +class PCA9685 : public device::I2C +{ +public: + PCA9685(int bus=PCA9685_BUS, uint8_t address=ADDR); + virtual ~PCA9685(); + + + virtual int init(); + virtual int ioctl(struct file *filp, int cmd, unsigned long arg); + virtual int info(); + virtual int reset(); + bool is_running() { return _running; } + +private: + work_s _work; + + + enum IOX_MODE _mode; + bool _running; + int _i2cpwm_interval; + bool _should_run; + perf_counter_t _comms_errors; + + uint8_t _msg[6]; + + int _actuator_controls_sub; + struct actuator_controls_s _actuator_controls; + uint16_t _current_values[NUM_ACTUATOR_CONTROLS]; /**< stores the current pwm output + values as sent to the setPin() */ + + bool _mode_on_initialized; /** Set to true after the first call of i2cpwm in mode IOX_MODE_ON */ + + static void i2cpwm_trampoline(void *arg); + void i2cpwm(); + + /** + * Helper function to set the pwm frequency + */ + int setPWMFreq(float freq); + + /** + * Helper function to set the demanded pwm value + * @param num pwm output number + */ + int setPWM(uint8_t num, uint16_t on, uint16_t off); + + /** + * Sets pin without having to deal with on/off tick placement and properly handles + * a zero value as completely off. Optional invert parameter supports inverting + * the pulse for sinking to ground. + * @param num pwm output number + * @param val should be a value from 0 to 4095 inclusive. + */ + int setPin(uint8_t num, uint16_t val, bool invert = false); + + + /* Wrapper to read a byte from addr */ + int read8(uint8_t addr, uint8_t &value); + + /* Wrapper to wite a byte to addr */ + int write8(uint8_t addr, uint8_t value); + +}; + +/* for now, we only support one board */ +namespace +{ +PCA9685 *g_pca9685; +} + +void pca9685_usage(); + +extern "C" __EXPORT int pca9685_main(int argc, char *argv[]); + +PCA9685::PCA9685(int bus, uint8_t address) : + I2C("pca9685", PCA9685_DEVICE_PATH, bus, address, 100000), + _mode(IOX_MODE_OFF), + _running(false), + _i2cpwm_interval(SEC2TICK(1.0f/60.0f)), + _should_run(false), + _comms_errors(perf_alloc(PC_COUNT, "actuator_controls_2_comms_errors")), + _actuator_controls_sub(-1), + _actuator_controls(), + _mode_on_initialized(false) +{ + memset(&_work, 0, sizeof(_work)); + memset(_msg, 0, sizeof(_msg)); + memset(_current_values, 0, sizeof(_current_values)); +} + +PCA9685::~PCA9685() +{ +} + +int +PCA9685::init() +{ + int ret; + ret = I2C::init(); + if (ret != OK) { + return ret; + } + + ret = reset(); + if (ret != OK) { + return ret; + } + + ret = setPWMFreq(PCA9685_PWMFREQ); + + return ret; +} + +int +PCA9685::ioctl(struct file *filp, int cmd, unsigned long arg) +{ + int ret = -EINVAL; + switch (cmd) { + + case IOX_SET_MODE: + + if (_mode != (IOX_MODE)arg) { + + switch ((IOX_MODE)arg) { + case IOX_MODE_OFF: + warnx("shutting down"); + break; + case IOX_MODE_ON: + warnx("starting"); + break; + case IOX_MODE_TEST_OUT: + warnx("test starting"); + break; + + default: + return -1; + } + + _mode = (IOX_MODE)arg; + } + + // if not active, kick it + if (!_running) { + _running = true; + work_queue(LPWORK, &_work, (worker_t)&PCA9685::i2cpwm_trampoline, this, 1); + } + + + return OK; + + default: + // see if the parent class can make any use of it + ret = CDev::ioctl(filp, cmd, arg); + break; + } + + return ret; +} + +int +PCA9685::info() +{ + int ret = OK; + + if (is_running()) { + warnx("Driver is running, mode: %u", _mode); + } else { + warnx("Driver started but not running"); + } + + return ret; +} + +void +PCA9685::i2cpwm_trampoline(void *arg) +{ + PCA9685 *i2cpwm = reinterpret_cast<PCA9685 *>(arg); + + i2cpwm->i2cpwm(); +} + +/** + * Main loop function + */ +void +PCA9685::i2cpwm() +{ + if (_mode == IOX_MODE_TEST_OUT) { + setPin(0, PCA9685_PWMCENTER); + _should_run = true; + } else if (_mode == IOX_MODE_OFF) { + _should_run = false; + } else { + if (!_mode_on_initialized) { + /* Subscribe to actuator control 2 (payload group for gimbal) */ + _actuator_controls_sub = orb_subscribe(ORB_ID(actuator_controls_2)); + /* set the uorb update interval lower than the driver pwm interval */ + orb_set_interval(_actuator_controls_sub, 1000.0f / PCA9685_PWMFREQ - 5); + + _mode_on_initialized = true; + } + + /* Read the servo setpoints from the actuator control topics (gimbal) */ + bool updated; + orb_check(_actuator_controls_sub, &updated); + if (updated) { + orb_copy(ORB_ID(actuator_controls_2), _actuator_controls_sub, &_actuator_controls); + for (int i = 0; i < NUM_ACTUATOR_CONTROLS; i++) { + /* Scale the controls to PWM, first multiply by pi to get rad, + * the control[i] values are on the range -1 ... 1 */ + uint16_t new_value = PCA9685_PWMCENTER + + (_actuator_controls.control[i] * M_PI_F * PCA9685_SCALE); + debug("%d: current: %u, new %u, control %.2f", i, _current_values[i], new_value, + (double)_actuator_controls.control[i]); + if (new_value != _current_values[i] && + isfinite(new_value) && + new_value >= PCA9685_PWMMIN && + new_value <= PCA9685_PWMMAX) { + /* This value was updated, send the command to adjust the PWM value */ + setPin(i, new_value); + _current_values[i] = new_value; + } + } + } + _should_run = true; + } + + // check if any activity remains, else stop + if (!