src/platforms/posix: move to platforms/posix/src/px4/common and src/drivers/driver_framework_wrapper

This commit is contained in:
Beat Küng
2019-08-30 07:59:44 +02:00
parent fa8165a1c3
commit 5d0e72040c
38 changed files with 22 additions and 19 deletions
@@ -0,0 +1,45 @@
############################################################################
#
# Copyright (c) 2016 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.
#
############################################################################
include_directories(../../../lib/DriverFramework/drivers)
px4_add_module(
MODULE platforms__posix__drivers__df_mpu9250_wrapper
MAIN df_mpu9250_wrapper
SRCS
df_mpu9250_wrapper.cpp
DEPENDS
git_driverframework
df_driver_framework
df_mpu9250
)
@@ -0,0 +1,924 @@
/****************************************************************************
*
* Copyright (c) 2016 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 df_mpu9250_wrapper.cpp
* Lightweight driver to access the MPU9250 of the DriverFramework.
*
* @author Julian Oes <julian@oes.ch>
*/
#include <px4_config.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdint.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <unistd.h>
#include <px4_getopt.h>
#include <errno.h>
#include <systemlib/err.h>
#include <perf/perf_counter.h>
#include <systemlib/mavlink_log.h>
#include <drivers/drv_hrt.h>
#include <drivers/drv_accel.h>
#include <drivers/drv_gyro.h>
#include <drivers/drv_mag.h>
#include <drivers/device/integrator.h>
#include <mathlib/math/filter/LowPassFilter2p.hpp>
#include <lib/conversion/rotation.h>
#include <uORB/topics/parameter_update.h>
#include <mpu9250/MPU9250.hpp>
#include <DevMgr.hpp>
#define MPU9250_ACCEL_DEFAULT_RATE 1000
#define MPU9250_GYRO_DEFAULT_RATE 1000
#define MPU9250_ACCEL_DEFAULT_DRIVER_FILTER_FREQ 30
#define MPU9250_GYRO_DEFAULT_DRIVER_FILTER_FREQ 30
#define MPU9250_PUB_RATE 280
extern "C" { __EXPORT int df_mpu9250_wrapper_main(int argc, char *argv[]); }
using namespace DriverFramework;
class DfMpu9250Wrapper : public MPU9250
{
public:
DfMpu9250Wrapper(bool mag_enabled, enum Rotation rotation);
~DfMpu9250Wrapper();
/**
* Start automatic measurement.
*
* @return 0 on success
*/
int start();
/**
* Stop automatic measurement.
*
* @return 0 on success
*/
int stop();
/**
* Print some debug info.
*/
void info();
private:
int _publish(struct imu_sensor_data &data);
void _update_accel_calibration();
void _update_gyro_calibration();
void _update_mag_calibration();
orb_advert_t _accel_topic;
orb_advert_t _gyro_topic;
orb_advert_t _mag_topic;
orb_advert_t _mavlink_log_pub;
int _param_update_sub;
struct accel_calibration_s {
float x_offset;
float x_scale;
float y_offset;
float y_scale;
float z_offset;
float z_scale;
} _accel_calibration;
struct gyro_calibration_s {
float x_offset;
float x_scale;
float y_offset;
float y_scale;
float z_offset;
float z_scale;
} _gyro_calibration;
struct mag_calibration_s {
float x_offset;
float x_scale;
float y_offset;
float y_scale;
float z_offset;
float z_scale;
} _mag_calibration;
