--- /dev/null
+/**
+ ******************************************************************************
+ * @file usbd_dfu_core.c
+ * @author MCD Application Team
+ * @version V1.0.0
+ * @date 22-July-2011
+ * @brief This file provides the high layer firmware functions to manage the
+ * following functionalities of the USB DFU Class:
+ * - Initialization and Configuration of high and low layer
+ * - Enumeration as DFU Device (and enumeration for each implemented memory interface)
+ * - Transfers to/from memory interfaces
+ * - Easy-to-customize "plug-in-like" modules for adding/removing memory interfaces.
+ * - Error management
+ *
+ * @verbatim
+ *
+ * ===================================================================
+ * DFU Class Driver Description
+ * ===================================================================
+ * This driver manages the DFU class V1.1 following the "Device Class Specification for
+ * Device Firmware Upgrade Version 1.1 Aug 5, 2004".
+ * This driver implements the following aspects of the specification:
+ * - Device descriptor management
+ * - Configuration descriptor management
+ * - Enumeration as DFU device (in DFU mode only)
+ * - Requests management (supporting ST DFU sub-protocol)
+ * - Memory operations management (Download/Upload/Erase/Detach/GetState/GetStatus)
+ * - DFU state machine implementation.
+ *
+ * @note
+ * ST DFU sub-protocol is compliant with DFU protocol and use sub-requests to manage
+ * memory addressing, commands processing, specific memories operations (ie. Erase) ...
+ * As required by the DFU specification, only endpoint 0 is used in this application.
+ * Other endpoints and functions may be added to the application (ie. DFU ...)
+ *
+ * These aspects may be enriched or modified for a specific user application.
+ *
+ * This driver doesn't implement the following aspects of the specification
+ * (but it is possible to manage these features with some modifications on this driver):
+ * - Manifestation Tolerant mode
+ *
+ * @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+ * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+ * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+ * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+ * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+ * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+ *
+ * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_dfu_core.h"
+#include "usbd_desc.h"
+#include "usbd_req.h"
+#include "usb_bsp.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
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup usbd_dfu_Private_FunctionPrototypes
+ * @{
+ */
+
+/*********************************************
+ DFU Device library callbacks
+ *********************************************/
+static uint8_t usbd_dfu_Init (void *pdev,
+ uint8_t cfgidx);
+
+static uint8_t usbd_dfu_DeInit (void *pdev,
+ uint8_t cfgidx);
+
+static uint8_t usbd_dfu_Setup (void *pdev,
+ USB_SETUP_REQ *req);
+
+static uint8_t EP0_TxSent (void *pdev);
+
+static uint8_t EP0_RxReady (void *pdev);
+
+
+static uint8_t *USBD_DFU_GetCfgDesc (uint8_t speed,
+ uint16_t *length);
+
+
+#ifdef USB_OTG_HS_CORE
+static uint8_t *USBD_DFU_GetOtherCfgDesc (uint8_t speed,
+ uint16_t *length);
+#endif
+
+static uint8_t* USBD_DFU_GetUsrStringDesc (uint8_t speed,
+ uint8_t index ,
+ uint16_t *length);
+
+/*********************************************
+ DFU Requests management functions
