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529 lines
16 KiB
C
529 lines
16 KiB
C
/*
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* This DLL contains the user interface for the serial driver.
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* a dialog box to configure the specified COMM port
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* an interface to the control panel (??)
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* functions to load and save default configuration
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*
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* Eventually the 32 bit comm port driver could be moved into here
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* and interfaced to KERNEL32 using the WIN95 or WINNT comm driver interface.
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* This way, different driver DLLS could be written to support other
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* serial interfaces, such as X.25, etc.
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*
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* Basic structure copied from COMCTL32 code.
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*
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* Copyright 2000 Mike McCormack
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*/
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#include <string.h>
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#include <stdio.h>
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#include "winbase.h"
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#include "winreg.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "debugtools.h"
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#include "serialui.h"
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#include "winerror.h"
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DEFAULT_DEBUG_CHANNEL(comm);
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HMODULE SERIALUI_hModule = 0;
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/***********************************************************************
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* SERIALUI_LibMain [Internal] Initializes the internal 'SERIALUI.DLL'.
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*
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* PARAMS
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* hinstDLL [I] handle to the DLL's instance
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* fdwReason [I]
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* lpvReserved [I] reserved, must be NULL
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE
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*/
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BOOL WINAPI
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SERIALUI_LibMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
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{
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TRACE("%x,%lx,%p\n", hinstDLL, fdwReason, lpvReserved);
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switch (fdwReason) {
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case DLL_PROCESS_ATTACH:
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SERIALUI_hModule = hinstDLL;
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break;
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case DLL_PROCESS_DETACH:
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break;
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}
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return TRUE;
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}
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/***********************************************************************
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* SERIALUI_EnumPropPages (SERIALUI.2)
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*
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* Called by the device manager to add prop sheets in Control Panel ???
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* Pointed to in Win98 registry by
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* \System\CurrentControlSet\Services\Class\ports\0000\EnumPropPages =
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* "serialui.dll,EnumPropPages"
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*/
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typedef LPVOID LPDEVICE_INFO;
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typedef LPVOID LPFNADDPROPSHEETPAGE;
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BOOL WINAPI SERIALUI_EnumPropPages(LPDEVICE_INFO pdi, LPFNADDPROPSHEETPAGE pfnAdd, LPARAM lParam )
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{
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FIXME("(%p %p %lx)\n",pdi,pfnAdd,lParam);
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return FALSE;
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}
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/*
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* These data structures are convert from values used in fields of a DCB
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* to strings used in the CommConfigDialog.
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*/
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typedef struct tagPARAM2STRDATA
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{
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DWORD val;
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CONST CHAR *name;
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} PARAM2STRDATA, *LPPARAM2STRDATA;
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typedef struct tagPARAM2STR
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{
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DWORD dwSize;
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LPPARAM2STRDATA data;
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} PARAM2STR, *LPPARAM2STR;
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typedef const LPPARAM2STR LPCPARAM2STR;
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#define SERIALUI_TABLESIZE(x) ((sizeof (x))/(sizeof (x[0])))
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static PARAM2STRDATA SERIALUI_Baud2StrData[]={
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{110, "110"}, {300, "300"}, {600, "600"}, {1200, "1200"},