int _accel_orb_class_instance;
int _gyro_orb_class_instance;
int _mag_orb_class_instance;
Integrator _accel_int;
Integrator _gyro_int;
math::LowPassFilter2p _accel_filter_x;
math::LowPassFilter2p _accel_filter_y;
math::LowPassFilter2p _accel_filter_z;
math::LowPassFilter2p _gyro_filter_x;
math::LowPassFilter2p _gyro_filter_y;
math::LowPassFilter2p _gyro_filter_z;
perf_counter_t _read_counter;
perf_counter_t _error_counter;
perf_counter_t _fifo_overflow_counter;
perf_counter_t _fifo_corruption_counter;
perf_counter_t _gyro_range_hit_counter;
perf_counter_t _accel_range_hit_counter;
perf_counter_t _mag_fifo_overflow_counter;
perf_counter_t _publish_perf;
hrt_abstime _last_accel_range_hit_time;
uint64_t _last_accel_range_hit_count;
bool _mag_enabled;
enum Rotation _rotation;
};
DfMpu9250Wrapper::DfMpu9250Wrapper(bool mag_enabled, enum Rotation rotation) :
MPU9250(IMU_DEVICE_PATH, mag_enabled),
_accel_topic(nullptr),
_gyro_topic(nullptr),
_mag_topic(nullptr),
_mavlink_log_pub(nullptr),
_param_update_sub(-1),
_accel_calibration{},
_gyro_calibration{},
_mag_calibration{},
_accel_orb_class_instance(-1),
_gyro_orb_class_instance(-1),
_mag_orb_class_instance(-1),
_accel_int(1000000 / MPU9250_PUB_RATE, false),
_gyro_int(1000000 / MPU9250_PUB_RATE, true),
_accel_filter_x(MPU9250_ACCEL_DEFAULT_RATE, MPU9250_ACCEL_DEFAULT_DRIVER_FILTER_FREQ),
_accel_filter_y(MPU9250_ACCEL_DEFAULT_RATE, MPU9250_ACCEL_DEFAULT_DRIVER_FILTER_FREQ),
_accel_filter_z(MPU9250_ACCEL_DEFAULT_RATE, MPU9250_ACCEL_DEFAULT_DRIVER_FILTER_FREQ),
_gyro_filter_x(MPU9250_GYRO_DEFAULT_RATE, MPU9250_GYRO_DEFAULT_DRIVER_FILTER_FREQ),
_gyro_filter_y(MPU9250_GYRO_DEFAULT_RATE, MPU9250_GYRO_DEFAULT_DRIVER_FILTER_FREQ),
_gyro_filter_z(MPU9250_GYRO_DEFAULT_RATE, MPU9250_GYRO_DEFAULT_DRIVER_FILTER_FREQ),
_read_counter(perf_alloc(PC_COUNT, "mpu9250_reads")),
_error_counter(perf_alloc(PC_COUNT, "mpu9250_errors")),
_fifo_overflow_counter(perf_alloc(PC_COUNT, "mpu9250_fifo_overflows")),
_fifo_corruption_counter(perf_alloc(PC_COUNT, "mpu9250_fifo_corruptions")),
_gyro_range_hit_counter(perf_alloc(PC_COUNT, "mpu9250_gyro_range_hits")),
_accel_range_hit_counter(perf_alloc(PC_COUNT, "mpu9250_accel_range_hits")),
_mag_fifo_overflow_counter(perf_alloc(PC_COUNT, "mpu9250_mag_fifo_overflows")),
_publish_perf(perf_alloc(PC_ELAPSED, "mpu9250_publish")),
_last_accel_range_hit_time(0),
_last_accel_range_hit_count(0),
_mag_enabled(mag_enabled),
_rotation(rotation)
{
// Set sane default calibration values
_accel_calibration.x_scale = 1.0f;
_accel_calibration.y_scale = 1.0f;
_accel_calibration.z_scale = 1.0f;
_accel_calibration.x_offset = 0.0f;
_accel_calibration.y_offset = 0.0f;
_accel_calibration.z_offset = 0.0f;
_gyro_calibration.x_scale = 1.0f;
_gyro_calibration.y_scale = 1.0f;
_gyro_calibration.z_scale = 1.0f;
_gyro_calibration.x_offset = 0.0f;
_gyro_calibration.y_offset = 0.0f;
_gyro_calibration.z_offset = 0.0f;
if (_mag_enabled) {
_mag_calibration.x_scale = 1.0f;
_mag_calibration.y_scale = 1.0f;
_mag_calibration.z_scale = 1.0f;
_mag_calibration.x_offset = 0.0f;
