blob: 13271414c9799638c56acfbec188684afc7e853e [file] [log] [blame]
/* ST Microelectronics IIS2MDC 3-axis magnetometer sensor
*
* Copyright (c) 2020 STMicroelectronics
*
* SPDX-License-Identifier: Apache-2.0
*
* Datasheet:
* https://www.st.com/resource/en/datasheet/iis2mdc.pdf
*/
#ifndef __MAG_IIS2MDC_H
#define __MAG_IIS2MDC_H
#include <zephyr/drivers/gpio.h>
#include <zephyr/drivers/sensor.h>
#include <zephyr/sys/util.h>
#include "iis2mdc_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 iis2mdc_dev_config {
union {
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
struct i2c_dt_spec i2c;
#endif
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi)
struct spi_dt_spec spi;
#endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) */
};
int (*bus_init)(const struct device *dev);
#ifdef CONFIG_IIS2MDC_TRIGGER
const struct gpio_dt_spec gpio_drdy;
#endif /* CONFIG_IIS2MDC_TRIGGER */
};
/* Sensor data */
struct iis2mdc_data {
const struct device *dev;
int16_t mag[3];
int32_t temp_sample;
stmdev_ctx_t *ctx;
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
stmdev_ctx_t ctx_i2c;
#endif
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi)
stmdev_ctx_t ctx_spi;
#endif
#ifdef CONFIG_IIS2MDC_TRIGGER
struct gpio_callback gpio_cb;
sensor_trigger_handler_t handler_drdy;
#if defined(CONFIG_IIS2MDC_TRIGGER_OWN_THREAD)
K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_IIS2MDC_THREAD_STACK_SIZE);
struct k_thread thread;
struct k_sem gpio_sem;
#elif defined(CONFIG_IIS2MDC_TRIGGER_GLOBAL_THREAD)
struct k_work work;
#endif /* CONFIG_IIS2MDC_TRIGGER_GLOBAL_THREAD */
#endif /* CONFIG_IIS2MDC_TRIGGER */
};
int iis2mdc_spi_init(const struct device *dev);
int iis2mdc_i2c_init(const struct device *dev);
#ifdef CONFIG_IIS2MDC_TRIGGER
int iis2mdc_init_interrupt(const struct device *dev);
int iis2mdc_trigger_set(const struct device *dev,
const struct sensor_trigger *trig,
sensor_trigger_handler_t handler);
#endif /* CONFIG_IIS2MDC_TRIGGER */
#endif /* __MAG_IIS2MDC_H */