Example #1
0
void led()
{
	uchar i;
	beep();	
	P2=0xfe;
	for(i=0;i<4;i++)
	{
		if(i)
		P2=_crol_(P2,2);
		delay(1000);
	}
	P2=0xfd;
	for(i=0;i<4;i++)
	{
		if(i)
		P2=_crol_(P2,2);
		delay(1000);
	}
	i=3;
	while(i--)
	{
		P2=0x00; delay(1000);
		P2=0xff; delay(1000);
	}
}
Example #2
0
File: test.c Project: hnulong/C51
void main()
{
	temp1=0xfe;
	temp2=0x7f;
	//间隔300ms先奇数亮再偶数亮,循环三次
	for(m=0;m<3;m++)
	{
		P1=0xAA;
		delay1();
		P1=0x55;
		delay1();
	}
	//一个灯上下循环三次
	for(m=0;m<3;m++)
	{
		for(n=0;n<8;n++)
		{
			P1=temp1;
			temp1= _crol_(temp1,1);
			delay1();
		}
		for(n=0;n<8;n++)
		{
			P1=temp2;
			temp2= _cror_(temp2,1);
			delay1();
		}
	}
	//两个分别从两边往中间流动三次,再从中间往两边流动三次
	for(m=0;m<3;m++)
	{
		for(n=0;n<4;n++)
		{
			P1=temp1&temp2;
			temp1= _crol_(temp1,1);
			temp2= _cror_(temp2,1);
			delay1();
		}
		for(n=0;n<4;n++)
		{
			P1=temp1&temp2;
			temp1= _crol_(temp1,1);
			temp2= _cror_(temp2,1);
			delay1();
		}
	}
	//8个全部闪烁3次
	for(m=0;m<3;m++)
	{
		P1=0x00;
		delay1();
		P1=0xff;
		delay1();
	}
	//关闭发光管
	P1=0xff;
	delay1();
}
Example #3
0
// sends the nbits least significant bits in big-endian order, e.g. sendConfigBits(0xfe,3) sends 110 from 1111 1110
void sendConfigBits(unsigned char b,unsigned char nbits){
	unsigned char i=nbits; // send this many
	b=_crol_(b,8-nbits); // rotate to get msb of data to send in msb of b. if nbits=8 doesn't change b, if nbits=7, rotates left by 1
	while(nbits--){
		b=_crol_(b,1); // get the next bit in lsb
		if(b&1!=0){
			bitIn=1;
		}else{
			bitIn=0;
		}
		clockOnce();
	}
}
Example #4
0
void main (void)
{
	while(1)
	{
		aa=0xfe;
		// left flashing part
		for (i=0; i<7; i++)
		{
			P1=aa;
			beep=0;
			aa=_crol_(aa, 1);   // left LIB function
			delayms(100);
			P1=0xff;
			beep=1;
			delayms(200);
		}
		aa=0x7f;
		// right flashing part
		for (i=0; i<7; i++)
		{
			P1=aa;
			beep=0;
			aa=_cror_(aa, 1);
			delayms(100);
			P1=0xff;
			beep=1;
			delayms(200);
		}
	}
}
Example #5
0
/*------------------------------------------------
                    主程序
------------------------------------------------*/
main()
{
 	LED=0XFE;
	Init_Timer0();
	while(1)
	{					 
		if(i==500)
		{			 
			if(KeyValue)
			{
				
					LED=_cror_(LED,1);									    
					i=0;
												   
			}
			else 
			{
				
				LED=_crol_(LED,1);
				
				i=0;
				 
