eint.c

2410开发测试程序

/*****************************************
	NAME: eint.c
	DESC: External interrupt test
	HISTORY:
	2001.04.03:purnnamu: draft ver 0.0
 *****************************************/

#include <string.h>
#include "def.h"
#include "option.h"
#include "2410addr.h"
#include "2410lib.h"
#include "2410slib.h" 

static void __irq Eint0Int(void)
{
	ClearPending(BIT_EINT0);
	Uart_Printf("EINT0 interrupt is occurred.\n");
}

static void __irq Eint2Int(void)
{
	ClearPending(BIT_EINT2);
	Uart_Printf("EINT2 interrupt is occurred.\n");
}

static void __irq Eint11_19(void)
{
	if(rEINTPEND==(1<<11))
	{
		Uart_Printf("EINT11 interrupt is occurred.\n");
		rEINTPEND=(1<<11);
	}
	else if(rEINTPEND==(1<<19))
	{
		Uart_Printf("EINT19 interrupt is occurred.\n");
		rEINTPEND=(1<<19);
	}
	else
	{
		Uart_Printf("rEINTPEND=0x%x\n",rEINTPEND);
		rEINTPEND=(1<<19)|(1<<11);
	}
	ClearPending(BIT_EINT8_23);
}

// SMDK2410 EINT S/W
// EINT0/2/11/19
void Test_Eint(void)
{
//	int i;
	int extintMode;

	Uart_Printf("[External Interrupt Test through PF0/2/11/19]\n");

	Uart_Printf("1.L-LEVEL	2.H-LEVEL	3.F-EDGE	4.R-EDGE	5.B-EDGE\n");
	Uart_Printf("Select the external interrupt type.\n");
	extintMode=Uart_Getch();

	//extintMode='3';
	rGPFCON = (rGPFCON & 0xffcc)|(1<<5)|(1<<1);			//PF0/2 = EINT0/2
	rGPGCON = (rGPGCON & 0xff3fff3f)|(1<<23)|(1<<7);	//PG3/11 = EINT11/19
	
	switch(extintMode)
	{
		case '1':
			rEXTINT0 = (rEXTINT0 & ~((7<<8)	| (0x7<<0))) | 0x0<<8 | 0x0<<0; //EINT0/2=low level triggered
			rEXTINT1 = (rEXTINT1 & ~(7<<12)) | 0x0<<12; //EINT11=low level triggered
			rEXTINT2 = (rEXTINT2 & ~(7<<12)) | 0x0<<12; //EINT19=low level triggered
			break;
		case '2':
			rEXTINT0 = (rEXTINT0 & ~((7<<8)	| (0x7<<0))) | 0x1<<8 | 0x1<<0; //EINT0/2=high level triggered
			rEXTINT1 = (rEXTINT1 & ~(7<<12)) | 0x1<<12; //EINT11=high level triggered
			rEXTINT2 = (rEXTINT2 & ~(7<<12)) | 0x1<<12; //EINT19=high level triggered
			break;
		case '3':
			rEXTINT0 = (rEXTINT0 & ~((7<<8)	| (0x7<<0))) | 0x2<<8 | 0x2<<0; //EINT0/2=falling edge triggered
			rEXTINT1 = (rEXTINT1 & ~(7<<12)) | 0x2<<12; //EINT11=falling edge triggered
			rEXTINT2 = (rEXTINT2 & ~(7<<12)) | 0x2<<12; //EINT19=falling edge triggered
			break;
		case '4':
			rEXTINT0 = (rEXTINT0 & ~((7<<8)	| (0x7<<0))) | 0x4<<8 | 0x4<<0; //EINT0/2=rising edge triggered
			rEXTINT1 = (rEXTINT1 & ~(7<<12)) | 0x4<<12; //EINT11=rising edge triggered
			rEXTINT2 = (rEXTINT2 & ~(7<<12)) | 0x4<<12; //EINT19=rising edge triggered
			break;
		case '5':
			rEXTINT0 = (rEXTINT0 & ~((7<<8)	| (0x7<<0))) | 0x6<<8 | 0x6<<0; //EINT0/2=both edge triggered
			rEXTINT1 = (rEXTINT1 & ~(7<<12)) | 0x6<<12; //EINT11=both edge triggered
			rEXTINT2 = (rEXTINT2 & ~(7<<12)) | 0x6<<12; //EINT19=both edge triggered
			break;
		default:
			break;
	}

	Uart_Printf("Press the EINT0/2/11/19 buttons or Press any key to exit.\n");

	pISR_EINT0=(U32)Eint0Int;
	pISR_EINT2=(U32)Eint2Int;
	pISR_EINT8_23=(U32)Eint11_19;

	rEINTPEND = 0xffffff;
	rSRCPND = BIT_EINT0|BIT_EINT2|BIT_EINT8_23; //to clear the previous pending states
	rINTPND = BIT_EINT0|BIT_EINT2|BIT_EINT8_23;
	
	rEINTMASK=~( (1<<11)|(1<<19) );
	rINTMSK=~(BIT_EINT0|BIT_EINT2|BIT_EINT8_23);
	
	Uart_Getch();
	
	rEINTMASK=0xffffff;
	rINTMSK=BIT_ALLMSK;
}