diff options
Diffstat (limited to 'bsp/radio-controller-1/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c')
| -rw-r--r-- | bsp/radio-controller-1/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c | 565 |
1 files changed, 565 insertions, 0 deletions
diff --git a/bsp/radio-controller-1/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c b/bsp/radio-controller-1/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c new file mode 100644 index 0000000..ff3ed44 --- /dev/null +++ b/bsp/radio-controller-1/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c @@ -0,0 +1,565 @@ +/** + ****************************************************************************** + * @file usbd_core.c + * @author MCD Application Team + * @version V2.4.2 + * @date 11-December-2015 + * @brief This file provides all the USBD core functions. + ****************************************************************************** + * @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_core.h" + +/** @addtogroup STM32_USBD_DEVICE_LIBRARY +* @{ +*/ + + +/** @defgroup USBD_CORE +* @brief usbd core module +* @{ +*/ + +/** @defgroup USBD_CORE_Private_TypesDefinitions +* @{ +*/ +/** +* @} +*/ + + +/** @defgroup USBD_CORE_Private_Defines +* @{ +*/ + +/** +* @} +*/ + + +/** @defgroup USBD_CORE_Private_Macros +* @{ +*/ +/** +* @} +*/ + + + + +/** @defgroup USBD_CORE_Private_FunctionPrototypes +* @{ +*/ + +/** +* @} +*/ + +/** @defgroup USBD_CORE_Private_Variables +* @{ +*/ + +/** +* @} +*/ + +/** @defgroup USBD_CORE_Private_Functions +* @{ +*/ + +/** +* @brief USBD_Init +* Initializes the device stack and load the class driver +* @param pdev: device instance +* @param pdesc: Descriptor structure address +* @param id: Low level core index +* @retval None +*/ +USBD_StatusTypeDef USBD_Init(USBD_HandleTypeDef *pdev, USBD_DescriptorsTypeDef *pdesc, uint8_t id) +{ + /* Check whether the USB Host handle is valid */ + if(pdev == NULL) + { + USBD_ErrLog("Invalid Device handle"); + return USBD_FAIL; + } + + /* Unlink previous class*/ + if(pdev->pClass != NULL) + { + pdev->pClass = NULL; + } + + /* Assign USBD Descriptors */ + if(pdesc != NULL) + { + pdev->pDesc = pdesc; + } + + /* Set Device initial State */ + pdev->dev_state = USBD_STATE_DEFAULT; + pdev->id = id; + /* Initialize low level driver */ + USBD_LL_Init(pdev); + + return USBD_OK; +} + +/** +* @brief USBD_DeInit +* Re-Initialize th device library +* @param pdev: device instance +* @retval status: status +*/ +USBD_StatusTypeDef USBD_DeInit(USBD_HandleTypeDef *pdev) +{ + /* Set Default State */ + pdev->dev_state = USBD_STATE_DEFAULT; + + /* Free Class Resources */ + pdev->pClass->DeInit(pdev, pdev->dev_config); + + /* Stop the low level driver */ + USBD_LL_Stop(pdev); + + /* Initialize low level driver */ + USBD_LL_DeInit(pdev); + + return USBD_OK; +} + + +/** + * @brief USBD_RegisterClass + * Link class driver to Device Core. + * @param pDevice : Device Handle + * @param pclass: Class handle + * @retval USBD Status + */ +USBD_StatusTypeDef USBD_RegisterClass(USBD_HandleTypeDef *pdev, USBD_ClassTypeDef *pclass) +{ + USBD_StatusTypeDef status = USBD_OK; + if(pclass != 0) + { + /* link the class to the USB Device handle */ + pdev->pClass = pclass; + status = USBD_OK; + } + else + { + USBD_ErrLog("Invalid Class handle"); + status = USBD_FAIL; + } + + return status; +} + +/** + * @brief USBD_Start + * Start the USB Device Core. + * @param pdev: Device Handle + * @retval USBD Status + */ +USBD_StatusTypeDef USBD_Start (USBD_HandleTypeDef *pdev) +{ + + /* Start the low level driver */ + USBD_LL_Start(pdev); + + return USBD_OK; +} + +/** + * @brief USBD_Stop + * Stop