main.c

关于DMA通道编程 学习用软件控制硬件

#include <stdlib.h>
#include <string.h>
#include "def.h"
#include "option.h"
#include "2440addr.h"
#include "2440lib.h"
#include "2440slib.h"


extern void Test_DMA(void);
void Main(void)
{
    U8 idx;
     
	Port_Init();
	Uart_Init( 0,115200 );
	Uart_Select(0);
	
	Beep(2000, 100);
	
  while(1)
  {	
    Uart_Printf("test menu \n");
    
    Uart_Printf("1: test DMA\n");
    Uart_Printf("0: exit \n");
    
   
		
	Uart_Printf("\nPlease select function : \n");	
	idx = Uart_GetIntNum_GJ(); 
	
	 if (idx == 0)
	   break;  
	   
	switch(idx)
	{
	 case 1: //exit test
	     Test_DMA();
	     break;
	 default:
	     break;
	}
	if((idx == 1) ||(idx==2))
	{
	   
	   Uart_Printf("Test End,Press any key continue\n");
	   Uart_Getch();
	}   
	else if (idx == 0)
	   break;    
	
	}
	
	Uart_Printf("\nExit test\n");
	
  
  }