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authorLorenz Meier <lm@inf.ethz.ch>2012-08-29 15:53:11 +0200
committerLorenz Meier <lm@inf.ethz.ch>2012-08-29 15:53:11 +0200
commit7cd89520cc8846e5ca00f251311e6c4a50b1f7e5 (patch)
tree87b373384315b8244edc88356cdc56324649e71f /apps/sensors
parent7d87f2b06e1b7ee71c132e84cfda263a5207e4d9 (diff)
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More black magic put into the attitude estimation - works nicely now
Diffstat (limited to 'apps/sensors')
-rw-r--r--apps/sensors/sensors.c1201
1 files changed, 0 insertions, 1201 deletions
diff --git a/apps/sensors/sensors.c b/apps/sensors/sensors.c
deleted file mode 100644
index f82aa4c52..000000000
--- a/apps/sensors/sensors.c
+++ /dev/null
@@ -1,1201 +0,0 @@
-/****************************************************************************
- *
- * Copyright (C) 2012 PX4 Development Team. All rights reserved.
- * Author: @author Lorenz Meier <lm@inf.ethz.ch>
- * @author Thomas Gubler <thomasgubler@student.ethz.ch>
- * @author Julian Oes <joes@student.ethz.ch>
- *
- * 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 sensors.c
- * Sensor readout process.
- */
-
-#include <nuttx/config.h>
-
-#include <fcntl.h>
-#include <sys/prctl.h>
-#include <poll.h>
-#include <nuttx/analog/adc.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <errno.h>
-#include <float.h>
-
-#include <arch/board/up_hrt.h>
-#include <arch/board/drv_bma180.h>
-#include <arch/board/drv_l3gd20.h>
-
-#include <drivers/drv_accel.h>
-#include <drivers/drv_gyro.h>
-#include <drivers/drv_mag.h>
-#include <drivers/drv_baro.h>
-
-#include <arch/board/up_adc.h>
-
-#include <systemlib/systemlib.h>
-#include <systemlib/param/param.h>
-#include <systemlib/err.h>
-
-#include <uORB/uORB.h>
-#include <uORB/topics/sensor_combined.h>
-#include <uORB/topics/rc_channels.h>
-#include <uORB/topics/manual_control_setpoint.h>
-#include <uORB/topics/vehicle_status.h>
-
-#include "sensors.h"
-
-#define errno *get_errno_ptr()
-
-#define SENSOR_INTERVAL_MICROSEC 2000
-
-#define GYRO_HEALTH_COUNTER_LIMIT_ERROR 20 /* 40 ms downtime at 500 Hz update rate */
-#define ACC_HEALTH_COUNTER_LIMIT_ERROR 20 /* 40 ms downtime at 500 Hz update rate */
-#define MAGN_HEALTH_COUNTER_LIMIT_ERROR 100 /* 1000 ms downtime at 100 Hz update rate */
-#define BARO_HEALTH_COUNTER_LIMIT_ERROR 50 /* 500 ms downtime at 100 Hz update rate */
-#define ADC_HEALTH_COUNTER_LIMIT_ERROR 10 /* 100 ms downtime at 100 Hz update rate */
-
-#define GYRO_HEALTH_COUNTER_LIMIT_OK 5
-#define ACC_HEALTH_COUNTER_LIMIT_OK 5
-#define MAGN_HEALTH_COUNTER_LIMIT_OK 5
-#define BARO_HEALTH_COUNTER_LIMIT_OK 5
-#define ADC_HEALTH_COUNTER_LIMIT_OK 5
-
-#define ADC_BATTERY_VOLATGE_CHANNEL 10
-
-#define BAT_VOL_INITIAL 12.f
-#define BAT_VOL_LOWPASS_1 0.99f
-#define BAT_VOL_LOWPASS_2 0.01f
-#define VOLTAGE_BATTERY_IGNORE_THRESHOLD_VOLTS 3.5f
-
-/* PPM Settings */
-#define PPM_MIN 1000
-#define PPM_MAX 2000
-/* Internal resolution is 10000 */
-#define PPM_SCALE 10000/((PPM_MAX-PPM_MIN)/2)
-
-#define PPM_MID (PPM_MIN+PPM_MAX)/2
-
-static int sensors_timer_loop_counter = 0;
-
-/* File descriptors for all sensors */
-static int fd_gyro = -1;
-static int fd_gyro_l3gd20 = -1;
-
-static bool thread_should_exit = false;
-static bool thread_running = false;
-static int sensors_task;
-
-static int fd_bma180 = -1;
-static int fd_magnetometer = -1;
-static int fd_barometer = -1;
-static int fd_adc = -1;
-static int fd_accelerometer = -1;
-
-/* Private functions declared static */
-static void sensors_timer_loop(void *arg);
-
-#ifdef CONFIG_HRT_PPM
-extern uint16_t ppm_buffer[];
-extern unsigned ppm_decoded_channels;
-extern uint64_t ppm_last_valid_decode;
-#endif
-
-/* ORB topic publishing our results */
-static orb_advert_t sensor_pub;
-
-PARAM_DEFINE_FLOAT(SENSOR_GYRO_XOFF, 0.0f);
-PARAM_DEFINE_FLOAT(SENSOR_GYRO_YOFF, 0.0f);
-PARAM_DEFINE_FLOAT(SENSOR_GYRO_ZOFF, 0.0f);
-
-PARAM_DEFINE_FLOAT(SENSOR_MAG_XOFF, 0.0f);
-PARAM_DEFINE_FLOAT(SENSOR_MAG_YOFF, 0.0f);
-PARAM_DEFINE_FLOAT(SENSOR_MAG_ZOFF, 0.0f);
-
-PARAM_DEFINE_FLOAT(SENSOR_ACC_XOFF, 0.0f);
-PARAM_DEFINE_FLOAT(SENSOR_ACC_YOFF, 0.0f);
-PARAM_DEFINE_FLOAT(SENSOR_ACC_ZOFF, 0.0f);
-
-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(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(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(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(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(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(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(RC8_MIN, 1000);
