mian.c

en25b16 flash驱动

#define SYSTEM_CLOCK 8000000
#include<def_AVR_IAR.h>
#include"EN25B16_driver.h"

unsigned char temp[32]={1,2,3,4,5,6,7,8,9,0,9,8,7,6,5,4,3,2,1,0};
unsigned char temp2[32]={0};
void USART_Init(void )
{
  unsigned int baud;
  /* 设置波特率*/
  baud=51;
  UBRR0H = (unsigned char)(baud>>8);
  UBRR0L = (unsigned char)baud;
  /* 接收器与发送器使能*/

  UCSR0B = (1<<3)|(1<<4);
  /*设置帧格式: 8个数据位, 1个停止位 */
 
}


 void USART_Transmit( unsigned char data )
{
  /*等待发送缓冲器为空*/
 
  while ( !( UCSR0A & (1<<5)) );//UDREn

  /* 将数据放入缓冲器，发送数据*/
  UDR0 = data;
}

  
void USART_Transmit_st( unsigned char *pd )
{
  int a=0;
  while(*pd!='\n')
  {
   while ( !( UCSR0A & (1<<5)) );//UDREn
   UDR0 = *(pd+a);
   a++;
  }

}

main()
{
  unsigned char i;
  USART_Init();
 // EN25B16_INITIALIZTION();
 // EraseSector_64K(0);
//  WriteSector_64K(3,3,20,temp);
  	DDRE = 0xff;
	PORTE = 0X00;
  while(1)
  {
   // ReadSector_64K(3, 3, 20,temp2);
    while(1)
    {
      PORTE = ~PORTE;} 
    for ( i= 0 ;i < 32; i++){
     // USART_Transmit(temp2[i]);
     // USART_Transmit(0);
    }
  // _NOP_ms(300);
  }
}