diff options
Diffstat (limited to 'stm32cubemx/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c')
| -rw-r--r-- | stm32cubemx/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c | 925 |
1 files changed, 0 insertions, 925 deletions
diff --git a/stm32cubemx/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c b/stm32cubemx/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c deleted file mode 100644 index cb77a71..0000000 --- a/stm32cubemx/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c +++ /dev/null @@ -1,925 +0,0 @@ -/** - ****************************************************************************** - * @file usbd_cdc.c - * @author MCD Application Team - * @version V2.4.2 - * @date 11-December-2015 - * @brief This file provides the high layer firmware functions to manage the - * following functionalities of the USB CDC Class: - * - Initialization and Configuration of high and low layer - * - Enumeration as CDC Device (and enumeration for each implemented memory interface) - * - OUT/IN data transfer - * - Command IN transfer (class requests management) - * - Error management - * - * @verbatim - * - * =================================================================== - * CDC Class Driver Description - * =================================================================== - * This driver manages the "Universal Serial Bus Class Definitions for Communications Devices - * Revision 1.2 November 16, 2007" and the sub-protocol specification of "Universal Serial Bus - * Communications Class Subclass Specification for PSTN Devices Revision 1.2 February 9, 2007" - * This driver implements the following aspects of the specification: - * - Device descriptor management - * - Configuration descriptor management - * - Enumeration as CDC device with 2 data endpoints (IN and OUT) and 1 command endpoint (IN) - * - Requests management (as described in section 6.2 in specification) - * - Abstract Control Model compliant - * - Union Functional collection (using 1 IN endpoint for control) - * - Data interface class - * - * 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): - * - Any class-specific aspect relative to communication classes should be managed by user application. - * - All communication classes other than PSTN are not managed - * - * @endverbatim - * - ****************************************************************************** - * @attention - * - * <h2><center>© COPYRIGHT 2015 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_cdc.h" -#include "usbd_desc.h" -#include "usbd_ctlreq.h" - - -/** @addtogroup STM32_USB_DEVICE_LIBRARY - * @{ - */ - - -/** @defgroup USBD_CDC - * @brief usbd core module - * @{ - */ - -/** @defgroup USBD_CDC_Private_TypesDefinitions - * @{ - */ -/** - * @} - */ - - -/** @defgroup USBD_CDC_Private_Defines - * @{ - */ -/** - * @} - */ - - -/** @defgroup USBD_CDC_Private_Macros - * @{ - */ - -/** - * @} - */ - - -/** @defgroup USBD_CDC_Private_FunctionPrototypes - * @{ - */ - - -static uint8_t USBD_CDC_Init (USBD_HandleTypeDef *pdev, - uint8_t cfgidx); - -static uint8_t USBD_CDC_DeInit (USBD_HandleTypeDef *pdev, - uint8_t cfgidx); - -static uint8_t USBD_CDC_Setup (USBD_HandleTypeDef *pdev, - USBD_SetupReqTypedef *req); - -static uint8_t USBD_CDC_DataIn (USBD_HandleTypeDef *pdev, - uint8_t epnum); - -static uint8_t USBD_CDC_DataOut (USBD_HandleTypeDef *pdev, - uint8_t epnum); - -static uint8_t USBD_CDC_EP0_RxReady (USBD_HandleTypeDef *pdev); - -static