mirror of
https://github.com/reactos/reactos.git
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459 lines
15 KiB
C
459 lines
15 KiB
C
/*
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* ReactOS mode console command
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*
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* mode.c
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*
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* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <windows.h>
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#include <string.h>
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#include <stdio.h>
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#include <tchar.h>
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#define MAX_PORTNAME_LEN 20
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#define MAX_COMPORT_NUM 10
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#define MAX_COMPARAM_LEN 20
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#define NUM_ELEMENTS(a) (sizeof(a)/sizeof(a[0]))
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#define ASSERT(a)
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const TCHAR* const usage_strings[] = {
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_T("Device Status: MODE [device] [/STATUS]"),
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_T("Select code page: MODE CON[:] CP SELECT=yyy"),
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_T("Code page status: MODE CON[:] CP [/STATUS]"),
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_T("Display mode: MODE CON[:] [COLS=c] [LINES=n]"),
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_T("Typematic rate: MODE CON[:] [RATE=r DELAY=d]"),
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_T("Redirect printing: MODE LPTn[:]=COMm[:]"),
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_T("Serial port: MODE COMm[:] [BAUD=b] [PARITY=p] [DATA=d] [STOP=s]\n") \
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_T(" [to=on|off] [xon=on|off] [odsr=on|off]\n") \
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_T(" [octs=on|off] [dtr=on|off|hs]\n") \
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_T(" [rts=on|off|hs|tg] [idsr=on|off]"),
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};
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const TCHAR* const parity_strings[] = {
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_T("None"), // default
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_T("Odd"), // only symbol in this set to have a 'd' in it
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_T("Even"), // ... 'v' in it
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_T("Mark"), // ... 'm' in it
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_T("Space") // ... 's' and/or a 'c' in it
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};
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const TCHAR* const control_strings[] = { _T("OFF"), _T("ON"), _T("HANDSHAKE"), _T("TOGGLE") };
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const TCHAR* const stopbit_strings[] = { _T("1"), _T("1.5"), _T("2") };
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int Usage()
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{
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int i;
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_tprintf(_T("\nConfigures system devices.\n\n"));
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for (i = 0; i < NUM_ELEMENTS(usage_strings); i++) {
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_tprintf(_T("%s\n"), usage_strings[i]);
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}
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_tprintf(_T("\n"));
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return 0;
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}
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int QueryDevices()
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{
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TCHAR buffer[10240];
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int len;
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TCHAR* ptr = buffer;
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*ptr = '\0';
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if (QueryDosDevice(NULL, buffer, NUM_ELEMENTS(buffer))) {
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while (*ptr != '\0') {
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len = _tcslen(ptr);
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if (_tcsstr(ptr, _T("COM"))) {
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_tprintf(_T(" Found serial device - %s\n"), ptr);
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} else if (_tcsstr(ptr, _T("PRN"))) {
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_tprintf(_T(" Found printer device - %s\n"), ptr);
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} else if (_tcsstr(ptr, _T("LPT"))) {
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_tprintf(_T(" Found parallel device - %s\n"), ptr);
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} else {
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_tprintf(_T(" Found other device - %s\n"), ptr);
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}
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ptr += (len+1);
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}
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} else {
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_tprintf(_T(" ERROR: QueryDosDevice(...) failed.\n"));
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}
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return 1;
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}
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int ShowParallelStatus(int nPortNum)
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{
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TCHAR buffer[250];
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TCHAR szPortName[MAX_PORTNAME_LEN];
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_stprintf(szPortName, _T("LPT%d"), nPortNum);
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_tprintf(_T("\nStatus for device LPT%d:\n"), nPortNum);
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_tprintf(_T("-----------------------\n"));
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if (QueryDosDevice(szPortName, buffer, NUM_ELEMENTS(buffer))) {
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TCHAR* ptr = _tcsrchr(buffer, '\\');
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if (ptr != NULL) {
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if (0 == _tcscmp(szPortName, ++ptr)) {
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_tprintf(_T(" Printer output is not being rerouted.\n"));
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} else {
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_tprintf(_T(" Printer output is being rerouted to serial port %s\n"), ptr);
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}
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return 0;
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} else {
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_tprintf(_T(" QueryDosDevice(%s) returned unrecogised form %s.\n"), szPortName, buffer);
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}
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} else {
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_tprintf(_T(" ERROR: QueryDosDevice(%s) failed.\n"), szPortName);
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}
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return 1;
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}
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int ShowConsoleStatus()
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{
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DWORD dwKbdDelay;
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DWORD dwKbdSpeed;
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CONSOLE_SCREEN_BUFFER_INFO ConsoleScreenBufferInfo;
