| /* ST Microelectronics LPS22HH pressure and temperature sensor |
| * |
| * Copyright (c) 2019 STMicroelectronics |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Datasheet: |
| * https://www.st.com/resource/en/datasheet/lps22hh.pdf |
| */ |
| |
| #ifndef ZEPHYR_DRIVERS_SENSOR_LPS22HH_LPS22HH_H_ |
| #define ZEPHYR_DRIVERS_SENSOR_LPS22HH_LPS22HH_H_ |
| |
| #include <stdint.h> |
| #include <drivers/i2c.h> |
| #include <drivers/spi.h> |
| #include <drivers/gpio.h> |
| #include <drivers/sensor.h> |
| #include <zephyr/types.h> |
| #include <sys/util.h> |
| #include "lps22hh_reg.h" |
| |
| union axis1bit32_t { |
| s32_t i32bit; |
| u8_t u8bit[4]; |
| }; |
| |
| union axis1bit16_t { |
| s16_t i16bit; |
| u8_t u8bit[2]; |
| }; |
| |
| struct lps22hh_config { |
| char *master_dev_name; |
| int (*bus_init)(struct device *dev); |
| #ifdef CONFIG_LPS22HH_TRIGGER |
| const char *drdy_port; |
| u8_t drdy_pin; |
| u8_t drdy_flags; |
| #endif |
| #ifdef DT_ST_LPS22HH_BUS_I2C |
| u16_t i2c_slv_addr; |
| #elif DT_ST_LPS22HH_BUS_SPI |
| struct spi_config spi_conf; |
| #if defined(DT_INST_0_ST_LPS22HH_CS_GPIOS_CONTROLLER) |
| const char *gpio_cs_port; |
| u8_t cs_gpio; |
| #endif |
| #endif |
| }; |
| |
| struct lps22hh_data { |
| struct device *bus; |
| s32_t sample_press; |
| s16_t sample_temp; |
| |
| stmdev_ctx_t *ctx; |
| |
| #ifdef DT_ST_LPS22HH_BUS_I2C |
| stmdev_ctx_t ctx_i2c; |
| #elif DT_ST_LPS22HH_BUS_SPI |
| stmdev_ctx_t ctx_spi; |
| #endif |
| |
| #ifdef CONFIG_LPS22HH_TRIGGER |
| struct device *gpio; |
| u32_t pin; |
| struct gpio_callback gpio_cb; |
| |
| struct sensor_trigger data_ready_trigger; |
| sensor_trigger_handler_t handler_drdy; |
| |
| #if defined(CONFIG_LPS22HH_TRIGGER_OWN_THREAD) |
| K_THREAD_STACK_MEMBER(thread_stack, CONFIG_LPS22HH_THREAD_STACK_SIZE); |
| struct k_thread thread; |
| struct k_sem gpio_sem; |
| #elif defined(CONFIG_LPS22HH_TRIGGER_GLOBAL_THREAD) |
| struct k_work work; |
| struct device *dev; |
| #endif |
| |
| #endif /* CONFIG_LPS22HH_TRIGGER */ |
| #if defined(DT_INST_0_ST_LPS22HH_CS_GPIOS_CONTROLLER) |
| struct spi_cs_control cs_ctrl; |
| #endif |
| }; |
| |
| int lps22hh_i2c_init(struct device *dev); |
| int lps22hh_spi_init(struct device *dev); |
| |
| #ifdef CONFIG_LPS22HH_TRIGGER |
| int lps22hh_trigger_set(struct device *dev, |
| const struct sensor_trigger *trig, |
| sensor_trigger_handler_t handler); |
| |
| int lps22hh_init_interrupt(struct device *dev); |
| #endif |
| |
| #endif /* ZEPHYR_DRIVERS_SENSOR_LPS22HH_LPS22HH_H_ */ |