diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/drivers/drv_rc_input.h | 2 | ||||
-rw-r--r-- | src/drivers/px4io/px4io.cpp | 10 | ||||
-rw-r--r-- | src/drivers/stm32/drv_hrt.c | 112 | ||||
-rwxr-xr-x | src/modules/attitude_estimator_ekf/attitude_estimator_ekf_params.c | 12 | ||||
-rw-r--r-- | src/modules/px4iofirmware/controls.c | 16 | ||||
-rw-r--r-- | src/modules/px4iofirmware/protocol.h | 3 | ||||
-rw-r--r-- | src/modules/px4iofirmware/registers.c | 4 | ||||
-rw-r--r-- | src/modules/px4iofirmware/sbus.c | 2 | ||||
-rw-r--r-- | src/modules/sdlog2/sdlog2.c | 1 | ||||
-rw-r--r-- | src/modules/sdlog2/sdlog2_messages.h | 3 | ||||
-rw-r--r-- | src/modules/sensors/sensor_params.c | 16 | ||||
-rw-r--r-- | src/modules/systemlib/ppm_decode.h | 1 |
12 files changed, 113 insertions, 69 deletions
diff --git a/src/drivers/drv_rc_input.h b/src/drivers/drv_rc_input.h index 6f773b82a..03f1dfbe5 100644 --- a/src/drivers/drv_rc_input.h +++ b/src/drivers/drv_rc_input.h @@ -89,7 +89,7 @@ struct rc_input_values { /** number of channels actually being seen */ uint32_t channel_count; - /** receive signal strength indicator (RSSI): < 0: Undefined, 0: no signal, 1000: full reception */ + /** receive signal strength indicator (RSSI): < 0: Undefined, 0: no signal, 255: full reception */ int32_t rssi; /** Input source */ diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp index 4e9daf910..9812ea497 100644 --- a/src/drivers/px4io/px4io.cpp +++ b/src/drivers/px4io/px4io.cpp @@ -1801,6 +1801,16 @@ PX4IO::print_status() printf(" %u", io_reg_get(PX4IO_PAGE_RAW_RC_INPUT, PX4IO_P_RAW_RC_BASE + i)); printf("\n"); + + if (raw_inputs > 0) { + int frame_len = io_reg_get(PX4IO_PAGE_STATUS, PX4IO_P_STATUS_RC_DATA); + printf("RC data (PPM frame len) %u us\n", frame_len); + + if ((frame_len - raw_inputs * 2000 - 3000) < 0) { + printf("WARNING WARNING WARNING! This RC receiver does not allow safe frame detection.\n"); + } + } + uint16_t mapped_inputs = io_reg_get(PX4IO_PAGE_RC_INPUT, PX4IO_P_RC_VALID); printf("mapped R/C inputs 0x%04x", mapped_inputs); diff --git a/src/drivers/stm32/drv_hrt.c b/src/drivers/stm32/drv_hrt.c index 36226c941..b7c9b89a4 100644 --- a/src/drivers/stm32/drv_hrt.c +++ b/src/drivers/stm32/drv_hrt.c @@ -1,6 +1,6 @@ /**************************************************************************** * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * Copyright (c) 2012, 2013 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 @@ -168,7 +168,7 @@ # error HRT_TIMER_CLOCK must be greater than 1MHz #endif -/* +/** * Minimum/maximum deadlines. * * These are suitable for use with a 16-bit timer/counter clocked @@ -276,12 +276,16 @@ static void hrt_call_invoke(void); * Specific registers and bits used by PPM sub-functions */ #ifdef HRT_PPM_CHANNEL -/* +/* * If the timer hardware doesn't support GTIM_CCER_CCxNP, then we will work around it. * * Note that we assume that M3 means STM32F1 (since we don't really care about the F2). */ # ifdef CONFIG_ARCH_CORTEXM3 +# undef GTIM_CCER_CC1NP +# undef GTIM_CCER_CC2NP +# undef GTIM_CCER_CC3NP +# undef GTIM_CCER_CC4NP # define GTIM_CCER_CC1NP 0 # define GTIM_CCER_CC2NP 0 # define GTIM_CCER_CC3NP 0 @@ -332,19 +336,21 @@ static void hrt_call_invoke(void); /* * PPM