diff options
Diffstat (limited to 'stmhal/usbdev/Class/DFU/Src/usbd_dfu.c')
| -rw-r--r-- | stmhal/usbdev/Class/DFU/Src/usbd_dfu.c | 1095 |
1 files changed, 1095 insertions, 0 deletions
diff --git a/stmhal/usbdev/Class/DFU/Src/usbd_dfu.c b/stmhal/usbdev/Class/DFU/Src/usbd_dfu.c new file mode 100644 index 0000000000..14de9dff8b --- /dev/null +++ b/stmhal/usbdev/Class/DFU/Src/usbd_dfu.c @@ -0,0 +1,1095 @@ +/**
+ ******************************************************************************
+ * @file usbd_dfu.c
+ * @author MCD Application Team
+ * @version V2.0.0
+ * @date 18-February-2014
+ * @brief This file provides the HID core functions.
+ *
+ * @verbatim
+ *
+ * ===================================================================
+ * DFU Class Description
+ * ===================================================================
+ *
+ *
+ *
+ *
+ *
+ *
+ * @note In HS mode and when the DMA is used, all variables and data structures
+ * dealing with the DMA during the transaction process should be 32-bit aligned.
+ *
+ *
+ * @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT 2014 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 "usbd_dfu.h"
+#include "usbd_desc.h"
+#include "usbd_ctlreq.h"
+
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+ * @{
+ */
+
+
+/** @defgroup USBD_DFU
+ * @brief usbd core module
+ * @{
+ */
+
+/** @defgroup USBD_DFU_Private_TypesDefinitions
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_DFU_Private_Defines
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_DFU_Private_Macros
+ * @{
+ */
+#define DFU_SAMPLE_FREQ(frq) (uint8_t)(frq), (uint8_t)((frq >> 8)), (uint8_t)((frq >> 16))
+
+#define DFU_PACKET_SZE(frq) (uint8_t)(((frq * 2 * 2)/1000) & 0xFF), \
+ (uint8_t)((((frq * 2 * 2)/1000) >> 8) & 0xFF)
+
+/**
+ * @}
+ */
+
+
+
+
+/** @defgroup USBD_DFU_Private_FunctionPrototypes
+ * @{
+ */
+
+
+static uint8_t USBD_DFU_Init (USBD_HandleTypeDef *pdev,
+ uint8_t cfgidx);
+
+static uint8_t USBD_DFU_DeInit (USBD_HandleTypeDef *pdev,
+ uint8_t cfgidx);
+
+static uint8_t USBD_DFU_Setup (USBD_HandleTypeDef *pdev,
+ USBD_SetupReqTypedef *req);
+
+static uint8_t *USBD_DFU_GetCfgDesc (uint16_t *length);
+
+static uint8_t *USBD_DFU_GetDeviceQualifierDesc (uint16_t *length);
+
+static uint8_t USBD_DFU_DataIn (USBD_HandleTypeDef *pdev, uint8_t epnum);
+
+static uint8_t USBD_DFU_DataOut (USBD_HandleTypeDef *pdev, uint8_t epnum);
+
+static uint8_t USBD_DFU_EP0_RxReady (USBD_HandleTypeDef *pdev);
+
+static uint8_t USBD_DFU_EP0_TxReady (USBD_HandleTypeDef *pdev);
+
+static uint8_t USBD_DFU_SOF (USBD_HandleTypeDef *pdev);
+
+static uint8_t USBD_DFU_IsoINIncomplete (USBD_HandleTypeDef *pdev, uint8_t epnum);
+
+static uint8_t USBD_DFU_IsoOutIncomplete (USBD_HandleTypeDef *pdev, uint8_t epnum);
+
+#if (USBD_SUPPORT_USER_STRING == 1)
+static uint8_t* USBD_DFU_GetUsrStringDesc ( USBD_HandleTypeDef *pdev, uint8_t index , uint16_t *length);
