73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
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#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct IrdaHandler IrdaHandler;
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// Do not change protocol order, as it can be saved into memory and fw update can be performed!
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typedef enum {
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IrdaProtocolSamsung32 = 0,
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IrdaProtocolNEC = 1,
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} IrdaProtocol;
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typedef struct {
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IrdaProtocol protocol;
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uint32_t address;
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uint32_t command;
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bool repeat;
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} IrdaMessage;
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/**
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* Initialize decoder.
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*
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* \return returns pointer to IRDA decoder handler if success, otherwise - error.
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*/
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IrdaHandler* irda_alloc_decoder(void);
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/**
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* Provide to decoder next timing. If message is ready, it returns decoded message,
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* otherwise NULL.
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*
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* \param[in] handler - handler to irda decoders. Should be aquired with \c irda_alloc_decoder().
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* \param[in] level - high(true) or low(false) level of input signal to analyze.
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* it should alternate every call, otherwise it is an error case,
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* and decoder resets its state and start decoding from the start.
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* \param[in] duration - duration of steady high/low input signal.
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* \return if message is ready, returns pointer to decoded message, returns NULL.
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*/
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const IrdaMessage* irda_decode(IrdaHandler* handler, bool level, uint32_t duration);
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/**
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* Deinitialize decoder and free allocated memory.
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*
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* \param[in] handler - handler to irda decoders. Should be aquired with \c irda_alloc_decoder().
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*/
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void irda_free_decoder(IrdaHandler* handler);
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/**
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* Send message over IRDA.
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*
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* \param[in] message - message to send.
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* \param[in] times - number of times message should be sent.
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*/
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void irda_send(const IrdaMessage* message, int times);
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/**
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* Get protocol name by protocol enum.
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*
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* \param[in] protocol - protocol identifier.
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* \return string to protocol name.
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*/
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const char* irda_get_protocol_name(IrdaProtocol protocol);
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#ifdef __cplusplus
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}
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#endif
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