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path: root/STM32_bootloader/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c
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Diffstat (limited to 'STM32_bootloader/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c')
-rw-r--r--STM32_bootloader/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c774
1 files changed, 387 insertions, 387 deletions
diff --git a/STM32_bootloader/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c b/STM32_bootloader/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c
index f8c1be8..1414c19 100644
--- a/STM32_bootloader/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c
+++ b/STM32_bootloader/Middlewares/ST/STM32_USB_Device_Library/Class/MSC/Src/usbd_msc_bot.c
@@ -1,387 +1,387 @@
-/**
- ******************************************************************************
- * @file usbd_msc_bot.c
- * @author MCD Application Team
- * @brief This file provides all the BOT protocol core functions.
- ******************************************************************************
- * @attention
- *
- * <h2><center>&copy; Copyright (c) 2015 STMicroelectronics.
- * All rights reserved.</center></h2>
- *
- * This software component is licensed by ST under Ultimate Liberty license
- * SLA0044, the "License"; You may not use this file except in compliance with
- * the License. You may obtain a copy of the License at:
- * www.st.com/SLA0044
- *
- ******************************************************************************
- */
-
-/* BSPDependencies
-- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c"
-- "stm32xxxxx_{eval}{discovery}_io.c"
-- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c"
-EndBSPDependencies */
-
-/* Includes ------------------------------------------------------------------*/
-#include "usbd_msc_bot.h"
-#include "usbd_msc.h"
-#include "usbd_msc_scsi.h"
-#include "usbd_ioreq.h"
-
-/** @addtogroup STM32_USB_DEVICE_LIBRARY
- * @{
- */
-
-
-/** @defgroup MSC_BOT
- * @brief BOT protocol module
- * @{
- */
-
-/** @defgroup MSC_BOT_Private_TypesDefinitions
- * @{
- */
-/**
- * @}
- */
-
-
-/** @defgroup MSC_BOT_Private_Defines
- * @{
- */
-
-/**
- * @}
- */
-
-
-/** @defgroup MSC_BOT_Private_Macros
- * @{
- */
-/**
- * @}
- */
-
-
-/** @defgroup MSC_BOT_Private_Variables
- * @{
- */
-
-/**
- * @}
- */
-
-
-/** @defgroup MSC_BOT_Private_FunctionPrototypes
- * @{
- */
-static void MSC_BOT_CBW_Decode(USBD_HandleTypeDef *pdev);
-static void MSC_BOT_SendData(USBD_HandleTypeDef *pdev, uint8_t *pbuf,
- uint16_t len);
-
-static void MSC_BOT_Abort(USBD_HandleTypeDef *pdev);
-/**
- * @}
- */
-
-
-/** @defgroup MSC_BOT_Private_Functions
- * @{
- */
-
-
-
-/**
-* @brief MSC_BOT_Init
-* Initialize the BOT Process
-* @param pdev: device instance
-* @retval None
-*/
-void MSC_BOT_Init(USBD_HandleTypeDef *pdev)
-{
- USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
-
- hmsc->bot_state = USBD_BOT_IDLE;
- hmsc->bot_status = USBD_BOT_STATUS_NORMAL;
-
- hmsc->scsi_sense_tail = 0U;
- hmsc->scsi_sense_head = 0U;
-
- ((USBD_StorageTypeDef *)pdev->pUserData)->Init(0U);
-
- USBD_LL_FlushEP(pdev, MSC_EPOUT_ADDR);
- USBD_LL_FlushEP(pdev, MSC_EPIN_ADDR);
-
- /* Prapare EP to Receive First BOT Cmd */
- USBD_LL_PrepareReceive(pdev, MSC_EPOUT_ADDR, (uint8_t *)(void *)&hmsc->cbw,
- USBD_BOT_CBW_LENGTH);
-}
-
-/**
-* @brief MSC_BOT_Reset
-* Reset the BOT Machine
-* @param pdev: device instance
-* @retval None
-*/
