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请教一下,为啥用W25Q128的falsh模拟U盘,发现格式化不了,不知道为何?有人能帮忙分析一下吗?谢谢
原野火例程:
/**
******************************************************************************
* @file memory.c
* @author MCD Application Team
* @version V3.4.0
* @date 29-June-2012
* @brief Memory management layer
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "memory.h"
#include "usb_scsi.h"
#include "usb_bot.h"
#include "usb_regs.h"
#include "usb_mem.h"
#include "usb_conf.h"
#include "hw_config.h"
#include "mass_mal.h"
#include "usb_lib.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
__IO uint32_t Block_Read_count = 0;
__IO uint32_t Block_offset;
__IO uint32_t Counter = 0;
uint32_t Idx;
uint32_t Data_Buffer[BULK_MAX_PACKET_SIZE*64]; /* 512 bytes*/
uint8_t TransferState = TXFR_IDLE;
/* Extern variables ----------------------------------------------------------*/
extern uint8_t Bulk_Data_Buff[BULK_MAX_PACKET_SIZE]; /* data buffer*/
extern uint16_t Data_Len;
extern uint8_t Bot_State;
extern Bulk_Only_CBW CBW;
extern Bulk_Only_CSW CSW;
extern uint32_t Mass_Memory_Size[2];
extern uint32_t Mass_Block_Size[2];
/* Private function prototypes -----------------------------------------------*/
/* Extern function prototypes ------------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : Read_Memory
* Description : Handle the Read operation from the microSD card.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void Read_Memory(uint8_t lun, uint32_t Memory_Offset, uint32_t Transfer_Length)
{
static uint32_t Offset, Length;
if (TransferState == TXFR_IDLE )
{
Offset = Memory_Offset * Mass_Block_Size[lun];
Length = Transfer_Length * Mass_Block_Size[lun];
TransferState = TXFR_ONGOING;
}
if (TransferState == TXFR_ONGOING )
{
if (!Block_Read_count)
{
// MAL_Read(lun ,
// Offset ,
// Data_Buffer,
// Mass_Block_Size[lun]);
MAL_Read(lun ,
Offset ,
Data_Buffer,
Length/512-1);
USB_SIL_Write(EP1_IN, (uint8_t *)Data_Buffer, BULK_MAX_PACKET_SIZE);
Block_Read_count = Mass_Block_Size[lun] - BULK_MAX_PACKET_SIZE;
Block_offset = BULK_MAX_PACKET_SIZE;
}
else
{
USB_SIL_Write(EP1_IN, (uint8_t *)Data_Buffer + Block_offset, BULK_MAX_PACKET_SIZE);
Block_Read_count -= BULK_MAX_PACKET_SIZE;
Block_offset += BULK_MAX_PACKET_SIZE;
}
SetEPTxCount(ENDP1, BULK_MAX_PACKET_SIZE);
#ifndef USE_STM3210C_EVAL
SetEPTxStatus(ENDP1, EP_TX_VALID);
#endif
Offset += BULK_MAX_PACKET_SIZE;
Length -= BULK_MAX_PACKET_SIZE;
CSW.dDataResidue -= BULK_MAX_PACKET_SIZE;
// Led_RW_ON();
}
if (Length == 0)
{
Block_Read_count = 0;
Block_offset = 0;
Offset = 0;
Bot_State = BOT_DATA_IN_LAST;
TransferState = TXFR_IDLE;
// Led_RW_OFF();
}
}
/*******************************************************************************
* Function Name : Write_Memory
* Description : Handle the Write operation to the microSD card.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void Write_Memory (uint8_t lun, uint32_t Memory_Offset, uint32_t Transfer_Length)
{
static uint32_t W_Offset, W_Length;
uint32_t temp = Counter + 64;
if (TransferState == TXFR_IDLE )
{
W_Offset = Memory_Offset * Mass_Block_Size[lun];
W_Length = Transfer_Length * Mass_Block_Size[lun];
TransferState = TXFR_ONGOING;
}
if (TransferState == TXFR_ONGOING )
{
for (Idx = 0 ; Counter < temp; Counter++)
{
*((uint8_t *)Data_Buffer + Counter) = Bulk_Data_Buff[Idx++];
}
W_Offset += Data_Len;
W_Length -= Data_Len;
if (!(W_Length % Mass_Block_Size[lun]))
{
Counter = 0;
// MAL_Write(lun ,
// W_Offset - Mass_Block_Size[lun],
// Data_Buffer,
// Mass_Block_Size[lun]);
MAL_Write(lun ,
W_Offset - Mass_Block_Size[lun],
Data_Buffer,
W_Length);
}
CSW.dDataResidue -= Data_Len;
#ifndef STM32F10X_CL
SetEPRxStatus(ENDP2, EP_RX_VALID); /* enable the next transaction*/
#endif /* STM32F10X_CL */
// Led_RW_ON();
}
if ((W_Length == 0) || (Bot_State == BOT_CSW_Send))
{
Counter = 0;
Set_CSW (CSW_CMD_PASSED, SEND_CSW_ENABLE);
TransferState = TXFR_IDLE;
// Led_RW_OFF();
}
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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