diff options
Diffstat (limited to 'src/drivers')
-rw-r--r-- | src/drivers/boards/px4fmu-v1/board_config.h | 3 | ||||
-rw-r--r-- | src/drivers/boards/px4fmu-v2/board_config.h | 7 | ||||
-rw-r--r-- | src/drivers/boards/px4fmu-v2/px4fmu2_init.c | 12 | ||||
-rw-r--r-- | src/drivers/boards/px4fmu-v2/px4fmu_spi.c | 35 | ||||
-rw-r--r-- | src/drivers/drv_io_expander.h | 71 | ||||
-rw-r--r-- | src/drivers/ets_airspeed/ets_airspeed.cpp | 10 | ||||
-rw-r--r-- | src/drivers/gps/gps.cpp | 6 | ||||
-rw-r--r-- | src/drivers/gps/gps_helper.cpp | 4 | ||||
-rw-r--r-- | src/drivers/gps/gps_helper.h | 8 | ||||
-rw-r--r-- | src/drivers/gps/ubx.cpp | 51 | ||||
-rw-r--r-- | src/drivers/gps/ubx.h | 28 | ||||
-rw-r--r-- | src/drivers/pca8574/module.mk | 6 | ||||
-rw-r--r-- | src/drivers/pca8574/pca8574.cpp | 554 | ||||
-rw-r--r-- | src/drivers/px4fmu/fmu.cpp | 9 | ||||
-rw-r--r-- | src/drivers/px4io/px4io.cpp | 6 |
15 files changed, 776 insertions, 34 deletions
diff --git a/src/drivers/boards/px4fmu-v1/board_config.h b/src/drivers/boards/px4fmu-v1/board_config.h index 58273f2d2..c944007a5 100644 --- a/src/drivers/boards/px4fmu-v1/board_config.h +++ b/src/drivers/boards/px4fmu-v1/board_config.h @@ -86,6 +86,7 @@ __BEGIN_DECLS #define GPIO_SPI_CS_SDCARD (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTA|GPIO_PIN4) #define PX4_SPI_BUS_SENSORS 1 +#define PX4_SPI_BUS_EXT 2 /* * Use these in place of the spi_dev_e enumeration to @@ -98,7 +99,7 @@ __BEGIN_DECLS /* * Optional devices on IO's external port */ -#define PX4_SPIDEV_ACCEL_MAG 2 +#define PX4_SPIDEV_ACCEL_MAG 2 /* * I2C busses diff --git a/src/drivers/boards/px4fmu-v2/board_config.h b/src/drivers/boards/px4fmu-v2/board_config.h index c2de1bfba..36eb7bec4 100644 --- a/src/drivers/boards/px4fmu-v2/board_config.h +++ b/src/drivers/boards/px4fmu-v2/board_config.h @@ -106,8 +106,11 @@ __BEGIN_DECLS #define GPIO_SPI_CS_BARO (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_SET|GPIO_PORTD|GPIO_PIN7) #define GPIO_SPI_CS_FRAM (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_SET|GPIO_PORTD|GPIO_PIN10) #define GPIO_SPI_CS_MPU (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_SET|GPIO_PORTC|GPIO_PIN2) +#define GPIO_SPI_CS_EXT0 (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTE|GPIO_PIN4) +#define GPIO_SPI_CS_EXT1 (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTC|GPIO_PIN14) #define PX4_SPI_BUS_SENSORS 1 +#define PX4_SPI_BUS_EXT 4 /* Use these in place of the spi_dev_e enumeration to select a specific SPI device on SPI1 */ #define PX4_SPIDEV_GYRO 1 @@ -115,6 +118,10 @@ __BEGIN_DECLS #define PX4_SPIDEV_BARO 3 #define PX4_SPIDEV_MPU 4 +/* External bus */ +#define PX4_SPIDEV_EXT0 1 +#define PX4_SPIDEV_EXT1 2 + /* I2C busses */ #define PX4_I2C_BUS_EXPANSION 1 #define PX4_I2C_BUS_LED 2 diff --git a/src/drivers/boards/px4fmu-v2/px4fmu2_init.c b/src/drivers/boards/px4fmu-v2/px4fmu2_init.c index 71414d62c..bf41bb1fe 100644 --- a/src/drivers/boards/px4fmu-v2/px4fmu2_init.c +++ b/src/drivers/boards/px4fmu-v2/px4fmu2_init.c @@ -192,6 +192,7 @@ stm32_boardinitialize(void) static struct spi_dev_s *spi1; static struct spi_dev_s *spi2; +static struct spi_dev_s *spi4; static struct sdio_dev_s *sdio; #include <math.h> @@ -305,6 +306,17 @@ __EXPORT int nsh_archinitialize(void) message("[boot] Initialized SPI port 2 (RAMTRON FRAM)\n"); + spi4 = up_spiinitialize(4); + + /* Default SPI4 to 1MHz and de-assert the known chip selects. */ + SPI_SETFREQUENCY(spi4, 10000000); + SPI_SETBITS(spi4, 8); + SPI_SETMODE(spi4, SPIDEV_MODE3); + SPI_SELECT(spi4, PX4_SPIDEV_EXT0, false); + SPI_SELECT(spi4, PX4_SPIDEV_EXT1, false); + + message("[boot] Initialized SPI port 4\n"); + #ifdef CONFIG_MMCSD /* First, get an instance of the SDIO interface */ diff --git a/src/drivers/boards/px4fmu-v2/px4fmu_spi.c b/src/drivers/boards/px4fmu-v2/px4fmu_spi.c index c66c490a7..01dbd6e77 100644 --- a/src/drivers/boards/px4fmu-v2/px4fmu_spi.c +++ b/src/drivers/boards/px4fmu-v2/px4fmu_spi.c @@ -94,6 +94,13 @@ __EXPORT void weak_function stm32_spiinitialize(void) stm32_configgpio(GPIO_SPI_CS_FRAM); stm32_gpiowrite(GPIO_SPI_CS_FRAM, 1); #endif + +#ifdef CONFIG_STM32_SPI4 + stm32_configgpio(GPIO_SPI_CS_EXT0); + stm32_configgpio(GPIO_SPI_CS_EXT1); + stm32_gpiowrite(GPIO_SPI_CS_EXT0, 1); + stm32_gpiowrite(GPIO_SPI_CS_EXT1, 1); +#endif } __EXPORT void stm32_spi1select(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected) @@ -157,3 +164,31 @@ __EXPORT uint8_t stm32_spi2status(FAR struct spi_dev_s *dev, enum spi_dev_e devi return SPI_STATUS_PRESENT; } #endif + +__EXPORT void stm32_spi4select(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected) +{ + /* SPI select is active low, so write !selected to select the device */ + + switch (devid) { + case PX4_SPIDEV_EXT0: + /* Making sure the other peripherals are not selected */ + stm32_gpiowrite(GPIO_SPI_CS_EXT0, !selected); + stm32_gpiowrite(GPIO_SPI_CS_EXT1, 1); + break; + + case PX4_SPIDEV_EXT1: + /* Making sure the other peripherals are not selected */ + stm32_gpiowrite(GPIO_SPI_CS_EXT1, !selected); + stm32_gpiowrite(GPIO_SPI_CS_EXT0, 1); + break; + + default: + break; + + } +} + +__EXPORT uint8_t stm32_spi4status(FAR struct spi_dev_s *dev, enum spi_dev_e devid) +{ + return SPI_STATUS_PRESENT; +} diff --git a/src/drivers/drv_io_expander.h b/src/drivers/drv_io_expander.h new file mode 100644 index 000000000..106354377 --- /dev/null +++ b/src/drivers/drv_io_expander.h @@ -0,0 +1,71 @@ +/**************************************************************************** + * + * 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 drv_io_expander.h + * + * IO expander device API + */ + +#pragma once + +#include <stdint.h> +#include <sys/ioctl.h> + +/* + * ioctl() definitions + */ + +#define _IOXIOCBASE (0x2800) +#define _IOXIOC(_n) (_IOC(_IOXIOCBASE, _n)) + +/** set a bitmask (non-blocking) */ +#define IOX_SET_MASK _IOXIOC(1) + +/** get a bitmask (blocking) */ +#define IOX_GET_MASK _IOXIOC(2) + +/** set device mode (non-blocking) */ +#define IOX_SET_MODE _IOXIOC(3) + +/** set constant values (non-blocking) */ +#define IOX_SET_VALUE _IOXIOC(4) + +/* ... to IOX_SET_VALUE + 8 */ + +/* enum passed to RGBLED_SET_MODE ioctl()*/ +enum IOX_MODE { + IOX_MODE_OFF, + IOX_MODE_ON, + IOX_MODE_TEST_OUT +}; diff --git a/src/drivers/ets_airspeed/ets_airspeed.cpp b/src/drivers/ets_airspeed/ets_airspeed.cpp index 146a06e7c..2de7063ea 100644 --- a/src/drivers/ets_airspeed/ets_airspeed.cpp +++ b/src/drivers/ets_airspeed/ets_airspeed.cpp @@ -154,8 +154,9 @@ ETSAirspeed::collect() return ret; } - uint16_t diff_pres_pa = val[1] << 8 | val[0]; - if (diff_pres_pa == 0) { + 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 // caller could end up using this value as part of an @@ -165,10 +166,10 @@ ETSAirspeed::collect() return -1; } - if (diff_pres_pa < _diff_pres_offset + MIN_ACCURATE_DIFF_PRES_PA) { + if (diff_pres_pa_raw < _diff_pres_offset + MIN_ACCURATE_DIFF_PRES_PA) { diff_pres_pa = 0; } else { - diff_pres_pa -= _diff_pres_offset; + diff_pres_pa = diff_pres_pa_raw - _diff_pres_offset; } // Track maximum differential pressure measured (so we can work out top speed). @@ -183,6 +184,7 @@ ETSAirspeed::collect() // 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.temperature = -1000.0f; report.voltage = 0; report.max_differential_pressure_pa = _max_differential_pressure_pa; diff --git a/src/drivers/gps/gps.cpp b/src/drivers/gps/gps.cpp index 6195cd6ea..5342ccf78 100644 --- a/src/drivers/gps/gps.cpp +++ b/src/drivers/gps/gps.cpp @@ -448,10 +448,10 @@ GPS::print_info() warnx("port: %s, baudrate: %d, status: %s", _port, _baudrate, (_healthy) ? "OK" : "NOT OK"); if (_report.timestamp_position != 0) { - warnx("position lock: %dD, satellites: %d, last update: %fms ago", (int)_report.fix_type, - _report.satellites_visible, (hrt_absolute_time() - _report.timestamp_position) / 1000.0f); + warnx("position lock: %dD, satellites: %d, last update: %8.4fms ago", (int)_report.fix_type, + _report.satellites_visible, (double)(hrt_absolute_time() - _report.timestamp_position) / 1000.0f); warnx("lat: %d, lon: %d, alt: %d", _report.lat, _report.lon, _report.alt); - warnx("eph: %.2fm, epv: %.2fm", _report.eph_m, _report.epv_m); + warnx("eph: %.2fm, epv: %.2fm", (double)_report.eph_m, (double)_report.epv_m); warnx("rate position: \t%6.2f Hz", (double)_Helper->get_position_update_rate()); warnx("rate velocity: \t%6.2f Hz", (double)_Helper->get_velocity_update_rate()); warnx("rate publication:\t%6.2f Hz", (double)_rate); diff --git a/src/drivers/gps/gps_helper.cpp b/src/drivers/gps/gps_helper.cpp index 2360ff39b..3b92f1bf4 100644 --- a/src/drivers/gps/gps_helper.cpp +++ b/src/drivers/gps/gps_helper.cpp @@ -56,7 +56,7 @@ GPS_Helper::get_velocity_update_rate() return _rate_vel; } -float +void GPS_Helper::reset_update_rates() { _rate_count_vel = 0; @@ -64,7 +64,7 @@ GPS_Helper::reset_update_rates() _interval_rate_start = hrt_absolute_time(); } -float +void GPS_Helper::store_update_rates() { _rate_vel = _rate_count_vel / (((float)(hrt_absolute_time() - _interval_rate_start)) / 1000000.0f); diff --git a/src/drivers/gps/gps_helper.h b/src/drivers/gps/gps_helper.h index cfb9e0d43..d14a95afe 100644 --- a/src/drivers/gps/gps_helper.h +++ b/src/drivers/gps/gps_helper.h @@ -46,13 +46,17 @@ class GPS_Helper { public: + + GPS_Helper() {}; + virtual ~GPS_Helper() {}; + virtual int configure(unsigned &baud) = 0; virtual int receive(unsigned timeout) = 0; int set_baudrate(const int &fd, unsigned baud); float get_position_update_rate(); float get_velocity_update_rate(); - float reset_update_rates(); - float store_update_rates(); + void