+ *********************************************/
+static void DFU_Req_DETACH (void *pdev,
+ USB_SETUP_REQ *req);
+
+static void DFU_Req_DNLOAD (void *pdev,
+ USB_SETUP_REQ *req);
+
+static void DFU_Req_UPLOAD (void *pdev,
+ USB_SETUP_REQ *req);
+
+static void DFU_Req_GETSTATUS (void *pdev);
+
+static void DFU_Req_CLRSTATUS (void *pdev);
+
+static void DFU_Req_GETSTATE (void *pdev);
+
+static void DFU_Req_ABORT (void *pdev);
+
+static void DFU_LeaveDFUMode (void *pdev);
+
+/**
+ * @}
+ */
+
+/** @defgroup usbd_dfu_Private_Variables
+ * @{
+ */
+#ifdef USB_OTG_HS_INTERNAL_DMA_ENABLED
+ #if defined ( __ICCARM__ ) /*!< IAR Compiler */
+ #pragma data_alignment=4
+ #endif
+#endif /* USB_OTG_HS_INTERNAL_DMA_ENABLED */
+__ALIGN_BEGIN uint8_t usbd_dfu_CfgDesc[USB_DFU_CONFIG_DESC_SIZ] __ALIGN_END ;
+
+
+#ifdef USB_OTG_HS_INTERNAL_DMA_ENABLED
+ #if defined ( __ICCARM__ ) /*!< IAR Compiler */
+ #pragma data_alignment=4
+ #endif
+#endif /* USB_OTG_HS_INTERNAL_DMA_ENABLED */
+__ALIGN_BEGIN uint8_t usbd_dfu_OtherCfgDesc[USB_DFU_CONFIG_DESC_SIZ] __ALIGN_END ;
+
+/* The list of Interface String descriptor pointers is defined in usbd_dfu_mal.c
+ file. This list can be updated whenever a memory has to be added or removed */
+extern const uint8_t* usbd_dfu_StringDesc[];
+
+/* State Machine variables */
+uint8_t DeviceState;
+uint8_t DeviceStatus[6];
+uint32_t Manifest_State = Manifest_complete;
+/* Data Management variables */
+static uint32_t wBlockNum = 0, wlength = 0;
+static uint32_t Pointer = APP_DEFAULT_ADD; /* Base Address to Erase, Program or Read */
+static __IO uint32_t usbd_dfu_AltSet = 0;
+
+extern uint8_t MAL_Buffer[];
+
+/* DFU interface class callbacks structure */
+USBD_Class_cb_TypeDef DFU_cb =
+{
+ usbd_dfu_Init,
+ usbd_dfu_DeInit,
+ usbd_dfu_Setup,
+ EP0_TxSent,
+ EP0_RxReady,
+ NULL, /* DataIn, */
+ NULL, /* DataOut, */
+ NULL, /*SOF */
+ NULL,
+ NULL,
+ USBD_DFU_GetCfgDesc,
+#ifdef USB_OTG_HS_CORE
+ USBD_DFU_GetOtherCfgDesc, /* use same cobfig as per FS */
+#endif
+ USBD_DFU_GetUsrStringDesc,
+};
+
+#ifdef USB_OTG_HS_INTERNAL_DMA_ENABLED
+ #if defined ( __ICCARM__ ) /*!< IAR Compiler */
+ #pragma data_alignment=4
+ #endif
+#endif /* USB_OTG_HS_INTERNAL_DMA_ENABLED */
+/* USB DFU device Configuration Descriptor */
+__ALIGN_BEGIN uint8_t usbd_dfu_CfgDesc[USB_DFU_CONFIG_DESC_SIZ] __ALIGN_END =
+{
+ 0x09, /* bLength: Configuation Descriptor size */
+ USB_CONFIGURATION_DESCRIPTOR_TYPE, /* 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_ITF_MAX_NUM > 1)
+ /********** Descriptor of DFU interface 0 Alternate setting 1 **************/
+ USBD_DFU_IF_DESC(1),
+#endif /* (USBD_ITF_MAX_NUM > 1) */
+
+#if (USBD_ITF_MAX_NUM > 2)
+ /********** Descriptor of DFU interface 0 Alternate setting 2 **************/
+ USBD_DFU_IF_DESC(2),
+#endif /* (USBD_ITF_MAX_NUM > 2) */
+
+#if (USBD_ITF_MAX_NUM > 3)
+ /********** Descriptor of DFU interface 0 Alternate setting 3 **************/
+ USBD_DFU_IF_DESC(3),
+#endif /* (USBD_ITF_MAX_NUM > 3) */
+
+#if (USBD_ITF_MAX_NUM > 4)
+ /********** Descriptor of DFU interface 0 Alternate setting 4 **************/
+ USBD_DFU_IF_DESC(4),
+#endif /* (USBD_ITF_MAX_NUM > 4) */
+
+#if (USBD_ITF_MAX_NUM > 5)
+ /********** Descriptor of DFU interface 0 Alternate setting 5 **************/
+ USBD_DFU_IF_DESC(5),
+#endif /* (USBD_ITF_MAX_NUM > 5) */
+
+#if (USBD_ITF_MAX_NUM > 6)
+#error "ERROR: usbd_dfu_core.c: Modify the file to support more descriptors!"
