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/*
* Copyright (c) 2016 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_DRIVERS_SENSOR_BMA280_BMA280_H_
#define ZEPHYR_DRIVERS_SENSOR_BMA280_BMA280_H_
#include <zephyr/device.h>
#include <zephyr/sys/util.h>
#include <zephyr/types.h>
#include <zephyr/drivers/i2c.h>
#include <zephyr/drivers/gpio.h>
#include <zephyr/kernel.h>
#define BMA280_REG_CHIP_ID 0x00
#if DT_INST_PROP(0, is_bmc150)
#define BMA280_CHIP_ID 0xFA
#else
#define BMA280_CHIP_ID 0xFB
#endif
#define BMA280_REG_PMU_BW 0x10
#if CONFIG_BMA280_PMU_BW_1
#define BMA280_PMU_BW 0x08
#elif CONFIG_BMA280_PMU_BW_2
#define BMA280_PMU_BW 0x09
#elif CONFIG_BMA280_PMU_BW_3
#define BMA280_PMU_BW 0x0A
#elif CONFIG_BMA280_PMU_BW_4
#define BMA280_PMU_BW 0x0B
#elif CONFIG_BMA280_PMU_BW_5
#define BMA280_PMU_BW 0x0C
#elif CONFIG_BMA280_PMU_BW_6
#define BMA280_PMU_BW 0x0D
#elif CONFIG_BMA280_PMU_BW_7
#define BMA280_PMU_BW 0x0E
#elif CONFIG_BMA280_PMU_BW_8
#define BMA280_PMU_BW 0x0F
#endif
/*
* BMA280_PMU_FULL_RANGE measured in milli-m/s^2 instead
* of m/s^2 to avoid using struct sensor_value for it
*/
#define BMA280_REG_PMU_RANGE 0x0F
#if CONFIG_BMA280_PMU_RANGE_2G
#define BMA280_PMU_RANGE 0x03
#define BMA280_PMU_FULL_RANGE (4 * SENSOR_G)
#elif CONFIG_BMA280_PMU_RANGE_4G
#define BMA280_PMU_RANGE 0x05
#define BMA280_PMU_FULL_RANGE (8 * SENSOR_G)
#elif CONFIG_BMA280_PMU_RANGE_8G
#define BMA280_PMU_RANGE 0x08
#define BMA280_PMU_FULL_RANGE (16 * SENSOR_G)
#elif CONFIG_BMA280_PMU_RANGE_16G
#define BMA280_PMU_RANGE 0x0C
#define BMA280_PMU_FULL_RANGE (32 * SENSOR_G)
#endif
#define BMA280_REG_TEMP 0x08
#define BMA280_REG_INT_STATUS_0 0x09
#define BMA280_BIT_SLOPE_INT_STATUS BIT(2)
#define BMA280_REG_INT_STATUS_1 0x0A
#define BMA280_BIT_DATA_INT_STATUS BIT(7)
#define BMA280_REG_INT_EN_0 0x16
#define BMA280_BIT_SLOPE_EN_X BIT(0)
#define BMA280_BIT_SLOPE_EN_Y BIT(1)
#define BMA280_BIT_SLOPE_EN_Z BIT(2)
#define BMA280_SLOPE_EN_XYZ (BMA280_BIT_SLOPE_EN_X | \
BMA280_BIT_SLOPE_EN_Y | BMA280_BIT_SLOPE_EN_X)
#define BMA280_REG_INT_EN_1 0x17
#define BMA280_BIT_DATA_EN BIT(4)
#define BMA280_REG_INT_MAP_0 0x19
#define BMA280_INT_MAP_0_BIT_SLOPE BIT(2)
#define BMA280_REG_INT_MAP_1 0x1A
#define BMA280_INT_MAP_1_BIT_DATA BIT(0)
#define BMA280_REG_INT_RST_LATCH 0x21
#define BMA280_INT_MODE_LATCH 0x0F
#define BMA280_BIT_INT_LATCH_RESET BIT(7)
#define BMA280_REG_INT_5 0x27
#define BMA280_SLOPE_DUR_SHIFT 0
#define BMA280_SLOPE_DUR_MASK (3 << BMA280_SLOPE_DUR_SHIFT)
#define BMA280_REG_SLOPE_TH 0x28
#define BMA280_REG_ACCEL_X_LSB 0x2
#define BMA280_REG_ACCEL_Y_LSB 0x4
#define BMA280_REG_ACCEL_Z_LSB 0x6
#if DT_INST_PROP(0, is_bmc150)
#define BMA280_ACCEL_LSB_BITS 4
#define BMA280_ACCEL_LSB_SHIFT 4
#else
#define BMA280_ACCEL_LSB_BITS 6
#define BMA280_ACCEL_LSB_SHIFT 2
#endif
#define BMA280_ACCEL_LSB_MASK \
(BIT_MASK(BMA280_ACCEL_LSB_BITS) << BMA280_ACCEL_LSB_SHIFT)
#define BMA280_REG_ACCEL_X_MSB 0x3
#define BMA280_REG_ACCEL_Y_MSB 0x5
#define BMA280_REG_ACCEL_Z_MSB 0x7
#define BMA280_THREAD_PRIORITY 10
#define BMA280_THREAD_STACKSIZE_UNIT 1024
struct bma280_data {
int16_t x_sample;
int16_t y_sample;
int16_t z_sample;
int8_t temp_sample;
#ifdef CONFIG_BMA280_TRIGGER
const struct device *dev;
struct gpio_callback gpio_cb;
const struct sensor_trigger *data_ready_trigger;
sensor_trigger_handler_t data_ready_handler;
const struct sensor_trigger *any_motion_trigger;
sensor_trigger_handler_t any_motion_handler;
#if defined(CONFIG_BMA280_TRIGGER_OWN_THREAD)
K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_BMA280_THREAD_STACK_SIZE);
struct k_thread thread;
struct k_sem gpio_sem;
#elif defined(CONFIG_BMA280_TRIGGER_GLOBAL_THREAD)
struct k_work work;
#endif
#endif /* CONFIG_BMA280_TRIGGER */
};
struct bma280_config {
struct i2c_dt_spec i2c;
#ifdef CONFIG_BMA280_TRIGGER
struct gpio_dt_spec int1_gpio;
#endif
};
#ifdef CONFIG_BMA280_TRIGGER
int bma280_trigger_set(const struct device *dev,
const struct sensor_trigger *trig,
sensor_trigger_handler_t handler);
int bma280_attr_set(const struct device *dev,
enum sensor_channel chan,
enum sensor_attribute attr,
const struct sensor_value *val);
int bma280_init_interrupt(const struct device *dev);
#endif
#endif /* ZEPHYR_DRIVERS_SENSOR_BMA280_BMA280_H_ */