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765 lines
15 KiB
765 lines
15 KiB
/*++
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Copyright (c) 1997 SCM Microsystems, Inc.
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Module Name:
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StcCmd.c
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Abstract:
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Basic command functions for STC smartcard reader
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Environment:
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Revision History:
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PP 01.19.1999 1.01 Modification for PC/SC
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YL 1.00 Initial Version
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--*/
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#include "common.h"
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#include "StcCmd.h"
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#include "usbcom.h"
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#include "stcusbnt.h"
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const STC_REGISTER STCInitialize[] =
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{
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{ ADR_SC_CONTROL, 0x01, 0x00 }, // reset
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{ ADR_CLOCK_CONTROL, 0x01, 0x01 },
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{ ADR_CLOCK_CONTROL, 0x01, 0x03 },
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{ ADR_UART_CONTROL, 0x01, 0x27 },
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{ ADR_UART_CONTROL, 0x01, 0x4F },
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{ ADR_IO_CONFIG, 0x01, 0x02 }, // 0x10 eva board
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{ ADR_FIFO_CONFIG, 0x01, 0x81 },
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{ ADR_INT_CONTROL, 0x01, 0x11 },
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{ 0x0E, 0x01, 0xC0 },
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{ 0x00, 0x00, 0x00 },
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};
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const STC_REGISTER STCClose[] =
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{
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{ ADR_INT_CONTROL, 0x01, 0x00 },
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{ ADR_SC_CONTROL, 0x01, 0x00 }, // reset
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{ ADR_UART_CONTROL, 0x01, 0x40 },
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{ ADR_CLOCK_CONTROL, 0x01, 0x01 },
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{ ADR_CLOCK_CONTROL, 0x01, 0x00 },
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{ 0x00, 0x00, 0x00 },
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};
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NTSTATUS
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STCResetInterface(
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PREADER_EXTENSION ReaderExtension)
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/*++
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Description:
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Arguments:
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ReaderExtension context of call
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Return Value:
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--*/
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{
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NTSTATUS NtStatus = STATUS_SUCCESS;
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DWORD dwETU;
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dwETU = 0x7401 | 0x0080;
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NtStatus=IFWriteSTCRegister(
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ReaderExtension,
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ADR_ETULENGTH15,
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2,
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(UCHAR *)&dwETU);
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return(NtStatus);
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}
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NTSTATUS
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STCReset(
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PREADER_EXTENSION ReaderExtension,
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UCHAR Device,
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BOOLEAN WarmReset,
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PUCHAR pATR,
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PULONG pATRLength)
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/*++
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Description:
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performs a reset of ICC
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Arguments:
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ReaderExtension context of call
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Device device requested
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WarmReset kind of ICC reset
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pATR ptr to ATR buffer, NULL if no ATR required
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pATRLength size of ATR buffer / length of ATR
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Return Value:
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STATUS_SUCCESS
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STATUS_NO_MEDIA
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STATUS_UNRECOGNIZED_MEDIA
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error values from IFRead / IFWrite
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--*/
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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// set UART to autolearn mode
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NTStatus = STCInitUART( ReaderExtension, TRUE );
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if( NTStatus == STATUS_SUCCESS)
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{
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//
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// set default frequency for ATR
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//
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NTStatus = STCSetFDIV( ReaderExtension, FREQ_DIV );
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if( NTStatus == STATUS_SUCCESS && ( !WarmReset ))
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{
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//
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// deactivate contacts
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//
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NTStatus = STCPowerOff( ReaderExtension );
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}
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//
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// set power to card
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//
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if( NTStatus == STATUS_SUCCESS)
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{
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NTStatus = STCPowerOn( ReaderExtension );
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if( NTStatus == STATUS_SUCCESS)
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{
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NTStatus = STCReadATR( ReaderExtension, pATR, pATRLength );
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}
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}
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}
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if( NTStatus != STATUS_SUCCESS )
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{
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STCPowerOff( ReaderExtension );
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}
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return( NTStatus );
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}
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NTSTATUS
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STCReadATR(
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PREADER_EXTENSION ReaderExtension,
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PUCHAR pATR,
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PULONG pATRLen)
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/*++
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Description:
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Read and analize the ATR
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Arguments:
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ReaderExtension context of call
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pATR ptr to ATR buffer,
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pATRLen size of ATR buffer / length of ATR
