81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
/* ST Microelectronics STTS751 temperature sensor
|
|
*
|
|
* Copyright (c) 2019 STMicroelectronics
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Datasheet:
|
|
* https://www.st.com/resource/en/datasheet/stts751.pdf
|
|
*/
|
|
|
|
#ifndef ZEPHYR_DRIVERS_SENSOR_STTS751_STTS751_H_
|
|
#define ZEPHYR_DRIVERS_SENSOR_STTS751_STTS751_H_
|
|
|
|
#include <stdint.h>
|
|
#include <drivers/i2c.h>
|
|
#include <drivers/gpio.h>
|
|
#include <drivers/sensor.h>
|
|
#include <zephyr/types.h>
|
|
#include <sys/util.h>
|
|
#include "stts751_reg.h"
|
|
|
|
union axis1bit16_t {
|
|
int16_t i16bit;
|
|
uint8_t u8bit[2];
|
|
};
|
|
|
|
struct stts751_config {
|
|
char *master_dev_name;
|
|
int (*bus_init)(struct device *dev);
|
|
#ifdef CONFIG_STTS751_TRIGGER
|
|
const char *event_port;
|
|
uint8_t event_pin;
|
|
uint8_t int_flags;
|
|
#endif
|
|
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
|
|
uint16_t i2c_slv_addr;
|
|
#endif
|
|
};
|
|
|
|
struct stts751_data {
|
|
struct device *bus;
|
|
int16_t sample_temp;
|
|
|
|
stmdev_ctx_t *ctx;
|
|
|
|
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
|
|
stmdev_ctx_t ctx_i2c;
|
|
#endif
|
|
|
|
#ifdef CONFIG_STTS751_TRIGGER
|
|
struct device *gpio;
|
|
uint32_t pin;
|
|
struct gpio_callback gpio_cb;
|
|
|
|
struct sensor_trigger data_ready_trigger;
|
|
sensor_trigger_handler_t thsld_handler;
|
|
|
|
#if defined(CONFIG_STTS751_TRIGGER_OWN_THREAD)
|
|
K_THREAD_STACK_MEMBER(thread_stack, CONFIG_STTS751_THREAD_STACK_SIZE);
|
|
struct k_thread thread;
|
|
struct k_sem gpio_sem;
|
|
#elif defined(CONFIG_STTS751_TRIGGER_GLOBAL_THREAD)
|
|
struct k_work work;
|
|
struct device *dev;
|
|
#endif
|
|
|
|
#endif /* CONFIG_STTS751_TRIGGER */
|
|
};
|
|
|
|
int stts751_i2c_init(struct device *dev);
|
|
|
|
#ifdef CONFIG_STTS751_TRIGGER
|
|
int stts751_trigger_set(struct device *dev,
|
|
const struct sensor_trigger *trig,
|
|
sensor_trigger_handler_t handler);
|
|
|
|
int stts751_init_interrupt(struct device *dev);
|
|
#endif
|
|
|
|
#endif /* ZEPHYR_DRIVERS_SENSOR_STTS751_STTS751_H_ */
|