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https://github.com/DCC-EX/CommandStation-EX.git
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2ad0d7ab76
commit
8916d1415f
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@ -95,22 +95,21 @@ _count=prevCount+plength;
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return plength;
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}
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int RingStream::read(byte advance) {
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int RingStream::read() {
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if (_flashInsert) {
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// we are reading out of a flash string
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byte fb=GETFLASH(_flashInsert);
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_flashInsert+=advance;
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_flashInsert++;
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if (fb) return fb; // we have a byte from the flash
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// flash insert complete, clear and drop through to next buffer byte
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_flashInsert=NULL;
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}
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if ((_pos_read==_pos_write) && !_overflow) return -1; // empty
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byte b=readRawByte(advance);
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byte b=readRawByte();
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if (b!=FLASH_INSERT_MARKER) return b;
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// Detected a flash insert
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// read address bytes LSB first (size depends on CPU)
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if (advance == 0) readRawByte(); // read past it anyway
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uintptr_t iFlash=0;
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for (byte f=0; f<sizeof(iFlash); f++) {
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uintptr_t bf=readRawByte();
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@ -120,12 +119,12 @@ int RingStream::read(byte advance) {
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}
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_flashInsert=reinterpret_cast<char * >( iFlash);
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// and try again... so will read the first byte of the insert.
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return read(advance);
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return read();
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}
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byte RingStream::readRawByte(byte advance) {
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byte RingStream::readRawByte() {
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byte b=_buffer[_pos_read];
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_pos_read+=advance;
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_pos_read++;
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if (_pos_read==_len) _pos_read=0;
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_overflow=false;
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return b;
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@ -39,8 +39,7 @@ class RingStream : public Print {
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virtual int availableForWrite() override;
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using Print::write;
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size_t printFlash(const FSH * flashBuffer);
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inline int read() { return read(1); };
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inline int peek() { return read(0); };
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int read();
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int count();
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int freeSpace();
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void mark(uint8_t b);
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@ -48,9 +47,8 @@ class RingStream : public Print {
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uint8_t peekTargetMark();
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void flush();
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void info();
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byte readRawByte();
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private:
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int read(byte advance);
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byte readRawByte(byte advance=1);
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int _len;
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int _pos_write;
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int _pos_read;
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