+#endif /* (USBD_ITF_MAX_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 XFERSIZE should be set to 64 in usbd_conf.h */
+ TRANSFER_SIZE_BYTES(XFERSIZE), /* TransferSize = 1024 Byte*/
+ 0x1A, /* bcdDFUVersion*/
+ 0x01
+ /***********************************************************/
+ /* 9*/
+} ;
+
+#ifdef USE_USB_OTG_HS
+#ifdef USB_OTG_HS_INTERNAL_DMA_ENABLED
+ #if defined ( __ICCARM__ ) /*!< IAR Compiler */
+ #pragma data_alignment=4
+ #endif
+#endif /* USB_OTG_HS_INTERNAL_DMA_ENABLED */
+
+__ALIGN_BEGIN uint8_t usbd_dfu_OtherCfgDesc[USB_DFU_CONFIG_DESC_SIZ] __ALIGN_END =
+{
+ 0x09, /* bLength: Configuation Descriptor size */
+ USB_DESC_TYPE_OTHER_SPEED_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_ITF_MAX_NUM > 1)
+ /********** Descriptor of DFU interface 0 Alternate setting 1 **************/
+ USBD_DFU_IF_DESC(1),
+#endif /* (USBD_ITF_MAX_NUM > 1) */
+
+#if (USBD_ITF_MAX_NUM > 2)
+ /********** Descriptor of DFU interface 0 Alternate setting 2 **************/
+ USBD_DFU_IF_DESC(2),
+#endif /* (USBD_ITF_MAX_NUM > 2) */
+
+#if (USBD_ITF_MAX_NUM > 3)
+ /********** Descriptor of DFU interface 0 Alternate setting 3 **************/
+ USBD_DFU_IF_DESC(3),
+#endif /* (USBD_ITF_MAX_NUM > 3) */
+
+#if (USBD_ITF_MAX_NUM > 4)
+ /********** Descriptor of DFU interface 0 Alternate setting 4 **************/
+ USBD_DFU_IF_DESC(4),
+#endif /* (USBD_ITF_MAX_NUM > 4) */
+
+#if (USBD_ITF_MAX_NUM > 5)
+ /********** Descriptor of DFU interface 0 Alternate setting 5 **************/
+ USBD_DFU_IF_DESC(5),
+#endif /* (USBD_ITF_MAX_NUM > 5) */
+
+#if (USBD_ITF_MAX_NUM > 6)
+#error "ERROR: usbd_dfu_core.c: Modify the file to support more descriptors!"
+#endif /* (USBD_ITF_MAX_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 XFERSIZE should be set to 64 in usbd_conf.h */
+ TRANSFER_SIZE_BYTES(XFERSIZE), /* TransferSize = 1024 Byte*/
+ 0x1A, /* bcdDFUVersion*/
+ 0x01
+ /***********************************************************/
+ /* 9*/
+};
+#endif /* USE_USB_OTG_HS */
+
+#ifdef USB_OTG_HS_INTERNAL_DMA_ENABLED
+ #if defined ( __ICCARM__ ) /*!< IAR Compiler */
+ #pragma data_alignment=4
+ #endif
+
+__ALIGN_BEGIN static uint8_t usbd_dfu_Desc[USB_DFU_DESC_SIZ] __ALIGN_END =
+{
+ 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 XFERSIZE should be set to 64 in usbd_conf.h */
+ TRANSFER_SIZE_BYTES(XFERSIZE), /* TransferSize = 1024 Byte*/
+ 0x1A, /* bcdDFUVersion*/
+ 0x01
+};
+#endif /* USB_OTG_HS_INTERNAL_DMA_ENABLED */
+
+/**
+ * @}
+ */
+
+/** @defgroup usbd_dfu_Private_Functions
+ * @{
+ */
+
+/**
+ * @brief usbd_dfu_Init
+ * Initializes the DFU interface.
