jianpan.c

2410一些基本试验的源码

#include "2410addr.h"
#include "2410lib.h"
#include "timer.h"

void __irq keyscan()
{	
	Delay(1000);
	if(rINTPND==BIT_EINT8_23)
	{	
		 Uart_Printf("coming into the 8_23 \n");
	     ClearPending(BIT_EINT8_23); //clear EINT8_23 in INTPND and SRCPND
		 //if((rEINTPEND&(1<<11))&((rGPEDAT&(1<<11))))
		 if((rEINTPEND&(1<<11)))
		{
		    if((rGPEDAT&(1<<11))==0)
		    {
				Uart_Printf("The  key is 4\n");
				rEINTPEND |= 1<< 11; //clear EINT11 in EINTPND
				Delay(900);
				ClearPending(BIT_EINT8_23); //clear EINT8_23 in INTPND and SRCPND
			}
			
			 if((rGPGDAT&(1<<6))==0)
			{
				Uart_Printf("The  key is 5\n");
				rEINTPEND |= 1<< 11; //clear EINT11 in EINTPND
				Delay(900);
				ClearPending(BIT_EINT8_23); //clear EINT8_23 in INTPND and SRCPND
			}
			
			 if((rGPEDAT&(1<<13))==0)
			{
				Uart_Printf("The  key is 6\n");
				rEINTPEND |= 1<< 11; //clear EINT11 in EINTPND
				Delay(900);
				ClearPending(BIT_EINT8_23); //clear EINT8_23 in INTPND and SRCPND
			}
			
			 if((rGPGDAT&(1<<2))==0)
			{
				Uart_Printf("The  key is 14\n");
				rEINTPEND |= 1<< 11; //clear EINT11 in EINTPND
				Delay(900);
				ClearPending(BIT_EINT8_23); //clear EINT8_23 in INTPND and SRCPND
			}
		}
	}
//////////////////////////////////////////////////////////////////////////////////		
		if(rEINTPEND&(1<<19))
		{	
			if((rGPEDAT&(1<<11))==0)
			{
				Uart_Printf("The  KEY is 1\n");
				rEINTPEND |= 1<<19; //clear EINT19 in EINTPND
				Delay(900);
				ClearPending(BIT_EINT8_23); //clear EINT8_23 in INTPND and SRCPND
			}
			
			if((rGPGDAT&(1<<6))==0)
			{	
				Uart_Printf("The  KEY is 2\n");
				rEINTPEND |= 1<<19; //clear EINT19 in EINTPND
				Delay(900);
				ClearPending(BIT_EINT8_23); //clear EINT8_23 in INTPND and SRCPND
			}
			
			if((rGPEDAT&(1<<13))==0)
			{	
				Uart_Printf("The  KEY is 3\n");
				rEINTPEND |= 1<<19; //clear EINT19 in EINTPND
				Delay(900);
				ClearPending(BIT_EINT8_23); //clear EINT8_23 in INTPND and SRCPND
			}
			
			if((rGPGDAT&(1<<2))==0)
			{	
				Uart_Printf("The  KEY is 13\n");
				rEINTPEND |= 1<<19; //clear EINT19 in EINTPND
				Delay(900);
				ClearPending(BIT_EINT8_23); //clear EINT8_23 in INTPND and SRCPND
			}
		}
//////////////////////////////////////////////////////////////////////////////////////////
	
	else if(rINTPND==BIT_EINT0)
	{	
		Uart_Printf("coming into the EIT0 \n");
		ClearPending(BIT_EINT0); //clear EINT0 in INTPND and SRCPND
		//if((rGPEDAT&(1<<11))==0)
		if((rGPEDAT&(1<<11))==0)
		{   
			Uart_Printf("The  KEY is 10\n");
			Delay(900);
		}
		else if((rGPGDAT&(1<<6))==0)
		{
			Uart_Printf("The  KEY is 11\n");
			Delay(900);
		}
		else if((rGPEDAT&(1<<13))==0)
		{
			Uart_Printf("The  KEY is 12\n");
			Delay(900);
		}
		else if((rGPGDAT&(1<<2))==0)
		{
			Uart_Printf("The  KEY is 16\n");
			Delay(900);
		}
		
	}
/////////////////////////////////////////////////////////////	
	else if(rINTPND==BIT_EINT2)
	{	
		Uart_Printf("coming into the EIT2 \n");
		ClearPending(BIT_EINT2); //clear EINT2 in INTPND and SRCPND
		if((rGPEDAT&(1<<11))==0)
		{ 
		    Uart_Printf("The  KEY is 7\n");
			Delay(900);
			