-PARAM_DEFINE_FLOAT(RC8_TRIM, 1500);
-PARAM_DEFINE_FLOAT(RC8_MAX, 2000);
-PARAM_DEFINE_FLOAT(RC8_REV, 1.0f);
-
-PARAM_DEFINE_INT32(RC_TYPE, 1); // 1 = FUTABA
-
-PARAM_DEFINE_FLOAT(BAT_V_SCALING, -1.0f);
-
-PARAM_DEFINE_INT32(RC_MAP_ROLL, 1);
-PARAM_DEFINE_INT32(RC_MAP_PITCH, 2);
-PARAM_DEFINE_INT32(RC_MAP_THROTTLE, 3);
-PARAM_DEFINE_INT32(RC_MAP_YAW, 4);
-PARAM_DEFINE_INT32(RC_MAP_MODE_SW, 5);
-
-#define rc_max_chan_count 8
-
-struct sensor_parameters {
- int min[rc_max_chan_count];
- int trim[rc_max_chan_count];
- int max[rc_max_chan_count];
- int rev[rc_max_chan_count];
-
- float gyro_offset[3];
- float mag_offset[3];
- float acc_offset[3];
-
- int rc_type;
-
- int rc_map_roll;
- int rc_map_pitch;
- int rc_map_yaw;
- int rc_map_throttle;
- int rc_map_mode_sw;
-
- int battery_voltage_scaling;
-};
-
-struct sensor_parameter_handles {
- param_t min[rc_max_chan_count];
- param_t trim[rc_max_chan_count];
- param_t max[rc_max_chan_count];
- param_t rev[rc_max_chan_count];
- param_t rc_type;
-
- param_t gyro_offset[3];
- param_t mag_offset[3];
- param_t acc_offset[3];
-
- param_t rc_map_roll;
- param_t rc_map_pitch;
- param_t rc_map_yaw;
- param_t rc_map_throttle;
- param_t rc_map_mode_sw;
-
- param_t battery_voltage_scaling;
-};
-
-/**
- * Sensor app start / stop handling function
- *
- * @ingroup apps
- */
-__EXPORT int sensors_main(int argc, char *argv[]);
-
-/**
- * Sensor readout and publishing.
- *
- * This function reads all onboard sensors and publishes the sensor_combined topic.
- *
- * @see sensor_combined_s
- */
-int sensors_thread_main(int argc, char *argv[]);
-
-/**
- * Print the usage
- */
-static void usage(const char *reason);
-
-/**
- * Initialize all parameter handles and values
- *
- */
-static int parameters_init(struct sensor_parameter_handles *h);
-
-/**
- * Update all parameters
- *
- */
-static int parameters_update(const struct sensor_parameter_handles *h, struct sensor_parameters *p);
-
-
-static int parameters_init(struct sensor_parameter_handles *h)
-{
- /* min values */
- h->min[0] = param_find("RC1_MIN");
- h->min[1] = param_find("RC2_MIN");
- h->min[2] = param_find("RC3_MIN");
- h->min[3] = param_find("RC4_MIN");
- h->min[4] = param_find("RC5_MIN");
- h->min[5] = param_find("RC6_MIN");
- h->min[6] = param_find("RC7_MIN");
- h->min[7] = param_find("RC8_MIN");
-
- /* trim values */
- h->trim[0] = param_find("RC1_TRIM");
- h->trim[1] = param_find("RC2_TRIM");
- h->trim[2] = param_find("RC3_TRIM");
- h->trim[3] = param_find("RC4_TRIM");
- h->trim[4] = param_find("RC5_TRIM");
- h->trim[5] = param_find("RC6_TRIM");
- h->trim[6] = param_find("RC7_TRIM");
- h->trim[7] = param_find("RC8_TRIM");
-
- /* max values */
- h->max[0] = param_find("RC1_MAX");
- h->max[1] = param_find("RC2_MAX");
- h->max[2] = param_find("RC3_MAX");
- h->max[3] = param_find("RC4_MAX");
- h->max[4] = param_find("RC5_MAX");
- h->max[5] = param_find("RC6_MAX");
- h->max[6] = param_find("RC7_MAX");
- h->max[7] = param_find("RC8_MAX");
-
- /* channel reverse */
- h->rev[0] = param_find("RC1_REV");
- h->rev[1] = param_find("RC2_REV");
- h->rev[2] = param_find("RC3_REV");
- h->rev[3] = param_find("RC4_REV");
- h->rev[4] = param_find("RC5_REV");
- h->rev[5] = param_find("RC6_REV");
- h->rev[6] = param_find("RC7_REV");
- h->rev[7] = param_find("RC8_REV");
-
- h->rc_type = param_find("RC_TYPE");
-
- h->rc_map_roll = param_find("RC_MAP_ROLL");
- h->rc_map_pitch = param_find("RC_MAP_PITCH");
- h->rc_map_yaw = param_find("RC_MAP_YAW");
- h->rc_map_throttle = param_find("RC_MAP_THROTTLE");
- h->rc_map_mode_sw = param_find("RC_MAP_MODE_SW");
-
- /* gyro offsets */
- h->gyro_offset[0] = param_find("SENSOR_GYRO_XOFF");
- h->gyro_offset[1] = param_find("SENSOR_GYRO_YOFF");
- h->gyro_offset[2] = param_find("SENSOR_GYRO_ZOFF");
-
- /* accel offsets */
- h->acc_offset[0] = param_find("SENSOR_ACC_XOFF");
- h->acc_offset[1] = param_find("SENSOR_ACC_YOFF");
- h->acc_offset[2] = param_find("SENSOR_ACC_ZOFF");
-
- /* mag offsets */
- h->mag_offset[0] = param_find("SENSOR_MAG_XOFF");
- h->mag_offset[1] = param_find("SENSOR_MAG_YOFF");
- h->mag_offset[2] = param_find("SENSOR_MAG_ZOFF");
-
- h->battery_voltage_scaling = param_find("BAT_V_SCALING");
-
- return OK;
-}
-
-static int parameters_update(const struct sensor_parameter_handles *h, struct sensor_parameters *p)
