36 lines
800 B
C
36 lines
800 B
C
#pragma once
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#include <stdatomic.h>
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#include <stdint.h>
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#include <threads.h>
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struct accel_data {
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int16_t x;
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int16_t y;
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int16_t z;
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};
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enum accel_rotation : uint8_t {
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ACCEL_ROTATION_0DEG = 0,
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ACCEL_ROTATION_90DEG,
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ACCEL_ROTATION_180DEG,
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ACCEL_ROTATION_270DEG,
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ACCEL_ROTATION_NO_CHANGE,
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};
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struct accel_monitor {
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atomic_bool monitoring_thread_should_exit;
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atomic_bool monitoring_thread_is_ready;
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thrd_t monitoring_thread;
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char const* sysfs_device_path;
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mtx_t current_data_lock;
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struct accel_data current_data;
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atomic_bool data_is_ready;
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};
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struct accel_monitor* accel_start_monitor(char const* const sysfs_device_path);
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enum accel_rotation accel_get_current_rotation(struct accel_monitor*);
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void accel_stop_monitor(struct accel_monitor*);
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