| /tags/V0.17e/usblibrary/src/usb_core.c |
|---|
| 0,0 → 1,831 |
| /******************** (C) COPYRIGHT 2006 STMicroelectronics ******************** |
| * File Name : usb_core.c |
| * Author : MCD Application Team |
| * Date First Issued : 10/27/2003 : V1.0 |
| * Description : Standard protocol processing (USB v2.0) |
| ******************************************************************************** |
| * History: |
| * 09/18/2006 : V3.0 |
| * 09/01/2006 : V2.0 |
| * 10/27/2003 : V1.0 |
| ******************************************************************************** |
| * THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS |
| * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. |
| * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, |
| * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE |
| * CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING |
| * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
| *******************************************************************************/ |
| /* Includes ------------------------------------------------------------------*/ |
| #include "usb_lib.h" |
| #include "usb_mem.h" |
| #include "usb_conf.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 ---------------------------------------------------------*/ |
| u16_u8 StatusInfo; |
| /* Private function prototypes -----------------------------------------------*/ |
| /* Private functions ---------------------------------------------------------*/ |
| /******************************************************************************* |
| * Function Name : Standard_GetConfiguration |
| * Description : Return the current configuration variable address |
| * Input : Length - How many bytes are needed. |
| * Output : If "Length" is 0, return the length of configuration value |
| If "Length" is not 0, return the data buffer address. |
| * Return : Return 1 , if the request is invalid when "Length" is 0 |
| Return "Buffer" if the "Length" is not 0 |
| *******************************************************************************/ |
| u8 *Standard_GetConfiguration(u16 Length) |
| { |
| if (Length == 0){ |
| pInformation->Ctrl_Info.Usb_wLength = sizeof(pInformation->Current_Configuration); |
| return 0; |
| } |
| pUser_Standard_Requests->User_GetConfiguration(); |
| return (u8 *)&pInformation->Current_Configuration; |
| } |
| /******************************************************************************* |
| * Function Name : Standard_SetConfiguration |
| * Description : This routine is called to set the configuration value |
| Then each class should configure device themself |
| * Input : |
| * Output : |
| * 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 : If "Length" is 0, return the length of interface value |
| If "Length" is not 0, return the data buffer address |
| * Return : Return 0, if the request is invalid when "Length" is 0 |
| Return "Buffer" if the "Length" is not 0 |
| *******************************************************************************/ |
| u8 *Standard_GetInterface(u16 Length) |
| { |
| if (Length == 0){ |
| pInformation->Ctrl_Info.Usb_wLength = sizeof(pInformation->Current_AlternateSetting); |
| return 0; |
| } |
| pUser_Standard_Requests->User_GetInterface(); |
| return (u8 *)&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 : |
| * Output : |
| * 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 : If "Length" is 0, return the length of status data |
| If "Length" is not 0, return number of bytes have been copied |
| * Return : Return 0, if the request is at end of data block, |
| or is invalid when "Length" is 0 |
| *******************************************************************************/ |
| u8 *Standard_GetStatus(u16 Length) |
| { |
| if (Length == 0){ |
| pInformation->Ctrl_Info.Usb_wLength =2; |
| return 0; |
| } |
| StatusInfo.w = 0; |
| /* Reset Status Information */ |
| if (Type_Recipient == (STANDARD_REQUEST | DEVICE_RECIPIENT)) {/*Get Device Status */ |
| u8 Feature = pInformation->Current_Feature; |
| if (ValBit(Feature, 5)) |
| SetBit(StatusInfo0, 1); /* Remote Wakeup enabled */ |
| if (ValBit(Feature, 6)) |
| SetBit(StatusInfo0, 0); /* Self-powered */ |
| else |
| ClrBit(StatusInfo0, 0); /* Bus-powered */ |
| } |
| else if (Type_Recipient == (STANDARD_REQUEST | INTERFACE_RECIPIENT))/*Interface Status*/ |
| return (u8 *)&StatusInfo; |
| else if (Type_Recipient == (STANDARD_REQUEST | ENDPOINT_RECIPIENT)) {/*Get EndPoint Status*/ |
| u8 Related_Endpoint; |
| u8 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 (u8 *)&StatusInfo; |
| } |
| /******************************************************************************* |
| * Function Name : Standard_ClearFeature |
| * Description : Clear or disable a specific feature |
| * Input : |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| RESULT Standard_ClearFeature(void) |
| { |
| u32 Type_Rec = Type_Recipient; |
| u32 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; |
| u32 Related_Endpoint; |
| u32 wIndex0; |
| u32 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)) Status =_GetEPTxStatus(Related_Endpoint);/*Get Status of endpoint & stall the request if |
| the related_ENdpoint is Disabled*/ |
| 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 : |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| RESULT Standard_SetEndPointFeature(void) |
| { |
| u32 wIndex0; |
| u32 Related_Endpoint; |
| u32 rEP; |
| u32 Status; |
| wIndex0 = pInformation->USBwIndex0; |
| rEP = wIndex0 & ~0x80; |
| Related_Endpoint = ENDP0 + rEP; |
| if (ValBit(pInformation->USBwIndex0, 7)) Status =_GetEPTxStatus(Related_Endpoint);/* get Status of endpoint & stall the request if |
| the related_ENdpoint is Disabled*/ |
| else Status =_GetEPRxStatus(Related_Endpoint); |
| if (Related_Endpoint >= Device_Table.Total_Endpoint || pInformation->USBwValue !=0 || Status==0 || |
| pInformation->Current_Configuration==0 /*&& Related_Endpoint!=ENDP0)*/) |
| 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 : |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| 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 : Address of a part of the descriptor pointed by the Usb_wOffset |
| The buffer pointed by this address contains at least Length bytes |
| * Return : |
| *******************************************************************************/ |
| u8 *Standard_GetDescriptorData(u16 Length, ONE_DESCRIPTOR *pDesc) |
| { |
| u32 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 : |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void DataStageOut(void) |
| { |
| ENDPOINT_INFO *pEPinfo = &pInformation->Ctrl_Info; |
| u32 save_rLength; |
| save_rLength = pEPinfo->Usb_rLength; |
| if (pEPinfo->CopyData && save_rLength) { |
| u8 *Buffer; |