-{
- const unsigned int nchans = 8;
-
- /* min values */
- for (unsigned int i = 0; i < nchans; i++) {
- param_get(h->min[i], &(p->min[i]));
- }
-
- /* trim values */
- for (unsigned int i = 0; i < nchans; i++) {
- param_get(h->trim[i], &(p->trim[i]));
- }
-
- /* max values */
- for (unsigned int i = 0; i < nchans; i++) {
- param_get(h->max[i], &(p->max[i]));
- }
-
- /* channel reverse */
- for (unsigned int i = 0; i < nchans; i++) {
- param_get(h->rev[i], &(p->rev[i]));
- }
-
- /* remote control type */
- param_get(h->rc_type, &(p->rc_type));
-
- /* channel mapping */
- param_get(h->rc_map_roll, &(p->rc_map_roll));
- param_get(h->rc_map_pitch, &(p->rc_map_pitch));
- param_get(h->rc_map_yaw, &(p->rc_map_yaw));
- param_get(h->rc_map_throttle, &(p->rc_map_throttle));
- if (param_get(h->rc_map_mode_sw, &(p->rc_map_mode_sw)) != OK) {
- warnx("Loading RC mode sw param failed.");
- }
-
- /* gyro offsets */
- param_get(h->gyro_offset[0], &(p->gyro_offset[0]));
- param_get(h->gyro_offset[1], &(p->gyro_offset[1]));
- param_get(h->gyro_offset[2], &(p->gyro_offset[2]));
-
- /* accel offsets */
- param_get(h->acc_offset[0], &(p->acc_offset[0]));
- param_get(h->acc_offset[1], &(p->acc_offset[1]));
- param_get(h->acc_offset[2], &(p->acc_offset[2]));
-
- /* mag offsets */
- param_get(h->mag_offset[0], &(p->mag_offset[0]));
- param_get(h->mag_offset[1], &(p->mag_offset[1]));
- param_get(h->mag_offset[2], &(p->mag_offset[2]));
-
- /* scaling of ADC ticks to battery voltage */
- if (param_get(h->battery_voltage_scaling, &(p->battery_voltage_scaling)) != OK) {
- warnx("Loading voltage scaling param failed.");
- }
-
- return OK;
-}
-
-/**
- * Initialize all sensor drivers.
- *
- * @return 0 on success, != 0 on failure
- */
-static int sensors_init(void)
-{
- printf("[sensors] Sensor configuration..\n");
-
- /* open magnetometer */
- fd_magnetometer = open("/dev/mag", O_RDONLY);
-
- if (fd_magnetometer < 0) {
- fprintf(stderr, "[sensors] MAG open fail (err #%d): %s\n", (int)*get_errno_ptr(), strerror((int)*get_errno_ptr()));
- fflush(stderr);
- /* this sensor is critical, exit on failed init */
- errno = ENOSYS;
- return ERROR;
-
- } else {
- printf("[sensors] MAG open ok\n");
- // /* set the queue depth to 1 */
- // if (OK != ioctl(fd_magnetometer, MAGIOCSQUEUEDEPTH, 1))
- // warn("failed to set queue depth for mag");
-
- /* start the sensor polling at 150Hz */
- if (OK != ioctl(fd_magnetometer, MAGIOCSSAMPLERATE, 150))
- warn("failed to set minimum 150Hz sample rate for mag");
- }
-
- /* open barometer */
- fd_barometer = open("/dev/baro", O_RDONLY);
-
- if (fd_barometer < 0) {
- fprintf(stderr, "[sensors] BARO open fail (err #%d): %s\n", (int)*get_errno_ptr(), strerror((int)*get_errno_ptr()));
- fflush(stderr);
-
- } else {
- printf("[sensors] BARO open ok\n");
- // /* set the queue depth to 1 */
- // if (OK != ioctl(fd_barometer, BAROIOCSQUEUEDEPTH, 1))
- // warn("failed to set queue depth for baro");
-
- // start the sensor polling at 100Hz
- // if (OK != ioctl(fd_barometer, BAROIOCSPOLLRATE, 100))
- // warn("failed to set 100Hz poll rate for baro");
- }
-
- /* open gyro */
- fd_gyro = open("/dev/gyro", O_RDONLY);
- int errno_gyro = (int)*get_errno_ptr();
-
- if (!(fd_gyro < 0)) {
- printf("[sensors] GYRO open ok\n");
- // /* set the queue depth to 1 */
- // if (OK != ioctl(fd_gyro, GYROIOCSQUEUEDEPTH, 1))
- // warn("failed to set queue depth for gyro");
-
- /* start the sensor polling at 500Hz */
- if (OK != ioctl(fd_gyro, GYROIOCSSAMPLERATE, 500))
- warn("failed to set minimum 500Hz sample rate for gyro");
- }
-
- /* open accelerometer */
- fd_accelerometer = open("/dev/accel", O_RDONLY);
- int errno_accelerometer = (int)*get_errno_ptr();
-
- if (!(fd_accelerometer < 0)) {
- printf("[sensors] ACCEL open ok\n");
- // /* set the queue depth to 1 */
- // if (OK != ioctl(fd_accelerometer, ACCELIOCSQUEUEDEPTH, 1))
- // warn("failed to set queue depth for accel");
-
- /* start the sensor polling at 500Hz */
- if (OK != ioctl(fd_accelerometer, ACCELIOCSSAMPLERATE, 500))
- warn("failed to set minimum 500Hz poll rate for accel");
- }
-
- /* only attempt to use BMA180 if main accel is not available */
- int errno_bma180 = 0;
- if (fd_accelerometer < 0) {
- fd_bma180 = open("/dev/bma180", O_RDONLY);
- errno_bma180 = (int)*get_errno_ptr();
-
- if (!(fd_bma180 < 0)) {
- printf("[sensors] ACCEL (BMA180) open ok\n");
- }
- } else {
- fd_bma180 = -1;
- }
-