_should_run) { + _running = false; + return; + } + + // re-queue ourselves to run again later + _running = true; + work_queue(LPWORK, &_work, (worker_t)&PCA9685::i2cpwm_trampoline, this, _i2cpwm_interval); +} + +int +PCA9685::setPWM(uint8_t num, uint16_t on, uint16_t off) +{ + int ret; + /* convert to correct message */ + _msg[0] = LED0_ON_L + 4 * num; + _msg[1] = on; + _msg[2] = on >> 8; + _msg[3] = off; + _msg[4] = off >> 8; + + /* try i2c transfer */ + ret = transfer(_msg, 5, nullptr, 0); + + if (OK != ret) { + perf_count(_comms_errors); + log("i2c::transfer returned %d", ret); + } + + return ret; +} + +int +PCA9685::setPin(uint8_t num, uint16_t val, bool invert) +{ + // Clamp value between 0 and 4095 inclusive. + if (val > 4095) { + val = 4095; + } + if (invert) { + if (val == 0) { + // Special value for signal fully on. + return setPWM(num, 4096, 0); + } else if (val == 4095) { + // Special value for signal fully off. + return setPWM(num, 0, 4096); + } else { + return setPWM(num, 0, 4095-val); + } + } else { + if (val == 4095) { + // Special value for signal fully on. + return setPWM(num, 4096, 0); + } else if (val == 0) { + // Special value for signal fully off. + return setPWM(num, 0, 4096); + } else { + return setPWM(num, 0, val); + } + } + + return ERROR; +} + +int +PCA9685::setPWMFreq(float freq) +{ + int ret = OK; + freq *= 0.9f; /* Correct for overshoot in the frequency setting (see issue + https://github.com/adafruit/Adafruit-PWM-Servo-Driver-Library/issues/11). */ + float prescaleval = 25000000; + prescaleval /= 4096; + prescaleval /= freq; + prescaleval -= 1; + uint8_t prescale = uint8_t(prescaleval + 0.5f); //implicit floor() + uint8_t oldmode; + ret = read8(PCA9685_MODE1, oldmode); + if (ret != OK) { + return ret; + } + uint8_t newmode = (oldmode&0x7F) | 0x10; // sleep + + ret = write8(PCA9685_MODE1, newmode); // go to sleep + if (ret != OK) { + return ret; + } + ret = write8(PCA9685_PRESCALE, prescale); // set the prescaler + if (ret != OK) { + return ret; + } + ret = write8(PCA9685_MODE1, oldmode); + if (ret != OK) { + return ret; + } + + usleep(5000); //5ms delay (from arduino driver) + + ret = write8(PCA9685_MODE1, oldmode | 0xa1); // This sets the MODE1 register to turn on auto increment. + if (ret != OK) { + return ret; + } + + return ret; +} + +/* Wrapper to read a byte from addr */ +int +PCA9685::read8(uint8_t addr, uint8_t &value) +{ + int ret = OK; + + /* send addr */ + ret = transfer(&addr, sizeof(addr), nullptr, 0); + if (ret != OK) { + goto fail_read; + } + + /* get value */ + ret = transfer(nullptr, 0, &value, 1); + if (ret != OK) { + goto fail_read; + } + + return ret; + +fail_read: + perf_count(_comms_errors); + log("i2c::transfer returned %d", ret); + + return ret; +} + +int PCA9685::reset(void) { + warnx("resetting"); + return write8(PCA9685_MODE1, 0x0); +} + +/* Wrapper to wite a byte to addr */ +int +PCA9685::write8(uint8_t addr, uint8_t value) { + int ret = OK; + _msg[0] = addr; + _msg[1] = value; + /* send addr and value */ + ret = transfer(_msg, 2, nullptr, 0); + if (ret != OK) { + perf_count(_comms_errors); + log("i2c::transfer returned %d", ret); + } + return ret; +} + +void +pca9685_usage() +{ + warnx("missing command: try 'start', 'test', 'stop', 'info'"); + warnx("options:"); + warnx(" -b i2cbus (%d)", PX4_I2C_BUS_EXPANSION); + warnx(" -a addr (0x%x)", ADDR); +} + +int +pca9685_main(int argc, char *argv[]) +{ + int i2cdevice = -1; + int i2caddr = ADDR; // 7bit + + int ch; + + // jump over start/off/etc and look at options first + while ((ch = getopt(argc, argv, "a:b:")) != EOF) { + switch (ch) { + case 'a': + i2caddr = strtol(optarg, NULL, 0); + break; + + case 'b': + i2cdevice = strtol(optarg, NULL, 0); + break; + + default: + pca9685_usage(); + exit(0); + } + } + + if (optind >= argc) { + pca9685_usage(); + exit(1); + } + + const char *verb = argv[optind]; + + int fd; + int ret; + + if (!strcmp(verb, "start")) { + if (g_pca9685 != nullptr) { + errx(1, "already started"); + } + + if (i2cdevice == -1) { + // try the external bus first + i2cdevice = PX4_I2C_BUS_EXPANSION; + g_pca9685 = new PCA9685(PX4_I2C_BUS_EXPANSION, i2caddr); + + if (g_pca9685 != nullptr && OK != g_pca9685->init()) { + delete g_pca9685; + g_pca9685 = nullptr; + } + + if (g_pca9685 == nullptr) { + errx(1, "init failed"); + } + } + + if (g_pca9685 == nullptr) { + g_pca9685 = new PCA9685(i2cdevice, i2caddr); + + if (g_pca9685 == nullptr) { + errx(1, "new failed"); + } + + if (OK != g_pca9685->init()) { + delete g_pca9685; + g_pca9685 = nullptr; + errx(1, "init failed"); + } + } + fd = open(PCA9685_DEVICE_PATH, 0); + if (fd == -1) { + errx(1, "Unable to open " PCA9685_DEVICE_PATH); + } + ret = ioctl(fd, IOX_SET_MODE, (unsigned long)IOX_MODE_ON); + close(fd); + + + exit(0); + } + + // need the driver past this point + if (g_pca9685 == nullptr) { + warnx("not started, run pca9685 start"); + exit(1); + } + + if (!strcmp(verb, "info")) { + g_pca9685->info(); + exit(0); + } + + if (!strcmp(verb, "reset")) { + g_pca9685->reset(); + exit(0); + } + + + if (!strcmp(verb, "test")) { + fd = open(PCA9685_DEVICE_PATH, 0); + + if (fd == -1) { + errx(1, "Unable to open " PCA9685_DEVICE_PATH); + } + + ret = ioctl(fd, IOX_SET_MODE, (unsigned long)IOX_MODE_TEST_OUT); + + close(fd); + exit(ret); + } + + if (!strcmp(verb, "stop")) { + fd = open(PCA9685_DEVICE_PATH, 0); + + if (fd == -1) { + errx(1, "Unable to open " PCA9685_DEVICE_PATH); + } + + ret = ioctl(fd, IOX_SET_MODE, (unsigned long)IOX_MODE_OFF); + close(fd); + + // wait until we're not running any more + for (unsigned