the USB Device Core. + * @param pdev: Device Handle + * @retval USBD Status + */ +USBD_StatusTypeDef USBD_Stop (USBD_HandleTypeDef *pdev) +{ + /* Free Class Resources */ + pdev->pClass->DeInit(pdev, pdev->dev_config); + + /* Stop the low level driver */ + USBD_LL_Stop(pdev); + + return USBD_OK; +} + +/** +* @brief USBD_RunTestMode +* Launch test mode process +* @param pdev: device instance +* @retval status +*/ +USBD_StatusTypeDef USBD_RunTestMode (USBD_HandleTypeDef *pdev) +{ + return USBD_OK; +} + + +/** +* @brief USBD_SetClassConfig +* Configure device and start the interface +* @param pdev: device instance +* @param cfgidx: configuration index +* @retval status +*/ + +USBD_StatusTypeDef USBD_SetClassConfig(USBD_HandleTypeDef *pdev, uint8_t cfgidx) +{ + USBD_StatusTypeDef ret = USBD_FAIL; + + if(pdev->pClass != NULL) + { + /* Set configuration and Start the Class*/ + if(pdev->pClass->Init(pdev, cfgidx) == 0) + { + ret = USBD_OK; + } + } + return ret; +} + +/** +* @brief USBD_ClrClassConfig +* Clear current configuration +* @param pdev: device instance +* @param cfgidx: configuration index +* @retval status: USBD_StatusTypeDef +*/ +USBD_StatusTypeDef USBD_ClrClassConfig(USBD_HandleTypeDef *pdev, uint8_t cfgidx) +{ + /* Clear configuration and De-initialize the Class process*/ + pdev->pClass->DeInit(pdev, cfgidx); + return USBD_OK; +} + + +/** +* @brief USBD_SetupStage +* Handle the setup stage +* @param pdev: device instance +* @retval status +*/ +USBD_StatusTypeDef USBD_LL_SetupStage(USBD_HandleTypeDef *pdev, uint8_t *psetup) +{ + + USBD_ParseSetupRequest(&pdev->request, psetup); + + pdev->ep0_state = USBD_EP0_SETUP; + pdev->ep0_data_len = pdev->request.wLength; + + switch (pdev->request.bmRequest & 0x1F) + { + case USB_REQ_RECIPIENT_DEVICE: + USBD_StdDevReq (pdev, &pdev->request); + break; + + case USB_REQ_RECIPIENT_INTERFACE: + USBD_StdItfReq(pdev, &pdev->request); + break; + + case USB_REQ_RECIPIENT_ENDPOINT: + USBD_StdEPReq(pdev, &pdev->request); + break; + + default: + USBD_LL_StallEP(pdev , pdev->request.bmRequest & 0x80); + break; + } + return USBD_OK; +} + +/** +* @brief USBD_DataOutStage +* Handle data OUT stage +* @param pdev: device instance +* @param epnum: endpoint index +* @retval status +*/ +USBD_StatusTypeDef USBD_LL_DataOutStage(USBD_HandleTypeDef *pdev , uint8_t epnum, uint8_t *pdata) +{ + USBD_EndpointTypeDef *pep; + + if(epnum == 0) + { + pep = &pdev->ep_out[0]; + + if ( pdev->ep0_state == USBD_EP0_DATA_OUT) + { + if(pep->rem_length > pep->maxpacket) + { + pep->rem_length -= pep->maxpacket; + + USBD_CtlContinueRx (pdev, + pdata, + MIN(pep->rem_length ,pep->maxpacket)); + } + else + { + if((pdev->pClass->EP0_RxReady != NULL)&& + (pdev->dev_state == USBD_STATE_CONFIGURED)) + { + pdev->pClass->EP0_RxReady(pdev); + } + USBD_CtlSendStatus(pdev); + } + } + } + else if((pdev->pClass->DataOut != NULL)&& + (pdev->dev_state == USBD_STATE_CONFIGURED)) + { + pdev->pClass->DataOut(pdev, epnum); + } + return USBD_OK; +} + +/** +* @brief USBD_DataInStage +* Handle data in stage +* @param pdev: device instance +* @param epnum: endpoint index +* @retval status +*/ +USBD_StatusTypeDef USBD_LL_DataInStage(USBD_HandleTypeDef *pdev ,uint8_t epnum, uint8_t *pdata) +{ + USBD_EndpointTypeDef *pep; + + if(epnum == 0) + { + pep = &pdev->ep_in[0]; + + if ( pdev->ep0_state == USBD_EP0_DATA_IN) + { + if(pep->rem_length > pep->maxpacket) + { + pep->rem_length -= pep->maxpacket; + + USBD_CtlContinueSendData (pdev, + pdata, + pep->rem_length); + + /* Prepare endpoint for premature end of transfer */ + USBD_LL_PrepareReceive (pdev, + 0, + NULL, + 0); + } + else + { /* last packet is