1 /* ST Microelectronics IIS3DHHC accelerometer sensor 2 * 3 * Copyright (c) 2019 STMicroelectronics 4 * 5 * SPDX-License-Identifier: Apache-2.0 6 * 7 * Datasheet: 8 * https://www.st.com/resource/en/datasheet/iis3dhhc.pdf 9 */ 10 11 #ifndef ZEPHYR_DRIVERS_SENSOR_IIS3DHHC_IIS3DHHC_H_ 12 #define ZEPHYR_DRIVERS_SENSOR_IIS3DHHC_IIS3DHHC_H_ 13 14 #include <stdint.h> 15 #include <zephyr/drivers/spi.h> 16 #include <zephyr/drivers/gpio.h> 17 #include <zephyr/drivers/sensor.h> 18 #include <zephyr/kernel.h> 19 #include <zephyr/types.h> 20 #include <zephyr/sys/util.h> 21 #include <stmemsc.h> 22 #include "iis3dhhc_reg.h" 23 24 struct iis3dhhc_config { 25 int (*bus_init)(const struct device *dev); 26 #ifdef CONFIG_IIS3DHHC_TRIGGER 27 struct gpio_dt_spec int_gpio; 28 #endif 29 #if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) 30 struct spi_dt_spec spi; 31 #endif 32 }; 33 34 struct iis3dhhc_data { 35 int16_t acc[3]; 36 37 stmdev_ctx_t *ctx; 38 39 #ifdef CONFIG_IIS3DHHC_TRIGGER 40 struct gpio_callback gpio_cb; 41 42 sensor_trigger_handler_t handler_drdy; 43 const struct sensor_trigger *trig_drdy; 44 const struct device *dev; 45 46 #if defined(CONFIG_IIS3DHHC_TRIGGER_OWN_THREAD) 47 K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_IIS3DHHC_THREAD_STACK_SIZE); 48 struct k_thread thread; 49 struct k_sem gpio_sem; 50 #elif defined(CONFIG_IIS3DHHC_TRIGGER_GLOBAL_THREAD) 51 struct k_work work; 52 #endif 53 54 #endif /* CONFIG_IIS3DHHC_TRIGGER */ 55 }; 56 57 int iis3dhhc_spi_init(const struct device *dev); 58 59 #ifdef CONFIG_IIS3DHHC_TRIGGER 60 int iis3dhhc_trigger_set(const struct device *dev, 61 const struct sensor_trigger *trig, 62 sensor_trigger_handler_t handler); 63 64 int iis3dhhc_init_interrupt(const struct device *dev); 65 #endif 66 67 #endif /* ZEPHYR_DRIVERS_SENSOR_IIS3DHHC_IIS3DHHC_H_ */ 68
