From ed65605edc5c1376947a34723b9c750400b5a028 Mon Sep 17 00:00:00 2001 From: Damien Date: Sun, 13 Oct 2013 00:42:20 +0100 Subject: Inital commit of stm32f4xx framework. --- stm/lib/usbd_core.c | 506 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 506 insertions(+) create mode 100644 stm/lib/usbd_core.c (limited to 'stm/lib/usbd_core.c') diff --git a/stm/lib/usbd_core.c b/stm/lib/usbd_core.c new file mode 100644 index 000000000..fa647eb0f --- /dev/null +++ b/stm/lib/usbd_core.c @@ -0,0 +1,506 @@ +/** + ****************************************************************************** + * @file usbd_core.c + * @author MCD Application Team + * @version V1.1.0 + * @date 19-March-2012 + * @brief This file provides all the USBD core functions. + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * 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" +#include "usbd_req.h" +#include "usbd_ioreq.h" +#include "usb_dcd_int.h" +#include "usb_bsp.h" + +/** @addtogroup STM32_USB_OTG_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 +* @{ +*/ +static uint8_t USBD_SetupStage(USB_OTG_CORE_HANDLE *pdev); +static uint8_t USBD_DataOutStage(USB_OTG_CORE_HANDLE *pdev , uint8_t epnum); +static uint8_t USBD_DataInStage(USB_OTG_CORE_HANDLE *pdev , uint8_t epnum); +static uint8_t USBD_SOF(USB_OTG_CORE_HANDLE *pdev); +static uint8_t USBD_Reset(USB_OTG_CORE_HANDLE *pdev); +static uint8_t USBD_Suspend(USB_OTG_CORE_HANDLE *pdev); +static uint8_t USBD_Resume(USB_OTG_CORE_HANDLE *pdev); +#ifdef VBUS_SENSING_ENABLED +static uint8_t USBD_DevConnected(USB_OTG_CORE_HANDLE *pdev); +static uint8_t USBD_DevDisconnected(USB_OTG_CORE_HANDLE *pdev); +#endif +static uint8_t USBD_IsoINIncomplete(USB_OTG_CORE_HANDLE *pdev); +static uint8_t USBD_IsoOUTIncomplete(USB_OTG_CORE_HANDLE *pdev); +static uint8_t USBD_RunTestMode (USB_OTG_CORE_HANDLE *pdev) ; +/** +* @} +*/ + +/** @defgroup USBD_CORE_Private_Variables +* @{ +*/ + +__IO USB_OTG_DCTL_TypeDef SET_TEST_MODE; + +USBD_DCD_INT_cb_TypeDef USBD_DCD_INT_cb = +{ + USBD_DataOutStage, + USBD_DataInStage, + USBD_SetupStage, + USBD_SOF, + USBD_Reset, + USBD_Suspend, + USBD_Resume, + USBD_IsoINIncomplete, + USBD_IsoOUTIncomplete, +#ifdef VBUS_SENSING_ENABLED +USBD_DevConnected, +USBD_DevDisconnected, +#endif +}; + +USBD_DCD_INT_cb_TypeDef *USBD_DCD_INT_fops = &USBD_DCD_INT_cb; +/** +* @} +*/ + +/** @defgroup USBD_CORE_Private_Functions +* @{ +*/ + +/** +* @brief USBD_Init +* Initailizes the device stack and load the class driver +* @param pdev: device instance +* @param core_address: USB OTG core ID +* @param class_cb: Class callback structure address +* @param usr_cb: User callback structure address +* @retval None +*/ +void USBD_Init(USB_OTG_CORE_HANDLE *pdev, + USB_OTG_CORE_ID_TypeDef coreID, + USBD_DEVICE *pDevice, + USBD_Class_cb_TypeDef *class_cb, + USBD_Usr_cb_TypeDef *usr_cb) +{ + /* Hardware Init */ + USB_OTG_BSP_Init(pdev); + + USBD_DeInit(pdev); + + /*Register class and user callbacks */ + pdev->dev.class_cb = class_cb; + pdev->dev.usr_cb = usr_cb; + pdev->dev.usr_device = pDevice; + + /* set USB OTG core params */ + DCD_Init(pdev , coreID); + + /* Upon Init call usr callback */ + pdev->dev.usr_cb->Init(); + + /* Enable Interrupts */ + USB_OTG_BSP_EnableInterrupt(pdev); +} + +/** +* @brief USBD_DeInit +* Re-Initialize th device library +* @param pdev: device instance +* @retval status: status +*/ +USBD_Status USBD_DeInit(USB_OTG_CORE_HANDLE *pdev) +{ + /* Software Init */ + + return USBD_OK; +} + +/** +* @brief USBD_SetupStage +* Handle the setup stage +* @param pdev: device instance +* @retval status +*/ +static uint8_t USBD_SetupStage(USB_OTG_CORE_HANDLE *pdev) +{ + USB_SETUP_REQ req; + + USBD_ParseSetupRequest(pdev , &req); + + switch (req.bmRequest & 0x1F) + { + case USB_REQ_RECIPIENT_DEVICE: + USBD_StdDevReq (pdev, &req); + break; + + case USB_REQ_RECIPIENT_INTERFACE: + USBD_StdItfReq(pdev, &req); + break; + + case USB_REQ_RECIPIENT_ENDPOINT: + USBD_StdEPReq(pdev, &req); + break; + + default: + DCD_EP_Stall(pdev , req.bmRequest & 0x80); + break; + } + return USBD_OK; +} + +/** +* @brief USBD_DataOutStage +* Handle data out stage +* @param pdev: device instance +* @param epnum: endpoint index +* @retval status +*/ +static uint8_t USBD_DataOutStage(USB_OTG_CORE_HANDLE *pdev , uint8_t epnum) +{ + USB_OTG_EP *ep; + + if(epnum == 0) + { + ep = &pdev->dev.out_ep[0]; + if ( pdev->dev.device_state == USB_OTG_EP0_DATA_OUT) + { + if(ep->rem_data_len > ep->maxpacket) + { + ep->rem_data_len -= ep->maxpacket; + + if(pdev->cfg.dma_enable == 1) + { + /* in slave mode this, is handled by the RxSTSQLvl ISR */ + ep->xfer_buff += ep->maxpacket; + } + USBD_CtlContinueRx (pdev, + ep->xfer_buff, + MIN(ep->rem_data_len ,ep->maxpacket)); + } + else + { + if((pdev->dev.class_cb->EP0_RxReady != NULL)&& + (pdev->dev.device_status == USB_OTG_CONFIGURED)) + { + pdev->dev.class_cb->EP0_RxReady(pdev); + } + USBD_CtlSendStatus(pdev); + } + } + } + else if((pdev->dev.class_cb->DataOut != NULL)&& + (pdev->dev.device_status == USB_OTG_CONFIGURED)) + { + pdev->dev.class_cb->DataOut(pdev, epnum); + } + return USBD_OK; +} + +/** +* @brief USBD_DataInStage +* Handle data in stage +* @param pdev: device instance +* @param epnum: endpoint index +* @retval status +*/ +static uint8_t USBD_DataInStage(USB_OTG_CORE_HANDLE *pdev , uint8_t epnum) +{ + USB_OTG_EP *ep; + + if(epnum == 0) + { + ep = &pdev->dev.in_ep[0]; + if ( pdev->dev.device_state == USB_OTG_EP0_DATA_IN) + { + if(ep->rem_data_len > ep->maxpacket) + { + ep->rem_data_len -= ep->maxpacket; + if(pdev->cfg.dma_enable == 1) + { + /* in slave mode this, is handled by the TxFifoEmpty ISR */ + ep->xfer_buff += ep->maxpacket; + } + USBD_CtlContinueSendData (pdev, + ep->xfer_buff, + ep->rem_data_len); + } + else + { /* last packet is MPS multiple, so send ZLP packet */ + if((ep->total_data_len % ep->maxpacket == 0) && + (ep->total_data_len >= ep->maxpacket) && + (ep->total_data_len < ep->ctl_data_len )) + { + + USBD_CtlContinueSendData(pdev , NULL, 0); + ep->ctl_data_len = 0; + } + else + { + if((pdev->dev.class_cb->EP0_TxSent != NULL)&& + (pdev->dev.device_status == USB_OTG_CONFIGURED)) + { + pdev->dev.class_cb->EP0_TxSent(pdev); + } + USBD_CtlReceiveStatus(pdev); + } + } + } + if (pdev->dev.test_mode == 1) + { + USBD_RunTestMode(pdev); + pdev->dev.test_mode = 0; + } + } + else if((pdev->dev.class_cb->DataIn != NULL)&& + (pdev->dev.device_status == USB_OTG_CONFIGURED)) + { + pdev->dev.class_cb->DataIn(pdev, epnum); + } + return USBD_OK; +} + + + + +/** +* @brief USBD_RunTestMode +* Launch test mode process +* @param pdev: device instance +* @retval status +*/ +static uint8_t USBD_RunTestMode (USB_OTG_CORE_HANDLE *pdev) +{ + USB_OTG_WRITE_REG32(&pdev->regs.DREGS->DCTL, SET_TEST_MODE.d32); + return USBD_OK; +} + +/** +* @brief USBD_Reset +* Handle Reset event +* @param