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Return Value:
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--*/
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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UCHAR T0_Yx,
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T0_K, // number of historical bytes
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Protocol;
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ULONG ATRLen;
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//
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// set read timeout for ATR
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//
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ReaderExtension->ReadTimeout = 250; // only 250ms for this firs ATR
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//
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// read TS if active low reset
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//
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NTStatus = IFReadSTCData( ReaderExtension, pATR, 1 );
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if( NTStatus == STATUS_IO_TIMEOUT )
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{
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ReaderExtension->ReadTimeout = 2500;
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NTStatus = STCSetRST( ReaderExtension, TRUE );
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if( NTStatus == STATUS_SUCCESS )
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{
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NTStatus = IFReadSTCData( ReaderExtension, pATR, 1 );
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}
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}
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Protocol = PROTOCOL_TO;
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ATRLen = 1;
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if( NTStatus == STATUS_SUCCESS )
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{
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// T0
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NTStatus = IFReadSTCData( ReaderExtension, pATR + ATRLen, 1 );
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ATRLen++;
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/* Convention management */
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if ( pATR[0] == 0x03 ) /* Direct convention */
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{
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pATR[0] = 0x3F;
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}
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if ( ( pATR[0] != 0x3F ) && ( pATR[0] != 0x3B ) )
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{
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NTStatus = STATUS_DATA_ERROR;
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}
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if( NTStatus == STATUS_SUCCESS )
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{
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ULONG Request;
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// number of historical bytes
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T0_K = (UCHAR) ( pATR[ATRLen-1] & 0x0F );
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// coding of TA, TB, TC, TD
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T0_Yx = (UCHAR) ( pATR[ATRLen-1] & 0xF0 ) >> 4;
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while(( NTStatus == STATUS_SUCCESS ) && T0_Yx )
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{
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UCHAR Mask;
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// evaluate presence of TA, TB, TC, TD
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Mask = T0_Yx;
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Request = 0;
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while( Mask )
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{
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if( Mask & 1 )
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{
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Request++;
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}
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Mask >>= 1;
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}
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NTStatus = IFReadSTCData( ReaderExtension, pATR + ATRLen, Request );
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ATRLen += Request;
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if( T0_Yx & TDx )
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{
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// high nibble of TD codes the next set of TA, TB, TC, TD
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T0_Yx = ( pATR[ATRLen-1] & 0xF0 ) >> 4;
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// low nibble of TD codes the protocol
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Protocol = pATR[ATRLen-1] & 0x0F;
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}
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else
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{
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break;
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}
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}
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if( NTStatus == STATUS_SUCCESS )
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{
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// historical bytes
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NTStatus = IFReadSTCData( ReaderExtension, pATR + ATRLen, T0_K );
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// check sum
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if( NTStatus == STATUS_SUCCESS )
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{
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ATRLen += T0_K;
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if( Protocol >= PROTOCOL_T1 )
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{
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NTStatus = IFReadSTCData( ReaderExtension, pATR + ATRLen, 1 );
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if( NTStatus == STATUS_SUCCESS )
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{
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ATRLen++;
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}
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else if( NTStatus == STATUS_IO_TIMEOUT )
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{
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// some cards don't support the TCK
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NTStatus = STATUS_SUCCESS;
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}
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}
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}
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}
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}
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}
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if( NTStatus == STATUS_IO_TIMEOUT )
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{
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NTStatus = STATUS_UNRECOGNIZED_MEDIA;
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}
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if(( NTStatus == STATUS_SUCCESS ) && ( pATRLen != NULL ))
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{
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*pATRLen = ATRLen;
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}
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return( NTStatus );
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}
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NTSTATUS
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STCPowerOff(
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PREADER_EXTENSION ReaderExtension )
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/*++
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Description:
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Deactivates the requested device
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Arguments:
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ReaderExtension context of call
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Return Value:
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STATUS_SUCCESS
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error values from IFRead / IFWrite
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--*/
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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UCHAR SCCtrl;
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// clear SIM
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SCCtrl=0x11;
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NTStatus=IFWriteSTCRegister(