reset_update_rates(); + void store_update_rates(); protected: uint8_t _rate_count_lat_lon; diff --git a/src/drivers/gps/ubx.cpp b/src/drivers/gps/ubx.cpp index 8a2afecb7..7502809bd 100644 --- a/src/drivers/gps/ubx.cpp +++ b/src/drivers/gps/ubx.cpp @@ -164,7 +164,7 @@ UBX::configure(unsigned &baudrate) send_config_packet(_fd, (uint8_t *)&cfg_rate_packet, sizeof(cfg_rate_packet)); if (wait_for_ack(UBX_CONFIG_TIMEOUT) < 0) { - warnx("ubx: configuration failed: RATE"); + warnx("CFG FAIL: RATE"); return 1; } @@ -185,7 +185,7 @@ UBX::configure(unsigned &baudrate) send_config_packet(_fd, (uint8_t *)&cfg_nav5_packet, sizeof(cfg_nav5_packet)); if (wait_for_ack(UBX_CONFIG_TIMEOUT) < 0) { - warnx("ubx: configuration failed: NAV5"); + warnx("CFG FAIL: NAV5"); return 1; } @@ -194,35 +194,42 @@ UBX::configure(unsigned &baudrate) configure_message_rate(UBX_CLASS_NAV, UBX_MESSAGE_NAV_POSLLH, 1); if (wait_for_ack(UBX_CONFIG_TIMEOUT) < 0) { - warnx("ubx: msg rate configuration failed: NAV POSLLH"); + warnx("MSG CFG FAIL: NAV POSLLH"); return 1; } configure_message_rate(UBX_CLASS_NAV, UBX_MESSAGE_NAV_TIMEUTC, 1); if (wait_for_ack(UBX_CONFIG_TIMEOUT) < 0) { - warnx("ubx: msg rate configuration failed: NAV TIMEUTC"); + warnx("MSG CFG FAIL: NAV TIMEUTC"); return 1; } configure_message_rate(UBX_CLASS_NAV, UBX_MESSAGE_NAV_SOL, 1); if (wait_for_ack(UBX_CONFIG_TIMEOUT) < 0) { - warnx("ubx: msg rate configuration failed: NAV SOL"); + warnx("MSG CFG FAIL: NAV SOL"); return 1; } configure_message_rate(UBX_CLASS_NAV, UBX_MESSAGE_NAV_VELNED, 1); if (wait_for_ack(UBX_CONFIG_TIMEOUT) < 0) { - warnx("ubx: msg rate configuration failed: NAV VELNED"); + warnx("MSG CFG FAIL: NAV VELNED"); return 1; } configure_message_rate(UBX_CLASS_NAV, UBX_MESSAGE_NAV_SVINFO, 5); if (wait_for_ack(UBX_CONFIG_TIMEOUT) < 0) { - warnx("ubx: msg rate configuration failed: NAV SVINFO"); + warnx("MSG CFG FAIL: NAV SVINFO"); + return 1; + } + + configure_message_rate(UBX_CLASS_MON, UBX_MESSAGE_MON_HW, 1); + + if (wait_for_ack(UBX_CONFIG_TIMEOUT) < 0) { + warnx("MSG CFG FAIL: MON HW"); return 1; } @@ -274,7 +281,7 @@ UBX::receive(unsigned timeout) if (ret < 0) { /* something went wrong when polling */ - warnx("ubx: poll error"); + warnx("poll error"); return -1; } else if (ret == 0) { @@ -310,7 +317,7 @@ UBX::receive(unsigned timeout) /* abort after timeout if no useful packets received */ if (time_started + timeout * 1000 < hrt_absolute_time()) { - warnx("ubx: timeout - no useful messages"); + warnx("timeout - no useful messages"); return -1; } } @@ -383,7 +390,7 @@ UBX::parse_char(uint8_t b) return 1; // message received successfully } else { - warnx("ubx: checksum wrong"); + warnx("checksum wrong"); decode_init(); return -1; } @@ -392,7 +399,7 @@ UBX::parse_char(uint8_t b) _rx_count++; } else { - warnx("ubx: buffer full"); + warnx("buffer full"); decode_init(); return -1; } @@ -440,8 +447,8 @@ UBX::handle_message() gps_bin_nav_sol_packet_t *packet = (gps_bin_nav_sol_packet_t *) _rx_buffer; _gps_position->fix_type = packet->gpsFix; - _gps_position->s_variance_m_s = packet->sAcc; - _gps_position->p_variance_m = packet->pAcc; + _gps_position->s_variance_m_s = (float)packet->sAcc * 