diff --git a/usb_core.c b/usb_core.c deleted file mode 100644 --- a/usb_core.c +++ /dev/null @@ -1,1033 +0,0 @@ -/** - ****************************************************************************** - * @file usb_core.c - * @author MCD Application Team - * @version V4.0.0 - * @date 28-August-2012 - * @brief Standard protocol processing (USB v2.0) - ****************************************************************************** - * @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 "usb_lib.h" -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -#define ValBit(VAR,Place) (VAR & (1 << Place)) -#define SetBit(VAR,Place) (VAR |= (1 << Place)) -#define ClrBit(VAR,Place) (VAR &= ((1 << Place) ^ 255)) -#define Send0LengthData() { _SetEPTxCount(ENDP0, 0); \ - vSetEPTxStatus(EP_TX_VALID); \ - } - -#define vSetEPRxStatus(st) (SaveRState = st) -#define vSetEPTxStatus(st) (SaveTState = st) - -#define USB_StatusIn() Send0LengthData() -#define USB_StatusOut() vSetEPRxStatus(EP_RX_VALID) - -#define StatusInfo0 StatusInfo.bw.bb1 /* Reverse bb0 & bb1 */ -#define StatusInfo1 StatusInfo.bw.bb0 - -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -uint16_t_uint8_t StatusInfo; - -bool Data_Mul_MaxPacketSize = FALSE; -/* Private function prototypes -----------------------------------------------*/ -static void DataStageOut(void); -static void DataStageIn(void); -static void NoData_Setup0(void); -static void Data_Setup0(void); -/* Private functions ---------------------------------------------------------*/ - -/******************************************************************************* -* Function Name : Standard_GetConfiguration. -* Description : Return the current configuration variable address. -* Input : Length - How many bytes are needed. -* Output : None. -* Return : Return 1 , if the request is invalid when "Length" is 0. -* Return "Buffer" if the "Length" is not 0. -*******************************************************************************/ -uint8_t *Standard_GetConfiguration(uint16_t Length) -{ - if (Length == 0) - { - pInformation->Ctrl_Info.Usb_wLength = - sizeof(pInformation->Current_Configuration); - return 0; - } - pUser_Standard_Requests->User_GetConfiguration(); - return (uint8_t *)&pInformation->Current_Configuration; -} - -/******************************************************************************* -* Function Name : Standard_SetConfiguration. -* Description : This routine is called to set the configuration value -* Then each class should configure device itself. -* Input : None. -* Output : None. -* Return : Return USB_SUCCESS, if the request is performed. -* Return USB_UNSUPPORT, if the request is invalid. -*******************************************************************************/ -RESULT Standard_SetConfiguration(void) -{ - - if ((pInformation->USBwValue0 <= - Device_Table.Total_Configuration) && (pInformation->USBwValue1 == 0) - && (pInformation->USBwIndex == 0)) /*call Back usb spec 2.0*/ - { - pInformation->Current_Configuration = pInformation->USBwValue0; - pUser_Standard_Requests->User_SetConfiguration(); - return USB_SUCCESS; - } - else - { - return USB_UNSUPPORT; - } -} - -/******************************************************************************* -* Function Name : Standard_GetInterface. -* Description : Return the Alternate Setting of the current interface. -* Input : Length - How many bytes are needed. -* Output : None. -* Return : Return 0, if the request is invalid when "Length" is 0. -* Return "Buffer" if the "Length" is not 0. -*******************************************************************************/ -uint8_t *Standard_GetInterface(uint16_t Length) -{ - if (Length == 0) - { - pInformation->Ctrl_Info.Usb_wLength = - sizeof(pInformation->Current_AlternateSetting); - return 0; - } - pUser_Standard_Requests->User_GetInterface(); - return (uint8_t *)&pInformation->Current_AlternateSetting; -} - -/******************************************************************************* -* Function Name : Standard_SetInterface. -* Description : This routine is called to set the interface. -* Then each class should configure the interface them self. -* Input : None. -* Output : None. -* Return : - Return USB_SUCCESS, if the request is performed. -* - Return USB_UNSUPPORT, if the request is invalid. -*******************************************************************************/ -RESULT Standard_SetInterface(void) -{ - RESULT Re; - /*Test if the specified Interface and Alternate Setting are supported by - the application Firmware*/ - Re = (*pProperty->Class_Get_Interface_Setting)(pInformation->USBwIndex0, pInformation->USBwValue0); - - if (pInformation->Current_Configuration != 0) - { - if ((Re != USB_SUCCESS) || (pInformation->USBwIndex1 != 0) - || (pInformation->USBwValue1 != 0)) - { - return USB_UNSUPPORT; - } - else if (Re == USB_SUCCESS) - { - pUser_Standard_Requests->User_SetInterface(); - pInformation->Current_Interface = pInformation->USBwIndex0; - pInformation->Current_AlternateSetting = pInformation->USBwValue0; - return USB_SUCCESS; - } - - } - - return USB_UNSUPPORT; -} - -/******************************************************************************* -* Function Name : Standard_GetStatus. -* Description : Copy the device request data to "StatusInfo buffer". -* Input : - Length - How many bytes are needed. -* Output : None. -* Return : Return 0, if the request is at end of data block, -* or is invalid when "Length" is 0. -*******************************************************************************/ -uint8_t *Standard_GetStatus(uint16_t Length) -{ - if (Length == 0) - { - pInformation->Ctrl_Info.Usb_wLength = 2; - return 0; - } - - /* Reset Status Information */ - StatusInfo.w = 0; - - if (Type_Recipient == (STANDARD_REQUEST | DEVICE_RECIPIENT)) - { - /*Get Device Status */ - uint8_t Feature = pInformation->Current_Feature; - - /* Remote Wakeup enabled */ - if (ValBit(Feature, 5)) - { - SetBit(StatusInfo0, 1); - } - else - { - ClrBit(StatusInfo0, 1); - } - - /* Bus-powered */ - if (ValBit(Feature, 6)) - { - SetBit(StatusInfo0, 0); - } - else /* Self-powered */ - { - ClrBit(StatusInfo0, 0); - } - } - /*Interface Status*/ - else if (Type_Recipient == (STANDARD_REQUEST | INTERFACE_RECIPIENT)) - { - return (uint8_t *)&StatusInfo; - } - /*Get EndPoint Status*/ - else if (Type_Recipient == (STANDARD_REQUEST | ENDPOINT_RECIPIENT)) - { - uint8_t Related_Endpoint; - uint8_t wIndex0 = pInformation->USBwIndex0; - - Related_Endpoint = (wIndex0 & 0x0f); - if (ValBit(wIndex0, 7)) - { - /* IN endpoint */ - if (_GetTxStallStatus(Related_Endpoint)) - { - SetBit(StatusInfo0, 0); /* IN Endpoint stalled */ - } - } - else - { - /* OUT endpoint */ - if (_GetRxStallStatus(Related_Endpoint)) - { - SetBit(StatusInfo0, 0); /* OUT Endpoint stalled */ - } - } - - } - else - { - return NULL; - } - pUser_Standard_Requests->User_GetStatus(); - return (uint8_t *)&StatusInfo; -} - -/******************************************************************************* -* Function Name : Standard_ClearFeature. -* Description : Clear or disable a specific feature. -* Input : None. -* Output : None. -* Return : - Return USB_SUCCESS, if the request is performed. -* - Return USB_UNSUPPORT, if the request is invalid. -*******************************************************************************/ -RESULT Standard_ClearFeature(void) -{ - uint32_t Type_Rec = Type_Recipient; - uint32_t Status; - - - if (Type_Rec == (STANDARD_REQUEST | DEVICE_RECIPIENT)) - {/*Device Clear Feature*/ - ClrBit(pInformation->Current_Feature, 5); - return USB_SUCCESS; - } - else if (Type_Rec == (STANDARD_REQUEST | ENDPOINT_RECIPIENT)) - {/*EndPoint Clear Feature*/ - DEVICE* pDev; - uint32_t Related_Endpoint; - uint32_t wIndex0; - uint32_t rEP; - - if ((pInformation->USBwValue != ENDPOINT_STALL) - || (pInformation->USBwIndex1 != 0)) - { - return USB_UNSUPPORT; - } - - pDev = &Device_Table; - wIndex0 = pInformation->USBwIndex0; - rEP = wIndex0 & ~0x80; - Related_Endpoint = ENDP0 + rEP; - - if (ValBit(pInformation->USBwIndex0, 7)) - { - /*Get Status of endpoint & stall the request if the related_ENdpoint - is Disabled*/ - Status = _GetEPTxStatus(Related_Endpoint); - } - else - { - Status = _GetEPRxStatus(Related_Endpoint); - } - - if ((rEP >= pDev->Total_Endpoint) || (Status == 0) - || (pInformation->Current_Configuration == 0)) - { - return USB_UNSUPPORT; - } - - - if (wIndex0 & 0x80) - { - /* IN endpoint */ - if (_GetTxStallStatus(Related_Endpoint )) - { - ClearDTOG_TX(Related_Endpoint); - SetEPTxStatus(Related_Endpoint, EP_TX_VALID); - } - } - else - { - /* OUT endpoint */ - if (_GetRxStallStatus(Related_Endpoint)) - { - if (Related_Endpoint == ENDP0) - { - /* After clear the STALL, enable the default endpoint receiver */ - SetEPRxCount(Related_Endpoint, Device_Property.MaxPacketSize); - _SetEPRxStatus(Related_Endpoint, EP_RX_VALID); - } - else - { - ClearDTOG_RX(Related_Endpoint); - _SetEPRxStatus(Related_Endpoint, EP_RX_VALID); - } - } - } - pUser_Standard_Requests->User_ClearFeature(); - return USB_SUCCESS; - } - - return USB_UNSUPPORT; -} - -/******************************************************************************* -* Function Name : Standard_SetEndPointFeature -* Description : Set or enable a specific feature of EndPoint -* Input : None. -* Output : None. -* Return : - Return USB_SUCCESS, if the request is performed. -* - Return USB_UNSUPPORT, if the request is invalid. -*******************************************************************************/ -RESULT Standard_SetEndPointFeature(void) -{ - uint32_t wIndex0; - uint32_t Related_Endpoint; - uint32_t rEP; - uint32_t Status; - - wIndex0 = pInformation->USBwIndex0; - rEP = wIndex0 & ~0x80; - Related_Endpoint = ENDP0 + rEP; - - if (ValBit(pInformation->USBwIndex0, 7)) - { - /* get Status of endpoint & stall the request if the related_ENdpoint - is Disabled*/ - Status = _GetEPTxStatus(Related_Endpoint); - } - else - { - Status = _GetEPRxStatus(Related_Endpoint); - } - - if (Related_Endpoint >= Device_Table.Total_Endpoint - || pInformation->USBwValue != 0 || Status == 0 - || pInformation->Current_Configuration == 0) - { - return USB_UNSUPPORT; - } - else - { - if (wIndex0 & 0x80) - { - /* IN endpoint */ - _SetEPTxStatus(Related_Endpoint, EP_TX_STALL); - } - - else - { - /* OUT endpoint */ - _SetEPRxStatus(Related_Endpoint, EP_RX_STALL); - } - } - pUser_Standard_Requests->User_SetEndPointFeature(); - return USB_SUCCESS; -} - -/******************************************************************************* -* Function Name : Standard_SetDeviceFeature. -* Description : Set or enable a specific feature of Device. -* Input : None. -* Output : None. -* Return : - Return USB_SUCCESS, if the request is performed. -* - Return USB_UNSUPPORT, if the request is invalid. -*******************************************************************************/ -RESULT Standard_SetDeviceFeature(void) -{ - SetBit(pInformation->Current_Feature, 5); - pUser_Standard_Requests->User_SetDeviceFeature(); - return USB_SUCCESS; -} - -/******************************************************************************* -* Function Name : Standard_GetDescriptorData. -* Description : Standard_GetDescriptorData is used for descriptors transfer. -* : This routine is used for the descriptors resident in Flash -* or RAM -* pDesc can be in either Flash or RAM -* The purpose of this routine is to have a versatile way to -* response descriptors request. It allows user to generate -* certain descriptors with software or read descriptors from -* external storage part by part. -* Input : - Length - Length of the data in this transfer. -* - pDesc - A pointer points to descriptor struct. -* The structure gives the initial address of the descriptor and -* its