| u32 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 : |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void DataStageIn(void) |
| { |
| ENDPOINT_INFO *pEPinfo = &pInformation->Ctrl_Info; |
| u32 save_wLength = pEPinfo->Usb_wLength; |
| u32 ControlState = pInformation->ControlState; |
| u8 *DataBuffer; |
| u32 Length; |
| if ((save_wLength == 0) && (ControlState == LAST_IN_DATA)) |
| { /* 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; |
| u32 RequestNo = pInformation->USBbRequest; |
| u32 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*/ |
| /*call Beck spec USB 2.0*/ |
| { |
| 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 && ValBit(pInformation->Current_Feature, 5)) |
| 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 : |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void Data_Setup0(void) |
| { |
| u8 *(*CopyRoutine)(u16); |
| RESULT Result; |
| u32 Request_No = pInformation->USBbRequest; |
| u32 Related_Endpoint,Reserved; |
| u32 wOffset,Status; |
| CopyRoutine = NULL; |
| wOffset = 0; |
| if (Request_No == GET_DESCRIPTOR) { |
| if (Type_Recipient == (STANDARD_REQUEST | DEVICE_RECIPIENT)) { |
| u8 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)) Status =_GetEPTxStatus(Related_Endpoint);/*Get Status of endpoint & stall the request if |
| the related_ENdpoint is Disabled*/ |
| 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 */ |
| u32 wLength = pInformation->USBwLength; |
| /* Restrict the data length to be the one host asks */ |
| if (pInformation->Ctrl_Info.Usb_wLength > wLength) |
| pInformation->Ctrl_Info.Usb_wLength = wLength; |
| pInformation->Ctrl_Info.PacketSize = pProperty->MaxPacketSize; |
| DataStageIn(); |
| } |
| else { |
| pInformation->ControlState = OUT_DATA; |
| vSetEPRxStatus(EP_RX_VALID);/* enable for next data reception */ |
| } |
| return; |
| } /* Data_Setup0 */ |
| /******************************************************************************* |
| * Function Name : Setup0_Process |
| * Description : Get the device request data and dispatch to individual process |
| * Input : |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u8 Setup0_Process(void) |
| { |
| #ifdef STR7xx /* STR7xx family*/ |
| union { |
| u8* b; |
| u16* w; |
| } pBuf; |
| pBuf.b = PMAAddr + (u8 *)(_GetEPRxAddr(ENDP0)*2); /* *2 for 32 bits addr */ |
| if (pInformation->ControlState != PAUSE) { |
| pInformation->USBbmRequestType = *pBuf.b++; /* bmRequestType */ |
| pInformation->USBbRequest = *pBuf.b++; /* bRequest */ |
| pBuf.w++; /* word not accessed because of 32 bits addressing */ |
| pInformation->USBwValue = ByteSwap(*pBuf.w++); /* wValue */ |
| pBuf.w++; /* word not accessed because of 32 bits addressing */ |
| pInformation->USBwIndex = ByteSwap(*pBuf.w++); /* wIndex */ |
| pBuf.w++; /* word not accessed because of 32 bits addressing */ |
| pInformation->USBwLength = *pBuf.w; /* wLength */ |
| } |
| #endif/* End of STR7xx family*/ |
| #ifdef STR91x /* STR91x family*/ |
| u16* pBuf; |
| pBuf= (u16 *)(GetEPRxAddr(ENDP0)+PMAAddr); |
| if (pInformation->ControlState != PAUSE) |
| { |
| pInformation->USBbmRequestType = (*pBuf)&0xFF; /* bmRequestType */ |
| pInformation->USBbRequest = ((*pBuf)&0xFF00)>>8; /* bRequest */ |
| pInformation->USBwValue = ByteSwap(*(pBuf+1)); /* wValue */ |
| pInformation->USBwIndex = ByteSwap(*(pBuf+2)); /* wIndex */ |
| pInformation->USBwLength = *(pBuf+3); /* wLength */ |
| } |
| #endif /* End of STR91x family*/ |
| 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 : |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u8 In0_Process(void) |
| { |
| u32 ControlState = pInformation->ControlState; |
| if (ControlState == IN_DATA || ControlState == LAST_IN_DATA) |
| { |
| DataStageIn(); |
| ControlState = pInformation->ControlState; /* may be changed outside the function */ |
| } |
| 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 : |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u8 Out0_Process(void) |
| { |
| u32 ControlState = pInformation->ControlState; |
| if(ControlState == OUT_DATA || ControlState == LAST_OUT_DATA) |
| DataStageOut(); |
| else if (ControlState == WAIT_STATUS_OUT) { |
| (*pProperty->Process_Status_OUT)(); |
| ControlState = STALLED; |
| } |
| else if (ControlState == IN_DATA || ControlState == LAST_IN_DATA) { |
| /* host aborts the transfer before finish */ |
| ControlState = STALLED; |
| } |
| /* Unexpect state, STALL the endpoint */ |
| else { |
| ControlState = STALLED; |
| } |
| pInformation->ControlState = ControlState; |
| return Post0_Process(); |
| } /* Out0_Process */ |
| /******************************************************************************* |
| * Function Name : Post0_Process |
| * Description : |
| * Input : |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u8 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 adress |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetDeviceAddress(u8 Val) |
| { |
| u32 i; |
| u32 nEP = Device_Table.Total_Endpoint; |
| /* set address in every used endpoint */ |
| for(i=0;i<nEP;i++) |
| { |
| _SetEPAddress((u8)i, (u8)i); |
| } /* for */ |
| _SetDADDR(Val|DADDR_EF); /* set device address and enable function */ |
| } |
| /******************************************************************************* |
| * Function Name : NOP_Process |
| * Description : no operation function. |
| * Input : |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void NOP_Process(void) |
| { |
| } |
| /******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/ |
| /tags/V0.17e/usblibrary/src/usb_init.c |
|---|
| 0,0 → 1,66 |
| /******************** (C) COPYRIGHT 2006 STMicroelectronics ******************** |
| * File Name : usb_init.c |
| * Author : MCD Application Team |
| * Date First Issued : 10/27/2003 : V1.0 |
| * Description : Initialization routines & global variables |
| ******************************************************************************** |
| * History: |
| * 09/18/2006 : V3.0 |
| * 09/01/2006 : V2.0 |
| * 10/27/2003 : V1.0 |
| ******************************************************************************** |
| * THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS |
| * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. |
| * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, |
| * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE |
| * CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING |
| * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
| *******************************************************************************/ |
| /* Includes ------------------------------------------------------------------*/ |
| #include "usb_lib.h" |
| /* Private typedef -----------------------------------------------------------*/ |