-void MSC_BOT_Reset(USBD_HandleTypeDef *pdev)
-{
- USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
-
- hmsc->bot_state = USBD_BOT_IDLE;
- hmsc->bot_status = USBD_BOT_STATUS_RECOVERY;
-
- /* Prapare EP to Receive First BOT Cmd */
- USBD_LL_PrepareReceive(pdev, MSC_EPOUT_ADDR, (uint8_t *)(void *)&hmsc->cbw,
- USBD_BOT_CBW_LENGTH);
-}
-
-/**
-* @brief MSC_BOT_DeInit
-* Deinitialize the BOT Machine
-* @param pdev: device instance
-* @retval None
-*/
-void MSC_BOT_DeInit(USBD_HandleTypeDef *pdev)
-{
- USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
- hmsc->bot_state = USBD_BOT_IDLE;
-}
-
-/**
-* @brief MSC_BOT_DataIn
-* Handle BOT IN data stage
-* @param pdev: device instance
-* @param epnum: endpoint index
-* @retval None
-*/
-void MSC_BOT_DataIn(USBD_HandleTypeDef *pdev,
- uint8_t epnum)
-{
- USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
-
- switch (hmsc->bot_state)
- {
- case USBD_BOT_DATA_IN:
- if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0)
- {
- MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED);
- }
- break;
-
- case USBD_BOT_SEND_DATA:
- case USBD_BOT_LAST_DATA_IN:
- MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED);
- break;
-
- default:
- break;
- }
-}
-/**
-* @brief MSC_BOT_DataOut
-* Process MSC OUT data
-* @param pdev: device instance
-* @param epnum: endpoint index
-* @retval None
-*/
-void MSC_BOT_DataOut(USBD_HandleTypeDef *pdev,
- uint8_t epnum)
-{
- USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
-
- switch (hmsc->bot_state)
- {
- case USBD_BOT_IDLE:
- MSC_BOT_CBW_Decode(pdev);
- break;
-
- case USBD_BOT_DATA_OUT:
-
- if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0)
- {
- MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED);
- }
- break;
-
- default:
- break;
- }
-}
-
-/**
-* @brief MSC_BOT_CBW_Decode
-* Decode the CBW command and set the BOT state machine accordingly
-* @param pdev: device instance
-* @retval None
-*/
-static void MSC_BOT_CBW_Decode(USBD_HandleTypeDef *pdev)
-{
- USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
-
- hmsc->csw.dTag = hmsc->cbw.dTag;
- hmsc->csw.dDataResidue = hmsc->cbw.dDataLength;
-
- if ((USBD_LL_GetRxDataSize(pdev, MSC_EPOUT_ADDR) != USBD_BOT_CBW_LENGTH) ||
- (hmsc->cbw.dSignature != USBD_BOT_CBW_SIGNATURE) ||
- (hmsc->cbw.bLUN > 1U) ||
- (hmsc->cbw.bCBLength < 1U) || (hmsc->cbw.bCBLength > 16U))
- {
-
- SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
-
- hmsc->bot_status = USBD_BOT_STATUS_ERROR;
- MSC_BOT_Abort(pdev);
- }
- else
- {
- if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0)
- {
- if (hmsc->bot_state == USBD_BOT_NO_DATA)
- {
- MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED);
- }
- else
- {
- MSC_BOT_Abort(pdev);
- }
- }
- /*Burst xfer handled internally*/
- else if ((hmsc->bot_state != USBD_BOT_DATA_IN) &&
- (hmsc->bot_state != USBD_BOT_DATA_OUT) &&
- (hmsc->bot_state != USBD_BOT_LAST_DATA_IN))
- {
- if (hmsc->bot_data_length > 0U)
- {
- MSC_BOT_SendData(pdev, hmsc->bot_data, hmsc->bot_data_length);
- }
- else if (hmsc->bot_data_length == 0U)
- {
- MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED);
- }
- else
- {
- MSC_BOT_Abort(pdev);
- }
- }
- else
- {
- return;
- }
- }
-}
-
-/**
-* @brief MSC_BOT_SendData
-* Send the requested data
-* @param pdev: device instance
-* @param buf: pointer to data buffer
-* @param len: Data Length
-* @retval None
-*/
-static void MSC_BOT_SendData(USBD_HandleTypeDef *pdev, uint8_t *pbuf,
- uint16_t len)
-{
- USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
-
- uint16_t length = (uint16_t)MIN(hmsc->cbw.dDataLength, len);
-
- hmsc->csw.dDataResidue -= len;
- hmsc->csw.bStatus = USBD_CSW_CMD_PASSED;
- hmsc->bot_state = USBD_BOT_SEND_DATA;
-
- USBD_LL_Transmit(pdev, MSC_EPIN_ADDR, pbuf, length);
-}
-
-/**
-* @brief MSC_BOT_SendCSW
-* Send the Command Status Wrapper
-* @param pdev: device instance
-* @param status : CSW status
-* @retval None
-*/
-void MSC_BOT_SendCSW(USBD_HandleTypeDef *pdev,
- uint8_t CSW_Status)
-{
- USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
-
- hmsc->csw.dSignature = USBD_BOT_CSW_SIGNATURE;
- hmsc->csw.bStatus = CSW_Status;
- hmsc->bot_state = USBD_BOT_IDLE;
-
- USBD_LL_Transmit(pdev, MSC_EPIN_ADDR, (uint8_t *)(void *)&hmsc->csw,
- USBD_BOT_CSW_LENGTH);
-
- /* Prepare EP to Receive next Cmd */
- USBD_LL_PrepareReceive(pdev, MSC_EPOUT_ADDR, (uint8_t *)(void *)&hmsc->cbw,
- USBD_BOT_CBW_LENGTH);
-}
-
-/**
-* @brief MSC_BOT_Abort
-* Abort the current transfer
-* @param pdev: device instance
-* @retval status
-*/
-
-static void MSC_BOT_Abort(USBD_HandleTypeDef *pdev)
-{
- USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
-
- if ((hmsc->cbw.bmFlags == 0U) &&
- (hmsc->cbw.dDataLength != 0U) &&
- (hmsc->bot_status == USBD_BOT_STATUS_NORMAL))
- {
- USBD_LL_StallEP(pdev, MSC_EPOUT_ADDR);
- }
-
- USBD_LL_StallEP(pdev, MSC_EPIN_ADDR);
-
- if (hmsc->bot_status == USBD_BOT_STATUS_ERROR)
- {
- USBD_LL_PrepareReceive(pdev, MSC_EPOUT_ADDR, (uint8_t *)(void *)&hmsc->cbw,
- USBD_BOT_CBW_LENGTH);
- }
-}
-
-/**
-* @brief MSC_BOT_CplClrFeature
-* Complete the clear feature request
-* @param pdev: device instance
-* @param epnum: endpoint index
-* @retval None
-*/
-
-void MSC_BOT_CplClrFeature(USBD_HandleTypeDef *pdev, uint8_t epnum)
-{
- USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
-
- if (hmsc->bot_status == USBD_BOT_STATUS_ERROR) /* Bad CBW Signature */
- {
- USBD_LL_StallEP(pdev, MSC_EPIN_ADDR);
- hmsc->bot_status = USBD_BOT_STATUS_NORMAL;
- }
- else if (((epnum & 0x80U) == 0x80U) && (hmsc->bot_status != USBD_BOT_STATUS_RECOVERY))
- {
- MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED);
- }
- else
- {
- return;
- }
-}
-/**
- * @}
- */
-
-
-/**
- * @}
- */
-
-
-/**
- * @}
- */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+/**
+ ******************************************************************************
+ * @file usbd_msc_bot.c
+ * @author MCD Application Team
+ * @brief This file provides all the BOT protocol core functions.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; Copyright (c) 2015 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * This software component is licensed by ST under Ultimate Liberty license
+ * SLA0044, the "License"; You may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at:
+ * www.st.com/SLA0044
+ *
+ ******************************************************************************
+ */
+
+/* BSPDependencies
+- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c"
+- "stm32xxxxx_{eval}{discovery}_io.c"
+- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c"
+EndBSPDependencies */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_msc_bot.h"
+#include "usbd_msc.h"
+#include "usbd_msc_scsi.h"
+#include "usbd_ioreq.h"
+
+/** @addtogroup STM32_USB_DEVICE_LIBRARY
+ * @{
+ */
+
+
+/** @defgroup MSC_BOT
+ * @brief BOT protocol module
+ * @{
+ */
+
+/** @defgroup MSC_BOT_Private_TypesDefinitions
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_BOT_Private_Defines
