main.c

ARM9 的head。BOOTLOAD和串口IO的部分 if.q if

#include "IOSerial.h"
#include "2410addr.h"
#include "interrupt.h"

__irq void eint2_isr(void);
__irq void eint3_isr(void);

int dither_count2 = 0;
int dither_count3 = 0;

int Main()
{
	//Uart_Init(0,115200);
	Uart_Select(0);
	Isr_Init();
	
	//*(volatile unsigned *)0x50000020='a';
	//WrUTXH0('v');
	//Irq_Enable(IRQ_EINT1);
	//Irq_Enable(IRQ_EINT2);
	//Irq_Enable(IRQ_EINT3);
	//while(1)
	//{
	PRINTF("ifqifqifq");
	PRINTF("\n---外部中断测试程序---\n");
	PRINTF("\n请将UART0与PC串口进行连接，然后启动超级终端程序(115200, 8, N, 1)\n");
	PRINTF("\n外部中断测试开始\n");
	
	Irq_Request(IRQ_EINT1,(void*) eint2_isr);
	Irq_Request(IRQ_EINT0, (void*) eint3_isr);
	
	rGPFCON=0x200a;		//设置GPF为中断。
    /* 使能中断 */
    rSRCPND		= 0xffffffff;
    rINTPND		= 0xffffffff;
    Enable_Irq_Cpsr();
    
    Irq_Enable(IRQ_EINT1);
    Irq_Enable(IRQ_EINT0);
    
    
    
    dither_count2 = 0;
    dither_count3 = 0;
    while(1)
    {
    	Delay(10);
    	dither_count2++;
    	dither_count3++;
    }
	//	Delay(10);
	//}
	Disable_Irq_Cpsr();
	return 1;
}

__irq void eint2_isr(void)
{
	
    /*if(dither_count2 > 5) 
    {
	   	dither_count2 = 0;
	
		//Led_Display(nLed);

		nLed = (nLed ^ 0x01);
	}*/
	PRINTF("1_*");
	Irq_Clear(IRQ_EINT1);         

}
__irq void eint3_isr(void)
{
	Irq_Clear(IRQ_EINT0);        

   /* if(dither_count3 > 5) 
    {
	   	dither_count3 = 0;
	
		//Led_Display(nLed);

		nLed = (nLed ^ 0x02);
	}*/
	PRINTF("0_*");
}