- /* only attempt to use L3GD20 is main gyro is not available */
- int errno_gyro_l3gd20 = 0;
- if (fd_gyro < 0) {
- fd_gyro_l3gd20 = open("/dev/l3gd20", O_RDONLY);
- int errno_gyro_l3gd20 = (int)*get_errno_ptr();
-
- if (!(fd_gyro_l3gd20 < 0)) {
- printf("[sensors] GYRO (L3GD20) open ok\n");
- }
-
- if (ioctl(fd_gyro_l3gd20 , L3GD20_SETRATE, L3GD20_RATE_760HZ_LP_30HZ) ||
- ioctl(fd_gyro_l3gd20 , L3GD20_SETRANGE, L3GD20_RANGE_500DPS)) {
- fprintf(stderr, "[sensors] L3GD20 configuration (ioctl) fail (err #%d): %s\n", (int)*get_errno_ptr(), strerror((int)*get_errno_ptr()));
- fflush(stderr);
- /* this sensor is critical, exit on failed init */
- errno = ENOSYS;
- return ERROR;
-
- } else {
- printf("[sensors] L3GD20 configuration ok\n");
- }
- } else {
- fd_gyro_l3gd20 = -1;
- }
-
- /* fail if no accelerometer is available */
- if (fd_accelerometer < 0 && fd_bma180 < 0) {
- /* print error message only if both failed, discard message else at all to not confuse users */
- if (fd_accelerometer < 0) {
- fprintf(stderr, "[sensors] ACCEL: open fail (err #%d): %s\n", errno_accelerometer, strerror(errno_accelerometer));
- fflush(stderr);
- /* this sensor is redundant with BMA180 */
- }
-
- if (fd_bma180 < 0) {
- fprintf(stderr, "[sensors] BMA180: open fail (err #%d): %s\n", errno_bma180, strerror(errno_bma180));
- fflush(stderr);
- /* this sensor is redundant with MPU-6000 */
- }
-
- errno = ENOSYS;
- return ERROR;
- }
-
- /* fail if no gyro is available */
- if (fd_gyro < 0 && fd_gyro_l3gd20 < 0) {
- /* print error message only if both failed, discard message else at all to not confuse users */
- if (fd_gyro < 0) {
- fprintf(stderr, "[sensors] GYRO: open fail (err #%d): %s\n", errno_gyro, strerror(errno_gyro));
- fflush(stderr);
- /* this sensor is redundant with BMA180 */
- }
-
- if (fd_gyro_l3gd20 < 0) {
- fprintf(stderr, "[sensors] L3GD20 open fail (err #%d): %s\n", errno_gyro_l3gd20, strerror(errno_gyro_l3gd20));
- fflush(stderr);
- /* this sensor is critical, exit on failed init */
- }
-
- errno = ENOSYS;
- return ERROR;
- }
-
- /* open adc */
- fd_adc = open("/dev/adc0", O_RDONLY | O_NONBLOCK);
-
- if (fd_adc < 0) {
- fprintf(stderr, "[sensors] ADC: open fail (err #%d): %s\n", (int)*get_errno_ptr(), strerror((int)*get_errno_ptr()));
- fflush(stderr);
- /* this sensor is critical, exit on failed init */
- errno = ENOSYS;
- return ERROR;
-
- } else {
- printf("[sensors] ADC open ok\n");
- }
-
- printf("[sensors] All sensors configured\n");
- return OK;
-}
-
-int sensors_thread_main(int argc, char *argv[])
-{
- /* inform about start */
- printf("[sensors] Initializing..\n");
- fflush(stdout);
-
- int ret = OK;
-
- /* start sensor reading */
- if (sensors_init() != OK) {
- fprintf(stderr, "[sensors] ERROR: Failed to initialize all sensors, exiting.\n");
- /* Clean up */
- close(fd_gyro);
- close(fd_bma180);
- close(fd_gyro_l3gd20);
- close(fd_magnetometer);
- close(fd_barometer);
- close(fd_adc);
-
- exit(1);
- } else {
- /* flush stdout from init routine */
- fflush(stdout);
- }
-
- /* initialize parameters */
- struct sensor_parameters rcp;
- struct sensor_parameter_handles rch;
- parameters_init(&rch);
- parameters_update(&rch, &rcp);
-
- // bool gyro_healthy = false;
- // bool acc_healthy = false;
- // bool magn_healthy = false;
- // bool baro_healthy = false;
- // bool adc_healthy = false;
-
- bool hil_enabled = false; /**< HIL is disabled by default */
- bool publishing = false; /**< the app is not publishing by default, only if HIL is disabled on first run */
-
- // unsigned int mag_fail_count = 0;
- // unsigned int mag_success_count = 0;
-
- // unsigned int baro_fail_count = 0;
- // unsigned int baro_success_count = 0;
-
- // unsigned int gyro_fail_count = 0;
- // unsigned int gyro_success_count = 0;
-
- // unsigned int acc_fail_count = 0;
- // unsigned int acc_success_count = 0;
-
- // unsigned int adc_fail_count = 0;
- // unsigned int adc_success_count = 0;
-
- /* for PX4FMU 1.5 compatibility */
- int16_t buf_accelerometer[3];
- int16_t buf_gyro[3];
-
- // bool mag_calibration_enabled = false;
-
- #pragma pack(push,1)
- struct adc_msg4_s {
- uint8_t am_channel1; /**< The 8-bit ADC Channel 1 */
- int32_t am_data1; /**< ADC convert result 1 (4 bytes) */
- uint8_t am_channel2; /**< The 8-bit ADC Channel 2 */
- int32_t am_data2; /**< ADC convert result 2 (4 bytes) */
- uint8_t am_channel3; /**< The 8-bit ADC Channel 3 */
- int32_t am_data3; /**< ADC convert result 3 (4 bytes) */
