mirror of
https://github.com/zephyrproject-rtos/zephyr
synced 2025-09-02 07:32:38 +00:00
176c2525a6
Slope threshold attribute values should be received in m/s^2 instead of Gs, since accel channels return data in m/s^2. Change-Id: I0669345ff8af8559e47895bca8225e15d2576a06 Signed-off-by: Bogdan Davidoaia <bogdan.m.davidoaia@intel.com>
177 lines
4.9 KiB
C
177 lines
4.9 KiB
C
/*
|
|
* Copyright (c) 2016 Intel Corporation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef __SENSOR_BMA280_H__
|
|
#define __SENSOR_BMA280_H__
|
|
|
|
#include <device.h>
|
|
#include <misc/util.h>
|
|
#include <stdint.h>
|
|
|
|
#ifndef CONFIG_SENSOR_DEBUG
|
|
#define DBG(...) { ; }
|
|
#else
|
|
#include <misc/printk.h>
|
|
#define DBG printk
|
|
#endif /* CONFIG_SENSOR_DEBUG */
|
|
|
|
#if CONFIG_BMA280_I2C_ADDR_0x18
|
|
#define BMA280_I2C_ADDRESS 0x18
|
|
#elif CONFIG_BMA280_I2C_ADDR_0x19
|
|
#define BMA280_I2C_ADDRESS 0x19
|
|
#endif
|
|
|
|
#define BMA280_REG_CHIP_ID 0x00
|
|
#define BMA280_CHIP_ID 0xFB
|
|
|
|
#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
|
|
|
|
/*
|
|
* accel and slope scale measured in pico-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_ACCEL_SCALE (244 * SENSOR_G)
|
|
#define BMA280_SLOPE_TH_SCALE (3910 * SENSOR_G)
|
|
#elif CONFIG_BMA280_PMU_RANGE_4G
|
|
#define BMA280_PMU_RANGE 0x05
|
|
#define BMA280_ACCEL_SCALE (488 * SENSOR_G)
|
|
#define BMA280_SLOPE_TH_SCALE (7810 * SENSOR_G)
|
|
#elif CONFIG_BMA280_PMU_RANGE_8G
|
|
#define BMA280_PMU_RANGE 0x08
|
|
#define BMA280_ACCEL_SCALE (977 * SENSOR_G)
|
|
#define BMA280_SLOPE_TH_SCALE (15630 * SENSOR_G)
|
|
#elif CONFIG_BMA280_PMU_RANGE_16G
|
|
#define BMA280_PMU_RANGE 0x0C
|
|
#define BMA280_ACCEL_SCALE (1953 * SENSOR_G)
|
|
#define BMA280_SLOPE_TH_SCALE (31250 * 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
|
|
#define BMA280_ACCEL_LSB_BITS 6
|
|
#define BMA280_ACCEL_LSB_SHIFT 2
|
|
#define BMA280_ACCEL_LSB_MASK (0x3F << 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_FIBER_PRIORITY 10
|
|
#define BMA280_FIBER_STACKSIZE_UNIT 1024
|
|
|
|
struct bma280_data {
|
|
struct device *i2c;
|
|
int16_t x_sample;
|
|
int16_t y_sample;
|
|
int16_t z_sample;
|
|
int8_t temp_sample;
|
|
|
|
#ifdef CONFIG_BMA280_TRIGGER
|
|
struct device *gpio;
|
|
|
|
struct sensor_trigger data_ready_trigger;
|
|
sensor_trigger_handler_t data_ready_handler;
|
|
|
|
struct sensor_trigger any_motion_trigger;
|
|
sensor_trigger_handler_t any_motion_handler;
|
|
|
|
#if defined(CONFIG_BMA280_TRIGGER_OWN_FIBER)
|
|
char __stack fiber_stack[CONFIG_BMA280_FIBER_STACK_SIZE];
|
|
struct nano_sem gpio_sem;
|
|
#elif defined(CONFIG_BMA280_TRIGGER_GLOBAL_FIBER)
|
|
struct sensor_work work;
|
|
#endif
|
|
|
|
#endif /* CONFIG_BMA280_TRIGGER */
|
|
};
|
|
|
|
#ifdef CONFIG_BMA280_TRIGGER
|
|
int bma280_reg_write(struct bma280_data *drv_data,
|
|
uint8_t reg, uint8_t val);
|
|
|
|
int bma280_reg_read(struct bma280_data *drv_data,
|
|
uint8_t reg, uint8_t *val);
|
|
|
|
int bma280_reg_update(struct bma280_data *drv_data,
|
|
uint8_t reg, uint8_t mask, uint8_t val);
|
|
|
|
int bma280_trigger_set(struct device *dev,
|
|
const struct sensor_trigger *trig,
|
|
sensor_trigger_handler_t handler);
|
|
|
|
int bma280_attr_set(struct device *dev,
|
|
enum sensor_channel chan,
|
|
enum sensor_attribute attr,
|
|
const struct sensor_value *val);
|
|
|
|
int bma280_init_interrupt(struct device *dev);
|
|
#endif
|
|
|
|
#endif /* __SENSOR_BMA280_H__ */
|