+ * @param pdev: device instance
+ * @param cfgidx: Configuration index
+ * @retval status
+ */
+static uint8_t usbd_dfu_Init (void *pdev,
+ uint8_t cfgidx)
+{
+ /* Initilialize the MAL(Media Access Layer) */
+ MAL_Init();
+
+ /* Initialize the state of the DFU interface */
+ DeviceState = STATE_dfuIDLE;
+ DeviceStatus[0] = STATUS_OK;
+ DeviceStatus[4] = DeviceState;
+
+ return USBD_OK;
+}
+
+/**
+ * @brief usbd_dfu_Init
+ * De-initializes the DFU layer.
+ * @param pdev: device instance
+ * @param cfgidx: Configuration index
+ * @retval status
+ */
+static uint8_t usbd_dfu_DeInit (void *pdev,
+ uint8_t cfgidx)
+{
+ /* Restore default state */
+ DeviceState = STATE_dfuIDLE;
+ DeviceStatus[0] = STATUS_OK;
+ DeviceStatus[4] = DeviceState;
+ wBlockNum = 0;
+ wlength = 0;
+
+ /* DeInitilialize the MAL(Media Access Layer) */
+ MAL_DeInit();
+
+ return USBD_OK;
+}
+
+/**
+ * @brief usbd_dfu_Setup
+ * Handles the DFU request parsing.
+ * @param pdev: instance
+ * @param req: usb requests
+ * @retval status
+ */
+static uint8_t usbd_dfu_Setup (void *pdev,
+ USB_SETUP_REQ *req)
+{
+ uint16_t len = 0;
+ uint8_t *pbuf = NULL;
+
+ switch (req->bmRequest & USB_REQ_TYPE_MASK)
+ {
+ /* DFU Class Requests -------------------------------*/
+ case USB_REQ_TYPE_CLASS :
+ switch (req->bRequest)
+ {
+ case DFU_DNLOAD:
+ DFU_Req_DNLOAD(pdev, req);
+ break;
+
+ case DFU_UPLOAD:
+ DFU_Req_UPLOAD(pdev, req);
+ break;
+
+ case DFU_GETSTATUS:
+ DFU_Req_GETSTATUS(pdev);
+ break;
+
+ case DFU_CLRSTATUS:
+ DFU_Req_CLRSTATUS(pdev);
+ break;
+
+ case DFU_GETSTATE:
+ DFU_Req_GETSTATE(pdev);
+ break;
+
+ case DFU_ABORT:
+ DFU_Req_ABORT(pdev);
+ break;
+
+ case DFU_DETACH:
+ DFU_Req_DETACH(pdev, req);
+ break;
+
+ default:
+ USBD_CtlError (pdev, req);
+ return USBD_FAIL;
+ }
+ break;
+
+ /* Standard Requests -------------------------------*/
+ case USB_REQ_TYPE_STANDARD:
+ switch (req->bRequest)
+ {
+ case USB_REQ_GET_DESCRIPTOR:
+ if( (req->wValue >> 8) == DFU_DESCRIPTOR_TYPE)
+ {
+#ifdef USB_OTG_HS_INTERNAL_DMA_ENABLED
+ pbuf = usbd_dfu_Desc;
+#else
+ pbuf = usbd_dfu_CfgDesc + 9 + (9 * USBD_ITF_MAX_NUM);
+#endif
+ len = MIN(USB_DFU_DESC_SIZ , req->wLength);
+ }
+
+ USBD_CtlSendData (pdev,
+ pbuf,
+ len);
+ break;
+
+ case USB_REQ_GET_INTERFACE :
+ USBD_CtlSendData (pdev,
+ (uint8_t *)&usbd_dfu_AltSet,
+ 1);
+ break;
+
+ case USB_REQ_SET_INTERFACE :
+ if ((uint8_t)(req->wValue) < USBD_ITF_MAX_NUM)
+ {
+ usbd_dfu_AltSet = (uint8_t)(req->wValue);
+ }
+ else
+ {
+ /* Call the error management function (command will be nacked */
+ USBD_CtlError (pdev, req);
+ }
+ break;
+ }
+ }
+ return USBD_OK;
+}
+
+/**
+ * @brief EP0_TxSent
+ * Handles the DFU control endpoint data IN stage.