| /* Private define ------------------------------------------------------------*/ |
| /* Private macro -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| /* The number of current endpoint, it will be used to specify an endpoint */ |
| u8 EPindex; |
| /* The number of current device, it is an index to the Device_Table */ |
| /* u8 Device_no; */ |
| /* Points to the DEVICE_INFO structure of current device */ |
| /* The purpose of this register is to speed up the execution */ |
| DEVICE_INFO *pInformation; |
| /* Points to the DEVICE_PROP structure of current device */ |
| /* The purpose of this register is to speed up the execution */ |
| DEVICE_PROP *pProperty; |
| /* Temporary save the state of Rx & Tx status. */ |
| /* Whenever the Rx or Tx state is changed, its value is saved */ |
| /* in this variable first and will be set to the EPRB or EPRA */ |
| /* at the end of interrupt process */ |
| u16 SaveState ; |
| u16 wInterrupt_Mask; |
| DEVICE_INFO Device_Info; |
| USER_STANDARD_REQUESTS *pUser_Standard_Requests; |
| /* Extern variables ----------------------------------------------------------*/ |
| /* Private function prototypes -----------------------------------------------*/ |
| /* Private functions ---------------------------------------------------------*/ |
| /******************************************************************************* |
| * Function Name : USB_Init |
| * Description : USB system initialization |
| * Input : |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void USB_Init(void) |
| { |
| pInformation = &Device_Info; |
| pInformation->ControlState = 2; |
| pProperty = &Device_Property; |
| pUser_Standard_Requests = &User_Standard_Requests; |
| /* Initialize devices one by one */ |
| pProperty->Init(); |
| } |
| /******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/ |
| /tags/V0.17e/usblibrary/src/usb_int.c |
|---|
| 0,0 → 1,189 |
| /******************** (C) COPYRIGHT 2006 STMicroelectronics ******************** |
| * File Name : usb_int.c |
| * Author : MCD Application Team |
| * Date First Issued : 10/27/2003 : V1.0 |
| * Description : Endpoint CTR (Low and High) interrupt's service routines |
| ******************************************************************************** |
| * History: |
| * 09/18/2006 : V3.0 |
| * 09/01/2006 : V2.0 |
| * 10/27/2003 : V1.0 |
| ******************************************************************************** |
| * THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS |
| * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. |
| * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, |
| * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE |
| * CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING |
| * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
| *******************************************************************************/ |
| /* Includes ------------------------------------------------------------------*/ |
| #include "usb_lib.h" |
| /* Private typedef -----------------------------------------------------------*/ |
| /* Private define ------------------------------------------------------------*/ |
| /* Private macro -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| u16 SaveRState; |
| u16 SaveTState; |
| /* Extern variables ----------------------------------------------------------*/ |
| extern void (*pEpInt_IN[15])(void); /* Handles IN interrupts */ |
| extern void (*pEpInt_OUT[15])(void); /* Handles OUT interrupts */ |
| /* Private function prototypes -----------------------------------------------*/ |
| /* Private functions ---------------------------------------------------------*/ |
| /******************************************************************************* |
| * Function Name : CTR_LP |
| * Description : Low Endpoint Correct Transfer interrupt's service routine |
| * Input : None |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void CTR_LP(void) |
| { |
| u32 wEPVal; |
| /* stay in loop while pending ints */ |
| while(((wIstr = _GetISTR()) & ISTR_CTR)!= 0) |
| { |
| _SetISTR((u16)CLR_CTR); /* clear CTR flag */ |
| /* extract highest priority endpoint number */ |
| EPindex = (u8)(wIstr & ISTR_EP_ID); |
| if(EPindex == 0) |
| { |
| /* Decode and service control endpoint interrupt */ |
| /* calling related service routine */ |
| /* (Setup0_Process, In0_Process, Out0_Process) */ |
| /* save RX & TX status */ |
| /* and set both to NAK */ |
| SaveRState = _GetEPRxStatus(ENDP0); |
| SaveTState = _GetEPTxStatus(ENDP0); |
| _SetEPRxStatus(ENDP0, EP_RX_NAK); |
| _SetEPTxStatus(ENDP0, EP_TX_NAK); |
| /* DIR bit = origin of the interrupt */ |
| if((wIstr & ISTR_DIR) == 0) |
| {/* DIR = 0 */ |
| /* DIR = 0 => IN int */ |
| /* DIR = 0 implies that (EP_CTR_TX = 1) always */ |
| _ClearEP_CTR_TX(ENDP0); |
| In0_Process(); |
| /* check if SETUP arrived during IN processing */ |
| wEPVal = _GetENDPOINT(ENDP0); |
| if((wEPVal & (EP_CTR_RX|EP_SETUP)) != 0) |
| { |
| _ClearEP_CTR_RX(ENDP0); /* SETUP bit kept frozen while CTR_RX = 1 */ |
| Setup0_Process(); |
| } |
| }/* DIR = 0 */ |
| else |
| {/* DIR = 1 */ |
| /* DIR = 1 & CTR_RX => SETUP or OUT int */ |
| /* DIR = 1 & (CTR_TX | CTR_RX) => 2 int pending */ |
| wEPVal = _GetENDPOINT(ENDP0); |
| if((wEPVal & EP_CTR_TX) != 0) |
| { |
| _ClearEP_CTR_TX(ENDP0); |
| In0_Process(); |
| } |
| if((wEPVal &EP_SETUP) != 0) |
| { |
| _ClearEP_CTR_RX(ENDP0); /* SETUP bit kept frozen while CTR_RX = 1 */ |
| Setup0_Process(); |
| } |
| else if((wEPVal & EP_CTR_RX) != 0) |
| { |
| _ClearEP_CTR_RX(ENDP0); |
| Out0_Process(); |
| } |
| }/* DIR = 1 */ |
| /* before terminate set Tx & Rx status */ |
| _SetEPRxStatus(ENDP0, SaveRState); |
| _SetEPTxStatus(ENDP0, SaveTState); |
| }/* if(EPindex == 0) */ |
| else |
| { /* Decode and service non control endpoints interrupt */ |
| /* process related endpoint register */ |
| wEPVal = _GetENDPOINT(EPindex); |
| if((wEPVal & EP_CTR_RX) != 0) |
| { |
| /* clear int flag */ |
| _ClearEP_CTR_RX(EPindex); |
| /* call OUT service function */ |
| (*pEpInt_OUT[EPindex-1])(); |
| } /* if((wEPVal & EP_CTR_RX) */ |
| if((wEPVal & EP_CTR_TX) != 0) |
| { |
| /* clear int flag */ |
| _ClearEP_CTR_TX(EPindex); |
| /* call IN service function */ |
| (*pEpInt_IN[EPindex-1])(); |
| } /* if((wEPVal & EP_CTR_TX) != 0) */ |
| }/* if(EPindex == 0) else */ |
| }/* while(...) */ |
| } /* CTR_LP */ |
| /******************************************************************************* |
| * Function Name : CTR_HP |
| * Description : High Endpoint Correct Transfer interrupt's service routine |
| * Input : None |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void CTR_HP(void) |
| { |
| u32 wEPVal; |
| while(((wIstr = _GetISTR()) & ISTR_CTR)!= 0) |
| { |
| _SetISTR((u16)CLR_CTR); /* clear CTR flag */ |