i = 0; i < 15; i++) { + if (!g_pca9685->is_running()) { + break; + } + + usleep(50000); + printf("."); + fflush(stdout); + } + printf("\n"); + fflush(stdout); + + if (!g_pca9685->is_running()) { + delete g_pca9685; + g_pca9685= nullptr; + warnx("stopped, exiting"); + exit(0); + } else { + warnx("stop failed."); + exit(1); + } + } + + pca9685_usage(); + exit(0); +} diff --git a/src/drivers/px4flow/px4flow.cpp b/src/drivers/px4flow/px4flow.cpp index f214b5964..6c68636c6 100644 --- a/src/drivers/px4flow/px4flow.cpp +++ b/src/drivers/px4flow/px4flow.cpp @@ -37,7 +37,7 @@ * * Driver for the PX4FLOW module connected via I2C. */ - + #include <nuttx/config.h> #include <drivers/device/i2c.h> @@ -68,7 +68,7 @@ #include <uORB/uORB.h> #include <uORB/topics/subsystem_info.h> -//#include <uORB/topics/optical_flow.h> +#include <uORB/topics/optical_flow.h> #include <board_config.h> @@ -76,11 +76,11 @@ #define PX4FLOW_BUS PX4_I2C_BUS_EXPANSION #define I2C_FLOW_ADDRESS 0x42 //* 7-bit address. 8-bit address is 0x84 //range 0x42 - 0x49 - + /* PX4FLOW Registers addresses */ #define PX4FLOW_REG 0x00 /* Measure Register */ -#define PX4FLOW_CONVERSION_INTERVAL 8000 /* 8ms 125Hz +#define PX4FLOW_CONVERSION_INTERVAL 8000 /* 8ms 125Hz */ /* oddly, ERROR is not defined for c++ */ #ifdef ERROR @@ -115,17 +115,17 @@ class PX4FLOW : public device::I2C public: PX4FLOW(int bus = PX4FLOW_BUS, int address = I2C_FLOW_ADDRESS); virtual ~PX4FLOW(); - + virtual int init(); - + virtual ssize_t read(struct file *filp, char *buffer, size_t buflen); virtual int ioctl(struct file *filp, int cmd, unsigned long arg); - + /** * Diagnostics - print some basic information about the driver. */ void print_info(); - + protected: virtual int probe(); @@ -136,13 +136,13 @@ private: bool _sensor_ok; int _measure_ticks; bool _collect_phase; - + orb_advert_t _px4flow_topic; perf_counter_t _sample_perf; perf_counter_t _comms_errors; perf_counter_t _buffer_overflows; - + /** * Test whether the device supported by the driver is present at a * specific address. @@ -151,7 +151,7 @@ private: * @return True if the device is present. */ int probe_address(uint8_t address); - + /** * Initialise the automatic measurement state machine and start it. * @@ -159,12 +159,12 @@ private: * to make it more aggressive about resetting the bus in case of errors. */ void start(); - + /** * Stop the automatic measurement state machine. */ void stop(); - + /** * Perform a poll cycle; collect from the previous measurement * and start a new one. @@ -179,8 +179,8 @@ private: * @param arg Instance pointer for the driver that is polling. */ static void cycle_trampoline(void *arg); - - + + }; /* @@ -201,7 +201,7 @@ PX4FLOW::PX4FLOW(int bus, int address) : { // enable debug() calls _debug_enabled = true; - + // work_cancel in the dtor will explode if we don't do this... memset(&_work, 0, sizeof(_work)); } @@ -212,8 +212,9 @@ PX4FLOW::~PX4FLOW() stop(); /* free any existing reports */ - if (_reports != nullptr) + if (_reports != nullptr) { delete _reports; + } } int @@ -222,22 +223,25 @@ PX4FLOW::init() int ret = ERROR; /* do I2C init (and probe) first */ - if (I2C::init() != OK) + if (I2C::init() != OK) { goto out; + } /* allocate basic report buffers */ - _reports = new RingBuffer(2, sizeof(px4flow_report)); + _reports = new RingBuffer(2, sizeof(struct optical_flow_s)); - if (_reports == nullptr) + if (_reports == nullptr) { goto out; + } /* get a publish handle on the px4flow topic */ - struct px4flow_report zero_report; + struct optical_flow_s zero_report; memset(&zero_report, 0, sizeof(zero_report)); _px4flow_topic = orb_advertise(ORB_ID(optical_flow), &zero_report); - if (_px4flow_topic < 0) + if (_px4flow_topic < 0) { debug("failed to create px4flow object. Did you start uOrb?"); + } ret = OK; /* sensor is ok, but we don't really know if it is within range */ @@ -249,6 +253,17 @@ out: int PX4FLOW::probe() { + uint8_t val[22]; + + // to be sure this is not a ll40ls Lidar (which can also be on + // 0x42) we check if a 22 byte transfer works from address + // 0. The ll40ls gives an error for that, whereas the flow + // happily returns some data + if (transfer(nullptr, 0, &val[0], 22) != OK) { + return -EIO; + } + + // that worked, so start a measurement cycle return measure(); } @@ -260,20 +275,20 @@ PX4FLOW::ioctl(struct file *filp, int cmd, unsigned long arg) case SENSORIOCSPOLLRATE: { switch (arg) { - /* switching to manual polling */ + /* switching to manual polling */ case SENSOR_POLLRATE_MANUAL: stop(); _measure_ticks = 0; return OK; - /* external signalling (DRDY) not supported */ + /* external signalling (DRDY) not supported */ case SENSOR_POLLRATE_EXTERNAL: - /* zero would be bad */ + /* zero would be bad */ case 0: return -EINVAL; - /* set default/max polling rate */ + /* set default/max polling rate */ case SENSOR_POLLRATE_MAX: case SENSOR_POLLRATE_DEFAULT: { /* do we need to start internal polling? */ @@ -283,13 +298,14 @@ PX4FLOW::ioctl(struct file *filp, int cmd, unsigned long arg) _measure_ticks = USEC2TICK(PX4FLOW_CONVERSION_INTERVAL); /* if we need to start the poll state machine, do it */ - if (want_start) + if (want_start) { start(); + } return OK; } - /* adjust to a legal polling interval in Hz */ + /* adjust to a legal polling interval in Hz */ default: { /* do we need to start internal polling? */ bool want_start = (_measure_ticks == 0); @@ -298,15 +314,17 @@ PX4FLOW::ioctl(struct file *filp, int cmd, unsigned long arg) unsigned ticks = USEC2TICK(1000000 / arg); /* check against maximum rate */ - if (ticks < USEC2TICK(PX4FLOW_CONVERSION_INTERVAL)) + if (ticks < USEC2TICK(PX4FLOW_CONVERSION_INTERVAL)) { return -EINVAL; + } /* update interval for next measurement */ _measure_ticks = ticks; /* if we need to start the poll state machine, do it */ - if (want_start) + if (want_start) { start(); + } return OK; } @@ -314,33 +332,37 @@ PX4FLOW::ioctl(struct file *filp, int cmd, unsigned long arg) } case SENSORIOCGPOLLRATE: - if (_measure_ticks == 0) + if (_measure_ticks == 0) { return SENSOR_POLLRATE_MANUAL; + } return (1000 / _measure_ticks); case SENSORIOCSQUEUEDEPTH: { - /* lower bound is mandatory, upper bound is a sanity check */ - if ((arg < 1) || (arg > 100)) - return -EINVAL; - - irqstate_t flags = irqsave(); - if (!_reports->resize(arg)) { + /* lower bound is mandatory, upper bound is a sanity check */ + if ((arg < 1) || (arg > 100)) { + return -EINVAL; + } + + irqstate_t flags = irqsave(); + + if (!_reports->resize(arg)) { + irqrestore(flags); + return -ENOMEM; + } + irqrestore(flags); - return -ENOMEM; + + return OK; } - irqrestore(flags); - - return OK; - } case SENSORIOCGQUEUEDEPTH: return _reports->size(); - + case SENSORIOCRESET: /* XXX implement this */ return -EINVAL; - + default: /* give it to the superclass */ return I2C::ioctl(filp, cmd, arg); @@ -350,13 +372,14 @@ PX4FLOW::ioctl(struct file *filp, int cmd, unsigned long arg) ssize_t PX4FLOW::read(struct file *filp, char *buffer, size_t buflen) { - unsigned count = buflen / sizeof(struct px4flow_report); - struct px4flow_report *rbuf = reinterpret_cast<struct px4flow_report *>(buffer); + unsigned count = buflen / sizeof(struct optical_flow_s); + struct optical_flow_s *rbuf = reinterpret_cast<struct optical_flow_s *>(buffer); int ret = 0; /* buffer must be large enough */ - if (count < 1) + if (count < 1) { return -ENOSPC; + } /* if automatic measurement is enabled */ if (_measure_ticks > 0) { @@ -417,15 +440,15 @@ PX4FLOW::measure() uint8_t cmd = PX4FLOW_REG; ret = transfer(&cmd, 1, nullptr, 0); - if (OK != ret) - { + if (OK != ret) { perf_count(_comms_errors); log("i2c::transfer returned %d", ret); - printf("i2c::transfer flow returned %d"); + printf("i2c::transfer flow returned %d"); return ret; } + ret = OK; - + return ret; } @@ -433,22 +456,21 @@ int PX4FLOW::collect() { int ret = -EIO; - + /* read from the sensor */ - uint8_t val[22] = {0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0}; - + uint8_t val[22] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + perf_begin(_sample_perf); - + ret = transfer(nullptr, 0, &val[0], 22); - - if (ret < 0) - { + + if (ret < 0) { log("error reading from sensor: %d", ret); perf_count(_comms_errors); perf_end(_sample_perf); return ret; } - + // f.frame_count = val[1] << 8 | val[0]; // f.pixel_flow_x_sum= val[3] << 8 | val[2]; // f.pixel_flow_y_sum= val[5] << 8 | val[4]; @@ -466,13 +488,13 @@ PX4FLOW::collect() int16_t flowcy = val[9] << 8 | val[8]; int16_t gdist = val[21] << 8 | val[20]; - struct px4flow_report report; - report.flow_comp_x_m = float(flowcx)/1000.0f; - report.flow_comp_y_m = float(flowcy)/1000.0f; - report.flow_raw_x= val[3] << 8 | val[2]; - report.flow_raw_y= val[5] << 8 | val[4]; - report.ground_distance_m =float(gdist)/1000.0f; - report.quality= val[10]; + struct optical_flow_s report; + report.flow_comp_x_m = float(flowcx) / 1000.0f; + report.flow_comp_y_m = float(flowcy) / 1000.0f; + report.flow_raw_x = val[3] << 8 | val[2]; + report.flow_raw_y = val[5] << 8 | val[4]; + report.ground_distance_m = float(gdist) / 1000.0f; + report.quality = val[10]; report.sensor_id = 0; report.timestamp = hrt_absolute_time(); @@ -503,17 +525,19 @@ PX4FLOW::start() /* schedule a cycle to start things */ work_queue(HPWORK, &_work, (worker_t)&PX4FLOW::cycle_trampoline, this, 1); - + /* notify about state change */ struct subsystem_info_s info = { true, true, true, - SUBSYSTEM_TYPE_OPTICALFLOW}; + SUBSYSTEM_TYPE_OPTICALFLOW + }; static orb_advert_t pub = -1; if (pub > 0) { orb_publish(ORB_ID(subsystem_info), pub, &info); + } else { pub = orb_advertise(ORB_ID(subsystem_info), &info); } @@ -567,8 +591,9 @@ PX4FLOW::cycle() } /* measurement phase */ - if (OK != measure()) + if (OK != measure()) { log("measure error"); + } /* next phase is collection */ _collect_phase = true; @@ -619,33 +644,37 @@ start() { int fd; - if (g_dev != nullptr) + if (g_dev != nullptr) { errx(1, "already started"); + } /* create the driver */ g_dev = new PX4FLOW(PX4FLOW_BUS); - if (g_dev == nullptr) + if (g_dev == nullptr) { goto fail; + } - if (OK != g_dev->init()) + if (OK != g_dev->init()) { goto fail; + } /* set the poll rate to default, starts automatic data collection */ fd = open(PX4FLOW_DEVICE_PATH, O_RDONLY); - if (fd < 0) + if (fd < 0) { goto fail; + } - if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_MAX) < 0) + if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_MAX) < 0) { goto fail; + } exit(0); fail: - if (g_dev != nullptr) - { + if (g_dev != nullptr) { delete g_dev; g_dev = nullptr; } @@ -658,15 +687,14 @@ fail: */ void stop() { - if (g_dev != nullptr) - { + if (g_dev != nullptr) { delete g_dev; g_dev = nullptr; - } - else - { + + } else { errx(1, "driver not running"); } + exit(0); } @@ -678,20 +706,23 @@ void stop() void test() { - struct px4flow_report report; + struct optical_flow_s report; ssize_t sz; int ret; int fd = open(PX4FLOW_DEVICE_PATH, O_RDONLY); - if (fd < 0) + if (fd < 0) { err(1, "%s open failed (try 'px4flow start' if the driver is not running", PX4FLOW_DEVICE_PATH); + } /* do a simple demand read */ sz = read(fd, &report, sizeof(report)); if (sz != sizeof(report)) - // err(1, "immediate read failed"); + { + warnx("immediate read failed"); + } warnx("single read"); warnx("flowx: %0.2f m/s", (double)report.flow_comp_x_m); @@ -700,8 +731,9 @@ test() /* start the sensor polling at 2Hz */ - if (OK != ioctl(fd, SENSORIOCSPOLLRATE, 2)) + if (OK != ioctl(fd, SENSORIOCSPOLLRATE, 2)) { errx(1, "failed to set 2Hz poll rate"); + } /* read the sensor 5x and report each value */ for (unsigned i = 0; i < 5; i++) { @@ -712,14 +744,16 @@ test() fds.events = POLLIN; ret = poll(&fds, 1, 2000); - if (ret != 1) + if (ret != 1) { errx(1, "timed out waiting for sensor data"); + } /* now go get it */ sz = read(fd, &report, sizeof(report)); - if (sz != sizeof(report)) + if (sz != sizeof(report)) { err(1, "periodic read failed"); + } warnx("periodic read %u", i); warnx("flowx: %0.2f m/s", (double)report.flow_comp_x_m); @@ -740,14 +774,17 @@ reset() { int fd = open(PX4FLOW_DEVICE_PATH, O_RDONLY); - if (fd < 0) + if (fd < 0) { err(1, "failed "); + } - if (ioctl(fd, SENSORIOCRESET, 0) < 0) + if (ioctl(fd, SENSORIOCRESET, 0) < 0) { err(1, "driver reset failed"); + } - if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT) < 0) + if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT) < 0) { err(1, "driver poll restart failed"); + } exit(0); } @@ -758,8 +795,9 @@ reset() void info() { - if (g_dev == nullptr) + if (g_dev == nullptr) { errx(1, "driver not running"); + } printf("state @ %p\n", g_dev); g_dev->print_info(); @@ -775,32 +813,37 @@ px4flow_main(int argc, char *argv[]) /* * Start/load the driver. */ - if (!strcmp(argv[1], "start")) + if (!strcmp(argv[1], "start")) { px4flow::start(); - - /* - * Stop the driver - */ - if (!strcmp(argv[1], "stop")) - px4flow::stop(); + } + + /* + * Stop the driver + */ + if (!strcmp(argv[1], "stop")) { + px4flow::stop(); + } /* * Test the driver/device. */ - if (!strcmp(argv[1], "test")) + if (!strcmp(argv[1], "test")) { px4flow::test(); + } /* * Reset the driver. */ - if (!strcmp(argv[1], "reset")) + if (!strcmp(argv[1], "reset")) { px4flow::reset(); + } /* * Print driver information. */ - if (!strcmp(argv[1], "info") || !strcmp(argv[1], "status")) + if (!strcmp(argv[1], "info") || !strcmp(argv[1], "status")) { px4flow::info(); + } errx(1, "unrecognized command, try 'start', 'test', 'reset' or 'info'"); } diff --git a/src/drivers/px4fmu/fmu.cpp b/src/drivers/px4fmu/fmu.cpp index 82977a032..3d3e1b0eb 100644 --- a/src/drivers/px4fmu/fmu.cpp +++ b/src/drivers/px4fmu/fmu.cpp @@ -829,6 +829,7 @@ PX4FMU::pwm_ioctl(file *filp, int cmd, unsigned long arg) case PWM_SERVO_SET_ARM_OK: case PWM_SERVO_CLEAR_ARM_OK: case PWM_SERVO_SET_FORCE_SAFETY_OFF: + case PWM_SERVO_SET_FORCE_SAFETY_ON: // these are no-ops, as no safety switch break; @@ -1272,7 +1273,9 @@ PX4FMU::write(file *filp, const char *buffer, size_t len) memcpy(values, buffer, count * 2); for (uint8_t i = 0; i < count; i++) { - up_pwm_servo_set(i, values[i]); + if (values[i] != PWM_IGNORE_THIS_CHANNEL) { + up_pwm_servo_set(i, values[i]); + } } return count * 2; diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp index d93009c47..6d68d9f60 100644 --- a/src/drivers/px4io/px4io.cpp +++ b/src/drivers/px4io/px4io.cpp @@ -136,6 +136,15 @@ public: virtual int init(); /** + * Initialize the PX4IO class. + * + * Retrieve relevant initial system parameters. Initialize PX4IO registers. + * + * @param disable_rc_handling set to true to forbid override / RC handling on IO + */ + int init(bool disable_rc_handling); + + /** * Detect if a PX4IO is connected. * * Only validate if there is a PX4IO to talk to. @@ -286,6 +295,7 @@ private: float _battery_amp_bias; ///< current sensor bias float _battery_mamphour_total;///< amp hours consumed so far uint64_t _battery_last_timestamp;///< last amp hour calculation timestamp + bool _cb_flighttermination; ///< true if the flight termination circuit breaker is enabled #ifdef CONFIG_ARCH_BOARD_PX4FMU_V1 bool _dsm_vcc_ctl; ///< true if relay 1 controls DSM satellite RX power @@ -506,7 +516,8 @@ PX4IO::PX4IO(device::Device *interface) : _battery_amp_per_volt(90.0f / 5.0f), // this matches the 3DR current sensor _battery_amp_bias(0), _battery_mamphour_total(0), - _battery_last_timestamp(0) + _battery_last_timestamp(0), + _cb_flighttermination(true) #ifdef CONFIG_ARCH_BOARD_PX4FMU_V1 , _dsm_vcc_ctl(false) #endif @@ -580,6 +591,12 @@ PX4IO::detect() } int +PX4IO::init(bool rc_handling_disabled) { + _rc_handling_disabled = rc_handling_disabled; + return init(); +} + +int PX4IO::init() { int ret; @@ -778,6 +795,11 @@ PX4IO::init() if (_rc_handling_disabled) { ret = io_disable_rc_handling(); + if (ret != OK) { + log("failed disabling RC handling"); + return ret; + } + } else { /* publish RC config to IO */ ret = io_set_rc_config(); @@ -1031,6 +1053,9 @@ PX4IO::task_main() } } + /* Update Circuit breakers */ + _cb_flighttermination = circuit_breaker_enabled("CBRK_FLIGHTTERM", CBRK_FLIGHTTERM_KEY); + } } @@ -1149,12 +1174,21 @@ PX4IO::io_set_arming_state() clear |= PX4IO_P_SETUP_ARMING_LOCKDOWN; } - if (armed.force_failsafe) { + /* Do not set failsafe if circuit breaker is enabled */ + if (armed.force_failsafe && !