+ * @param pdev: device instance
+ * @retval status
+ */
+static uint8_t EP0_TxSent (void *pdev)
+{
+ uint32_t Addr;
+ USB_SETUP_REQ req;
+
+ if (DeviceState == STATE_dfuDNBUSY)
+ {
+ /* Decode the Special Command*/
+ if (wBlockNum == 0)
+ {
+ if ((MAL_Buffer[0] == CMD_GETCOMMANDS) && (wlength == 1))
+ {}
+ else if (( MAL_Buffer[0] == CMD_SETADDRESSPOINTER ) && (wlength == 5))
+ {
+ Pointer = MAL_Buffer[1];
+ Pointer += MAL_Buffer[2] << 8;
+ Pointer += MAL_Buffer[3] << 16;
+ Pointer += MAL_Buffer[4] << 24;
+ }
+ else if (( MAL_Buffer[0] == CMD_ERASE ) && (wlength == 5))
+ {
+ Pointer = MAL_Buffer[1];
+ Pointer += MAL_Buffer[2] << 8;
+ Pointer += MAL_Buffer[3] << 16;
+ Pointer += MAL_Buffer[4] << 24;
+ MAL_Erase(Pointer);
+ }
+ else
+ {
+ /* Reset the global length and block number */
+ wlength = 0;
+ wBlockNum = 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 (wBlockNum > 1)
+ {
+ /* Decode the required address */
+ Addr = ((wBlockNum - 2) * XFERSIZE) + Pointer;
+
+ /* Preform the write operation */
+ MAL_Write(Addr, wlength);
+ }
+ /* Reset the global lenght and block number */
+ wlength = 0;
+ wBlockNum = 0;
+
+ /* Update the state machine */
+ DeviceState = STATE_dfuDNLOAD_SYNC;
+ DeviceStatus[4] = DeviceState;
+ DeviceStatus[1] = 0;
+ DeviceStatus[2] = 0;
+ DeviceStatus[3] = 0;
+ return USBD_OK;
+ }
+ else if (DeviceState == STATE_dfuMANIFEST)/* Manifestation in progress*/
+ {
+ /* Start leaving DFU mode */
+ DFU_LeaveDFUMode(pdev);
+ }
+
+ return USBD_OK;
+}
+
+/**
+ * @brief EP0_RxReady
+ * Handles the DFU control endpoint data OUT stage.
+ * @param pdev: device instance
+ * @retval status
+ */
+static uint8_t EP0_RxReady (void *pdev)
+{
+ return USBD_OK;
+}
+
+
+/******************************************************************************
+ DFU Class requests management
+******************************************************************************/
+/**
+ * @brief DFU_Req_DETACH
+ * Handles the DFU DETACH request.
+ * @param pdev: device instance
+ * @param req: pointer to the request structure.
+ * @retval None.
+ */
+static void DFU_Req_DETACH(void *pdev, USB_SETUP_REQ *req)
+{
+ if (DeviceState == STATE_dfuIDLE || DeviceState == STATE_dfuDNLOAD_SYNC
+ || DeviceState == STATE_dfuDNLOAD_IDLE || DeviceState == STATE_dfuMANIFEST_SYNC
+ || DeviceState == STATE_dfuUPLOAD_IDLE )
+ {
+ /* Update the state machine */
+ DeviceState = STATE_dfuIDLE;
+ DeviceStatus[0] = STATUS_OK;
+ DeviceStatus[1] = 0;
+ DeviceStatus[2] = 0;
+ DeviceStatus[3] = 0; /*bwPollTimeout=0ms*/
+ DeviceStatus[4] = DeviceState;
+ DeviceStatus[5] = 0; /*iString*/
+ wBlockNum = 0;
+ wlength = 0;
+ }
+
+ /* Check the detach capability in the DFU functional descriptor */
+ if ((usbd_dfu_CfgDesc[12 + (9 * USBD_ITF_MAX_NUM)]) & DFU_DETACH_MASK)
+ {
+ /* Perform an Attach-Detach operation on USB bus */
+ DCD_DevDisconnect (pdev);
+ DCD_DevConnect (pdev);
+ }
+ else
+ {
+ /* Wait for the period of time specified in Detach request */
+ USB_OTG_BSP_mDelay (req->wValue);
+ }
+}
+
+/**
+ * @brief DFU_Req_DNLOAD
+ * Handles the DFU DNLOAD request.