decoder tuning parameters */ -# define PPM_MAX_PULSE_WIDTH 550 /* maximum width of a valid pulse */ -# define PPM_MIN_CHANNEL_VALUE 800 /* shortest valid channel signal */ -# define PPM_MAX_CHANNEL_VALUE 2200 /* longest valid channel signal */ -# define PPM_MIN_START 2500 /* shortest valid start gap */ +# define PPM_MIN_PULSE_WIDTH 200 /**< minimum width of a valid first pulse */ +# define PPM_MAX_PULSE_WIDTH 600 /**< maximum width of a valid first pulse */ +# define PPM_MIN_CHANNEL_VALUE 800 /**< shortest valid channel signal */ +# define PPM_MAX_CHANNEL_VALUE 2200 /**< longest valid channel signal */ +# define PPM_MIN_START 2300 /**< shortest valid start gap (only 2nd part of pulse) */ /* decoded PPM buffer */ #define PPM_MIN_CHANNELS 5 #define PPM_MAX_CHANNELS 20 -/* Number of same-sized frames required to 'lock' */ -#define PPM_CHANNEL_LOCK 2 /* should be less than the input timeout */ +/** Number of same-sized frames required to 'lock' */ +#define PPM_CHANNEL_LOCK 4 /**< should be less than the input timeout */ __EXPORT uint16_t ppm_buffer[PPM_MAX_CHANNELS]; +__EXPORT uint16_t ppm_frame_length = 0; __EXPORT unsigned ppm_decoded_channels = 0; __EXPORT uint64_t ppm_last_valid_decode = 0; @@ -358,11 +364,12 @@ unsigned ppm_pulse_next; static uint16_t ppm_temp_buffer[PPM_MAX_CHANNELS]; -/* PPM decoder state machine */ +/** PPM decoder state machine */ struct { - uint16_t last_edge; /* last capture time */ - uint16_t last_mark; /* last significant edge */ - unsigned next_channel; + uint16_t last_edge; /**< last capture time */ + uint16_t last_mark; /**< last significant edge */ + uint16_t frame_start; /**< the frame width */ + unsigned next_channel; /**< next channel index */ enum { UNSYNCH = 0, ARM, @@ -384,7 +391,7 @@ static void hrt_ppm_decode(uint32_t status); # define CCER_PPM 0 #endif /* HRT_PPM_CHANNEL */ -/* +/** * Initialise the timer we are going to use. * * We expect that we'll own one of the reduced-function STM32 general @@ -430,7 +437,7 @@ hrt_tim_init(void) } #ifdef HRT_PPM_CHANNEL -/* +/** * Handle the PPM decoder state machine. */ static void @@ -447,7 +454,6 @@ hrt_ppm_decode(uint32_t status) /* how long since the last edge? - this handles counter wrapping implicitely. */ width = count - ppm.last_edge; - ppm.last_edge = count; ppm_edge_history[ppm_edge_next++] = width; @@ -491,6 +497,7 @@ hrt_ppm_decode(uint32_t status) ppm_buffer[i] = ppm_temp_buffer[i]; ppm_last_valid_decode = hrt_absolute_time(); + } } @@ -500,29 +507,39 @@ hrt_ppm_decode(uint32_t status) /* next edge is the reference for the first channel */ ppm.phase = ARM; + ppm.last_edge = count; return; } switch (ppm.phase) { case UNSYNCH: /* we are waiting for a start pulse - nothing useful to do here */ - return; + break; case ARM: /* we expect a pulse giving us the first mark */ - if (width > PPM_MAX_PULSE_WIDTH) - goto error; /* pulse was too long */ + if (width < PPM_MIN_PULSE_WIDTH || width > PPM_MAX_PULSE_WIDTH) + goto error; /* pulse was too short or too long */ /* record the mark timing, expect an inactive edge */ - ppm.last_mark = count; - ppm.phase = INACTIVE; - return; + ppm.last_mark = ppm.last_edge; + + /* frame length is everything including the start gap */ + ppm_frame_length = (uint16_t)(ppm.last_edge - ppm.frame_start); + ppm.frame_start = ppm.last_edge; + ppm.phase = ACTIVE; + break; case INACTIVE: + + /* we expect a short pulse */ + if (width < PPM_MIN_PULSE_WIDTH || width > PPM_MAX_PULSE_WIDTH) + goto error; /* pulse was too short or too long */ + /* this edge is not interesting, but now we are ready for the next mark */ ppm.phase = ACTIVE; - return; + break; case ACTIVE: /* determine the interval from the last mark */ @@ -543,10 +560,13 @@ hrt_ppm_decode(uint32_t status) ppm_temp_buffer[ppm.next_channel++] = interval; ppm.phase = INACTIVE; - return; + break; } + ppm.last_edge = count; + return; + /* the state machine is corrupted; reset it */ error: @@ -557,7 +577,7 @@ error: } #endif /* HRT_PPM_CHANNEL */ -/* +/** * Handle the compare interupt by calling the callout dispatcher * and then re-scheduling the next deadline. */ @@ -586,6 +606,7 @@ hrt_tim_isr(int irq, void *context) hrt_ppm_decode(status); } + #endif /* was this a timer tick? */ @@ -604,7 +625,7 @@ hrt_tim_isr(int irq, void *context) return OK; } -/* +/** * Fetch a never-wrapping absolute time value in microseconds from * some arbitrary epoch shortly after system start. */ @@ -651,7 +672,7 @@ hrt_absolute_time(void) return abstime; } -/* +/** * Convert a timespec to absolute time */ hrt_abstime @@ -665,7 +686,7 @@ ts_to_abstime(struct timespec *ts) return result; } -/* +/** * Convert absolute time to a timespec. */ void @@ -676,7 +697,7 @@ abstime_to_ts(struct timespec *ts, hrt_abstime abstime) ts->tv_nsec = abstime * 1000; } -/* +/** * Compare a time value with the current time. */ hrt_abstime @@ -691,7 +712,7 @@ hrt_elapsed_time(const volatile hrt_abstime *then) return delta; } -/* +/** * Store the absolute time in an interrupt-safe fashion */ hrt_abstime @@ -706,7 +727,7 @@ hrt_store_absolute_time(volatile hrt_abstime *now) return ts; } -/* +/** * Initalise the high-resolution timing module. */ void @@ -721,7 +742,7 @@ hrt_init(void) #endif } -/* +/** * Call callout(arg) after interval has elapsed. */ void @@ -734,7 +755,7 @@ hrt_call_after(struct hrt_call *entry, hrt_abstime delay, hrt_callout callout, v arg); } -/* +/** * Call callout(arg) at calltime. */ void @@ -743,7 +764,7 @@ hrt_call_at(struct hrt_call *entry, hrt_abstime calltime, hrt_callout callout, v hrt_call_internal(entry, calltime, 0, callout, arg); } -/* +/** * Call callout(arg) every period. */ void @@ -762,13 +783,13 @@ hrt_call_internal(struct hrt_call *entry, hrt_abstime deadline, hrt_abstime inte irqstate_t flags = irqsave(); /* if the entry is currently queued, remove it */ - /* note that we are using a potentially uninitialised - entry->link here, but it is safe as sq_rem() doesn't - dereference the passed node unless it is found in the - list. So we potentially waste a bit of time searching the - queue for the uninitialised entry->link but we don't do - anything actually unsafe. - */ + /* note that we are using a potentially uninitialised + entry->link here, but it is safe as sq_rem() doesn't + dereference the passed node unless it is found in the + list. So we potentially waste a bit of time searching the + queue for the uninitialised entry->link but we don't do + anything actually unsafe. + */ if (entry->deadline != 0) sq_rem(&entry->link, &callout_queue); @@ -782,7 +803,7 @@ hrt_call_internal(struct hrt_call *entry, hrt_abstime deadline, hrt_abstime inte irqrestore(flags); } -/* +/** * If this returns true, the call has been invoked and removed from the callout list. * * Always returns false for repeating callouts. @@ -793,7 +814,7 @@ hrt_called(struct hrt_call *entry) return (entry->deadline == 0); } -/* +/** * Remove the entry from the callout list. */ void @@ -876,17 +897,18 @@ hrt_call_invoke(void) /* if the callout has a non-zero period, it has to be re-entered */ if (call->period != 0) { // re-check call->deadline to allow for - // callouts to re-schedule themselves + // callouts to re-schedule themselves // using hrt_call_delay() if (call->deadline <= now) { call->deadline = deadline + call->period; } + hrt_call_enter(call); } } } -/* +/** * Reschedule the next timer interrupt. * * This routine must be called with interrupts disabled. diff --git a/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_params.c b/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_params.c index 52dac652b..e1280445b 100755 --- a/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_params.c +++ b/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_params.c @@ -52,11 +52,13 @@ PARAM_DEFINE_FLOAT(EKF_ATT_V3_Q3, 0.005f); PARAM_DEFINE_FLOAT(EKF_ATT_V3_Q4, 0.0f); /* gyro measurement noise */ -PARAM_DEFINE_FLOAT(EKF_ATT_V3_R0, 0.0008f); -PARAM_DEFINE_FLOAT(EKF_ATT_V3_R1, 10000.0f); -PARAM_DEFINE_FLOAT(EKF_ATT_V3_R2, 1.0f); -/* accelerometer measurement noise */ -PARAM_DEFINE_FLOAT(EKF_ATT_V3_R3, 0.0f); +PARAM_DEFINE_FLOAT(EKF_ATT_V4_R0, 0.0008f); +/* accel measurement noise */ +PARAM_DEFINE_FLOAT(EKF_ATT_V4_R1, 10000.0f); +/* mag measurement noise */ +PARAM_DEFINE_FLOAT(EKF_ATT_V4_R2, 100.0f); +/* offset estimation - UNUSED */ +PARAM_DEFINE_FLOAT(EKF_ATT_V4_R3, 0.0f); /* offsets in roll, pitch and yaw of sensor plane and body */ PARAM_DEFINE_FLOAT(ATT_ROLL_OFF3, 0.0f); diff --git a/src/modules/px4iofirmware/controls.c b/src/modules/px4iofirmware/controls.c index f630b6f2a..541eed0e1 100644 --- a/src/modules/px4iofirmware/controls.c +++ b/src/modules/px4iofirmware/controls.c @@ -50,7 +50,7 @@ #define RC_CHANNEL_HIGH_THRESH 5000 #define RC_CHANNEL_LOW_THRESH -5000 -static bool ppm_input(uint16_t *values, uint16_t *num_values); +static bool ppm_input(uint16_t *values, uint16_t *num_values, uint16_t *frame_len); static perf_counter_t c_gather_dsm; static perf_counter_t c_gather_sbus; @@ -94,7 +94,7 @@ controls_tick() { * other. Don't do that. */ - /* receive signal strenght indicator (RSSI). 0 = no connection, 1000: perfect connection */ + /* receive signal strenght indicator (RSSI). 0 = no connection, 255: perfect connection */ uint16_t rssi = 0; perf_begin(c_gather_dsm); @@ -108,7 +108,7 @@ controls_tick() { else r_status_flags &= ~PX4IO_P_STATUS_FLAGS_RC_DSM11; - rssi = 1000; + rssi = 255; } perf_end(c_gather_dsm); @@ -125,11 +125,11 @@ controls_tick() { * disable the PPM decoder completely if we have S.bus signal. */ perf_begin(c_gather_ppm); - bool ppm_updated = ppm_input(r_raw_rc_values, &r_raw_rc_count); + bool ppm_updated = ppm_input(r_raw_rc_values, &r_raw_rc_count, &r_page_status[PX4IO_P_STATUS_RC_DATA]); if (ppm_updated) { /* XXX sample RSSI properly here */ - rssi = 1000; + rssi = 255; r_status_flags |= PX4IO_P_STATUS_FLAGS_RC_PPM; } @@ -321,7 +321,7 @@ controls_tick() { } static bool -ppm_input(uint16_t *values, uint16_t *num_values) +ppm_input(uint16_t *values, uint16_t *num_values, uint16_t *frame_len) { bool result = false; @@ -345,6 +345,10 @@ ppm_input(uint16_t *values, uint16_t *num_values) /* clear validity */ ppm_last_valid_decode = 0; + /* store PPM frame length */ + if (num_values) + *frame_len = ppm_frame_length; + /* good if we got any channels */ result = (*num_values > 0); } diff --git a/src/modules/px4iofirmware/protocol.h b/src/modules/px4iofirmware/protocol.h index c10f0167c..e5bef6eb3 100644 --- a/src/modules/px4iofirmware/protocol.h +++ b/src/modules/px4iofirmware/protocol.h @@ -128,7 +128,8 @@ #define PX4IO_P_STATUS_VSERVO 6 /* [2] servo rail voltage in mV */ #define PX4IO_P_STATUS_VRSSI 7 /* [2] RSSI voltage */ #define PX4IO_P_STATUS_PRSSI 8 /* [2] RSSI PWM value */ -#define PX4IO_P_STATUS_NRSSI 9 /* [2] Normalized RSSI value, 0: no reception, 1000: perfect reception */ +#define PX4IO_P_STATUS_NRSSI 9 /* [2] Normalized RSSI value, 0: no reception, 255: perfect reception */ +#define PX4IO_P_STATUS_RC_DATA 10 /* [1] + [2] Details about the RC source (PPM frame length, Spektrum protocol type) */ /* array of post-mix actuator outputs, -10000..10000 */ #define PX4IO_PAGE_ACTUATORS 2 /* 0..CONFIG_ACTUATOR_COUNT-1 */ diff --git a/src/modules/px4iofirmware/registers.c b/src/modules/px4iofirmware/registers.c index 916b893c4..7ef1aa309 100644 --- a/src/modules/px4iofirmware/registers.c +++ b/src/modules/px4iofirmware/registers.c @@ -89,7 +89,9 @@ uint16_t r_page_status[] = { [PX4IO_P_STATUS_IBATT] = 0, [PX4IO_P_STATUS_VSERVO] = 0, [PX4IO_P_STATUS_VRSSI] = 0, - [PX4IO_P_STATUS_PRSSI] = 0 + [PX4IO_P_STATUS_PRSSI] = 0, + [PX4IO_P_STATUS_NRSSI] = 0, + [PX4IO_P_STATUS_RC_DATA] = 0 }; /** diff --git a/src/modules/px4iofirmware/sbus.c b/src/modules/px4iofirmware/sbus.c index 6aca2bd11..11ccd7356 100644 --- a/src/modules/px4iofirmware/sbus.c +++ b/src/modules/px4iofirmware/sbus.c @@ -280,7 +280,7 @@ sbus_decode(hrt_abstime frame_time, uint16_t *values, uint16_t *num_values, uint *rssi = 100; // XXX magic number indicating bad signal, but not a signal loss (yet) } - *rssi = 1000; + *rssi = 255; return true; } diff --git a/src/modules/sdlog2/sdlog2.c b/src/modules/sdlog2/sdlog2.c index 2adb13f5c..e94b1e13c 100644 --- a/src/modules/sdlog2/sdlog2.c +++ b/src/modules/sdlog2/sdlog2.c @@ -1193,6 +1193,7 @@ int sdlog2_thread_main(int argc, char *argv[]) log_msg.msg_type = LOG_RC_MSG; /* Copy only the first 8 channels of 14 */ memcpy(log_msg.body.log_RC.channel, buf.rc.chan, sizeof(log_msg.body.log_RC.channel)); + log_msg.body.log_RC.channel_count = buf.rc.chan_count; LOGBUFFER_WRITE_AND_COUNT(RC); } diff --git a/src/modules/sdlog2/sdlog2_messages.h b/src/modules/sdlog2/sdlog2_messages.h index 90093a407..ab4dc9b00 100644 --- a/src/modules/sdlog2/sdlog2_messages.h +++ b/src/modules/sdlog2/sdlog2_messages.h @@ -159,6 +159,7 @@ struct log_STAT_s { #define LOG_RC_MSG 11 struct log_RC_s { float channel[8]; + uint8_t channel_count; }; /* --- OUT0 - ACTUATOR_0 OUTPUT --- */ @@ -281,7 +282,7 @@ static const struct log_format_s log_formats[] = { LOG_FORMAT(GPS, "QBffLLfffff", "GPSTime,FixType,EPH,EPV,Lat,Lon,Alt,VelN,VelE,VelD,Cog"), LOG_FORMAT(ATTC, "ffff", "Roll,Pitch,Yaw,Thrust"), LOG_FORMAT(STAT, "BBBfffBB", "MainState,NavState,ArmState,BatV,BatC,BatRem,BatWarn,Landed"), - LOG_FORMAT(RC, "ffffffff", "Ch0,Ch1,Ch2,Ch3,Ch4,Ch5,Ch6,Ch7"), + LOG_FORMAT(RC, "ffffffffB", "Ch0,Ch1,Ch2,Ch3,Ch4,Ch5,Ch6,Ch7,Count"), LOG_FORMAT(OUT0, "ffffffff", "Out0,Out1,Out2,Out3,Out4,Out5,Out6,Out7"), LOG_FORMAT(AIRS, "ff", "IndSpeed,TrueSpeed"), LOG_FORMAT(ARSP, "fff", "RollRateSP,PitchRateSP,YawRateSP"), diff --git a/src/modules/sensors/sensor_params.c b/src/modules/sensors/sensor_params.c index c54128cb5..763723554 100644 --- a/src/modules/sensors/sensor_params.c +++ b/src/modules/sensors/sensor_params.c @@ -104,49 +104,49 @@ PARAM_DEFINE_FLOAT(RC1_MIN, 1000.0f); PARAM_DEFINE_FLOAT(RC1_TRIM, 1500.0f); PARAM_DEFINE_FLOAT(RC1_MAX, 2000.0f); PARAM_DEFINE_FLOAT(RC1_REV, 1.0f); -PARAM_DEFINE_FLOAT(RC1_DZ, 0.0f); +PARAM_DEFINE_FLOAT(RC1_DZ, 10.0f); PARAM_DEFINE_FLOAT(RC2_MIN, 1000); PARAM_DEFINE_FLOAT(RC2_TRIM, 1500); PARAM_DEFINE_FLOAT(RC2_MAX, 2000); PARAM_DEFINE_FLOAT(RC2_REV, 1.0f); -PARAM_DEFINE_FLOAT(RC2_DZ, 0.0f); +PARAM_DEFINE_FLOAT(RC2_DZ, 10.0f); PARAM_DEFINE_FLOAT(RC3_MIN, 1000); PARAM_DEFINE_FLOAT(RC3_TRIM, 1500); PARAM_DEFINE_FLOAT(RC3_MAX, 2000); PARAM_DEFINE_FLOAT(RC3_REV, 1.0f); -PARAM_DEFINE_FLOAT(RC3_DZ, 0.0f); +PARAM_DEFINE_FLOAT(RC3_DZ, 10.0f); PARAM_DEFINE_FLOAT(RC4_MIN, 1000); PARAM_DEFINE_FLOAT(RC4_TRIM, 1500); PARAM_DEFINE_FLOAT(RC4_MAX, 2000); PARAM_DEFINE_FLOAT(RC4_REV, 1.0f); -PARAM_DEFINE_FLOAT(RC4_DZ, 30.0f); +PARAM_DEFINE_FLOAT(RC4_DZ, 10.0f); PARAM_DEFINE_FLOAT(RC5_MIN, 1000); PARAM_DEFINE_FLOAT(RC5_TRIM, 1500); PARAM_DEFINE_FLOAT(RC5_MAX, 2000); PARAM_DEFINE_FLOAT(RC5_REV, 1.0f); -PARAM_DEFINE_FLOAT(RC5_DZ, 0.0f); +PARAM_DEFINE_FLOAT(RC5_DZ, 10.0f); PARAM_DEFINE_FLOAT(RC6_MIN, 1000); PARAM_DEFINE_FLOAT(RC6_TRIM, 1500); PARAM_DEFINE_FLOAT(RC6_MAX, 2000); PARAM_DEFINE_FLOAT(RC6_REV, 1.0f); -PARAM_DEFINE_FLOAT(RC6_DZ, 0.0f); +PARAM_DEFINE_FLOAT(RC6_DZ, 10.0f); PARAM_DEFINE_FLOAT(RC7_MIN, 1000); PARAM_DEFINE_FLOAT(RC7_TRIM, 1500); PARAM_DEFINE_FLOAT(RC7_MAX, 2000); PARAM_DEFINE_FLOAT(RC7_REV, 1.0f); -PARAM_DEFINE_FLOAT(RC7_DZ, 0.0f); +PARAM_DEFINE_FLOAT(RC7_DZ, 10.0f); PARAM_DEFINE_FLOAT(RC8_MIN, 1000); PARAM_DEFINE_FLOAT(RC8_TRIM, 1500); PARAM_DEFINE_FLOAT(RC8_MAX, 2000); PARAM_DEFINE_FLOAT(RC8_REV, 1.0f); -PARAM_DEFINE_FLOAT(RC8_DZ, 0.0f); +PARAM_DEFINE_FLOAT(RC8_DZ, 10.0f); PARAM_DEFINE_FLOAT(RC9_MIN, 1000); PARAM_DEFINE_FLOAT(RC9_TRIM, 1500); diff --git a/src/modules/systemlib/ppm_decode.h b/src/modules/systemlib/ppm_decode.h index 6c5e15345..5a1ad84da 100644 --- a/src/modules/systemlib/ppm_decode.h +++ b/src/modules/systemlib/ppm_decode.h @@ -57,6 +57,7 @@ __BEGIN_DECLS * PPM decoder state */ __EXPORT extern uint16_t ppm_buffer[PPM_MAX_CHANNELS]; /**< decoded PPM channel values */ +__EXPORT extern uint16_t ppm_frame_length; /**< length of the decoded PPM frame (includes gap) */ __EXPORT extern unsigned ppm_decoded_channels; /**< count of decoded channels */ __EXPORT extern hrt_abstime ppm_last_valid_decode; /**< timestamp of the last valid decode */ |