void AT25512_ReadData(unsigned short Addr , unsigned char *data , unsigned char Len)
{
int i=0;
AT25512_Lower_CS();
SPI2_SendByte(AT25512_READ);
SPI2_SendByte(Addr>>8);
SPI2_SendByte(Addr&0xFF);
for(i=0;i<Len;i++)
data[i]=AT25512_Read();
AT25512_Raise_CS();
}
int AT25512_IsBusy(void)
{
unsigned status=0;
AT25512_Lower_CS();
SPI2_SendByte(AT25512_RDSR);
status = AT25512_Read();
AT25512_Raise_CS();
if(status & 0x01)
return 1;
else
return 0;
}
void AT25512_PageWrite(unsigned short Addr , const unsigned char *data , unsigned char Len)
{
int i=0;
AT25512_Lower_CS();
SPI2_SendByte(AT25512_WRSR);
SPI2_SendByte(0x00);
AT25512_Raise_CS();
AT25512_Lower_CS();
SPI2_SendByte(AT25512_WREN);
AT25512_Raise_CS();
AT25512_Lower_CS();
SPI2_SendByte(AT25512_WRITE);
SPI2_SendByte(Addr>>8);
SPI2_SendByte(Addr&0xFF);
for(i=0;i<Len;i++)
SPI2_SendByte(data[i]);
AT25512_Raise_CS();
}
u8 IINCHIP_SpiSendData(uint8 dat)
{
return(SPI2_SendByte(dat));
}