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HANDLE hConsoleOutput = GetStdHandle(STD_OUTPUT_HANDLE);
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_tprintf(_T("\nStatus for device CON:\n"));
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_tprintf(_T("-----------------------\n"));
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if (GetConsoleScreenBufferInfo(hConsoleOutput, &ConsoleScreenBufferInfo)) {
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_tprintf(_T(" Lines: %d\n"), ConsoleScreenBufferInfo.dwSize.Y);
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_tprintf(_T(" Columns: %d\n"), ConsoleScreenBufferInfo.dwSize.X);
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}
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if (SystemParametersInfo(SPI_GETKEYBOARDDELAY, 0, &dwKbdDelay, 0)) {
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_tprintf(_T(" Keyboard delay: %ld\n"), dwKbdDelay);
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}
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if (SystemParametersInfo(SPI_GETKEYBOARDSPEED, 0, &dwKbdSpeed, 0)) {
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_tprintf(_T(" Keyboard rate: %ld\n"), dwKbdSpeed);
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}
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_tprintf(_T(" Code page: %d\n"), GetConsoleOutputCP());
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return 0;
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}
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static
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BOOL SerialPortQuery(int nPortNum, LPDCB pDCB, LPCOMMTIMEOUTS pCommTimeouts, BOOL bWrite)
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{
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BOOL result;
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HANDLE hPort;
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TCHAR szPortName[MAX_PORTNAME_LEN];
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ASSERT(pDCB);
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ASSERT(pCommTimeouts);
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_stprintf(szPortName, _T("COM%d"), nPortNum);
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hPort = CreateFile(szPortName,
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GENERIC_READ|GENERIC_WRITE,
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0, // exclusive
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NULL, // sec attr
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OPEN_EXISTING,
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0, // no attributes
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NULL); // no template
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if (hPort == INVALID_HANDLE_VALUE) {
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_tprintf(_T("Illegal device name - %s\n"), szPortName);
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_tprintf(_T("Last error = 0x%lx\n"), GetLastError());
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return FALSE;
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}
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if (bWrite) {
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result = SetCommState(hPort, pDCB);
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} else {
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result = GetCommState(hPort, pDCB);
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}
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if (!result) {
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_tprintf(_T("Failed to %s the status for device COM%d:\n"), bWrite ? _T("set") : _T("get"), nPortNum);
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CloseHandle(hPort);
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return FALSE;
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}
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if (bWrite) {
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result = SetCommTimeouts(hPort, pCommTimeouts);
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} else {
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result = GetCommTimeouts(hPort, pCommTimeouts);
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}
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if (!result) {
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_tprintf(_T("Failed to %s Timeout status for device COM%d:\n"), bWrite ? _T("set") : _T("get"), nPortNum);
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CloseHandle(hPort);
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return FALSE;
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}
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CloseHandle(hPort);
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return TRUE;
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}
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int ShowSerialStatus(int nPortNum)
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{
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DCB dcb;
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COMMTIMEOUTS CommTimeouts;
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if (!SerialPortQuery(nPortNum, &dcb, &CommTimeouts, FALSE)) {
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return 1;
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}
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if (dcb.Parity > NUM_ELEMENTS(parity_strings)) {
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_tprintf(_T("ERROR: Invalid value for Parity Bits %d:\n"), dcb.Parity);
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dcb.Parity = 0;
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}
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if (dcb.StopBits > NUM_ELEMENTS(stopbit_strings)) {
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_tprintf(_T("ERROR: Invalid value for Stop Bits %d:\n"), dcb.StopBits);
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dcb.StopBits = 0;
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}
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_tprintf(_T("\nStatus for device COM%d:\n"), nPortNum);
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_tprintf(_T("-----------------------\n"));
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_tprintf(_T(" Baud: %ld\n"), dcb.BaudRate);
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_tprintf(_T(" Parity: %s\n"), parity_strings[dcb.Parity]);
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_tprintf(_T(" Data Bits: %d\n"), dcb.ByteSize);
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_tprintf(_T(" Stop Bits: %s\n"), stopbit_strings[dcb.StopBits]);
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_tprintf(_T(" Timeout: %s\n"), CommTimeouts.ReadIntervalTimeout ? _T("ON") : _T("OFF"));
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_tprintf(_T(" XON/XOFF: %s\n"), dcb.fOutX ? _T("ON") : _T("OFF"));
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_tprintf(_T(" CTS handshaking: %s\n"), dcb.fOutxCtsFlow ? _T("ON") : _T("OFF"));
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_tprintf(_T(" DSR handshaking: %s\n"), dcb.fOutxDsrFlow ? _T("ON") : _T("OFF"));
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_tprintf(_T(" DSR sensitivity: %s\n"), dcb.fDsrSensitivity ? _T("ON") : _T("OFF"));
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_tprintf(_T(" DTR circuit: %s\n"), control_strings[dcb.fDtrControl]);
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_tprintf(_T(" RTS circuit: %s\n"), control_strings[dcb.fRtsControl]);
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return 0;
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}
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int SetParallelState(int nPortNum)
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{
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TCHAR szPortName[MAX_PORTNAME_LEN];
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TCHAR szTargetPath[MAX_PORTNAME_LEN];
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_stprintf(szPortName, _T("LPT%d"), nPortNum);
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_stprintf(szTargetPath, _T("COM%d"), nPortNum);
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if (!DefineDosDevice(DDD_REMOVE_DEFINITION, szPortName, szTargetPath)) {
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DWORD error = GetLastError();
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_tprintf(_T("SetParallelState(%d) - DefineDosDevice(%s) failed: 0x%lx\n"), nPortNum, szPortName, error);
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}
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return 0;
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}
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/*
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\??\COM1
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\Device\NamedPipe\Spooler\LPT1
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BOOL DefineDosDevice(
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DWORD dwFlags, // options
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LPCTSTR lpDeviceName, // device name
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LPCTSTR lpTargetPath // path string
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);
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DWORD QueryDosDevice(
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LPCTSTR lpDeviceName, // MS-DOS device name string
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LPTSTR lpTargetPath, // query results buffer
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DWORD ucchMax // maximum size of buffer
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);
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*/
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int SetConsoleState()
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{
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/*
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"Select code page: MODE CON[:] CP SELECT=yyy",
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"Code page status: MODE CON[:] CP [/STATUS]",
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"Display mode: MODE CON[:] [COLS=c] [LINES=n]",
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"Typematic rate: MODE CON[:] [RATE=r DELAY=d]",
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*/
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return 0;
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}
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static
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int ExtractModeSerialParams(const TCHAR* param)
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{
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if ( _tcsstr(param, _T("OFF"))) {
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return 0;
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} else if (_tcsstr(param, _T("ON"))) {
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return 1;
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} else if (_tcsstr(param, _T("HS"))) {
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return 2;
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} else if (_tcsstr(param, _T("TG"))) {
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return 3;
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}
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return -1;
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}
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int SetSerialState(int nPortNum, int args, TCHAR *argv[])
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{
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int arg;
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int value;
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DCB dcb;
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COMMTIMEOUTS CommTimeouts;
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TCHAR buf[MAX_COMPARAM_LEN+1];
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if (SerialPortQuery(nPortNum, &dcb, &CommTimeouts, FALSE)) {
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for (arg = 2; arg < args; arg++) {
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if (_tcslen(argv[arg]) > MAX_COMPARAM_LEN) {
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_tprintf(_T("Invalid parameter (too long) - %s\n"), argv[arg]);
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return 1;
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}
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_tcscpy(buf, argv[arg]);
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_tcslwr(buf);
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if (_tcsstr(buf, _T("baud="))) {
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_tscanf(buf+5, "%lu", &dcb.BaudRate);
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} else if (_tcsstr(buf, _T("parity="))) {
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if (_tcschr(buf, 'D')) {
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dcb.Parity = 1;
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} else if (_tcschr(buf, 'V')) {
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dcb.Parity = 2;
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} else if (_tcschr(buf, 'M')) {
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dcb.Parity = 3;
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} else if (_tcschr(buf, 'S')) {
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dcb.Parity = 4;
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} else {
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dcb.Parity = 0;
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}
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} else if (_tcsstr(buf, _T("data="))) {
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_tscanf(buf+5, "%lu", &dcb.ByteSize);
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} else if (_tcsstr(buf, _T("stop="))) {
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if (_tcschr(buf, '5')) {
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dcb.StopBits = 1;
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} else if (_tcschr(buf, '2')) {
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dcb.StopBits = 2;
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} else {
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dcb.StopBits = 0;
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}
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} else if (_tcsstr(buf, _T("to="))) { // to=on|off
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value = ExtractModeSerialParams(buf);
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if (value != -1) {
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} else {
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goto invalid_serial_parameter;
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}
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} else if (_tcsstr(buf, _T("xon="))) { // xon=on|off
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value = ExtractModeSerialParams(buf);
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if (value != -1) {
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dcb.fOutX = value;
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dcb.fInX = value;
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} else {
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goto invalid_serial_parameter;
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}
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} else if (_tcsstr(buf, _T("odsr="))) { // odsr=on|off
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value = ExtractModeSerialParams(buf);
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if (value != -1) {
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dcb.fOutxDsrFlow = value;
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} else {
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goto invalid_serial_parameter;
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}