_mag_calibration.y_offset = 0.0f;
_mag_calibration.z_offset = 0.0f;
}
// set software low pass filter for controllers
param_t param_handle = param_find("IMU_ACCEL_CUTOFF");
float param_val = MPU9250_ACCEL_DEFAULT_DRIVER_FILTER_FREQ;
if (param_handle != PARAM_INVALID && (param_get(param_handle, &param_val) == PX4_OK)) {
_accel_filter_x.set_cutoff_frequency(MPU9250_ACCEL_DEFAULT_RATE, param_val);
_accel_filter_y.set_cutoff_frequency(MPU9250_ACCEL_DEFAULT_RATE, param_val);
_accel_filter_z.set_cutoff_frequency(MPU9250_ACCEL_DEFAULT_RATE, param_val);
} else {
PX4_ERR("IMU_ACCEL_CUTOFF param invalid");
}
param_handle = param_find("IMU_GYRO_CUTOFF");
param_val = MPU9250_GYRO_DEFAULT_DRIVER_FILTER_FREQ;
if (param_handle != PARAM_INVALID && (param_get(param_handle, &param_val) == PX4_OK)) {
_gyro_filter_x.set_cutoff_frequency(MPU9250_GYRO_DEFAULT_RATE, param_val);
_gyro_filter_y.set_cutoff_frequency(MPU9250_GYRO_DEFAULT_RATE, param_val);
_gyro_filter_z.set_cutoff_frequency(MPU9250_GYRO_DEFAULT_RATE, param_val);
} else {
PX4_ERR("IMU_GYRO_CUTOFF param invalid");
}
}
DfMpu9250Wrapper::~DfMpu9250Wrapper()
{
perf_free(_read_counter);
perf_free(_error_counter);
perf_free(_fifo_overflow_counter);
perf_free(_fifo_corruption_counter);
perf_free(_gyro_range_hit_counter);
perf_free(_accel_range_hit_counter);
if (_mag_enabled) {
perf_free(_mag_fifo_overflow_counter);
}
perf_free(_publish_perf);
}
int DfMpu9250Wrapper::start()
{
// TODO: don't publish garbage here
sensor_accel_s accel_report = {};
_accel_topic = orb_advertise_multi(ORB_ID(sensor_accel), &accel_report,
&_accel_orb_class_instance, ORB_PRIO_DEFAULT);
if (_accel_topic == nullptr) {
PX4_ERR("sensor_accel advert fail");
return -1;
}
// TODO: don't publish garbage here
sensor_gyro_s gyro_report = {};
_gyro_topic = orb_advertise_multi(ORB_ID(sensor_gyro), &gyro_report,
&_gyro_orb_class_instance, ORB_PRIO_DEFAULT);
if (_gyro_topic == nullptr) {
PX4_ERR("sensor_gyro advert fail");
return -1;
}
if (_mag_enabled) {
}
/* Subscribe to param update topic. */
if (_param_update_sub < 0) {
_param_update_sub = orb_subscribe(ORB_ID(parameter_update));
}
/* Init device and start sensor. */
int ret = init();
if (ret != 0) {
PX4_ERR("MPU9250 init fail: %d", ret);
return ret;
}
ret = MPU9250::start();
if (ret != 0) {
PX4_ERR("MPU9250 start fail: %d", ret);
return ret;
}
PX4_DEBUG("MPU9250 device id is: %d", m_id.dev_id);
/* Force getting the calibration values. */
_update_accel_calibration();
_update_gyro_calibration();
_update_mag_calibration();
return 0;
}
int DfMpu9250Wrapper::stop()
{
/* Stop sensor. */
int ret = MPU9250::stop();
if (ret != 0) {
PX4_ERR("MPU9250 stop fail: %d", ret);
return ret;
}
return 0;
}
void DfMpu9250Wrapper::info()
{
perf_print_counter(_read_counter);
perf_print_counter(_error_counter);
perf_print_counter(_fifo_overflow_counter);
perf_print_counter(_fifo_corruption_counter);
perf_print_counter(_gyro_range_hit_counter);
perf_print_counter(_accel_range_hit_counter);
if (_mag_enabled) {
perf_print_counter(_mag_fifo_overflow_counter);
}