+#endif
+
+static void DFU_Detach (USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+
+static void DFU_Download (USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+
+static void DFU_Upload (USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
+
+static void DFU_GetStatus (USBD_HandleTypeDef *pdev);
+
+static void DFU_ClearStatus (USBD_HandleTypeDef *pdev);
+
+static void DFU_GetState (USBD_HandleTypeDef *pdev);
+
+static void DFU_Abort (USBD_HandleTypeDef *pdev);
+
+static void DFU_Leave (USBD_HandleTypeDef *pdev);
+
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_DFU_Private_Variables
+ * @{
+ */
+
+USBD_ClassTypeDef USBD_DFU =
+{
+ USBD_DFU_Init,
+ USBD_DFU_DeInit,
+ USBD_DFU_Setup,
+ USBD_DFU_EP0_TxReady,
+ USBD_DFU_EP0_RxReady,
+ USBD_DFU_DataIn,
+ USBD_DFU_DataOut,
+ USBD_DFU_SOF,
+ USBD_DFU_IsoINIncomplete,
+ USBD_DFU_IsoOutIncomplete,
+ USBD_DFU_GetCfgDesc,
+ USBD_DFU_GetCfgDesc,
+ USBD_DFU_GetCfgDesc,
+ USBD_DFU_GetDeviceQualifierDesc,
+#if (USBD_SUPPORT_USER_STRING == 1)
+ USBD_DFU_GetUsrStringDesc
+#endif
+};
+
+/* USB DFU device Configuration Descriptor */
+__ALIGN_BEGIN static uint8_t USBD_DFU_CfgDesc[USB_DFU_CONFIG_DESC_SIZ] __ALIGN_END =
+{
+ 0x09, /* bLength: Configuation Descriptor size */
+ USB_DESC_TYPE_CONFIGURATION, /* bDescriptorType: Configuration */
+ USB_DFU_CONFIG_DESC_SIZ,
+ /* wTotalLength: Bytes returned */
+ 0x00,
+ 0x01, /*bNumInterfaces: 1 interface*/
+ 0x01, /*bConfigurationValue: Configuration value*/
+ 0x02, /*iConfiguration: Index of string descriptor describing the configuration*/
+ 0xC0, /*bmAttributes: bus powered and Supprts Remote Wakeup */
+ 0x32, /*MaxPower 100 mA: this current is used for detecting Vbus*/
+ /* 09 */
+
+ /********** Descriptor of DFU interface 0 Alternate setting 0 **************/
+ USBD_DFU_IF_DESC(0), /* This interface is mandatory for all devices */
+
+#if (USBD_DFU_MAX_ITF_NUM > 1)
+ /********** Descriptor of DFU interface 0 Alternate setting 1 **************/
+ USBD_DFU_IF_DESC(1),
+#endif /* (USBD_DFU_MAX_ITF_NUM > 1) */
+
+#if (USBD_DFU_MAX_ITF_NUM > 2)
+ /********** Descriptor of DFU interface 0 Alternate setting 2 **************/
+ USBD_DFU_IF_DESC(2),
+#endif /* (USBD_DFU_MAX_ITF_NUM > 2) */
+
+#if (USBD_DFU_MAX_ITF_NUM > 3)
+ /********** Descriptor of DFU interface 0 Alternate setting 3 **************/
+ USBD_DFU_IF_DESC(3),
+#endif /* (USBD_DFU_MAX_ITF_NUM > 3) */
+
+#if (USBD_DFU_MAX_ITF_NUM > 4)
+ /********** Descriptor of DFU interface 0 Alternate setting 4 **************/
+ USBD_DFU_IF_DESC(4),
+#endif /* (USBD_DFU_MAX_ITF_NUM > 4) */
+
+#if (USBD_DFU_MAX_ITF_NUM > 5)
+ /********** Descriptor of DFU interface 0 Alternate setting 5 **************/
+ USBD_DFU_IF_DESC(5),
+#endif /* (USBD_DFU_MAX_ITF_NUM > 5) */
+
+#if (USBD_DFU_MAX_ITF_NUM > 6)
+#error "ERROR: usbd_dfu_core.c: Modify the file to support more descriptors!"
