drivers: add support for Aerotenna OcPoC-Zynq hardware

This commit is contained in:
davidaroyer
2017-06-04 04:24:50 +08:00
committed by Lorenz Meier
parent dbbe3c0863
commit 0510cd5992
8 changed files with 1267 additions and 1 deletions
+58
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@@ -0,0 +1,58 @@
/****************************************************************************
*
* Copyright (c) 2017 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 board_config.h
*
* OCPOC internal definitions
*/
#pragma once
#define BOARD_OVERRIDE_UUID "OCPOC " // must be of length 12 (PX4_CPU_UUID_BYTE_LENGTH)
#define BOARD_OVERRIDE_MFGUID BOARD_OVERRIDE_UUID
#define BOARD_NAME "OCPOC"
#define BOARD_BATTERY1_V_DIV (10.177939394f)
#define BOARD_HAS_NO_RESET
#define BOARD_HAS_NO_BOOTLOADER
// Battery ADC channels
#define ADC_BATTERY_VOLTAGE_CHANNEL 10
#define ADC_BATTERY_CURRENT_CHANNEL ((uint8_t)(-1))
#define ADC_AIRSPEED_VOLTAGE_CHANNEL 11
#include <system_config.h>
#include "../common/board_common.h"
#define BOARD_MAX_LEDS 1 // Number external of LED's this board has
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@@ -57,5 +57,8 @@
// set the queue size to the number of LED's, so that each led can be controlled individually
static const int LED_UORB_QUEUE_LENGTH = BOARD_MAX_LEDS;
#if defined (__PX4_POSIX_OCPOC)
#define RGBLED0_DEVICE_PATH "/dev/i2c-1"
#else
#define RGBLED0_DEVICE_PATH "/dev/rgbled0"
#endif
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############################################################################
#
# Copyright (c) 2015-2017 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.
#
############################################################################
px4_add_module(
MODULE drivers__ocpoc_adc
MAIN ocpoc_adc
COMPILE_FLAGS
SRCS
ocpoc_adc.cpp
DEPENDS
platforms__common
)
# vim: set noet ft=cmake fenc=utf-8 ff=unix :
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/****************************************************************************
*
* Copyright (c) 2012-2017 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 ocpoc_adc.cpp
*
* OcPoC ADC Driver
*
* @author Lianying Ji <ji@aerotenna.com>
* @author Dave Royer <dave@aerotenna.com>
*/
#include <px4_config.h>
#include <px4_tasks.h>
#include <px4_posix.h>
#include <px4_adc.h>
#include <drivers/drv_adc.h>
#include <VirtDevObj.hpp>
#include <unistd.h>
#include <stdio.h>
#include <poll.h>
#include <string.h>
#define ADC_BASE_DEV_PATH "/dev/adc"
#define ADC_VOLTAGE_PATH "/sys/bus/iio/devices/iio:device0/in_voltage8_raw"
__BEGIN_DECLS
__EXPORT int ocpoc_adc_main(int argc, char *argv[]);
__END_DECLS
class OcpocADC: public DriverFramework::VirtDevObj
{
public:
OcpocADC();
virtual ~OcpocADC();
virtual int init();