- uint8_t am_channel4; /**< The 8-bit ADC Channel 4 */
- int32_t am_data4; /**< ADC convert result 4 (4 bytes) */
- };
- #pragma pack(pop)
-
- struct adc_msg4_s buf_adc;
- size_t adc_readsize = 1 * sizeof(struct adc_msg4_s);
-
- float battery_voltage_conversion;
- battery_voltage_conversion = rcp.battery_voltage_scaling;
-
- if (-1 == (int)battery_voltage_conversion) {
- /* default is conversion factor for the PX4IO / PX4IOAR board, the factor for PX4FMU standalone is different */
- battery_voltage_conversion = 3.3f * 52.0f / 5.0f / 4095.0f;
- }
-
- /* initialize to 100 to execute immediately */
- int paramcounter = 100;
- int read_loop_counter = 0;
-
- /* Empty sensor buffers, avoid junk values */
- /* Read first two values of each sensor into void */
- if (fd_bma180 > 0)(void)read(fd_bma180, buf_accelerometer, sizeof(buf_accelerometer));
- if (fd_gyro_l3gd20 > 0)(void)read(fd_gyro_l3gd20, &buf_gyro, sizeof(buf_gyro));
-
- /* ORB sensor subscriptions */
- int gyro_sub = orb_subscribe(ORB_ID(sensor_gyro));
- int accel_sub = orb_subscribe(ORB_ID(sensor_accel));
- int mag_sub = orb_subscribe(ORB_ID(sensor_mag));
- int baro_sub = orb_subscribe(ORB_ID(sensor_baro));
-
- struct gyro_report gyro_report;
- struct accel_report accel_report;
- struct mag_report mag_report;
- struct baro_report baro_report;
-
- struct sensor_combined_s raw = {
- .timestamp = hrt_absolute_time(),
- .gyro_raw = {gyro_report.x_raw, gyro_report.y_raw, gyro_report.z_raw},
- .gyro_raw_counter = 0,
- .gyro_rad_s = {gyro_report.x, gyro_report.y, gyro_report.z},
- .accelerometer_raw = {accel_report.x_raw, accel_report.y_raw, accel_report.z_raw},
- .accelerometer_raw_counter = 0,
- .accelerometer_m_s2 = {accel_report.x, accel_report.y, accel_report.z},
- .magnetometer_raw = {mag_report.x_raw, mag_report.y_raw, mag_report.z_raw},
- .magnetometer_ga = {mag_report.x, mag_report.y, mag_report.z},
- .magnetometer_raw_counter = 0,
- .baro_pres_mbar = baro_report.pressure,
- .baro_alt_meter = baro_report.altitude,
- .baro_temp_celcius = baro_report.temperature,
- .baro_raw_counter = 0,
- .battery_voltage_v = BAT_VOL_INITIAL,
- .adc_voltage_v = {0.9f , 0.0f , 0.0f},
- .battery_voltage_counter = 0,
- .battery_voltage_valid = false,
- };
-
- /* advertise the sensor_combined topic and make the initial publication */
- sensor_pub = orb_advertise(ORB_ID(sensor_combined), &raw);
- if (sensor_pub < 0) {
- fprintf(stderr, "[sensors] ERROR: orb_advertise for topic sensor_combined failed.\n");
- } else {
- publishing = true;
- }
-
- /* advertise the manual_control topic */
- struct manual_control_setpoint_s manual_control = { .mode = ROLLPOS_PITCHPOS_YAWRATE_THROTTLE,
- .roll = 0.0f,
- .pitch = 0.0f,
- .yaw = 0.0f,
- .throttle = 0.0f };
-
- orb_advert_t manual_control_pub = orb_advertise(ORB_ID(manual_control_setpoint), &manual_control);
-
- if (manual_control_pub < 0) {
- fprintf(stderr, "[sensors] ERROR: orb_advertise for topic manual_control_setpoint failed.\n");
- }
-
- /* advertise the rc topic */
- struct rc_channels_s rc;
- memset(&rc, 0, sizeof(rc));
- orb_advert_t rc_pub = orb_advertise(ORB_ID(rc_channels), &rc);
-
- if (rc_pub < 0) {
- fprintf(stderr, "[sensors] ERROR: orb_advertise for topic rc_channels failed.\n");
- }
-
- /* subscribe to system status */
- struct vehicle_status_s vstatus;
- memset(&vstatus, 0, sizeof(vstatus));
- int vstatus_sub = orb_subscribe(ORB_ID(vehicle_status));
-
- thread_running = true;
-
- while (!thread_should_exit) {
-
- bool gyro_updated = false;
-
- struct pollfd fds[4];
-
- /* wait for data to be ready */
- fds[0].fd = gyro_sub;
- fds[0].events = POLLIN;
-
- fds[1].fd = accel_sub;
- fds[1].events = POLLIN;
-
- fds[2].fd = mag_sub;
- fds[2].events = POLLIN;
-
- fds[3].fd = baro_sub;
- fds[3].events = POLLIN;
-
- int pret = poll(fds, 4, 500);
-
- if (pret <= 0) {
- /* do silently nothing */
- } else {
-
- /* store the time closest to all measurements */
- uint64_t current_time = hrt_absolute_time();
- raw.timestamp = current_time;
-
- /* Update at 5 Hz */
- if (paramcounter == ((unsigned int)(1000000 / SENSOR_INTERVAL_MICROSEC)/5)) {
-
- /* Check HIL state */
- orb_copy(ORB_ID(vehicle_status), vstatus_sub, &vstatus);
-
- /* switching from non-HIL to HIL mode */
- //printf("[sensors] Vehicle mode: %i \t AND: %i, HIL: %i\n", vstatus.mode, vstatus.mode & VEHICLE_MODE_FLAG_HIL_ENABLED, hil_enabled);
- if (vstatus.flag_hil_enabled && !hil_enabled) {
