536 lines
15 KiB
C
536 lines
15 KiB
C
/*
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* This file is part of Cleanflight and Betaflight.
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*
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* Cleanflight and Betaflight are free software. You can redistribute
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* this software and/or modify this software under the terms of the
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* GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option)
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* any later version.
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*
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* Cleanflight and Betaflight are distributed in the hope that they
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software.
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*
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdbool.h>
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#include <stdint.h>
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#include <string.h>
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#include <math.h>
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#include "platform.h"
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#ifdef USE_ACC
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#include "build/debug.h"
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#include "common/axis.h"
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#include "common/filter.h"
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#include "common/utils.h"
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#include "config/config_reset.h"
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#include "config/feature.h"
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#include "drivers/accgyro/accgyro.h"
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#include "drivers/accgyro/accgyro_fake.h"
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#include "drivers/accgyro/accgyro_mpu.h"
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#include "drivers/accgyro/accgyro_mpu3050.h"
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#include "drivers/accgyro/accgyro_mpu6050.h"
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#include "drivers/accgyro/accgyro_mpu6500.h"
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#include "drivers/accgyro/accgyro_spi_bmi160.h"
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#include "drivers/accgyro/accgyro_spi_bmi270.h"
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#include "drivers/accgyro/accgyro_spi_icm20649.h"
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#include "drivers/accgyro/accgyro_spi_icm20689.h"
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#include "drivers/accgyro/accgyro_spi_icm426xx.h"
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#include "drivers/accgyro/accgyro_spi_lsm6ds3.h"
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#include "drivers/accgyro/accgyro_spi_lsm6dsl.h"
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#include "drivers/accgyro/accgyro_spi_lsm6dso.h"
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#include "drivers/accgyro/accgyro_spi_mpu6000.h"
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#include "drivers/accgyro/accgyro_spi_mpu6500.h"
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#include "drivers/accgyro/accgyro_spi_mpu9250.h"
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#ifdef USE_ACC_ADXL345
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#include "drivers/accgyro_legacy/accgyro_adxl345.h"
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#endif
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#ifdef USE_ACC_BMA280
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#include "drivers/accgyro_legacy/accgyro_bma280.h"
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#endif
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#ifdef USE_ACC_LSM303DLHC
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#include "drivers/accgyro_legacy/accgyro_lsm303dlhc.h"
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#endif
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#ifdef USE_ACC_MMA8452
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#include "drivers/accgyro_legacy/accgyro_mma845x.h"
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#endif
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#include "drivers/bus_spi.h"
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#include "config/config.h"
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#include "fc/runtime_config.h"
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#include "io/beeper.h"
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#include "pg/gyrodev.h"
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#include "pg/pg.h"
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#include "pg/pg_ids.h"
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#include "sensors/boardalignment.h"
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#include "sensors/gyro.h"
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#include "sensors/gyro_init.h"
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#include "sensors/sensors.h"
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#include "acceleration_init.h"
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#define CALIBRATING_ACC_CYCLES 400
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FAST_DATA_ZERO_INIT accelerationRuntime_t accelerationRuntime;
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void resetRollAndPitchTrims(rollAndPitchTrims_t *rollAndPitchTrims)
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{
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RESET_CONFIG_2(rollAndPitchTrims_t, rollAndPitchTrims,
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.values.roll = 0,
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.values.pitch = 0,
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);
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}
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static void setConfigCalibrationCompleted(void)
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{
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accelerometerConfigMutable()->accZero.values.calibrationCompleted = 1;
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}
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bool accHasBeenCalibrated(void)
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{
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return accelerometerConfig()->accZero.values.calibrationCompleted;
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}
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void accResetRollAndPitchTrims(void)
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{
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resetRollAndPitchTrims(&accelerometerConfigMutable()->accelerometerTrims);
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}
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static void resetFlightDynamicsTrims(flightDynamicsTrims_t *accZero)
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{
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accZero->values.roll = 0;
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accZero->values.pitch = 0;
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accZero->values.yaw = 0;