virtual ssize_t devRead(void *buf, size_t count) override;
virtual int devIOCTL(unsigned long request, unsigned long arg) override;
protected:
virtual void _measure() override;
private:
int read(struct adc_msg_s(*buf)[12], unsigned int len);
pthread_mutex_t _samples_lock;
adc_msg_s _samples;
FILE *xadc_fd;
};
OcpocADC::OcpocADC()
: DriverFramework::VirtDevObj("ocpoc_adc", ADC0_DEVICE_PATH, ADC_BASE_DEV_PATH, 1e6 / 100)
{
pthread_mutex_init(&_samples_lock, NULL);
}
OcpocADC::~OcpocADC()
{
pthread_mutex_destroy(&_samples_lock);
}
void OcpocADC::_measure()
{
struct adc_msg_s tmp_samples[12];
int ret = read(&tmp_samples, sizeof(tmp_samples));
if (ret != 0) {
PX4_ERR("ocpoc_adc_read: %d", ret);
}
pthread_mutex_lock(&_samples_lock);
memcpy(&_samples, &tmp_samples, sizeof(tmp_samples));
pthread_mutex_unlock(&_samples_lock);
}
int OcpocADC::init()
{
int ret;
ret = DriverFramework::VirtDevObj::init();
if (ret != PX4_OK) {
PX4_ERR("init failed");
return ret;
}
return PX4_OK;
}
int OcpocADC::devIOCTL(unsigned long request, unsigned long arg)
{
return -ENOTTY;
}
ssize_t OcpocADC::devRead(void *buf, size_t count)
{
const size_t maxsize = sizeof(_samples);
int ret;
if (count > maxsize) {
count = maxsize;
}
ret = pthread_mutex_trylock(&_samples_lock);
if (ret != 0) {
return 0;
}
memcpy(buf, &_samples, count);
pthread_mutex_unlock(&_samples_lock);
return count;
}
int OcpocADC::read(struct adc_msg_s(*buf)[12], unsigned int len)
{
uint32_t buff[1];
int ret = 0;
xadc_fd = fopen(ADC_VOLTAGE_PATH, "r");
if (xadc_fd != NULL) {
fscanf(xadc_fd, "%d", buff);
fclose(xadc_fd);
(*buf)[0].am_data = buff[0];
} else {
(*buf)[0].am_data = 0;
ret = -1;
}
(*buf)[0].am_channel = ADC_BATTERY_VOLTAGE_CHANNEL;
return ret;
}
static OcpocADC *instance = nullptr;
int ocpoc_adc_main(int argc, char *argv[])
{
int ret;
if (argc < 2) {
PX4_WARN("usage: {start|stop|test}");
return PX4_ERROR;
}
if (!strcmp(argv[1], "start")) {
if (instance) {
PX4_WARN("already started");
return PX4_OK;
}
instance = new OcpocADC;
if (!instance) {
PX4_WARN("not enough memory");
return PX4_ERROR;
}
if (instance->init() != PX4_OK) {
delete instance;
instance = nullptr;
PX4_WARN("init failed");
return PX4_ERROR;
}
return PX4_OK;
} else if (!strcmp(argv[1], "stop")) {
if (!instance) {
PX4_WARN("already stopped");
return PX4_OK;
}
delete instance;
instance = nullptr;
return PX4_OK;
} else if (!strcmp(argv[1], "test")) {
if (!instance) {
PX4_ERR("start first");
return PX4_ERROR;
}
struct adc_msg_s adc_msgs[12];
ret = instance->devRead((char *)&adc_msgs, sizeof(adc_msgs));
if (ret < 0) {
PX4_ERR("ret: %s (%d)\n", strerror(ret), ret);
return ret;
} else {
PX4_INFO("ADC Data: %d", adc_msgs[0].am_data);
}
return PX4_OK;
} else {
PX4_WARN("action (%s) not supported", argv[1]);
return PX4_ERROR;
}
return PX4_OK;
}
@@ -0,0 +1,42 @@
############################################################################
#
# Copyright (c) 2015-2016 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.
#
############################################################################
px4_add_module(
MODULE drivers__ocpoc_mmap_pwm_out
MAIN ocpoc_mmap_pwm_out
COMPILE_FLAGS -Os
SRCS
ocpoc_mmap_pwm_out.cpp
DEPENDS
platforms__common
)
# vim: set noet ft=cmake fenc=utf-8 ff=unix :
@@ -0,0 +1,527 @@
/****************************************************************************
*
* Copyright (c) 2015-2016 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 <stdint.h>
#include <px4_tasks.h>
#include <px4_getopt.h>
#include <px4_posix.h>
#include <errno.h>
#include <uORB/uORB.h>
#include <uORB/topics/actuator_controls.h>
#include <uORB/topics/actuator_outputs.h>
#include <uORB/topics/actuator_armed.h>
#include <drivers/drv_hrt.h>
#include <drivers/drv_mixer.h>
#include <systemlib/mixer/mixer.h>
#include <systemlib/mixer/mixer_multirotor.generated.h>
#include <systemlib/param/param.h>
#include <systemlib/pwm_limit/pwm_limit.h>
#include <sys/mman.h>
#include <signal.h>
namespace ocpoc_mmap_pwm_out
{
#define RCOUT_ZYNQ_PWM_BASE 0x43c00000
#define MAX_ZYNQ_PWMS 8 /* number of pwm channels */
static const int TICK_PER_US = 50;
static const int NUM_PWM = 8;
static px4_task_t _task_handle = -1;
volatile bool _task_should_exit = false;
static bool _is_running = false;
// Period|Hi 32 bits each
struct s_period_hi {
uint32_t period;
uint32_t hi;
};
struct pwm_cmd {
struct s_period_hi periodhi[MAX_ZYNQ_PWMS];
};
volatile struct pwm_cmd *sharedMem_cmd = nullptr; // jly
static char _device[32] = "/dev/mem";
static const int TICK_PER_S = 50000000;
static const int FREQUENCY_PWM = 400;
static const char *MIXER_FILENAME = "/home/root/ROMFS/px4fmu_common/mixers/ocpoc_quad_x.main.mix";
// subscriptions
int _controls_sub;
int _armed_sub;
int _rc_channels_sub; // 2016-10-28 for esc calib
// publications
orb_advert_t _outputs_pub = nullptr;
orb_advert_t _rc_pub = nullptr;
// topic structures
actuator_controls_s _controls;
actuator_outputs_s _outputs;
actuator_armed_s _armed;
pwm_limit_t _pwm_limit;
// esc parameters
int32_t _pwm_disarmed;
int32_t _pwm_min;
int32_t _pwm_max;
MultirotorMixer *_mixer = nullptr;
void usage();
void start();
void stop();
int pwm_write_sysfs(char *path, int value);
unsigned long freq2tick(uint16_t freq_hz);
int pwm_initialize(const char *device);
void pwm_deinitialize();
void send_outputs_pwm(const uint16_t *pwm);
void task_main_trampoline(int argc, char *argv[]);
void task_main(int argc, char *argv[]);
/* mixer initialization */
int initialize_mixer(const char *mixer_filename);
int mixer_control_callback(uintptr_t handle, uint8_t control_group, uint8_t control_index, float &input);
int mixer_control_callback(uintptr_t handle,
uint8_t control_group,
uint8_t control_index,
float &input)
{
const actuator_controls_s *controls = (actuator_controls_s *)handle;
input = controls[control_group].control[control_index];
return 0;
}
int initialize_mixer(const char *mixer_filename)
{
char buf[2048];
unsigned buflen = sizeof(buf);
PX4_INFO("Trying to initialize mixer from config file %s", mixer_filename);
int fd_load = ::open(mixer_filename, O_RDONLY);
if (fd_load != -1) {
int nRead = ::read(fd_load, buf, buflen);
close(fd_load);
if (nRead > 0) {
_mixer = MultirotorMixer::from_text(mixer_control_callback, (uintptr_t)&_controls, buf, buflen);
if (_mixer != nullptr) {
PX4_INFO("Successfully initialized mixer from config file");
return 0;
} else {
PX4_ERR("Unable to parse from mixer config file");
return -1;
}
} else {
PX4_WARN("Unable to read from mixer config file");
return -2;
}
} else {
PX4_WARN("No mixer config file found, using default mixer.");
/* Mixer file loading failed, fall back to default mixer configuration for
* QUAD_X airframe. */
float roll_scale = 1;
float pitch_scale = 1;
float yaw_scale = 1;
float deadband = 0.13;
_mixer = new MultirotorMixer(mixer_control_callback, (uintptr_t)&_controls,
MultirotorGeometry::QUAD_X,
roll_scale, pitch_scale, yaw_scale, deadband);
// TODO: temporary hack to make this compile
(void)_config_index[0];
if (_mixer == nullptr) {
PX4_ERR("Mixer initialization failed");
return -1;
}
return 0;
}
}
unsigned long freq2tick(uint16_t freq_hz)
{
unsigned long duty = TICK_PER_S/(unsigned long)freq_hz;
return duty;
}
int pwm_initialize(const char *device)
{
int i;
uint32_t mem_fd;
//signal(SIGBUS,catch_sigbus);
mem_fd = open(device, O_RDWR|O_SYNC);
sharedMem_cmd = (struct pwm_cmd *) mmap(0, 0x1000, PROT_READ|PROT_WRITE,
MAP_SHARED, mem_fd, RCOUT_ZYNQ_PWM_BASE);
close(mem_fd);
if (sharedMem_cmd == nullptr) {
PX4_ERR("initialize pwm pointer failed.");
return -1;
}
for (i = 0; i < NUM_PWM; ++i) {
sharedMem_cmd->periodhi[i].period = freq2tick(FREQUENCY_PWM);
sharedMem_cmd->periodhi[i].hi = freq2tick(FREQUENCY_PWM)/2; // i prefer it is zero at the beginning
//PX4_ERR("initialize pwm pointer failed.%d, %d", sharedMem_cmd->periodhi[i].period, sharedMem_cmd->periodhi[i].hi);
}
return 0;
}
void pwm_deinitialize()
{
for (int i = 0; i < NUM_PWM; ++i) {
sharedMem_cmd = nullptr;
}
}
void send_outputs_pwm(const uint16_t *pwm)
{
if (sharedMem_cmd == nullptr) {
PX4_ERR("write pwm when pwm pointer is not initialized.");
return;
}
//convert this to duty_cycle in ns
for (unsigned i = 0; i < NUM_PWM; ++i) {
//n = ::asprintf(&data, "%u", pwm[i] * 1000);
//::write(_pwm_fd[i], data, n);
sharedMem_cmd->periodhi[i].hi = TICK_PER_US*pwm[i];
//printf("ch:%d, val:%d*%d ", ch, period_us, TICK_PER_US);
}
}
void task_main(int argc, char *argv[])
{
_is_running = true;
struct rc_channels_s _rc; /**< r/c channel data */
if (pwm_initialize(_device) < 0) {
PX4_ERR("Failed to initialize PWM.");
return;
}
// Subscribe for orb topics
_controls_sub = orb_subscribe(ORB_ID(actuator_controls_0));
_armed_sub = orb_subscribe(ORB_ID(actuator_armed));
_rc_channels_sub = orb_subscribe(ORB_ID(rc_channels));
// Start disarmed
_armed.armed = false;
_armed.prearmed = false;
px4_pollfd_struct_t fds[1];
fds[0].events = POLLIN;
/* Don't limit poll intervall for now, 250 Hz should be fine. */
//orb_set_interval(_controls_sub, 10);
// Set up mixer
if (initialize_mixer(MIXER_FILENAME) < 0) {
PX4_ERR("Mixer initialization failed.");
return;
}
pwm_limit_init(&_pwm_limit);
// Main loop
while (!_task_should_exit) {
// Set up poll topic
if (_armed.in_esc_calibration_mode == true) {
fds[0].fd = _rc_channels_sub;
}else{
fds[0].fd = _controls_sub;
}
int pret = px4_poll(&fds[0], (sizeof(fds) / sizeof(fds[0])), 10);
/* Timed out, do a periodic check for _task_should_exit. */
if (pret == 0) {
continue;
}
/* This is undesirable but not much we can do. */
if (pret < 0) {
PX4_WARN("poll error %d, %d", pret, errno);
/* sleep a bit before next try */
usleep(100000);