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ReaderExtension,
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ADR_INT_CONTROL,
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1,
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&SCCtrl);
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SCCtrl = 0x00;
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NTStatus = IFWriteSTCRegister( ReaderExtension, ADR_SC_CONTROL, 1, &SCCtrl );
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return( NTStatus );
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}
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NTSTATUS
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STCPowerOn(
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PREADER_EXTENSION ReaderExtension )
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/*++
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Description:
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Deactivates the requested device
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Arguments:
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ReaderExtension context of call
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Return Value:
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STATUS_SUCCESS
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error values from IFRead / IFWrite
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--*/
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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UCHAR SCCtrl,Byte;
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Byte = 0x02;
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NTStatus = IFWriteSTCRegister(
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ReaderExtension,
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ADR_IO_CONFIG,
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1,
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&Byte
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);
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SCCtrl = 0x40; // vcc
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NTStatus = IFWriteSTCRegister( ReaderExtension, ADR_SC_CONTROL, 1, &SCCtrl );
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if( NTStatus == STATUS_SUCCESS )
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{
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SCCtrl = 0x41; // vpp
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NTStatus = IFWriteSTCRegister(
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ReaderExtension,
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ADR_SC_CONTROL,
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1,
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&SCCtrl
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);
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// set SIM
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SCCtrl = 0x13;
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NTStatus=IFWriteSTCRegister(
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ReaderExtension,
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ADR_INT_CONTROL,
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1,
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&SCCtrl);
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if( NTStatus == STATUS_SUCCESS )
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{
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SCCtrl = 0xD1; // vcc, clk, io
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NTStatus = IFWriteSTCRegister(
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ReaderExtension,
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ADR_SC_CONTROL,
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1,
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&SCCtrl
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);
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}
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}
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return( NTStatus );
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}
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NTSTATUS
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STCSetRST(
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PREADER_EXTENSION ReaderExtension,
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BOOLEAN On)
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/*++
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Description:
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Arguments:
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ReaderExtension context of call
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Return Value:
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STATUS_SUCCESS
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error values from IFRead / IFWrite
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--*/
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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UCHAR SCCtrl = 0;
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NTStatus = IFReadSTCRegister( ReaderExtension, ADR_SC_CONTROL, 1,&SCCtrl );
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if( NTStatus == STATUS_SUCCESS )
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{
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if( On )
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{
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SCCtrl |= 0x20;
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}
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else
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{
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SCCtrl &= ~0x20;
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}
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NTStatus = IFWriteSTCRegister(
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ReaderExtension,
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ADR_SC_CONTROL,
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1,
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&SCCtrl
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);
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}
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return(NTStatus);
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}
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NTSTATUS
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STCConfigureSTC(
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PREADER_EXTENSION ReaderExtension,
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PSTC_REGISTER pConfiguration
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)
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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UCHAR Value;
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do
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{
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if( pConfiguration->Register == ADR_INT_CONTROL )
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{
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// Read interrupt status register to acknoledge wrong states
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NTStatus = IFReadSTCRegister(
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ReaderExtension,
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ADR_INT_STATUS,
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1,
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&Value
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);
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}
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Value = (UCHAR) pConfiguration->Value;
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NTStatus = IFWriteSTCRegister(
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ReaderExtension,
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pConfiguration->Register,
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pConfiguration->Size,
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(PUCHAR)&pConfiguration->Value
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);
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if (NTStatus == STATUS_NO_MEDIA)
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{
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// ignore that no card is in the reader
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NTStatus = STATUS_SUCCESS;
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}
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// delay to stabilize the oscilator clock:
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if( pConfiguration->Register == ADR_CLOCK_CONTROL )
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{
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SysDelay( 100 );
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}
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pConfiguration++;
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} while(NTStatus == STATUS_SUCCESS && pConfiguration->Size);
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return NTStatus;
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}
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NTSTATUS
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STCSetETU(
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PREADER_EXTENSION ReaderExtension,
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ULONG NewETU)
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/*++
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Description:
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Arguments:
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ReaderExtension context of call
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Return Value:
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STATUS_SUCCESS
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error values from IFRead / IFWrite
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--*/
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{
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NTSTATUS NTStatus = STATUS_DATA_ERROR;
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UCHAR ETU[2];
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SmartcardDebug(
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DEBUG_TRACE,
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("%s!STCSetETU %d\n",
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DRIVER_NAME,
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NewETU));
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if( NewETU < 0x0FFF )
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{
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NTStatus = IFReadSTCRegister(
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ReaderExtension,
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ADR_ETULENGTH15,
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2,
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ETU);
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if( NTStatus == STATUS_SUCCESS )
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{
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//
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// save all RFU bits
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//
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ETU[1] = (UCHAR) NewETU;
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ETU[0] = (UCHAR)(( ETU[0] & 0xF0 ) | ( NewETU >> 8 ));
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NTStatus = IFWriteSTCRegister(
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ReaderExtension,
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ADR_ETULENGTH15,
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2,
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ETU);
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}
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}
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return(NTStatus);
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}
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NTSTATUS
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STCSetCGT(
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PREADER_EXTENSION ReaderExtension,
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ULONG NewCGT)
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/*++
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Description:
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Arguments:
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ReaderExtension context of call
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Return Value:
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STATUS_SUCCESS
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error values from IFRead / IFWrite
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--*/
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{
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NTSTATUS NTStatus = STATUS_DATA_ERROR;
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UCHAR CGT[2];
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SmartcardDebug(
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DEBUG_TRACE,
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("%s!STCSetCGT %d\n",
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DRIVER_NAME,
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NewCGT));
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if( NewCGT < 0x01FF )
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{
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NTStatus = IFReadSTCRegister(
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ReaderExtension,
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ADR_CGT8,
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2,
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CGT);
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if( NTStatus == STATUS_SUCCESS )
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{
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//
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// save all RFU bits
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//
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CGT[1] = ( UCHAR )NewCGT;
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CGT[0] = (UCHAR)(( CGT[0] & 0xFE ) | ( NewCGT >> 8 ));
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NTStatus = IFWriteSTCRegister(
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ReaderExtension,
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ADR_CGT8,
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2,
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CGT);
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}
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}
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return(NTStatus);
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}
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NTSTATUS
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STCSetCWT(
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PREADER_EXTENSION ReaderExtension,
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ULONG NewCWT)
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/*++
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Description:
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Arguments:
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ReaderExtension context of call
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Return Value:
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STATUS_SUCCESS
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error values from IFRead / IFWrite
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--*/
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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UCHAR CWT[4];
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SmartcardDebug(
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DEBUG_TRACE,
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("%s!STCSetCWT %d\n",
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DRIVER_NAME,
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NewCWT));
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// little indians...
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CWT[0] = (( PUCHAR )&NewCWT )[3];
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CWT[1] = (( PUCHAR )&NewCWT )[2];
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CWT[2] = (( PUCHAR )&NewCWT )[1];
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CWT[3] = (( PUCHAR )&NewCWT )[0];
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NTStatus = IFWriteSTCRegister(
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ReaderExtension,
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ADR_CWT31,
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4,
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CWT );
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return(NTStatus);
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}
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NTSTATUS
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STCSetBWT(
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PREADER_EXTENSION ReaderExtension,
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ULONG NewBWT)
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/*++
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Description:
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Arguments:
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ReaderExtension context of call
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Return Value:
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STATUS_SUCCESS
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|
error values from IFRead / IFWrite
|
|
|
|
--*/
|
|
{
|
|
NTSTATUS NTStatus = STATUS_SUCCESS;
|
|
UCHAR BWT[4];
|
|
|
|
SmartcardDebug(
|
|
DEBUG_TRACE,
|
|
("%s!STCSetBWT %d\n",
|
|
DRIVER_NAME,
|
|
NewBWT));
|
|
|
|
// little indians...
