pt6523.c

汽车音响lcd显示 #include "pt6524.c" #include "pt6578.c"

#define LCD_ADDR			0x41
void display_buff(BYTE *thisBuff)
{
	BYTE addr=LCD_ADDR; 
	Clr_SS();//cbi(SPI_PORT,SPI_CS);//先发地址,拉低SS
	spi_send_buff(&addr,1);//发送一个字节到总线
	thisBuff[DISP_BUFF_SIZE-1] &= 0x0F;//最高的四位是控制位,or 0x20
	thisBuff[DISP_BUFF_SIZE-1] |= 0x10;

	Set_SS();//sbi(SPI_PORT,SPI_CS);//发送数据时拉高SS
	spi_send_buff(thisBuff,DISP_BUFF_SIZE); //发送显示数据
	Clr_SS();//cbi(SPI_PORT,SPI_CS); //发送完毕
}
void disp_set_bit(BYTE *thisBuff,BYTE bitIndex,BYTE value)
{
	if(value)
		thisBuff[bitIndex/8] |= (1<<(bitIndex%8));
	else
		thisBuff[bitIndex/8] &= ~(1<<(bitIndex%8));	
}