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{2400, "2400"}, {4800, "4800"}, {9600, "9600"}, {14400, "14400"},
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{19200, "19200"}, {38400L, "38400"}, {56000L, "56000"}, {57600L, "57600"},
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{115200L, "115200"}, {128000L, "128000"}, {256000L, "256000"}
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};
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static PARAM2STR SERIALUI_Baud2Str={ SERIALUI_TABLESIZE(SERIALUI_Baud2StrData),SERIALUI_Baud2StrData };
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static PARAM2STRDATA SERIALUI_Parity2StrData[]={
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{NOPARITY,"None"}, {ODDPARITY,"Odd"}, {EVENPARITY,"Even"}, {MARKPARITY,"Mark"},
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{SPACEPARITY,"Space"}
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};
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static PARAM2STR SERIALUI_Parity2Str={ SERIALUI_TABLESIZE(SERIALUI_Parity2StrData),SERIALUI_Parity2StrData };
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static PARAM2STRDATA SERIALUI_Stop2StrData[]={
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{ONESTOPBIT,"1"}, {ONE5STOPBITS,"1.5"}, {TWOSTOPBITS,"2"}
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};
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static PARAM2STR SERIALUI_Stop2Str={ SERIALUI_TABLESIZE(SERIALUI_Stop2StrData),SERIALUI_Stop2StrData };
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static PARAM2STRDATA SERIALUI_Data2StrData[]={
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{5,"5"}, {6,"6"}, {7,"7"}, {8, "8"}, {16,"16"}
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};
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static PARAM2STR SERIALUI_Data2Str={ SERIALUI_TABLESIZE(SERIALUI_Data2StrData),SERIALUI_Data2StrData };
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static PARAM2STRDATA SERIALUI_Flow2StrData[]={
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{0,"None"}, {1,"Hardware (RTS/CTS)"}, {2,"Software (XON/XOFF)"}
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};
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static PARAM2STR SERIALUI_Flow2Str={ SERIALUI_TABLESIZE(SERIALUI_Flow2StrData),SERIALUI_Flow2StrData };
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/*
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* Add all the fields to a combo box and highlight the current value
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*/
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static void SERIALUI_AddConfItems(HWND hDlg, DWORD id, LPCPARAM2STR table, DWORD dwVal)
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{
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int i,n;
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HWND hControl = GetDlgItem(hDlg,id);
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if(!hControl)
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return;
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for(i=0; i<table->dwSize; i++)
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{
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n = SendMessageA(hControl, CB_ADDSTRING, 0L, (LPARAM)table->data[i].name);
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if(dwVal == table->data[i].val)
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{
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SendMessageA(hControl, CB_SETCURSEL, (WPARAM)n, (LPARAM)0);
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}
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}
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}
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/*
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* Get the current sellection of the given combo box and set a DCB field to
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* the value matching that selection.
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*/
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static BOOL SERIALUI_GetConfItems(HWND hDlg, DWORD id, LPCPARAM2STR table, LPDWORD lpdwVal)
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{
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DWORD i;
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CHAR lpEntry[20];
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HWND hControl = GetDlgItem(hDlg,id);
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if( (!hControl) || (!lpdwVal))
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{
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TRACE("Couldn't get window handle for item %lx\n",id);
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return FALSE;
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}
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if(!GetWindowTextA(hControl, &lpEntry[0], sizeof lpEntry))
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{
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TRACE("Couldn't get window text for item %lx\n",id);
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return FALSE;
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}
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/* TRACE("%ld contains %s\n",id, lpEntry); */
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for(i=0; i<table->dwSize; i++)
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{
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if(!lstrcmpA(table->data[i].name,lpEntry))
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{
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*lpdwVal = table->data[i].val;
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return TRUE;
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}
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}
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return FALSE;
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}
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/*
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* Both the enumerated values CBR_XXXX and integer baud rates are valid
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* dcb.BaudRate. This code is to convert back and forth between CBR_ style
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* and integers. The dialog box uses integer values.