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_BOT_Private_Macros
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_BOT_Private_Variables
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_BOT_Private_FunctionPrototypes
+ * @{
+ */
+static void MSC_BOT_CBW_Decode(USBD_HandleTypeDef *pdev);
+static void MSC_BOT_SendData(USBD_HandleTypeDef *pdev, uint8_t *pbuf,
+ uint16_t len);
+
+static void MSC_BOT_Abort(USBD_HandleTypeDef *pdev);
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_BOT_Private_Functions
+ * @{
+ */
+
+
+
+/**
+* @brief MSC_BOT_Init
+* Initialize the BOT Process
+* @param pdev: device instance
+* @retval None
+*/
+void MSC_BOT_Init(USBD_HandleTypeDef *pdev)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
+
+ hmsc->bot_state = USBD_BOT_IDLE;
+ hmsc->bot_status = USBD_BOT_STATUS_NORMAL;
+
+ hmsc->scsi_sense_tail = 0U;
+ hmsc->scsi_sense_head = 0U;
+
+ ((USBD_StorageTypeDef *)pdev->pUserData)->Init(0U);
+
+ USBD_LL_FlushEP(pdev, MSC_EPOUT_ADDR);
+ USBD_LL_FlushEP(pdev, MSC_EPIN_ADDR);
+
+ /* Prapare EP to Receive First BOT Cmd */
+ USBD_LL_PrepareReceive(pdev, MSC_EPOUT_ADDR, (uint8_t *)(void *)&hmsc->cbw,
+ USBD_BOT_CBW_LENGTH);
+}
+
+/**
+* @brief MSC_BOT_Reset
+* Reset the BOT Machine
+* @param pdev: device instance
+* @retval None
+*/
+void MSC_BOT_Reset(USBD_HandleTypeDef *pdev)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
+
+ hmsc->bot_state = USBD_BOT_IDLE;
+ hmsc->bot_status = USBD_BOT_STATUS_RECOVERY;
+
+ /* Prapare EP to Receive First BOT Cmd */
+ USBD_LL_PrepareReceive(pdev, MSC_EPOUT_ADDR, (uint8_t *)(void *)&hmsc->cbw,
+ USBD_BOT_CBW_LENGTH);
+}
+
+/**
+* @brief MSC_BOT_DeInit
+* Deinitialize the BOT Machine
+* @param pdev: device instance
+* @retval None
+*/
+void MSC_BOT_DeInit(USBD_HandleTypeDef *pdev)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
+ hmsc->bot_state = USBD_BOT_IDLE;
+}
+
+/**
+* @brief MSC_BOT_DataIn
+* Handle BOT IN data stage
+* @param pdev: device instance
+* @param epnum: endpoint index
+* @retval None
+*/
+void MSC_BOT_DataIn(USBD_HandleTypeDef *pdev,
+ uint8_t epnum)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
+
+ switch (hmsc->bot_state)
+ {
+ case USBD_BOT_DATA_IN:
+ if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0)
+ {
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED);
+ }
+ break;
+
+ case USBD_BOT_SEND_DATA:
+ case USBD_BOT_LAST_DATA_IN:
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED);
+ break;
+
+ default:
+ break;
+ }
+}
+/**
+* @brief MSC_BOT_DataOut
+* Process MSC OUT data
+* @param pdev: device instance
+* @param epnum: endpoint index
+* @retval None
+*/
+void MSC_BOT_DataOut(USBD_HandleTypeDef *pdev,
+ uint8_t epnum)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
+
+ switch (hmsc->bot_state)
+ {
+ case USBD_BOT_IDLE:
+ MSC_BOT_CBW_Decode(pdev);
+ break;
+
+ case USBD_BOT_DATA_OUT:
+
+ if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0)
+ {
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED);
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+/**
+* @brief MSC_BOT_CBW_Decode
+* Decode the CBW command and set the BOT state machine accordingly
+* @param pdev: device instance
+* @retval None
+*/
+static void MSC_BOT_CBW_Decode(USBD_HandleTypeDef *pdev)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
+
+ hmsc->csw.dTag = hmsc->cbw.dTag;
+ hmsc->csw.dDataResidue = hmsc->cbw.dDataLength;
+
+ if ((USBD_LL_GetRxDataSize(pdev, MSC_EPOUT_ADDR) != USBD_BOT_CBW_LENGTH) ||
