/* ---------------------------------------------------------------------------- * ATMEL Microcontroller Software Support * ---------------------------------------------------------------------------- * Copyright (c) 2008, Atmel Corporation * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the disclaimer below. * * Atmel's name may not be used to endorse or promote products derived from * this software without specific prior written permission. * * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ---------------------------------------------------------------------------- */ //------------------------------------------------------------------------------ /// \unit /// /// !Purpose /// /// CCID driver /// /// !Usage /// /// Explanation on the usage of the code made available through the header file. //------------------------------------------------------------------------------ //------------------------------------------------------------------------------ // Headers //------------------------------------------------------------------------------ #include "board.h" #include "simtrace.h" #ifdef HAVE_CCID #include #include #include //#include #include // FIXME: Remove DFU related stuff /* no DFU bootloader is being used */ #define DFU_NUM_IF 0 #define DFU_IF_DESCRIPTORS_STRUCT #define DFU_IF_DESCRIPTORS #define DFU_NUM_STRINGS 0 #define DFU_STRING_DESCRIPTORS //------------------------------------------------------------------------------ // Local definition //------------------------------------------------------------------------------ /// Constants: IDs: Device product ID. //#define CCIDDriverDescriptors_PRODUCTID 0x6129 #define CCIDDriverDescriptors_PRODUCTID SIMTRACE_PRODUCT_ID /// Constants: IDs: Device vendor ID. #define CCIDDriverDescriptors_VENDORID ATMEL_VENDOR_ID //#define CCIDDriverDescriptors_VENDORID 0x03EB /// Constants: IDs: Device release number. #define CCIDDriverDescriptors_RELEASE 0x0100 //------------------------------------------------------------------------------ // Types //------------------------------------------------------------------------------ /// Driver structure for an CCID device typedef struct { /// CCID message S_ccid_bulk_in_header sCcidMessage; /// CCID command S_ccid_bulk_out_header sCcidCommand; /// Interrupt message answer unsigned char BufferINT[4]; /// Buffer data of message unsigned char ProtocolDataStructure[10]; /// Protocol used unsigned char bProtocol; /// SlotStatus /// Bit 0 = Slot 0 current state /// Bit 1 = Slot 0 changed status /// Bit 2 = Slot 1 current state /// Bit 3 = Slot 1 changed status /// Bit 4 = Slot 2 current state /// Bit 5 = Slot 2 changed status unsigned char SlotStatus; } CCIDDriver; //------------------------------------------------------------------------------ // Local variables //------------------------------------------------------------------------------ /// Static instance of the CCID device driver. static CCIDDriver ccidDriver; static CCIDDriverConfigurationDescriptors *configurationDescriptorsFS; //------------------------------------------------------------------------------ // Internal functions //------------------------------------------------------------------------------ //------------------------------------------------------------------------------ /// Initializes the CCID device driver. //------------------------------------------------------------------------------ void CCIDDriver_Initialize( void ) { configurationDescriptorsFS = (CCIDDriverConfigurationDescriptors *) configurationDescriptorsArr[CFG_NUM_CCID-1]; } //------------------------------------------------------------------------------ /// Response Pipe, Bulk-IN Messages /// Return the Slot Status to the host /// Answer to: /// PC_to_RDR_IccPowerOff /// PC_to_RDR_GetSlotStatus /// PC_to_RDR_IccClock /// PC_to_RDR_T0APDU /// PC_to_RDR_Mechanical /// PC_to_RDR_Abort and Class specific ABORT request //------------------------------------------------------------------------------ static void RDRtoPCSlotStatus( void ) { // Header fields settings ccidDriver.sCcidMessage.bMessageType = RDR_TO_PC_SLOTSTATUS; ccidDriver.sCcidMessage.wLength = 0; if (ccidDriver.SlotStatus == ICC_INSERTED_EVENT) { ccidDriver.sCcidMessage.bStatus = 0; /* ICC present and active card */ } else if (ccidDriver.SlotStatus == ICC_NOT_PRESENT) { ccidDriver.sCcidMessage.bStatus = 2; /* No ICC present*/ } else{ TRACE_ERROR("Strange bStatus"); ccidDriver.sCcidMessage.bStatus = 0; } ccidDriver.sCcidMessage.bError = 0; // 00h Clock running // 01h Clock stopped in state L // 02h Clock stopped in state H // 03h Clock stopped in an unknown state // All other values are Reserved for Future Use. ccidDriver.sCcidMessage.bSpecific = 0; } //------------------------------------------------------------------------------ /// Response Pipe, Bulk-IN Messages /// Answer to PC_to_RDR_IccPowerOn //------------------------------------------------------------------------------ static void RDRtoPCDatablock_ATR( void ) { unsigned char i; unsigned char Atr[ATR_SIZE_MAX]; unsigned char length; uint32_t status; TRACE_DEBUG("."); status = ISO7816_Datablock_ATR( Atr, &length ); ISO7816_Decode_ATR( Atr ); if (status == 0) { TRACE_DEBUG("Timeout occured while reading ATR"); // FIXME: react properly to timeout.. // return; } // FIXME: More tests? Is bProtocol = Atr[3] ? if( length > 5 ) { ccidDriver.ProtocolDataStructure[1] = Atr[3]&0x0F; // TD(1) ccidDriver.bProtocol = Atr[3]&0x0F; // TD(1) TRACE_INFO("Protocol data structure: 0x%x\n\r", ccidDriver.ProtocolDataStructure[1]); } // S_ccid_protocol_t0 // bmFindexDindex ccidDriver.ProtocolDataStructure[0] = Atr[2]; // TA(1) // bmTCCKST0 // For T=0 ,B0 – 0b, B7-2 – 000000b // B1 – Convention used (b1=0 for direct, b1=1 for inverse) // bGuardTimeT0 // Extra Guardtime between two characters. Add 0 to 254 etu to the normal // guardtime of 12etu. FFh is the same as 00h. ccidDriver.ProtocolDataStructure[2] = Atr[4]; // TC(1) // AT91C_BASE_US0->US_TTGR = 0; // TC1 // bWaitingIntegerT0 // WI for T=0 used to define WWT ccidDriver.ProtocolDataStructure[3] = Atr[7]; // TC(2) // bClockStop // ICC Clock Stop Support // 00 = Stopping the Clock is not allowed // 01 = Stop with Clock signal Low // 02 = Stop with Clock signal High // 03 = Stop with Clock either High or Low ccidDriver.ProtocolDataStructure[4] = 0x00; // 0 to 3 // Header fields settings ccidDriver.sCcidMessage.bMessageType = RDR_TO_PC_DATABLOCK; ccidDriver.sCcidMessage.wLength = length; // Size of ATR ccidDriver.sCcidMessage.bSizeToSend += length; // Size of ATR // bChainParameter: 00 the response APDU begins and ends in this command ccidDriver.sCcidMessage.bSpecific = 0; for( i=0; iccid.dwFeatures & CCID_FEATURES_AUTO_VOLT) ) { //bPowerSelect = ccidDriver.sCcidCommand.bSpecific_0; ccidDriver.sCcidCommand.bSpecific_0 = VOLTS_AUTO; } ISO7816_warm_reset(); // ISO7816_cold_reset(); // for emulation only //JCB if ( ccidDriver.sCcidCommand.bSpecific_0 != VOLTS_5_0 ) { TRACE_ERROR("POWER_NOT_SUPPORTED\n\r"); } else { RDRtoPCDatablock_ATR(); } } //------------------------------------------------------------------------------ /// Command Pipe, Bulk-OUT Messages /// Power Off Command - Set the ICC in an inactive state /// Return the slot status to the host //------------------------------------------------------------------------------ static void PCtoRDRIccPowerOff( void ) { unsigned char bStatus; TRACE_DEBUG("."); ISO7816_IccPowerOff(); //JCB stub bStatus = ICC_BS_PRESENT_NOTACTIVATED; // Set the slot to an inactive