| /* extract highest priority endpoint number */ |
| EPindex = (u8)(wIstr & ISTR_EP_ID); |
| /* process related endpoint register */ |
| wEPVal = _GetENDPOINT(EPindex); |
| if((wEPVal & EP_CTR_RX) != 0) |
| { |
| /* clear int flag */ |
| _ClearEP_CTR_RX(EPindex); |
| /* call OUT service function */ |
| (*pEpInt_OUT[EPindex-1])(); |
| } /* if((wEPVal & EP_CTR_RX) */ |
| if((wEPVal & EP_CTR_TX) != 0) |
| { |
| /* clear int flag */ |
| _ClearEP_CTR_TX(EPindex); |
| /* call IN service function */ |
| (*pEpInt_IN[EPindex-1])(); |
| } /* if((wEPVal & EP_CTR_TX) != 0) */ |
| }/* while(...) */ |
| } /* CTR_HP */ |
| /******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/ |
| /tags/V0.17e/usblibrary/src/usb_mem.c |
|---|
| 0,0 → 1,118 |
| /******************** (C) COPYRIGHT 2006 STMicroelectronics ******************** |
| * File Name : usb_mem.c |
| * Author : MCD Application Team |
| * Date First Issued : 10/27/2003 : V1.0 |
| * Description : Utility functions for memory transfers to/from PMA |
| ******************************************************************************** |
| * History: |
| * 09/18/2006 : V3.0 |
| * 09/01/2006 : V2.0 |
| * 10/27/2003 : V1.0 |
| ******************************************************************************** |
| * THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS |
| * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. |
| * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, |
| * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE |
| * CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING |
| * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
| *******************************************************************************/ |
| /* Includes ------------------------------------------------------------------*/ |
| #include "usb_lib.h" |
| #include "usb_mem.h" |
| #include "usb_conf.h" |
| /* Private typedef -----------------------------------------------------------*/ |
| /* Private define ------------------------------------------------------------*/ |
| /* Private macro -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| /* Extern variables ----------------------------------------------------------*/ |
| /* Private function prototypes -----------------------------------------------*/ |
| /* Private functions ---------------------------------------------------------*/ |
| /******************************************************************************* |
| * Function Name : UserToPMABufferCopy |
| * Description : Copy a buffer from user memory area to packet memory area (PMA) |
| * Input 1 : pbUsrBuf = pointer to user memory area |
| * Input 2 : wPMABufAddr = address into PMA |
| * Input 3 : wNBytes = no. of bytes to be copied |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void UserToPMABufferCopy(u8 *pbUsrBuf,u16 wPMABufAddr, u16 wNBytes) |
| { |
| #ifdef STR7xx /* STR7xx family */ |
| u32 n= (wNBytes+1)>>1; /* n=(wNBytes+1)/2 */ |
| u32 i,temp1,temp2; |
| u16 *pdwVal; |
| pdwVal = (u16 *)(wPMABufAddr*2 + PMAAddr); |
| for (i = n; i!= 0; i--) |
| { |
| temp1 = (u16)*pbUsrBuf; |
| pbUsrBuf++; |
| temp2 = temp1 | (u16)*pbUsrBuf<<8; |
| *pdwVal++ = temp2; |
| pdwVal++; |
| pbUsrBuf++; |
| } |
| #endif /* End of STR7xx family*/ |
| #ifdef STR91x /*STR91x family*/ |
| u32 n= (wNBytes+3)>>2; /*n=(wNBytes+1)/4*/ |
| u32 i,temp1,temp2,temp3,temp4; |
| u32 *pdwVal; |
| pdwVal = (u32 *)(PMAAddr+(u32)((wPMABufAddr))); |
| for (i=n; i!=0; i--) |
| { |
| temp1 = (u32)*pbUsrBuf; |
| temp2 = temp1 | (u32)*(pbUsrBuf+1)<<8; |
| temp3 = temp2 | (u32)*(pbUsrBuf+2)<<16; |
| temp4 = temp3 | (u32)*(pbUsrBuf+3)<<24; |
| pbUsrBuf+=4; |
| *pdwVal = temp4; |
| pdwVal++; |
| } |
| #endif /* End of STR91x family*/ |
| } |
| /******************************************************************************* |
| * Function Name : PMAToUserBufferCopy |
| * Description : Copy a buffer from user memory area to packet memory area (PMA) |
| * Input 1 : pbUsrBuf = pointer to user memory area |
| * Input 2 : wPMABufAddr = address into PMA |
| * Input 3 : wNBytes = no. of bytes to be copied |
| * Output : pbUsrBuf = pointer to user memory area with correct data |
| * Return : None |
| *******************************************************************************/ |
| void PMAToUserBufferCopy(u8 *pbUsrBuf,u16 wPMABufAddr, u16 wNBytes) |
| { |
| #ifdef STR7xx /*STR7xx family*/ |
| u32 n= (wNBytes+1)>>1;/* /2*/ |
| u32 i; |
| u32 *pdwVal; |
| pdwVal = (u32 *)(wPMABufAddr*2 + PMAAddr); |
| for (i = n; i!= 0; i--) |
| { |
| *(u16*)pbUsrBuf++ = *pdwVal++; |
| pbUsrBuf++; |
| } |
| #endif /* End of STR7xx family*/ |
| #ifdef STR91x /*STR91x family*/ |
| u8 *pbVal; |
| u16 wNTrasf=wNBytes; |
| if((wNBytes) == 0) return; |
| pbVal = (u8 *)(PMAAddr + wPMABufAddr); |
| while(1) |
| { |
| *pbUsrBuf++ = *pbVal++; |
| if((--wNTrasf) == 0) return; |
| *pbUsrBuf++ = *pbVal++; |
| if((--wNTrasf) == 0) return; |
| } |
| #endif /* End of STR91x family*/ |
| } |
| /******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/ |
| /tags/V0.17e/usblibrary/src/usb_regs.c |
|---|
| 0,0 → 1,1010 |
| /******************** (C) COPYRIGHT 2006 STMicroelectronics ******************** |
| * File Name : usb_regs.c |
| * Author : MCD Application Team |
| * Date First Issued : 10/27/2003 : V1.0 |
| * Description : Interface functions to USB cell registers |
| ******************************************************************************** |
| * History: |
| * 09/18/2006 : V3.0 |
| * 09/01/2006 : V2.0 |
| * 10/27/2003 : V1.0 |
| ******************************************************************************** |
| * THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS |
| * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. |
| * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, |
| * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE |
| * CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING |
| * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
| *******************************************************************************/ |
| /* Includes ------------------------------------------------------------------*/ |
| #include "usb_lib.h" |
| /* Private typedef -----------------------------------------------------------*/ |
| /* Private define ------------------------------------------------------------*/ |
| /* Private macro -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| /* Extern variables ----------------------------------------------------------*/ |
| /* Private function prototypes -----------------------------------------------*/ |
| /* Private functions ---------------------------------------------------------*/ |
| /******************************************************************************* |
| * Function Name : SetCNTR |
