QuRT and POSIX changes

Partial commit of the changes for QuRT and related changes for POSIX

Signed-off-by: Mark Charlebois <charlebm@gmail.com>
This commit is contained in:
Mark Charlebois
2015-04-24 00:52:44 -07:00
parent a4c33f5173
commit 3336fce1f4
25 changed files with 919 additions and 2435 deletions
@@ -41,6 +41,7 @@
*/
#include <px4_config.h>
#include <px4_time.h>
#include <px4_adc.h>
#include <board_config.h>
#include <drivers/device/device.h>
@@ -89,8 +90,6 @@ private:
unsigned _channel_count;
adc_msg_s *_samples; /**< sample buffer */
orb_advert_t _to_system_power;
/** work trampoline */
static void _tick_trampoline(void *arg);
@@ -114,8 +113,7 @@ ADCSIM::ADCSIM(uint32_t channels) :
VDev("adcsim", ADCSIM0_DEVICE_PATH),
_sample_perf(perf_alloc(PC_ELAPSED, "adc_samples")),
_channel_count(0),
_samples(nullptr),
_to_system_power(0)
_samples(nullptr)
{
//_debug_enabled = true;
@@ -259,7 +257,7 @@ test(void)
unsigned channels = count / sizeof(data[0]);
for (unsigned j = 0; j < channels; j++) {
printf ("%d: %u ", data[j].am_channel, data[j].am_data);
printf ("%d: %lu ", data[j].am_channel, (unsigned long)data[j].am_data);
}
printf("\n");
@@ -0,0 +1,407 @@
/****************************************************************************
*
* Copyright (c) 2013, 2014 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/**
* @file ets_airspeed.cpp
* @author Simon Wilks
*
* Driver for the Eagle Tree Airspeed V3 connected via I2C.
*/
#include <px4_config.h>
#include <drivers/device/i2c.h>
#include <sys/types.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdbool.h>
#include <semaphore.h>
#include <string.h>
#include <fcntl.h>
#include <poll.h>
#include <errno.h>
#include <stdio.h>
#include <math.h>
#include <unistd.h>
#include <nuttx/arch.h>
#include <nuttx/wqueue.h>
#include <nuttx/clock.h>
#include <arch/board/board.h>
#include <systemlib/airspeed.h>
#include <systemlib/err.h>
#include <systemlib/param/param.h>
#include <systemlib/perf_counter.h>
#include <drivers/drv_airspeed.h>
#include <drivers/drv_hrt.h>
#include <drivers/device/ringbuffer.h>
#include <uORB/uORB.h>
#include <uORB/topics/differential_pressure.h>
#include <uORB/topics/subsystem_info.h>
#include <drivers/airspeed/airspeed.h>
AirspeedSim::AirspeedSim(int bus, int address, unsigned conversion_interval, const char* path) :
I2C("Airspeed", path, bus, address),
_reports(nullptr),
_buffer_overflows(perf_alloc(PC_COUNT, "airspeed_buffer_overflows")),
_max_differential_pressure_pa(0),
_sensor_ok(false),
_last_published_sensor_ok(true), /* initialize differently to force publication */
_measure_ticks(0),
_collect_phase(false),
_diff_pres_offset(0.0f),
_airspeed_pub(-1),
_subsys_pub(-1),
_class_instance(-1),
_conversion_interval(conversion_interval),
_sample_perf(perf_alloc(PC_ELAPSED, "airspeed_read")),
_comms_errors(perf_alloc(PC_COUNT, "airspeed_comms_errors"))
{
// enable debug() calls
_debug_enabled = false;
// work_cancel in the dtor will explode if we don't do this...
memset(&_work, 0, sizeof(_work));
}
AirspeedSim::~AirspeedSim()
{
/* make sure we are truly inactive */
stop();
if (_class_instance != -1)
unregister_class_devname(AIRSPEED_BASE_DEVICE_PATH, _class_instance);
/* free any existing reports */
if (_reports != nullptr)
delete _reports;
// free perf counters
perf_free(_sample_perf);
perf_free(_comms_errors);
perf_free(_buffer_overflows);
}
int
AirspeedSim::init()
{
int ret = ERROR;
/* do I2C init (and probe) first */
if (I2C::init() != OK)
goto out;
/* allocate basic report buffers */
_reports = new RingBuffer(2, sizeof(differential_pressure_s));
if (_reports == nullptr)
goto out;
/* register alternate interfaces if we have to */
_class_instance = register_class_devname(AIRSPEED_BASE_DEVICE_PATH);
/* publication init */
if (_class_instance == CLASS_DEVICE_PRIMARY) {
/* advertise sensor topic, measure manually to initialize valid report */
struct differential_pressure_s arp;
measure();
_reports->get(&arp);
/* measurement will have generated a report, publish */
_airspeed_pub = orb_advertise(ORB_ID(differential_pressure), &arp);
if (_airspeed_pub < 0)
warnx("uORB started?");
}
ret = OK;
out:
return ret;
}
int
AirspeedSim::probe()
{
/* on initial power up the device may need more than one retry
for detection. Once it is running the number of retries can
be reduced
*/
_retries = 4;
int ret = measure();
// drop back to 2 retries once initialised
_retries = 2;
return ret;
}
int
AirspeedSim::ioctl(px4_dev_handle_t *handlep, int cmd, unsigned long arg)
{
switch (cmd) {
case SENSORIOCSPOLLRATE: {
switch (arg) {
/* switching to manual polling */
case SENSOR_POLLRATE_MANUAL:
stop();
_measure_ticks = 0;
return OK;
/* external signalling (DRDY) not supported */
case SENSOR_POLLRATE_EXTERNAL:
/* zero would be bad */
case 0:
return -EINVAL;
/* set default/max polling rate */
case SENSOR_POLLRATE_MAX:
case SENSOR_POLLRATE_DEFAULT: {
/* do we need to start internal polling? */
bool want_start = (_measure_ticks == 0);
/* set interval for next measurement to minimum legal value */
_measure_ticks = USEC2TICK(_conversion_interval);
/* if we need to start the poll state machine, do it */
if (want_start)
start();
return OK;
}
/* adjust to a legal polling interval in Hz */
default: {
/* do we need to start internal polling? */
bool want_start = (_measure_ticks == 0);
/* convert hz to tick interval via microseconds */
unsigned ticks = USEC2TICK(1000000 / arg);
/* check against maximum rate */
if (ticks < USEC2TICK(_conversion_interval))
return -EINVAL;
/* update interval for next measurement */
_measure_ticks = ticks;
/* if we need to start the poll state machine, do it */
if (want_start)
start();
return OK;
}
}
}
case SENSORIOCGPOLLRATE:
if (_measure_ticks == 0)
return SENSOR_POLLRATE_MANUAL;
return (1000 / _measure_ticks);
case SENSORIOCSQUEUEDEPTH: {
/* lower bound is mandatory, upper bound is a sanity check */
if ((arg < 1) || (arg > 100))
return -EINVAL;
irqstate_t flags = irqsave();
if (!_reports->resize(arg)) {
irqrestore(flags);
return -ENOMEM;
}
irqrestore(flags);
return OK;
}
case SENSORIOCGQUEUEDEPTH:
return _reports->size();
case SENSORIOCRESET:
/* XXX implement this */
return -EINVAL;
case AIRSPEEDIOCSSCALE: {
struct airspeed_scale *s = (struct airspeed_scale*)arg;
_diff_pres_offset = s->offset_pa;
return OK;
}
case AIRSPEEDIOCGSCALE: {
struct airspeed_scale *s = (struct airspeed_scale*)arg;
s->offset_pa = _diff_pres_offset;
s->scale = 1.0f;
return OK;
}
default:
/* give it to the superclass */
return I2C::ioctl(handlep, cmd, arg);
}
}
ssize_t
AirspeedSim::read(px4_dev_handle_t *handlep, char *buffer, size_t buflen)
{
unsigned count = buflen / sizeof(differential_pressure_s);
differential_pressure_s *abuf = reinterpret_cast<differential_pressure_s *>(buffer);
int ret = 0;
/* buffer must be large enough */
if (count < 1)
return -ENOSPC;
/* if automatic measurement is enabled */
if (_measure_ticks > 0) {
/*
* While there is space in the caller's buffer, and reports, copy them.
* Note that we may be pre-empted by the workq thread while we are doing this;
* we are careful to avoid racing with them.
*/
while (count--) {
if (_reports->get(abuf)) {
ret += sizeof(*abuf);
abuf++;
}
}
/* if there was no data, warn the caller */
return ret ? ret : -EAGAIN;
}
/* manual measurement - run one conversion */
do {
_reports->flush();
/* trigger a measurement */
if (OK != measure()) {
ret = -EIO;
break;
}
/* wait for it to complete */
usleep(_conversion_interval);
/* run the collection phase */
if (OK != collect()) {
ret = -EIO;
break;
}
/* state machine will have generated a report, copy it out */
if (_reports->get(abuf)) {
ret = sizeof(*abuf);
}
} while (0);
return ret;
}
void
AirspeedSim::start()
{
/* reset the report ring and state machine */
_collect_phase = false;
_reports->flush();
/* schedule a cycle to start things */
work_queue(HPWORK, &_work, (worker_t)&AirspeedSim::cycle_trampoline, this, 1);
}
void
AirspeedSim::stop()
{
work_cancel(HPWORK, &_work);
}
void
AirspeedSim::update_status()
{
if (_sensor_ok != _last_published_sensor_ok) {
/* notify about state change */
struct subsystem_info_s info = {
true,
true,
_sensor_ok,
SUBSYSTEM_TYPE_DIFFPRESSURE
};
if (_subsys_pub > 0) {
orb_publish(ORB_ID(subsystem_info), _subsys_pub, &info);
} else {
_subsys_pub = orb_advertise(ORB_ID(subsystem_info), &info);
}
_last_published_sensor_ok = _sensor_ok;
}
}
void
AirspeedSim::cycle_trampoline(void *arg)
{
Airspeed *dev = (Airspeed *)arg;
dev->cycle();
// XXX we do not know if this is
// really helping - do not update the
// subsys state right now
//dev->update_status();
}
void
AirspeedSim::print_info()
{
perf_print_counter(_sample_perf);
perf_print_counter(_comms_errors);
perf_print_counter(_buffer_overflows);
warnx("poll interval: %u ticks", _measure_ticks);
_reports->print_info("report queue");
}
void
AirspeedSim::new_report(const differential_pressure_s &report)
{
if (!_reports->force(&report))
perf_count(_buffer_overflows);
}
@@ -0,0 +1,187 @@
/****************************************************************************
*
* Copyright (c) 2013, 2014 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/**
* @file airspeed.h
* @author Simon Wilks
*
* Generic driver for airspeed sensors connected via I2C.
*/
#include <px4_config.h>
#include <drivers/device/i2c.h>
#include <sys/types.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdbool.h>
#include <semaphore.h>
#include <string.h>
#include <fcntl.h>
#include <poll.h>
#include <errno.h>
#include <stdio.h>
#include <math.h>
#include <unistd.h>
#include <nuttx/arch.h>
#include <nuttx/wqueue.h>
#include <nuttx/clock.h>
#include <arch/board/board.h>
#include <systemlib/airspeed.h>
#include <systemlib/err.h>
#include <systemlib/param/param.h>
#include <systemlib/perf_counter.h>
#include <drivers/drv_airspeed.h>
#include <drivers/drv_hrt.h>
#include <drivers/device/ringbuffer.h>
#include <uORB/uORB.h>
#include <uORB/topics/differential_pressure.h>
#include <uORB/topics/subsystem_info.h>
/* Default I2C bus */
#define PX4_I2C_BUS_DEFAULT PX4_I2C_BUS_EXPANSION
/* Oddly, ERROR is not defined for C++ */
#ifdef ERROR
# undef ERROR
#endif
static const int ERROR = -1;
#ifndef CONFIG_SCHED_WORKQUEUE
# error This requires CONFIG_SCHED_WORKQUEUE.
#endif
class __EXPORT AirspeedSim : public device::I2C
{
public:
AirspeedSim(int bus, int address, unsigned conversion_interval, const char *path);
virtual ~AirspeedSim();
virtual int init();
virtual ssize_t read(px4_dev_handle_t *handlep, char *buffer, size_t buflen);
virtual int ioctl(px4_dev_handle_t *handlep, int cmd, unsigned long arg);
/**
* Diagnostics - print some basic information about the driver.
*/
virtual void print_info();
private:
RingBuffer *_reports;
perf_counter_t _buffer_overflows;
/* this class has pointer data members and should not be copied */
AirspeedSim(const AirspeedSim &);
AirspeedSim &operator=(const AirspeedSim &);
protected:
virtual int probe();
/**
* Perform a poll cycle; collect from the previous measurement
* and start a new one.
*/
virtual void cycle() = 0;
virtual int measure() = 0;
virtual int collect() = 0;
/**
* Update the subsystem status
*/
void update_status();
work_s _work;
float _max_differential_pressure_pa;
bool _sensor_ok;
bool _last_published_sensor_ok;
int _measure_ticks;
bool _collect_phase;
float _diff_pres_offset;
orb_advert_t _airspeed_pub;
orb_advert_t _subsys_pub;
int _class_instance;
unsigned _conversion_interval;
perf_counter_t _sample_perf;
perf_counter_t _comms_errors;
/**
* Test whether the device supported by the driver is present at a
* specific address.