status ccidDriver.sCcidMessage.bStatus = 0; ccidDriver.sCcidMessage.bError = 0; // if error, see Table 6.1-2 errors // Return the slot status to the host RDRtoPCSlotStatus(); } //------------------------------------------------------------------------------ /// Command Pipe, Bulk-OUT Messages /// Get slot status //------------------------------------------------------------------------------ static void PCtoRDRGetSlotStatus( void ) { TRACE_DEBUG("."); ccidDriver.sCcidMessage.bStatus = 0; ccidDriver.sCcidMessage.bError = 0; // Return the slot status to the host RDRtoPCSlotStatus(); } //------------------------------------------------------------------------------ /// Command Pipe, Bulk-OUT Messages /// If the command header is valid, an APDU command is received and can be read /// by the application //------------------------------------------------------------------------------ static void PCtoRDRXfrBlock( void ) { uint16_t msglen = 0; uint32_t ret; TRACE_DEBUG("PCtoRDRXfrBlock\n"); // Check the block length if ( ccidDriver.sCcidCommand.wLength > (configurationDescriptorsFS->ccid.dwMaxCCIDMessageLength-10) ) { TRACE_DEBUG("Err block/msg len"); ccidDriver.sCcidMessage.bStatus = 1; ccidDriver.sCcidMessage.bError = 0; } // check bBWI else if ( 0 != ccidDriver.sCcidCommand.bSpecific_0 ) { TRACE_ERROR("Bad bBWI\n\r"); } else { // APDU or TPDU switch(configurationDescriptorsFS->ccid.dwFeatures & (CCID_FEATURES_EXC_TPDU|CCID_FEATURES_EXC_SAPDU|CCID_FEATURES_EXC_APDU)) { case CCID_FEATURES_EXC_TPDU: if (ccidDriver.ProtocolDataStructure[1] == PROTOCOL_TO) { TRACE_DEBUG("APDU cmd: %x %x %x ..", ccidDriver.sCcidCommand.APDU[0], ccidDriver.sCcidCommand.APDU[1],ccidDriver.sCcidCommand.APDU[2] ); // Send commande APDU ret = ISO7816_XfrBlockTPDU_T0( ccidDriver.sCcidCommand.APDU , ccidDriver.sCcidMessage.abData, ccidDriver.sCcidCommand.wLength, &msglen ); if (ret != 0) { TRACE_ERROR("APDU could not be sent: (US_CSR = 0x%x)", ret); return; } } else { if (ccidDriver.ProtocolDataStructure[1] == PROTOCOL_T1) { TRACE_DEBUG("Not supported T=1\n\r"); } else { TRACE_DEBUG("Not supported 0x%x\n\r", ccidDriver.ProtocolDataStructure[1]); } } break; case CCID_FEATURES_EXC_APDU: TRACE_DEBUG("Not supported CCID_FEATURES_EXC_APDU\n\r"); break; default: break; } } ccidDriver.sCcidMessage.wLength = msglen; TRACE_DEBUG("USB: 0x%X, 0x%X, 0x%X, 0x%X, 0x%X\n\r", ccidDriver.sCcidMessage.abData[0], ccidDriver.sCcidMessage.abData[1], ccidDriver.sCcidMessage.abData[2], ccidDriver.sCcidMessage.abData[3], ccidDriver.sCcidMessage.abData[4] ); RDRtoPCDatablock(); } //------------------------------------------------------------------------------ /// Command Pipe, Bulk-OUT Messages /// return parameters by the command: RDR_to_PC_Parameters //------------------------------------------------------------------------------ static void PCtoRDRGetParameters( void ) { TRACE_DEBUG("."); // We support only one slot // bmIccStatus if( ISO7816_StatusReset() ) { // 0: An ICC is present and active (power is on and stable, RST is inactive ccidDriver.sCcidMessage.bStatus = 0; } else { // 1: An ICC is present and inactive (not activated or shut down by hardware error) ccidDriver.sCcidMessage.bStatus = 1; } RDRtoPCParameters(); } //------------------------------------------------------------------------------ /// Command Pipe, Bulk-OUT Messages /// This command resets the slot parameters to their default values //------------------------------------------------------------------------------ static void PCtoRDRResetParameters( void ) { TRACE_DEBUG("."); ccidDriver.SlotStatus = ICC_NOT_PRESENT; ccidDriver.sCcidMessage.bStatus = ccidDriver.SlotStatus; RDRtoPCParameters(); } //------------------------------------------------------------------------------ /// Command