| * Description : |
| * Input : wRegValue |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void SetCNTR(u16 wRegValue) |
| { |
| _SetCNTR(wRegValue); |
| } |
| /******************************************************************************* |
| * Function Name : GetCNTR |
| * Description : |
| * Input : None |
| * Output : None |
| * Return : CNTR register Value |
| *******************************************************************************/ |
| u16 GetCNTR(void) |
| { |
| return(_GetCNTR()); |
| } |
| /******************************************************************************* |
| * Function Name : SetISTR |
| * Description : |
| * Input : wRegValue |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void SetISTR(u16 wRegValue) |
| { |
| _SetISTR(wRegValue); |
| } |
| /******************************************************************************* |
| * Function Name : GetISTR |
| * Description : |
| * Input : |
| * Output : |
| * Return : ISTR register Value |
| *******************************************************************************/ |
| u16 GetISTR(void) |
| { |
| return(_GetISTR()); |
| } |
| /******************************************************************************* |
| * Function Name : GetFNR |
| * Description : |
| * Input : |
| * Output : |
| * Return : FNR register Value |
| *******************************************************************************/ |
| u16 GetFNR(void) |
| { |
| return(_GetFNR()); |
| } |
| /******************************************************************************* |
| * Function Name : SetDADDR |
| * Description : |
| * Input : wRegValue |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetDADDR(u16 wRegValue) |
| { |
| _SetDADDR(wRegValue); |
| } |
| /******************************************************************************* |
| * Function Name : GetDADDR |
| * Description : |
| * Input : |
| * Output : |
| * Return : DADDR register Value |
| *******************************************************************************/ |
| u16 GetDADDR(void) |
| { |
| return(_GetDADDR()); |
| } |
| /******************************************************************************* |
| * Function Name : SetBTABLE |
| * Description : |
| * Input : wRegValue |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetBTABLE(u16 wRegValue) |
| { |
| _SetBTABLE(wRegValue); |
| } |
| /******************************************************************************* |
| * Function Name : GetBTABLE |
| * Description : |
| * Input : |
| * Output : |
| * Return : BTABLE address |
| *******************************************************************************/ |
| u16 GetBTABLE(void) |
| { |
| return(_GetBTABLE()); |
| } |
| /******************************************************************************* |
| * Function Name : SetENDPOINT |
| * Description : |
| * Input : bEpNum, wRegValue |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetENDPOINT(u8 bEpNum, u16 wRegValue) |
| { |
| _SetENDPOINT(bEpNum,wRegValue); |
| } |
| /******************************************************************************* |
| * Function Name : GetENDPOINT |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u16 GetENDPOINT(u8 bEpNum) |
| { |
| return(_GetENDPOINT(bEpNum)); |
| } |
| /******************************************************************************* |
| * Function Name : SetEPType |
| * Description : |
| * Input : bEpNum, wType |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPType(u8 bEpNum, u16 wType) |
| { |
| _SetEPType(bEpNum, wType); |
| } |
| /******************************************************************************* |
| * Function Name : GetEPType |
| * Description : |
| * Input : bEpNum, |
| * Output : |
| * Return : Endpoint Type |
| *******************************************************************************/ |
| u16 GetEPType(u8 bEpNum) |
| { |
| return(_GetEPType(bEpNum)); |
| } |
| /******************************************************************************* |
| * Function Name : SetEPTxStatus |
| * Description : |
| * Input : bEpNum, wState |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPTxStatus(u8 bEpNum, u16 wState) |
| { |
| _SetEPTxStatus(bEpNum,wState); |
| } |
| /******************************************************************************* |
| * Function Name : SetEPRxStatus |
| * Description : |
| * Input : bEpNum, wState |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPRxStatus(u8 bEpNum, u16 wState) |
| { |
| _SetEPRxStatus(bEpNum,wState); |
| } |
| /******************************************************************************* |
| * Function Name : SetDouBleBuffEPStall |
| * Description : sets the status for Double Buffer Endpoint to STALL |
| * Input : bEpNum = endpoint number |
| bDir = Endpoint direction |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetDouBleBuffEPStall(u8 bEpNum,u8 bDir) |
| { |
| u16 Endpoint_DTOG_Status; |
| Endpoint_DTOG_Status = GetENDPOINT(bEpNum); |
| if(bDir== EP_DBUF_OUT) |
| { /* OUT double buffered endpoint */ |
| _SetENDPOINT(bEpNum, Endpoint_DTOG_Status & ~EPRX_DTOG1); |
| } |
| else if(bDir == EP_DBUF_IN) |
| { /* IN double buffered endpoint */ |
| _SetENDPOINT(bEpNum, Endpoint_DTOG_Status & ~EPTX_DTOG1); |
| } |
| } |
| /******************************************************************************* |
| * Function Name : GetEPTxStatus |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : Endpoint TX Status |
| *******************************************************************************/ |
| u16 GetEPTxStatus(u8 bEpNum) |
| { |
| return(_GetEPTxStatus(bEpNum)); |
| } |
| /******************************************************************************* |
| * Function Name : GetEPRxStatus |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : Endpoint RX Status |
| *******************************************************************************/ |
| u16 GetEPRxStatus(u8 bEpNum) |
| { |
| return(_GetEPRxStatus(bEpNum)); |
| } |
| /******************************************************************************* |
| * Function Name : SetEPTxValid |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPTxValid(u8 bEpNum) |
| { |
| _SetEPTxStatus(bEpNum, EP_TX_VALID); |
| } |
| /******************************************************************************* |
| * Function Name : SetEPRxValid |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPRxValid(u8 bEpNum) |
| { |
| _SetEPRxStatus(bEpNum, EP_RX_VALID); |
| } |
| /******************************************************************************* |
| * Function Name : SetEP_KIND |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEP_KIND(u8 bEpNum) |
| { |
| _SetEP_KIND(bEpNum); |
| } |
| /******************************************************************************* |