+#endif /* (USBD_DFU_MAX_ITF_NUM > 6) */
+
+ /******************** DFU Functional Descriptor********************/
+ 0x09, /*blength = 9 Bytes*/
+ DFU_DESCRIPTOR_TYPE, /* DFU Functional Descriptor*/
+ 0x0B, /*bmAttribute
+ bitCanDnload = 1 (bit 0)
+ bitCanUpload = 1 (bit 1)
+ bitManifestationTolerant = 0 (bit 2)
+ bitWillDetach = 1 (bit 3)
+ Reserved (bit4-6)
+ bitAcceleratedST = 0 (bit 7)*/
+ 0xFF, /*DetachTimeOut= 255 ms*/
+ 0x00,
+ /*WARNING: In DMA mode the multiple MPS packets feature is still not supported
+ ==> In this case, when using DMA USBD_DFU_XFER_SIZE should be set to 64 in usbd_conf.h */
+ TRANSFER_SIZE_BYTES(USBD_DFU_XFER_SIZE), /* TransferSize = 1024 Byte*/
+ 0x1A, /* bcdDFUVersion*/
+ 0x01
+ /***********************************************************/
+ /* 9*/
+};
+
+/* USB Standard Device Descriptor */
+__ALIGN_BEGIN static uint8_t USBD_DFU_DeviceQualifierDesc[USB_LEN_DEV_QUALIFIER_DESC] __ALIGN_END =
+{
+ USB_LEN_DEV_QUALIFIER_DESC,
+ USB_DESC_TYPE_DEVICE_QUALIFIER,
+ 0x00,
+ 0x02,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x40,
+ 0x01,
+ 0x00,
+};
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_DFU_Private_Functions
+ * @{
+ */
+
+/**
+ * @brief USBD_DFU_Init
+ * Initialize the DFU interface
+ * @param pdev: device instance
+ * @param cfgidx: Configuration index
+ * @retval status
+ */
+static uint8_t USBD_DFU_Init (USBD_HandleTypeDef *pdev,
+ uint8_t cfgidx)
+{
+ USBD_DFU_HandleTypeDef *hdfu;
+
+ /* Allocate Audio structure */
+ pdev->pClassData = USBD_malloc(sizeof (USBD_DFU_HandleTypeDef));
+
+ if(pdev->pClassData == NULL)
+ {
+ return USBD_FAIL;
+ }
+ else
+ {
+ hdfu = pdev->pClassData;
+
+ hdfu->alt_setting = 0;
+ hdfu->data_ptr = USBD_DFU_APP_DEFAULT_ADD;
+ hdfu->wblock_num = 0;
+ hdfu->wlength = 0;
+
+ hdfu->manif_state = DFU_MANIFEST_COMPLETE;
+ hdfu->dev_state = DFU_STATE_IDLE;
+
+ hdfu->dev_status[0] = DFU_ERROR_NONE;
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0;
+ hdfu->dev_status[4] = DFU_STATE_IDLE;
+ hdfu->dev_status[5] = 0;
+
+ /* Initialize Hardware layer */
+ if (((USBD_DFU_MediaTypeDef *)pdev->pUserData)->Init() != USBD_OK)
+ {
+ return USBD_FAIL;
+ }
+ }
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_DFU_Init
+ * DeInitialize the DFU layer
+ * @param pdev: device instance
+ * @param cfgidx: Configuration index
+ * @retval status
+ */
+static uint8_t USBD_DFU_DeInit (USBD_HandleTypeDef *pdev,
+ uint8_t cfgidx)
+{
+ USBD_DFU_HandleTypeDef *hdfu;
+ hdfu = pdev->pClassData;
+
+ hdfu->wblock_num = 0;
+ hdfu->wlength = 0;
+
+ hdfu->dev_state = DFU_STATE_IDLE;
+ hdfu->dev_status[0] = DFU_ERROR_NONE;
+ hdfu->dev_status[4] = DFU_STATE_IDLE;
+
+ /* DeInit physical Interface components */
+ if(pdev->pClassData != NULL)
+ {
+ /* De-Initialize Hardware layer */
+ ((USBD_DFU_MediaTypeDef *)pdev->pUserData)->DeInit();
+ USBD_free(pdev->pClassData);
+ pdev->pClassData = NULL;
+ }
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_DFU_Setup
+ * Handle the DFU specific requests
+ * @param pdev: instance
+ * @param req: usb requests
+ * @retval status
+ */
+static uint8_t USBD_DFU_Setup (USBD_HandleTypeDef *pdev,
+ USBD_SetupReqTypedef *req)
+{
+ uint8_t *pbuf = 0;
+ uint16_t len = 0;
+ uint8_t ret = USBD_OK;
+ USBD_DFU_HandleTypeDef *hdfu;
+
+ hdfu = pdev->pClassData;
+
+ switch (req->bmRequest & USB_REQ_TYPE_MASK)
+ {
+ case USB_REQ_TYPE_CLASS :
+ switch (req->bRequest)
+ {
+ case DFU_DNLOAD:
+ DFU_Download(pdev, req);
+ break;
+