Pipe, Bulk-OUT Messages /// This command is used to change the parameters for a given slot. //------------------------------------------------------------------------------ static void PCtoRDRSetParameters( void ) { TRACE_DEBUG("."); ccidDriver.SlotStatus = ccidDriver.sCcidCommand.bSlot; ccidDriver.sCcidMessage.bStatus = ccidDriver.SlotStatus; // Not all feature supported RDRtoPCParameters(); } //------------------------------------------------------------------------------ /// Command Pipe, Bulk-OUT Messages /// This command allows the CCID manufacturer to define and access extended /// features. /// Information sent via this command is processed by the CCID control logic. //------------------------------------------------------------------------------ static void PCtoRDREscape( void ) { TRACE_DEBUG("."); // If needed by the user ISO7816_Escape(); // stub, return all value send RDRtoPCEscape( ccidDriver.sCcidCommand.wLength, ccidDriver.sCcidCommand.APDU); } //------------------------------------------------------------------------------ /// Command Pipe, Bulk-OUT Messages /// This command stops or restarts the clock. //------------------------------------------------------------------------------ static void PCtoRDRICCClock( void ) { TRACE_DEBUG("."); if( 0 == ccidDriver.sCcidCommand.bSpecific_0 ) { // restarts the clock ISO7816_RestartClock(); } else { // stop clock in the state shown in the bClockStop field ISO7816_StopClock(); } RDRtoPCSlotStatus( ); } //------------------------------------------------------------------------------ /// Command Pipe, Bulk-OUT Messages /// This command changes the parameters used to perform the transportation of /// APDU messages by the T=0 protocol. //------------------------------------------------------------------------------ static void PCtoRDRtoAPDU( void ) { unsigned char bmChanges; unsigned char bClassGetResponse; unsigned char bClassEnvelope; TRACE_INFO("."); if( configurationDescriptorsFS->ccid.dwFeatures == (CCID_FEATURES_EXC_SAPDU|CCID_FEATURES_EXC_APDU) ) { bmChanges = ccidDriver.sCcidCommand.bSpecific_0; bClassGetResponse = ccidDriver.sCcidCommand.bSpecific_1; bClassEnvelope = ccidDriver.sCcidCommand.bSpecific_2; ISO7816_toAPDU(); } RDRtoPCSlotStatus(); } //------------------------------------------------------------------------------ /// Command Pipe, Bulk-OUT Messages /// This is a command message to allow entering the PIN for verification or /// modification. //------------------------------------------------------------------------------ static void PCtoRDRSecure( void ) { TRACE_DEBUG("."); TRACE_DEBUG("For user\n\r"); } //------------------------------------------------------------------------------ /// Command Pipe, Bulk-OUT Messages /// This command is used to manage motorized type CCID functionality. /// The Lock Card function is used to hold the ICC. /// This prevents an ICC from being easily removed from the CCID. /// The Unlock Card function is used to remove the hold initiated by the Lock /// Card function //------------------------------------------------------------------------------ static void PCtoRDRMechanical( void ) { TRACE_DEBUG("."); TRACE_DEBUG("Not implemented\n\r"); RDRtoPCSlotStatus(); } //------------------------------------------------------------------------------ /// Command Pipe, Bulk-OUT Messages /// This command is used with the Control pipe Abort request to tell the CCID /// to stop any current transfer at the specified slot and return to a state /// where the slot is ready to accept a new command pipe Bulk-OUT message. //------------------------------------------------------------------------------ static void PCtoRDRAbort( void ) { TRACE_DEBUG("."); RDRtoPCSlotStatus(); } //------------------------------------------------------------------------------ /// Command Pipe, Bulk-OUT Messages /// This command is used to manually set the data rate and clock frequency of /// a specific slot. //------------------------------------------------------------------------------ static void PCtoRDRSetDataRateAndClockFrequency( void ) { unsigned int dwClockFrequency; unsigned int dwDataRate; TRACE_DEBUG("."); dwClockFrequency = ccidDriver.sCcidCommand.APDU[0] + (ccidDriver.sCcidCommand.APDU[1]<<8) + (ccidDriver.sCcidCommand.APDU[2]<<16) + (ccidDriver.sCcidCommand.APDU[3]<<24); dwDataRate = ccidDriver.sCcidCommand.APDU[4] + (ccidDriver.sCcidCommand.APDU[5]<<8) + (ccidDriver.sCcidCommand.APDU[6]<<16) + (ccidDriver.sCcidCommand.APDU[7]<<24); ISO7816_SetDataRateandClockFrequency( dwClockFrequency, dwDataRate ); RDRtoPCDataRateAndClockFrequency( dwClockFrequency, dwDataRate ); } //------------------------------------------------------------------------------ /// Report the CMD_NOT_SUPPORTED error to the host //------------------------------------------------------------------------------ static void vCCIDCommandNotSupported( void ) { // Command not supported // vCCIDReportError(CMD_NOT_SUPPORTED); TRACE_DEBUG("CMD_NOT_SUPPORTED\n\r"); // Header fields settings ccidDriver.sCcidMessage.bMessageType = RDR_TO_PC_SLOTSTATUS; ccidDriver.sCcidMessage.wLength = 0; ccidDriver.sCcidMessage.bSpecific = 0; ccidDriver.sCcidMessage.bStatus |= ICC_CS_FAILED; // Send the response to the host //vCCIDSendResponse(); } //------------------------------------------------------------------------------ /// Sent CCID response on USB //------------------------------------------------------------------------------ static void vCCIDSendResponse( void ) { unsigned char bStatus; TRACE_DEBUG("."); do { bStatus = CCID_Write((void*)&ccidDriver.sCcidMessage, ccidDriver.sCcidMessage.bSizeToSend, 0, 0 ); } while (bStatus != USBD_STATUS_SUCCESS); TRACE_DEBUG("bStatus: 0x%x\n\r", bStatus); } //------------------------------------------------------------------------------ /// Description: CCID Command dispatcher //------------------------------------------------------------------------------ static void CCIDCommandDispatcher( void *pArg, uint8_t status, uint32_t transferred, uint32_t remaining ) { unsigned char MessageToSend = 0; if (status != USBD_STATUS_SUCCESS) { TRACE_ERROR("USB error: %d", status); return; } TRACE_DEBUG("Command: 0x%X 0x%x 0x%X 0x%X 0x%X 0x%X 0x%X\n\r\n\r", (unsigned int)ccidDriver.sCcidCommand.bMessageType, (unsigned int)ccidDriver.sCcidCommand.wLength, (unsigned int)ccidDriver.sCcidCommand.bSlot, (unsigned int)ccidDriver.sCcidCommand.bSeq, (unsigned int)ccidDriver.sCcidCommand.bSpecific_0, (unsigned int)ccidDriver.sCcidCommand.bSpecific_1, (unsigned int)ccidDriver.sCcidCommand.bSpecific_2); // Check the slot number if ( ccidDriver.sCcidCommand.bSlot > 0 ) { TRACE_ERROR("BAD_SLOT_NUMBER\n\r"); } TRACE_INFO("typ=0x%X\n\r", ccidDriver.sCcidCommand.bMessageType); ccidDriver.sCcidMessage.bStatus = 0; ccidDriver.sCcidMessage.bSeq = ccidDriver.sCcidCommand.bSeq; ccidDriver.sCcidMessage.bSlot = ccidDriver.sCcidCommand.bSlot; ccidDriver.sCcidMessage.bSizeToSend = sizeof(S_ccid_bulk_in_header)-(ABDATA_SIZE+1); // Command dispatcher switch ( ccidDriver.sCcidCommand.bMessageType ) { case PC_TO_RDR_ICCPOWERON: PCtoRDRIccPowerOn(); MessageToSend = 1; break; case PC_TO_RDR_ICCPOWEROFF: PCtoRDRIccPowerOff(); MessageToSend = 1; break; case PC_TO_RDR_GETSLOTSTATUS: PCtoRDRGetSlotStatus(); MessageToSend = 1; break; case PC_TO_RDR_XFRBLOCK: PCtoRDRXfrBlock(); MessageToSend = 1; break; case PC_TO_RDR_GETPARAMETERS: PCtoRDRGetParameters(); MessageToSend = 1; break; case PC_TO_RDR_RESETPARAMETERS: PCtoRDRResetParameters(); MessageToSend = 1; break; case