*
* @param address The I2C bus address to probe.
* @return True if the device is present.
*/
int probe_address(uint8_t address);
/**
* Initialise the automatic measurement state machine and start it.
*
* @note This function is called at open and error time. It might make sense
* to make it more aggressive about resetting the bus in case of errors.
*/
void start();
/**
* Stop the automatic measurement state machine.
*/
void stop();
/**
* Static trampoline from the workq context; because we don't have a
* generic workq wrapper yet.
*
* @param arg Instance pointer for the driver that is polling.
*/
static void cycle_trampoline(void *arg);
/**
* add a new report to the reports queue
*
* @param report differential_pressure_s report
*/
void new_report(const differential_pressure_s &report);
};
@@ -0,0 +1,40 @@
############################################################################
#
# Copyright (c) 2013 PX4 Development Team. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# 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.
#
############################################################################
#
# Makefile to build the generic airspeed driver.
#
SRCS = airspeedsim.cpp
MAXOPTIMIZATION = -Os
+9 -8
View File
@@ -38,6 +38,7 @@
#include <px4_config.h>
#include <px4_defines.h>
#include <px4_time.h>
#include <px4_getopt.h>
#include <sys/types.h>
@@ -755,7 +756,7 @@ BAROSIM::print_info()
perf_print_counter(_buffer_overflows);
printf("poll interval: %u ticks\n", _measure_ticks);
_reports->print_info("report queue");
printf("TEMP: %d\n", _TEMP);
printf("TEMP: %ld\n", (long)_TEMP);
printf("SENS: %lld\n", (long long)_SENS);
printf("OFF: %lld\n", (long long)_OFF);
printf("P: %.3f\n", (double)_P);
@@ -964,12 +965,12 @@ test()
/* read the sensor 5x and report each value */
for (unsigned i = 0; i < 5; i++) {
struct pollfd fds;
px4_pollfd_struct_t fds;
/* wait for data to be ready */
fds.fd = fd;
fds.events = POLLIN;
ret = poll(&fds, 1, 2000);
ret = px4_poll(&fds, 1, 2000);
if (ret != 1) {
warnx("timed out waiting for sensor data");
@@ -990,7 +991,7 @@ test()
warnx("time: %lld", (long long)report.timestamp);
}
close(fd);
px4_close(fd);
warnx("PASS");
return 0;
}
@@ -1004,7 +1005,7 @@ reset()
struct barosim_bus_option &bus = bus_options[0];
int fd;
fd = open(bus.devpath, O_RDONLY);
fd = px4_open(bus.devpath, O_RDONLY);
if (fd < 0) {
warn("failed ");
return 1;
@@ -1068,14 +1069,14 @@ calibrate(unsigned altitude)
pressure = 0.0f;
for (unsigned i = 0; i < 20; i++) {
struct pollfd fds;
px4_pollfd_struct_t fds;
int ret;
ssize_t sz;
/* wait for data to be ready */
fds.fd = fd;
fds.events = POLLIN;
ret = poll(&fds, 1, 1000);
ret = px4_poll(&fds, 1, 1000);
if (ret != 1) {
warnx("timed out waiting for sensor data");
@@ -1116,7 +1117,7 @@ calibrate(unsigned altitude)
return 1;
}
close(fd);
px4_close(fd);
return 0;
}
@@ -69,7 +69,7 @@ public:
virtual int transfer(const uint8_t *send, unsigned send_len,
uint8_t *recv, unsigned recv_len);
private:
barosim::prom_u &_prom;
//barosim::prom_u &_prom;
/**
* Send a reset command to the barometer simulator.
@@ -101,8 +101,7 @@ BAROSIM_sim_interface(barosim::prom_u &prom_buf, uint8_t busnum)
}
BARO_SIM::BARO_SIM(uint8_t bus, barosim::prom_u &prom) :
SIM("BARO_SIM", "/dev/BARO_SIM", bus, 0),
_prom(prom)
SIM("BARO_SIM", "/dev/BARO_SIM", bus, 0)
{
}
@@ -57,7 +57,6 @@
#include <stdio.h>
#include <math.h>
#include <unistd.h>
#include <getopt.h>
#include <simulator/simulator.h>