+ * @param pdev: device instance
+ * @param req: pointer to the request structure
+ * @retval None
+ */
+static void DFU_Req_DNLOAD(void *pdev, USB_SETUP_REQ *req)
+{
+ /* Data setup request */
+ if (req->wLength > 0)
+ {
+ if ((DeviceState == STATE_dfuIDLE) || (DeviceState == STATE_dfuDNLOAD_IDLE))
+ {
+ /* Update the global length and block number */
+ wBlockNum = req->wValue;
+ wlength = req->wLength;
+
+ /* Update the state machine */
+ DeviceState = STATE_dfuDNLOAD_SYNC;
+ DeviceStatus[4] = DeviceState;
+
+ /* Prepare the reception of the buffer over EP0 */
+ USBD_CtlPrepareRx (pdev,
+ (uint8_t*)MAL_Buffer,
+ 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 (DeviceState == STATE_dfuDNLOAD_IDLE || DeviceState == STATE_dfuIDLE )
+ {
+ Manifest_State = Manifest_In_Progress;
+ DeviceState = STATE_dfuMANIFEST_SYNC;
+ DeviceStatus[1] = 0;
+ DeviceStatus[2] = 0;
+ DeviceStatus[3] = 0;
+ DeviceStatus[4] = DeviceState;
+ }
+ else
+ {
+ /* Call the error management function (command will be nacked */
+ USBD_CtlError (pdev, req);
+ }
+ }
+}
+
+/**
+ * @brief DFU_Req_UPLOAD
+ * Handles the DFU UPLOAD request.
+ * @param pdev: instance
+ * @param req: pointer to the request structure
+ * @retval status
+ */
+static void DFU_Req_UPLOAD(void *pdev, USB_SETUP_REQ *req)
+{
+ uint8_t *Phy_Addr = NULL;
+ uint32_t Addr = 0;
+
+ /* Data setup request */
+ if (req->wLength > 0)
+ {
+ if ((DeviceState == STATE_dfuIDLE) || (DeviceState == STATE_dfuUPLOAD_IDLE))
+ {
+ /* Update the global langth and block number */
+ wBlockNum = req->wValue;
+ wlength = req->wLength;
+
+ /* DFU Get Command */
+ if (wBlockNum == 0)
+ {
+ /* Update the state machine */
+ DeviceState = (wlength > 3)? STATE_dfuIDLE:STATE_dfuUPLOAD_IDLE;
+ DeviceStatus[4] = DeviceState;
+ DeviceStatus[1] = 0;
+ DeviceStatus[2] = 0;
+ DeviceStatus[3] = 0;
+
+ /* Store the values of all supported commands */
+ MAL_Buffer[0] = CMD_GETCOMMANDS;
+ MAL_Buffer[1] = CMD_SETADDRESSPOINTER;
+ MAL_Buffer[2] = CMD_ERASE;
+
+ /* Send the status data over EP0 */
+ USBD_CtlSendData (pdev,
+ (uint8_t *)(&(MAL_Buffer[0])),
+ 3);
+ }
+ else if (wBlockNum > 1)
+ {
+ DeviceState = STATE_dfuUPLOAD_IDLE ;
+ DeviceStatus[4] = DeviceState;
+ DeviceStatus[1] = 0;
+ DeviceStatus[2] = 0;
+ DeviceStatus[3] = 0;
+ Addr = ((wBlockNum - 2) * XFERSIZE) + Pointer; /* Change is Accelerated*/
+
+ /* Return the physical address where data are stored */
+ Phy_Addr = MAL_Read(Addr, wlength);
+
+ /* Send the status data over EP0 */
+ USBD_CtlSendData (pdev,
+ Phy_Addr,
+ wlength);
+ }
+ else /* unsupported wBlockNum */
+ {
+ DeviceState = STATUS_ERRSTALLEDPKT;
+ DeviceStatus[4] = DeviceState;
+ DeviceStatus[1] = 0;
+ DeviceStatus[2] = 0;
+ DeviceStatus[3] = 0;
+
+ /* Call the error management function (command will be nacked */
+ USBD_CtlError (pdev, req);
+ }
+ }
+ /* Unsupported state */
+ else
+ {
+ wlength = 0;
+ wBlockNum = 0;
+ /* Call the error management function (command will be nacked */
+ USBD_CtlError (pdev, req);
+ }
+ }
+ /* No Data setup request */
+ else
+ {
+ DeviceState = STATE_dfuIDLE;
+ DeviceStatus[1] = 0;
+ DeviceStatus[2] = 0;
+ DeviceStatus[3] = 0;
+ DeviceStatus[4] = DeviceState;
+ }
+}
+
+/**
+ * @brief DFU_Req_GETSTATUS
+ * Handles the DFU GETSTATUS request.
