89 lines
2.0 KiB
C
89 lines
2.0 KiB
C
/* ST Microelectronics LPS22HH pressure and temperature sensor
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*
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* Copyright (c) 2019 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Datasheet:
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* https://www.st.com/resource/en/datasheet/lps22hh.pdf
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*/
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#ifndef ZEPHYR_DRIVERS_SENSOR_LPS22HH_LPS22HH_H_
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#define ZEPHYR_DRIVERS_SENSOR_LPS22HH_LPS22HH_H_
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#include <stdint.h>
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#include <drivers/i2c.h>
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#include <drivers/spi.h>
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#include <gpio.h>
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#include <sensor.h>
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#include <zephyr/types.h>
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#include <sys/util.h>
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#include "lps22hh_reg.h"
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struct lps22hh_config {
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char *master_dev_name;
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int (*bus_init)(struct device *dev);
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#ifdef CONFIG_LPS22HH_TRIGGER
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const char *drdy_port;
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u8_t drdy_pin;
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#endif
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#ifdef DT_ST_LPS22HH_BUS_I2C
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u16_t i2c_slv_addr;
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#elif DT_ST_LPS22HH_BUS_SPI
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struct spi_config spi_conf;
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#if defined(DT_INST_0_ST_LPS22HH_CS_GPIO_CONTROLLER)
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const char *gpio_cs_port;
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u8_t cs_gpio;
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#endif
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#endif
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};
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struct lps22hh_data {
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struct device *bus;
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s32_t sample_press;
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s16_t sample_temp;
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lps22hh_ctx_t *ctx;
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#ifdef DT_ST_LPS22HH_BUS_I2C
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lps22hh_ctx_t ctx_i2c;
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#elif DT_ST_LPS22HH_BUS_SPI
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lps22hh_ctx_t ctx_spi;
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#endif
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#ifdef CONFIG_LPS22HH_TRIGGER
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struct device *gpio;
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u32_t pin;
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struct gpio_callback gpio_cb;
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struct sensor_trigger data_ready_trigger;
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sensor_trigger_handler_t handler_drdy;
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#if defined(CONFIG_LPS22HH_TRIGGER_OWN_THREAD)
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K_THREAD_STACK_MEMBER(thread_stack, CONFIG_LPS22HH_THREAD_STACK_SIZE);
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struct k_thread thread;
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struct k_sem gpio_sem;
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#elif defined(CONFIG_LPS22HH_TRIGGER_GLOBAL_THREAD)
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struct k_work work;
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struct device *dev;
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#endif
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#endif /* CONFIG_LPS22HH_TRIGGER */
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#if defined(DT_INST_0_ST_LPS22HH_CS_GPIO_CONTROLLER)
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struct spi_cs_control cs_ctrl;
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#endif
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};
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int lps22hh_i2c_init(struct device *dev);
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int lps22hh_spi_init(struct device *dev);
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#ifdef CONFIG_LPS22HH_TRIGGER
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int lps22hh_trigger_set(struct device *dev,
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const struct sensor_trigger *trig,
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sensor_trigger_handler_t handler);
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int lps22hh_init_interrupt(struct device *dev);
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#endif
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#endif /* ZEPHYR_DRIVERS_SENSOR_LPS22HH_LPS22HH_H_ */
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