mirror of https://github.com/joan2937/pigpio
34 lines
759 B
C
34 lines
759 B
C
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#ifndef IR_HASHER_H
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#define IR_HASHER_H
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#include <stdint.h>
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typedef void (*Pi_Hasher_CB_t)(uint32_t);
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struct _Pi_Hasher_s;
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typedef struct _Pi_Hasher_s Pi_Hasher_t;
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Pi_Hasher_t * Pi_Hasher(int gpio, Pi_Hasher_CB_t callback, int timeout);
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/*
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This function establishes an IR hasher on the gpio.
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A gap of timeout milliseconds without a new bit indicates
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the end of a code.
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When code end is detected the callback function is called
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with the code hash.
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A pointer to a private data type is returned. This should be passed
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to Pi_Hasher_cancel if the hasher is to be cancelled.
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*/
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void Pi_Hasher_cancel(Pi_Hasher_t *hasher);
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/*
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This function releases the resources used by the hasher.
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*/
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#endif
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