+ * @param pdev: instance
+ * @retval status
+ */
+static void DFU_Req_GETSTATUS(void *pdev)
+{
+ switch (DeviceState)
+ {
+ case STATE_dfuDNLOAD_SYNC:
+ if (wlength != 0)
+ {
+ DeviceState = STATE_dfuDNBUSY;
+ DeviceStatus[4] = DeviceState;
+ if ((wBlockNum == 0) && (MAL_Buffer[0] == CMD_ERASE))
+ {
+ MAL_GetStatus(Pointer, 0, DeviceStatus);
+ }
+ else
+ {
+ MAL_GetStatus(Pointer, 1, DeviceStatus);
+ }
+ }
+ else /* (wlength==0)*/
+ {
+ DeviceState = STATE_dfuDNLOAD_IDLE;
+ DeviceStatus[4] = DeviceState;
+ DeviceStatus[1] = 0;
+ DeviceStatus[2] = 0;
+ DeviceStatus[3] = 0;
+ }
+ break;
+
+ case STATE_dfuMANIFEST_SYNC :
+ if (Manifest_State == Manifest_In_Progress)
+ {
+ DeviceState = STATE_dfuMANIFEST;
+ DeviceStatus[4] = DeviceState;
+ DeviceStatus[1] = 1; /*bwPollTimeout = 1ms*/
+ DeviceStatus[2] = 0;
+ DeviceStatus[3] = 0;
+ //break;
+ }
+ else if ((Manifest_State == Manifest_complete) && \
+ ((usbd_dfu_CfgDesc[(11 + (9 * USBD_ITF_MAX_NUM))]) & 0x04))
+ {
+ DeviceState = STATE_dfuIDLE;
+ DeviceStatus[4] = DeviceState;
+ DeviceStatus[1] = 0;
+ DeviceStatus[2] = 0;
+ DeviceStatus[3] = 0;
+ //break;
+ }
+ break;
+
+ default :
+ break;
+ }
+
+ /* Send the status data over EP0 */
+ USBD_CtlSendData (pdev,
+ (uint8_t *)(&(DeviceStatus[0])),
+ 6);
+}
+
+/**
+ * @brief DFU_Req_CLRSTATUS
+ * Handles the DFU CLRSTATUS request.
+ * @param pdev: device instance
+ * @retval status
+ */
+static void DFU_Req_CLRSTATUS(void *pdev)
+{
+ if (DeviceState == STATE_dfuERROR)
+ {
+ DeviceState = STATE_dfuIDLE;
+ DeviceStatus[0] = STATUS_OK;/*bStatus*/
+ DeviceStatus[1] = 0;
+ DeviceStatus[2] = 0;
+ DeviceStatus[3] = 0; /*bwPollTimeout=0ms*/
+ DeviceStatus[4] = DeviceState;/*bState*/
+ DeviceStatus[5] = 0;/*iString*/
+ }
+ else
+ { /*State Error*/
+ DeviceState = STATE_dfuERROR;
+ DeviceStatus[0] = STATUS_ERRUNKNOWN;/*bStatus*/
+ DeviceStatus[1] = 0;
+ DeviceStatus[2] = 0;
+ DeviceStatus[3] = 0; /*bwPollTimeout=0ms*/
+ DeviceStatus[4] = DeviceState;/*bState*/
+ DeviceStatus[5] = 0;/*iString*/
+ }
+}
+
+/**
+ * @brief DFU_Req_GETSTATE
+ * Handles the DFU GETSTATE request.
