main.c

周立功的EASYARM2131的测试程序

/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			main.c
** Last modified Date:  2004-09-16
** Last Version:		1.0
** Descriptions:		The main() function example template
**
**------------------------------------------------------------------------------------------------------
** Created by:			Chenmingji
** Created date:		2004-09-16
** Version:				1.0
** Descriptions:		The original version
**
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Descriptions:
**
********************************************************************************************************/
#include "config.h"
#define  LEDS8  0xFF<<18

const uint32 LED_TBL[]=
  {	0x00, 0xFF,				                         // 全部熄灭后，再全部点亮
	0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,	// 依次逐个点亮
	0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F, 0x7F, 0xFF,	// 依次逐个叠加
	0xFF, 0x7F, 0x3F, 0x1F, 0x0F, 0x07, 0x03, 0x01,	// 依次逐个递减
	0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81,	// 两个靠拢后分开
	0x81, 0xC3, 0xE7, 0xFF, 0xFF, 0xE7, 0xC3, 0x81	// 从两边叠加后递减
	};

void DelayNs(uint32 dly)
{
  uint32 i;
  for(;dly >0 ; dly--)
  {
  	for(i=0 ; i < 5000 ; i++) ;
  }
}

void __irq IRQ_Eint0()
{
  
  IO1CLR = 0xFFFFFFFF; 
  DelayNs(50);
  IO1SET = 0xFFFFFFFF;
  DelayNs(50);
 EXTINT = 0x01 ;
  /*	while ((EXTINT & 0x01) != 0)
	{
		EXTINT = 0x01;					// 惔彍EINT0拞抐?巙
	}*/
 // VICVectAddr = 0;
}

int main (void)
{// add user source code 
 // beep
 /* PINSEL0 = 0x00000000;
  IO0DIR = BEEP ;
  while(1)
  {
   IO0SET = BEEP;
   DelayNs(50);
   IO0CLR = BEEP;
   DelayNs(50);
  }*/
  
  //Led
  /*uint16 t;
  PINSEL2 = PINSEL2 & (~0x08) ;
  IO1DIR = BEEP ;
  while(1)
  {
   IO1SET = BEEP;
   t= 50 ;
   DelayNs(t);
   IO1CLR = BEEP;
   DelayNs(t);*/
   // 流水灯
   /*uint8 i;
   PINSEL2= PINSEL2&(~0x08);
   IO1DIR = LEDS8 ;
   while(1)
   {
    for(i=0;i<42;i++)
    {
     IO1SET = ~((LED_TBL[i])<<18);
     DelayNs(100);
     IO1CLR = ((LED_TBL[i])<<18);
     DelayNs(100);
     
    }
   }*/
   
   // 按键
   /*uint32 beep = 1<<7 ;
   uint32 key1 = 1<<16 ;
   PINSEL0 = 0;
   PINSEL1 = 0;
   IO0DIR = beep;
   while(1)
   {
    if((IO0PIN & key1)==0)
      IO0CLR = beep;
    else
      IO0SET = beep;  
   }*/
   
  // IOPIN演习
//  uint32 i;
 /* PINSEL2 = PINSEL2 & (~0x08);
  IO1DIR = LEDS8 ;
  while(1)
  {
  // IO1PIN = 0xAA << 18;
   IO1SET = 0xFFFFFFFF;
   IO1CLR = 0x55 << 18;
   DelayNs(100);
   IO1SET = 0xFFFFFFFF;
   IO1CLR = 0xAA << 18;
   DelayNs(100);
  }  
   */
  // EINT0
  EXTINT = 0x01 ;
  IRQEnable();	
  PINSEL1 = 0x00000001 ;
  PINSEL2 = PINSEL2 & (~0x08);
  IO1DIR = LEDS8 ;
  VICIntSelect = 0x00000000 ;
  VICVectCntl0 = 0x20 | 0x0e ;
  VICVectAddr0 = (uint32)IRQ_Eint0 ;
  EXTMODE = 0x01;
  EXTPOLAR = 0x00;
  VICIntEnable = 1<<0x0e ; 
  while(1) IO1SET = 0xFFFFFFFF;
    return 0;
}
/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/