| * Function Name : ClearEP_KIND |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void ClearEP_KIND(u8 bEpNum) |
| { |
| _ClearEP_KIND(bEpNum); |
| } |
| /******************************************************************************* |
| * Function Name : Clear_Status_Out |
| * Description : Clear the Status Out of the related Endpoint |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void Clear_Status_Out(u8 bEpNum) |
| { |
| _ClearEP_KIND(bEpNum); |
| } |
| /******************************************************************************* |
| * Function Name : Set_Status_Out |
| * Description : Set the Status Out of the related Endpoint |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void Set_Status_Out(u8 bEpNum) |
| { |
| _SetEP_KIND(bEpNum); |
| } |
| /******************************************************************************* |
| * Function Name : SetEPDoubleBuff |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPDoubleBuff(u8 bEpNum) |
| { |
| _SetEP_KIND(bEpNum); |
| } |
| /******************************************************************************* |
| * Function Name : ClearEPDoubleBuff |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void ClearEPDoubleBuff(u8 bEpNum) |
| { |
| _ClearEP_KIND(bEpNum); |
| } |
| /******************************************************************************* |
| * Function Name : GetTxStallStatus |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u16 GetTxStallStatus(u8 bEpNum) |
| { |
| return(_GetTxStallStatus(bEpNum)); |
| } |
| /******************************************************************************* |
| * Function Name : GetRxStallStatus |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u16 GetRxStallStatus(u8 bEpNum) |
| { |
| return(_GetRxStallStatus(bEpNum)); |
| } |
| /******************************************************************************* |
| * Function Name : ClearEP_CTR_RX |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void ClearEP_CTR_RX(u8 bEpNum) |
| { |
| _ClearEP_CTR_RX(bEpNum); |
| } |
| /******************************************************************************* |
| * Function Name : ClearEP_CTR_TX |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void ClearEP_CTR_TX(u8 bEpNum) |
| { |
| _ClearEP_CTR_TX(bEpNum); |
| } |
| /******************************************************************************* |
| * Function Name : ToggleDTOG_RX |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void ToggleDTOG_RX(u8 bEpNum) |
| { |
| _ToggleDTOG_RX(bEpNum); |
| } |
| /******************************************************************************* |
| * Function Name : ToggleDTOG_TX |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void ToggleDTOG_TX(u8 bEpNum) |
| { |
| _ToggleDTOG_TX(bEpNum); |
| } |
| /******************************************************************************* |
| * Function Name : ClearDTOG_RX |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void ClearDTOG_RX(u8 bEpNum) |
| { |
| _ClearDTOG_RX(bEpNum); |
| } |
| /******************************************************************************* |
| * Function Name : ClearDTOG_TX |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void ClearDTOG_TX(u8 bEpNum) |
| { |
| _ClearDTOG_TX(bEpNum); |
| } |
| /******************************************************************************* |
| * Function Name : SetEPAddress |
| * Description : |
| * Input : bEpNum, bAddr |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPAddress(u8 bEpNum,u8 bAddr) |
| { |
| _SetEPAddress(bEpNum,bAddr); |
| } |
| /******************************************************************************* |
| * Function Name : GetEPAddress |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u8 GetEPAddress(u8 bEpNum) |
| { |
| return(_GetEPAddress(bEpNum)); |
| } |
| /******************************************************************************* |
| * Function Name : SetEPTxAddr |
| * Description : |
| * Input : bEpNum, wAddr |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPTxAddr(u8 bEpNum, u16 wAddr) |
| { |
| _SetEPTxAddr(bEpNum,wAddr); |
| } |
| /******************************************************************************* |
| * Function Name : SetEPRxAddr |
| * Description : |
| * Input : bEpNum, wAddr |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPRxAddr(u8 bEpNum, u16 wAddr) |
| { |
| _SetEPRxAddr(bEpNum,wAddr); |
| } |
| /******************************************************************************* |
| * Function Name : GetEPTxAddr |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u16 GetEPTxAddr(u8 bEpNum) |
| { |
| return(_GetEPTxAddr(bEpNum)); |
| } |
| /******************************************************************************* |
| * Function Name : GetEPRxAddr |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u16 GetEPRxAddr(u8 bEpNum) |
| { |
| return(_GetEPRxAddr(bEpNum)); |
| } |
| /******************************************************************************* |
| * Function Name : SetEPTxCount |
| * Description : |
| * Input : bEpNum, wCount |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPTxCount(u8 bEpNum, u16 wCount) |
| { |
| _SetEPTxCount(bEpNum,wCount); |
| } |
| /******************************************************************************* |
| * Function Name : SetEPCountRxReg |
| * Description : |
| * Input : *pdwReg, wCount |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| #ifdef STR7xx |
| void SetEPCountRxReg(u32 *pdwReg, u16 wCount) |
| { |
| _SetEPCountRxReg(dwReg, wCount); |
| } |
| #endif |
| /******************************************************************************* |
| * Function Name : SetEPRxCount |
| * Description : |
| * Input : bEpNum, wCount |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPRxCount(u8 bEpNum, u16 wCount) |
| { |
| _SetEPRxCount(bEpNum,wCount); |
| } |
| /******************************************************************************* |
| * Function Name : GetEPTxCount |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u16 GetEPTxCount(u8 bEpNum) |
| { |
| return(_GetEPTxCount(bEpNum)); |
| } |
| /******************************************************************************* |
| * Function Name : GetEPRxCount |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u16 GetEPRxCount(u8 bEpNum) |
| { |
| return(_GetEPRxCount(bEpNum)); |
| } |
| /******************************************************************************* |
| * Function Name : SetEPDblBuffAddr |
| * Description : |
| * Input : bEpNum, wBuf0Addr, wBuf1Addr |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPDblBuffAddr(u8 bEpNum, u16 wBuf0Addr, u16 wBuf1Addr) |
| { |
| _SetEPDblBuffAddr(bEpNum, wBuf0Addr, wBuf1Addr); |
| } |
