79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
/* ST Microelectronics LIS2MDL 3-axis magnetometer sensor
|
|
*
|
|
* Copyright (c) 2018-2019 STMicroelectronics
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Datasheet:
|
|
* https://www.st.com/resource/en/datasheet/lis2mdl.pdf
|
|
*/
|
|
|
|
#ifndef __MAG_LIS2MDL_H
|
|
#define __MAG_LIS2MDL_H
|
|
|
|
#include <zephyr/drivers/gpio.h>
|
|
#include <zephyr/drivers/sensor.h>
|
|
#include <zephyr/sys/util.h>
|
|
#include <stmemsc.h>
|
|
#include "lis2mdl_reg.h"
|
|
|
|
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi)
|
|
#include <zephyr/drivers/spi.h>
|
|
#endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) */
|
|
|
|
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
|
|
#include <zephyr/drivers/i2c.h>
|
|
#endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) */
|
|
|
|
struct lis2mdl_config {
|
|
stmdev_ctx_t ctx;
|
|
union {
|
|
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
|
|
const struct i2c_dt_spec i2c;
|
|
#endif
|
|
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi)
|
|
const struct spi_dt_spec spi;
|
|
#endif
|
|
} stmemsc_cfg;
|
|
bool cancel_offset;
|
|
bool single_mode;
|
|
bool spi_4wires;
|
|
|
|
#ifdef CONFIG_LIS2MDL_TRIGGER
|
|
bool trig_enabled;
|
|
const struct gpio_dt_spec gpio_drdy;
|
|
#endif /* CONFIG_LIS2MDL_TRIGGER */
|
|
};
|
|
|
|
/* Sensor data */
|
|
struct lis2mdl_data {
|
|
const struct device *dev;
|
|
int16_t mag[3];
|
|
int16_t temp_sample;
|
|
struct k_sem fetch_sem;
|
|
|
|
#ifdef CONFIG_LIS2MDL_TRIGGER
|
|
struct gpio_callback gpio_cb;
|
|
|
|
sensor_trigger_handler_t handler_drdy;
|
|
const struct sensor_trigger *trig_drdy;
|
|
|
|
#if defined(CONFIG_LIS2MDL_TRIGGER_OWN_THREAD)
|
|
K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_LIS2MDL_THREAD_STACK_SIZE);
|
|
struct k_thread thread;
|
|
struct k_sem gpio_sem;
|
|
#elif defined(CONFIG_LIS2MDL_TRIGGER_GLOBAL_THREAD)
|
|
struct k_work work;
|
|
#endif /* CONFIG_LIS2MDL_TRIGGER_GLOBAL_THREAD */
|
|
#endif /* CONFIG_LIS2MDL_TRIGGER */
|
|
};
|
|
|
|
#ifdef CONFIG_LIS2MDL_TRIGGER
|
|
int lis2mdl_init_interrupt(const struct device *dev);
|
|
int lis2mdl_trigger_set(const struct device *dev,
|
|
const struct sensor_trigger *trig,
|
|
sensor_trigger_handler_t handler);
|
|
#endif /* CONFIG_LIS2MDL_TRIGGER */
|
|
|
|
#endif /* __MAG_LIS2MDL_H */
|