continue;
}
if (fds[0].revents & POLLIN) {
if (_armed.in_esc_calibration_mode == true) {
orb_copy(ORB_ID(rc_channels), _rc_channels_sub, &_rc);
_controls.control[0] = 0;
_controls.control[1] = 0;
_controls.control[2] = 0;
_controls.control[3] = _rc.channels[_rc.function[rc_channels_s::RC_CHANNELS_FUNCTION_THROTTLE]];
}else{
orb_copy(ORB_ID(actuator_controls_0), _controls_sub, &_controls);
}
_outputs.timestamp = _controls.timestamp;
/* do mixing */
_outputs.noutputs = _mixer->mix(_outputs.output,
0 /* not used */,
NULL);
/* disable unused ports by setting their output to NaN */
for (size_t i = _outputs.noutputs;
i < sizeof(_outputs.output) / sizeof(_outputs.output[0]);
i++) {
_outputs.output[i] = NAN;
}
const uint16_t reverse_mask = 0;
uint16_t disarmed_pwm[4];
uint16_t min_pwm[4];
uint16_t max_pwm[4];
for (unsigned int i = 0; i < 4; i++) {
disarmed_pwm[i] = _pwm_disarmed;
min_pwm[i] = _pwm_min;
max_pwm[i] = _pwm_max;
}
uint16_t pwm[4];
// TODO FIXME: pre-armed seems broken
pwm_limit_calc(_armed.armed,
false/*_armed.prearmed*/,
_outputs.noutputs,
reverse_mask,
disarmed_pwm,
min_pwm,
max_pwm,
_outputs.output,
pwm,
&_pwm_limit);
if (_armed.lockdown) {
send_outputs_pwm(disarmed_pwm);
}else if (_armed.in_esc_calibration_mode) {
if (_controls.control[3]*1000 > 0.5f) {
pwm[0] = _pwm_max;
pwm[1] = _pwm_max;
pwm[2] = _pwm_max;
pwm[3] = _pwm_max;
}else{
pwm[0] = _pwm_min;
pwm[1] = _pwm_min;
pwm[2] = _pwm_min;
pwm[3] = _pwm_min;
}
send_outputs_pwm(pwm);
PX4_WARN("calib pwm %d:%d:%d:%d.", pwm[0],pwm[1],pwm[2],pwm[3]);
} else {
send_outputs_pwm(pwm);
}
if (_outputs_pub != nullptr) {
orb_publish(ORB_ID(actuator_outputs), _outputs_pub, &_outputs);
} else {
_outputs_pub = orb_advertise(ORB_ID(actuator_outputs), &_outputs);
}
}
bool updated;
orb_check(_armed_sub, &updated);
if (updated) {
orb_copy(ORB_ID(actuator_armed), _armed_sub, &_armed);
}
}
pwm_deinitialize();
orb_unsubscribe(_controls_sub);
orb_unsubscribe(_armed_sub);
_is_running = false;
}
void task_main_trampoline(int argc, char *argv[])
{
task_main(argc, argv);
}
void start()
{
ASSERT(_task_handle == -1);
_task_should_exit = false;
/* start the task */
_task_handle = px4_task_spawn_cmd("pwm_out_main",
SCHED_DEFAULT,
SCHED_PRIORITY_MAX,
1500,
(px4_main_t)&task_main_trampoline,
nullptr);
if (_task_handle < 0) {
warn("task start failed");
return;
}
}
void stop()
{
_task_should_exit = true;
while (_is_running) {
usleep(200000);
PX4_INFO(".");
}
_task_handle = -1;
}
void usage()
{
PX4_INFO("usage: pwm_out start -d /sys/class/pwm/pwmchip0");
PX4_INFO(" pwm_out stop");
PX4_INFO(" pwm_out status");
}
} // namespace navio_sysfs_pwm_out
/* driver 'main' command */
extern "C" __EXPORT int ocpoc_mmap_pwm_out_main(int argc, char *argv[]);
int ocpoc_mmap_pwm_out_main(int argc, char *argv[])
{
const char *device = nullptr;
int ch;
int myoptind = 1;
const char *myoptarg = nullptr;
char *verb = nullptr;
if (argc >= 2) {
verb = argv[1];
} else {
return 1;
}
while ((ch = px4_getopt(argc, argv, "d:", &myoptind, &myoptarg)) != EOF) {
switch (ch) {
case 'd':
device = myoptarg;
strncpy(ocpoc_mmap_pwm_out::_device, device, strlen(device));
break;
}
}
// gets the parameters for the esc's pwm
param_get(param_find("PWM_DISARMED"), &ocpoc_mmap_pwm_out::_pwm_disarmed);
param_get(param_find("PWM_MIN"), &ocpoc_mmap_pwm_out::_pwm_min);
param_get(param_find("PWM_MAX"), &ocpoc_mmap_pwm_out::_pwm_max);
/*
* Start/load the driver.
