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#define OUTPUT  0
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#define OUTPUT  0
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#define INPUT   1
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#define INPUT   1
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volatile GrLcdStateType GrLcdState;
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volatile GrLcdStateType GrLcdState;
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uint8_t dotmatrixFramebuf[8][4];
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uint8_t dotmatrixFramebuf[dotmatrixSIZEY][dotmatrixSIZEX/8];
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uint8_t dotmatrixRowCounter=0;
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uint8_t dotmatrixRowCounter=0;
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uint16_t dotmatrixBrightness=0;
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uint16_t dotmatrixBrightness=0;
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/* Write a byte on SPI */
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/* Write a byte on SPI */
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void dotmatrixSPIWrite(uint8_t data) {
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void dotmatrixSPIWrite(uint8_t data) {
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uint8_t dotmatrixGetColor(void){
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uint8_t dotmatrixGetColor(void){
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  return GrLcdState.color;
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  return GrLcdState.color;
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}
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}
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/* Sets data into framebuffer, data arrives in a byte as a column and needs to be shifted into the framebuffer */
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void dotmatrixSetData(uint8_t Data)
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void dotmatrixSetData(uint8_t Data)
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{
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{
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    /* Which ledmodule */
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    uint8_t module = GrLcdState.lcdXAddr%8;
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    /* Which column in ledmodule */
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    uint8_t column = GrLcdState.lcdXAddr>>3;
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    /* Which row */
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    uint8_t row = GrLcdState.lcdYAddr;
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    /* Repeat for each row */
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    for (uint8_t i=0; i<8; i++)
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    {
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        /* Check panel size */
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        if ((row+i < dotmatrixSIZEY) && (module < dotmatrixSIZEX/8))
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        {
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            /* Shift one bit */
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            Data = Data>>1;
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            /* Mask bit */
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            uint8_t databit = Data&0x1;
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            if (databit==0)
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            {
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                /* Clear bit */
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                dotmatrixFramebuf[row+i][module] &= ~(databit<<column);
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            }
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            else
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            {
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                /* Set bit */
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//  dotmatrixFramebuf[8][4]
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                dotmatrixFramebuf[row+i][module] |= (databit<<column);
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            }
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        }
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    }
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}
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}
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uint8_t dotmatrixGetData(void){
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uint8_t dotmatrixGetData(void){
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    uint8_t input = 0;
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    uint8_t input = 0;
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