ardupilot/libraries/AP_InertialSensor/AP_InertialSensor_HIL.cpp

55 lines
1.4 KiB
C++

/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
#include "AP_InertialSensor_HIL.h"
#include <AP_HAL.h>
const extern AP_HAL::HAL& hal;
AP_InertialSensor_HIL::AP_InertialSensor_HIL() : AP_InertialSensor() {
Vector3f accels;
accels.z = -GRAVITY_MSS;
set_accel(accels);
}
uint16_t AP_InertialSensor_HIL::_init_sensor( Sample_rate sample_rate ) {
switch (sample_rate) {
case RATE_50HZ:
_sample_period_ms = 20;
break;
case RATE_100HZ:
_sample_period_ms = 10;
break;
case RATE_200HZ:
_sample_period_ms = 5;
break;
}
return AP_PRODUCT_ID_NONE;
}
/*================ AP_INERTIALSENSOR PUBLIC INTERFACE ==================== */
bool AP_InertialSensor_HIL::update( void ) {
uint32_t now = hal.scheduler->millis();
_delta_time_usec = (now - _last_update_ms) * 1000;
_last_update_ms = now;
return true;
}
float AP_InertialSensor_HIL::get_delta_time() {
return _delta_time_usec * 1.0e-6;
}
uint32_t AP_InertialSensor_HIL::get_last_sample_time_micros() {
return _last_update_ms * 1000;
}
float AP_InertialSensor_HIL::get_gyro_drift_rate(void) {
// 0.5 degrees/second/minute
return ToRad(0.5/60);
}
bool AP_InertialSensor_HIL::sample_available()
{
uint16_t ret = (hal.scheduler->millis() - _last_update_ms)
/ _sample_period_ms;
return ret > 0;
}