89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
/* 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 <drivers/gpio.h>
|
|
#include <drivers/sensor.h>
|
|
#include <sys/util.h>
|
|
#include "iis2mdc_reg.h"
|
|
|
|
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi)
|
|
#include <drivers/spi.h>
|
|
#endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) */
|
|
|
|
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
|
|
#include <drivers/i2c.h>
|
|
#endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) */
|
|
|
|
|
|
union iis2mdc_bus_cfg {
|
|
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
|
|
uint16_t i2c_slv_addr;
|
|
#endif
|
|
|
|
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi)
|
|
struct spi_config spi_cfg;
|
|
#endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) */
|
|
};
|
|
|
|
struct iis2mdc_dev_config {
|
|
const struct device *bus;
|
|
int (*bus_init)(const struct device *dev);
|
|
const union iis2mdc_bus_cfg bus_cfg;
|
|
#ifdef CONFIG_IIS2MDC_TRIGGER
|
|
const struct gpio_dt_spec gpio_drdy;
|
|
#endif /* CONFIG_IIS2MDC_TRIGGER */
|
|
};
|
|
|
|
/* Sensor data */
|
|
struct iis2mdc_data {
|
|
const struct device *dev;
|
|
uint16_t i2c_addr;
|
|
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 */
|