		}
		if((rGPGDAT&(1<<6))==0)
		{
			
			Uart_Printf("The  KEY is 8\n");
			Delay(900);
		}
		if((rGPEDAT&(1<<13))==0)
		{
		   
			Uart_Printf("The  KEY is 9\n");
			 Delay(900);
		}
		if((rGPGDAT&(1<<2))==0)
		{
		   
			Uart_Printf("The  KEY is 15\n");
			Delay(900);
		}
		
    }
////////////////////////////////////////////////////////////////////////////   
}
void ent_int()
{
	rEXTINT0 = (rEXTINT0 & ~(7<<0))|(2<<0); //EINT0 －>falling edge triggered
	rEXTINT0 = (rEXTINT0 & ~(7<<8))|(2<<8); //EINT2 －>falling edge triggered
	rEXTINT1 = (rEXTINT1 & ~(7<<12))|(0x2<<12); //EINT11－>falling edge triggered
	rEXTINT2 = (rEXTINT2 & ~(7<<12))|(0x2<<12); //EINT19－>falling edge triggered
	
	rEINTPEND = 0xffffff; //to clear the previous pending states
	//rSRCPND |= BIT_EINT0|BIT_EINT2|BIT_EINT8_23;//
	//rINTPND |= BIT_EINT0|BIT_EINT2|BIT_EINT8_23;
	rEINTMASK=~( (1<<11)|(1<<19) );
	rINTMSK=~(BIT_EINT0|BIT_EINT2|BIT_EINT8_23);
}

int Main()
{	
	SetClockDivider(1, 1);//FLCK:HCLK:PCLK=1:2:4
	SetSysFclk(DFT_FCLK_VAL);//Fout=200MHZ
	Port_Init();
		
	Uart_Select(0);
	Uart_Init(0, UART_BAUD);
	Uart_Printf("Please push the key\n");
	
	rGPECON = (rGPECON|(3<<22)) & ~(2<<22);
	rGPEUP |= (1<<11);//KEYSCAN0 pull up
	
	rGPECON = (rGPECON|(3<<26)) & ~(2<<26);
	rGPEUP |= (1<<13);//KEYSCAN1 pull up
	
	rGPGCON = (rGPGCON|(3<<12)) & ~(2<<12);
	rGPGUP |= (1<<6);//KEYSCAN2 pull up
	
	rGPGCON = (rGPGCON|(3<<4)) & ~(2<<4);
	rGPGUP |= (1<<2);//KEYSCAN3 pull up
	
	rGPFCON = rGPFCON & ~(3)|(1<<1); //GPF0 设置为EINT0
	rGPFCON = rGPFCON & ~(3<<4)|(1<<5); //GPF2 设置为EINT2
	rGPGCON = rGPGCON & ~(3<<6)|(1<<7); //GPG3 设置为EINT11
	rGPGCON = rGPGCON & ~(3<<22)|(1<<23); //GPG11 设置为EINT19
	
	rGPFUP|=(1<<0); //disable GPF0 pull up
	rGPFUP|=(1<<2); //disable GPF2 pull up
	rGPGUP|=(1<<3); //disable GPG3 pull up
	rGPGUP|=(1<<11); //disable GPG11 pull up
	
	ent_int();
	
	pISR_EINT0=(unsigned)keyscan;
	pISR_EINT2=(unsigned)keyscan;
	pISR_EINT8_23=(unsigned)keyscan;
	
	while(1)
	{
		rGPGDAT|=(1<<2)|(1<<6);
	    rGPEDAT|=(1<<11)|(1<<13);
	    
		rGPGDAT=(rGPGDAT&(0<<2))|(1<<6);
		Delay(50);
		rGPGDAT|=(1<<2)|(1<<6);
	    rGPEDAT|=(1<<11)|(1<<13);
	    
	    rGPGDAT=rGPGDAT&(0<<6)|(1<<2);
	    Delay(50);
	    rGPGDAT|=(1<<2)|(1<<6);
	    rGPEDAT|=(1<<11)|(1<<13);
	
	    rGPEDAT=rGPEDAT&(0<<11)|(1<<13);
	    Delay(50);
	    rGPGDAT|=(1<<2)|(1<<6);
	    rGPEDAT|=(1<<11)|(1<<13);
	    
	    rGPEDAT=rGPGDAT&(0<<13)|(1<<11);
	    Delay(50);;  
	}
}