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accZero->values.calibrationCompleted = 0;
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}
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void pgResetFn_accelerometerConfig(accelerometerConfig_t *instance)
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{
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RESET_CONFIG_2(accelerometerConfig_t, instance,
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.acc_lpf_hz = 10,
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.acc_hardware = ACC_DEFAULT,
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.acc_high_fsr = false,
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);
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resetRollAndPitchTrims(&instance->accelerometerTrims);
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resetFlightDynamicsTrims(&instance->accZero);
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}
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PG_REGISTER_WITH_RESET_FN(accelerometerConfig_t, accelerometerConfig, PG_ACCELEROMETER_CONFIG, 2);
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extern uint16_t InflightcalibratingA;
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extern bool AccInflightCalibrationMeasurementDone;
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extern bool AccInflightCalibrationSavetoEEProm;
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extern bool AccInflightCalibrationActive;
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bool accDetect(accDev_t *dev, accelerationSensor_e accHardwareToUse)
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{
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accelerationSensor_e accHardware = ACC_NONE;
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#ifdef USE_ACC_ADXL345
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drv_adxl345_config_t acc_params;
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#endif
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retry:
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switch (accHardwareToUse) {
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case ACC_DEFAULT:
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FALLTHROUGH;
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#ifdef USE_ACC_ADXL345
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case ACC_ADXL345: // ADXL345
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acc_params.useFifo = false;
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acc_params.dataRate = 800; // unused currently
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if (adxl345Detect(&acc_params, dev)) {
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accHardware = ACC_ADXL345;
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break;
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}
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FALLTHROUGH;
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#endif
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#ifdef USE_ACC_LSM303DLHC
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case ACC_LSM303DLHC:
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if (lsm303dlhcAccDetect(dev)) {
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accHardware = ACC_LSM303DLHC;
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break;
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}
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FALLTHROUGH;
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#endif
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#ifdef USE_ACC_MPU6050
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case ACC_MPU6050: // MPU6050
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if (mpu6050AccDetect(dev)) {
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accHardware = ACC_MPU6050;
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break;
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}
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FALLTHROUGH;
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#endif
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#ifdef USE_ACC_MMA8452
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case ACC_MMA8452: // MMA8452
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if (mma8452Detect(dev)) {
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accHardware = ACC_MMA8452;
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break;
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}
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FALLTHROUGH;
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#endif
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#ifdef USE_ACC_BMA280
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case ACC_BMA280: // BMA280
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if (bma280Detect(dev)) {
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accHardware = ACC_BMA280;
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break;
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}
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FALLTHROUGH;
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#endif
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#ifdef USE_ACC_SPI_MPU6000
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case ACC_MPU6000:
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if (mpu6000SpiAccDetect(dev)) {
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accHardware = ACC_MPU6000;
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break;
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}
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FALLTHROUGH;
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#endif
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#ifdef USE_ACC_SPI_MPU9250
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case ACC_MPU9250:
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if (mpu9250SpiAccDetect(dev)) {
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accHardware = ACC_MPU9250;
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break;
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}
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FALLTHROUGH;
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#endif
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case ACC_MPU6500:
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case ACC_ICM20601:
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case ACC_ICM20602:
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case ACC_ICM20608G:
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#if defined(USE_ACC_MPU6500) || defined(USE_ACC_SPI_MPU6500)
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#ifdef USE_ACC_SPI_MPU6500
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if (mpu6500AccDetect(dev) || mpu6500SpiAccDetect(dev)) {
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#else
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if (mpu6500AccDetect(dev)) {
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#endif
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switch (dev->mpuDetectionResult.sensor) {
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case MPU_9250_SPI:
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accHardware = ACC_MPU9250;
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break;
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case ICM_20601_SPI:
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accHardware = ACC_ICM20601;
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break;
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case ICM_20602_SPI:
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accHardware = ACC_ICM20602;
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break;
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case ICM_20608_SPI:
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accHardware = ACC_ICM20608G;
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break;
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default:
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accHardware = ACC_MPU6500;
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}
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break;
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}
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#endif
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FALLTHROUGH;
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#ifdef USE_ACC_SPI_ICM20649
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case ACC_ICM20649:
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if (icm20649SpiAccDetect(dev)) {
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accHardware = ACC_ICM20649;
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break;
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}
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FALLTHROUGH;
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#endif
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#ifdef USE_ACC_SPI_ICM20689
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case ACC_ICM20689:
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if (icm20689SpiAccDetect(dev)) {
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accHardware = ACC_ICM20689;
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break;
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}
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FALLTHROUGH;
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#endif
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#if defined(USE_ACC_SPI_ICM42605) || defined(USE_ACC_SPI_ICM42688P)
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case ACC_ICM42605:
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case ACC_ICM42688P:
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if (icm426xxSpiAccDetect(dev)) {
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switch (dev->mpuDetectionResult.sensor) {
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case ICM_42605_SPI:
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accHardware = ACC_ICM42605;
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break;
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case ICM_42688P_SPI:
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accHardware = ACC_ICM42688P;
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break;
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default:
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accHardware = ACC_NONE;
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break;
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}
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break;
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}
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FALLTHROUGH;
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#endif
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#ifdef USE_ACCGYRO_BMI160
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case ACC_BMI160:
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if (bmi160SpiAccDetect(dev)) {
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accHardware = ACC_BMI160;
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break;
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}
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FALLTHROUGH;
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#endif
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#ifdef USE_ACCGYRO_BMI270
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case ACC_BMI270:
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if (bmi270SpiAccDetect(dev)) {
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accHardware = ACC_BMI270;
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break;
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}
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FALLTHROUGH;
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#endif
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#ifdef USE_ACCGYRO_LSM6DS3
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case ACC_LSM6DS3:
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if (lsm6ds3SpiAccDetect(dev)) {
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accHardware = ACC_LSM6DS3;
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break;
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}
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FALLTHROUGH;
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#endif
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#ifdef USE_ACCGYRO_LSM6DSL
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case ACC_LSM6DSL:
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if (lsm6dslSpiAccDetect(dev)) {
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accHardware = ACC_LSM6DSL;
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break;
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}
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FALLTHROUGH;
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#endif
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#ifdef USE_ACCGYRO_LSM6DSO
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case ACC_LSM6DSO:
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if (lsm6dsoSpiAccDetect(dev)) {
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accHardware = ACC_LSM6DSO;
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break;
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}
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FALLTHROUGH;
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#endif
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#ifdef USE_FAKE_ACC
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case ACC_FAKE:
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if (fakeAccDetect(dev)) {
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accHardware = ACC_FAKE;
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break;
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}
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FALLTHROUGH;
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#endif
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default:
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case ACC_NONE: // disable ACC
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accHardware = ACC_NONE;
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break;
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}
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// Found anything? Check if error or ACC is really missing.
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if (accHardware == ACC_NONE && accHardwareToUse != ACC_DEFAULT && accHardwareToUse != ACC_NONE) {
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// Nothing was found and we have a forced sensor that isn't present.
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accHardwareToUse = ACC_DEFAULT;
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goto retry;
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}
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if (accHardware == ACC_NONE) {
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return false;
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}
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detectedSensors[SENSOR_INDEX_ACC] = accHardware;
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sensorsSet(SENSOR_ACC);
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return true;
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}
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void accInitFilters(void)
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{
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// Only set the lowpass cutoff if the ACC sample rate is detected otherwise
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// the filter initialization is not defined (sample rate = 0)
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accelerationRuntime.accLpfCutHz = (acc.sampleRateHz) ? accelerometerConfig()->acc_lpf_hz : 0;
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if (accelerationRuntime.accLpfCutHz) {
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const uint32_t accSampleTimeUs = 1e6 / acc.sampleRateHz;
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for (int axis = 0; axis < XYZ_AXIS_COUNT; axis++) {
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biquadFilterInitLPF(&accelerationRuntime.accFilter[axis], accelerationRuntime.accLpfCutHz, accSampleTimeUs);
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}
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}
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}
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bool accInit(uint16_t accSampleRateHz)
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{
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memset(&acc, 0, sizeof(acc));
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// copy over the common gyro mpu settings
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acc.dev.gyro = gyroActiveDev();
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acc.dev.mpuDetectionResult = *gyroMpuDetectionResult();
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acc.dev.acc_high_fsr = accelerometerConfig()->acc_high_fsr;
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// Copy alignment from active gyro, as all production boards use acc-gyro-combi chip.
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// Exceptions are STM32F3DISCOVERY and STM32F411DISCOVERY, and (may be) handled in future enhancement.
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sensor_align_e alignment = gyroDeviceConfig(0)->alignment;
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const sensorAlignment_t* customAlignment = &gyroDeviceConfig(0)->customAlignment;
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#ifdef USE_MULTI_GYRO
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if (gyroConfig()->gyro_to_use == GYRO_CONFIG_USE_GYRO_2) {
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alignment = gyroDeviceConfig(1)->alignment;
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customAlignment = &gyroDeviceConfig(1)->customAlignment;
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}
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#endif
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acc.dev.accAlign = alignment;
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buildRotationMatrixFromAlignment(customAlignment, &acc.dev.rotationMatrix);
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if (!accDetect(&acc.dev, accelerometerConfig()->acc_hardware)) {
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return false;
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}
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acc.dev.acc_1G = 256; // set default
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acc.dev.initFn(&acc.dev); // driver initialisation
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acc.dev.acc_1G_rec = 1.0f / acc.dev.acc_1G;
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acc.sampleRateHz = accSampleRateHz;
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accInitFilters();
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return true;
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}
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void accStartCalibration(void)
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{
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accelerationRuntime.calibratingA = CALIBRATING_ACC_CYCLES;
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}
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bool accIsCalibrationComplete(void)
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{
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return accelerationRuntime.calibratingA == 0;
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}
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static bool isOnFinalAccelerationCalibrationCycle(void)
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{
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return accelerationRuntime.calibratingA == 1;
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}
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static bool isOnFirstAccelerationCalibrationCycle(void)
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{
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return accelerationRuntime.calibratingA == CALIBRATING_ACC_CYCLES;
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}
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void performAcclerationCalibration(rollAndPitchTrims_t *rollAndPitchTrims)
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{
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static int32_t a[3];
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for (int axis = 0; axis < 3; axis++) {
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// Reset a[axis] at start of calibration
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if (isOnFirstAccelerationCalibrationCycle()) {
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a[axis] = 0;
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}
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// Sum up CALIBRATING_ACC_CYCLES readings
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a[axis] += acc.accADC[axis];
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// Reset global variables to prevent other code from using un-calibrated data
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acc.accADC[axis] = 0;
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accelerationRuntime.accelerationTrims->raw[axis] = 0;
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}
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if (isOnFinalAccelerationCalibrationCycle()) {
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// Calculate average, shift Z down by acc_1G and store values in EEPROM at end of calibration
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accelerationRuntime.accelerationTrims->raw[X] = (a[X] + (CALIBRATING_ACC_CYCLES / 2)) / CALIBRATING_ACC_CYCLES;
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accelerationRuntime.accelerationTrims->raw[Y] = (a[Y] + (CALIBRATING_ACC_CYCLES / 2)) / CALIBRATING_ACC_CYCLES;
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accelerationRuntime.accelerationTrims->raw[Z] = (a[Z] + (CALIBRATING_ACC_CYCLES / 2)) / CALIBRATING_ACC_CYCLES - acc.dev.acc_1G;
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resetRollAndPitchTrims(rollAndPitchTrims);
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setConfigCalibrationCompleted();
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saveConfigAndNotify();
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}
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accelerationRuntime.calibratingA--;
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}
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void performInflightAccelerationCalibration(rollAndPitchTrims_t *rollAndPitchTrims)
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{
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static int32_t b[3];
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static int16_t accZero_saved[3] = { 0, 0, 0 };
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static rollAndPitchTrims_t angleTrim_saved = { { 0, 0 } };
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// Saving old zeropoints before measurement
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if (InflightcalibratingA == 50) {
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accZero_saved[X] = accelerationRuntime.accelerationTrims->raw[X];
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accZero_saved[Y] = accelerationRuntime.accelerationTrims->raw[Y];
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accZero_saved[Z] = accelerationRuntime.accelerationTrims->raw[Z];
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angleTrim_saved.values.roll = rollAndPitchTrims->values.roll;
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angleTrim_saved.values.pitch = rollAndPitchTrims->values.pitch;
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}
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if (InflightcalibratingA > 0) {
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for (int axis = 0; axis < 3; axis++) {
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// Reset a[axis] at start of calibration
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if (InflightcalibratingA == 50)
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b[axis] = 0;
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// Sum up 50 readings
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b[axis] += acc.accADC[axis];
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// Clear global variables for next reading
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acc.accADC[axis] = 0;
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accelerationRuntime.accelerationTrims->raw[axis] = 0;
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}
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// all values are measured
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if (InflightcalibratingA == 1) {
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AccInflightCalibrationActive = false;
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AccInflightCalibrationMeasurementDone = true;
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beeper(BEEPER_ACC_CALIBRATION); // indicate end of calibration
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// recover saved values to maintain current flight behaviour until new values are transferred
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accelerationRuntime.accelerationTrims->raw[X] = accZero_saved[X];
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accelerationRuntime.accelerationTrims->raw[Y] = accZero_saved[Y];
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accelerationRuntime.accelerationTrims->raw[Z] = accZero_saved[Z];
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rollAndPitchTrims->values.roll = angleTrim_saved.values.roll;
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rollAndPitchTrims->values.pitch = angleTrim_saved.values.pitch;
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}
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InflightcalibratingA--;
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|
}
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|
// Calculate average, shift Z down by acc_1G and store values in EEPROM at end of calibration
|
|
if (AccInflightCalibrationSavetoEEProm) { // the aircraft is landed, disarmed and the combo has been done again
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|
AccInflightCalibrationSavetoEEProm = false;
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|
accelerationRuntime.accelerationTrims->raw[X] = b[X] / 50;
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|
accelerationRuntime.accelerationTrims->raw[Y] = b[Y] / 50;
|
|
accelerationRuntime.accelerationTrims->raw[Z] = b[Z] / 50 - acc.dev.acc_1G; // for nunchuck 200=1G
|
|
|
|
resetRollAndPitchTrims(rollAndPitchTrims);
|
|
setConfigCalibrationCompleted();
|
|
|
|
saveConfigAndNotify();
|
|
}
|
|
}
|
|
|
|
void setAccelerationTrims(flightDynamicsTrims_t *accelerationTrimsToUse)
|
|
{
|
|
accelerationRuntime.accelerationTrims = accelerationTrimsToUse;
|
|
}
|
|
|
|
void applyAccelerometerTrimsDelta(rollAndPitchTrims_t *rollAndPitchTrimsDelta)
|
|
{
|
|
accelerometerConfigMutable()->accelerometerTrims.values.roll += rollAndPitchTrimsDelta->values.roll;
|
|
accelerometerConfigMutable()->accelerometerTrims.values.pitch += rollAndPitchTrimsDelta->values.pitch;
|
|
}
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|
#endif
|