/******************************************************************************* * Function Name : Write_Memory * Description : Handle the Write operation to the microSD card. * Input : None. * Output : None. * Return : None. *******************************************************************************/ void Write_Memory(void) { u32 temp = Counter + 64; NAND_ADDRESS Nand_Addr; static u16 Last_Erased_Block = -1; i = 0; for (; Counter < temp; Counter++) { Data1_Buffer[Counter] = Bulk_Data_Buff[i]; i++; } Memory_Offset += Data_Len; Transfer_Length -= Data_Len; if (!(Transfer_Length % 2048)) //if (!(Transfer_Length % 64)) { Counter = 0; NAND_ConvertOffsetToAddress(Memory_Offset - 2048, 2048, &Nand_Addr); /*if (Last_Erased_Block != Nand_Addr.Block) { NAND_EraseBlock(Nand_Addr); //i=1; Last_Erased_Block = Nand_Addr.Block; }*/ //NAND_ConvertOffsetToAddress(Memory_Offset - 64, 64, &Nand_Addr); NAND_WriteSmallPage(Data1_Buffer, Nand_Addr, 1); //NAND_WriteSpareArea(Data1_Buffer, Nand_Addr, 1); } CSW.dDataResidue -= Data_Len; SetEPRxStatus(ENDP2, EP_RX_VALID); /* enable the next transaction*/ //Led_RW_ON(); if ((Transfer_Length == 0) || (Bot_State == BOT_CSW_Send)) { Counter = 0; Set_CSW (CSW_CMD_PASSED, SEND_CSW_ENABLE); //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) { } }