perf_print_counter(_publish_perf);
}
void DfMpu9250Wrapper::_update_gyro_calibration()
{
// TODO: replace magic number
for (unsigned i = 0; i < 3; ++i) {
// TODO: remove printfs and add error counter
char str[30];
(void)sprintf(str, "CAL_GYRO%u_ID", i);
int32_t device_id;
int res = param_get(param_find(str), &device_id);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
continue;
}
if ((uint32_t)device_id != m_id.dev_id) {
continue;
}
(void)sprintf(str, "CAL_GYRO%u_XSCALE", i);
res = param_get(param_find(str), &_gyro_calibration.x_scale);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
(void)sprintf(str, "CAL_GYRO%u_YSCALE", i);
res = param_get(param_find(str), &_gyro_calibration.y_scale);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
(void)sprintf(str, "CAL_GYRO%u_ZSCALE", i);
res = param_get(param_find(str), &_gyro_calibration.z_scale);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
(void)sprintf(str, "CAL_GYRO%u_XOFF", i);
res = param_get(param_find(str), &_gyro_calibration.x_offset);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
(void)sprintf(str, "CAL_GYRO%u_YOFF", i);
res = param_get(param_find(str), &_gyro_calibration.y_offset);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
(void)sprintf(str, "CAL_GYRO%u_ZOFF", i);
res = param_get(param_find(str), &_gyro_calibration.z_offset);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
// We got calibration values, let's exit.
return;
}
_gyro_calibration.x_scale = 1.0f;
_gyro_calibration.y_scale = 1.0f;
_gyro_calibration.z_scale = 1.0f;
_gyro_calibration.x_offset = 0.0f;
_gyro_calibration.y_offset = 0.0f;
_gyro_calibration.z_offset = 0.0f;
}
void DfMpu9250Wrapper::_update_accel_calibration()
{
// TODO: replace magic number
for (unsigned i = 0; i < 3; ++i) {
// TODO: remove printfs and add error counter
char str[30];
(void)sprintf(str, "CAL_ACC%u_ID", i);
int32_t device_id;
int res = param_get(param_find(str), &device_id);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
continue;
}
if ((uint32_t)device_id != m_id.dev_id) {
continue;
}
(void)sprintf(str, "CAL_ACC%u_XSCALE", i);
res = param_get(param_find(str), &_accel_calibration.x_scale);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
(void)sprintf(str, "CAL_ACC%u_YSCALE", i);
res = param_get(param_find(str), &_accel_calibration.y_scale);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
(void)sprintf(str, "CAL_ACC%u_ZSCALE", i);
res = param_get(param_find(str), &_accel_calibration.z_scale);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
(void)sprintf(str, "CAL_ACC%u_XOFF", i);
res = param_get(param_find(str), &_accel_calibration.x_offset);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
(void)sprintf(str, "CAL_ACC%u_YOFF", i);
res = param_get(param_find(str), &_accel_calibration.y_offset);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
(void)sprintf(str, "CAL_ACC%u_ZOFF", i);
res = param_get(param_find(str), &_accel_calibration.z_offset);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
// We got calibration values, let's exit.
