mirror of
https://github.com/reactos/reactos.git
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459 lines
14 KiB
C
459 lines
14 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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#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 char* usage_strings[] = {
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"Device Status: MODE [device] [/STATUS]",
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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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"Redirect printing: MODE LPTn[:]=COMm[:]",
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"Serial port: MODE COMm[:] [BAUD=b] [PARITY=p] [DATA=d] [STOP=s]\n" \
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" [to=on|off] [xon=on|off] [odsr=on|off]\n" \
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" [octs=on|off] [dtr=on|off|hs]\n" \
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" [rts=on|off|hs|tg] [idsr=on|off]",
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};
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const char* 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 char* control_strings[] = { "OFF", "ON", "HANDSHAKE", "TOGGLE" };
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const char* 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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printf("\nConfigures system devices.\n\n");
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for (i = 0; i < NUM_ELEMENTS(usage_strings); i++) {
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printf("%s\n", usage_strings[i]);
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}
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printf("\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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char buffer[5000];
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int len;
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char* 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 = strlen(ptr);
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if (strstr(ptr, "COM")) {
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printf(" Found serial device - %s\n", ptr);
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} else if (strstr(ptr, "PRN")) {
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printf(" Found printer device - %s\n", ptr);
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} else if (strstr(ptr, "LPT")) {
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printf(" Found parallel device - %s\n", ptr);
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} else {
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printf(" 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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printf(" ERROR: QueryDosDevice(...) failed.\n");
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}
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return 1;
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}
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int ShowParrallelStatus(int nPortNum)
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{
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char buffer[250];
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char szPortName[MAX_PORTNAME_LEN];
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sprintf(szPortName, "LPT%d", nPortNum);
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printf("\nStatus for device LPT%d:\n", nPortNum);
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printf("-----------------------\n");
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if (QueryDosDevice(szPortName, buffer, NUM_ELEMENTS(buffer))) {
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char* ptr = strrchr(buffer, '\\');
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if (ptr != NULL) {
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if (0 == strcmp(szPortName, ++ptr)) {
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printf(" Printer output is not being rerouted.\n");
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} else {
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printf(" 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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printf(" QueryDosDevice(%s) returned unrecogised form %s.\n", szPortName, buffer);
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}
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} else {
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printf(" 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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printf("\nStatus for device CON:\n");
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printf("-----------------------\n");
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if (GetConsoleScreenBufferInfo(hConsoleOutput, &ConsoleScreenBufferInfo)) {
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printf(" Lines: %d\n", ConsoleScreenBufferInfo.dwSize.Y);
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printf(" 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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printf(" Keyboard delay: %d\n", dwKbdDelay);
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}
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if (SystemParametersInfo(SPI_GETKEYBOARDSPEED, 0, &dwKbdSpeed, 0)) {
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printf(" Keyboard rate: %d\n", dwKbdSpeed);
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}
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printf(" 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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char szPortName[MAX_PORTNAME_LEN];
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ASSERT(pDCB);
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ASSERT(pCommTimeouts);
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sprintf(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 == (HANDLE)-1) {
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printf("Illegal device name - %s\n", szPortName);
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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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printf("Failed to %s the status for device COM%d:\n", bWrite ? "set" : "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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printf("Failed to %s Timeout status for device COM%d:\n", bWrite ? "set" : "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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HANDLE hPort;
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DCB dcb;
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COMMTIMEOUTS CommTimeouts;
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char szPortName[MAX_PORTNAME_LEN];
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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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printf("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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printf("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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printf("\nStatus for device COM%d:\n", nPortNum);
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printf("-----------------------\n");
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printf(" Baud: %d\n", dcb.BaudRate);
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printf(" Parity: %s\n", parity_strings[dcb.Parity]);
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printf(" Data Bits: %d\n", dcb.ByteSize);
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printf(" Stop Bits: %s\n", stopbit_strings[dcb.StopBits]);
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printf(" Timeout: %s\n", CommTimeouts.ReadIntervalTimeout ? "ON" : "OFF");
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printf(" XON/XOFF: %s\n", dcb.fOutX ? "ON" : "OFF");
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printf(" CTS handshaking: %s\n", dcb.fOutxCtsFlow ? "ON" : "OFF");