- hil_enabled = true;
- publishing = false;
-
- int sens_ret = close(sensor_pub);
- if (sens_ret == OK) {
- printf("[sensors] Closing sensor pub OK\n");
- } else {
- printf("[sensors] FAILED Closing sensor pub, result: %i \n", sens_ret);
- }
-
- /* switching from HIL to non-HIL mode */
-
- } else if (!publishing && !hil_enabled) {
- /* advertise the topic and make the initial publication */
- sensor_pub = orb_advertise(ORB_ID(sensor_combined), &raw);
- hil_enabled = false;
- publishing = true;
- }
-
- /* update parameters */
- parameters_update(&rch, &rcp);
-
- /* Update RC scalings and function mappings */
- rc.chan[0].scaling_factor = (1.0f / ((rcp.max[0] - rcp.min[0]) / 2.0f) * rcp.rev[0]);
- rc.chan[0].mid = rcp.trim[0];
-
- rc.chan[1].scaling_factor = (1.0f / ((rcp.max[1] - rcp.min[1]) / 2.0f) * rcp.rev[1]);
- rc.chan[1].mid = rcp.trim[1];
-
- rc.chan[2].scaling_factor = (1.0f / ((rcp.max[2] - rcp.min[2]) / 2.0f) * rcp.rev[2]);
- rc.chan[2].mid = rcp.trim[2];
-
- rc.chan[3].scaling_factor = (1.0f / ((rcp.max[3] - rcp.min[3]) / 2.0f) * rcp.rev[3]);
- rc.chan[3].mid = rcp.trim[3];
-
- rc.chan[4].scaling_factor = (1.0f / ((rcp.max[4] - rcp.min[4]) / 2.0f) * rcp.rev[4]);
- rc.chan[4].mid = rcp.trim[4];
-
- rc.chan[5].scaling_factor = (1.0f / ((rcp.max[5] - rcp.min[5]) / 2.0f) * rcp.rev[5]);
- rc.chan[5].mid = rcp.trim[5];
-
- rc.chan[6].scaling_factor = (1.0f / ((rcp.max[6] - rcp.min[6]) / 2.0f) * rcp.rev[6]);
- rc.chan[6].mid = rcp.trim[6];
-
- rc.chan[7].scaling_factor = (1.0f / ((rcp.max[7] - rcp.min[7]) / 2.0f) * rcp.rev[7]);
- rc.chan[7].mid = rcp.trim[7];
-
- rc.function[0] = rcp.rc_map_throttle - 1;
- rc.function[1] = rcp.rc_map_roll - 1;
- rc.function[2] = rcp.rc_map_pitch - 1;
- rc.function[3] = rcp.rc_map_yaw - 1;
- rc.function[4] = rcp.rc_map_mode_sw - 1;
-
- paramcounter = 0;
- }
- paramcounter++;
-
- /* --- GYRO --- */
- if (fds[0].revents & POLLIN) {
-
- orb_copy(ORB_ID(sensor_gyro), gyro_sub, &gyro_report);
-
- raw.gyro_rad_s[0] = gyro_report.x;
- raw.gyro_rad_s[1] = gyro_report.y;
- raw.gyro_rad_s[2] = gyro_report.z;
-
- raw.gyro_raw[0] = gyro_report.x_raw;
- raw.gyro_raw[1] = gyro_report.y_raw;
- raw.gyro_raw[2] = gyro_report.z_raw;
-
- raw.gyro_raw_counter++;
- /* gyro is clocking synchronous data output */
- gyro_updated = true;
- }
-
- /* --- ACCEL --- */
- if (fds[1].revents & POLLIN) {
-
- orb_copy(ORB_ID(sensor_accel), accel_sub, &accel_report);
-
- raw.accelerometer_m_s2[0] = accel_report.x;
- raw.accelerometer_m_s2[1] = accel_report.y;
- raw.accelerometer_m_s2[2] = accel_report.z;
-
- raw.accelerometer_raw[0] = accel_report.x_raw;
- raw.accelerometer_raw[1] = accel_report.y_raw;
- raw.accelerometer_raw[2] = accel_report.z_raw;
-
- raw.accelerometer_raw_counter++;
- }
-
- /* --- MAG --- */
- if (fds[2].revents & POLLIN) {
-
- orb_copy(ORB_ID(sensor_mag), mag_sub, &mag_report);
-
- raw.magnetometer_ga[0] = mag_report.x;
- raw.magnetometer_ga[1] = mag_report.y;
- raw.magnetometer_ga[2] = mag_report.z;
-
- raw.magnetometer_raw[0] = mag_report.x_raw;
- raw.magnetometer_raw[1] = mag_report.y_raw;
- raw.magnetometer_raw[2] = mag_report.z_raw;
-
- raw.magnetometer_raw_counter++;
- }
-
- /* --- BARO --- */
- if (fds[3].revents & POLLIN) {
-
- orb_copy(ORB_ID(sensor_baro), baro_sub, &baro_report);
-
- raw.baro_pres_mbar = baro_report.pressure; // Pressure in mbar
- raw.baro_alt_meter = baro_report.altitude; // Altitude in meters
- raw.baro_temp_celcius = baro_report.temperature; // Temperature in degrees celcius
-
- raw.baro_raw_counter++;
- }
-
- // /* read BMA180. If the MPU-6000 is present, the BMA180 file descriptor won't be open */
- // if (fd_bma180 > 0) {
- // /* try reading acc */
- // uint64_t start_acc = hrt_absolute_time();
- // ret_accelerometer = read(fd_bma180, buf_accelerometer, 6);
-
- // /* ACCELEROMETER */
- // if (ret_accelerometer != 6) {
- // acc_fail_count++;
-
- // if ((acc_fail_count % 500) == 0 || (acc_fail_count > 20 && acc_fail_count < 40)) {
- // fprintf(stderr, "[sensors] BMA180 ERROR #%d: %s\n", (int)*get_errno_ptr(), strerror((int)*get_errno_ptr()));
- // }
-
- // if (acc_healthy && acc_fail_count >= ACC_HEALTH_COUNTER_LIMIT_ERROR) {
- // // global_data_send_subsystem_info(&acc_present_enabled);
- // gyro_healthy = false;
- // acc_success_count = 0;
- // }
-
- // } else {
- // acc_success_count++;
-
- // if (!acc_healthy && acc_success_count >= ACC_HEALTH_COUNTER_LIMIT_OK) {
-