1e-2f; // from cm/s to m/s + _gps_position->p_variance_m = (float)packet->pAcc * 1e-2f; // from cm to m _gps_position->timestamp_variance = hrt_absolute_time(); ret = 1; @@ -566,6 +573,24 @@ UBX::handle_message() break; } + case UBX_CLASS_MON: { + switch (_message_id) { + case UBX_MESSAGE_MON_HW: { + + struct gps_bin_mon_hw_packet *p = (struct gps_bin_mon_hw_packet*) _rx_buffer; + + _gps_position->noise_per_ms = p->noisePerMS; + _gps_position->jamming_indicator = p->jamInd; + + ret = 1; + break; + } + + default: + break; + } + } + default: break; } diff --git a/src/drivers/gps/ubx.h b/src/drivers/gps/ubx.h index 79a904f4a..5cf47b60b 100644 --- a/src/drivers/gps/ubx.h +++ b/src/drivers/gps/ubx.h @@ -56,6 +56,7 @@ //#define UBX_CLASS_RXM 0x02 #define UBX_CLASS_ACK 0x05 #define UBX_CLASS_CFG 0x06 +#define UBX_CLASS_MON 0x0A /* MessageIDs (the ones that are used) */ #define UBX_MESSAGE_NAV_POSLLH 0x02 @@ -72,6 +73,8 @@ #define UBX_MESSAGE_CFG_RATE 0x08 #define UBX_MESSAGE_CFG_NAV5 0x24 +#define UBX_MESSAGE_MON_HW 0x09 + #define UBX_CFG_PRT_LENGTH 20 #define UBX_CFG_PRT_PAYLOAD_PORTID 0x01 /**< UART1 */ #define UBX_CFG_PRT_PAYLOAD_MODE 0x000008D0 /**< 0b0000100011010000: 8N1 */ @@ -210,6 +213,27 @@ typedef struct { uint8_t ck_b; } gps_bin_nav_velned_packet_t; +struct gps_bin_mon_hw_packet { + uint32_t pinSel; + uint32_t pinBank; + uint32_t pinDir; + uint32_t pinVal; + uint16_t noisePerMS; + uint16_t agcCnt; + uint8_t aStatus; + uint8_t aPower; + uint8_t flags; + uint8_t __reserved1; + uint32_t usedMask; + uint8_t VP[25]; + uint8_t jamInd; + uint16_t __reserved3; + uint32_t pinIrq; + uint32_t pulLH; + uint32_t pullL; +}; + + //typedef struct { // int32_t time_milliseconds; /**< Measurement integer millisecond GPS time of week */ // int16_t week; /**< Measurement GPS week number */ @@ -319,7 +343,7 @@ typedef enum { //typedef type_gps_bin_ubx_state gps_bin_ubx_state_t; #pragma pack(pop) -#define RECV_BUFFER_SIZE 500 //The NAV-SOL messages really need such a big buffer +#define RECV_BUFFER_SIZE 300 //The NAV-SOL messages really need such a big buffer class UBX : public GPS_Helper { @@ -383,7 +407,7 @@ private: uint8_t _message_class; uint8_t _message_id; unsigned _payload_size; - uint8_t _disable_cmd_last; + hrt_abstime _disable_cmd_last; }; #endif /* UBX_H_ */ diff --git a/src/drivers/pca8574/module.mk b/src/drivers/pca8574/module.mk new file mode 100644 index 000000000..825ee9bb7 --- /dev/null +++ b/src/drivers/pca8574/module.mk @@ -0,0 +1,6 @@ +# +# PCA8574 driver for RGB LED +# + +MODULE_COMMAND = pca8574 +SRCS = pca8574.cpp diff --git a/src/drivers/pca8574/pca8574.cpp b/src/drivers/pca8574/pca8574.cpp new file mode 100644 index 000000000..904ce18e8 --- /dev/null +++ b/src/drivers/pca8574/pca8574.cpp @@ -0,0 +1,554 @@ +/**************************************************************************** + * + * 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 pca8574.cpp + * + * Driver for an 8 I/O controller (PC8574) connected via I2C. + * + * @author Lorenz Meier <lm@inf.ethz.ch> + * @author Julian Oes <joes@student.ethz.ch> + * @author Anton Babushkin <anton.babushkin@me.