+ case DFU_UPLOAD:
+ DFU_Upload(pdev, req);
+ break;
+
+ case DFU_GETSTATUS:
+ DFU_GetStatus(pdev);
+ break;
+
+ case DFU_CLRSTATUS:
+ DFU_ClearStatus(pdev);
+ break;
+
+ case DFU_GETSTATE:
+ DFU_GetState(pdev);
+ break;
+
+ case DFU_ABORT:
+ DFU_Abort(pdev);
+ break;
+
+ case DFU_DETACH:
+ DFU_Detach(pdev, req);
+ break;
+
+
+ default:
+ USBD_CtlError (pdev, req);
+ ret = USBD_FAIL;
+ }
+ break;
+
+ case USB_REQ_TYPE_STANDARD:
+ switch (req->bRequest)
+ {
+ case USB_REQ_GET_DESCRIPTOR:
+ if( (req->wValue >> 8) == DFU_DESCRIPTOR_TYPE)
+ {
+ pbuf = USBD_DFU_CfgDesc + (9 * (USBD_DFU_MAX_ITF_NUM + 1));
+ len = MIN(USB_DFU_DESC_SIZ , req->wLength);
+ }
+
+ USBD_CtlSendData (pdev,
+ pbuf,
+ len);
+ break;
+
+ case USB_REQ_GET_INTERFACE :
+ USBD_CtlSendData (pdev,
+ (uint8_t *)&hdfu->alt_setting,
+ 1);
+ break;
+
+ case USB_REQ_SET_INTERFACE :
+ if ((uint8_t)(req->wValue) < USBD_DFU_MAX_ITF_NUM)
+ {
+ hdfu->alt_setting = (uint8_t)(req->wValue);
+ }
+ else
+ {
+ /* Call the error management function (command will be nacked */
+ USBD_CtlError (pdev, req);
+ ret = USBD_FAIL;
+ }
+ break;
+
+ default:
+ USBD_CtlError (pdev, req);
+ ret = USBD_FAIL;
+ }
+ }
+ return ret;
+}
+
+
+/**
+ * @brief USBD_DFU_GetCfgDesc
+ * return configuration descriptor
+ * @param speed : current device speed
+ * @param length : pointer data length
+ * @retval pointer to descriptor buffer
+ */
+static uint8_t *USBD_DFU_GetCfgDesc (uint16_t *length)
+{
+ *length = sizeof (USBD_DFU_CfgDesc);
+ return USBD_DFU_CfgDesc;
+}
+
+/**
+ * @brief USBD_DFU_DataIn
+ * handle data IN Stage
+ * @param pdev: device instance
+ * @param epnum: endpoint index
+ * @retval status
+ */
+static uint8_t USBD_DFU_DataIn (USBD_HandleTypeDef *pdev,
+ uint8_t epnum)
+{
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_DFU_EP0_RxReady
+ * handle EP0 Rx Ready event
+ * @param pdev: device instance
+ * @retval status
+ */
+static uint8_t USBD_DFU_EP0_RxReady (USBD_HandleTypeDef *pdev)
+{
+
+ return USBD_OK;
+}
+/**
+ * @brief USBD_DFU_EP0_TxReady
+ * handle EP0 TRx Ready event
+ * @param pdev: device instance
+ * @retval status
+ */
+static uint8_t USBD_DFU_EP0_TxReady (USBD_HandleTypeDef *pdev)
+{
+ uint32_t addr;
+ USBD_SetupReqTypedef req;
+ USBD_DFU_HandleTypeDef *hdfu;
+
+ hdfu = pdev->pClassData;
+
+ if (hdfu->dev_state == DFU_STATE_DNLOAD_BUSY)
+ {
+ /* Decode the Special Command*/
+ if (hdfu->wblock_num == 0)
+ {
+ if ((hdfu->buffer.d8[0] == DFU_CMD_GETCOMMANDS) && (hdfu->wlength == 1))
+ {
+
+ }
+ else if (( hdfu->buffer.d8[0] == DFU_CMD_SETADDRESSPOINTER ) && (hdfu->wlength == 5))
+ {
+ hdfu->data_ptr = hdfu->buffer.d8[1];
+ hdfu->data_ptr += hdfu->buffer.d8[2] << 8;
+ hdfu->data_ptr += hdfu->buffer.d8[3] << 16;
+ hdfu->data_ptr += hdfu->buffer.d8[4] << 24;
+ }
+ else if (( hdfu->buffer.d8[0] == DFU_CMD_ERASE ) && (hdfu->wlength == 5))
+ {
+ hdfu->data_ptr = hdfu->buffer.d8[1];
+ hdfu->data_ptr += hdfu->buffer.d8[2] << 8;
+ hdfu->data_ptr += hdfu->buffer.d8[3] << 16;
+ hdfu->data_ptr += hdfu->buffer.d8[4] << 24;
+
+ if (((USBD_DFU_MediaTypeDef *)pdev->pUserData)->Erase(hdfu->data_ptr) != USBD_OK)
+ {
+ return USBD_FAIL;
+ }
+ }
+ else
+ {
+ /* Reset the global length and block number */
+ hdfu->wlength = 0;
+ hdfu->wblock_num = 0;
+ /* Call the error management function (command will be nacked) */
+ req.bmRequest = 0;
+ req.wLength = 1;
+ USBD_CtlError (pdev, &req);
+ }
+ }
+ /* Regular Download Command */
+ else if (hdfu->wblock_num > 1)