uint8_t *USBD_CDC_GetFSCfgDesc (uint16_t *length); - -static uint8_t *USBD_CDC_GetHSCfgDesc (uint16_t *length); - -static uint8_t *USBD_CDC_GetOtherSpeedCfgDesc (uint16_t *length); - -static uint8_t *USBD_CDC_GetOtherSpeedCfgDesc (uint16_t *length); - -uint8_t *USBD_CDC_GetDeviceQualifierDescriptor (uint16_t *length); - -/* USB Standard Device Descriptor */ -__ALIGN_BEGIN static uint8_t USBD_CDC_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_CDC_Private_Variables - * @{ - */ - - -/* CDC interface class callbacks structure */ -USBD_ClassTypeDef USBD_CDC = -{ - USBD_CDC_Init, - USBD_CDC_DeInit, - USBD_CDC_Setup, - NULL, /* EP0_TxSent, */ - USBD_CDC_EP0_RxReady, - USBD_CDC_DataIn, - USBD_CDC_DataOut, - NULL, - NULL, - NULL, - USBD_CDC_GetHSCfgDesc, - USBD_CDC_GetFSCfgDesc, - USBD_CDC_GetOtherSpeedCfgDesc, - USBD_CDC_GetDeviceQualifierDescriptor, -}; - -/* USB CDC device Configuration Descriptor */ -__ALIGN_BEGIN uint8_t USBD_CDC_CfgHSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END = -{ - /*Configuration Descriptor*/ - 0x09, /* bLength: Configuration Descriptor size */ - USB_DESC_TYPE_CONFIGURATION, /* bDescriptorType: Configuration */ - USB_CDC_CONFIG_DESC_SIZ, /* wTotalLength:no of returned bytes */ - 0x00, - 0x02, /* bNumInterfaces: 2 interface */ - 0x01, /* bConfigurationValue: Configuration value */ - 0x00, /* iConfiguration: Index of string descriptor describing the configuration */ - 0xC0, /* bmAttributes: self powered */ - 0x32, /* MaxPower 0 mA */ - - /*---------------------------------------------------------------------------*/ - - /*Interface Descriptor */ - 0x09, /* bLength: Interface Descriptor size */ - USB_DESC_TYPE_INTERFACE, /* bDescriptorType: Interface */ - /* Interface descriptor type */ - 0x00, /* bInterfaceNumber: Number of Interface */ - 0x00, /* bAlternateSetting: Alternate setting */ - 0x01, /* bNumEndpoints: One endpoints used */ - 0x02, /* bInterfaceClass: Communication Interface Class */ - 0x02, /* bInterfaceSubClass: Abstract Control Model */ - 0x01, /* bInterfaceProtocol: Common AT commands */ - 0x00, /* iInterface: */ - - /*Header Functional Descriptor*/ - 0x05, /* bLength: Endpoint Descriptor size */ - 0x24, /* bDescriptorType: CS_INTERFACE */ - 0x00, /* bDescriptorSubtype: Header Func Desc */ - 0x10, /* bcdCDC: spec release number */ - 0x01, - - /*Call Management Functional Descriptor*/ - 0x05, /* bFunctionLength */ - 0x24, /* bDescriptorType: CS_INTERFACE */ - 0x01, /* bDescriptorSubtype: Call Management Func Desc */ - 0x00, /* bmCapabilities: D0+D1 */ - 0x01, /* bDataInterface: 1 */ - - /*ACM Functional Descriptor*/ - 0x04, /* bFunctionLength */ - 0x24, /* bDescriptorType: CS_INTERFACE */ - 0x02, /* bDescriptorSubtype: Abstract Control Management desc */ - 0x02, /* bmCapabilities */ - - /*Union Functional Descriptor*/ - 0x05, /* bFunctionLength */ - 0x24, /* bDescriptorType: CS_INTERFACE */ - 0x06, /* bDescriptorSubtype: Union func desc */ - 0x00, /* bMasterInterface: Communication class interface */ - 0x01, /* bSlaveInterface0: Data Class Interface */ - - /*Endpoint 2 Descriptor*/ - 0x07, /* bLength: Endpoint Descriptor size */ - USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */ - CDC_CMD_EP, /* bEndpointAddress */ - 0x03, /* bmAttributes: Interrupt */ - LOBYTE(CDC_CMD_PACKET_SIZE), /* wMaxPacketSize: */ - HIBYTE(CDC_CMD_PACKET_SIZE), - 0x10, /* bInterval: */ - /*---------------------------------------------------------------------------*/ - - /*Data class interface descriptor*/ - 0x09, /* bLength: Endpoint Descriptor size */ - USB_DESC_TYPE_INTERFACE, /* bDescriptorType: */ - 0x01, /* bInterfaceNumber: Number of Interface */ - 0x00, /* bAlternateSetting: Alternate setting */ - 0x02, /* bNumEndpoints: Two endpoints used */ - 0x0A, /* bInterfaceClass: CDC */ - 0x00, /* bInterfaceSubClass: */ - 0x00, /* bInterfaceProtocol: */ - 0x00, /* iInterface: */ - - /*Endpoint OUT Descriptor*/ - 0x07, /* bLength: Endpoint Descriptor size */ - USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */ - CDC_OUT_EP, /* bEndpointAddress */ - 0x02, /* bmAttributes: Bulk */ - LOBYTE(CDC_DATA_HS_MAX_PACKET_SIZE), /* wMaxPacketSize: */ - HIBYTE(CDC_DATA_HS_MAX_PACKET_SIZE), - 0x00, /* bInterval: ignore for Bulk transfer */ - - /*Endpoint IN Descriptor*/ - 0x07, /* bLength: Endpoint Descriptor size */ - USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */ - CDC_IN_EP, /* bEndpointAddress */ - 0x02, /* bmAttributes: Bulk */ - LOBYTE(CDC_DATA_HS_MAX_PACKET_SIZE), /* wMaxPacketSize: */ - HIBYTE(CDC_DATA_HS_MAX_PACKET_SIZE), - 0x00 /* bInterval: ignore for Bulk transfer */ -} ; - - -/* USB CDC device Configuration Descriptor */ -__ALIGN_BEGIN uint8_t USBD_CDC_CfgFSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END = -{ - /*Configuration Descriptor*/ - 0x09, /* bLength: Configuration Descriptor size */ - USB_DESC_TYPE_CONFIGURATION, /* bDescriptorType: Configuration */ - USB_CDC_CONFIG_DESC_SIZ, /* wTotalLength:no of returned bytes */ - 0x00, - 0x02, /* bNumInterfaces: 2 interface */ - 0x01, /* bConfigurationValue: Configuration value */ - 0x00, /* iConfiguration: Index of string descriptor describing the configuration */ - 0xC0, /* bmAttributes: self powered */ - 0x32, /* MaxPower 0 mA */ - - /*---------------------------------------------------------------------------*/ - - /*Interface Descriptor */ - 0x09, /* bLength: Interface Descriptor size */ - USB_DESC_TYPE_INTERFACE, /* bDescriptorType: Interface */ - /* Interface descriptor type */ - 0x00, /* bInterfaceNumber: Number of Interface */ - 0x00, /* bAlternateSetting: Alternate setting */ - 0x01, /* bNumEndpoints: One endpoints used */ - 0x02, /* bInterfaceClass: Communication Interface Class */ - 0x02, /* bInterfaceSubClass: Abstract Control Model */ - 0x01, /* bInterfaceProtocol: Common AT commands */ - 0x00, /* iInterface: */ - - /*Header Functional Descriptor*/ - 0x05, /* bLength: Endpoint Descriptor size */ - 0x24, /* bDescriptorType: CS_INTERFACE */ - 0x00, /* bDescriptorSubtype: Header Func Desc */ - 0x10, /* bcdCDC: spec release number */ - 0x01, - - /*Call Management Functional Descriptor*/ - 0x05, /* bFunctionLength */ - 0x24, /* bDescriptorType: CS_INTERFACE */ - 0x01, /* bDescriptorSubtype: Call Management Func Desc */ - 0x00, /* bmCapabilities: D0+D1 */ - 0x01, /* bDataInterface: 1 */ - - /*ACM Functional Descriptor*/ - 0x04, /* bFunctionLength */ - 0x24, /* bDescriptorType: CS_INTERFACE */ - 0x02, /* bDescriptorSubtype: Abstract Control Management desc */ - 0x02, /* bmCapabilities */ - - /*Union Functional Descriptor*/ - 0x05, /* bFunctionLength */ - 0x24, /* bDescriptorType: CS_INTERFACE */ - 0x06, /* bDescriptorSubtype: Union func desc */ - 0x00, /* bMasterInterface: Communication class interface */ - 0x01, /* bSlaveInterface0: Data Class Interface */ - - /*Endpoint 2 Descriptor*/ - 0x07, /* bLength: Endpoint Descriptor size */ - USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */ - CDC_CMD_EP, /* bEndpointAddress */ - 0x03, /* bmAttributes: Interrupt */ - LOBYTE(CDC_CMD_PACKET_SIZE), /* wMaxPacketSize: */ - HIBYTE(CDC_CMD_PACKET_SIZE), - 0x10, /* bInterval: */ - /*---------------------------------------------------------------------------*/ - - /*Data class interface descriptor*/ - 0x09, /* bLength: Endpoint Descriptor size */ - USB_DESC_TYPE_INTERFACE, /* bDescriptorType: */ - 0x01, /* bInterfaceNumber: Number of Interface */ - 0x00, /* bAlternateSetting: Alternate setting */ - 0x02, /* bNumEndpoints: Two endpoints used */ - 0x0A, /* bInterfaceClass: CDC */ - 0x00, /* bInterfaceSubClass: */ - 0x00, /* bInterfaceProtocol: */ - 0x00, /* iInterface: */ - - /*Endpoint OUT Descriptor*/ - 0x07, /* bLength: Endpoint Descriptor size */ - USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */ - CDC_OUT_EP, /* bEndpointAddress */ - 0x02, /* bmAttributes: Bulk */ - LOBYTE(CDC_DATA_FS_MAX_PACKET_SIZE), /* wMaxPacketSize: */ - HIBYTE(CDC_DATA_FS_MAX_PACKET_SIZE), - 0x00, /* bInterval: ignore for Bulk transfer */ - - /*Endpoint IN Descriptor*/ - 0x07, /* bLength: Endpoint Descriptor size */ - USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */ - CDC_IN_EP, /* bEndpointAddress */ - 0x02, /* bmAttributes: Bulk */ - LOBYTE(CDC_DATA_FS_MAX_PACKET_SIZE), /* wMaxPacketSize: */ - HIBYTE(CDC_DATA_FS_MAX_PACKET_SIZE), - 0x00 /* bInterval: ignore for Bulk transfer */ -} ; - -__ALIGN_BEGIN uint8_t USBD_CDC_OtherSpeedCfgDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END = -{ - 0x09, /* bLength: Configuation Descriptor size */ - USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION, - USB_CDC_CONFIG_DESC_SIZ, - 0x00, - 0x02, /* bNumInterfaces: 2 interfaces */ - 0x01, /* bConfigurationValue: */ - 0x04, /* iConfiguration: */ - 0xC0, /* bmAttributes: */ - 0x32, /* MaxPower 100 mA */ - - /*Interface Descriptor */ - 0x09, /* bLength: Interface Descriptor size */ - USB_DESC_TYPE_INTERFACE, /* bDescriptorType: Interface */ - /* Interface descriptor type */ - 0x00, /* bInterfaceNumber: Number of Interface */ - 0x00, /* bAlternateSetting: Alternate setting */ - 0x01, /* bNumEndpoints: One endpoints used */ - 0x02, /* bInterfaceClass: Communication Interface Class */ - 0x02, /* bInterfaceSubClass: Abstract Control Model */ - 0x01, /* bInterfaceProtocol: Common AT commands */ - 0x00, /* iInterface: */ - - /*Header Functional Descriptor*/ - 0x05, /* bLength: Endpoint Descriptor size */ - 0x24, /* bDescriptorType: CS_INTERFACE */ - 0x00, /* bDescriptorSubtype: Header Func Desc */ - 0x10, /* bcdCDC: spec release number */ - 0x01, - - /*Call Management Functional Descriptor*/ - 0x05, /* bFunctionLength */ - 0x24, /* bDescriptorType: CS_INTERFACE */ - 0x01, /* bDescriptorSubtype: Call Management Func Desc */ - 0x00, /* bmCapabilities: D0+D1 */ - 0x01, /* bDataInterface: 1 */ - - /*ACM Functional Descriptor*/ - 0x04, /* bFunctionLength */ - 0x24, /* bDescriptorType: CS_INTERFACE */ - 0x02, /* bDescriptorSubtype: Abstract Control Management desc */ - 0x02, /* bmCapabilities */ - - /*Union Functional Descriptor*/ - 0x05, /* bFunctionLength */ - 0x24, /* bDescriptorType: CS_INTERFACE */ - 0x06, /* bDescriptorSubtype: Union func desc */ - 0x00, /* bMasterInterface: Communication class interface */ - 0x01, /* bSlaveInterface0: Data Class Interface */ - - /*Endpoint 2 Descriptor*/ - 0x07, /* bLength: Endpoint Descriptor size */ - USB_DESC_TYPE_ENDPOINT , /* bDescriptorType: Endpoint */ - CDC_CMD_EP, /* bEndpointAddress */ - 0x03, /* bmAttributes: Interrupt */ - LOBYTE(CDC_CMD_PACKET_SIZE), /* wMaxPacketSize: */ - HIBYTE(CDC_CMD_PACKET_SIZE), - 0xFF, /* bInterval: */ - - /*---------------------------------------------------------------------------*/ - - /*Data class interface descriptor*/ - 0x09, /* bLength: Endpoint Descriptor size */ - USB_DESC_TYPE_INTERFACE, /* bDescriptorType: */ - 0x01, /* bInterfaceNumber: Number of Interface */ - 0x00, /* bAlternateSetting: Alternate setting */ - 0x02, /* bNumEndpoints: Two endpoints used */ - 0x0A, /* bInterfaceClass: CDC */ - 0x00, /* bInterfaceSubClass: */ - 0x00, /* bInterfaceProtocol: */ - 0x00, /* iInterface: */ - - /*Endpoint OUT Descriptor*/ - 0x07, /* bLength: Endpoint Descriptor size */ - USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */ - CDC_OUT_EP, /* bEndpointAddress */ - 0x02, /* bmAttributes: Bulk */ - 0x40, /* wMaxPacketSize: */ - 0x00, - 0x00, /* bInterval: ignore for Bulk transfer */ - - /*Endpoint IN Descriptor*/ - 0x07, /* bLength: Endpoint Descriptor size */ - USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */ - CDC_IN_EP, /* bEndpointAddress */ - 0x02, /* bmAttributes: Bulk */ - 0x40, /* wMaxPacketSize: */ - 0x00, - 0x00 /* bInterval */ -}; - -/** - * @} - */ - -/** @defgroup USBD_CDC_Private_Functions - * @{ - */ - -/** - * @brief USBD_CDC_Init - * Initialize the CDC interface - * @param pdev: device instance - * @param cfgidx: Configuration index - * @retval status - */ -static uint8_t USBD_CDC_Init (USBD_HandleTypeDef *pdev, - uint8_t cfgidx) -{ - uint8_t ret = 0; - USBD_CDC_HandleTypeDef *hcdc; - - if(pdev->dev_speed == USBD_SPEED_HIGH ) - { - /* Open EP IN */ - USBD_LL_OpenEP(pdev, - CDC_IN_EP, - USBD_EP_TYPE_BULK, - CDC_DATA_HS_IN_PACKET_SIZE); - - /* Open EP OUT */ - USBD_LL_OpenEP(pdev, - CDC_OUT_EP, - USBD_EP_TYPE_BULK, - CDC_DATA_HS_OUT_PACKET_SIZE); - - } - else - { - /* Open EP IN */ - USBD_LL_OpenEP(pdev, - CDC_IN_EP, - USBD_EP_TYPE_BULK, - CDC_DATA_FS_IN_PACKET_SIZE); - - /* Open EP OUT */ - USBD_LL_OpenEP(pdev, - CDC_OUT_EP, - USBD_EP_TYPE_BULK, - CDC_DATA_FS_OUT_PACKET_SIZE); - } - /* Open Command IN EP */ - USBD_LL_OpenEP(pdev, - CDC_CMD_EP, - USBD_EP_TYPE_INTR, - CDC_CMD_PACKET_SIZE); - - - pdev->pClassData = USBD_malloc(sizeof (USBD_CDC_HandleTypeDef)); - - if(pdev->pClassData == NULL) - { - ret = 1; - } - else - { - hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData; - - /* Init physical Interface components */ - ((USBD_CDC_ItfTypeDef *)pdev->pUserData)->Init(); - - /* Init Xfer states */ - hcdc->TxState =0; - hcdc->RxState =0; - - if(pdev->dev_speed == USBD_SPEED_HIGH ) - { - /* Prepare Out endpoint to receive next packet */ - USBD_LL_PrepareReceive(pdev, - CDC_OUT_EP, - hcdc->RxBuffer, - CDC_DATA_HS_OUT_PACKET_SIZE); - } - else - { - /* Prepare Out endpoint to receive next packet */ - USBD_LL_PrepareReceive(pdev, - CDC_OUT_EP, - hcdc->RxBuffer, - CDC_DATA_FS_OUT_PACKET_SIZE); - } - - - } - return ret; -} - -/** - * @brief USBD_CDC_Init - * DeInitialize the CDC layer - * @param pdev: device instance - * @param cfgidx: Configuration index - * @retval status - */ -static uint8_t USBD_CDC_DeInit (USBD_HandleTypeDef *pdev, - uint8_t cfgidx) -{ - uint8_t ret = 0; - - /* Open EP IN */ - USBD_LL_CloseEP(pdev, - CDC_IN_EP); - - /* Open EP OUT */ - USBD_LL_CloseEP(pdev, - CDC_OUT_EP); - - /* Open Command IN EP */ - USBD_LL_CloseEP(pdev, - CDC_CMD_EP); - - - /* DeInit