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 <nuttx/wqueue.h> + +#include <systemlib/perf_counter.h> +#include <systemlib/err.h> +#include <systemlib/systemlib.h> + +#include <board_config.h> + +#include <drivers/drv_io_expander.h> + +#define PCA8574_ONTIME 120 +#define PCA8574_OFFTIME 120 +#define PCA8574_DEVICE_PATH "/dev/pca8574" + +#define ADDR 0x20 ///< I2C adress of PCA8574 (default, A0-A2 pulled to GND) + +class PCA8574 : public device::I2C +{ +public: + PCA8574(int bus, int pca8574); + virtual ~PCA8574(); + + + virtual int init(); + virtual int probe(); + virtual int info(); + virtual int ioctl(struct file *filp, int cmd, unsigned long arg); + bool is_running() { return _running; } + +private: + work_s _work; + + uint8_t _values_out; + uint8_t _values_in; + uint8_t _blinking; + uint8_t _blink_phase; + + enum IOX_MODE _mode; + bool _running; + int _led_interval; + bool _should_run; + bool _update_out; + int _counter; + + static void led_trampoline(void *arg); + void led(); + + int send_led_enable(uint8_t arg); + int send_led_values(); + + int get(uint8_t &vals); +}; + +/* for now, we only support one PCA8574 */ +namespace +{ +PCA8574 *g_pca8574; +} + +void pca8574_usage(); + +extern "C" __EXPORT int pca8574_main(int argc, char *argv[]); + +PCA8574::PCA8574(int bus, int pca8574) : + I2C("pca8574", PCA8574_DEVICE_PATH, bus, pca8574, 100000), + _values_out(0), + _values_in(0), + _blinking(0), + _blink_phase(0), + _mode(IOX_MODE_OFF), + _running(false), + _led_interval(80), + _should_run(false), + _update_out(false), + _counter(0) +{ + memset(&_work, 0, sizeof(_work)); +} + +PCA8574::~PCA8574() +{ +} + +int +PCA8574::init() +{ + int ret; + ret = I2C::init(); + + if (ret != OK) { + return ret; + } + + return OK; +} + +int +PCA8574::probe() +{ + uint8_t val; + return get(val); +} + +int +PCA8574::info() +{ + int ret = OK; + + return ret; +} + +int +PCA8574::ioctl(struct file *filp, int cmd, unsigned long arg) +{ + int ret = ENOTTY; + + switch (cmd) { + case IOX_SET_VALUE ...(IOX_SET_VALUE + 8): { + // set the specified on / off state + uint8_t position = (1 << (cmd - IOX_SET_VALUE)); + uint8_t prev = _values_out; + + if (arg) { + _values_out |= position; + + } else { + _values_out &= ~(position); + } + + if (_values_out != prev) { + if (_values_out) { + _mode = IOX_MODE_ON; + } + send_led_values(); + } + + return OK; + } + + case IOX_SET_MASK: + send_led_enable(arg); + return OK; + + case IOX_GET_MASK: { + uint8_t val; + ret = get(val); + + if (ret == OK) { + return val; + + } else { + return -1; + } + } + + case IOX_SET_MODE: + + if (_mode != (IOX_MODE)arg) { + + switch ((IOX_MODE)arg) { + case IOX_MODE_OFF: + _values_out = 0xFF; + break; + + case IOX_MODE_ON: + _values_out = 0; + break; + + case IOX_MODE_TEST_OUT: + break; + + default: + return -1; + } + + _mode = (IOX_MODE)arg; + send_led_values(); + } + + return OK; + + default: + // see if the parent class can make any use of it + ret = CDev::ioctl(filp, cmd, arg); + break; + } + + return ret; +} + + +void +PCA8574::led_trampoline(void *arg) +{ + PCA8574 *rgbl = reinterpret_cast<PCA8574 *>(arg); + + rgbl->led(); +} + +/** + * Main loop function + */ +void +PCA8574::led() +{ + if (_mode == IOX_MODE_TEST_OUT) { + + // we count only seven states + _counter &= 0xF; + _counter++; + + for (int i = 0; i < 8; i++) { + if (i < _counter) { + _values_out |= (1 << i); + + } else { + _values_out &= ~(1 << i); + } + } + + _update_out = true; + _should_run = true; + } else if (_mode == IOX_MODE_OFF) { + _update_out = true; + _should_run = false; + } else { + + // Any of the normal modes + if (_blinking > 0) { + /* we need to be running to blink */ + _should_run = true; + } else { + _should_run = false; + } + } + + if (_update_out) { + uint8_t msg; + + if (_blinking) { + msg = (_values_out & _blinking & _blink_phase); + + // wipe out all positions that are marked as blinking + msg &= ~(_blinking); + + // fill blink positions + msg |= ((_blink_phase) ? _blinking : 0); + + _blink_phase = !_blink_phase; + } else { + msg = _values_out; + } + + int ret = transfer(&msg, sizeof(msg), nullptr, 0); + + if (!ret) { + _update_out = false; + } + } + + // check if any activity remains, else stp + if (!_should_run) { + _running = false; + return; + } + + // re-queue ourselves to run again later + _running = true; + work_queue(LPWORK, &_work, (worker_t)&PCA8574::led_trampoline, this, _led_interval); +} + +/** + * Sent ENABLE flag to LED driver + */ +int +PCA8574::send_led_enable(uint8_t arg) +{ + + int ret = transfer(&arg, sizeof(arg), nullptr, 0); + + return ret; +} + +/** + * Send 8 outputs + */ +int +PCA8574::send_led_values() +{ + _update_out = true; + + // if not active, kick it + if (!_running) { + _running = true; + work_queue(LPWORK, &_work, (worker_t)&PCA8574::led_trampoline, this, 1); + } + + return 0; +} + +int +PCA8574::get(uint8_t &vals) +{ + uint8_t result; + int ret; + + ret = transfer(nullptr, 0, &result, 1); + + if (ret == OK) { + _values_in = result; + vals = result; + } + + return ret; +} + +void +pca8574_usage() +{ + warnx("missing command: try 'start', 'test', 'info', 'off', 'stop', 'val 0 1'"); + warnx("options:"); + warnx(" -b i2cbus (%d)", PX4_I2C_BUS_LED); + warnx(" -a addr (0x%x)", ADDR); +} + +int +pca8574_main(int argc, char *argv[]) +{ + int i2cdevice = -1; + int pca8574adr = 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': + pca8574adr = strtol(optarg, NULL, 0); + break; + + case 'b': + i2cdevice = strtol(optarg, NULL, 0); + break; + + default: + pca8574_usage(); + exit(0); + } + } + + if (optind >= argc) { + pca8574_usage(); + exit(1); + } + + const char *verb = argv[optind]; + + int fd; + int ret; + + if (!strcmp(verb, "start")) { + if (g_pca8574 != nullptr) { + errx(1, "already started"); + } + + if (i2cdevice == -1) { + // try the external bus first + i2cdevice = PX4_I2C_BUS_EXPANSION; + g_pca8574 = new PCA8574(PX4_I2C_BUS_EXPANSION, pca8574adr); + + if (g_pca8574 != nullptr && OK != g_pca8574->init()) { + delete g_pca8574; + g_pca8574 = nullptr; + } + + if (g_pca8574 == nullptr) { + // fall back to default bus + if (PX4_I2C_BUS_LED == PX4_I2C_BUS_EXPANSION) { + errx(1, "init failed"); + } + + i2cdevice = PX4_I2C_BUS_LED; + } + } + + if (g_pca8574 == nullptr) { + g_pca8574 = new PCA8574(i2cdevice, pca8574adr); + + if (g_pca8574 == nullptr) { + errx(1, "new failed"); + } + + if (OK != g_pca8574->init()) { + delete g_pca8574; + g_pca8574 = nullptr; + errx(1, "init