pdev: device instance +* @retval status +*/ + +static uint8_t USBD_Reset(USB_OTG_CORE_HANDLE *pdev) +{ + /* Open EP0 OUT */ + DCD_EP_Open(pdev, + 0x00, + USB_OTG_MAX_EP0_SIZE, + EP_TYPE_CTRL); + + /* Open EP0 IN */ + DCD_EP_Open(pdev, + 0x80, + USB_OTG_MAX_EP0_SIZE, + EP_TYPE_CTRL); + + /* Upon Reset call usr call back */ + pdev->dev.device_status = USB_OTG_DEFAULT; + pdev->dev.usr_cb->DeviceReset(pdev->cfg.speed); + + return USBD_OK; +} + +/** +* @brief USBD_Resume +* Handle Resume event +* @param pdev: device instance +* @retval status +*/ + +static uint8_t USBD_Resume(USB_OTG_CORE_HANDLE *pdev) +{ + /* Upon Resume call usr call back */ + pdev->dev.usr_cb->DeviceResumed(); + pdev->dev.device_status = pdev->dev.device_old_status; + pdev->dev.device_status = USB_OTG_CONFIGURED; + return USBD_OK; +} + + +/** +* @brief USBD_Suspend +* Handle Suspend event +* @param pdev: device instance +* @retval status +*/ + +static uint8_t USBD_Suspend(USB_OTG_CORE_HANDLE *pdev) +{ + pdev->dev.device_old_status = pdev->dev.device_status; + pdev->dev.device_status = USB_OTG_SUSPENDED; + /* Upon Resume call usr call back */ + pdev->dev.usr_cb->DeviceSuspended(); + return USBD_OK; +} + + +/** +* @brief USBD_SOF +* Handle SOF event +* @param pdev: device instance +* @retval status +*/ + +static uint8_t USBD_SOF(USB_OTG_CORE_HANDLE *pdev) +{ + if(pdev->dev.class_cb->SOF) + { + pdev->dev.class_cb->SOF(pdev); + } + return USBD_OK; +} +/** +* @brief USBD_SetCfg +* Configure device and start the interface +* @param pdev: device instance +* @param cfgidx: configuration index +* @retval status +*/ + +USBD_Status USBD_SetCfg(USB_OTG_CORE_HANDLE *pdev, uint8_t cfgidx) +{ + pdev->dev.class_cb->Init(pdev, cfgidx); + + /* Upon set config call usr call back */ + pdev->dev.usr_cb->DeviceConfigured(); + return USBD_OK; +} + +/** +* @brief USBD_ClrCfg +* Clear current configuration +* @param pdev: device instance +* @param cfgidx: configuration index +* @retval status: USBD_Status +*/ +USBD_Status USBD_ClrCfg(USB_OTG_CORE_HANDLE *pdev, uint8_t cfgidx) +{ + pdev->dev.class_cb->DeInit(pdev, cfgidx); + return USBD_OK; +} + +/** +* @brief USBD_IsoINIncomplete +* Handle iso in incomplete event +* @param pdev: device instance +* @retval status +*/ +static uint8_t USBD_IsoINIncomplete(USB_OTG_CORE_HANDLE *pdev) +{ + pdev->dev.class_cb->IsoINIncomplete(pdev); + return USBD_OK; +} + +/** +* @brief USBD_IsoOUTIncomplete +* Handle iso out incomplete event +* @param pdev: device instance +* @retval status +*/ +static uint8_t USBD_IsoOUTIncomplete(USB_OTG_CORE_HANDLE *pdev) +{ + pdev->dev.class_cb->IsoOUTIncomplete(pdev); + return USBD_OK; +} + +#ifdef VBUS_SENSING_ENABLED +/** +* @brief USBD_DevConnected +* Handle device connection event +* @param pdev: device instance +* @retval status +*/ +static uint8_t USBD_DevConnected(USB_OTG_CORE_HANDLE *pdev) +{ + pdev->dev.usr_cb->DeviceConnected(); + pdev->dev.connection_status = 1; + return USBD_OK; +} + +/** +* @brief USBD_DevDisconnected +* Handle device disconnection event +* @param pdev: device instance +* @retval status +*/ +static uint8_t USBD_DevDisconnected(USB_OTG_CORE_HANDLE *pdev) +{ + pdev->dev.usr_cb->DeviceDisconnected(); + pdev->dev.class_cb->DeInit(pdev, 0); + pdev->dev.connection_status = 0; + return USBD_OK; +} +#endif +/** +* @} +*/ + + +/** +* @} +*/ + + +/** +* @} +*/ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ + -- cgit v1.2.3