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*/
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static DWORD SERIALUI_BaudConvertTable[] = {
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CBR_110, 110, CBR_300, 300, CBR_600, 600, CBR_1200, 1200,
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CBR_2400, 2400, CBR_4800, 4800, CBR_9600, 9600, CBR_14400, 14400,
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CBR_19200, 19200, CBR_38400, 38400, CBR_56000, 56000, CBR_57600, 57600,
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CBR_115200, 115200, CBR_128000, 128000, CBR_256000, 256000
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};
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static BOOL SERIALUI_MakeBaudDword(LPDWORD lpdwBaudRate)
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{
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int i;
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for(i=0; i<(sizeof(SERIALUI_BaudConvertTable)/sizeof(DWORD)); i+=2)
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{
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if(*lpdwBaudRate == SERIALUI_BaudConvertTable[i])
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{
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*lpdwBaudRate = SERIALUI_BaudConvertTable[i+1];
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return TRUE;
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}
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}
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return FALSE;
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}
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static BOOL SERIALUI_MakeBaudEnum(LPDWORD lpdwBaudRate)
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{
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int i;
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for(i=0; i<(sizeof(SERIALUI_BaudConvertTable)/sizeof(DWORD)); i+=2)
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{
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if(*lpdwBaudRate == SERIALUI_BaudConvertTable[i+1])
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{
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*lpdwBaudRate = SERIALUI_BaudConvertTable[i];
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return TRUE;
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}
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}
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return FALSE;
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}
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typedef struct tagSERIALUI_DialogInfo
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{
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LPCSTR lpszDevice;
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LPCOMMCONFIG lpCommConfig;
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BOOL bConvert; /* baud rate was converted to a DWORD */
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DWORD dwFlowControl; /* old flow control */
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} SERIALUI_DialogInfo;
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static void SERIALUI_DCBToDialogInfo(HWND hDlg, SERIALUI_DialogInfo *info)
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{
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DWORD dwBaudRate, dwStopBits, dwParity, dwByteSize, dwFlowControl;
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LPDCB lpdcb = &info->lpCommConfig->dcb;
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/* pass integer pointers to SERIALUI_ dialog config fns */
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dwBaudRate = lpdcb->BaudRate;
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dwStopBits = lpdcb->StopBits;
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dwParity = lpdcb->Parity;
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dwByteSize = lpdcb->ByteSize;
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/* map flow control state, if it looks normal */
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if((lpdcb->fRtsControl == RTS_CONTROL_HANDSHAKE) ||
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(lpdcb->fOutxCtsFlow == TRUE)) {
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dwFlowControl = 1;
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} else if(lpdcb->fOutX || lpdcb->fInX) {
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dwFlowControl = 2;
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} else {
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dwFlowControl = 0;
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}
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info->bConvert = SERIALUI_MakeBaudDword(&dwBaudRate);
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SERIALUI_AddConfItems( hDlg, IDC_BAUD, &SERIALUI_Baud2Str ,dwBaudRate);
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SERIALUI_AddConfItems( hDlg, IDC_STOP, &SERIALUI_Stop2Str ,dwStopBits);
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SERIALUI_AddConfItems( hDlg, IDC_PARITY, &SERIALUI_Parity2Str ,dwParity);
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SERIALUI_AddConfItems( hDlg, IDC_DATA, &SERIALUI_Data2Str ,dwByteSize);
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SERIALUI_AddConfItems( hDlg, IDC_FLOW, &SERIALUI_Flow2Str, dwFlowControl );
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info->dwFlowControl = dwFlowControl;
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}
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static void SERIALUI_DialogInfoToDCB(HWND hDlg, SERIALUI_DialogInfo *info)
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{
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DWORD dwBaudRate, dwStopBits, dwParity, dwByteSize, dwFlowControl;
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LPDCB lpdcb = &info->lpCommConfig->dcb;
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SERIALUI_GetConfItems( hDlg, IDC_BAUD, &SERIALUI_Baud2Str, &dwBaudRate);
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SERIALUI_GetConfItems( hDlg, IDC_STOP, &SERIALUI_Stop2Str, &dwStopBits);
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SERIALUI_GetConfItems( hDlg, IDC_PARITY, &SERIALUI_Parity2Str, &dwParity);
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SERIALUI_GetConfItems( hDlg, IDC_DATA, &SERIALUI_Data2Str, &dwByteSize);
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SERIALUI_GetConfItems( hDlg, IDC_FLOW, &SERIALUI_Flow2Str, &dwFlowControl );
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TRACE("baud=%ld stop=%ld parity=%ld data=%ld flow=%ld\n",
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dwBaudRate, dwStopBits, dwParity, dwByteSize, dwFlowControl);
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lpdcb->BaudRate = dwBaudRate;
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lpdcb->StopBits = dwStopBits;
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lpdcb->Parity = dwParity;
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lpdcb->ByteSize = dwByteSize;
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/* try not to change flow control if the user didn't change it */
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if(info->dwFlowControl != dwFlowControl)
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{