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printf(" DSR handshaking: %s\n", dcb.fOutxDsrFlow ? "ON" : "OFF");
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printf(" DSR sensitivity: %s\n", dcb.fDsrSensitivity ? "ON" : "OFF");
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printf(" DTR circuit: %s\n", control_strings[dcb.fDtrControl]);
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printf(" RTS circuit: %s\n", control_strings[dcb.fRtsControl]);
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return 0;
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}
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int SetParrallelState(int nPortNum)
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{
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char szPortName[MAX_PORTNAME_LEN];
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char szTargetPath[MAX_PORTNAME_LEN];
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sprintf(szPortName, _T("LPT%d"), nPortNum);
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sprintf(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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printf("SetParrallelState(%d) - DefineDosDevice(%s) failed: %x\n", nPortNum, 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 char* param)
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{
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if ( strstr(param, "OFF")) {
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return 0;
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} else if (strstr(param, "ON")) {
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return 1;
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} else if (strstr(param, "HS")) {
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return 2;
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} else if (strstr(param, "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, char *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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char 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 (strlen(argv[arg]) > MAX_COMPARAM_LEN) {
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printf("Invalid parameter (too long) - %s\n", argv[arg]);
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return 1;
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}
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strcpy(buf, argv[arg]);
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strupr(buf);
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if (strstr(buf, "BAUD=")) {
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dcb.BaudRate = atol(buf+5);
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} else if (strstr(buf, "PARITY=")) {
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if (strchr(buf, 'D')) {
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dcb.Parity = 1;
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} else if (strchr(buf, 'V')) {
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dcb.Parity = 2;
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} else if (strchr(buf, 'M')) {
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dcb.Parity = 3;
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} else if (strchr(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 (strstr(buf, "DATA=")) {
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dcb.ByteSize = atol(buf+5);
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} else if (strstr(buf, "STOP=")) {
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if (strchr(buf, '5')) {
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dcb.StopBits = 1;
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} else if (strchr(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 (strstr(buf, "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 (strstr(buf, "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 (strstr(buf, "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 (strstr(buf, "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 (strstr(buf, "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 (strstr(buf, "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 (strstr(buf, "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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printf("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 char* cmdverb)
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{
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int portnum = -1;
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if ((char)*(cmdverb + 3) >= '0' && (char)*(cmdverb + 3) <= '9') {
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portnum = ((char)*(cmdverb + 3)) - '0';
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if ((char)*(cmdverb + 4) >= '0' && (char)*(cmdverb + 4) <= '9') {
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portnum *= 10;
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portnum += ((char)*(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, char *argv[])
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{
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int nPortNum;
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char param1[MAX_COMPARAM_LEN+1];
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char param2[MAX_COMPARAM_LEN+1];
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if (argc > 1) {
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if (strlen(argv[1]) > MAX_COMPARAM_LEN) {
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printf("Invalid parameter (too long) - %s\n", argv[1]);
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return 1;
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}
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strcpy(param1, argv[1]);
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strupr(param1);
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if (argc > 2) {
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if (strlen(argv[2]) > MAX_COMPARAM_LEN) {
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printf("Invalid parameter (too long) - %s\n", argv[2]);
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return 1;
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}
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strcpy(param2, argv[2]);
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strupr(param2);
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} else {
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param2[0] = '\0';
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}
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if (strstr(param1, "/?") || strstr(param1, "-?")) {
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return Usage();
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} else if (strstr(param1, "/STA")) {
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goto show_status;
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} else if (strstr(param1, "LPT")) {
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nPortNum = find_portnum(param1);
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if (nPortNum != -1)
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return ShowParrallelStatus(nPortNum);
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} else if (strstr(param1, "CON")) {
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return ShowConsoleStatus();
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} else if (strstr(param1, "COM")) {
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nPortNum = find_portnum(param1);
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if (nPortNum != -1) {
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if (param2[0] == '\0' || strstr(param2, "/STA")) {
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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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printf("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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ShowParrallelStatus(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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