All pastes #2094741 Raw Edit

dotmatrixSetData

public c v1 · immutable
#2094741 ·published 2011-11-23 09:12 UTC
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void dotmatrixSetData(uint8_t Data){	/* Which ledmodule */	uint8_t module = GrLcdState.lcdXAddr%8;	/* Which column in ledmodule */	uint8_t column = GrLcdState.lcdXAddr>>3;	/* Which row */	uint8_t row = GrLcdState.lcdYAddr;		/* Repeat for each row */	for (uint8_t i=0; i<8; i++)	{		/* Check panel size */		if ((row+i < dotmatrixSIZEY) && (module < dotmatrixSIZEX/8))		{			/* Shift one bit */			Data = Data>>1;			/* Mask bit */			uint8_t databit = Data&0x1;			if (databit==0)			{				/* Clear bit */				dotmatrixFramebuf[row+i][module] &= ~(databit<<column);			}			else			{				/* Set bit */				dotmatrixFramebuf[row+i][module] |= (databit<<column);			}		}	}}