+ {
+ /* Decode the required address */
+ addr = ((hdfu->wblock_num - 2) * USBD_DFU_XFER_SIZE) + hdfu->data_ptr;
+
+ /* Preform the write operation */
+ if (((USBD_DFU_MediaTypeDef *)pdev->pUserData)->Write(hdfu->buffer.d8, (uint8_t *)addr, hdfu->wlength) != USBD_OK)
+ {
+ return USBD_FAIL;
+ }
+ }
+ /* Reset the global lenght and block number */
+ hdfu->wlength = 0;
+ hdfu->wblock_num = 0;
+
+ /* Update the state machine */
+ hdfu->dev_state = DFU_STATE_DNLOAD_SYNC;
+
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0;
+ hdfu->dev_status[4] = hdfu->dev_state;
+ return USBD_OK;
+ }
+ else if (hdfu->dev_state == DFU_STATE_MANIFEST)/* Manifestation in progress*/
+ {
+ /* Start leaving DFU mode */
+ DFU_Leave(pdev);
+ }
+
+ return USBD_OK;
+}
+/**
+ * @brief USBD_DFU_SOF
+ * handle SOF event
+ * @param pdev: device instance
+ * @retval status
+ */
+static uint8_t USBD_DFU_SOF (USBD_HandleTypeDef *pdev)
+{
+
+ return USBD_OK;
+}
+/**
+ * @brief USBD_DFU_IsoINIncomplete
+ * handle data ISO IN Incomplete event
+ * @param pdev: device instance
+ * @param epnum: endpoint index
+ * @retval status
+ */
+static uint8_t USBD_DFU_IsoINIncomplete (USBD_HandleTypeDef *pdev, uint8_t epnum)
+{
+
+ return USBD_OK;
+}
+/**
+ * @brief USBD_DFU_IsoOutIncomplete
+ * handle data ISO OUT Incomplete event
+ * @param pdev: device instance
+ * @param epnum: endpoint index
+ * @retval status
+ */
+static uint8_t USBD_DFU_IsoOutIncomplete (USBD_HandleTypeDef *pdev, uint8_t epnum)
+{
+
+ return USBD_OK;
+}
+/**
+ * @brief USBD_DFU_DataOut
+ * handle data OUT Stage
+ * @param pdev: device instance
+ * @param epnum: endpoint index
+ * @retval status
+ */
+static uint8_t USBD_DFU_DataOut (USBD_HandleTypeDef *pdev,
+ uint8_t epnum)
+{
+
+ return USBD_OK;
+}
+
+/**
+* @brief DeviceQualifierDescriptor
+* return Device Qualifier descriptor
+* @param length : pointer data length
+* @retval pointer to descriptor buffer
+*/
+static uint8_t *USBD_DFU_GetDeviceQualifierDesc (uint16_t *length)
+{
+ *length = sizeof (USBD_DFU_DeviceQualifierDesc);
+ return USBD_DFU_DeviceQualifierDesc;
+}
+
+/**
+ * @brief USBD_DFU_GetUsrStringDesc
+ * Manages the transfer of memory interfaces string descriptors.
+ * @param speed : current device speed
+ * @param index: desciptor index
+ * @param length : pointer data length
+ * @retval pointer to the descriptor table or NULL if the descriptor is not supported.
+ */
+#if (USBD_SUPPORT_USER_STRING == 1)
+static uint8_t* USBD_DFU_GetUsrStringDesc (USBD_HandleTypeDef *pdev, uint8_t index , uint16_t *length)
+{
+ static uint8_t USBD_StrDesc[255];
+ /* Check if the requested string interface is supported */
+ if (index <= (USBD_IDX_INTERFACE_STR + USBD_DFU_MAX_ITF_NUM))
+ {
+ USBD_GetString ((uint8_t *)((USBD_DFU_MediaTypeDef *)pdev->pUserData)->pStrDesc, USBD_StrDesc, length);
+ return USBD_StrDesc;
+ }
+ /* Not supported Interface Descriptor index */
+ else
+ {
+ return NULL;
+ }
+}
+#endif
+
+/**
+* @brief USBD_MSC_RegisterStorage
+* @param fops: storage callback
+* @retval status
+*/
+uint8_t USBD_DFU_RegisterMedia (USBD_HandleTypeDef *pdev,
+ USBD_DFU_MediaTypeDef *fops)
+{
+ if(fops != NULL)
+ {
+ pdev->pUserData= fops;
+ }
+ return 0;
+}
+
+/******************************************************************************
+ DFU Class requests management
+******************************************************************************/
+/**
+ * @brief DFU_Detach
+ * Handles the DFU DETACH request.