|
|
BWT[0] = (( PUCHAR )&NewBWT )[3];
|
|
BWT[1] = (( PUCHAR )&NewBWT )[2];
|
|
BWT[2] = (( PUCHAR )&NewBWT )[1];
|
|
BWT[3] = (( PUCHAR )&NewBWT )[0];
|
|
|
|
NTStatus = IFWriteSTCRegister(
|
|
ReaderExtension,
|
|
ADR_BWT31,
|
|
4,
|
|
BWT );
|
|
|
|
return(NTStatus);
|
|
}
|
|
|
|
|
|
NTSTATUS
|
|
STCSetFDIV(
|
|
PREADER_EXTENSION ReaderExtension,
|
|
ULONG Factor)
|
|
/*++
|
|
Description:
|
|
|
|
Arguments:
|
|
ReaderExtension context of call
|
|
|
|
Return Value:
|
|
STATUS_SUCCESS
|
|
error values from IFRead / IFWrite
|
|
|
|
--*/
|
|
{
|
|
NTSTATUS NTStatus = STATUS_SUCCESS;
|
|
UCHAR DIV = 0;
|
|
|
|
NTStatus = IFReadSTCRegister(
|
|
ReaderExtension,
|
|
ADR_ETULENGTH15,
|
|
1,
|
|
&DIV );
|
|
|
|
if( NTStatus == STATUS_SUCCESS )
|
|
{
|
|
switch( Factor )
|
|
{
|
|
case 1:
|
|
DIV &= ~M_DIV0;
|
|
DIV &= ~M_DIV1;
|
|
break;
|
|
|
|
case 2:
|
|
DIV |= M_DIV0;
|
|
DIV &= ~M_DIV1;
|
|
break;
|
|
|
|
case 4 :
|
|
DIV &= ~M_DIV0;
|
|
DIV |= M_DIV1;
|
|
break;
|
|
|
|
case 8 :
|
|
DIV |= M_DIV0;
|
|
DIV |= M_DIV1;
|
|
break;
|
|
|
|
default :
|
|
NTStatus = STATUS_DATA_ERROR;
|
|
}
|
|
if( NTStatus == STATUS_SUCCESS )
|
|
{
|
|
NTStatus = IFWriteSTCRegister(
|
|
ReaderExtension,
|
|
ADR_ETULENGTH15,
|
|
1,
|
|
&DIV );
|
|
}
|
|
}
|
|
return(NTStatus);
|
|
}
|
|
|
|
NTSTATUS
|
|
STCInitUART(
|
|
PREADER_EXTENSION ReaderExtension,
|
|
BOOLEAN AutoLearn)
|
|
/*++
|
|
Description:
|
|
|
|
Arguments:
|
|
ReaderExtension context of call
|
|
|
|
Return Value:
|
|
STATUS_SUCCESS
|
|
error values from IFRead / IFWrite
|
|
|
|
--*/
|
|
{
|
|
NTSTATUS NTStatus = STATUS_SUCCESS;
|
|
UCHAR Value;
|
|
|
|
Value = AutoLearn ? 0x6F : 0x66;
|
|
|
|
NTStatus = IFWriteSTCRegister(
|
|
ReaderExtension,
|
|
ADR_UART_CONTROL,
|
|
1,
|
|
&Value );
|
|
|
|
return( NTStatus );
|
|
}
|
|
|
|
//---------------------------------------- END OF FILE ----------------------------------------
|