- // // global_data_send_subsystem_info(&acc_present_enabled_healthy);
- // acc_healthy = true;
- // acc_fail_count = 0;
-
- // }
-
- // acc_updated = true;
- // }
-
- // int acctime = hrt_absolute_time() - start_acc;
- // if (acctime > 500) printf("ACC: %d us\n", acctime);
- // }
-
-
- // /* ACCELEROMETER */
- // if (acc_updated) {
- // /* copy sensor readings to global data and transform coordinates into px4fmu board frame */
-
- // if (fd_bma180 > 0) {
-
- // /* assign negated value, except for -SHORT_MAX, as it would wrap there */
- // raw.accelerometer_raw[0] = (buf_accelerometer[1] == -32768) ? 32767 : -buf_accelerometer[1]; // x of the board is -y of the sensor
- // raw.accelerometer_raw[1] = (buf_accelerometer[0] == -32768) ? -32767 : buf_accelerometer[0]; // y on the board is x of the sensor
- // raw.accelerometer_raw[2] = (buf_accelerometer[2] == -32768) ? -32767 : buf_accelerometer[2]; // z of the board is z of the sensor
-
-
- // // XXX read range from sensor
- // float range_g = 4.0f;
- // /* scale from 14 bit to m/s2 */
- // raw.accelerometer_m_s2[0] = (((raw.accelerometer_raw[0] - rcp.acc_offset[0]) * range_g) / 8192.0f) / 9.81f;
- // raw.accelerometer_m_s2[1] = (((raw.accelerometer_raw[1] - rcp.acc_offset[1]) * range_g) / 8192.0f) / 9.81f;
- // raw.accelerometer_m_s2[2] = (((raw.accelerometer_raw[2] - rcp.acc_offset[2]) * range_g) / 8192.0f) / 9.81f;
-
- // raw.accelerometer_raw_counter++;
- // }
- // }
-
- // if (fd_gyro_l3gd20 > 0) {
- // /* try reading gyro */
- // uint64_t start_gyro = hrt_absolute_time();
- // ret_gyro = read(fd_gyro, buf_gyro_l3gd20, sizeof(buf_gyro_l3gd20));
- // int gyrotime = hrt_absolute_time() - start_gyro;
-
- // if (gyrotime > 500) printf("L3GD20 GYRO (pure read): %d us\n", gyrotime);
-
- // /* GYROSCOPE */
- // if (ret_gyro != sizeof(buf_gyro)) {
- // gyro_fail_count++;
-
- // if ((((gyro_fail_count % 20) == 0) || (gyro_fail_count > 20 && gyro_fail_count < 100)) && (int)*get_errno_ptr() != EAGAIN) {
- // fprintf(stderr, "[sensors] L3GD20 ERROR #%d: %s\n", (int)*get_errno_ptr(), strerror((int)*get_errno_ptr()));
- // }
-
- // if (gyro_healthy && gyro_fail_count >= GYRO_HEALTH_COUNTER_LIMIT_ERROR) {
- // // global_data_send_subsystem_info(&gyro_present_enabled);
- // gyro_healthy = false;
- // gyro_success_count = 0;
- // }
-
- // } else {
- // gyro_success_count++;
-
- // if (!gyro_healthy && gyro_success_count >= GYRO_HEALTH_COUNTER_LIMIT_OK) {
- // // global_data_send_subsystem_info(&gyro_present_enabled_healthy);
- // gyro_healthy = true;
- // gyro_fail_count = 0;
-
- // }
-
- // gyro_updated = true;
- // }
-
- // gyrotime = hrt_absolute_time() - start_gyro;
-
- // if (gyrotime > 500) printf("L3GD20 GYRO (complete): %d us\n", gyrotime);
- // }
-
- /* GYROSCOPE */
- // if (gyro_updated) {
- // /* copy sensor readings to global data and transform coordinates into px4fmu board frame */
-
- // raw.gyro_raw[0] = ((buf_gyro[1] == -32768) ? -32768 : buf_gyro[1]); // x of the board is y of the sensor
- // /* assign negated value, except for -SHORT_MAX, as it would wrap there */
- // raw.gyro_raw[1] = ((buf_gyro[0] == -32768) ? 32767 : -buf_gyro[0]); // y on the board is -x of the sensor
- // raw.gyro_raw[2] = ((buf_gyro[2] == -32768) ? -32768 : buf_gyro[2]); // z of the board is z of the sensor
-
- // /* scale measurements */
- // // XXX request scaling from driver instead of hardcoding it
- // /* scaling calculated as: raw * (1/(32768*(500/180*PI))) */
- // raw.gyro_rad_s[0] = (raw.gyro_raw[0] - rcp.gyro_offset[0]) * 0.000266316109f;
- // raw.gyro_rad_s[1] = (raw.gyro_raw[1] - rcp.gyro_offset[1]) * 0.000266316109f;
- // raw.gyro_rad_s[2] = (raw.gyro_raw[2] - rcp.gyro_offset[2]) * 0.000266316109f;
-
- // raw.gyro_raw_counter++;
- // }
-
- static uint64_t last_adc = 0;
- /* ADC */
- if (hrt_absolute_time() - last_adc >= 10000) {
- int ret_adc = read(fd_adc, &buf_adc, adc_readsize);
- int nsamples_adc = ret_adc / sizeof(struct adc_msg_s);
-
- // if (ret_adc < 0 || ((int)(nsamples_adc * sizeof(struct adc_msg_s))) != ret_adc) {
- // adc_fail_count++;
-
- // if (((adc_fail_count % 20) == 0 || adc_fail_count < 10) && (int)*get_errno_ptr() != EAGAIN) {
- // fprintf(stderr, "[sensors] ADC ERROR #%d: %s\n", (int)*get_errno_ptr(), strerror((int)*get_errno_ptr()));
- // }
-
- // if (adc_healthy && adc_fail_count >= ADC_HEALTH_COUNTER_LIMIT_ERROR) {
- // adc_healthy = false;
- // adc_success_count = 0;
- // }
-
- // } else {
- // adc_success_count++;
-
