72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/* ST Microelectronics STTS751 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/stts751.pdf
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*/
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#ifndef ZEPHYR_DRIVERS_SENSOR_STTS751_STTS751_H_
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#define ZEPHYR_DRIVERS_SENSOR_STTS751_STTS751_H_
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#include <stdint.h>
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#include <zephyr/drivers/i2c.h>
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#include <zephyr/drivers/gpio.h>
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#include <zephyr/drivers/sensor.h>
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#include <zephyr/kernel.h>
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#include <zephyr/types.h>
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#include <zephyr/sys/util.h>
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#include <stmemsc.h>
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#include "stts751_reg.h"
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struct stts751_config {
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#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
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struct i2c_dt_spec i2c;
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#endif
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int (*bus_init)(const struct device *dev);
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#ifdef CONFIG_STTS751_TRIGGER
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struct gpio_dt_spec int_gpio;
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#endif
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};
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struct stts751_data {
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const struct device *dev;
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int16_t sample_temp;
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stmdev_ctx_t *ctx;
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#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
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stmdev_ctx_t ctx_i2c;
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#endif
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#ifdef CONFIG_STTS751_TRIGGER
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struct gpio_callback gpio_cb;
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const struct sensor_trigger *thsld_trigger;
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sensor_trigger_handler_t thsld_handler;
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#if defined(CONFIG_STTS751_TRIGGER_OWN_THREAD)
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K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_STTS751_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_STTS751_TRIGGER_GLOBAL_THREAD)
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struct k_work work;
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#endif
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#endif /* CONFIG_STTS751_TRIGGER */
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};
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int stts751_i2c_init(const struct device *dev);
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#ifdef CONFIG_STTS751_TRIGGER
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int stts751_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 stts751_init_interrupt(const struct device *dev);
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#endif
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#endif /* ZEPHYR_DRIVERS_SENSOR_STTS751_STTS751_H_ */
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