return;
}
// Set sane default calibration values
_accel_calibration.x_scale = 1.0f;
_accel_calibration.y_scale = 1.0f;
_accel_calibration.z_scale = 1.0f;
_accel_calibration.x_offset = 0.0f;
_accel_calibration.y_offset = 0.0f;
_accel_calibration.z_offset = 0.0f;
}
void DfMpu9250Wrapper::_update_mag_calibration()
{
if (!_mag_enabled) {
return;
}
// TODO: replace magic number
for (unsigned i = 0; i < 3; ++i) {
// TODO: remove printfs and add error counter
char str[30];
(void)sprintf(str, "CAL_MAG%u_ID", i);
int32_t device_id;
int res = param_get(param_find(str), &device_id);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
continue;
}
if ((uint32_t)device_id != m_id.dev_id) {
continue;
}
(void)sprintf(str, "CAL_MAG%u_XSCALE", i);
res = param_get(param_find(str), &_mag_calibration.x_scale);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
(void)sprintf(str, "CAL_MAG%u_YSCALE", i);
res = param_get(param_find(str), &_mag_calibration.y_scale);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
(void)sprintf(str, "CAL_MAG%u_ZSCALE", i);
res = param_get(param_find(str), &_mag_calibration.z_scale);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
(void)sprintf(str, "CAL_MAG%u_XOFF", i);
res = param_get(param_find(str), &_mag_calibration.x_offset);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
(void)sprintf(str, "CAL_MAG%u_YOFF", i);
res = param_get(param_find(str), &_mag_calibration.y_offset);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
(void)sprintf(str, "CAL_MAG%u_ZOFF", i);
res = param_get(param_find(str), &_mag_calibration.z_offset);
if (res != OK) {
PX4_ERR("Could not access param %s", str);
}
// We got calibration values, let's exit.
return;
}
// Set sane default calibration values
_mag_calibration.x_scale = 1.0f;
_mag_calibration.y_scale = 1.0f;
_mag_calibration.z_scale = 1.0f;
_mag_calibration.x_offset = 0.0f;
_mag_calibration.y_offset = 0.0f;
_mag_calibration.z_offset = 0.0f;
}
int DfMpu9250Wrapper::_publish(struct imu_sensor_data &data)
{
/* Check if calibration values are still up-to-date. */
bool updated;
orb_check(_param_update_sub, &updated);
if (updated) {
parameter_update_s parameter_update;
orb_copy(ORB_ID(parameter_update), _param_update_sub, &parameter_update);
_update_accel_calibration();
_update_gyro_calibration();
_update_mag_calibration();
}
sensor_accel_s accel_report = {};
sensor_gyro_s gyro_report = {};
mag_report mag_report = {};
accel_report.timestamp = gyro_report.timestamp = hrt_absolute_time();
accel_report.error_count = gyro_report.error_count = mag_report.error_count = data.error_counter;
// ACCEL
float xraw_f = data.accel_m_s2_x;
float yraw_f = data.accel_m_s2_y;
float zraw_f = data.accel_m_s2_z;
// apply user specified rotation
rotate_3f(_rotation, xraw_f, yraw_f, zraw_f);
// MPU9250 driver from DriverFramework does not provide any raw values
// TEMP We misuse the raw values on the Snapdragon to publish unfiltered data for VISLAM
accel_report.x_raw = (int16_t)(xraw_f * 1000); // (int16) [m / s^2 * 1000];
accel_report.y_raw = (int16_t)(yraw_f * 1000); // (int16) [m / s^2 * 1000];
accel_report.z_raw = (int16_t)(zraw_f * 1000); // (int16) [m / s^2 * 1000];
// adjust values according to the calibration
float x_in_new = (xraw_f - _accel_calibration.x_offset) * _accel_calibration.x_scale;
float y_in_new = (yraw_f - _accel_calibration.y_offset) * _accel_calibration.y_scale;
float z_in_new = (zraw_f - _accel_calibration.z_offset) * _accel_calibration.z_scale;
accel_report.x = _accel_filter_x.apply(x_in_new);
accel_report.y = _accel_filter_y.apply(y_in_new);