PC_TO_RDR_SETPARAMETERS: PCtoRDRSetParameters(); MessageToSend = 1; break; case PC_TO_RDR_ESCAPE: PCtoRDREscape(); MessageToSend = 1; break; case PC_TO_RDR_ICCCLOCK: PCtoRDRICCClock(); MessageToSend = 1; break; case PC_TO_RDR_T0APDU: // Only CCIDs reporting a short or extended APDU level in the dwFeatures // field of the CCID class descriptor may take this command into account. if( (CCID_FEATURES_EXC_SAPDU == (CCID_FEATURES_EXC_SAPDU&configurationDescriptorsFS->ccid.dwFeatures)) || (CCID_FEATURES_EXC_APDU == (CCID_FEATURES_EXC_APDU &configurationDescriptorsFS->ccid.dwFeatures)) ) { // command supported PCtoRDRtoAPDU(); } else { // command not supported TRACE_INFO("Not supported: PC_TO_RDR_T0APDU\n\r"); vCCIDCommandNotSupported(); } MessageToSend = 1; break; case PC_TO_RDR_SECURE: PCtoRDRSecure(); MessageToSend = 1; break; case PC_TO_RDR_MECHANICAL: PCtoRDRMechanical(); MessageToSend = 1; break; case PC_TO_RDR_ABORT: PCtoRDRAbort(); MessageToSend = 1; break; case PC_TO_RDR_SETDATARATEANDCLOCKFREQUENCY: PCtoRDRSetDataRateAndClockFrequency(); MessageToSend = 1; break; default: TRACE_DEBUG("default: Not supported: 0x%X\n\r", ccidDriver.sCcidCommand.bMessageType); vCCIDCommandNotSupported(); MessageToSend = 1; break; } if( MessageToSend == 1 ) { vCCIDSendResponse(); } } //------------------------------------------------------------------------------ /// SETUP request handler for a CCID device /// \param pRequest Pointer to a USBGenericRequest instance //------------------------------------------------------------------------------ static void CCID_RequestHandler(const USBGenericRequest *pRequest) { TRACE_DEBUG("CCID_RHl\n\r"); // Check if this is a class request if (USBGenericRequest_GetType(pRequest) == USBGenericRequest_CLASS) { // Check if the request is supported switch (USBGenericRequest_GetRequest(pRequest)) { case CCIDGenericRequest_ABORT: TRACE_DEBUG("CCIDGenericRequest_ABORT\n\r"); break; case CCIDGenericRequest_GET_CLOCK_FREQUENCIES: TRACE_DEBUG("Not supported: CCIDGenericRequest_GET_CLOCK_FREQUENCIES\n\r"); // A CCID with bNumClockSupported equal to 00h does not have // to support this request break; case CCIDGenericRequest_GET_DATA_RATES: TRACE_DEBUG("Not supported: CCIDGenericRequest_GET_DATA_RATES\n\r"); // A CCID with bNumDataRatesSupported equal to 00h does not have // to support this request. break; default: TRACE_WARNING( "CCIDDriver_RequestHandler: Unsupported request (%d)\n\r", USBGenericRequest_GetRequest(pRequest)); USBD_Stall(0); } } else if (USBGenericRequest_GetType(pRequest) == USBGenericRequest_STANDARD) { // Forward request to the standard handler USBDDriver_RequestHandler(USBD_GetDriver(), pRequest); } else { // Unsupported request type TRACE_WARNING( "CCIDDriver_RequestHandler: Unsupported request type (%d)\n\r", USBGenericRequest_GetType(pRequest)); USBD_Stall(0); } } //------------------------------------------------------------------------------ // Exported functions //------------------------------------------------------------------------------ //------------------------------------------------------------------------------ /// Optional callback re-implementation //------------------------------------------------------------------------------ #if !defined(NOAUTOCALLBACK) // not static function void USBDCallbacks_RequestReceived(const USBGenericRequest *request) { CCID_RequestHandler(request); } #endif //------------------------------------------------------------------------------ /// Handles SmartCart request //------------------------------------------------------------------------------ void CCID_SmartCardRequest( void ) { unsigned char bStatus; TRACE_DEBUG("CCID_req\n"); do { bStatus = CCID_Read( (void*)&ccidDriver.sCcidCommand, sizeof(S_ccid_bulk_out_header), (TransferCallback)&CCIDCommandDispatcher, (void*)0 ); } while (0); } //------------------------------------------------------------------------------ /// Reads data from the Data OUT endpoint /// \param pBuffer Buffer to store the received data /// \param dLength data buffer length /// \param fCallback Optional callback function /// \param pArgument Optional parameter for the callback function /// \return USBD_STATUS_LOCKED or USBD_STATUS_SUCCESS //------------------------------------------------------------------------------ unsigned char CCID_Read(void *pBuffer, unsigned int dLength, TransferCallback fCallback, void *pArgument) { return USBD_Read(CCID_EPT_DATA_OUT, pBuffer, dLength, fCallback, pArgument); } //------------------------------------------------------------------------------ /// Sends data through the Data IN endpoint /// \param pBuffer Buffer holding the data to transmit /// \param dLength Length of data buffer /// \param fCallback Optional callback function /// \param pArgument Optional parameter for the callback function /// \return USBD_STATUS_LOCKED or USBD_STATUS_SUCCESS //------------------------------------------------------------------------------ unsigned char CCID_Write(void *pBuffer, unsigned int dLength, TransferCallback fCallback, void *pArgument) { return USBD_Write(CCID_EPT_DATA_IN, pBuffer, dLength, fCallback, pArgument); } //------------------------------------------------------------------------------ /// Sends data through the interrupt endpoint, ICC insertion event /// RDR_to_PC_NotifySlotChange /// \return USBD_STATUS_LOCKED or USBD_STATUS_SUCCESS //------------------------------------------------------------------------------ unsigned char CCID_Insertion( void ) { TRACE_DEBUG("."); // Build the Interrupt-IN message ccidDriver.BufferINT[0] = RDR_TO_PC_NOTIFYSLOTCHANGE; ccidDriver.BufferINT[1] = ICC_INSERTED_EVENT; ccidDriver.SlotStatus = ICC_INSERTED_EVENT; // Notify the host that a ICC is inserted return USBD_Write( CCID_EPT_NOTIFICATION, ccidDriver.BufferINT, 2, 0, 0 ); } //------------------------------------------------------------------------------ /// Sends data through the interrupt endpoint, ICC removal event /// RDR_to_PC_NotifySlotChange /// \return USBD_STATUS_LOCKED or USBD_STATUS_SUCCESS //------------------------------------------------------------------------------ unsigned char CCID_Removal( void ) { TRACE_DEBUG("."); // Build the Interrupt-IN message ccidDriver.BufferINT[0] = RDR_TO_PC_NOTIFYSLOTCHANGE; ccidDriver.BufferINT[1] = ICC_NOT_PRESENT; ccidDriver.SlotStatus = ICC_NOT_PRESENT; // Notify the host that a ICC is inserted return USBD_Write( CCID_EPT_NOTIFICATION, ccidDriver.BufferINT, 2, 0, 0 ); } //------------------------------------------------------------------------------ /// Interrupt-IN Messages /// This message is sent when any bit in the bHardwareErrorCode field is set. /// If this message is sent when there is no “outstanding” command, the bSeq /// field will be undefined. /// \param bSlot ICC slot number /// \param bSeq Sequence number of the bulk OUT command when the hardware error /// occured /// \param bHardwareErrorCode Hardware error code /// \return USBD_STATUS_LOCKED or USBD_STATUS_SUCCESS //------------------------------------------------------------------------------ unsigned char RDRtoPCHardwareError( unsigned char bSlot, unsigned char bSeq, unsigned char bHardwareErrorCode ) { TRACE_DEBUG("."); // Build the Interrupt-IN message ccidDriver.BufferINT[0] = RDR_TO_PC_HARDWAREERROR; ccidDriver.BufferINT[1] = bSlot; ccidDriver.BufferINT[2] = bSeq; ccidDriver.BufferINT[3] = bHardwareErrorCode; // Notify the host that a ICC is inserted return USBD_Write( CCID_EPT_NOTIFICATION, ccidDriver.BufferINT, 4, 0, 0 ); } #endif /* HAVE_CCID */