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switch(dwFlowControl)
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{
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case 0:
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lpdcb->fOutxCtsFlow = FALSE;
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lpdcb->fOutxDsrFlow = FALSE;
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lpdcb->fDtrControl = DTR_CONTROL_DISABLE;
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lpdcb->fOutX = FALSE;
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lpdcb->fInX = FALSE;
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lpdcb->fRtsControl = RTS_CONTROL_DISABLE;
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break;
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case 1: /* CTS/RTS */
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lpdcb->fOutxCtsFlow = TRUE;
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lpdcb->fOutxDsrFlow = FALSE;
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lpdcb->fDtrControl = DTR_CONTROL_DISABLE;
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lpdcb->fOutX = FALSE;
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lpdcb->fInX = FALSE;
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lpdcb->fRtsControl = RTS_CONTROL_HANDSHAKE;
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break;
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case 2:
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lpdcb->fOutxCtsFlow = FALSE;
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lpdcb->fOutxDsrFlow = FALSE;
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lpdcb->fDtrControl = DTR_CONTROL_DISABLE;
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lpdcb->fOutX = TRUE;
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lpdcb->fInX = TRUE;
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lpdcb->fRtsControl = RTS_CONTROL_DISABLE;
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break;
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}
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}
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if(info->bConvert)
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SERIALUI_MakeBaudEnum(&lpdcb->BaudRate);
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}
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/***********************************************************************
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* SERIALUI_ConfigDialogProc
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*
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* Shows a dialog for configuring a COMM port
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*/
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BOOL WINAPI SERIALUI_ConfigDialogProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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CHAR szTitle[30];
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SERIALUI_DialogInfo *info;
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switch (uMsg)
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{
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case WM_INITDIALOG:
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info = (SERIALUI_DialogInfo*) lParam;
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if(!info)
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return FALSE;
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SetWindowLongA(hWnd, DWL_USER, lParam);
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snprintf(szTitle, sizeof szTitle, "Settings for %s", info->lpszDevice);
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SetWindowTextA(hWnd, szTitle);
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SERIALUI_DCBToDialogInfo(hWnd, info);
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return TRUE;
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case WM_COMMAND:
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{
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WORD wID = LOWORD(wParam);
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info = (SERIALUI_DialogInfo *) GetWindowLongA(hWnd, DWL_USER);
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if(!info)
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EndDialog(hWnd,0);
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switch (wID)
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{
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case IDOK:
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SERIALUI_DialogInfoToDCB(hWnd,info);
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EndDialog(hWnd,1);
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return TRUE;
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case IDCANCEL:
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EndDialog(hWnd,0);
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return TRUE;
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/* test code for Get/SetDefaultCommConfig begins */
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case ID_GETDEFAULT:
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{
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DWORD r,dwConfSize = sizeof (COMMCONFIG);
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r = GetDefaultCommConfigA(info->lpszDevice,
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info->lpCommConfig, &dwConfSize);
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if(!r)
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MessageBoxA(hWnd,"Failed","GetDefaultCommConfig",MB_OK);
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}
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SERIALUI_DCBToDialogInfo(hWnd, info);
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break;
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case ID_SETDEFAULT:
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{
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DWORD r;
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SERIALUI_DialogInfoToDCB(hWnd,info);
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r = SetDefaultCommConfigA(info->lpszDevice,
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info->lpCommConfig, sizeof (COMMCONFIG));
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if(!r)
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MessageBoxA(hWnd,"Failed","GetDefaultCommConfig",MB_OK);
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}
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break;
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/* test code for Get/SetDefaultCommConfig ends */
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}
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}
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default:
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return FALSE;
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}
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}
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/***********************************************************************
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* SERIALUI_CommConfigDialog (SERIALUI.3)
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*
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* Used by Win9x KERNEL to show a dialog for configuring a COMM port.