| /******************************************************************************* |
| * Function Name : SetEPDblBuf0Addr |
| * Description : |
| * Input : bEpNum, wBuf0Addr |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPDblBuf0Addr(u8 bEpNum,u16 wBuf0Addr) |
| { |
| _SetEPDblBuf0Addr(bEpNum, wBuf0Addr); |
| } |
| /******************************************************************************* |
| * Function Name : SetEPDblBuf1Addr |
| * Description : |
| * Input : bEpNum, wBuf1Addr |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPDblBuf1Addr(u8 bEpNum,u16 wBuf1Addr) |
| { |
| _SetEPDblBuf1Addr(bEpNum, wBuf1Addr); |
| } |
| /******************************************************************************* |
| * Function Name : GetEPDblBuf0Addr |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u16 GetEPDblBuf0Addr(u8 bEpNum) |
| { |
| return(_GetEPDblBuf0Addr(bEpNum)); |
| } |
| /******************************************************************************* |
| * Function Name : GetEPDblBuf1Addr |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u16 GetEPDblBuf1Addr(u8 bEpNum) |
| { |
| return(_GetEPDblBuf1Addr(bEpNum)); |
| } |
| /******************************************************************************* |
| * Function Name : SetEPDblBuffCount |
| * Description : |
| * Input : bEpNum,bDir, wCount |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPDblBuffCount(u8 bEpNum, u8 bDir, u16 wCount) |
| { |
| #ifdef STR7xx /*STR7xx family */ |
| _SetEPDblBuffCount(bEpNum, bDir, wCount); |
| #endif |
| #ifdef STR91x /*STR91x family*/ |
| SetEPDblBuf0Count(bEpNum, bDir,wCount); |
| SetEPDblBuf1Count(bEpNum, bDir,wCount); |
| #endif |
| } |
| /******************************************************************************* |
| * Function Name : SetEPDblBuf0Count |
| * Description : |
| * Input : bEpNum, bDir, wCount |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPDblBuf0Count(u8 bEpNum, u8 bDir,u16 wCount) |
| { |
| #ifdef STR7xx /*STR7xx family */ |
| _SetEPDblBuf0Count(bEpNum,bDir,wCount); |
| #endif |
| #ifdef STR91x /*STR91x family*/ |
| u32 BLsize=0; |
| u32 Blocks; |
| if(bDir == EP_DBUF_IN) |
| /* IN double bufferd endpoint */ |
| SetEPTxCount(bEpNum,wCount); |
| else if(bDir == EP_DBUF_OUT) |
| { |
| /* OUT double bufferd endpoint */ |
| if (wCount < 64) Blocks = wCount>>1; |
| else |
| { |
| BLsize = 0x8000; |
| Blocks = wCount>>6; |
| } |
| *_pEPBufCount(bEpNum) &=~0x8000; |
| *_pEPBufCount(bEpNum) |=BLsize; |
| *_pEPBufCount(bEpNum) &=~0x7C00; |
| *_pEPBufCount(bEpNum) |=Blocks<<10; |
| *_pEPBufCount(bEpNum) &=0xFFFFFC00; |
| } |
| #endif |
| } |
| /******************************************************************************* |
| * Function Name : SetEPDblBuf1Count |
| * Description : |
| * Input : bEpNum, bDir, wCount |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void SetEPDblBuf1Count(u8 bEpNum, u8 bDir,u16 wCount) |
| { |
| #ifdef STR7xx /*STR7xx family */ |
| _SetEPDblBuf1Count(bEpNum,bDir,wCount); |
| #endif |
| #ifdef STR91x /*STR91x family*/ |
| if(bDir == EP_DBUF_IN) |
| /* IN double buffered endpoint */ |
| { |
| *_pEPBufCount(bEpNum)&= 0x000FFFF; |
| *_pEPBufCount(bEpNum)|=(wCount<<16); |
| } |
| else if(bDir == EP_DBUF_OUT) |
| /* OUT double buffered endpoint */ |
| _SetEPRxCount(bEpNum, wCount); |
| #endif |
| } |
| /******************************************************************************* |
| * Function Name : GetEPDblBuf0Count |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u16 GetEPDblBuf0Count(u8 bEpNum) |
| { |
| return(_GetEPDblBuf0Count(bEpNum)); |
| } |
| /******************************************************************************* |
| * Function Name : GetEPDblBuf1Count |
| * Description : |
| * Input : bEpNum |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u16 GetEPDblBuf1Count(u8 bEpNum) |
| { |
| return(_GetEPDblBuf1Count(bEpNum)); |
| } |
| #ifdef STR7xx /*STR7xx family */ |
| /******************************************************************************* |
| * Function Name : GetEPDblBufDir |
| * Description : gets direction of the double buffered endpoint |
| * Input : bEpNum |
| * Output : EP_DBUF_OUT, EP_DBUF_IN, |
| EP_DBUF_ERR if the endpoint counter not yet programmed |
| * Return : |
| *******************************************************************************/ |
| EP_DBUF_DIR GetEPDblBufDir(u8 bEpNum) { |
| if((u16)(*_pEPRxCount(bEpNum) & 0xFC00) != 0) |
| return(EP_DBUF_OUT); |
| else if(((u16)(*_pEPTxCount(bEpNum)) & 0x03FF) != 0) |
| return(EP_DBUF_IN); |
| else |
| return(EP_DBUF_ERR); |
| } |
| #endif |
| /******************************************************************************* |
| * Function Name : FreeUserBuffer |
| * Description : free buffer used from the application realising it to the line |
| toggles bit SW_BUF in the double buffered endpoint register |
| * Input : bEpNum, bDir |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| void FreeUserBuffer(u8 bEpNum, u8 bDir) |
| { |
| if(bDir== EP_DBUF_OUT) |
| { /* OUT double buffered endpoint */ |
| _ToggleDTOG_TX(bEpNum); |
| } |
| else if(bDir == EP_DBUF_IN) |
| { /* IN double buffered endpoint */ |
| _ToggleDTOG_RX(bEpNum); |
| } |
| } |
| /******************************************************************************* |
| * Function Name : ToWord |
| * Description : |
| * Input : bh, bl |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u16 ToWord(u8 bh, u8 bl) |
| { |
| u16 wRet; |
| wRet = (u16)bl | ((u16)bh << 8); |
| return(wRet); |
| } |
| /******************************************************************************* |
| * Function Name : ByteSwap |
| * Description : |
| * Input : wSwW |
| * Output : |
| * Return : |
| *******************************************************************************/ |
| u16 ByteSwap(u16 wSwW) |
| { |
| u8 bTemp; |
| u16 wRet; |
| bTemp = (u8)(wSwW & 0xff); |
| wRet = (wSwW >> 8) | ((u16)bTemp << 8); |
| return(wRet); |
| } |
| /* DMA Functions only for STR91x */ |
| #ifdef STR91x /*str91x family*/ |
| /******************************************************************************* |
| * Function Name : SetDMAburstTxSize |
| * Description : Configure the Burst Size for a Tx Endpoint |
| * Input : DestBsize: Destination Burst Size |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void SetDMABurstTxSize(u8 DestBsize) |
| { |
| *DMABSIZE &=~0xEF; |
| *DMABSIZE = (DestBsize<<4); |
| } |
| /******************************************************************************* |
| * Function Name : SetDMABurstRxSize |
| * Description : Configure the Burst Size for a Rx Endpoint |
| * Input : SrcBsize: Source Burst |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void SetDMABurstRxSize(u8 SrcBsize) |
| { |
| *DMABSIZE &=~0x7; |
| *DMABSIZE = SrcBsize; |
| } |