_cb_flighttermination) { set |= PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE; } else { clear |= PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE; } + // XXX this is for future support in the commander + // but can be removed if unneeded + // if (armed.termination_failsafe) { + // set |= PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE; + // } else { + // clear |= PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE; + // } + if (armed.ready_to_arm) { set |= PX4IO_P_SETUP_ARMING_IO_ARM_OK; @@ -1175,6 +1209,7 @@ PX4IO::io_set_arming_state() int PX4IO::disable_rc_handling() { + _rc_handling_disabled = true; return io_disable_rc_handling(); } @@ -1212,28 +1247,40 @@ PX4IO::io_set_rc_config() */ param_get(param_find("RC_MAP_ROLL"), &ichan); + /* subtract one from 1-based index - this might be + * a negative number now + */ + ichan -= 1; + if ((ichan >= 0) && (ichan < (int)_max_rc_input)) - input_map[ichan - 1] = 0; + input_map[ichan] = 0; param_get(param_find("RC_MAP_PITCH"), &ichan); if ((ichan >= 0) && (ichan < (int)_max_rc_input)) - input_map[ichan - 1] = 1; + input_map[ichan] = 1; param_get(param_find("RC_MAP_YAW"), &ichan); if ((ichan >= 0) && (ichan < (int)_max_rc_input)) - input_map[ichan - 1] = 2; + input_map[ichan] = 2; param_get(param_find("RC_MAP_THROTTLE"), &ichan); if ((ichan >= 0) && (ichan < (int)_max_rc_input)) - input_map[ichan - 1] = 3; + input_map[ichan] = 3; - param_get(param_find("RC_MAP_MODE_SW"), &ichan); + param_get(param_find("RC_MAP_FLAPS"), &ichan); if ((ichan >= 0) && (ichan < (int)_max_rc_input)) - input_map[ichan - 1] = 4; + input_map[ichan] = 4; + + param_get(param_find("RC_MAP_MODE_SW"), &ichan); + + if ((ichan >= 0) && (ichan < (int)_max_rc_input)) { + /* use out of normal bounds index to indicate special channel */ + input_map[ichan] = PX4IO_P_RC_CONFIG_ASSIGNMENT_MODESWITCH; + } /* * Iterate all possible RC inputs. @@ -1582,6 +1629,9 @@ PX4IO::io_publish_raw_rc() } else if (_status & PX4IO_P_STATUS_FLAGS_RC_SBUS) { rc_val.input_source = RC_INPUT_SOURCE_PX4IO_SBUS; + } else if (_status & PX4IO_P_STATUS_FLAGS_RC_ST24) { + rc_val.input_source = RC_INPUT_SOURCE_PX4IO_ST24; + } else { rc_val.input_source = RC_INPUT_SOURCE_UNKNOWN; @@ -1899,13 +1949,15 @@ PX4IO::print_status(bool extended_status) io_reg_get(PX4IO_PAGE_STATUS, PX4IO_P_STATUS_FREEMEM)); uint16_t flags = io_reg_get(PX4IO_PAGE_STATUS, PX4IO_P_STATUS_FLAGS); uint16_t io_status_flags = flags; - printf("status 0x%04x%s%s%s%s%s%s%s%s%s%s%s%s\n", + printf("status 0x%04x%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", flags, ((flags & PX4IO_P_STATUS_FLAGS_OUTPUTS_ARMED) ? " OUTPUTS_ARMED" : ""), ((flags & PX4IO_P_STATUS_FLAGS_SAFETY_OFF) ? " SAFETY_OFF" : " SAFETY_SAFE"), ((flags & PX4IO_P_STATUS_FLAGS_OVERRIDE) ? " OVERRIDE" : ""), ((flags & PX4IO_P_STATUS_FLAGS_RC_OK) ? " RC_OK" : " RC_FAIL"), ((flags & PX4IO_P_STATUS_FLAGS_RC_PPM) ? " PPM" : ""), + ((flags & PX4IO_P_STATUS_FLAGS_RC_DSM) ? " DSM" : ""), + ((flags & PX4IO_P_STATUS_FLAGS_RC_ST24) ? " ST24" : ""), ((flags & PX4IO_P_STATUS_FLAGS_RC_SBUS) ? " SBUS" : ""), ((flags & PX4IO_P_STATUS_FLAGS_FMU_OK) ? " FMU_OK" : " FMU_FAIL"), ((flags & PX4IO_P_STATUS_FLAGS_RAW_PWM) ? " RAW_PWM_PASSTHROUGH" : ""), @@ -1947,7 +1999,7 @@ PX4IO::print_status(bool extended_status) printf("actuators"); for (unsigned i = 0; i < _max_actuators; i++) - printf(" %u", io_reg_get(PX4IO_PAGE_ACTUATORS, i)); + printf(" %hi", int16_t(io_reg_get(PX4IO_PAGE_ACTUATORS, i))); printf("\n"); printf("servos"); @@ -2017,7 +2069,8 @@ PX4IO::print_status(bool extended_status) ((arming & PX4IO_P_SETUP_ARMING_INAIR_RESTART_OK) ? " INAIR_RESTART_OK" : ""), ((arming & PX4IO_P_SETUP_ARMING_ALWAYS_PWM_ENABLE) ? " ALWAYS_PWM_ENABLE" : ""), ((arming & PX4IO_P_SETUP_ARMING_LOCKDOWN) ? " LOCKDOWN" : ""), - ((arming & PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE) ? " FORCE_FAILSAFE" : "") + ((arming & PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE) ? " FORCE_FAILSAFE" : ""), + ((arming & PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE) ? " TERM_FAILSAFE" : "") ); #ifdef CONFIG_ARCH_BOARD_PX4FMU_V1 printf("rates 0x%04x default %u alt %u relays 0x%04x\n", @@ -2230,6 +2283,11 @@ PX4IO::ioctl(file * filep, int cmd, unsigned long arg) ret = io_reg_set(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_FORCE_SAFETY_OFF, PX4IO_FORCE_SAFETY_MAGIC); break; + case PWM_SERVO_SET_FORCE_SAFETY_ON: + /* force safety switch on */ + ret = io_reg_set(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_FORCE_SAFETY_ON, PX4IO_FORCE_SAFETY_MAGIC); + break; + case PWM_SERVO_SET_FORCE_FAILSAFE: /* force failsafe mode instantly */ if (arg == 0) { @@ -2241,6 +2299,17 @@ PX4IO::ioctl(file * filep, int cmd, unsigned long arg) } break; + case PWM_SERVO_SET_TERMINATION_FAILSAFE: + /* if failsafe occurs, do not allow the system to recover */ + if (arg == 0) { + /* clear termination failsafe flag */ + ret = io_reg_modify(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_ARMING, PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE, 0); + } else { + /* set termination failsafe flag */ + ret = io_reg_modify(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_ARMING, 0, PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE); + } + break; + case DSM_BIND_START: /* only allow DSM2, DSM-X and DSM-X with more than 7 channels */ @@ -2418,6 +2487,9 @@ PX4IO::ioctl(file * filep, int cmd, unsigned long arg) } else if (status & PX4IO_P_STATUS_FLAGS_RC_SBUS) { rc_val->input_source = RC_INPUT_SOURCE_PX4IO_SBUS; + } else if (status & PX4IO_P_STATUS_FLAGS_RC_ST24) { + rc_val->input_source = RC_INPUT_SOURCE_PX4IO_ST24; + } else { rc_val->input_source = RC_INPUT_SOURCE_UNKNOWN; } @@ -2613,24 +2685,25 @@ start(int argc, char *argv[]) errx(1, "driver alloc failed"); } - if (OK != g_dev->init()) { - delete g_dev; - g_dev = nullptr; - errx(1, "driver init failed"); - } + bool rc_handling_disabled = false; /* disable RC handling on request */ if (argc > 1) { if (!strcmp(argv[1], "norc")) { - if (g_dev->disable_rc_handling()) - warnx("Failed disabling RC handling"); + rc_handling_disabled = true; } else { warnx("unknown argument: %s", argv[1]); } } + if (OK != g_dev->init(rc_handling_disabled)) { + delete g_dev; + g_dev = nullptr; + errx(1, "driver init failed"); + } + #ifdef CONFIG_ARCH_BOARD_PX4FMU_V1 int dsm_vcc_ctl; diff --git a/src/drivers/sf0x/module.mk b/src/drivers/sf0x/module.mk index dc2c66d56..26e77d1cc 100644 --- a/src/drivers/sf0x/module.mk +++ b/src/drivers/sf0x/module.mk @@ -37,6 +37,7 @@ MODULE_COMMAND = sf0x -SRCS = sf0x.cpp +SRCS = sf0x.cpp \ + sf0x_parser.cpp MAXOPTIMIZATION = -Os diff --git a/src/drivers/sf0x/sf0x.cpp b/src/drivers/sf0x/sf0x.cpp index bca1715fa..fdd524189 100644 --- a/src/drivers/sf0x/sf0x.cpp +++ b/src/drivers/sf0x/sf0x.cpp @@ -72,6 +72,8 @@ #include <board_config.h> +#include "sf0x_parser.h" + /* Configuration Constants */ /* oddly, ERROR is not defined for c++ */ @@ -120,6 +122,7 @@ private: int _fd; char _linebuf[10]; unsigned _linebuf_index; + enum SF0X_PARSE_STATE _parse_state; hrt_abstime _last_read; orb_advert_t _range_finder_topic; @@ -186,6 +189,7 @@ SF0X::SF0X(const char *port) : _collect_phase(false), _fd(-1), _linebuf_index(0), + _parse_state(SF0X_PARSE_STATE0_UNSYNC), _last_read(0), _range_finder_topic(-1), _consecutive_fail_count(0), @@ -200,12 +204,6 @@ SF0X::SF0X(const char *port) : warnx("FAIL: laser fd"); } - /* tell it to stop auto-triggering */ - char stop_auto = ' '; - (void)::write(_fd, &stop_auto, 1); - usleep(100); - (void)::write(_fd, &stop_auto, 1); - struct termios uart_config; int termios_state; @@ -520,22 +518,15 @@ SF0X::collect() /* clear buffer if last read was too long ago */ uint64_t read_elapsed = hrt_elapsed_time(&_last_read); - if (read_elapsed > (SF0X_CONVERSION_INTERVAL * 2)) { - _linebuf_index = 0; - } else if (_linebuf_index > 0) { - /* increment to next read position */ - _linebuf_index++; - } - /* the buffer for read chars is buflen minus null termination */ - unsigned readlen = sizeof(_linebuf) - 1; + char readbuf[sizeof(_linebuf)]; + unsigned readlen = sizeof(readbuf) - 1; /* read from the sensor (uart buffer) */ - ret = ::read(_fd, &_linebuf[_linebuf_index], readlen - _linebuf_index); + ret = ::read(_fd, &readbuf[0], readlen); if (ret < 0) { - _linebuf[sizeof(_linebuf) - 1] = '\0'; - debug("read err: %d lbi: %d buf: %s", ret, (int)_linebuf_index, _linebuf); + debug("read err: %d", ret); perf_count(_comms_errors); perf_end(_sample_perf); @@ -550,83 +541,23 @@ SF0X::collect() return -EAGAIN; } - /* we did increment the index to the next position already, so just add the additional fields */ - _linebuf_index += (ret - 1); - _last_read = hrt_absolute_time(); - if (_linebuf_index < 1) { - /* we need at least the two end bytes to make sense of this string */ - return -EAGAIN; - - } else if (_linebuf[_linebuf_index - 1] != '\r' || _linebuf[_linebuf_index] != '\n') { - - if (_linebuf_index >= readlen - 1) { - /* we have a full buffer, but no line ending - abort */ - _linebuf_index = 0; - perf_count(_comms_errors); - return -ENOMEM; - } else { - /* incomplete read, reschedule ourselves */ - return -EAGAIN; - } - } - - char *end; float si_units; - bool valid; - - /* enforce line ending */ - unsigned lend = (_linebuf_index < (sizeof(_linebuf) - 1)) ? _linebuf_index : (sizeof(_linebuf) - 1); - - _linebuf[lend] = '\0'; - - if (_linebuf[0] == '-' && _linebuf[1] == '-' && _linebuf[2] == '.') { - si_units = -1.0f; - valid = false; - - } else { - - /* we need to find a dot in the string, as we're missing the meters part else */ - valid = false; - - /* wipe out partially read content from last cycle(s), check for dot */ - for (unsigned i = 0; i < (lend - 2); i++) { - if (_linebuf[i] == '\n') { - char buf[sizeof(_linebuf)]; - memcpy(buf, &_linebuf[i+1], (lend + 1) - (i + 1)); - memcpy(_linebuf, buf, (lend + 1) - (i + 1)); - } - - if (_linebuf[i] == '.') { - valid = true; - } - } - - if (valid) { - si_units = strtod(_linebuf, &end); - - /* we require at least 3 characters for a valid number */ - if (end > _linebuf + 3) { - valid = true; - } else { - si_units = -1.0f; - valid = false; - } + bool valid = false; + + for (int i = 0; i < ret; i++) { + if (OK == sf0x_parser(readbuf[i], _linebuf, &_linebuf_index, &_parse_state, &si_units)) { + valid = true; } } - debug("val (float): %8.4f, raw: %s, valid: %s\n", (double)si_units, _linebuf, ((valid) ? "OK" : "NO")); - - /* done with this chunk, resetting - even if invalid */ - _linebuf_index = 0; - - /* if its invalid, there is no reason to