accel_report.z = _accel_filter_z.apply(z_in_new);
matrix::Vector3f aval(x_in_new, y_in_new, z_in_new);
matrix::Vector3f aval_integrated;
_accel_int.put(accel_report.timestamp, aval, aval_integrated, accel_report.integral_dt);
accel_report.x_integral = aval_integrated(0);
accel_report.y_integral = aval_integrated(1);
accel_report.z_integral = aval_integrated(2);
// GYRO
xraw_f = data.gyro_rad_s_x;
yraw_f = data.gyro_rad_s_y;
zraw_f = data.gyro_rad_s_z;
// apply user specified rotation
rotate_3f(_rotation, xraw_f, yraw_f, zraw_f);
// MPU9250 driver from DriverFramework does not provide any raw values
// TEMP We misuse the raw values on the Snapdragon to publish unfiltered data for VISLAM
gyro_report.x_raw = (int16_t)(xraw_f * 1000); // (int16) [rad / s * 1000];
gyro_report.y_raw = (int16_t)(yraw_f * 1000); // (int16) [rad / s * 1000];
gyro_report.z_raw = (int16_t)(zraw_f * 1000); // (int16) [rad / s * 1000];
// adjust values according to the calibration
float x_gyro_in_new = (xraw_f - _gyro_calibration.x_offset) * _gyro_calibration.x_scale;
float y_gyro_in_new = (yraw_f - _gyro_calibration.y_offset) * _gyro_calibration.y_scale;
float z_gyro_in_new = (zraw_f - _gyro_calibration.z_offset) * _gyro_calibration.z_scale;
gyro_report.x = _gyro_filter_x.apply(x_gyro_in_new);
gyro_report.y = _gyro_filter_y.apply(y_gyro_in_new);
gyro_report.z = _gyro_filter_z.apply(z_gyro_in_new);
matrix::Vector3f gval(x_gyro_in_new, y_gyro_in_new, z_gyro_in_new);
matrix::Vector3f gval_integrated;
bool sensor_notify = _gyro_int.put(gyro_report.timestamp, gval, gval_integrated, gyro_report.integral_dt);
gyro_report.x_integral = gval_integrated(0);
gyro_report.y_integral = gval_integrated(1);
gyro_report.z_integral = gval_integrated(2);
// if gyro integrator did not return a sample we can return here
// Note: the accel integrator receives the same timestamp as the gyro integrator
// so we do not need to handle it seperately
if (!sensor_notify) {
return 0;
}
// Update all the counters.
perf_set_count(_read_counter, data.read_counter);
perf_set_count(_error_counter, data.error_counter);
perf_set_count(_fifo_overflow_counter, data.fifo_overflow_counter);
perf_set_count(_fifo_corruption_counter, data.fifo_overflow_counter);
perf_set_count(_gyro_range_hit_counter, data.gyro_range_hit_counter);
perf_set_count(_accel_range_hit_counter, data.accel_range_hit_counter);
if (_mag_enabled) {
perf_set_count(_mag_fifo_overflow_counter, data.mag_fifo_overflow_counter);
}
perf_begin(_publish_perf);
// TODO: get these right
gyro_report.scaling = -1.0f;
gyro_report.device_id = m_id.dev_id;
accel_report.scaling = -1.0f;
accel_report.device_id = m_id.dev_id;
if (_mag_enabled) {
mag_report.timestamp = accel_report.timestamp;
mag_report.is_external = false;
mag_report.scaling = -1.0f;
mag_report.device_id = m_id.dev_id;
xraw_f = data.mag_ga_x;
yraw_f = data.mag_ga_y;
zraw_f = data.mag_ga_z;
rotate_3f(_rotation, xraw_f, yraw_f, zraw_f);
// MPU9250 driver from DriverFramework does not provide any raw values
// TEMP We misuse the raw values on the Snapdragon to publish unfiltered data for VISLAM
mag_report.x_raw = xraw_f * 1000; // (int16) [Gs * 1000]
mag_report.y_raw = yraw_f * 1000; // (int16) [Gs * 1000]
mag_report.z_raw = zraw_f * 1000; // (int16) [Gs * 1000]
mag_report.x = (xraw_f - _mag_calibration.x_offset) * _mag_calibration.x_scale;
mag_report.y = (yraw_f - _mag_calibration.y_offset) * _mag_calibration.y_scale;
mag_report.z = (zraw_f - _mag_calibration.z_offset) * _mag_calibration.z_scale;
}
// TODO: when is this ever blocked?