+ (hmsc->cbw.dSignature != USBD_BOT_CBW_SIGNATURE) ||
+ (hmsc->cbw.bLUN > 1U) ||
+ (hmsc->cbw.bCBLength < 1U) || (hmsc->cbw.bCBLength > 16U))
+ {
+
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB);
+
+ hmsc->bot_status = USBD_BOT_STATUS_ERROR;
+ MSC_BOT_Abort(pdev);
+ }
+ else
+ {
+ if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0)
+ {
+ if (hmsc->bot_state == USBD_BOT_NO_DATA)
+ {
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED);
+ }
+ else
+ {
+ MSC_BOT_Abort(pdev);
+ }
+ }
+ /*Burst xfer handled internally*/
+ else if ((hmsc->bot_state != USBD_BOT_DATA_IN) &&
+ (hmsc->bot_state != USBD_BOT_DATA_OUT) &&
+ (hmsc->bot_state != USBD_BOT_LAST_DATA_IN))
+ {
+ if (hmsc->bot_data_length > 0U)
+ {
+ MSC_BOT_SendData(pdev, hmsc->bot_data, hmsc->bot_data_length);
+ }
+ else if (hmsc->bot_data_length == 0U)
+ {
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED);
+ }
+ else
+ {
+ MSC_BOT_Abort(pdev);
+ }
+ }
+ else
+ {
+ return;
+ }
+ }
+}
+
+/**
+* @brief MSC_BOT_SendData
+* Send the requested data
+* @param pdev: device instance
+* @param buf: pointer to data buffer
+* @param len: Data Length
+* @retval None
+*/
+static void MSC_BOT_SendData(USBD_HandleTypeDef *pdev, uint8_t *pbuf,
+ uint16_t len)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
+
+ uint16_t length = (uint16_t)MIN(hmsc->cbw.dDataLength, len);
+
+ hmsc->csw.dDataResidue -= len;
+ hmsc->csw.bStatus = USBD_CSW_CMD_PASSED;
+ hmsc->bot_state = USBD_BOT_SEND_DATA;
+
+ USBD_LL_Transmit(pdev, MSC_EPIN_ADDR, pbuf, length);
+}
+
+/**
+* @brief MSC_BOT_SendCSW
+* Send the Command Status Wrapper
+* @param pdev: device instance
+* @param status : CSW status
+* @retval None
+*/
+void MSC_BOT_SendCSW(USBD_HandleTypeDef *pdev,
+ uint8_t CSW_Status)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
+
+ hmsc->csw.dSignature = USBD_BOT_CSW_SIGNATURE;
+ hmsc->csw.bStatus = CSW_Status;
+ hmsc->bot_state = USBD_BOT_IDLE;
+
+ USBD_LL_Transmit(pdev, MSC_EPIN_ADDR, (uint8_t *)(void *)&hmsc->csw,
+ USBD_BOT_CSW_LENGTH);
+
+ /* Prepare EP to Receive next Cmd */
+ USBD_LL_PrepareReceive(pdev, MSC_EPOUT_ADDR, (uint8_t *)(void *)&hmsc->cbw,
+ USBD_BOT_CBW_LENGTH);
+}
+
+/**
+* @brief MSC_BOT_Abort
+* Abort the current transfer
+* @param pdev: device instance
+* @retval status
+*/
+
+static void MSC_BOT_Abort(USBD_HandleTypeDef *pdev)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
+
+ if ((hmsc->cbw.bmFlags == 0U) &&
+ (hmsc->cbw.dDataLength != 0U) &&
+ (hmsc->bot_status == USBD_BOT_STATUS_NORMAL))
+ {
+ USBD_LL_StallEP(pdev, MSC_EPOUT_ADDR);
+ }
+
+ USBD_LL_StallEP(pdev, MSC_EPIN_ADDR);
+
+ if (hmsc->bot_status == USBD_BOT_STATUS_ERROR)
+ {
+ USBD_LL_PrepareReceive(pdev, MSC_EPOUT_ADDR, (uint8_t *)(void *)&hmsc->cbw,
+ USBD_BOT_CBW_LENGTH);
+ }
+}
+
+/**
+* @brief MSC_BOT_CplClrFeature
+* Complete the clear feature request
+* @param pdev: device instance
+* @param epnum: endpoint index
+* @retval None
+*/
+
+void MSC_BOT_CplClrFeature(USBD_HandleTypeDef *pdev, uint8_t epnum)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
+
+ if (hmsc->bot_status == USBD_BOT_STATUS_ERROR) /* Bad CBW Signature */
+ {
+ USBD_LL_StallEP(pdev, MSC_EPIN_ADDR);
+ hmsc->bot_status = USBD_BOT_STATUS_NORMAL;
+ }
+ else if (((epnum & 0x80U) == 0x80U) && (hmsc->bot_status != USBD_BOT_STATUS_RECOVERY))
+ {
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED);
+ }
+ else
+ {
+ return;
+ }
+}
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 15:20:39 +0300