175 lines
3.9 KiB
C
175 lines
3.9 KiB
C
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) SCM Microsystems, 1998 - 1999
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//
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// File: serialnt.h
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//
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//--------------------------------------------------------------------------
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#if !defined( __SERIAL_NT_H__ )
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#define __SERIAL_NT_H__
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#include "DriverNT.h"
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#include <ntddser.h>
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#include "SerialIF.h"
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#define STC_BUFFER_SIZE 32
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#define TPDU_STACK_SIZE 2048
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typedef struct _SERIAL_PORT_CONFIG
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{
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SERIAL_HANDFLOW HandFlow; // flow control
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SERIAL_CHARS SerialChars; // special characters
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SERIAL_TIMEOUTS Timeouts; // read/write timeouts
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SERIAL_BAUD_RATE BaudRate; // Baudrate for reader
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SERIAL_LINE_CONTROL LineControl; // Stop bits, parity configuration
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ULONG WaitMask, // notification events
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Purge;
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} SERIAL_PORT_CONFIG, *PSERIAL_PORT_CONFIG;
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typedef struct _READER_EXTENSION
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{
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//
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// serial port driver data
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//
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ULONG SerialPortNumber;
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PDEVICE_OBJECT SerialDeviceObject;
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PFILE_OBJECT SerialFileObject;
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PIO_WORKITEM CloseSerial; // worker thread that closes the serial driver
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// back pointer to smart card extension
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PSMARTCARD_EXTENSION SmartcardExtension;
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// read thread data
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UCHAR IOData[ 2 * STC_BUFFER_SIZE ];
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UCHAR TPDUStack[ TPDU_STACK_SIZE ];
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ULONG Available;
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ULONG Expected;
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ULONG EventMask;
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ULONG ReadTimeout; // read timeout in ms
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IO_STATUS_BLOCK IoStatus;
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KEVENT IoEvent;
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KEVENT DataAvailable;
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PIO_WORKITEM ReadWorkItem;
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KSPIN_LOCK ReadSpinLock;
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// miscellaneous
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ULONG ReaderPowerState;
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BOOLEAN PowerRequest;
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UCHAR FirmwareMajor,
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FirmwareMinor;
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BOOLEAN CardPresent;
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KEVENT SerialCloseDone; // signaled if the connection to the serial driver has been closed
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} READER_EXTENSION, *PREADER_EXTENSION;
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typedef enum _READER_POWER_STATE
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{
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PowerReaderUnspecified = 0,
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PowerReaderWorking,
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PowerReaderOff
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} READER_POWER_STATE, *PREADER_POWER_STATE;
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//
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// CONSTANTS
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//
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#define SR_VENDOR_NAME "STCS"
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#define SR_PRODUCT_NAME "Serial Reader"
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//
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// serial communication defines
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//
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#define SR_BAUD_RATE 115200
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#define SR_STOP_BITS STOP_BIT_1
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#define SR_PARITY NO_PARITY
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#define SR_DATA_LENGTH SERIAL_DATABITS_8
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//
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// COM timeout values in ms
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//
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#define SR_READ_TOTAL_TIMEOUT_CONSTANT 2000
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#define SR_READ_INTERVAL_TIMEOUT 2000
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#define SR_WRITE_TOTAL_TIMEOUT_CONSTANT 2000
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#define SR_WRITE_TOTAL_TIMEOUT_MULTIPLIER 0
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#define SR_FLOW_REPLACE 0
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#define SR_HAND_SHAKE 0
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#define SR_XON_LIMIT 0
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#define SR_XOFF_LIMIT 0
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#define SR_ON_CHAR 0x11
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#define SR_OFF_CHAR 0x13
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#define SR_NOTIFICATION_EVENT ( SERIAL_EV_RXCHAR | SERIAL_EV_DSR )
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#define SR_PURGE ( SERIAL_PURGE_RXCLEAR | SERIAL_PURGE_TXCLEAR )
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//
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// not clear, how these ctl codes are interpreted; the actual command is passed by the IrpStack.MajorFunction
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//
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#define SERIAL_READ SCARD_CTL_CODE( 0x1000 )
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#define SERIAL_WRITE SCARD_CTL_CODE( 0x2000 )
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//
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// READ THREAD
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//
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#define RT_FINISH 0x00
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#define RT_READ_HEAD 0x01
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#define RT_READ_TAIL 0x02
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#define RT_READ_MORE 0x03
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#define RT_GET_MODEM_STATUS 0x04
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#define RT_WAIT_EMPTY 0x05
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#define RT_WAIT_DATA 0x06
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NTSTATUS
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IFReadThreadCallback(
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PDEVICE_OBJECT DeviceObject,
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PIRP Irp,
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PREADER_EXTENSION ReaderExtension
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);
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//
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// LOCAL PROTOTYPES
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//
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NTSTATUS
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IFSerialIoctl(
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PREADER_EXTENSION ReaderExtension,
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ULONG IoctlCode,
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PVOID OutData,
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ULONG OutDataLen,
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PVOID InData,
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ULONG InDataLen
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);
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NTSTATUS
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IFSerialRead(
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PREADER_EXTENSION ReaderExtension,
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PUCHAR InData,
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ULONG InDataLen
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);
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NTSTATUS
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IFSerialWaitOnMask(
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PREADER_EXTENSION ReaderExtension
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);
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VOID
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IFReadWorkRoutine(
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IN PDEVICE_OBJECT DeviceObject,
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IN PREADER_EXTENSION ReaderExtension
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);
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#endif // !__SERIAL_NT_H__
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//---------------------------------------- END OF FILE ----------------------------------------
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