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} else if (_tcsstr(buf, _T("octs="))) { // octs=on|off
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value = ExtractModeSerialParams(buf);
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if (value != -1) {
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dcb.fOutxCtsFlow = value;
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} else {
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goto invalid_serial_parameter;
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}
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} else if (_tcsstr(buf, _T("dtr="))) { // dtr=on|off|hs
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value = ExtractModeSerialParams(buf);
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if (value != -1) {
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dcb.fDtrControl = value;
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} else {
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goto invalid_serial_parameter;
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}
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} else if (_tcsstr(buf, _T("rts="))) { // rts=on|off|hs|tg
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value = ExtractModeSerialParams(buf);
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if (value != -1) {
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dcb.fRtsControl = value;
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} else {
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goto invalid_serial_parameter;
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}
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} else if (_tcsstr(buf, _T("idsr="))) { // idsr=on|off
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value = ExtractModeSerialParams(buf);
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if (value != -1) {
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dcb.fDsrSensitivity = value;
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} else {
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goto invalid_serial_parameter;
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}
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} else {
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invalid_serial_parameter:;
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_tprintf(_T("Invalid parameter - %s\n"), buf);
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return 1;
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}
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}
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SerialPortQuery(nPortNum, &dcb, &CommTimeouts, TRUE);
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}
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return 0;
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}
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int find_portnum(const TCHAR* cmdverb)
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{
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int portnum = -1;
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if (cmdverb[3] >= '0' && cmdverb[3] <= '9') {
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portnum = cmdverb[3] - '0';
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if (cmdverb[4] >= '0' && cmdverb[4] <= '9') {
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portnum *= 10;
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portnum += cmdverb[4] - '0';
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}
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}
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return portnum;
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}
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int main(int argc, TCHAR *argv[])
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{
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int nPortNum;
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TCHAR param1[MAX_COMPARAM_LEN+1];
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TCHAR param2[MAX_COMPARAM_LEN+1];
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if (argc > 1) {
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if (_tcslen(argv[1]) > MAX_COMPARAM_LEN) {
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_tprintf(_T("Invalid parameter (too long) - %s\n"), argv[1]);
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return 1;
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}
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_tcscpy(param1, argv[1]);
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_tcslwr(param1);
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if (argc > 2) {
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if (_tcslen(argv[2]) > MAX_COMPARAM_LEN) {
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_tprintf(_T("Invalid parameter (too long) - %s\n"), argv[2]);
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return 1;
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}
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_tcscpy(param2, argv[2]);
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_tcslwr(param2);
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} else {
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param2[0] = '\0';
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}
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if (_tcsstr(param1, _T("/?")) || _tcsstr(param1, _T("-?"))) {
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return Usage();
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} else if (_tcsstr(param1, _T("/status"))) {
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goto show_status;
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} else if (_tcsstr(param1, _T("lpt"))) {
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nPortNum = find_portnum(param1);
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if (nPortNum != -1)
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return ShowParallelStatus(nPortNum);
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} else if (_tcsstr(param1, _T("con"))) {
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return ShowConsoleStatus();
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} else if (_tcsstr(param1, _T("com"))) {
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nPortNum = find_portnum(param1);
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if (nPortNum != -1) {
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if (param2[0] == '\0' || _tcsstr(param2, _T("/status"))) {
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return ShowSerialStatus(nPortNum);
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} else {
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return SetSerialState(nPortNum, argc, argv);
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}
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}
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}
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_tprintf(_T("Invalid parameter - %s\n"), param1);
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return 1;
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} else {
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show_status:;
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QueryDevices();
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/*
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ShowParallelStatus(1);
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for (nPortNum = 0; nPortNum < MAX_COMPORT_NUM; nPortNum++) {
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ShowSerialStatus(nPortNum + 1);
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}
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ShowConsoleStatus();
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*/
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}
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return 0;
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}
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