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console.cpp revision 1.1 
      1 /*	$NetBSD: console.cpp,v 1.1 2001/02/09 18:34:35 uch Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <hpcmenu.h>
     40 #include <console.h>
     41 
     42 Console *Console::_instance = 0;
     43 
     44 Console *
     45 Console::Instance()
     46 {
     47 	if (_instance == 0)
     48 		_instance = new Console;
     49 	return _instance;
     50 }
     51 
     52 void
     53 Console::Destroy()
     54 {
     55 	if (_instance)
     56 		delete _instance;
     57 	_instance = 0;
     58 }
     59 
     60 void
     61 Console::print(const TCHAR *fmt, ...)
     62 {
     63 	TCHAR tmp[CONSOLE_BUFSIZE];
     64 
     65 	va_list ap;
     66 	va_start(ap, fmt);
     67 	wvsprintf(tmp, fmt, ap);
     68 	va_end(ap);
     69 	HpcMenuInterface::Instance().print(tmp);
     70 }
     71 
     72 BOOL
     73 SerialConsole::setupBuffer()
     74 {
     75 	size_t len = WideCharToMultiByte(CP_ACP, 0, _bufw, wcslen(_bufw),
     76 					 0, 0, 0, 0);
     77 	if (len + 1 > CONSOLE_BUFSIZE)
     78 		return FALSE;
     79 	if (!WideCharToMultiByte(CP_ACP, 0, _bufw, len, _bufm, len, 0, 0))
     80 		return FALSE;
     81 	_bufm[len] = '\0';
     82 
     83 	return TRUE;
     84 }
     85 
     86 BOOL
     87 SerialConsole::openCOM1(void)
     88 {
     89 	if (_handle == INVALID_HANDLE_VALUE) {
     90 		_handle = CreateFile(TEXT("COM1:"),
     91 				     GENERIC_READ | GENERIC_WRITE,
     92 				     0, NULL, OPEN_EXISTING, 0, NULL);
     93 		if (_handle == INVALID_HANDLE_VALUE) {
     94 			Console::print(TEXT("couldn't open COM1\n"));
     95 			return FALSE;
     96 		}
     97 
     98 		DCB dcb;
     99 		if (!GetCommState(_handle, &dcb)) {
    100 			Console::print(TEXT("couldn't get COM port status.\n"));
    101 			goto bad;
    102 		}
    103 
    104 		dcb.BaudRate = CBR_19200;
    105 		if (!SetCommState(_handle, &dcb)) {
    106 			Console::print(TEXT("couldn't set baud rate to 19200.\n"));
    107 			goto bad;
    108 		}
    109 
    110 		Console::print(TEXT("BaudRate %d, ByteSize %#x, Parity %#x, StopBits %#x\n"),
    111 			       dcb.BaudRate, dcb.ByteSize, dcb.Parity,
    112 			       dcb.StopBits);
    113 		const char msg[] = "--------HPCBOOT--------\r\n";
    114 		unsigned long wrote;
    115 		WriteFile(_handle, msg, sizeof msg, &wrote, 0);
    116 	}
    117 
    118 	return TRUE;
    119  bad:
    120 	CloseHandle(_handle);
    121 	_handle = INVALID_HANDLE_VALUE;
    122 	return FALSE;
    123 }
    124