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TransmitterIR.h
00001 /** 00002 * IR transmitter (Version 0.0.4) 00003 * 00004 * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems) 00005 * http://shinta.main.jp/ 00006 */ 00007 00008 #ifndef _TRANSMITTER_IR_H_ 00009 #define _TRANSMITTER_IR_H_ 00010 00011 #include <mbed.h> 00012 00013 #include "RemoteIR.h" 00014 00015 /** 00016 * IR transmitter class. 00017 */ 00018 class TransmitterIR { 00019 public: 00020 00021 /** 00022 * Constructor. 00023 * 00024 * @param txpin Pin for transmit IR signal. 00025 */ 00026 explicit TransmitterIR(PinName txpin); 00027 00028 /** 00029 * Destructor. 00030 */ 00031 ~TransmitterIR(); 00032 00033 typedef enum { 00034 Idle, 00035 Leader, 00036 Data, 00037 Trailer 00038 } State; 00039 00040 /** 00041 * Get state. 00042 * 00043 * @return Current state. 00044 */ 00045 State getState(void); 00046 00047 /** 00048 * Set data. 00049 * 00050 * @param format Format. 00051 * @param buf Buffer of a data. 00052 * @param bitlength Bit length of the data. 00053 * 00054 * @return Data bit length. 00055 */ 00056 int setData(RemoteIR::Format format, uint8_t *buf, int bitlength); 00057 00058 private: 00059 00060 typedef struct { 00061 State state; 00062 int bitcount; 00063 int leader; 00064 int data; 00065 int trailer; 00066 } work_t; 00067 00068 typedef struct { 00069 RemoteIR::Format format; 00070 int bitlength; 00071 uint8_t buffer[64]; 00072 } data_t; 00073 00074 PwmOut tx; 00075 Ticker ticker; 00076 data_t data; 00077 work_t work; 00078 00079 void tick(); 00080 00081 }; 00082 00083 #endif
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