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 | 282 |
1 files changed, 141 insertions, 141 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 index b2ca5f1..cb77a71 100644 --- 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 @@ -4,21 +4,21 @@ * @author MCD Application Team * @version V2.4.2 * @date 11-December-2015 - * @brief This file provides the high layer firmware functions to manage the + * @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 + * 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 @@ -28,16 +28,16 @@ * - 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 + * + * 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 * @@ -49,14 +49,14 @@ * * 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, + * 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" @@ -69,34 +69,34 @@ */ -/** @defgroup USBD_CDC +/** @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 @@ -104,19 +104,19 @@ */ -static uint8_t USBD_CDC_Init (USBD_HandleTypeDef *pdev, +static uint8_t USBD_CDC_Init (USBD_HandleTypeDef *pdev, uint8_t cfgidx); -static uint8_t USBD_CDC_DeInit (USBD_HandleTypeDef *pdev, +static uint8_t USBD_CDC_DeInit (USBD_HandleTypeDef *pdev, uint8_t cfgidx); -static uint8_t USBD_CDC_Setup (USBD_HandleTypeDef *pdev, +static uint8_t USBD_CDC_Setup (USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req); -static uint8_t USBD_CDC_DataIn (USBD_HandleTypeDef *pdev, +static uint8_t USBD_CDC_DataIn (USBD_HandleTypeDef *pdev, uint8_t epnum); -static uint8_t USBD_CDC_DataOut (USBD_HandleTypeDef *pdev, +static uint8_t USBD_CDC_DataOut (USBD_HandleTypeDef *pdev, uint8_t epnum); static uint8_t USBD_CDC_EP0_RxReady (USBD_HandleTypeDef *pdev); @@ -148,15 +148,15 @@ __ALIGN_BEGIN static uint8_t USBD_CDC_DeviceQualifierDesc[USB_LEN_DEV_QUALIFIER_ /** * @} - */ + */ /** @defgroup USBD_CDC_Private_Variables * @{ - */ + */ /* CDC interface class callbacks structure */ -USBD_ClassTypeDef USBD_CDC = +USBD_ClassTypeDef USBD_CDC = { USBD_CDC_Init, USBD_CDC_DeInit, @@ -167,10 +167,10 @@ USBD_ClassTypeDef USBD_CDC = USBD_CDC_DataOut, NULL, NULL, - NULL, - USBD_CDC_GetHSCfgDesc, - USBD_CDC_GetFSCfgDesc, - USBD_CDC_GetOtherSpeedCfgDesc, + NULL, + USBD_CDC_GetHSCfgDesc, + USBD_CDC_GetFSCfgDesc, + USBD_CDC_GetOtherSpeedCfgDesc, USBD_CDC_GetDeviceQualifierDescriptor, }; @@ -187,9 +187,9 @@ __ALIGN_BEGIN uint8_t USBD_CDC_CfgHSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END = 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 */ @@ -201,34 +201,34 @@ __ALIGN_BEGIN uint8_t USBD_CDC_CfgHSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END = 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 */ @@ -236,9 +236,9 @@ __ALIGN_BEGIN uint8_t USBD_CDC_CfgHSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END = 0x03, /* bmAttributes: Interrupt */ LOBYTE(CDC_CMD_PACKET_SIZE), /* wMaxPacketSize: */ HIBYTE(CDC_CMD_PACKET_SIZE), - 0x10, /* bInterval: */ + 0x10, /* bInterval: */ /*---------------------------------------------------------------------------*/ - + /*Data class interface descriptor*/ 0x09, /* bLength: Endpoint Descriptor size */ USB_DESC_TYPE_INTERFACE, /* bDescriptorType: */ @@ -249,7 +249,7 @@ __ALIGN_BEGIN uint8_t USBD_CDC_CfgHSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END = 0x00, /* bInterfaceSubClass: */ 0x00, /* bInterfaceProtocol: */ 0x00, /* iInterface: */ - + /*Endpoint OUT Descriptor*/ 0x07, /* bLength: Endpoint Descriptor size */ USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */ @@ -258,7 +258,7 @@ __ALIGN_BEGIN uint8_t USBD_CDC_CfgHSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END = 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 */ @@ -283,9 +283,9 @@ __ALIGN_BEGIN uint8_t USBD_CDC_CfgFSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END = 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 */ @@ -297,34 +297,34 @@ __ALIGN_BEGIN uint8_t USBD_CDC_CfgFSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END = 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 */ @@ -332,9 +332,9 @@ __ALIGN_BEGIN uint8_t USBD_CDC_CfgFSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END = 0x03, /* bmAttributes: Interrupt */ LOBYTE(CDC_CMD_PACKET_SIZE), /* wMaxPacketSize: */ HIBYTE(CDC_CMD_PACKET_SIZE), - 0x10, /* bInterval: */ + 0x10, /* bInterval: */ /*---------------------------------------------------------------------------*/ - + /*Data class interface descriptor*/ 0x09, /* bLength: Endpoint Descriptor size */ USB_DESC_TYPE_INTERFACE, /* bDescriptorType: */ @@ -345,7 +345,7 @@ __ALIGN_BEGIN uint8_t USBD_CDC_CfgFSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END = 0x00, /* bInterfaceSubClass: */ 0x00, /* bInterfaceProtocol: */ 0x00, /* iInterface: */ - + /*Endpoint OUT Descriptor*/ 0x07, /* bLength: Endpoint Descriptor size */ USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */ @@ -354,7 +354,7 @@ __ALIGN_BEGIN uint8_t USBD_CDC_CfgFSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END = 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 */ @@ -366,17 +366,17 @@ __ALIGN_BEGIN uint8_t USBD_CDC_CfgFSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END = } ; __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_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 */ - + 0x32, /* MaxPower 100 mA */ + /*Interface Descriptor */ 0x09, /* bLength: Interface Descriptor size */ USB_DESC_TYPE_INTERFACE, /* bDescriptorType: Interface */ @@ -388,34 +388,34 @@ __ALIGN_BEGIN uint8_t USBD_CDC_OtherSpeedCfgDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIG 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 */ @@ -424,9 +424,9 @@ __ALIGN_BEGIN uint8_t USBD_CDC_OtherSpeedCfgDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIG 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: */ @@ -437,7 +437,7 @@ __ALIGN_BEGIN uint8_t USBD_CDC_OtherSpeedCfgDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIG 0x00, /* bInterfaceSubClass: */ 0x00, /* bInterfaceProtocol: */ 0x00, /* iInterface: */ - + /*Endpoint OUT Descriptor*/ 0x07, /* bLength: Endpoint Descriptor size */ USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */ @@ -446,7 +446,7 @@ __ALIGN_BEGIN uint8_t USBD_CDC_OtherSpeedCfgDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIG 0x40, /* wMaxPacketSize: */ 0x00, 0x00, /* bInterval: ignore for Bulk transfer */ - + /*Endpoint IN Descriptor*/ 0x07, /* bLength: Endpoint Descriptor size */ USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: Endpoint */ @@ -459,11 +459,11 @@ __ALIGN_BEGIN uint8_t USBD_CDC_OtherSpeedCfgDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIG /** * @} - */ + */ /** @defgroup USBD_CDC_Private_Functions * @{ - */ + */ /** * @brief USBD_CDC_Init @@ -472,26 +472,26 @@ __ALIGN_BEGIN uint8_t USBD_CDC_OtherSpeedCfgDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIG * @param cfgidx: Configuration index * @retval status */ -static uint8_t USBD_CDC_Init (USBD_HandleTypeDef *pdev, +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 ) - { + + 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 { @@ -500,7 +500,7 @@ static uint8_t USBD_CDC_Init (USBD_HandleTypeDef *pdev, CDC_IN_EP, USBD_EP_TYPE_BULK, CDC_DATA_FS_IN_PACKET_SIZE); - + /* Open EP OUT */ USBD_LL_OpenEP(pdev, CDC_OUT_EP, @@ -512,27 +512,27 @@ static uint8_t USBD_CDC_Init (USBD_HandleTypeDef *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; + 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 ) - { + + if(pdev->dev_speed == USBD_SPEED_HIGH ) + { /* Prepare Out endpoint to receive next packet */ USBD_LL_PrepareReceive(pdev, CDC_OUT_EP, @@ -547,8 +547,8 @@ static uint8_t USBD_CDC_Init (USBD_HandleTypeDef *pdev, hcdc->RxBuffer, CDC_DATA_FS_OUT_PACKET_SIZE); } - - + + } return ret; } @@ -560,24 +560,24 @@ static uint8_t USBD_CDC_Init (USBD_HandleTypeDef *pdev, * @param cfgidx: Configuration index * @retval status */ -static uint8_t USBD_CDC_DeInit (USBD_HandleTypeDef *pdev, +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) { @@ -585,7 +585,7 @@ static uint8_t USBD_CDC_DeInit (USBD_HandleTypeDef *pdev, USBD_free(pdev->pClassData); pdev->pClassData = NULL; } - + return ret; } @@ -596,12 +596,12 @@ static uint8_t USBD_CDC_DeInit (USBD_HandleTypeDef *pdev, * @param req: usb requests * @retval status */ -static uint8_t USBD_CDC_Setup (USBD_HandleTypeDef *pdev, +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 : @@ -612,7 +612,7 @@ static uint8_t USBD_CDC_Setup (USBD_HandleTypeDef *pdev, ((USBD_CDC_ItfTypeDef *)pdev->pUserData)->Control(req->bRequest, (uint8_t *)hcdc->data, req->wLength); - USBD_CtlSendData (pdev, + USBD_CtlSendData (pdev, (uint8_t *)hcdc->data, req->wLength); } @@ -620,12 +620,12 @@ static uint8_t USBD_CDC_Setup (USBD_HandleTypeDef *pdev, { hcdc->CmdOpCode = req->bRequest; hcdc->CmdLength = req->wLength; - - USBD_CtlPrepareRx (pdev, + + USBD_CtlPrepareRx (pdev, (uint8_t *)hcdc->data, req->wLength); } - + } else { @@ -637,18 +637,18 @@ static uint8_t USBD_CDC_Setup (USBD_HandleTypeDef *pdev, 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: + + default: break; } return USBD_OK; @@ -664,10 +664,10 @@ static uint8_t USBD_CDC_Setup (USBD_HandleTypeDef *pdev, 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; @@ -686,13 +686,13 @@ static uint8_t USBD_CDC_DataIn (USBD_HandleTypeDef *pdev, uint8_t epnum) * @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 + + /* USB data will be immediately processed, this allow next USB traffic being NAKed till the end of the application Xfer */ if(pdev->pClassData != NULL) { @@ -716,22 +716,22 @@ static uint8_t USBD_CDC_DataOut (USBD_HandleTypeDef *pdev, uint8_t epnum) * @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; - + hcdc->CmdOpCode = 0xFF; + } return USBD_OK; } /** - * @brief USBD_CDC_GetFSCfgDesc + * @brief USBD_CDC_GetFSCfgDesc * Return configuration descriptor * @param speed : current device speed * @param length : pointer data length @@ -744,7 +744,7 @@ static uint8_t *USBD_CDC_GetFSCfgDesc (uint16_t *length) } /** - * @brief USBD_CDC_GetHSCfgDesc + * @brief USBD_CDC_GetHSCfgDesc * Return configuration descriptor * @param speed : current device speed * @param length : pointer data length @@ -757,7 +757,7 @@ static uint8_t *USBD_CDC_GetHSCfgDesc (uint16_t *length) } /** - * @brief USBD_CDC_GetCfgDesc + * @brief USBD_CDC_GetCfgDesc * Return configuration descriptor * @param speed : current device speed * @param length : pointer data length @@ -770,7 +770,7 @@ static uint8_t *USBD_CDC_GetOtherSpeedCfgDesc (uint16_t *length) } /** -* @brief DeviceQualifierDescriptor +* @brief DeviceQualifierDescriptor * return Device Qualifier descriptor * @param length : pointer data length * @retval pointer to descriptor buffer @@ -787,17 +787,17 @@ uint8_t *USBD_CDC_GetDeviceQualifierDescriptor (uint16_t *length) * @param fops: CD Interface callback * @retval status */ -uint8_t USBD_CDC_RegisterInterface (USBD_HandleTypeDef *pdev, +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; + ret = USBD_OK; } - + return ret; } @@ -812,11 +812,11 @@ uint8_t USBD_CDC_SetTxBuffer (USBD_HandleTypeDef *pdev, uint16_t length) { USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef*) pdev->pClassData; - + hcdc->TxBuffer = pbuff; - hcdc->TxLength = length; - - return USBD_OK; + hcdc->TxLength = length; + + return USBD_OK; } @@ -830,9 +830,9 @@ 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; } @@ -844,22 +844,22 @@ uint8_t USBD_CDC_SetRxBuffer (USBD_HandleTypeDef *pdev, * @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 @@ -881,14 +881,14 @@ uint8_t USBD_CDC_TransmitPacket(USBD_HandleTypeDef *pdev) * @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 ) - { + if(pdev->dev_speed == USBD_SPEED_HIGH ) + { /* Prepare Out endpoint to receive next packet */ USBD_LL_PrepareReceive(pdev, CDC_OUT_EP, @@ -912,14 +912,14 @@ uint8_t USBD_CDC_ReceivePacket(USBD_HandleTypeDef *pdev) } /** * @} - */ + */ /** * @} - */ + */ /** * @} - */ + */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |