move fake GPS to standalone module

This commit is contained in:
Daniel Agar
2021-02-20 14:13:36 -05:00
committed by GitHub
parent 0ea8104344
commit 414f9f81d9
68 changed files with 457 additions and 195 deletions
+138 -194
View File
@@ -103,8 +103,8 @@ public:
Count
};
GPS(const char *path, gps_driver_mode_t mode, GPSHelper::Interface interface, bool fake_gps, bool enable_sat_info,
Instance instance, unsigned configured_baudrate);
GPS(const char *path, gps_driver_mode_t mode, GPSHelper::Interface interface, bool enable_sat_info, Instance instance,
unsigned configured_baudrate);
~GPS() override;
/** @see ModuleBase */
@@ -175,8 +175,6 @@ private:
unsigned _num_bytes_read{0}; ///< counter for number of read bytes from the UART (within update interval)
unsigned _rate_reading{0}; ///< reading rate in B/s
const bool _fake_gps; ///< fake gps output
const Instance _instance;
uORB::Subscription _orb_inject_data_sub{ORB_ID(gps_inject_data)};
@@ -258,12 +256,11 @@ px4::atomic<GPS *> GPS::_secondary_instance{nullptr};
extern "C" __EXPORT int gps_main(int argc, char *argv[]);
GPS::GPS(const char *path, gps_driver_mode_t mode, GPSHelper::Interface interface, bool fake_gps,
bool enable_sat_info, Instance instance, unsigned configured_baudrate) :
GPS::GPS(const char *path, gps_driver_mode_t mode, GPSHelper::Interface interface, bool enable_sat_info,
Instance instance, unsigned configured_baudrate) :
_configured_baudrate(configured_baudrate),
_mode(mode),
_interface(interface),
_fake_gps(fake_gps),
_instance(instance)
{
/* store port name */
@@ -637,37 +634,35 @@ void GPS::dumpGpsData(uint8_t *data, size_t len, bool msg_to_gps_device)
void
GPS::run()
{
if (!_fake_gps) {
/* open the serial port */
_serial_fd = ::open(_port, O_RDWR | O_NOCTTY);
/* open the serial port */
_serial_fd = ::open(_port, O_RDWR | O_NOCTTY);
if (_serial_fd < 0) {
PX4_ERR("GPS: failed to open serial port: %s err: %d", _port, errno);
return;
}
if (_serial_fd < 0) {
PX4_ERR("GPS: failed to open serial port: %s err: %d", _port, errno);
return;
}
#ifdef __PX4_LINUX
if (_interface == GPSHelper::Interface::SPI) {
int spi_speed = 1000000; // make sure the bus speed is not too high (required on RPi)
int status_value = ioctl(_serial_fd, SPI_IOC_WR_MAX_SPEED_HZ, &spi_speed);
if (_interface == GPSHelper::Interface::SPI) {
int spi_speed = 1000000; // make sure the bus speed is not too high (required on RPi)
int status_value = ioctl(_serial_fd, SPI_IOC_WR_MAX_SPEED_HZ, &spi_speed);
if (status_value < 0) {
PX4_ERR("SPI_IOC_WR_MAX_SPEED_HZ failed for %s (%d)", _port, errno);
return;
}
status_value = ioctl(_serial_fd, SPI_IOC_RD_MAX_SPEED_HZ, &spi_speed);
if (status_value < 0) {
PX4_ERR("SPI_IOC_RD_MAX_SPEED_HZ failed for %s (%d)", _port, errno);
return;
}
if (status_value < 0) {
PX4_ERR("SPI_IOC_WR_MAX_SPEED_HZ failed for %s (%d)", _port, errno);
return;
}
#endif /* __PX4_LINUX */
status_value = ioctl(_serial_fd, SPI_IOC_RD_MAX_SPEED_HZ, &spi_speed);
if (status_value < 0) {
PX4_ERR("SPI_IOC_RD_MAX_SPEED_HZ failed for %s (%d)", _port, errno);
return;
}
}
#endif /* __PX4_LINUX */
param_t handle = param_find("GPS_YAW_OFFSET");
float heading_offset = 0.f;
@@ -719,122 +714,89 @@ GPS::run()
/* loop handling received serial bytes and also configuring in between */
while (!should_exit()) {
if (_helper != nullptr) {
delete (_helper);
_helper = nullptr;
}
if (_fake_gps) {
_report_gps_pos.timestamp = hrt_absolute_time();
_report_gps_pos.lat = (int32_t)47.378301e7f;
_report_gps_pos.lon = (int32_t)8.538777e7f;
_report_gps_pos.alt = (int32_t)1200e3f;
_report_gps_pos.alt_ellipsoid = 10000;
_report_gps_pos.s_variance_m_s = 0.5f;
_report_gps_pos.c_variance_rad = 0.1f;
_report_gps_pos.fix_type = 3;
_report_gps_pos.eph = 0.8f;
_report_gps_pos.epv = 1.2f;
_report_gps_pos.hdop = 0.9f;
_report_gps_pos.vdop = 0.9f;
_report_gps_pos.vel_n_m_s = 0.0f;
_report_gps_pos.vel_e_m_s = 0.0f;
_report_gps_pos.vel_d_m_s = 0.0f;
_report_gps_pos.vel_m_s = 0.0f;
_report_gps_pos.cog_rad = 0.0f;
_report_gps_pos.vel_ned_valid = true;
_report_gps_pos.satellites_used = 10;
_report_gps_pos.heading = NAN;
_report_gps_pos.heading_offset = NAN;
switch (_mode) {
case GPS_DRIVER_MODE_NONE:
_mode = GPS_DRIVER_MODE_UBX;
/* no time and satellite information simulated */
publish();
px4_usleep(200000);
} else {
if (_helper != nullptr) {
delete (_helper);
_helper = nullptr;
}
switch (_mode) {
case GPS_DRIVER_MODE_NONE:
_mode = GPS_DRIVER_MODE_UBX;
/* FALLTHROUGH */
case GPS_DRIVER_MODE_UBX:
_helper = new GPSDriverUBX(_interface, &GPS::callback, this, &_report_gps_pos, _p_report_sat_info,
gps_ubx_dynmodel, heading_offset, ubx_mode);
break;
/* FALLTHROUGH */
case GPS_DRIVER_MODE_UBX:
_helper = new GPSDriverUBX(_interface, &GPS::callback, this, &_report_gps_pos, _p_report_sat_info,
gps_ubx_dynmodel, heading_offset, ubx_mode);
break;
#ifndef CONSTRAINED_FLASH
case GPS_DRIVER_MODE_MTK:
_helper = new GPSDriverMTK(&GPS::callback, this, &_report_gps_pos);
break;
case GPS_DRIVER_MODE_MTK:
_helper = new GPSDriverMTK(&GPS::callback, this, &_report_gps_pos);
break;
case GPS_DRIVER_MODE_ASHTECH:
_helper = new GPSDriverAshtech(&GPS::callback, this, &_report_gps_pos, _p_report_sat_info, heading_offset);
break;
case GPS_DRIVER_MODE_ASHTECH:
_helper = new GPSDriverAshtech(&GPS::callback, this, &_report_gps_pos, _p_report_sat_info, heading_offset);
break;
case GPS_DRIVER_MODE_EMLIDREACH:
_helper = new GPSDriverEmlidReach(&GPS::callback, this, &_report_gps_pos, _p_report_sat_info);
break;
case GPS_DRIVER_MODE_EMLIDREACH:
_helper = new GPSDriverEmlidReach(&GPS::callback, this, &_report_gps_pos, _p_report_sat_info);
break;
#endif // CONSTRAINED_FLASH
default:
break;
default:
break;
}
_baudrate = _configured_baudrate;
GPSHelper::GPSConfig gpsConfig{};
gpsConfig.output_mode = GPSHelper::OutputMode::GPS;
gpsConfig.gnss_systems = static_cast<GPSHelper::GNSSSystemsMask>(gnssSystemsParam);
if (_helper && _helper->configure(_baudrate, gpsConfig) == 0) {
/* reset report */
memset(&_report_gps_pos, 0, sizeof(_report_gps_pos));
_report_gps_pos.heading = NAN;
_report_gps_pos.heading_offset = heading_offset;
if (_mode == GPS_DRIVER_MODE_UBX) {
/* GPS is obviously detected successfully, reset statistics */
_helper->resetUpdateRates();
}
_baudrate = _configured_baudrate;
GPSHelper::GPSConfig gpsConfig{};
gpsConfig.output_mode = GPSHelper::OutputMode::GPS;
gpsConfig.gnss_systems = static_cast<GPSHelper::GNSSSystemsMask>(gnssSystemsParam);
int helper_ret;
if (_helper && _helper->configure(_baudrate, gpsConfig) == 0) {
while ((helper_ret = _helper->receive(TIMEOUT_5HZ)) > 0 && !should_exit()) {
/* reset report */
memset(&_report_gps_pos, 0, sizeof(_report_gps_pos));
_report_gps_pos.heading = NAN;
_report_gps_pos.heading_offset = heading_offset;
if (helper_ret & 1) {
publish();
if (_mode == GPS_DRIVER_MODE_UBX) {
last_rate_count++;
}
