/*******************************************************************************
* Function Name : Read_Memory
* Description : Handle the Read operation from the microSD card.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void Read_Memory(void)
{ //unsigned int a=0,b=0;
NAND_ADDRESS Nand_Addr;
// GPIO_SetBits(GPIOB, GPIO_Pin_5);
if (!Block_Read_count)
{
//NAND_ConvertOffsetToAddress(Memory_Offset, 64, &Nand_Addr);
NAND_ConvertOffsetToAddress(Memory_Offset, 2048, &Nand_Addr);
NAND_ReadSmallPage(Data1_Buffer, Nand_Addr, 1);
//NAND_ReadSpareArea(Data1_Buffer, Nand_Addr, 1);
UserToPMABufferCopy(Data1_Buffer, ENDP1_TXADDR, BULK_MAX_PACKET_SIZE);
Block_Read_count = 2048 - BULK_MAX_PACKET_SIZE;
//Block_Read_count = 64 - BULK_MAX_PACKET_SIZE;
Block_offset = BULK_MAX_PACKET_SIZE;
}
else
{
UserToPMABufferCopy(Data1_Buffer + Block_offset, ENDP1_TXADDR, BULK_MAX_PACKET_SIZE);
Block_Read_count -= BULK_MAX_PACKET_SIZE;
Block_offset += BULK_MAX_PACKET_SIZE;
}
SetEPTxCount(ENDP1, BULK_MAX_PACKET_SIZE);
SetEPTxStatus(ENDP1, EP_TX_VALID);
Memory_Offset += BULK_MAX_PACKET_SIZE;
Transfer_Length -= BULK_MAX_PACKET_SIZE;
CSW.dDataResidue -= BULK_MAX_PACKET_SIZE;
//Led_RW_ON();
if (Transfer_Length == 0)
{
Block_Read_count = 0;
Block_offset = 0;
Memory_Offset = 0;
Bot_State = BOT_DATA_IN_LAST;
//Led_RW_OFF();
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f10x_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f10x.c file
*/
/* Initialize Leds mounted on STM3210X-EVAL board */
STM_EVAL_LEDInit(LED1);
STM_EVAL_LEDInit(LED2);
STM_EVAL_LEDInit(LED3);
/* Enable the FSMC Clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);
/* FSMC Initialization */
NAND_Init();
/* NAND read ID command */
NAND_ReadID(&NAND_ID);
/* Verify the NAND ID */
if((NAND_ID.Maker_ID == NAND_ST_MakerID) && (NAND_ID.Device_ID == NAND_ST_DeviceID))
{
/* NAND memory address to write to */
WriteReadAddr.Zone = 0x00;
WriteReadAddr.Block = 0x00;
WriteReadAddr.Page = 0x00;
/* Erase the NAND first Block */
status = NAND_EraseBlock(WriteReadAddr);
/* Write data to FSMC NAND memory */
/* Fill the buffer to send */
Fill_Buffer(TxBuffer, BUFFER_SIZE , 0x66);
status = NAND_WriteSmallPage(TxBuffer, WriteReadAddr, PageNumber);
/* Read back the written data */
status = NAND_ReadSmallPage (RxBuffer, WriteReadAddr, PageNumber);
/* Verify the written data */
for(j = 0; j < BUFFER_SIZE; j++)
{
if(TxBuffer[j] != RxBuffer[j])
{
WriteReadStatus++;
}
}
if (WriteReadStatus == 0)
{
/* OK */
/* Turn on LED1 */
STM_EVAL_LEDOn(LED1);
}
else
{
/* KO */
/* Turn on LED2 */
STM_EVAL_LEDOn(LED2);
}
}
else
{
/* Turn on LED3 */
STM_EVAL_LEDOn(LED3);
}
while(1)
{
}
}