+ * @param pdev: device instance
+ * @param req: pointer to the request structure.
+ * @retval None.
+ */
+static void DFU_Detach(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ USBD_DFU_HandleTypeDef *hdfu;
+
+ hdfu = pdev->pClassData;
+
+ if (hdfu->dev_state == DFU_STATE_IDLE || hdfu->dev_state == DFU_STATE_DNLOAD_SYNC
+ || hdfu->dev_state == DFU_STATE_DNLOAD_IDLE || hdfu->dev_state == DFU_STATE_MANIFEST_SYNC
+ || hdfu->dev_state == DFU_STATE_UPLOAD_IDLE )
+ {
+ /* Update the state machine */
+ hdfu->dev_state = DFU_STATE_IDLE;
+ hdfu->dev_status[0] = DFU_ERROR_NONE;
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0; /*bwPollTimeout=0ms*/
+ hdfu->dev_status[4] = hdfu->dev_state;
+ hdfu->dev_status[5] = 0; /*iString*/
+ hdfu->wblock_num = 0;
+ hdfu->wlength = 0;
+ }
+
+ /* Check the detach capability in the DFU functional descriptor */
+ if ((USBD_DFU_CfgDesc[12 + (9 * USBD_DFU_MAX_ITF_NUM)]) & DFU_DETACH_MASK)
+ {
+ /* Perform an Attach-Detach operation on USB bus */
+ USBD_Stop (pdev);
+ USBD_Start (pdev);
+ }
+ else
+ {
+ /* Wait for the period of time specified in Detach request */
+ USBD_Delay (req->wValue);
+ }
+}
+
+/**
+ * @brief DFU_Download
+ * Handles the DFU DNLOAD request.
+ * @param pdev: device instance
+ * @param req: pointer to the request structure
+ * @retval None
+ */
+static void DFU_Download(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ USBD_DFU_HandleTypeDef *hdfu;
+
+ hdfu = pdev->pClassData;
+
+ /* Data setup request */
+ if (req->wLength > 0)
+ {
+ if ((hdfu->dev_state == DFU_STATE_IDLE) || (hdfu->dev_state == DFU_STATE_DNLOAD_IDLE))
+ {
+ /* Update the global length and block number */
+ hdfu->wblock_num = req->wValue;
+ hdfu->wlength = req->wLength;
+
+ /* Update the state machine */
+ hdfu->dev_state = DFU_STATE_DNLOAD_SYNC;
+ hdfu->dev_status[4] = hdfu->dev_state;
+
+ /* Prepare the reception of the buffer over EP0 */
+ USBD_CtlPrepareRx (pdev,
+ (uint8_t*)hdfu->buffer.d8,
+ hdfu->wlength);
+ }
+ /* Unsupported state */
+ else
+ {
+ /* Call the error management function (command will be nacked */
+ USBD_CtlError (pdev, req);
+ }
+ }
+ /* 0 Data DNLOAD request */
+ else
+ {
+ /* End of DNLOAD operation*/
+ if (hdfu->dev_state == DFU_STATE_DNLOAD_IDLE || hdfu->dev_state == DFU_STATE_IDLE )
+ {
+ hdfu->manif_state = DFU_MANIFEST_IN_PROGRESS;
+ hdfu->dev_state = DFU_STATE_MANIFEST_SYNC;
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0;
+ hdfu->dev_status[4] = hdfu->dev_state;
+ }
+ else
+ {
+ /* Call the error management function (command will be nacked */
+ USBD_CtlError (pdev, req);
+ }
+ }
+}
+
+/**
+ * @brief DFU_Upload
+ * Handles the DFU UPLOAD request.
