[209] | 1 | //====================================================================== |
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| 2 | // |
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| 3 | // Project: XTIDE Universal BIOS, Serial Port Server |
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| 4 | // |
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| 5 | // File: Win32Serial.cpp - Microsoft Windows serial code |
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| 6 | // |
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| 7 | // Support for the serial port under Win32. |
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| 8 | // |
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| 9 | |
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| 10 | #include <stdio.h> |
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| 11 | |
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| 12 | #include "..\library\library.h" |
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| 13 | #include "Win32Serial.h" |
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| 14 | |
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| 15 | COMMTIMEOUTS timeouts; |
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| 16 | |
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| 17 | DCB dcb; |
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| 18 | |
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| 19 | Win32Serial::~Win32Serial() |
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| 20 | { |
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| 21 | if( pipe ) |
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| 22 | CloseHandle( pipe ); |
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| 23 | |
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| 24 | pipe = NULL; |
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| 25 | } |
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| 26 | |
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| 27 | Win32Serial::Win32Serial( char *name, struct baudRate *baudRate ) : Serial( name, baudRate ) |
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| 28 | { |
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| 29 | char buff1[20], buff2[1024]; |
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| 30 | |
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| 31 | pipe = NULL; |
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| 32 | |
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| 33 | if( !name ) |
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| 34 | { |
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| 35 | for( int t = 1; t <= 30 && !name; t++ ) |
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| 36 | { |
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| 37 | sprintf( buff1, "COM%d", t ); |
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| 38 | if( QueryDosDeviceA( buff1, buff2, sizeof(buff2) ) ) |
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| 39 | name = buff1; |
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| 40 | } |
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| 41 | if( !name ) |
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[211] | 42 | log( -1, "No physical COM ports found" ); |
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[209] | 43 | } |
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| 44 | |
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| 45 | if( !strcmp( name, "PIPE" ) ) |
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| 46 | { |
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[211] | 47 | log( 0, "Opening named pipe %s (simulating %lu baud)", PIPENAME, baudRate->rate ); |
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[209] | 48 | |
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| 49 | pipe = CreateNamedPipeA( PIPENAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE|PIPE_REJECT_REMOTE_CLIENTS, 2, 1024, 1024, 0, NULL ); |
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| 50 | if( !pipe ) |
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[211] | 51 | log( -1, "Could not CreateNamedPipe " PIPENAME ); |
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[209] | 52 | |
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| 53 | if( !ConnectNamedPipe( pipe, NULL ) ) |
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[211] | 54 | log( -1, "Could not ConnectNamedPipe" ); |
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[209] | 55 | |
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[215] | 56 | if( baudRate->divisor > 3 ) |
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| 57 | log( -1, "Cannot simulate baud rates with hardware multipliers" ); |
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| 58 | |
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[209] | 59 | speedEmulation = 1; |
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| 60 | resetConnection = 1; |
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| 61 | } |
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| 62 | else |
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| 63 | { |
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| 64 | if( QueryDosDeviceA( name, buff2, sizeof(buff2) ) ) |
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| 65 | { |
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[211] | 66 | log( 0, "Opening %s (%lu baud)", name, baudRate->rate ); |
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[209] | 67 | |
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| 68 | pipe = CreateFileA( name, GENERIC_READ|GENERIC_WRITE, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0 ); |
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| 69 | if( !pipe ) |
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[211] | 70 | log( -1, "Could not Open \"%s\"", name ); |
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[209] | 71 | |
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| 72 | FillMemory(&dcb, sizeof(dcb), 0); |
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| 73 | dcb.DCBlength = sizeof(dcb); |
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| 74 | dcb.BaudRate = baudRate->rate; |
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| 75 | dcb.ByteSize = 8; |
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| 76 | dcb.StopBits = ONESTOPBIT; |
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| 77 | dcb.Parity = NOPARITY; |
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| 78 | if( !SetCommState( pipe, &dcb ) ) |
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[211] | 79 | log( -1, "Could not SetCommState" ); |
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[209] | 80 | |
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| 81 | if( !SetCommTimeouts( pipe, &timeouts ) ) |
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[211] | 82 | log( -1, "Could not SetCommTimeouts" ); |
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[209] | 83 | } |
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| 84 | else |
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| 85 | { |
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| 86 | char logbuff[ 1024 ]; |
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[211] | 87 | int found = 0; |
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| 88 | |
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| 89 | sprintf( logbuff, "serial port '%s' not found, detected COM ports:", name ); |
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| 90 | |
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| 91 | for( int t = 1; t <= 40; t++ ) |
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[209] | 92 | { |
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| 93 | sprintf( buff1, "COM%d", t ); |
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| 94 | if( QueryDosDeviceA( buff1, buff2, sizeof(buff2) ) ) |
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| 95 | { |
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[211] | 96 | strcat( logbuff, "\n " ); |
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[209] | 97 | strcat( logbuff, buff1 ); |
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[211] | 98 | found = 1; |
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[209] | 99 | } |
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| 100 | } |
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[211] | 101 | if( !found ) |
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| 102 | strcat( logbuff, "\n (none)" ); |
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| 103 | |
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| 104 | log( -1, logbuff ); |
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[209] | 105 | } |
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| 106 | } |
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| 107 | } |
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| 108 | |
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| 109 | unsigned long Win32Serial::readCharacters( void *buff, unsigned long len ) |
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| 110 | { |
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| 111 | unsigned long readLen; |
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| 112 | int ret; |
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| 113 | ret = ReadFile( pipe, buff, len, &readLen, NULL ); |
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| 114 | return( ret ? readLen : 0 ); |
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| 115 | } |
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| 116 | |
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| 117 | unsigned long Win32Serial::writeCharacters( void *buff, unsigned long len ) |
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| 118 | { |
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| 119 | unsigned long writeLen; |
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| 120 | int ret; |
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| 121 | ret = WriteFile( pipe, buff, len, &writeLen, NULL ); |
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| 122 | return( ret ? writeLen : 0 ); |
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| 123 | } |
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| 124 | |
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| 125 | |
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| 126 | |
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| 127 | |
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| 128 | |
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| 129 | |
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| 130 | |
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