at25f2048.c

单片机C语言程序设计实训100例--基于AVR+PROTEUS仿真

//-----------------------------------------------------------------
//  名称:用SPI接口读写AT25F2048子程序
//-----------------------------------------------------------------
#include <avr/io.h>
#include <util/delay.h>
#define INT8U   unsigned char
#define INT16U  unsigned int
#define INT32U  unsigned long

//AT25F2048指令集


//SPI使能与禁用


//-----------------------------------------------------------------
// SPI主机初始化
//-----------------------------------------------------------------
void SPI_MasterInit()
{


}

//-----------------------------------------------------------------
// SPI数据传输
//-----------------------------------------------------------------
INT8U SPI_Transmit(INT8U dat)
{


}

//-----------------------------------------------------------------
// 读AT25F2048芯片状态
//-----------------------------------------------------------------
INT8U Read_SPI_Status()
{


}

//-----------------------------------------------------------------
// AT25F2048忙等待
//-----------------------------------------------------------------
void Busy_Wait()
{  


}

/*
//-----------------------------------------------------------------
// 删除AT25F2048芯片未加保护的所有区域数据
//-----------------------------------------------------------------
void ChipErase() 
{


}
*/

//-----------------------------------------------------------------
// 向AT25F2048写入三个字节的地址0x000000-0x01FFFF 
//-----------------------------------------------------------------
void Write_3_Bytes_AT25F2048_Address(INT32U addr)
{


}

//-----------------------------------------------------------------
// 从指定地址读单字节
//-----------------------------------------------------------------
INT8U Read_Byte_FROM_AT25F2048(INT32U addr)
{


}

//-----------------------------------------------------------------
// 从指定地址读多字节到缓冲
//-----------------------------------------------------------------
void Read_Some_Bytes_FROM_AT25F2048(INT32U addr, INT8U *p, INT16U len)
{


}

//-----------------------------------------------------------------
// 向AT25F2048指定地址写入单字节数据
//-----------------------------------------------------------------
void Write_Byte_TO_AT25F2048(INT32U addr,INT8U dat)
{	


}
/*
//-----------------------------------------------------------------
// 向AT25F2048指定地址开始写入多字节数据
//-----------------------------------------------------------------
void Write_Some_Bytes_TO_AT25F2048(INT32U addr,INT8U *p,INT16U len)
{	


}
*/