			}
			
		}

			
	}
}		
Example #6
0
void decode_key()
{
   uchar k;
   P1 = 0x0F;l9=1;//低位置○,准备查询按键
   k  = P1;       //取得当前P1口的状态
  
   if(k != 0x0F)
   {//如果有变化则表示有键按下
     k = 0xef;
   do{//循环扫描每一行
     P1 = k;
     if(k != P1)
     {
     switch(P1)
       {
      //第一行
      case 0x77:{keykeep=KEY_OK;break;}
      case 0xb7:{keykeep=KEY_CE;break;}
      case 0xd7:{keykeep=KEY_NUM0;break;}
      case 0xe7:{keykeep=KEY_DOT;break;}
      //第二行
      case 0x7b:{keykeep=KEY_DN;break;}
      case 0xbb:{keykeep=KEY_NUM3;break;}
      case 0xdb:{keykeep=KEY_NUM2;break;}
      case 0xeb:{keykeep=KEY_NUM1;break;}
      //第三行
      case 0x7d:{keykeep=KEY_UP;break;}
      case 0xbd:{keykeep=KEY_NUM6;break;}
      case 0xdd:{keykeep=KEY_NUM5;break;}
      case 0xed:{keykeep=KEY_NUM4;break;}
      //第四行
      case 0x7e:{keykeep=KEY_TAB;break;}
      case 0xbe:{keykeep=KEY_NUM9;break;}
      case 0xde:{keykeep=KEY_NUM8;break;}
      case 0xee:{keykeep=KEY_NUM7;break;}
      default:

	   break;
       }
      } 
     k = _crol_(k,1);//移位,进入下一行扫描
    }while(k !=0xef);//超过范围退出    
  }

 P1 = 0xff;l9=0;  //第五列如下
   k = P1;
  if(k != 0xff)
     {
     switch(P1)
        {          //第五行
        case 0xf7:{keykeep=KEY_BTN4; break;}
        case 0xfb:{keykeep=KEY_BTN3;break;}
        case 0xfd:{keykeep=KEY_BTN2; break;}
        case 0xfe:{keykeep=KEY_BTN1;break;}
	    default:
	    break;
	    }	
	  }   
    P1 = 0x0f;l9=0;	 
 }  
Example #7
0
void led_flash(void)
{
    uint8_t led = 0xFE;
    while(1) {
        LED = led;
        sys_delay_1s(1);
        led = _crol_(led , 1);
    }
}
Example #8
0
void proc_key(unsigned char key_v)
{
	if((key_v & 0x01) == 0)
	{
		P2 = _cror_(P2,1);
	}
	else if((key_v & 0x02) == 0)
	{
		P2 = _crol_(P2, 1);
	}
}
Example #9
0
//sends byte dat in big endian order out the DAC bit and clock outputs.  
// must leave clock low at end so that clock can be taken high *after* sync is taken high after all bytes clocked in
void sendDACByte(unsigned char b){
	unsigned char i=8;
	while(i--){
		dacClock=1;
		b=_crol_(b,1); // rotate left to get msb to lsb
		if(b&1){
			dacBitIn=1;
		}else{
			dacBitIn=0;
	   	}
		dacClock=0; // clk edge low while data stable
	}
}
Example #10
0
// sends the byte out the 'spi' interface to the cochlea in big-endian order (msb first)
// - replaces assembly routine to use bit defines for clock and bitIn and C code
void sendConfigByte(unsigned char b){
	unsigned char i=8;
	while(i--){ // goes till i==0
		// rotate left to get msb, test bit to set bitin, then toggle clock high/low
		b=_crol_(b,1);
		if(b&1!=0){
			bitIn=1;
		}else{
			bitIn=0;
		}
		clockOnce(); 
	}
}
Example #11
0
void write_spi_con(unsigned char A1, unsigned char value)
	{
		static unsigned char t;	
		t = 0;  

		t = _crol_(A1,1);
		while (command != NU);
		cs_con = 0;

		CSCON = 0;
		command = WR1;
		SPI0DAT = t;
		A2 = value;
		while (command != NU);
		CSCON = 1;

