| /* |
| * 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__ */ |