at25f4096.c

AVR单片机仿真100例

//-----------------------------------------------------------------
//  名称:用SPI接口读写AT25F4096子程序
//-----------------------------------------------------------------
#define F_CPU 4000000UL
#include <avr/io.h>
#include <util/delay.h>
#define INT8U   unsigned char
#define INT16U  unsigned int
#define INT32U  unsigned long

//AT25F4096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AT25F4096芯片状态
//-----------------------------------------------------------------
INT8U Read_SPI_Status()
{


}

//-----------------------------------------------------------------
// AT25F4096忙等待
//-----------------------------------------------------------------
void Busy_Wait()
{  


}

//-----------------------------------------------------------------
// 向AT25F4096写入三个字节的地址0x000000-0x07FFFF (有效位为19位)
//-----------------------------------------------------------------
void Write_3_Bytes_AT25F4096_Address(INT32U addr)
{


}

//-----------------------------------------------------------------
// 从指定地址读单字节
//-----------------------------------------------------------------
INT8U Read_Byte_FROM_AT25F4096(INT32U addr)
{


}

//-----------------------------------------------------------------
// 从指定地址读多字节到缓冲
//-----------------------------------------------------------------
void Read_Some_Bytes_FROM_AT25F4096(INT32U addr, INT8U *p, INT16U len)
{


}

//-----------------------------------------------------------------
// 向AT25F4096指定地址写入单字节数据
//-----------------------------------------------------------------
void Write_Byte_TO_AT25F4096(INT32U addr,INT8U dat)
{	


}