1 /* ST Microelectronics STTS22H temperature sensor 2 * 3 * Copyright (c) 2024 STMicroelectronics 4 * 5 * SPDX-License-Identifier: Apache-2.0 6 * 7 * Datasheet: 8 * https://www.st.com/resource/en/datasheet/stts22h.pdf 9 */ 10 11 #ifndef ZEPHYR_DRIVERS_SENSOR_STTS22H_STTS22H_H_ 12 #define ZEPHYR_DRIVERS_SENSOR_STTS22H_STTS22H_H_ 13 14 #include <zephyr/drivers/sensor.h> 15 #include <zephyr/types.h> 16 #include <zephyr/drivers/gpio.h> 17 #include <zephyr/sys/util.h> 18 #include <stmemsc.h> 19 #include "stts22h_reg.h" 20 21 #include <zephyr/drivers/i2c.h> 22 23 struct stts22h_config { 24 stmdev_ctx_t ctx; 25 const struct i2c_dt_spec i2c; 26 #ifdef CONFIG_STTS22H_TRIGGER 27 const struct gpio_dt_spec int_gpio; 28 #endif 29 uint8_t temp_hi; 30 uint8_t temp_lo; 31 uint8_t odr; 32 }; 33 34 struct stts22h_data { 35 const struct device *dev; 36 int16_t sample_temp; 37 38 #ifdef CONFIG_STTS22H_TRIGGER 39 struct gpio_callback gpio_cb; 40 41 const struct sensor_trigger *thsld_trigger; 42 sensor_trigger_handler_t thsld_handler; 43 44 #if defined(CONFIG_STTS22H_TRIGGER_OWN_THREAD) 45 K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_STTS22H_THREAD_STACK_SIZE); 46 struct k_thread thread; 47 struct k_sem gpio_sem; 48 #elif defined(CONFIG_STTS22H_TRIGGER_GLOBAL_THREAD) 49 struct k_work work; 50 #endif 51 52 #endif /* CONFIG_STTS22H_TRIGGER */ 53 }; 54 55 #ifdef CONFIG_STTS22H_TRIGGER 56 int stts22h_trigger_set(const struct device *dev, 57 const struct sensor_trigger *trig, 58 sensor_trigger_handler_t handler); 59 60 int stts22h_init_interrupt(const struct device *dev); 61 #endif 62 63 #endif /* ZEPHYR_DRIVERS_SENSOR_STTS22H_STTS22H_H_ */ 64