bldc/imu/icm20948.h

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/*
Copyright 2019 Benjamin Vedder benjamin@vedder.se
This file is part of the VESC firmware.
The VESC firmware 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.
The VESC firmware 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/>.
*/
#ifndef IMU_ICM20948_H_
#define IMU_ICM20948_H_
#include "ch.h"
#include "hal.h"
#include <stdint.h>
#include <stdbool.h>
#include "i2c_bb.h"
typedef struct {
i2c_bb_state *i2cs;
uint8_t i2c_address;
void(*read_callback)(float *accel, float *gyro, float *mag);
} ICM20948_STATE;
void icm20948_init(ICM20948_STATE *s, i2c_bb_state *i2c_state, int ad0_val,
stkalign_t *work_area, size_t work_area_size);
void icm20948_set_read_callback(ICM20948_STATE *s, void(*func)(float *accel, float *gyro, float *mag));
// All banks
#define ICM20948_BANK_SEL 0x7F
// Bank 0 registers
#define ICM20948_PWR_MGMT_1 0x06
#define ICM20948_PIN_CFG 0x0F
#define ICM20948_ACCEL_XOUT_H 0x2D
// Bank 2 registers
#define ICM20948_ACCEL_CONFIG 0x14
#define ICM20948_GYRO_CONFIG_1 0x01
#endif /* IMU_ICM20948_H_ */