+ * @param pdev: instance
+ * @param req: pointer to the request structure
+ * @retval status
+ */
+static void DFU_Upload(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ USBD_DFU_HandleTypeDef *hdfu;
+
+ hdfu = pdev->pClassData;
+
+ uint8_t *phaddr = NULL;
+ uint32_t addr = 0;
+
+ /* Data setup request */
+ if (req->wLength > 0)
+ {
+ if ((hdfu->dev_state == DFU_STATE_IDLE) || (hdfu->dev_state == DFU_STATE_UPLOAD_IDLE))
+ {
+ /* Update the global langth and block number */
+ hdfu->wblock_num = req->wValue;
+ hdfu->wlength = req->wLength;
+
+ /* DFU Get Command */
+ if (hdfu->wblock_num == 0)
+ {
+ /* Update the state machine */
+ hdfu->dev_state = (hdfu->wlength > 3)? DFU_STATE_IDLE:DFU_STATE_UPLOAD_IDLE;
+
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0;
+ hdfu->dev_status[4] = hdfu->dev_state;
+
+ /* Store the values of all supported commands */
+ hdfu->buffer.d8[0] = DFU_CMD_GETCOMMANDS;
+ hdfu->buffer.d8[1] = DFU_CMD_SETADDRESSPOINTER;
+ hdfu->buffer.d8[2] = DFU_CMD_ERASE;
+
+ /* Send the status data over EP0 */
+ USBD_CtlSendData (pdev,
+ (uint8_t *)(&(hdfu->buffer.d8[0])),
+ 3);
+ }
+ else if (hdfu->wblock_num > 1)
+ {
+ hdfu->dev_state = DFU_STATE_UPLOAD_IDLE ;
+
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0;
+ hdfu->dev_status[4] = hdfu->dev_state;
+
+ addr = ((hdfu->wblock_num - 2) * USBD_DFU_XFER_SIZE) + hdfu->data_ptr; /* Change is Accelerated*/
+
+ /* Return the physical address where data are stored */
+ phaddr = ((USBD_DFU_MediaTypeDef *)pdev->pUserData)->Read((uint8_t *)addr, hdfu->buffer.d8, hdfu->wlength);
+
+ /* Send the status data over EP0 */
+ USBD_CtlSendData (pdev,
+ phaddr,
+ hdfu->wlength);
+ }
+ else /* unsupported hdfu->wblock_num */
+ {
+ hdfu->dev_state = DFU_ERROR_STALLEDPKT;
+
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0;
+ hdfu->dev_status[4] = hdfu->dev_state;
+
+ /* Call the error management function (command will be nacked */
+ USBD_CtlError (pdev, req);
+ }
+ }
+ /* Unsupported state */
+ else
+ {
+ hdfu->wlength = 0;
+ hdfu->wblock_num = 0;
+ /* Call the error management function (command will be nacked */
+ USBD_CtlError (pdev, req);
+ }
+ }
+ /* No Data setup request */
+ else
+ {
+ hdfu->dev_state = DFU_STATE_IDLE;
+
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0;
+ hdfu->dev_status[4] = hdfu->dev_state;
+ }
+}
+
+/**
+ * @brief DFU_GetStatus
+ * Handles the DFU GETSTATUS request.
+ * @param pdev: instance
+ * @retval status
+ */
+static void DFU_GetStatus(USBD_HandleTypeDef *pdev)
+{
+ USBD_DFU_HandleTypeDef *hdfu;
+
+ hdfu = pdev->pClassData;
+
+ switch (hdfu->dev_state)
+ {
+ case DFU_STATE_DNLOAD_SYNC:
+ if (hdfu->wlength != 0)
+ {
+ hdfu->dev_state = DFU_STATE_DNLOAD_BUSY;
+
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0;
+ hdfu->dev_status[4] = hdfu->dev_state;
+
+ if ((hdfu->wblock_num == 0) && (hdfu->buffer.d8[0] == DFU_CMD_ERASE))
+ {
+ ((USBD_DFU_MediaTypeDef *)pdev->pUserData)->GetStatus(hdfu->data_ptr, DFU_MEDIA_ERASE, hdfu->dev_status);
+ }
+ else
+ {
+ ((USBD_DFU_MediaTypeDef *)pdev->pUserData)->GetStatus(hdfu->data_ptr, DFU_MEDIA_PROGRAM, hdfu->dev_status);
+ }
+ }
+ else /* (hdfu->wlength==0)*/
+ {
+ hdfu->dev_state = DFU_STATE_DNLOAD_IDLE;
+
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0;
+ hdfu->dev_status[4] = hdfu->dev_state;
+ }
+ break;
+
+ case DFU_STATE_MANIFEST_SYNC :
+ if (hdfu->manif_state == DFU_MANIFEST_IN_PROGRESS)
+ {
+ hdfu->dev_state = DFU_STATE_MANIFEST;
+
+ hdfu->dev_status[1] = 1; /*bwPollTimeout = 1ms*/
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0;
+ hdfu->dev_status[4] = hdfu->dev_state;
+ }
+ else if ((hdfu->manif_state == DFU_MANIFEST_COMPLETE) && \
+ ((USBD_DFU_CfgDesc[(11 + (9 * USBD_DFU_MAX_ITF_NUM))]) & 0x04))
+ {
+ hdfu->dev_state = DFU_STATE_IDLE;
+
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0;
+ hdfu->dev_status[4] = hdfu->dev_state;
+ }
+ break;
+
+ default :
+ break;
+ }
+
+ /* Send the status data over EP0 */
+ USBD_CtlSendData (pdev,
+ (uint8_t *)(&(hdfu->dev_status[0])),
+ 6);
+}
+
+/**
+ * @brief DFU_ClearStatus
+ * Handles the DFU CLRSTATUS request.
