106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/*
|
|
* Copyright (c) 2016 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#ifndef ZEPHYR_DRIVERS_SENSOR_SHT3XD_SHT3XD_H_
|
|
#define ZEPHYR_DRIVERS_SENSOR_SHT3XD_SHT3XD_H_
|
|
|
|
#include <device.h>
|
|
#include <kernel.h>
|
|
#include <drivers/gpio.h>
|
|
#include <drivers/i2c.h>
|
|
|
|
#define SHT3XD_CMD_FETCH 0xE000
|
|
#define SHT3XD_CMD_ART 0x2B32
|
|
#define SHT3XD_CMD_READ_STATUS 0xF32D
|
|
#define SHT3XD_CMD_CLEAR_STATUS 0x3041
|
|
|
|
#define SHT3XD_CMD_WRITE_TH_HIGH_SET 0x611D
|
|
#define SHT3XD_CMD_WRITE_TH_HIGH_CLEAR 0x6116
|
|
#define SHT3XD_CMD_WRITE_TH_LOW_SET 0x610B
|
|
#define SHT3XD_CMD_WRITE_TH_LOW_CLEAR 0x6100
|
|
|
|
#if CONFIG_SHT3XD_REPEATABILITY_LOW
|
|
#define SHT3XD_REPEATABILITY_IDX 0
|
|
#elif CONFIG_SHT3XD_REPEATABILITY_MEDIUM
|
|
#define SHT3XD_REPEATABILITY_IDX 1
|
|
#elif CONFIG_SHT3XD_REPEATABILITY_HIGH
|
|
#define SHT3XD_REPEATABILITY_IDX 2
|
|
#endif
|
|
|
|
#if CONFIG_SHT3XD_MPS_05
|
|
#define SHT3XD_MPS_IDX 0
|
|
#elif CONFIG_SHT3XD_MPS_1
|
|
#define SHT3XD_MPS_IDX 1
|
|
#elif CONFIG_SHT3XD_MPS_2
|
|
#define SHT3XD_MPS_IDX 2
|
|
#elif CONFIG_SHT3XD_MPS_4
|
|
#define SHT3XD_MPS_IDX 3
|
|
#elif CONFIG_SHT3XD_MPS_10
|
|
#define SHT3XD_MPS_IDX 4
|
|
#endif
|
|
|
|
#define SHT3XD_CLEAR_STATUS_WAIT_USEC 1000
|
|
|
|
struct sht3xd_config {
|
|
struct i2c_dt_spec bus;
|
|
|
|
#ifdef CONFIG_SHT3XD_TRIGGER
|
|
char *alert_gpio_name;
|
|
#endif /* CONFIG_SHT3XD_TRIGGER */
|
|
|
|
#ifdef CONFIG_SHT3XD_TRIGGER
|
|
uint8_t alert_pin;
|
|
uint8_t alert_flags;
|
|
#endif /* CONFIG_SHT3XD_TRIGGER */
|
|
};
|
|
|
|
struct sht3xd_data {
|
|
uint16_t t_sample;
|
|
uint16_t rh_sample;
|
|
|
|
#ifdef CONFIG_SHT3XD_TRIGGER
|
|
const struct device *dev;
|
|
const struct device *alert_gpio;
|
|
struct gpio_callback alert_cb;
|
|
|
|
uint16_t t_low;
|
|
uint16_t t_high;
|
|
uint16_t rh_low;
|
|
uint16_t rh_high;
|
|
|
|
sensor_trigger_handler_t handler;
|
|
struct sensor_trigger trigger;
|
|
|
|
#if defined(CONFIG_SHT3XD_TRIGGER_OWN_THREAD)
|
|
K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_SHT3XD_THREAD_STACK_SIZE);
|
|
struct k_sem gpio_sem;
|
|
struct k_thread thread;
|
|
#elif defined(CONFIG_SHT3XD_TRIGGER_GLOBAL_THREAD)
|
|
struct k_work work;
|
|
#endif
|
|
|
|
#endif /* CONFIG_SHT3XD_TRIGGER */
|
|
};
|
|
|
|
#ifdef CONFIG_SHT3XD_TRIGGER
|
|
int sht3xd_write_command(const struct device *dev, uint16_t cmd);
|
|
|
|
int sht3xd_write_reg(const struct device *dev, uint16_t cmd, uint16_t val);
|
|
|
|
int sht3xd_attr_set(const struct device *dev,
|
|
enum sensor_channel chan,
|
|
enum sensor_attribute attr,
|
|
const struct sensor_value *val);
|
|
|
|
int sht3xd_trigger_set(const struct device *dev,
|
|
const struct sensor_trigger *trig,
|
|
sensor_trigger_handler_t handler);
|
|
|
|
int sht3xd_init_interrupt(const struct device *dev);
|
|
#endif
|
|
|
|
#endif /* ZEPHYR_DRIVERS_SENSOR_SHT3XD_SHT3XD_H_ */
|