led.c

一个数码管与NTC的应用实例

#include"LED.h"
bank1  unsigned char Display_addr[24]={	0x04,0x03,0x02,0x01,0x08,0x07,0x06,0x05,
										0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,
										0x14,0x13,0x12,0x11,0x18,0x17,0x16,0x15
										};
bank1 unsigned char Display_data[24];/*={   0,0,1,0xf2,0x66,0xb6,0xbe,0xe0,
									    0xfe,0xf6,0xf1,0xbe,0xbe,0xf1,0x0,
										0,0,0,0,0,0,0,0};*/
//bank1  unsigned char Time_data[10]=	{0xfc,0x60,0xda,0xf2,    0x66,0xb6,0xbe,0xe0,
//									 0xfe,0xf6};
bank1  unsigned char Time_data[10]=	{0xfc,0x60,0xb6,0xf2,    0x6a,0xda,0xde,0x70,
									 0xfe,0xfa};
bank1  unsigned char Temp_data[11]=	{0xfc,0x60,0xb6,0xf2,    0x6a,0xda,0xde,0x70,
									 0xfe,0xfa,0x9d};
unsigned char Display_turn;
unsigned char Beep,Flash_Flag,Flash=0,Flash_turn,Flash_Counter;

void Display(void)
{
	unsigned char data,i;
	if((Flash)&&(Display_turn==Flash_turn))
	{
		data=Display_data[Display_turn]&Flash_Flag;
	}
	else
	{
		data=Display_data[Display_turn];	
	}
	for(i=8;i>0;i--)
	{		
		YWCP=0;
		if(data&0x80)
			DS=1;
		else
			DS=0;
		data=data<<1;
		YWCP=1;		
	}
	data=Display_addr[Display_turn];
	if(Beep==1)
	{


			for(i=24;i>data;i--)
			{
				YWCP=0;
				if(i==0x10)
				{
					DS=0;
				}
				else
				{
					DS=1;
				}
				YWCP=1;
			}
			YWCP=0;
			DS=0;
			YWCP=1;
			for(i=data-1;i>0;i--)
			{
				YWCP=0;
				if(i==0x10)
				{
					DS=0;
				}
				else
				{
					DS=1;
				}
				YWCP=1;
			}

	}
	else
	{
		for(i=24;i>data;i--)
		{
			YWCP=0;
			DS=1;
			YWCP=1;
		}
		YWCP=0;
		DS=0;
		YWCP=1;
		for(i=data-1;i>0;i--)
		{
			YWCP=0;
			DS=1;
			YWCP=1;
		}
	}
	
	SCCP=0;
	SCCP=1;
	if(Display_turn>=22)
	{
		Display_turn=0;
	}
	else
	{
		Display_turn++;
		if(Flash_Counter>=255)
		{
			Flash_Counter=0;
			Flash_Flag=~Flash_Flag;
		}
		else
		{
			Flash_Counter++;
		}
	}
}