failed"); + } + } + + exit(0); + } + + // need the driver past this point + if (g_pca8574 == nullptr) { + warnx("not started, run pca8574 start"); + exit(1); + } + + if (!strcmp(verb, "test")) { + fd = open(PCA8574_DEVICE_PATH, 0); + + if (fd == -1) { + errx(1, "Unable to open " PCA8574_DEVICE_PATH); + } + + ret = ioctl(fd, IOX_SET_MODE, (unsigned long)IOX_MODE_TEST_OUT); + + close(fd); + exit(ret); + } + + if (!strcmp(verb, "info")) { + g_pca8574->info(); + exit(0); + } + + if (!strcmp(verb, "off")) { + fd = open(PCA8574_DEVICE_PATH, 0); + + if (fd < 0) { + errx(1, "Unable to open " PCA8574_DEVICE_PATH); + } + + ret = ioctl(fd, IOX_SET_MODE, (unsigned long)IOX_MODE_OFF); + close(fd); + exit(ret); + } + + if (!strcmp(verb, "stop")) { + fd = open(PCA8574_DEVICE_PATH, 0); + + if (fd == -1) { + errx(1, "Unable to open " PCA8574_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_pca8574->is_running()) { + break; + } + + usleep(50000); + printf("."); + fflush(stdout); + } + printf("\n"); + fflush(stdout); + + if (!g_pca8574->is_running()) { + delete g_pca8574; + g_pca8574 = nullptr; + exit(0); + } else { + warnx("stop failed."); + exit(1); + } + } + + if (!strcmp(verb, "val")) { + if (argc < 4) { + errx(1, "Usage: pca8574 val <channel> <0 or 1>"); + } + + fd = open(PCA8574_DEVICE_PATH, 0); + + if (fd == -1) { + errx(1, "Unable to open " PCA8574_DEVICE_PATH); + } + + unsigned channel = strtol(argv[2], NULL, 0); + unsigned val = strtol(argv[3], NULL, 0); + + if (channel < 8) { + ret = ioctl(fd, (IOX_SET_VALUE + channel), val); + } else { + ret = -1; + } + close(fd); + exit(ret); + } + + pca8574_usage(); + exit(0); +} diff --git a/src/drivers/px4fmu/fmu.cpp b/src/drivers/px4fmu/fmu.cpp index fd69cf795..8a4bfa18c 100644 --- a/src/drivers/px4fmu/fmu.cpp +++ b/src/drivers/px4fmu/fmu.cpp @@ -648,11 +648,9 @@ PX4FMU::task_main() /* iterate actuators */ for (unsigned i = 0; i < num_outputs; i++) { - /* last resort: catch NaN, INF and out-of-band errors */ - if (i >= outputs.noutputs || - !isfinite(outputs.output[i]) || - outputs.output[i] < -1.0f || - outputs.output[i] > 1.0f) { + /* last resort: catch NaN and INF */ + if ((i >= outputs.noutputs) || + !isfinite(outputs.output[i])) { /* * Value is NaN, INF or out of band - set to the minimum value. * This will be clearly visible on the servo status and will limit the risk of accidentally @@ -664,6 +662,7 @@ PX4FMU::task_main() uint16_t pwm_limited[num_outputs]; + /* the PWM limit call takes care of out of band errors and constrains */ pwm_limit_calc(_servo_armed, num_outputs, _disarmed_pwm, _min_pwm, _max_pwm, outputs.output, pwm_limited, &_pwm_limit); /* output to the servos */ diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp index 4099e5522..972f45148 100644 --- a/src/drivers/px4io/px4io.cpp +++ b/src/drivers/px4io/px4io.cpp @@ -581,8 +581,10 @@ PX4IO::init() ASSERT(_task == -1); sys_restart_param = param_find("SYS_RESTART_TYPE"); - /* Indicate restart type is unknown */ - param_set(sys_restart_param, &sys_restart_val); + if (sys_restart_param != PARAM_INVALID) { + /* Indicate restart type is unknown */ + param_set(sys_restart_param, &sys_restart_val); + } /* do regular cdev init */ ret = CDev::init(); |