2430tc77.c

CC2430 带TC77源程序 方便移殖到任意单片机使用

void intTemperatureIO(void)
{
	wxl_IO_DIR_PORT_PIN1(1, 4, IO_OUT);//CS_TC77
	wxl_IO_DIR_PORT_PIN1(1, 5, IO_OUT);//SCK
	wxl_IO_DIR_PORT_PIN1(1, 6, IO_IN);//MISO
	CS_TC77 = 1;
}


INT8U ReadTc77(void)
{
	unsigned int temp=0;
	INT8U i;
	
	SCK = 0;
	CS_TC77 = 0;
	
	for(i=0; i<16; i++)
	{
		temp <<= 1;
		SCK = 1;
		asm("nop");
		if(MISO)temp++;
		SCK = 0;
		asm("nop");
	}
	CS_TC77 = 1;
        i = temp >> 7;
	return i;
}