*/
if (!strcmp(verb, "start")) {
if (ocpoc_mmap_pwm_out::_is_running) {
PX4_WARN("pwm_out already running");
return 1;
}
ocpoc_mmap_pwm_out::start();
}
else if (!strcmp(verb, "stop")) {
if (!ocpoc_mmap_pwm_out::_is_running) {
PX4_WARN("pwm_out is not running");
return 1;
}
ocpoc_mmap_pwm_out::stop();
}
else if (!strcmp(verb, "status")) {
PX4_WARN("pwm_out is %s", ocpoc_mmap_pwm_out::_is_running ? "running" : "not running");
return 0;
} else {
ocpoc_mmap_pwm_out::usage();
return 1;
}
return 0;
}
@@ -0,0 +1,43 @@
############################################################################
#
# 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.
#
############################################################################
px4_add_module(
MODULE drivers__ocpoc_sbus_rc_in
MAIN ocpoc_sbus_rc_in
STACK_MAIN 1200
COMPILE_FLAGS -Os
SRCS
ocpoc_sbus_rc_in.cpp
DEPENDS
platforms__common
)
# vim: set noet ft=cmake fenc=utf-8 ff=unix :
@@ -0,0 +1,306 @@
/****************************************************************************
*
* Copyright (C) 2015 Mark Charlebois. All rights reserved.
* 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 <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdint.h>
#include <px4_config.h>
#include <px4_workqueue.h>
#include <px4_defines.h>
#include <drivers/drv_hrt.h>
#include <uORB/uORB.h>
#include <uORB/topics/input_rc.h>
#include <rc/sbus.h>
namespace ocpoc_sbus_rc_in
{
extern "C" __EXPORT int ocpoc_sbus_rc_in_main(int argc, char *argv[]);
#define RCINPUT_DEVICE_PATH "/dev/ttyS2"
#define RCINPUT_MEASURE_INTERVAL_US 6500 // FUBATA T8J is 6.8ms frame rate, microseconds
#define SBUS_INPUT_CHANNELS 8 // FUBATA T8J is 8-channel
class RcInput
{
public:
RcInput() :
_shouldExit(false),
_isRunning(false),
_work{},
_rcinput_pub(nullptr),
_channels(8), //FUBUTA, 8
_data{}
{
_sbus_fd = -1;
}
~RcInput()
{
work_cancel(HPWORK, &_work);
_isRunning = false;
}
/* @return 0 on success, -errno on failure */
int start();
/* @return 0 on success, -errno on failure */
void stop();
/* Trampoline for the work queue. */
static void cycle_trampoline(void *arg);
bool isRunning() { return _isRunning; }
private:
void _cycle();
void _measure();
bool _shouldExit;
bool _isRunning;
struct work_s _work;
orb_advert_t _rcinput_pub;
int _channels;
int _sbus_fd = -1;
struct input_rc_s _data;
int ocpoc_subs_rc_init();
};
int RcInput::ocpoc_subs_rc_init()
{
int i;
/* S.bus input (USART3) */
_sbus_fd = sbus_init(RCINPUT_DEVICE_PATH, true); //jly
for (i=_channels; i < input_rc_s::RC_INPUT_MAX_CHANNELS; ++i) {
_data.values[i] = UINT16_MAX;
}
_rcinput_pub = orb_advertise(ORB_ID(input_rc), &_data);
if (_rcinput_pub == nullptr) {
PX4_WARN("error: advertise failed");
return -1;
}
return 0;
}
int RcInput::start()
{
int result = 0;