if (!(m_pub_blocked) && sensor_notify) {
if (_gyro_topic != nullptr) {
orb_publish(ORB_ID(sensor_gyro), _gyro_topic, &gyro_report);
}
if (_accel_topic != nullptr) {
orb_publish(ORB_ID(sensor_accel), _accel_topic, &accel_report);
}
if (_mag_enabled) {
if (_mag_topic == nullptr) {
_mag_topic = orb_advertise_multi(ORB_ID(sensor_mag), &mag_report,
&_mag_orb_class_instance, ORB_PRIO_LOW);
} else {
orb_publish(ORB_ID(sensor_mag), _mag_topic, &mag_report);
}
}
// Report if there are high vibrations, every 10 times it happens.
const bool threshold_reached = (data.accel_range_hit_counter - _last_accel_range_hit_count > 10);
// Report every 5s.
const bool due_to_report = (hrt_elapsed_time(&_last_accel_range_hit_time) > 5000000);
if (threshold_reached && due_to_report) {
mavlink_log_critical(&_mavlink_log_pub,
"High accelerations, range exceeded %llu times",
data.accel_range_hit_counter);
_last_accel_range_hit_time = hrt_absolute_time();
_last_accel_range_hit_count = data.accel_range_hit_counter;
}
}
perf_end(_publish_perf);
// TODO: check the return codes of this function
return 0;
};
namespace df_mpu9250_wrapper
{
DfMpu9250Wrapper *g_dev = nullptr;
int start(bool mag_enabled, enum Rotation rotation);
int stop();
int info();
void usage();
int start(bool mag_enabled, enum Rotation rotation)
{
g_dev = new DfMpu9250Wrapper(mag_enabled, rotation);
if (g_dev == nullptr) {
PX4_ERR("failed instantiating DfMpu9250Wrapper object");
return -1;
}
int ret = g_dev->start();
if (ret != 0) {
PX4_ERR("DfMpu9250Wrapper start failed");
return ret;
}
// Open the IMU sensor
DevHandle h;
DevMgr::getHandle(IMU_DEVICE_PATH, h);
if (!h.isValid()) {
DF_LOG_INFO("Error: unable to obtain a valid handle for the receiver at: %s (%d)",
IMU_DEVICE_PATH, h.getError());
return -1;
}
DevMgr::releaseHandle(h);
return 0;
}
int stop()
{
if (g_dev == nullptr) {
PX4_ERR("driver not running");
return 1;
}
int ret = g_dev->stop();
if (ret != 0) {
PX4_ERR("driver could not be stopped");
return ret;
}
delete g_dev;
g_dev = nullptr;
return 0;
}
/**
* Print a little info about the driver.
*/
int
info()
{
if (g_dev == nullptr) {
PX4_ERR("driver not running");
return 1;
}
PX4_INFO("state @ %p", g_dev);
g_dev->info();
return 0;
}
void
usage()
{
PX4_INFO("Usage: df_mpu9250_wrapper 'start', 'start_without_mag', 'info', 'stop'");
PX4_INFO("options:");
PX4_INFO(" -R rotation");
}
} // namespace df_mpu9250_wrapper
int
df_mpu9250_wrapper_main(int argc, char *argv[])
{
int ch;
enum Rotation rotation = ROTATION_NONE;
int ret = 0;
int myoptind = 1;
const char *myoptarg = NULL;
/* jump over start/off/etc and look at options first */
while ((ch = px4_getopt(argc, argv, "R:", &myoptind, &myoptarg)) != EOF) {
switch (ch) {
case 'R':
rotation = (enum Rotation)atoi(myoptarg);
break;
default:
df_mpu9250_wrapper::usage();
return 0;
}
}
if (argc <= 1) {
df_mpu9250_wrapper::usage();
return 1;
}
const char *verb = argv[myoptind];
if (!strcmp(verb, "start_without_mag")) {
ret = df_mpu9250_wrapper::start(false, rotation);
}
else if (!strcmp(verb, "start")) {
ret = df_mpu9250_wrapper::start(true, rotation);
}
else if (!strcmp(verb, "stop")) {
ret = df_mpu9250_wrapper::stop();
}
else if (!strcmp(verb, "info")) {
ret = df_mpu9250_wrapper::info();
}
else {
df_mpu9250_wrapper::usage();
return 1;
}
return ret;
}