87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
/* ST Microelectronics IIS3DHHC accelerometer 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/iis3dhhc.pdf
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*/
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#ifndef ZEPHYR_DRIVERS_SENSOR_IIS3DHHC_IIS3DHHC_H_
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#define ZEPHYR_DRIVERS_SENSOR_IIS3DHHC_IIS3DHHC_H_
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#include <stdint.h>
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#include <drivers/spi.h>
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#include <drivers/gpio.h>
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#include <drivers/sensor.h>
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#include <zephyr/types.h>
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#include <sys/util.h>
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#include "iis3dhhc_reg.h"
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union axis3bit16_t {
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int16_t i16bit[3];
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uint8_t u8bit[6];
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};
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struct iis3dhhc_config {
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char *master_dev_name;
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int (*bus_init)(const struct device *dev);
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#ifdef CONFIG_IIS3DHHC_TRIGGER
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const char *int_port;
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uint8_t int_pin;
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uint8_t int_flags;
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#endif
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#if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi)
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struct spi_config spi_conf;
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#if DT_INST_SPI_DEV_HAS_CS_GPIOS(0)
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const char *gpio_cs_port;
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uint8_t cs_gpio;
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#endif
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#endif
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};
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struct iis3dhhc_data {
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const struct device *bus;
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int16_t acc[3];
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stmdev_ctx_t *ctx;
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#if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi)
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stmdev_ctx_t ctx_spi;
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#endif
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#ifdef CONFIG_IIS3DHHC_TRIGGER
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const struct device *gpio;
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uint32_t pin;
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struct gpio_callback gpio_cb;
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sensor_trigger_handler_t handler_drdy;
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const struct device *dev;
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#if defined(CONFIG_IIS3DHHC_TRIGGER_OWN_THREAD)
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K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_IIS3DHHC_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_IIS3DHHC_TRIGGER_GLOBAL_THREAD)
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struct k_work work;
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#endif
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#endif /* CONFIG_IIS3DHHC_TRIGGER */
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#if DT_INST_SPI_DEV_HAS_CS_GPIOS(0)
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struct spi_cs_control cs_ctrl;
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#endif
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};
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int iis3dhhc_spi_init(const struct device *dev);
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#ifdef CONFIG_IIS3DHHC_TRIGGER
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int iis3dhhc_trigger_set(const 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 iis3dhhc_init_interrupt(const struct device *dev);
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#endif
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#endif /* ZEPHYR_DRIVERS_SENSOR_IIS3DHHC_IIS3DHHC_H_ */
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