84 lines
2.0 KiB
C
84 lines
2.0 KiB
C
/*
|
|
* Copyright (c) 2016 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#ifndef ZEPHYR_DRIVERS_SENSOR_HMC5883L_HMC5883L_H_
|
|
#define ZEPHYR_DRIVERS_SENSOR_HMC5883L_HMC5883L_H_
|
|
|
|
#include <zephyr/device.h>
|
|
#include <zephyr/sys/util.h>
|
|
#include <zephyr/types.h>
|
|
#include <zephyr/drivers/i2c.h>
|
|
#include <zephyr/drivers/gpio.h>
|
|
|
|
#define HMC5883L_REG_CONFIG_A 0x00
|
|
#define HMC5883L_ODR_SHIFT 2
|
|
|
|
#define HMC5883L_REG_CONFIG_B 0x01
|
|
#define HMC5883L_GAIN_SHIFT 5
|
|
|
|
#define HMC5883L_REG_MODE 0x02
|
|
#define HMC5883L_MODE_CONTINUOUS 0
|
|
|
|
#define HMC5883L_REG_DATA_START 0x03
|
|
|
|
#define HMC5883L_REG_CHIP_ID 0x0A
|
|
#define HMC5883L_CHIP_ID_A 'H'
|
|
#define HMC5883L_CHIP_ID_B '4'
|
|
#define HMC5883L_CHIP_ID_C '3'
|
|
|
|
static const char *const hmc5883l_odr_strings[] = {
|
|
"0.75", "1.5", "3", "7.5", "15", "30", "75"
|
|
};
|
|
|
|
static const char *const hmc5883l_fs_strings[] = {
|
|
"0.88", "1.3", "1.9", "2.5", "4", "4.7", "5.6", "8.1"
|
|
};
|
|
|
|
static const uint16_t hmc5883l_gain[] = {
|
|
1370, 1090, 820, 660, 440, 390, 330, 230
|
|
};
|
|
|
|
struct hmc5883l_data {
|
|
int16_t x_sample;
|
|
int16_t y_sample;
|
|
int16_t z_sample;
|
|
uint8_t gain_idx;
|
|
|
|
#ifdef CONFIG_HMC5883L_TRIGGER
|
|
const struct device *dev;
|
|
struct gpio_callback gpio_cb;
|
|
|
|
struct sensor_trigger data_ready_trigger;
|
|
sensor_trigger_handler_t data_ready_handler;
|
|
|
|
#if defined(CONFIG_HMC5883L_TRIGGER_OWN_THREAD)
|
|
K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_HMC5883L_THREAD_STACK_SIZE);
|
|
struct k_thread thread;
|
|
struct k_sem gpio_sem;
|
|
#elif defined(CONFIG_HMC5883L_TRIGGER_GLOBAL_THREAD)
|
|
struct k_work work;
|
|
#endif
|
|
|
|
#endif /* CONFIG_HMC5883L_TRIGGER */
|
|
};
|
|
|
|
struct hmc5883l_config {
|
|
struct i2c_dt_spec i2c;
|
|
#ifdef CONFIG_HMC5883L_TRIGGER
|
|
struct gpio_dt_spec int_gpio;
|
|
#endif
|
|
};
|
|
|
|
#ifdef CONFIG_HMC5883L_TRIGGER
|
|
int hmc5883l_trigger_set(const struct device *dev,
|
|
const struct sensor_trigger *trig,
|
|
sensor_trigger_handler_t handler);
|
|
|
|
int hmc5883l_init_interrupt(const struct device *dev);
|
|
#endif
|
|
|
|
#endif /* __SENSOR_HMC5883L__ */
|