101 lines
2.2 KiB
C
101 lines
2.2 KiB
C
/* 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 {
|
|
int32_t i32bit;
|
|
uint8_t u8bit[4];
|
|
};
|
|
|
|
union axis1bit16_t {
|
|
int16_t i16bit;
|
|
uint8_t u8bit[2];
|
|
};
|
|
|
|
struct lps22hh_config {
|
|
char *master_dev_name;
|
|
int (*bus_init)(const struct device *dev);
|
|
#ifdef CONFIG_LPS22HH_TRIGGER
|
|
const char *drdy_port;
|
|
uint8_t drdy_pin;
|
|
uint8_t drdy_flags;
|
|
#endif
|
|
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
|
|
uint16_t i2c_slv_addr;
|
|
#elif DT_ANY_INST_ON_BUS_STATUS_OKAY(spi)
|
|
struct spi_config spi_conf;
|
|
#if DT_INST_SPI_DEV_HAS_CS_GPIOS(0)
|
|
const char *gpio_cs_port;
|
|
uint8_t cs_gpio;
|
|
uint8_t cs_gpio_flags;
|
|
#endif
|
|
#endif
|
|
};
|
|
|
|
struct lps22hh_data {
|
|
const struct device *dev;
|
|
const struct device *bus;
|
|
int32_t sample_press;
|
|
int16_t sample_temp;
|
|
|
|
stmdev_ctx_t *ctx;
|
|
|
|
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
|
|
stmdev_ctx_t ctx_i2c;
|
|
#elif DT_ANY_INST_ON_BUS_STATUS_OKAY(spi)
|
|
stmdev_ctx_t ctx_spi;
|
|
#endif
|
|
|
|
#ifdef CONFIG_LPS22HH_TRIGGER
|
|
const struct device *gpio;
|
|
uint32_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_KERNEL_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;
|
|
#endif
|
|
|
|
#endif /* CONFIG_LPS22HH_TRIGGER */
|
|
#if DT_INST_SPI_DEV_HAS_CS_GPIOS(0)
|
|
struct spi_cs_control cs_ctrl;
|
|
#endif
|
|
};
|
|
|
|
int lps22hh_i2c_init(const struct device *dev);
|
|
int lps22hh_spi_init(const struct device *dev);
|
|
|
|
#ifdef CONFIG_LPS22HH_TRIGGER
|
|
int lps22hh_trigger_set(const struct device *dev,
|
|
const struct sensor_trigger *trig,
|
|
sensor_trigger_handler_t handler);
|
|
|
|
int lps22hh_init_interrupt(const struct device *dev);
|
|
#endif
|
|
|
|
#endif /* ZEPHYR_DRIVERS_SENSOR_LPS22HH_LPS22HH_H_ */
|