1 /* 2 * Copyright (c) 2016 Intel Corporation 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #ifndef ZEPHYR_DRIVERS_SENSOR_SHT3XD_SHT3XD_H_ 8 #define ZEPHYR_DRIVERS_SENSOR_SHT3XD_SHT3XD_H_ 9 10 #include <zephyr/device.h> 11 #include <zephyr/kernel.h> 12 #include <zephyr/drivers/gpio.h> 13 #include <zephyr/drivers/i2c.h> 14 15 #define SHT3XD_CMD_FETCH 0xE000 16 #define SHT3XD_CMD_ART 0x2B32 17 #define SHT3XD_CMD_READ_STATUS 0xF32D 18 #define SHT3XD_CMD_CLEAR_STATUS 0x3041 19 20 #define SHT3XD_CMD_WRITE_TH_HIGH_SET 0x611D 21 #define SHT3XD_CMD_WRITE_TH_HIGH_CLEAR 0x6116 22 #define SHT3XD_CMD_WRITE_TH_LOW_SET 0x610B 23 #define SHT3XD_CMD_WRITE_TH_LOW_CLEAR 0x6100 24 25 #if CONFIG_SHT3XD_REPEATABILITY_LOW 26 #define SHT3XD_REPEATABILITY_IDX 0 27 #elif CONFIG_SHT3XD_REPEATABILITY_MEDIUM 28 #define SHT3XD_REPEATABILITY_IDX 1 29 #elif CONFIG_SHT3XD_REPEATABILITY_HIGH 30 #define SHT3XD_REPEATABILITY_IDX 2 31 #endif 32 33 #if CONFIG_SHT3XD_MPS_05 34 #define SHT3XD_MPS_IDX 0 35 #elif CONFIG_SHT3XD_MPS_1 36 #define SHT3XD_MPS_IDX 1 37 #elif CONFIG_SHT3XD_MPS_2 38 #define SHT3XD_MPS_IDX 2 39 #elif CONFIG_SHT3XD_MPS_4 40 #define SHT3XD_MPS_IDX 3 41 #elif CONFIG_SHT3XD_MPS_10 42 #define SHT3XD_MPS_IDX 4 43 #endif 44 45 #define SHT3XD_CLEAR_STATUS_WAIT_USEC 1000 46 47 struct sht3xd_config { 48 struct i2c_dt_spec bus; 49 50 #ifdef CONFIG_SHT3XD_TRIGGER 51 struct gpio_dt_spec alert_gpio; 52 #endif /* CONFIG_SHT3XD_TRIGGER */ 53 }; 54 55 struct sht3xd_data { 56 uint16_t t_sample; 57 uint16_t rh_sample; 58 59 #ifdef CONFIG_SHT3XD_TRIGGER 60 const struct device *dev; 61 struct gpio_callback alert_cb; 62 63 uint16_t t_low; 64 uint16_t t_high; 65 uint16_t rh_low; 66 uint16_t rh_high; 67 68 sensor_trigger_handler_t handler; 69 const struct sensor_trigger *trigger; 70 71 #if defined(CONFIG_SHT3XD_TRIGGER_OWN_THREAD) 72 K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_SHT3XD_THREAD_STACK_SIZE); 73 struct k_sem gpio_sem; 74 struct k_thread thread; 75 #elif defined(CONFIG_SHT3XD_TRIGGER_GLOBAL_THREAD) 76 struct k_work work; 77 #endif 78 79 #endif /* CONFIG_SHT3XD_TRIGGER */ 80 }; 81 82 #ifdef CONFIG_SHT3XD_TRIGGER 83 int sht3xd_write_command(const struct device *dev, uint16_t cmd); 84 85 int sht3xd_write_reg(const struct device *dev, uint16_t cmd, uint16_t val); 86 87 int sht3xd_attr_set(const struct device *dev, 88 enum sensor_channel chan, 89 enum sensor_attribute attr, 90 const struct sensor_value *val); 91 92 int sht3xd_trigger_set(const struct device *dev, 93 const struct sensor_trigger *trig, 94 sensor_trigger_handler_t handler); 95 96 int sht3xd_init_interrupt(const struct device *dev); 97 #endif 98 99 #endif /* ZEPHYR_DRIVERS_SENSOR_SHT3XD_SHT3XD_H_ */ 100
