unsigned int spi0_trans(unsigned int data)
{
    AT91C_BASE_SPI0->SPI_TDR = data;
    while(!(AT91C_BASE_SPI0->SPI_SR & AT91C_SPI_RDRF));
    return (AT91C_BASE_SPI0->SPI_RDR);
}

unsigned char waitflash()
{
AT91PS_SPI pSPI = AT91C_BASE_SPI;
unsigned char flag =0;
unsigned char get=0;
pSPI ->SPI_TDR = 0xD7;
get = pSPI ->SPI_RDR;
flag = ((get)>>7)&1;
if(flag)
return 1;


}

void waitspisend()
{
AT91PS_SPI pSPI = AT91C_BASE_SPI;
unsigned int flag =0;
while(!flag)
{flag=pSPI ->SPI_SR;
flag=flag&0x00000200;}


}
void SPISendByte(unsigned char SPIDataToSend)
{
AT91PS_SPI pSPI = AT91C_BASE_SPI;
pSPI ->SPI_TDR= ((unsigned int)(SPIDataToSend))&0x000000FF;
waitspisend();
}
unsigned int SPIReceiveByte()
{
AT91PS_SPI pSPI = AT91C_BASE_SPI;
unsigned char DataReceived = 0;
DataReceived=pSPI->SPI_RDR;
waitspireceive();
return (DataReceived);
}

void waitspireceive()
{
AT91PS_SPI pSPI = AT91C_BASE_SPI;
unsigned int flag =0;
while(!flag)
{flag=pSPI ->SPI_SR;
flag=flag&0x00000201;}
}
void muchenieflash()
{
AT91PS_SPI pSPI = AT91C_BASE_SPI;
AT91PS_PIO pPIO = AT91C_BASE_PIOA;
while(1){
unsigned char rec[1056];
unsigned int stats=0;
AT91F_PIO_CfgPeriph(
AT91C_BASE_PIOA, // PIO controller base address
((unsigned int) AT91C_PA13_MOSI ) |
((unsigned int) AT91C_PA31_NPCS1 ) |
((unsigned int) AT91C_PA14_SPCK ) |
//((unsigned int) AT91C_PA11_NPCS0 ) |
((unsigned int) AT91C_PA12_MISO ), // Peripheral A
//((unsigned int) AT91C_PA9_NPCS1 ) |
//((unsigned int) AT91C_PA22_NPCS3 ) |
//((unsigned int) AT91C_PA3_NPCS3 ) |
//((unsigned int) AT91C_PA5_NPCS3 ) |
//((unsigned int) AT91C_PA10_NPCS2 ) |
((unsigned int) AT91C_PA30_NPCS2 )); // Peripheral B
AT91F_SPI_CfgPMC ();
AT91F_SPI_SWReset (AT91C_BASE_SPI);
pSPI ->SPI_CR = 0x01;
//(Last Transfer=0)+(SPI Software Reset=0)+(SPI Disable=0)+(SPI Enable=1)
pSPI ->SPI_MR = 0x0F030011;
//(Delay Between Chip Selects=F)+(Local loopback path disabled)+(CS2)
+(Mode fault detection is disabled)+(chip selects are directly connected)+(fixed CS)+(master mode)
pSPI ->SPI_IER = 0x0;// все прерывания отключены
pSPI ->SPI_IDR = 0x3FF;// все прерывания отключены
pSPI ->SPI_IMR = 0x0;// все прерывания замаскированы
pSPI ->SPI_CSR[2] = 0x0F0F1F02;
// (max Consecutive Transfers delay)+(max delay)+(min baud rate)
+(8 bit)+(Chip Select Active After Transfer)+(NPCHA=0)+(CPOL=1)


AT91F_PIO_CfgOutput(AT91C_BASE_PIOA,(unsigned int)1<<23);
AT91F_PIO_Enable(AT91C_BASE_PIOA,(unsigned int)1<<23);
AT91F_PIO_ClearOutput(AT91C_BASE_PIOA,(unsigned int)1<<23);
AT91F_PIO_SetOutput(AT91C_BASE_PIOA,(unsigned int)1<<23);


SPISendByte(0x57);
SPISendByte(0xFF);
delaytest(0xFFF);
stats = SPIReceiveByte();
SPISendByte(0xD7);
SPISendByte(0xFF);
delaytest(0xFFF);
rec[0] = SPIReceiveByte();
stats=stats;


SPISendByte(0x84);// запись в буфер
SPISendByte(0);
SPISendByte(0);
SPISendByte(0);

unsigned short int p=0;
for(p=0;p<1056;p++)
{
SPISendByte(0xAA);
}

SPISendByte(0x54);// чтение из буфера
SPISendByte(0);
SPISendByte(0);
SPISendByte(0);

for(p=0;p<1056;p++)
{ SPISendByte(0xFF);
rec[p] = SPIReceiveByte();
}
p++;
}
}