physical Interface components */ - if(pdev->pClassData != NULL) - { - ((USBD_CDC_ItfTypeDef *)pdev->pUserData)->DeInit(); - USBD_free(pdev->pClassData); - pdev->pClassData = NULL; - } - - return ret; -} - -/** - * @brief USBD_CDC_Setup - * Handle the CDC specific requests - * @param pdev: instance - * @param req: usb requests - * @retval status - */ -static uint8_t USBD_CDC_Setup (USBD_HandleTypeDef *pdev, - USBD_SetupReqTypedef *req) -{ - USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData; - static uint8_t ifalt = 0; - - switch (req->bmRequest & USB_REQ_TYPE_MASK) - { - case USB_REQ_TYPE_CLASS : - if (req->wLength) - { - if (req->bmRequest & 0x80) - { - ((USBD_CDC_ItfTypeDef *)pdev->pUserData)->Control(req->bRequest, - (uint8_t *)hcdc->data, - req->wLength); - USBD_CtlSendData (pdev, - (uint8_t *)hcdc->data, - req->wLength); - } - else - { - hcdc->CmdOpCode = req->bRequest; - hcdc->CmdLength = req->wLength; - - USBD_CtlPrepareRx (pdev, - (uint8_t *)hcdc->data, - req->wLength); - } - - } - else - { - ((USBD_CDC_ItfTypeDef *)pdev->pUserData)->Control(req->bRequest, - (uint8_t*)req, - 0); - } - break; - - case USB_REQ_TYPE_STANDARD: - switch (req->bRequest) - { - case USB_REQ_GET_INTERFACE : - USBD_CtlSendData (pdev, - &ifalt, - 1); - break; - - case USB_REQ_SET_INTERFACE : - break; - } - - default: - break; - } - return USBD_OK; -} - -/** - * @brief USBD_CDC_DataIn - * Data sent on non-control IN endpoint - * @param pdev: device instance - * @param epnum: endpoint number - * @retval status - */ -static uint8_t USBD_CDC_DataIn (USBD_HandleTypeDef *pdev, uint8_t epnum) -{ - USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData; - - if(pdev->pClassData != NULL) - { - - hcdc->TxState = 0; - - return USBD_OK; - } - else - { - return USBD_FAIL; - } -} - -/** - * @brief USBD_CDC_DataOut - * Data received on non-control Out endpoint - * @param pdev: device instance - * @param epnum: endpoint number - * @retval status - */ -static uint8_t USBD_CDC_DataOut (USBD_HandleTypeDef *pdev, uint8_t epnum) -{ - USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData; - - /* Get the received data length */ - hcdc->RxLength = USBD_LL_GetRxDataSize (pdev, epnum); - - /* USB data will be immediately processed, this allow next USB traffic being - NAKed till the end of the application Xfer */ - if(pdev->pClassData != NULL) - { - ((USBD_CDC_ItfTypeDef *)pdev->pUserData)->Receive(hcdc->RxBuffer, &hcdc->RxLength); - - return USBD_OK; - } - else - { - return USBD_FAIL; - } -} - - - -/** - * @brief USBD_CDC_DataOut - * Data received on non-control Out endpoint - * @param pdev: device instance - * @param epnum: endpoint number - * @retval status - */ -static uint8_t USBD_CDC_EP0_RxReady (USBD_HandleTypeDef *pdev) -{ - USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData; - - if((pdev->pUserData != NULL) && (hcdc->CmdOpCode != 0xFF)) - { - ((USBD_CDC_ItfTypeDef *)pdev->pUserData)->Control(hcdc->CmdOpCode, - (uint8_t *)hcdc->data, - hcdc->CmdLength); - hcdc->CmdOpCode = 0xFF; - - } - return USBD_OK; -} - -/** - * @brief USBD_CDC_GetFSCfgDesc - * Return configuration descriptor - * @param speed : current device speed - * @param length : pointer data length - * @retval pointer to descriptor buffer - */ -static uint8_t *USBD_CDC_GetFSCfgDesc (uint16_t *length) -{ - *length = sizeof (USBD_CDC_CfgFSDesc); - return USBD_CDC_CfgFSDesc; -} - -/** - * @brief USBD_CDC_GetHSCfgDesc - * Return configuration descriptor - * @param speed : current device speed - * @param length : pointer data length - * @retval pointer to descriptor buffer - */ -static uint8_t *USBD_CDC_GetHSCfgDesc (uint16_t *length) -{ - *length = sizeof (USBD_CDC_CfgHSDesc); - return USBD_CDC_CfgHSDesc; -} - -/** - * @brief USBD_CDC_GetCfgDesc - * Return configuration descriptor - * @param speed : current device speed - * @param length : pointer data length - * @retval pointer to descriptor buffer - */ -static uint8_t *USBD_CDC_GetOtherSpeedCfgDesc (uint16_t *length) -{ - *length = sizeof (USBD_CDC_OtherSpeedCfgDesc); - return USBD_CDC_OtherSpeedCfgDesc; -} - -/** -* @brief DeviceQualifierDescriptor -* return Device Qualifier descriptor -* @param length : pointer data length -* @retval pointer to descriptor buffer -*/ -uint8_t *USBD_CDC_GetDeviceQualifierDescriptor (uint16_t *length) -{ - *length = sizeof (USBD_CDC_DeviceQualifierDesc); - return USBD_CDC_DeviceQualifierDesc; -} - -/** -* @brief USBD_CDC_RegisterInterface - * @param pdev: device instance - * @param fops: CD Interface callback - * @retval status - */ -uint8_t USBD_CDC_RegisterInterface (USBD_HandleTypeDef *pdev, - USBD_CDC_ItfTypeDef *fops) -{ - uint8_t ret = USBD_FAIL; - - if(fops != NULL) - { - pdev->pUserData= fops; - ret = USBD_OK; - } - - return ret; -} - -/** - * @brief USBD_CDC_SetTxBuffer - * @param pdev: device instance - * @param pbuff: Tx Buffer - * @retval status - */ -uint8_t USBD_CDC_SetTxBuffer (USBD_HandleTypeDef *pdev, - uint8_t *pbuff, - uint16_t length) -{ - USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData; - - hcdc->TxBuffer = pbuff; - hcdc->TxLength = length; - - return USBD_OK; -} - - -/** - * @brief USBD_CDC_SetRxBuffer - * @param pdev: device instance - * @param pbuff: Rx Buffer - * @retval status - */ -uint8_t USBD_CDC_SetRxBuffer (USBD_HandleTypeDef *pdev, - uint8_t *pbuff) -{ - USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData; - - hcdc->RxBuffer = pbuff; - - return USBD_OK; -} - -/** - * @brief USBD_CDC_DataOut - * Data received on non-control Out endpoint - * @param pdev: device instance - * @param epnum: endpoint number - * @retval status - */ -uint8_t USBD_CDC_TransmitPacket(USBD_HandleTypeDef *pdev) -{ - USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData; - - if(pdev->pClassData != NULL) - { - if(hcdc->TxState == 0) - { - /* Tx Transfer in progress */ - hcdc->TxState = 1; - - /* Transmit next packet */ - USBD_LL_Transmit(pdev, - CDC_IN_EP, - hcdc->TxBuffer, - hcdc->TxLength); - - return USBD_OK; - } - else - { - return USBD_BUSY; - } - } - else - { - return USBD_FAIL; - } -} - - -/** - * @brief USBD_CDC_ReceivePacket - * prepare OUT Endpoint for reception - * @param pdev: device instance - * @retval status - */ -uint8_t USBD_CDC_ReceivePacket(USBD_HandleTypeDef *pdev) -{ - USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData; - - /* Suspend or Resume USB Out process */ - if(pdev->pClassData != NULL) - { - if(pdev->dev_speed == USBD_SPEED_HIGH ) - { - /* Prepare Out endpoint to receive next packet */ - USBD_LL_PrepareReceive(pdev, - CDC_OUT_EP, - hcdc->RxBuffer, - CDC_DATA_HS_OUT_PACKET_SIZE); - } - else - { - /* Prepare Out endpoint to receive next packet */ - USBD_LL_PrepareReceive(pdev, - CDC_OUT_EP, - hcdc->RxBuffer, - CDC_DATA_FS_OUT_PACKET_SIZE); - } - return USBD_OK; - } - else - { - return USBD_FAIL; - } -} -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |