ardupilot/libraries/AP_ADC/AP_ADC_HIL.cpp

88 lines
2.3 KiB
C++

#include "AP_ADC_HIL.h"
#include <AP_HAL.h>
extern const AP_HAL::HAL& hal;
/*
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* AP_ADC_HIL.cpp
* Author: James Goppert
*
*/
const uint8_t AP_ADC_HIL::sensors[6] = {1,2,0,4,5,6};
const int8_t AP_ADC_HIL::sensorSign[6] = { 1, -1, -1,-1, 1, 1};
const float AP_ADC_HIL::gyroBias[3] = {1665,1665,1665};
const float AP_ADC_HIL::accelBias[3] = {2025,2025,2025};
// gyroScale = 1/[GyroGain*pi/180] GyroGains (0.4,0.41,0.41)
const float AP_ADC_HIL::gyroScale[3] = {143.239, 139.746, 139.746};
const float AP_ADC_HIL::accelScale[3] = {418,418,418}; // adcPerG
uint16_t AP_ADC_HIL::_count; // number of samples captured
AP_ADC_HIL::AP_ADC_HIL()
{
// gyros set to zero for calibration
setGyro(0,0);
setGyro(1,0);
setGyro(2,0);
// accels set to zero for calibration
setAccel(0,0);
setAccel(1,0);
setAccel(2,0);
// set diff press and temp to zero
setGyroTemp(0);
setPressure(0);
}
void AP_ADC_HIL::Init()
{
hal.scheduler->register_timer_process( AP_ADC_HIL::read );
}
// Read one channel value
float AP_ADC_HIL::Ch(unsigned char ch_num)
{
return adcValue[ch_num];
}
// Read 6 channel values
uint32_t AP_ADC_HIL::Ch6(const uint8_t *channel_numbers, float *result)
{
_count = 0;
for (uint8_t i=0; i<6; i++) {
result[i] = Ch(channel_numbers[i]);
}
uint32_t now = hal.scheduler->micros();
uint32_t ret = now - _last_ch6_time;
_last_ch6_time = now;
return ret;
}
// see if new data is available
bool AP_ADC_HIL::new_data_available(const uint8_t *channel_numbers)
{
return true;
}
// Get minimum number of samples read from the sensors
uint16_t AP_ADC_HIL::num_samples_available(const uint8_t *channel_numbers)
{
return _count;
}