timer.c

C51源码.其内文件包含spi

/*
void  Distime1()
{
	byte i;
//	if(time_buff[0]==DisTimeFlag)	return;
//	else							DisTimeFlag=time_buff[0];

	for(i=0;i<=9;i++)
		disb8(0x30+i*8,7,str_time[i],0);

	for(i=11;i<19;i++)
		disb8(0x40+(i-11)*8,0,str_time[i],0);
}
  */


/*
void Ds1307(opt, uchar word_addr, uchar num, uchar *buf)
{
    uchar i;
	uchar device_addr;

	switch(opt)
	{
	case WR_OPT:
		device_addr = 0xd0;
	    I2CStart();
		I2CSendByte(device_addr);
		WaitAck();

		I2CSendByte(word_addr);
		WaitAck();

		for (i = 0; i < num; i++)
		{
			I2CSendByte(buf[i]);
			WaitAck();
		}

		I2CStop();
		break;

	case RD_OPT:
		//set the begin address
		device_addr = 0xd0;
		I2CStart();
	    I2CSendByte(device_addr);
	    WaitAck();
	    I2CSendByte(word_addr);
		WaitAck();
		I2CStop();

		device_addr = 0xd1;
	    I2CStart();
	    I2CSendByte(device_addr);
	    WaitAck();

	    for (i = 0; i < num; i++)
		{
			buf[i] = I2CReceiveByte();
			if (i != num - 1)
			SendAck();//除最后一个字节外，其他都要从MASTER发应答。
		}

		SendNotAck();
		I2CStop();
		break;
	}
}
*/