| /******************************************************************************* |
| * Function Name : DMAUnlinkedModeTxConfig |
| * Description : Configure a Tx Endpoint to trigger TX Unlinked DMA request |
| * Note : Up to three endpoints could be configured to trigger DMA |
| request, an index[0:2] must be associated to an endpoint |
| * Input : -bEpNum: endpoint number[0:9] |
| * -index: 0,1 or 2 |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void DMAUnlinkedModeTxConfig(u8 bEpNum ,u8 index) |
| { |
| *DMACR2 &=~(0x0F<<(4*index)); |
| *DMACR2 |=bEpNum<<(4*index); |
| } |
| /******************************************************************************* |
| * Function Name : DMAUnlinkedModeTxEnable |
| * Description : Enable a Tx endpoint to trigger Tx DMA request |
| * Input : -index :0,1 or 2 = index associated to endpoint in function |
| * "DMAUnlinkedModeTxConfig" |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void DMAUnlinkedModeTxEnable(u8 index) |
| { |
| *DMACR3 &=~0x01; /*DMA Tx linked mode disabled*/ |
| *DMACR2 &=~0x3000; |
| *DMACR2 |=(index+1)<<12; |
| } |
| /******************************************************************************* |
| * Function Name : DMAUnlinkedModeTxDisable |
| * Description : Enable a Tx endpoint to trigger Tx DMA request |
| * Input : index :0,1 or 2 = index associated to endpoint in function |
| * "DMAUnlinkedModeTxConfig" |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void DMAUnlinkedModeTxDisable(u8 index) |
| { |
| *DMACR2 &=~0x3000; |
| } |
| /******************************************************************************* |
| * Function Name : DMAUnlinkedModeRxEnable |
| * Description : Enable a Rx Endpoint to trigger Rx DMA |
| * Input : bEpNum: endpoint number[0:9] |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void DMAUnlinkedModeRxEnable(u8 bEpNum) |
| { |
| *DMACR3 &=~0x80; /*DMA Rx linked mode disabled*/ |
| *DMACR1 |=(0x1<<bEpNum); |
| } |
| /******************************************************************************* |
| * Function Name : DMAUnlinkedModeRxDisable |
| * Description : Disable a Rx Endpoint to trigger Rx DMA |
| * Input : bEpNum: endpoint number[0:9] |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void DMAUnlinkedModeRxDisable(u8 bEpNum) |
| { |
| *DMACR1 &=~(0x1<<bEpNum); |
| } |
| /******************************************************************************* |
| * Function Name : DMALinkedModeRxConfig |
| * Description : Configure a Rx endpoint to trigger DMA linked request |
| * Input : bEpNum: endpoint number[0:9] |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void DMALinkedModeRxConfig(u8 bEpNum) |
| { |
| *DMACR3 &=~0x1E00; |
| *DMACR3 |=bEpNum<<9; |
| } |
| /******************************************************************************* |
| * Function Name : DMALinkedModeTxConfig |
| * Description : Configure a Tx endpoint to trigger DMA linked request |
| * Input : bEpNum: endpoint number[0:9] |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void DMALinkedModeTxConfig(u8 bEpNum) |
| { |
| *DMACR3 &=~0x1E; |
| *DMACR3 |=bEpNum<<1; |
| } |
| /******************************************************************************* |
| * Function Name : DMALinkedModeRxEnable |
| * Description : Enable the DMA Linked Rx mode |
| * Input : None |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void DMALinkedModeRxEnable(void) |
| { |
| *DMACR3 |=0x100; |
| *DMACR3 |=0x2000; |
| } |
| /******************************************************************************* |
| * Function Name : DMALinkedModeTxEnable |
| * Description : Enable the DMA Linked Tx mode |
| * Input : None |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void DMALinkedModeTxEnable(void) |
| { |
| *DMACR3 |=0x1; |
| *DMACR3 |=0x20; |
| } |
| /******************************************************************************* |
| * Function Name : DMALinkedModeRxDisable |
| * Description : Disable the DMA Linked Rx mode |
| * Input : None |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void DMALinkedModeRxDisable(void) |
| { |
| *DMACR3 &=~0x100; |
| *DMACR3 &=~0x2000; |
| } |
| /******************************************************************************* |
| * Function Name : DMALinkedModeTxDisable |
| * Description : Disable the DMA Linked Tx mode |
| * Input : None |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void DMALinkedModeTxDisable(void) |
| { |
| *DMACR3 &=~0x1; |
| *DMACR3 &=~0x20; |
| } |
| /******************************************************************************* |
| * Function Name : USB_DMASynchEnable |
| * Description : Enable the Synchronization Logic |
| * Input : TRUE or FALSE |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void DMASynchEnable(void) |
| { |
| *DMACR3 |=0x40; |
| } |
| /******************************************************************************* |
| * Function Name : USB_DMASynchDisable |
| * Description : Disable the Synchronization Logic |
| * Input : TRUE or FALSE |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void DMASynchDisable(void) |
| { |
| *DMACR3 &=~0x40; |
| } |
| /******************************************************************************* |
| * Function Name : SetDMALLITxLength |
| * Description : Set the DMA LLI Tx length |
| * Input : length |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void SetDMALLITxLength(u8 length) |
| { |
| *DMALLI &=~0xFF; |
| *DMALLI |= length; |
| } |
| /******************************************************************************* |
| * Function Name : SetDMALLIRxLength |
| * Description : Set the DMA LLI Rx length |
| * Input : length |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void SetDMALLIRxLength(u8 length ) |
| { |
| *DMALLI &=~0xFF00; |
| *DMALLI |= length<<8; |
| } |
| /******************************************************************************* |
| * Function Name : SetDMALLIRxPacketNum |
| * Description : Set the LLI_RX_NPACKETS field in register USB_DMABSIZE register |
| * Input : None |
| * Output : None |
| * Return : None |
| *******************************************************************************/ |
| void SetDMALLIRxPacketNum(u8 PacketNum) |
| { |
| *DMABSIZE &=0xFF; |
| *DMABSIZE |=(PacketNum<<8); |
| } |
| /******************************************************************************* |
| * Function Name : GetDMALLIPacketNum |
| * Description : gets the LLI_RX_NPACKETS field value |
| * Input : None |
| * Output : None |
| * Return : LLI_RX_NPACKETS field value |
| *******************************************************************************/ |
| u8 GetDMALLIRxPacketNum(void) |
| { |
| return((u8)(*DMABSIZE & 0xFF00)>>8); |
| } |
| #endif |
| /******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/ |