+ * @param pdev: device instance
+ * @retval None
+ */
+static void DFU_Req_GETSTATE(void *pdev)
+{
+ /* Return the current state of the DFU interface */
+ USBD_CtlSendData (pdev,
+ &DeviceState,
+ 1);
+}
+
+/**
+ * @brief DFU_Req_ABORT
+ * Handles the DFU ABORT request.
+ * @param pdev: device instance
+ * @retval None
+ */
+static void DFU_Req_ABORT(void *pdev)
+{
+ if (DeviceState == STATE_dfuIDLE || DeviceState == STATE_dfuDNLOAD_SYNC
+ || DeviceState == STATE_dfuDNLOAD_IDLE || DeviceState == STATE_dfuMANIFEST_SYNC
+ || DeviceState == STATE_dfuUPLOAD_IDLE )
+ {
+ DeviceState = STATE_dfuIDLE;
+ DeviceStatus[0] = STATUS_OK;
+ DeviceStatus[1] = 0;
+ DeviceStatus[2] = 0;
+ DeviceStatus[3] = 0; /*bwPollTimeout=0ms*/
+ DeviceStatus[4] = DeviceState;
+ DeviceStatus[5] = 0; /*iString*/
+ wBlockNum = 0;
+ wlength = 0;
+ }
+}
+
+/**
+ * @brief DFU_LeaveDFUMode
+ * 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_LeaveDFUMode(void *pdev)
+{
+ Manifest_State = Manifest_complete;
+
+ if ((usbd_dfu_CfgDesc[(11 + (9 * USBD_ITF_MAX_NUM))]) & 0x04)
+ {
+ DeviceState = STATE_dfuMANIFEST_SYNC;
+ DeviceStatus[4] = DeviceState;
+ DeviceStatus[1] = 0;
+ DeviceStatus[2] = 0;
+ DeviceStatus[3] = 0;
+ return;
+ }
+ else
+ {
+ DeviceState = STATE_dfuMANIFEST_WAIT_RESET;
+ DeviceStatus[4] = DeviceState;
+ DeviceStatus[1] = 0;
+ DeviceStatus[2] = 0;
+ DeviceStatus[3] = 0;
+
+ /* Disconnect the USB device */
+ DCD_DevDisconnect (pdev);
+
+ /* DeInitilialize the MAL(Media Access Layer) */
+ MAL_DeInit();
+
+ /* Generate system reset to allow jumping to the user code */
+ NVIC_SystemReset();
+
+ /* This instruction will not be reached (system reset) */
+ return;
+ }
+}
+
+/**
+ * @brief USBD_DFU_GetCfgDesc
+ * Returns configuration descriptor
+ * @param speed : current device speed
+ * @param length : pointer data length
+ * @retval pointer to descriptor buffer
+ */
+static uint8_t *USBD_DFU_GetCfgDesc (uint8_t speed, uint16_t *length)
+{
+ *length = sizeof (usbd_dfu_CfgDesc);
+ return usbd_dfu_CfgDesc;
+}
+
+#ifdef USB_OTG_HS_CORE
+/**
+ * @brief USBD_DFU_GetOtherCfgDesc
+ * Returns other speed configuration descriptor.
+ * @param speed : current device speed
+ * @param length : pointer data length
+ * @retval pointer to descriptor buffer
+ */
+static uint8_t *USBD_DFU_GetOtherCfgDesc (uint8_t speed, uint16_t *length)
+{
+ *length = sizeof (usbd_dfu_OtherCfgDesc);
+ return usbd_dfu_OtherCfgDesc;
+}
+#endif
+
+/**
+ * @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.
+ */
+static uint8_t* USBD_DFU_GetUsrStringDesc (uint8_t speed, uint8_t index , uint16_t *length)
+{
+ /* Check if the requested string interface is supported */
+ if (index <= (USBD_IDX_INTERFACE_STR + USBD_ITF_MAX_NUM))
+ {
+
+
+ USBD_GetString ((uint8_t *)usbd_dfu_StringDesc[index - USBD_IDX_INTERFACE_STR - 1], USBD_StrDesc, length);
+ return USBD_StrDesc;
+ }
+ /* Not supported Interface Descriptor index */
+ else
+ {
+ return NULL;
+ }
+}
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
projects / fw / stlink / blobdiff