main.c

这个是我自己开发制作的CH452开发板的资料

/**********************************************************************
*CopyRight(c)2007,北京超思电子有限公司
*All rights reserved.
*
*文件名称:CH452.c
*文件内容:MD2000A, LED驱动CH452函数
*作者    :
*版本    :1.0
*完成日期:2007.05.17
*最后修改:2007.05.17
**********************************************************************/
#include "iom48.h"
#include "inavr.h"
#include "CH452.h"
#include "stdio.h"
//#include "macros.h"		//	常用的宏定义



extern void CH452_init(void);
extern void CH452_WR(unsigned char cmd1 ,unsigned char Param,unsigned char num );
extern unsigned char CH452_RD(unsigned char cmd );
extern __flash char LED_Tab[];
extern void LED_init(void);
extern void KEY_LED_test(void);
extern void USART0_TX(unsigned char data);
extern void USART0_Init(); 

volatile unsigned char bKeyBoard ;             //当前键盘



//键盘接收中断
#pragma vector=INT1_vect
__interrupt  void INT1_vect_Proc()
{

       bKeyBoard = CH452_RD( CMD_READ_KEY );
       bKeyBoard = CH452_RD( CMD_READ_KEY );
      
}
unsigned char counter = 0;
unsigned char i[16];
#pragma vector=USART_RX_vect
__interrupt void UartRxInterrupt()
{
	
	i[counter++] = UDR0;
	if(counter == 16)
	{
	  counter = 0;
	}	
}



unsigned char k;
void delay_1ms(void)        //1ms延时函数 
{   
    __delay_cycles(8000);  // 16-bit count，4 cycles/loop  
}
void delay_nms(unsigned int n)       //N ms延时函数 
   { 
      unsigned int i=0; 
      for (i=0;i<n;i++) 
      delay_1ms(); 
     } 


__C_task void main(void)
{
    

      __disable_interrupt();
      USART0_Init();
      CH452_init();
      LED_init();
      __enable_interrupt();  
    while(1)
    {     
      KEY_LED_test();
      delay_nms(200);
    };
}