| /* 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" |
| |
| struct stts751_config { |
| char *master_dev_name; |
| int (*bus_init)(const 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 { |
| const struct device *dev; |
| const 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 |
| const 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_KERNEL_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; |
| #endif |
| |
| #endif /* CONFIG_STTS751_TRIGGER */ |
| }; |
| |
| int stts751_i2c_init(const struct device *dev); |
| |
| #ifdef CONFIG_STTS751_TRIGGER |
| int stts751_trigger_set(const struct device *dev, |
| const struct sensor_trigger *trig, |
| sensor_trigger_handler_t handler); |
| |
| int stts751_init_interrupt(const struct device *dev); |
| #endif |
| |
| #endif /* ZEPHYR_DRIVERS_SENSOR_STTS751_STTS751_H_ */ |