- // if (!adc_healthy && adc_success_count >= ADC_HEALTH_COUNTER_LIMIT_OK) {
- // adc_healthy = true;
- // adc_fail_count = 0;
- // }
-
- // adc_updated = true;
- // }
-
- if (ADC_BATTERY_VOLATGE_CHANNEL == buf_adc.am_channel1) {
- /* Voltage in volts */
- raw.battery_voltage_v = (BAT_VOL_LOWPASS_1 * (raw.battery_voltage_v + BAT_VOL_LOWPASS_2 * (buf_adc.am_data1 * battery_voltage_conversion)));
-
- if ((buf_adc.am_data1 * battery_voltage_conversion) < VOLTAGE_BATTERY_IGNORE_THRESHOLD_VOLTS) {
- raw.battery_voltage_valid = false;
- raw.battery_voltage_v = 0.f;
-
- } else {
- raw.battery_voltage_valid = true;
- }
-
- raw.battery_voltage_counter++;
- }
-
- last_adc = hrt_absolute_time();
- }
-
- /* Inform other processes that new data is available to copy */
- if (gyro_updated && publishing) {
- /* Values changed, publish */
- orb_publish(ORB_ID(sensor_combined), sensor_pub, &raw);
- }
-
-#ifdef CONFIG_HRT_PPM
- static uint64_t last_ppm = 0;
-
- /* PPM */
- if (hrt_absolute_time() - last_ppm >= 10000) {
-
- /* require at least two channels
- * to consider the signal valid
- * check that decoded measurement is up to date
- */
- if (ppm_decoded_channels > 1 && (hrt_absolute_time() - ppm_last_valid_decode) < 45000) {
- /* Read out values from HRT */
- for (unsigned int i = 0; i < ppm_decoded_channels; i++) {
- rc.chan[i].raw = ppm_buffer[i];
- /* Set the range to +-, then scale up */
- rc.chan[i].scale = (ppm_buffer[i] - rc.chan[i].mid) * rc.chan[i].scaling_factor * 10000;
- rc.chan[i].scaled = (ppm_buffer[i] - rc.chan[i].mid) * rc.chan[i].scaling_factor;
- }
-
- rc.chan_count = ppm_decoded_channels;
- rc.timestamp = ppm_last_valid_decode;
-
- /* roll input */
- manual_control.roll = rc.chan[rc.function[ROLL]].scaled;
- if (manual_control.roll < -1.0f) manual_control.roll = -1.0f;
- if (manual_control.roll > 1.0f) manual_control.roll = 1.0f;
-
- /* pitch input */
- manual_control.pitch = rc.chan[rc.function[PITCH]].scaled;
- if (manual_control.pitch < -1.0f) manual_control.pitch = -1.0f;
- if (manual_control.pitch > 1.0f) manual_control.pitch = 1.0f;
-
- /* yaw input */
- manual_control.yaw = rc.chan[rc.function[YAW]].scaled;
- if (manual_control.yaw < -1.0f) manual_control.yaw = -1.0f;
- if (manual_control.yaw > 1.0f) manual_control.yaw = 1.0f;
-
- /* throttle input */
- manual_control.throttle = (rc.chan[rc.function[THROTTLE]].scaled+1.0f)/2.0f;
- if (manual_control.throttle < 0.0f) manual_control.throttle = 0.0f;
- if (manual_control.throttle > 1.0f) manual_control.throttle = 1.0f;
-
- /* mode switch input */
- manual_control.override_mode_switch = rc.chan[rc.function[OVERRIDE]].scaled;
- if (manual_control.override_mode_switch < -1.0f) manual_control.override_mode_switch = -1.0f;
- if (manual_control.override_mode_switch > 1.0f) manual_control.override_mode_switch = 1.0f;
-
- orb_publish(ORB_ID(rc_channels), rc_pub, &rc);
- orb_publish(ORB_ID(manual_control_setpoint), manual_control_pub, &manual_control);
-
- }
- last_ppm = hrt_absolute_time();
- }
-#endif
-
- read_loop_counter++;
- }
- }
-
- printf("[sensors] sensor readout stopped\n");
-
- close(fd_gyro);
- close(fd_magnetometer);
- close(fd_barometer);
- close(fd_adc);
-
- /* maintained for backwards-compatibility with v1.5 */
- close(fd_gyro_l3gd20);
- close(fd_bma180);
-
- close(gyro_sub);
- close(accel_sub);
- close(mag_sub);
- close(baro_sub);
-
- printf("[sensors] exiting.\n");
-
- thread_running = false;
-
- return ret;
-}
-
-static void
-usage(const char *reason)
-{
- if (reason)
- fprintf(stderr, "%s\n", reason);
- fprintf(stderr, "usage: sensors {start|stop|status}\n");
- exit(1);
-}
-
-int sensors_main(int argc, char *argv[])
-{
- if (argc < 1)
- usage("missing command");
-
- if (!strcmp(argv[1], "start")) {
-
- if (thread_running) {
- printf("sensors app already running\n");
- } else {
- thread_should_exit = false;
- sensors_task = task_create("sensors", SCHED_PRIORITY_MAX - 5, 4096, sensors_thread_main, (argv) ? (const char **)&argv[2] : (const char **)NULL);
- }
- exit(0);
- }
-
- if (!strcmp(argv[1], "stop")) {
- if (!thread_running) {
- printf("sensors app not started\n");
- } else {
- printf("stopping sensors app\n");
- thread_should_exit = true;
- }
- exit(0);
- }
-
- if (!strcmp(argv[1], "status")) {
- if (thread_running) {
- printf("\tsensors app is running\n");
- } else {
- printf("\tsensors app not started\n");
- }
- exit(0);
- }
-
- usage("unrecognized command");
- exit(1);
-}
-