/* GPS is obviously detected successfully, reset statistics */
if (_p_report_sat_info && (helper_ret & 2)) {
publishSatelliteInfo();
}
reset_if_scheduled();
/* measure update rate every 5 seconds */
if (hrt_absolute_time() - last_rate_measurement > RATE_MEASUREMENT_PERIOD) {
float dt = (float)((hrt_absolute_time() - last_rate_measurement)) / 1000000.0f;
_rate = last_rate_count / dt;
_rate_rtcm_injection = _last_rate_rtcm_injection_count / dt;
_rate_reading = _num_bytes_read / dt;
last_rate_measurement = hrt_absolute_time();
last_rate_count = 0;
_last_rate_rtcm_injection_count = 0;
_num_bytes_read = 0;
_helper->storeUpdateRates();
_helper->resetUpdateRates();
}
int helper_ret;
while ((helper_ret = _helper->receive(TIMEOUT_5HZ)) > 0 && !should_exit()) {
if (helper_ret & 1) {
publish();
last_rate_count++;
}
if (_p_report_sat_info && (helper_ret & 2)) {
publishSatelliteInfo();
}
reset_if_scheduled();
/* measure update rate every 5 seconds */
if (hrt_absolute_time() - last_rate_measurement > RATE_MEASUREMENT_PERIOD) {
float dt = (float)((hrt_absolute_time() - last_rate_measurement)) / 1000000.0f;
_rate = last_rate_count / dt;
_rate_rtcm_injection = _last_rate_rtcm_injection_count / dt;
_rate_reading = _num_bytes_read / dt;
last_rate_measurement = hrt_absolute_time();
last_rate_count = 0;
_last_rate_rtcm_injection_count = 0;
_num_bytes_read = 0;
_helper->storeUpdateRates();
_helper->resetUpdateRates();
}
if (!_healthy) {
// Helpful for debugging, but too verbose for normal ops
if (!_healthy) {
// Helpful for debugging, but too verbose for normal ops
// const char *mode_str = "unknown";
//
// switch (_mode) {
@@ -859,46 +821,44 @@ GPS::run()
// }
//
// PX4_WARN("module found: %s", mode_str);
_healthy = true;
}
}
if (_healthy) {
_healthy = false;
_rate = 0.0f;
_rate_rtcm_injection = 0.0f;
_healthy = true;
}
}
if (_mode_auto) {
switch (_mode) {
case GPS_DRIVER_MODE_UBX:
if (_healthy) {
_healthy = false;
_rate = 0.0f;
_rate_rtcm_injection = 0.0f;
}
}
if (_mode_auto) {
switch (_mode) {
case GPS_DRIVER_MODE_UBX:
#ifndef CONSTRAINED_FLASH
_mode = GPS_DRIVER_MODE_MTK;
break;
_mode = GPS_DRIVER_MODE_MTK;
break;
case GPS_DRIVER_MODE_MTK:
_mode = GPS_DRIVER_MODE_ASHTECH;
break;
case GPS_DRIVER_MODE_MTK:
_mode = GPS_DRIVER_MODE_ASHTECH;
break;
case GPS_DRIVER_MODE_ASHTECH:
_mode = GPS_DRIVER_MODE_EMLIDREACH;
break;
case GPS_DRIVER_MODE_ASHTECH:
_mode = GPS_DRIVER_MODE_EMLIDREACH;
break;
case GPS_DRIVER_MODE_EMLIDREACH:
case GPS_DRIVER_MODE_EMLIDREACH:
#endif // CONSTRAINED_FLASH
_mode = GPS_DRIVER_MODE_UBX;
px4_usleep(500000); // tried all possible drivers. Wait a bit before next round
break;
_mode = GPS_DRIVER_MODE_UBX;
px4_usleep(500000); // tried all possible drivers. Wait a bit before next round
break;
default:
break;
}
} else {
px4_usleep(500000);
default:
break;
}
} else {
px4_usleep(500000);
}
}
@@ -927,33 +887,28 @@ GPS::print_status()
break;
}
//GPS Mode
if (_fake_gps) {
PX4_INFO("protocol: SIMULATED");
} else {
switch (_mode) {
case GPS_DRIVER_MODE_UBX:
PX4_INFO("protocol: UBX");
break;
// GPS Mode
switch (_mode) {
case GPS_DRIVER_MODE_UBX:
PX4_INFO("protocol: UBX");
break;
#ifndef CONSTRAINED_FLASH
case GPS_DRIVER_MODE_MTK:
PX4_INFO("protocol: MTK");
break;
case GPS_DRIVER_MODE_MTK:
PX4_INFO("protocol: MTK");
break;
case GPS_DRIVER_MODE_ASHTECH:
PX4_INFO("protocol: ASHTECH");
break;
case GPS_DRIVER_MODE_ASHTECH:
PX4_INFO("protocol: ASHTECH");
break;
case GPS_DRIVER_MODE_EMLIDREACH:
PX4_INFO("protocol: EMLIDREACH");
break;
case GPS_DRIVER_MODE_EMLIDREACH:
PX4_INFO("protocol: EMLIDREACH");
break;
#endif // CONSTRAINED_FLASH
default:
break;
}
default:
break;
}
PX4_INFO("status: %s, port: %s, baudrate: %d", _healthy ? "OK" : "NOT OK", _port, _baudrate);
@@ -966,10 +921,8 @@ GPS::print_status()
PX4_INFO("rate velocity: \t\t%6.2f Hz", (double)_helper->getVelocityUpdateRate());
}
if (!_fake_gps) {
PX4_INFO("rate publication:\t\t%6.2f Hz", (double)_rate);
PX4_INFO("rate RTCM injection:\t%6.2f Hz", (double)_rate_rtcm_injection);
}
PX4_INFO("rate publication:\t\t%6.2f Hz", (double)_rate);
PX4_INFO("rate RTCM injection:\t%6.2f Hz", (double)_rate_rtcm_injection);
print_message(_report_gps_pos);
}
@@ -1097,9 +1050,6 @@ There is a thread for each device polling for data. The GPS protocol classes are
so that they can be used in other projects as well (eg. QGroundControl uses them too).
### Examples
For testing it can be useful to fake a GPS signal (it will signal the system that it has a valid position):
$ gps stop
$ gps start -f
Starting 2 GPS devices (the main GPS on /dev/ttyS3 and the secondary on /dev/ttyS4):
$ gps start -d /dev/ttyS3 -e /dev/ttyS4
@@ -1115,7 +1065,6 @@ $ gps reset warm
PRINT_MODULE_USAGE_PARAM_STRING('e', nullptr, "<file:dev>", "Optional secondary GPS device", true);
PRINT_MODULE_USAGE_PARAM_INT('g', 0, 0, 3000000, "Baudrate (secondary GPS, can also be p:<param_name>)", true);
PRINT_MODULE_USAGE_PARAM_FLAG('f', "Fake a GPS signal (useful for testing)", true);
PRINT_MODULE_USAGE_PARAM_FLAG('s', "Enable publication of satellite info", true);
PRINT_MODULE_USAGE_PARAM_STRING('i', "uart", "spi|uart", "GPS interface", true);
@@ -1186,7 +1135,6 @@ GPS *GPS::instantiate(int argc, char *argv[], Instance instance)
const char *device_name_secondary = nullptr;
int baudrate_main = 0;
int baudrate_secondary = 0;
bool fake_gps = false;
bool enable_sat_info = false;
GPSHelper::Interface interface = GPSHelper::Interface::UART;
GPSHelper::Interface interface_secondary = GPSHelper::Interface::UART;
@@ -1197,7 +1145,7 @@ GPS *GPS::instantiate(int argc, char *argv[], Instance instance)
int ch;
const char *myoptarg = nullptr;
while ((ch = px4_getopt(argc, argv, "b:d:e:fg:si:j:p:", &myoptind, &myoptarg)) != EOF) {
while ((ch = px4_getopt(argc, argv, "b:d:e:g:si:j:p:", &myoptind, &myoptarg)) != EOF) {
switch (ch) {
case 'b':
if (px4_get_parameter_value(myoptarg, baudrate_main) != 0) {
@@ -1220,10 +1168,6 @@ GPS *GPS::instantiate(int argc, char *argv[], Instance instance)
device_name_secondary = myoptarg;
break;
case 'f':
fake_gps = true;
break;
case 's':
enable_sat_info = true;
break;
@@ -1290,7 +1234,7 @@ GPS *GPS::instantiate(int argc, char *argv[], Instance instance)
GPS *gps;
if (instance == Instance::Main) {
gps = new GPS(device_name, mode, interface, fake_gps, enable_sat_info, instance, baudrate_main);
gps = new GPS(device_name, mode, interface, enable_sat_info, instance, baudrate_main);
if (gps && device_name_secondary) {
task_spawn(argc, argv, Instance::Secondary);
@@ -1308,7 +1252,7 @@ GPS *GPS::instantiate(int argc, char *argv[], Instance instance)
}
}
} else { // secondary instance
gps = new GPS(device_name_secondary, mode, interface_secondary, fake_gps, enable_sat_info, instance, baudrate_secondary);
gps = new GPS(device_name_secondary, mode, interface_secondary, enable_sat_info, instance, baudrate_secondary);
}
return gps;