result = ocpoc_subs_rc_init();
if (result != 0) {
PX4_WARN("error: RC sbus initialization failed");
return -1;
}
_isRunning = true;
result = work_queue(HPWORK, &_work, (worker_t)&RcInput::cycle_trampoline, this, 0);
if (result == -1) {
_isRunning = false;
}
return result;
}
void RcInput::stop()
{
_shouldExit = true;
}
void RcInput::cycle_trampoline(void *arg)
{
RcInput *dev = reinterpret_cast<RcInput *>(arg);
dev->_cycle();
}
void RcInput::_cycle()
{
_measure();
if (!_shouldExit) {
work_queue(HPWORK, &_work, (worker_t)&RcInput::cycle_trampoline, this,
USEC2TICK(RCINPUT_MEASURE_INTERVAL_US));
}
}
void RcInput::_measure(void)
{
uint64_t ts;
/*
* Gather R/C control inputs from sbus
*/
bool sbus_failsafe, sbus_frame_drop;
uint16_t values[SBUS_INPUT_CHANNELS*2];
uint16_t num_values;
bool sbus_updated = sbus_input(_sbus_fd, values, &num_values, &sbus_failsafe, &sbus_frame_drop,
_channels);
if (sbus_updated) {
if (num_values > 8) {
num_values = 8;
}
// assume r_raw_rc_count may be less than _channels
for (int i = 0; i < num_values; ++i) {
_data.values[i] = values[i];
}
ts = hrt_absolute_time();
_data.timestamp = ts;
_data.timestamp_last_signal = ts;
_data.channel_count = num_values;
_data.rssi = 100;
_data.rc_lost_frame_count = 0;
_data.rc_total_frame_count = 1;
_data.rc_ppm_frame_length = 100;
_data.rc_failsafe = sbus_failsafe;
_data.rc_lost = sbus_frame_drop;
_data.input_source = input_rc_s::RC_INPUT_SOURCE_PX4FMU_SBUS;
orb_publish(ORB_ID(input_rc), _rcinput_pub, &_data);
}
}
/**
* Print the correct usage.
*/
static void usage(const char *reason);
static void
usage(const char *reason)
{
if (reason) {
PX4_ERR("%s", reason);
}
PX4_INFO("usage: ocpoc_sbus_rc_in {start|stop|status}");
}
static RcInput *rc_input = nullptr;
int ocpoc_sbus_rc_in_main(int argc, char *argv[])
{
if (argc < 2) {
usage("missing command");
return 1;
}
if (!strcmp(argv[1], "start")) {
if (rc_input != nullptr && rc_input->isRunning()) {
PX4_WARN("already running");
/* this is not an error */
return 0;
}
rc_input = new RcInput();
// Check if alloc worked.
if (rc_input == nullptr) {
PX4_ERR("alloc failed");
return -1;
}
int ret = rc_input->start();
if (ret != 0) {
PX4_ERR("start failed");
}
return 0;
}
if (!strcmp(argv[1], "stop")) {
if (rc_input == nullptr || !rc_input->isRunning()) {
PX4_WARN("not running");
/* this is not an error */
return 0;
}
rc_input->stop();
// Wait for task to die
int i = 0;
do {
/* wait up to 3s */
usleep(100000);
} while (rc_input->isRunning() && ++i < 30);
delete rc_input;
rc_input = nullptr;
return 0;
}
if (!strcmp(argv[1], "status")) {
if (rc_input != nullptr && rc_input->isRunning()) {
PX4_INFO("running");
} else {
PX4_INFO("not running\n");
}
return 0;
}
usage("unrecognized command");
return 1;
}
}; // namespace navio_sysfs_rc_in