original size. -* Output : None. -* Return : Address of a part of the descriptor pointed by the Usb_ -* wOffset The buffer pointed by this address contains at least -* Length bytes. -*******************************************************************************/ -uint8_t *Standard_GetDescriptorData(uint16_t Length, ONE_DESCRIPTOR *pDesc) -{ - uint32_t wOffset; - - wOffset = pInformation->Ctrl_Info.Usb_wOffset; - if (Length == 0) - { - pInformation->Ctrl_Info.Usb_wLength = pDesc->Descriptor_Size - wOffset; - return 0; - } - - return pDesc->Descriptor + wOffset; -} - -/******************************************************************************* -* Function Name : DataStageOut. -* Description : Data stage of a Control Write Transfer. -* Input : None. -* Output : None. -* Return : None. -*******************************************************************************/ -void DataStageOut(void) -{ - ENDPOINT_INFO *pEPinfo = &pInformation->Ctrl_Info; - uint32_t save_rLength; - - save_rLength = pEPinfo->Usb_rLength; - - if (pEPinfo->CopyData && save_rLength) - { - uint8_t *Buffer; - uint32_t Length; - - Length = pEPinfo->PacketSize; - if (Length > save_rLength) - { - Length = save_rLength; - } - - Buffer = (*pEPinfo->CopyData)(Length); - pEPinfo->Usb_rLength -= Length; - pEPinfo->Usb_rOffset += Length; - PMAToUserBufferCopy(Buffer, GetEPRxAddr(ENDP0), Length); - - } - - if (pEPinfo->Usb_rLength != 0) - { - vSetEPRxStatus(EP_RX_VALID);/* re-enable for next data reception */ - SetEPTxCount(ENDP0, 0); - vSetEPTxStatus(EP_TX_VALID);/* Expect the host to abort the data OUT stage */ - } - /* Set the next State*/ - if (pEPinfo->Usb_rLength >= pEPinfo->PacketSize) - { - pInformation->ControlState = OUT_DATA; - } - else - { - if (pEPinfo->Usb_rLength > 0) - { - pInformation->ControlState = LAST_OUT_DATA; - } - else if (pEPinfo->Usb_rLength == 0) - { - pInformation->ControlState = WAIT_STATUS_IN; - USB_StatusIn(); - } - } -} - -/******************************************************************************* -* Function Name : DataStageIn. -* Description : Data stage of a Control Read Transfer. -* Input : None. -* Output : None. -* Return : None. -*******************************************************************************/ -void DataStageIn(void) -{ - ENDPOINT_INFO *pEPinfo = &pInformation->Ctrl_Info; - uint32_t save_wLength = pEPinfo->Usb_wLength; - uint32_t ControlState = pInformation->ControlState; - - uint8_t *DataBuffer; - uint32_t Length; - - if ((save_wLength == 0) && (ControlState == LAST_IN_DATA)) - { - if(Data_Mul_MaxPacketSize == TRUE) - { - /* No more data to send and empty packet */ - Send0LengthData(); - ControlState = LAST_IN_DATA; - Data_Mul_MaxPacketSize = FALSE; - } - else - { - /* No more data to send so STALL the TX Status*/ - ControlState = WAIT_STATUS_OUT; - vSetEPTxStatus(EP_TX_STALL); - - } - - goto Expect_Status_Out; - } - - Length = pEPinfo->PacketSize; - ControlState = (save_wLength <= Length) ? LAST_IN_DATA : IN_DATA; - - if (Length > save_wLength) - { - Length = save_wLength; - } - - DataBuffer = (*pEPinfo->CopyData)(Length); - - UserToPMABufferCopy(DataBuffer, GetEPTxAddr(ENDP0), Length); - - SetEPTxCount(ENDP0, Length); - - pEPinfo->Usb_wLength -= Length; - pEPinfo->Usb_wOffset += Length; - vSetEPTxStatus(EP_TX_VALID); - - USB_StatusOut();/* Expect the host to abort the data IN stage */ - -Expect_Status_Out: - pInformation->ControlState = ControlState; -} - -/******************************************************************************* -* Function Name : NoData_Setup0. -* Description : Proceed the processing of setup request without data stage. -* Input : None. -* Output : None. -* Return : None. -*******************************************************************************/ -void NoData_Setup0(void) -{ - RESULT Result = USB_UNSUPPORT; - uint32_t RequestNo = pInformation->USBbRequest; - uint32_t ControlState; - - if (Type_Recipient == (STANDARD_REQUEST | DEVICE_RECIPIENT)) - { - /* Device Request*/ - /* SET_CONFIGURATION*/ - if (RequestNo == SET_CONFIGURATION) - { - Result = Standard_SetConfiguration(); - } - - /*SET ADDRESS*/ - else if (RequestNo == SET_ADDRESS) - { - if ((pInformation->USBwValue0 > 127) || (pInformation->USBwValue1 != 0) - || (pInformation->USBwIndex != 0) - || (pInformation->Current_Configuration != 0)) - /* Device Address should be 127 or less*/ - { - ControlState = STALLED; - goto exit_NoData_Setup0; - } - else - { - Result = USB_SUCCESS; - } - } - /*SET FEATURE for Device*/ - else if (RequestNo == SET_FEATURE) - { - if ((pInformation->USBwValue0 == DEVICE_REMOTE_WAKEUP) \ - && (pInformation->USBwIndex == 0)) - { - Result = Standard_SetDeviceFeature(); - } - else - { - Result = USB_UNSUPPORT; - } - } - /*Clear FEATURE for Device */ - else if (RequestNo == CLEAR_FEATURE) - { - if (pInformation->USBwValue0 == DEVICE_REMOTE_WAKEUP - && pInformation->USBwIndex == 0 - && ValBit(pInformation->Current_Feature, 5)) - { - Result = Standard_ClearFeature(); - } - else - { - Result = USB_UNSUPPORT; - } - } - - } - - /* Interface Request*/ - else if (Type_Recipient == (STANDARD_REQUEST | INTERFACE_RECIPIENT)) - { - /*SET INTERFACE*/ - if (RequestNo == SET_INTERFACE) - { - Result = Standard_SetInterface(); - } - } - - /* EndPoint Request*/ - else if (Type_Recipient == (STANDARD_REQUEST | ENDPOINT_RECIPIENT)) - { - /*CLEAR FEATURE for EndPoint*/ - if (RequestNo == CLEAR_FEATURE) - { - Result = Standard_ClearFeature(); - } - /* SET FEATURE for EndPoint*/ - else if (RequestNo == SET_FEATURE) - { - Result = Standard_SetEndPointFeature(); - } - } - else - { - Result = USB_UNSUPPORT; - } - - - if (Result != USB_SUCCESS) - { - Result = (*pProperty->Class_NoData_Setup)(RequestNo); - if (Result == USB_NOT_READY) - { - ControlState = PAUSE; - goto exit_NoData_Setup0; - } - } - - if (Result != USB_SUCCESS) - { - ControlState = STALLED; - goto exit_NoData_Setup0; - } - - ControlState = WAIT_STATUS_IN;/* After no data stage SETUP */ - - USB_StatusIn(); - -exit_NoData_Setup0: - pInformation->ControlState = ControlState; - return; -} - -/******************************************************************************* -* Function Name : Data_Setup0. -* Description : Proceed the processing of setup request with data stage. -* Input : None. -* Output : None. -* Return : None. -*******************************************************************************/ -void Data_Setup0(void) -{ - uint8_t *(*CopyRoutine)(uint16_t); - RESULT Result; - uint32_t Request_No = pInformation->USBbRequest; - - uint32_t Related_Endpoint, Reserved; - uint32_t wOffset, Status; - - - - CopyRoutine = NULL; - wOffset = 0; - - /*GET DESCRIPTOR*/ - if (Request_No == GET_DESCRIPTOR) - { - if (Type_Recipient == (STANDARD_REQUEST | DEVICE_RECIPIENT)) - { - uint8_t wValue1 = pInformation->USBwValue1; - if (wValue1 == DEVICE_DESCRIPTOR) - { - CopyRoutine = pProperty->GetDeviceDescriptor; - } - else if (wValue1 == CONFIG_DESCRIPTOR) - { - CopyRoutine = pProperty->GetConfigDescriptor; - } - else if (wValue1 == STRING_DESCRIPTOR) - { - CopyRoutine = pProperty->GetStringDescriptor; - } /* End of GET_DESCRIPTOR */ - } - } - - /*GET STATUS*/ - else if ((Request_No == GET_STATUS) && (pInformation->USBwValue == 0) - && (pInformation->USBwLength == 0x0002) - && (pInformation->USBwIndex1 == 0)) - { - /* GET STATUS for Device*/ - if ((Type_Recipient == (STANDARD_REQUEST | DEVICE_RECIPIENT)) - && (pInformation->USBwIndex == 0)) - { - CopyRoutine = Standard_GetStatus; - } - - /* GET STATUS for Interface*/ - else if (Type_Recipient == (STANDARD_REQUEST | INTERFACE_RECIPIENT)) - { - if (((*pProperty->Class_Get_Interface_Setting)(pInformation->USBwIndex0, 0) == USB_SUCCESS) - && (pInformation->Current_Configuration != 0)) - { - CopyRoutine = Standard_GetStatus; - } - } - - /* GET STATUS for EndPoint*/ - else if (Type_Recipient == (STANDARD_REQUEST | ENDPOINT_RECIPIENT)) - { - Related_Endpoint = (pInformation->USBwIndex0 & 0x0f); - Reserved = pInformation->USBwIndex0 & 0x70; - - if (ValBit(pInformation->USBwIndex0, 7)) - { - /*Get Status of endpoint & stall the request if the related_ENdpoint - is Disabled*/ - Status = _GetEPTxStatus(Related_Endpoint); - } - else - { - Status = _GetEPRxStatus(Related_Endpoint); - } - - if ((Related_Endpoint < Device_Table.Total_Endpoint) && (Reserved == 0) - && (Status != 0)) - { - CopyRoutine = Standard_GetStatus; - } - } - - } - - /*GET CONFIGURATION*/ - else if (Request_No == GET_CONFIGURATION) - { - if (Type_Recipient == (STANDARD_REQUEST | DEVICE_RECIPIENT)) - { - CopyRoutine = Standard_GetConfiguration; - } - } - /*GET INTERFACE*/ - else if (Request_No == GET_INTERFACE) - { - if ((Type_Recipient == (STANDARD_REQUEST | INTERFACE_RECIPIENT)) - && (pInformation->Current_Configuration != 0) && (pInformation->USBwValue == 0) - && (pInformation->USBwIndex1 == 0) && (pInformation->USBwLength == 0x0001) - && ((*pProperty->Class_Get_Interface_Setting)(pInformation->USBwIndex0, 0) == USB_SUCCESS)) - { - CopyRoutine = Standard_GetInterface; - } - - } - - if (CopyRoutine) - { - pInformation->Ctrl_Info.Usb_wOffset = wOffset; - pInformation->Ctrl_Info.CopyData = CopyRoutine; - /* sb in the original the cast to word was directly */ - /* now the cast is made step by step */ - (*CopyRoutine)(0); - Result = USB_SUCCESS; - } - else - { - Result = (*pProperty->Class_Data_Setup)(pInformation->USBbRequest); - if (Result == USB_NOT_READY) - { - pInformation->ControlState = PAUSE; - return; - } - } - - if (pInformation->Ctrl_Info.Usb_wLength == 0xFFFF) - { - /* Data is not ready, wait it */ - pInformation->ControlState = PAUSE; - return; - } - if ((Result == USB_UNSUPPORT) || (pInformation->Ctrl_Info.Usb_wLength == 0)) - { - /* Unsupported request */ - pInformation->ControlState = STALLED; - return; - } - - - if (ValBit(pInformation->USBbmRequestType, 7)) - { - /* Device ==> Host */ - __IO uint32_t wLength = pInformation->USBwLength; - - /* Restrict the data length to be the one host asks for */ - if (pInformation->Ctrl_Info.Usb_wLength > wLength) - { - pInformation->Ctrl_Info.Usb_wLength = wLength; - } - - else if (pInformation->Ctrl_Info.Usb_wLength < pInformation->USBwLength) - { - if (pInformation->Ctrl_Info.Usb_wLength < pProperty->MaxPacketSize) - { - Data_Mul_MaxPacketSize = FALSE; - } - else if ((pInformation->Ctrl_Info.Usb_wLength % pProperty->MaxPacketSize) == 0) - { - Data_Mul_MaxPacketSize = TRUE; - } - } - - pInformation->Ctrl_Info.PacketSize = pProperty->MaxPacketSize; - DataStageIn(); - } - else - { - pInformation->ControlState = OUT_DATA; - vSetEPRxStatus(EP_RX_VALID); /* enable for next data reception */ - } - - return; -} - -/******************************************************************************* -* Function Name : Setup0_Process -* Description : Get the device request data and dispatch to individual process. -* Input : None. -* Output : None. -* Return : Post0_Process. -*******************************************************************************/ -uint8_t Setup0_Process(void) -{ - - union - { - uint8_t* b; - uint16_t* w; - } pBuf; - uint16_t offset = 1; - - pBuf.b = PMAAddr + (uint8_t *)(_GetEPRxAddr(ENDP0) * 2); /* *2 for 32 bits addr */ - - if (pInformation->ControlState != PAUSE) - { - pInformation->USBbmRequestType = *pBuf.b++; /* bmRequestType */ - pInformation->USBbRequest = *pBuf.b++; /* bRequest */ - pBuf.w += offset; /* word not accessed because of 32 bits addressing */ - pInformation->USBwValue = ByteSwap(*pBuf.w++); /* wValue */ - pBuf.w += offset; /* word not accessed because of 32 bits addressing */ - pInformation->USBwIndex = ByteSwap(*pBuf.w++); /* wIndex */ - pBuf.w += offset; /* word not accessed because of 32 bits addressing */ - pInformation->USBwLength = *pBuf.w; /* wLength */ - } - - pInformation->ControlState = SETTING_UP; - if (pInformation->USBwLength == 0) - { - /* Setup with no data stage */ - NoData_Setup0(); - } - else - { - /* Setup with data stage */ - Data_Setup0(); - } - return Post0_Process(); -} - -/******************************************************************************* -* Function Name : In0_Process -* Description : Process the IN token on all default endpoint. -* Input : None. -* Output : None. -* Return : Post0_Process. -*******************************************************************************/ -uint8_t In0_Process(void) -{ - uint32_t ControlState = pInformation->ControlState; - - if ((ControlState == IN_DATA) || (ControlState == LAST_IN_DATA)) - { - DataStageIn(); - /* ControlState may be changed outside the function */ - ControlState = pInformation->ControlState; - } - - else if (ControlState == WAIT_STATUS_IN) - { - if ((pInformation->USBbRequest == SET_ADDRESS) && - (Type_Recipient == (STANDARD_REQUEST | DEVICE_RECIPIENT))) - { - SetDeviceAddress(pInformation->USBwValue0); - pUser_Standard_Requests->User_SetDeviceAddress(); - } - (*pProperty->Process_Status_IN)(); - ControlState = STALLED; - } - - else - { - ControlState = STALLED; - } - - pInformation->ControlState = ControlState; - - return Post0_Process(); -} - -/******************************************************************************* -* Function Name : Out0_Process -* Description : Process the OUT token on all default endpoint. -* Input : None. -* Output : None. -* Return : Post0_Process. -*******************************************************************************/ -uint8_t Out0_Process(void) -{ - uint32_t ControlState = pInformation->ControlState; - - if ((ControlState == IN_DATA) || (ControlState == LAST_IN_DATA)) - { - /* host aborts the transfer before finish */ - ControlState = STALLED; - } - else if ((ControlState == OUT_DATA) || (ControlState == LAST_OUT_DATA)) - { - DataStageOut(); - ControlState = pInformation->ControlState; /* may be changed outside the function */ - } - - else if (ControlState == WAIT_STATUS_OUT) - { - (*pProperty->Process_Status_OUT)(); - ControlState = STALLED; - } - - - /* Unexpect state, STALL the endpoint */ - else - { - ControlState = STALLED; - } - - pInformation->ControlState = ControlState; - - return Post0_Process(); -} - -/******************************************************************************* -* Function Name : Post0_Process -* Description : Stall the Endpoint 0 in case of error. -* Input : None. -* Output : None. -* Return : - 0 if the control State is in PAUSE -* - 1 if not. -*******************************************************************************/ -uint8_t Post0_Process(void) -{ - - SetEPRxCount(ENDP0, Device_Property.MaxPacketSize); - - if (pInformation->ControlState == STALLED) - { - vSetEPRxStatus(EP_RX_STALL); - vSetEPTxStatus(EP_TX_STALL); - } - - return (pInformation->ControlState == PAUSE); -} - -/******************************************************************************* -* Function Name : SetDeviceAddress. -* Description : Set the device and all the used Endpoints addresses. -* Input : - Val: device address. -* Output : None. -* Return : None. -*******************************************************************************/ -void SetDeviceAddress(uint8_t Val) -{ - uint32_t i; - uint32_t nEP = Device_Table.Total_Endpoint; - - /* set address in every used endpoint */ - for (i = 0; i < nEP; i++) - { - _SetEPAddress((uint8_t)i, (uint8_t)i); - } /* for */ - _SetDADDR(Val | DADDR_EF); /* set device address and enable function */ -} - -/******************************************************************************* -* Function Name : NOP_Process -* Description : No operation function. -* Input : None. -* Output : None. -* Return : None. -*******************************************************************************/ -void NOP_Process(void) -{ -} - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/