FLASH_ID = SPI_FLASH_ReadID();
u32 SPI_FLASH_ReadID(void)
{
u32 Temp = 0, Temp0 = 0, Temp1 = 0, Temp2 = 0, Temp3;
/* Select the FLASH: Chip Select low */
SPI_FLASH_CS_LOW();
/* Send "RDID " instruction */
SPI_FLASH_SendByte(0x9F); /**--------------------------------**/
/* Read a byte from the FLASH */
Temp0 = SPI_FLASH_SendByte(Dummy_Byte);
/* Read a byte from the FLASH */
Temp1 = SPI_FLASH_SendByte(Dummy_Byte);
/* Read a byte from the FLASH */
Temp2 = SPI_FLASH_SendByte(Dummy_Byte);
/* Read a byte from the FLASH */
Temp3 = SPI_FLASH_SendByte(Dummy_Byte); /*** 0xff */
/* Deselect the FLASH: Chip Select high */
SPI_FLASH_CS_HIGH();
Temp = (Temp0 << 24) | (Temp1 << 16) | (Temp2<<8) | Temp3;
return Temp;
}