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73 lines
2.7 KiB
73 lines
2.7 KiB
5 years ago
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/* IRLib_P02_Sony.h
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* Part of IRLib Library for Arduino receiving, decoding, and sending
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* infrared signals. See COPYRIGHT.txt and LICENSE.txt for more information.
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*/
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/*
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* Sony is backwards from most protocols. It uses a variable length mark and a fixed length
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* space rather than a fixed mark and a variable space. Our generic send will still work
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* however we need a custom decoding routine because it's difficult to get the generic
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* decoder to handle a variable length mark without cluttering up the code to much.
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* According to the protocol you must send Sony commands at least three times so we
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* automatically do it here. Sony can be 8, 12, 15, or 20 bits in length.
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* The 8 bit version uses a shorter trailing space at the end. The signal is modulated
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* at 40 kHz however most 38 kHz receivers are broad enough to receive it.
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*/
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#ifndef IRLIB_PROTOCOL_02_H
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#define IRLIB_PROTOCOL_02_H
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#define IR_SEND_PROTOCOL_02 case 2: IRsendSony::send(data,data2); break;
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#define IR_DECODE_PROTOCOL_02 if(IRdecodeSony::decode()) return true;
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#ifdef IRLIB_HAVE_COMBO
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#define PV_IR_DECODE_PROTOCOL_02 ,public virtual IRdecodeSony
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#define PV_IR_SEND_PROTOCOL_02 ,public virtual IRsendSony
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#else
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#define PV_IR_DECODE_PROTOCOL_02 public virtual IRdecodeSony
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#define PV_IR_SEND_PROTOCOL_02 public virtual IRsendSony
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#endif
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#ifdef IRLIBSENDBASE_H
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class IRsendSony: public virtual IRsendBase {
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public:
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void send(uint32_t data, uint8_t nbits) {
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for(uint8_t i=0; i<3;i++){
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sendGeneric(data,nbits, 600*4, 600, 600*2, 600, 600, 600, 40, false,45000);
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}
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}
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};
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#endif //IRLIBSENDBASE_H
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#ifdef IRLIBDECODEBASE_H
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class IRdecodeSony: public virtual IRdecodeBase {
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public:
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virtual bool decode(void) {
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IRLIB_ATTEMPT_MESSAGE(F("Sony"));
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resetDecoder();//This used to be in the receiver getResults.
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if(recvGlobal.decodeLength!=2*8+2 && recvGlobal.decodeLength!=2*12+2 && recvGlobal.decodeLength!=2*15+2
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&& recvGlobal.decodeLength!=2*20+2) return RAW_COUNT_ERROR;
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if(!ignoreHeader) {
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if (!MATCH(recvGlobal.decodeBuffer[1],600*4)) return HEADER_MARK_ERROR(600*4);
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}
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offset=2;//skip initial gap plus header Mark.
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while (offset < recvGlobal.decodeLength) {
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if (!MATCH(recvGlobal.decodeBuffer[offset],600)) return DATA_SPACE_ERROR(600);
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offset++;
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if (MATCH(recvGlobal.decodeBuffer[offset],600*2)) {
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value = (value << 1) | 1;
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}
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else if (MATCH(recvGlobal.decodeBuffer[offset],600)) {
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value <<= 1;
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}
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else return DATA_MARK_ERROR(600);
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offset++;
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}
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bits = (offset - 1) / 2;
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protocolNum = SONY;
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return true;
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}
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};
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#endif //IRLIBDECODEBASE_H
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#define IRLIB_HAVE_COMBO
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#endif //IRLIB_PROTOCOL_02_H
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