MPS multiple, so send ZLP packet */ + if((pep->total_length % pep->maxpacket == 0) && + (pep->total_length >= pep->maxpacket) && + (pep->total_length < pdev->ep0_data_len )) + { + + USBD_CtlContinueSendData(pdev , NULL, 0); + pdev->ep0_data_len = 0; + + /* Prepare endpoint for premature end of transfer */ + USBD_LL_PrepareReceive (pdev, + 0, + NULL, + 0); + } + else + { + if((pdev->pClass->EP0_TxSent != NULL)&& + (pdev->dev_state == USBD_STATE_CONFIGURED)) + { + pdev->pClass->EP0_TxSent(pdev); + } + USBD_CtlReceiveStatus(pdev); + } + } + } + if (pdev->dev_test_mode == 1) + { + USBD_RunTestMode(pdev); + pdev->dev_test_mode = 0; + } + } + else if((pdev->pClass->DataIn != NULL)&& + (pdev->dev_state == USBD_STATE_CONFIGURED)) + { + pdev->pClass->DataIn(pdev, epnum); + } + return USBD_OK; +} + +/** +* @brief USBD_LL_Reset +* Handle Reset event +* @param pdev: device instance +* @retval status +*/ + +USBD_StatusTypeDef USBD_LL_Reset(USBD_HandleTypeDef *pdev) +{ + /* Open EP0 OUT */ + USBD_LL_OpenEP(pdev, + 0x00, + USBD_EP_TYPE_CTRL, + USB_MAX_EP0_SIZE); + + pdev->ep_out[0].maxpacket = USB_MAX_EP0_SIZE; + + /* Open EP0 IN */ + USBD_LL_OpenEP(pdev, + 0x80, + USBD_EP_TYPE_CTRL, + USB_MAX_EP0_SIZE); + + pdev->ep_in[0].maxpacket = USB_MAX_EP0_SIZE; + /* Upon Reset call user call back */ + pdev->dev_state = USBD_STATE_DEFAULT; + + if (pdev->pClassData) + pdev->pClass->DeInit(pdev, pdev->dev_config); + + + return USBD_OK; +} + + + + +/** +* @brief USBD_LL_Reset +* Handle Reset event +* @param pdev: device instance +* @retval status +*/ +USBD_StatusTypeDef USBD_LL_SetSpeed(USBD_HandleTypeDef *pdev, USBD_SpeedTypeDef speed) +{ + pdev->dev_speed = speed; + return USBD_OK; +} + +/** +* @brief USBD_Suspend +* Handle Suspend event +* @param pdev: device instance +* @retval status +*/ + +USBD_StatusTypeDef USBD_LL_Suspend(USBD_HandleTypeDef *pdev) +{ + pdev->dev_old_state = pdev->dev_state; + pdev->dev_state = USBD_STATE_SUSPENDED; + return USBD_OK; +} + +/** +* @brief USBD_Resume +* Handle Resume event +* @param pdev: device instance +* @retval status +*/ + +USBD_StatusTypeDef USBD_LL_Resume(USBD_HandleTypeDef *pdev) +{ + pdev->dev_state = pdev->dev_old_state; + return USBD_OK; +} + +/** +* @brief USBD_SOF +* Handle SOF event +* @param pdev: device instance +* @retval status +*/ + +USBD_StatusTypeDef USBD_LL_SOF(USBD_HandleTypeDef *pdev) +{ + if(pdev->dev_state == USBD_STATE_CONFIGURED) + { + if(pdev->pClass->SOF != NULL) + { + pdev->pClass->SOF(pdev); + } + } + return USBD_OK; +} + +/** +* @brief USBD_IsoINIncomplete +* Handle iso in incomplete event +* @param pdev: device instance +* @retval status +*/ +USBD_StatusTypeDef USBD_LL_IsoINIncomplete(USBD_HandleTypeDef *pdev, uint8_t epnum) +{ + return USBD_OK; +} + +/** +* @brief USBD_IsoOUTIncomplete +* Handle iso out incomplete event +* @param pdev: device instance +* @retval status +*/ +USBD_StatusTypeDef USBD_LL_IsoOUTIncomplete(USBD_HandleTypeDef *pdev, uint8_t epnum) +{ + return USBD_OK; +} + +/** +* @brief USBD_DevConnected +* Handle device connection event +* @param pdev: device instance +* @retval status +*/ +USBD_StatusTypeDef USBD_LL_DevConnected(USBD_HandleTypeDef *pdev) +{ + return USBD_OK; +} + +/** +* @brief USBD_DevDisconnected +* Handle device disconnection event +* @param pdev: device instance +* @retval status +*/ +USBD_StatusTypeDef USBD_LL_DevDisconnected(USBD_HandleTypeDef *pdev) +{ + /* Free Class Resources */ + pdev->dev_state = USBD_STATE_DEFAULT; + pdev->pClass->DeInit(pdev, pdev->dev_config); + + return USBD_OK; +} +/** +* @} +*/ + + +/** +* @} +*/ + + +/** +* @} +*/ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ + |