blob: fba8d8dfa12a3f0ce77fc95dea0abe94b02adb37 [file] [log] [blame]
/*
* Copyright (c) 2016 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef __SENSOR_AK8975__
#define __SENSOR_AK8975__
#include <device.h>
#define SYS_LOG_DOMAIN "AK8975"
#define SYS_LOG_LEVEL CONFIG_SYS_LOG_SENSOR_LEVEL
#include <logging/sys_log.h>
#define AK8975_REG_CHIP_ID 0x00
#define AK8975_CHIP_ID 0x48
#define AK8975_REG_DATA_START 0x03
#define AK8975_REG_CNTL 0x0A
#define AK8975_MODE_MEASURE 0x01
#define AK8975_MODE_FUSE_ACCESS 0x0F
#define AK8975_REG_ADJ_DATA_START 0x10
#define AK8975_MEASURE_TIME_US 9000
#define AK8975_MICRO_GAUSS_PER_BIT 3000
#ifdef CONFIG_MPU9150
#if CONFIG_AK8975_I2C_ADDR != 0x0C
#error "I2C address must be 0x0C when AK8975 is part of a MPU9150 chip"
#endif
#ifdef CONFIG_MPU9150_I2C_ADDR
#define MPU9150_I2C_ADDR CONFIG_MPU9150_I2C_ADDR
#else
#define MPU9150_I2C_ADDR CONFIG_MPU6050_I2C_ADDR
#endif
#define MPU9150_REG_BYPASS_CFG 0x37
#define MPU9150_I2C_BYPASS_EN BIT(1)
#define MPU9150_REG_PWR_MGMT1 0x6B
#define MPU9150_SLEEP_EN BIT(6)
#endif /* CONFIG_MPU9150 */
struct ak8975_data {
struct device *i2c;
s16_t x_sample;
s16_t y_sample;
s16_t z_sample;
u8_t x_adj;
u8_t y_adj;
u8_t z_adj;
};
#endif /* __SENSOR_AK8975__ */