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fake gps: gps device is not needed for fake position generation

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This commit is contained in:
Thomas Gubler 2014-01-11 00:08:02 +01:00
parent f205c07c08
commit a522c64fee
1 changed files with 34 additions and 23 deletions
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57
src/drivers/gps/gps.cpp
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@ -264,6 +264,39 @@ GPS::task_main()
/* loop handling received serial bytes and also configuring in between */
while (!_task_should_exit) {
//#define FAKEGPS
#ifdef FAKEGPS
_report.timestamp_position = hrt_absolute_time();
_report.lat = (int32_t)47.378301e7f;
_report.lon = (int32_t)8.538777e7f;
_report.alt = (int32_t)400e3f;
_report.timestamp_variance = hrt_absolute_time();
_report.s_variance_m_s = 10.0f;
_report.p_variance_m = 10.0f;
_report.c_variance_rad = 0.1f;
_report.fix_type = 3;
_report.eph_m = 10.0f;
_report.epv_m = 10.0f;
_report.timestamp_velocity = hrt_absolute_time();
_report.vel_n_m_s = 20.0f;
_report.vel_e_m_s = 0.0f;
_report.vel_d_m_s = 0.0f;
_report.vel_m_s = sqrtf(_report.vel_n_m_s * _report.vel_n_m_s + _report.vel_e_m_s * _report.vel_e_m_s + _report.vel_d_m_s * _report.vel_d_m_s);
_report.cog_rad = 0.0f;
_report.vel_ned_valid = true;
//no time and satellite information simulated
if (_report_pub > 0) {
orb_publish(ORB_ID(vehicle_gps_position), _report_pub, &_report);
} else {
_report_pub = orb_advertise(ORB_ID(vehicle_gps_position), &_report);
}
usleep(2e5);
#else
if (_Helper != nullptr) {
delete(_Helper);
/* set to zero to ensure parser is not used while not instantiated */
@ -294,29 +327,6 @@ GPS::task_main()
while (_Helper->receive(TIMEOUT_5HZ) > 0 && !_task_should_exit) {
// lock();
/* opportunistic publishing - else invalid data would end up on the bus */
//#define FAKEGPS
#ifdef FAKEGPS
_report.timestamp_position = hrt_absolute_time();
_report.lat = (int32_t)47.378301e7f;
_report.lon = (int32_t)8.538777e7f;
_report.alt = (int32_t)400e3f;
_report.timestamp_variance = hrt_absolute_time();
_report.s_variance_m_s = 10.0f;
_report.p_variance_m = 10.0f;
_report.c_variance_rad = 0.1f;
_report.fix_type = 3;
_report.eph_m = 10.0f;
_report.epv_m = 10.0f;
_report.timestamp_velocity = hrt_absolute_time();
_report.vel_n_m_s = 20.0f;
_report.vel_e_m_s = 0.0f;
_report.vel_d_m_s = 0.0f;
_report.vel_m_s = sqrtf(_report.vel_n_m_s * _report.vel_n_m_s + _report.vel_e_m_s * _report.vel_e_m_s + _report.vel_d_m_s * _report.vel_d_m_s);
_report.cog_rad = 0.0f;
_report.vel_ned_valid = true;
//no time and satellite information simulated
#endif
if (_report_pub > 0) {
orb_publish(ORB_ID(vehicle_gps_position), _report_pub, &_report);
@ -380,6 +390,7 @@ GPS::task_main()
default:
break;
}
#endif
}