+ * @param pdev: device instance
+ * @retval status
+ */
+static void DFU_ClearStatus(USBD_HandleTypeDef *pdev)
+{
+ USBD_DFU_HandleTypeDef *hdfu;
+
+ hdfu = pdev->pClassData;
+
+ if (hdfu->dev_state == DFU_STATE_ERROR)
+ {
+ hdfu->dev_state = DFU_STATE_IDLE;
+ hdfu->dev_status[0] = DFU_ERROR_NONE;/*bStatus*/
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0; /*bwPollTimeout=0ms*/
+ hdfu->dev_status[4] = hdfu->dev_state;/*bState*/
+ hdfu->dev_status[5] = 0;/*iString*/
+ }
+ else
+ { /*State Error*/
+ hdfu->dev_state = DFU_STATE_ERROR;
+ hdfu->dev_status[0] = DFU_ERROR_UNKNOWN;/*bStatus*/
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0; /*bwPollTimeout=0ms*/
+ hdfu->dev_status[4] = hdfu->dev_state;/*bState*/
+ hdfu->dev_status[5] = 0;/*iString*/
+ }
+}
+
+/**
+ * @brief DFU_GetState
+ * Handles the DFU GETSTATE request.
+ * @param pdev: device instance
+ * @retval None
+ */
+static void DFU_GetState(USBD_HandleTypeDef *pdev)
+{
+ USBD_DFU_HandleTypeDef *hdfu;
+
+ hdfu = pdev->pClassData;
+
+ /* Return the current state of the DFU interface */
+ USBD_CtlSendData (pdev,
+ &hdfu->dev_state,
+ 1);
+}
+
+/**
+ * @brief DFU_Abort
+ * Handles the DFU ABORT request.
+ * @param pdev: device instance
+ * @retval None
+ */
+static void DFU_Abort(USBD_HandleTypeDef *pdev)
+{
+ USBD_DFU_HandleTypeDef *hdfu;
+
+ hdfu = pdev->pClassData;
+
+ if (hdfu->dev_state == DFU_STATE_IDLE || hdfu->dev_state == DFU_STATE_DNLOAD_SYNC
+ || hdfu->dev_state == DFU_STATE_DNLOAD_IDLE || hdfu->dev_state == DFU_STATE_MANIFEST_SYNC
+ || hdfu->dev_state == DFU_STATE_UPLOAD_IDLE )
+ {
+ hdfu->dev_state = DFU_STATE_IDLE;
+ hdfu->dev_status[0] = DFU_ERROR_NONE;
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0; /*bwPollTimeout=0ms*/
+ hdfu->dev_status[4] = hdfu->dev_state;
+ hdfu->dev_status[5] = 0; /*iString*/
+ hdfu->wblock_num = 0;
+ hdfu->wlength = 0;
+ }
+}
+
+/**
+ * @brief DFU_Leave
+ * Handles the sub-protocol DFU leave DFU mode request (leaves DFU mode
+ * and resets device to jump to user loaded code).
+ * @param pdev: device instance
+ * @retval None
+ */
+void DFU_Leave(USBD_HandleTypeDef *pdev)
+{
+ USBD_DFU_HandleTypeDef *hdfu;
+
+ hdfu = pdev->pClassData;
+
+ hdfu->manif_state = DFU_MANIFEST_COMPLETE;
+
+ if ((USBD_DFU_CfgDesc[(11 + (9 * USBD_DFU_MAX_ITF_NUM))]) & 0x04)
+ {
+ hdfu->dev_state = DFU_STATE_MANIFEST_SYNC;
+
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0;
+ hdfu->dev_status[4] = hdfu->dev_state;
+ return;
+ }
+ else
+ {
+
+ hdfu->dev_state = DFU_STATE_MANIFEST_WAIT_RESET;
+
+ hdfu->dev_status[1] = 0;
+ hdfu->dev_status[2] = 0;
+ hdfu->dev_status[3] = 0;
+ hdfu->dev_status[4] = hdfu->dev_state;
+
+ /* Disconnect the USB device */
+ USBD_Stop (pdev);
+
+ /* DeInitilialize the MAL(Media Access Layer) */
+ ((USBD_DFU_MediaTypeDef *)pdev->pUserData)->DeInit();
+
+ /* Generate system reset to allow jumping to the user code */
+ NVIC_SystemReset();
+
+ /* This instruction will not be reached (system reset) */
+ for(;;);
+ }
+}
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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