	}
Example #12
0
void segscan()
{
	uchar i;
	uint t=200;
	beep();	
	while(t--)
	{
		i=5;
		P1=0xef;
		while(i--)
		{
		P0=tableca[i];
		if(i-4!=0)
		P1=_crol_(P1,1);
		delay(5);
		P0=0xff;
		}
	}
}
Example #13
0
void main()
{	
	int temp;
	int led_count;
	while(1)
	{
		P0=0xfe;	//P0^0输出低电平
		temp = P0;
		for(led_count=7;led_count>=0;led_count--)
		{
			delay_on(255);
//			temp = temp<<1;
//			temp += 1;
//			P0 = temp;
		temp = _crol_(temp, 1);		// _crol_将temp循环左移1位,无需像上面再加1
		P0 = temp;
		}
	}	
}
Example #14
0
File: test.c Project: hnulong/C51
void main()
{
	EA=1;
	ET1=1;
	TMOD=0x10;
	TH1=(65535-50000)>>8;
	TL1=(65535-50000)%256;
	TR1=1;
	
	temp=0xfe;
	while(1)
	{
		if(num==2)
		{
			num=0;
			P1=temp;
			temp= _crol_(temp,1);
		}
	}
}
Example #15
0
unsigned char read_spi_con(unsigned char A1)
	{
			static unsigned char t;

			t = 0;	
			t = _crol_(A1,1);
			t |= 0x40;
			command = RD;
		    cs_con = 0;

			CSCON = 0;
			SPI0DAT = t;
			while (command != NU);
			command = RD;
			SPI0DAT = 0x00;
				//A3 =  SPI0DAT;
				while (command != NU);
			A3 =  SPI0DAT;
		   	CSCON = 1;
		return (A3);
	}
Example #16
0
/********************************************************************
* 名称 : Main()
* 功能 : 实现灯的闪烁
* 输入 : 无
* 输出 : 无
* 说明 :也可以使用例1的的方法来关闭数码管
***********************************************************************/
void Main(void)
{
	uchar i;
	P2 = 0x00;
	while(1)
	{
		P0 = 0x7f;					//P0.7亮亮
		for(i=0; i<7; i++)			//移位7次
		{
			P0 = _cror_(P0, 1);		//_crol_()这个函数在intrins.h中定义了,用于循环右移
			Delay(15);
		}
		P0 = 0xfe;
		for(i=0; i<7; i++)
		{
			P0 = _crol_(P0, 1);	    //用于循环左移
			Delay(15);
		}

	}
}
Example #17
0
void flow(int t,unsigned char way)
{
	unsigned char temp,i;
	if(way==1)
	{
		temp=0xfe;
		for(i=0;i<8;i++)
		{
			P2=temp;
			temp=_crol_(temp,1);
			delay(t);
		}
	}
	if(way==2)
	{
		temp=0x7f;
		for(i=0;i<8;i++)
		{
			P2=temp;
			temp=_cror_(temp,1);
			delay(t);
		}
	}
}
Example #18
0
File: test.c Project: hnulong/C51
void main()
{
	
	init();
	m=count=0;
	duan=1;
	P0=0x3f;
	duan=0;
	wei=1;
	P0=0xfe;
	wei=0;
	
	sum=433;
	flag=sec=shi=ge=0;
	while(1)
	{
		if(num1==10&&m<7)
		{
			num1=0;
			if(sum>398)
			{
				sum--;
			}
			else
			{
				flag=1;
			}
			sec=sum/100;
			shi=(sum%100)/10;
			ge=sum%10;
			//注意数码管显示函数放的位置
		}
		//display(sec,shi,ge);
		if(num0==50&&m<7)
		{
			num0=0;
			if(flag!=1)
			{
				P1=_crol_(0xfe,count);
				count++;
				count=count%8;
			}
			else
			{
					m++;
			}		
			
		}
		if(m>6)
		{
			P1=0xff;
			display1();
		}
		else
		{
			if(m%2==1)
				P1=0x00;
			else
				P1=0xff;
		display(sec,shi,ge);
		}
	//	display(count,shi,ge);
	}
}