forward the value */ if (!valid) { - perf_count(_comms_errors); - return -EINVAL; + return -EAGAIN; } + debug("val (float): %8.4f, raw: %s, valid: %s", (double)si_units, _linebuf, ((valid) ? "OK" : "NO")); + struct range_finder_report report; /* this should be fairly close to the end of the measurement, so the best approximation of the time */ @@ -708,12 +639,12 @@ SF0X::cycle() int collect_ret = collect(); if (collect_ret == -EAGAIN) { - /* reschedule to grab the missing bits, time to transmit 10 bytes @9600 bps */ + /* reschedule to grab the missing bits, time to transmit 8 bytes @ 9600 bps */ work_queue(HPWORK, &_work, (worker_t)&SF0X::cycle_trampoline, this, - USEC2TICK(1100)); + USEC2TICK(1042 * 8)); return; } diff --git a/src/drivers/sf0x/sf0x_parser.cpp b/src/drivers/sf0x/sf0x_parser.cpp new file mode 100644 index 000000000..8e73b0ad3 --- /dev/null +++ b/src/drivers/sf0x/sf0x_parser.cpp @@ -0,0 +1,155 @@ +/**************************************************************************** + * + * Copyright (c) 2014 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file sf0x_parser.cpp + * @author Lorenz Meier <lm@inf.ethz.ch> + * + * Driver for the Lightware SF0x laser rangefinder series + */ + +#include "sf0x_parser.h" +#include <string.h> +#include <stdlib.h> + +//#define SF0X_DEBUG + +#ifdef SF0X_DEBUG +#include <stdio.h> + +const char *parser_state[] = { + "0_UNSYNC", + "1_SYNC", + "2_GOT_DIGIT0", + "3_GOT_DOT", + "4_GOT_DIGIT1", + "5_GOT_DIGIT2", + "6_GOT_CARRIAGE_RETURN" +}; +#endif + +int sf0x_parser(char c, char *parserbuf, unsigned *parserbuf_index, enum SF0X_PARSE_STATE *state, float *dist) +{ + int ret = -1; + char *end; + + switch (*state) { + case SF0X_PARSE_STATE0_UNSYNC: + if (c == '\n') { + *state = SF0X_PARSE_STATE1_SYNC; + (*parserbuf_index) = 0; + } + + break; + + case SF0X_PARSE_STATE1_SYNC: + if (c >= '0' && c <= '9') { + *state = SF0X_PARSE_STATE2_GOT_DIGIT0; + parserbuf[*parserbuf_index] = c; + (*parserbuf_index)++; + } + + break; + + case SF0X_PARSE_STATE2_GOT_DIGIT0: + if (c >= '0' && c <= '9') { + *state = SF0X_PARSE_STATE2_GOT_DIGIT0; + parserbuf[*parserbuf_index] = c; + (*parserbuf_index)++; + + } else if (c == '.') { + *state = SF0X_PARSE_STATE3_GOT_DOT; + parserbuf[*parserbuf_index] = c; + (*parserbuf_index)++; + + } else { + *state = SF0X_PARSE_STATE0_UNSYNC; + } + + break; + + case SF0X_PARSE_STATE3_GOT_DOT: + if (c >= '0' && c <= '9') { + *state = SF0X_PARSE_STATE4_GOT_DIGIT1; + parserbuf[*parserbuf_index] = c; + (*parserbuf_index)++; + + } else { + *state = SF0X_PARSE_STATE0_UNSYNC; + } + + break; + + case SF0X_PARSE_STATE4_GOT_DIGIT1: + if (c >= '0' && c <= '9') { + *state = SF0X_PARSE_STATE5_GOT_DIGIT2; + parserbuf[*parserbuf_index] = c; + (*parserbuf_index)++; + + } else { + *state = SF0X_PARSE_STATE0_UNSYNC; + } + + break; + + case SF0X_PARSE_STATE5_GOT_DIGIT2: + if (c == '\r') { + *state = SF0X_PARSE_STATE6_GOT_CARRIAGE_RETURN; + + } else { + *state = SF0X_PARSE_STATE0_UNSYNC; + } + + break; + + case SF0X_PARSE_STATE6_GOT_CARRIAGE_RETURN: + if (c == '\n') { + parserbuf[*parserbuf_index] = '\0'; + *dist = strtod(parserbuf, &end); + *state = SF0X_PARSE_STATE1_SYNC; + *parserbuf_index = 0; + ret = 0; + + } else { + *state = SF0X_PARSE_STATE0_UNSYNC; + } + + break; + } + +#ifdef SF0X_DEBUG + printf("state: SF0X_PARSE_STATE%s\n", parser_state[*state]); +#endif + + return ret; +}
\ No newline at end of file diff --git a/src/drivers/sf0x/sf0x_parser.h b/src/drivers/sf0x/sf0x_parser.h new file mode 100644 index 000000000..20892d50e --- /dev/null +++ b/src/drivers/sf0x/sf0x_parser.h @@ -0,0 +1,51 @@ +/**************************************************************************** + * + * Copyright (c) 2014 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file sf0x_parser.cpp + * @author Lorenz Meier <lm@inf.ethz.ch> + * + * Declarations of parser for the Lightware SF0x laser rangefinder series + */ + +enum SF0X_PARSE_STATE { + SF0X_PARSE_STATE0_UNSYNC = 0, + SF0X_PARSE_STATE1_SYNC, + SF0X_PARSE_STATE2_GOT_DIGIT0, + SF0X_PARSE_STATE3_GOT_DOT, + SF0X_PARSE_STATE4_GOT_DIGIT1, + SF0X_PARSE_STATE5_GOT_DIGIT2, + SF0X_PARSE_STATE6_GOT_CARRIAGE_RETURN +}; + +int sf0x_parser(char c, char *parserbuf, unsigned *parserbuf_index, enum SF0X_PARSE_STATE *state, float *dist);
\ No newline at end of file diff --git a/src/drivers/stm32/tone_alarm/tone_alarm.cpp b/src/drivers/stm32/tone_alarm/tone_alarm.cpp index 03c7bd399..8f523b390 100644 --- a/src/drivers/stm32/tone_alarm/tone_alarm.cpp +++ b/src/drivers/stm32/tone_alarm/tone_alarm.cpp @@ -337,6 +337,7 @@ ToneAlarm::ToneAlarm() : _default_tunes[TONE_ARMING_FAILURE_TUNE] = "MFT255L4<<<BAP"; _default_tunes[TONE_PARACHUTE_RELEASE_TUNE] = "MFT255L16agagagag"; // parachute release _default_tunes[TONE_EKF_WARNING_TUNE] = "MFT255L8ddd#d#eeff"; // ekf warning + _default_tunes[TONE_BARO_WARNING_TUNE] = "MFT255L4gf#fed#d"; // baro warning _tune_names[TONE_STARTUP_TUNE] = "startup"; // startup tune _tune_names[TONE_ERROR_TUNE] = "error"; // ERROR tone @@ -350,6 +351,7 @@ ToneAlarm::ToneAlarm() : _tune_names[TONE_ARMING_FAILURE_TUNE] = "arming_failure"; //fail to arm _tune_names[TONE_PARACHUTE_RELEASE_TUNE] = "parachute_release"; // parachute release _tune_names[TONE_EKF_WARNING_TUNE] = "ekf_warning"; // ekf warning + _tune_names[TONE_BARO_WARNING_TUNE] = "baro_warning"; // baro warning } ToneAlarm::~ToneAlarm() |