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*/
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BOOL WINAPI SERIALUI_CommConfigDialog(
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LPCSTR lpszName,
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HWND hWndParent,
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LPCOMMCONFIG lpCommConfig
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) {
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SERIALUI_DialogInfo info;
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info.lpCommConfig = lpCommConfig;
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info.lpszDevice = lpszName;
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info.bConvert = FALSE;
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info.dwFlowControl = 0;
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if(!lpCommConfig)
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return FALSE;
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return DialogBoxParamA(SERIALUI_hModule,
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MAKEINTRESOURCEA(IDD_SERIALUICONFIG),
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hWndParent,
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(DLGPROC) SERIALUI_ConfigDialogProc,
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(LPARAM)&info);
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}
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static LPCSTR lpszCommKey = "System\\CurrentControlSet\\Services\\Class\\Ports";
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static LPCSTR lpszDCB = "DCB";
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/***********************************************************************
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* SERIALUI_SetDefaultCommConfig (SERIALUI.4)
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*
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* Used by Win98 KERNEL to set the default config for a COMM port
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* FIXME: uses the wrong registry key... should use a digit, not
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* the comm port name.
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*/
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BOOL WINAPI SERIALUI_SetDefaultCommConfig(
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LPCSTR lpszDevice,
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LPCOMMCONFIG lpCommConfig,
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DWORD dwSize
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) {
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HKEY hKeyReg=0, hKeyPort=0;
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CHAR szKeyName[100];
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DWORD r,dwDCBSize;
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TRACE("%p %p %lx\n",lpszDevice,lpCommConfig,dwSize);
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if(!lpCommConfig)
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return FALSE;
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if(dwSize < sizeof (COMMCONFIG))
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return FALSE;
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r = RegConnectRegistryA(NULL, HKEY_LOCAL_MACHINE, &hKeyReg);
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if(r != ERROR_SUCCESS)
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return FALSE;
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snprintf(szKeyName, sizeof szKeyName, "%s\\%s", lpszCommKey ,lpszDevice);
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r = RegCreateKeyA(hKeyReg, szKeyName, &hKeyPort);
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if(r == ERROR_SUCCESS)
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{
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dwDCBSize = sizeof (DCB);
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r = RegSetValueExA( hKeyPort, lpszDCB, 0, REG_BINARY,
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(LPSTR)&lpCommConfig->dcb,dwDCBSize);
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TRACE("write key r=%ld\n",r);
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RegCloseKey(hKeyPort);
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}
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RegCloseKey(hKeyReg);
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return (r==ERROR_SUCCESS);
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}
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/***********************************************************************
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* SERIALUI_GetDefaultCommConfig (SERIALUI.5)
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*
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* Used by Win9x KERNEL to get the default config for a COMM port
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* FIXME: uses the wrong registry key... should use a digit, not
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* the comm port name.
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*/
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BOOL WINAPI SERIALUI_GetDefaultCommConfig(
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LPCSTR lpszDevice,
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LPCOMMCONFIG lpCommConfig,
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LPDWORD lpdwSize
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) {
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HKEY hKeyReg, hKeyPort;
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CHAR szKeyName[100];
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DWORD r,dwSize,dwType;
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TRACE("%p %p %p\n",lpszDevice,lpCommConfig,lpdwSize);
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if(!lpCommConfig)
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return FALSE;
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if(!lpdwSize)
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return FALSE;
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if(*lpdwSize < sizeof (COMMCONFIG))
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return FALSE;
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*lpdwSize = sizeof (COMMCONFIG);
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memset(lpCommConfig, 0 , sizeof (COMMCONFIG));
|
|
lpCommConfig->dwSize = sizeof (COMMCONFIG);
|
|
lpCommConfig->wVersion = 1;
|
|
|
|
r = RegConnectRegistryA(NULL, HKEY_LOCAL_MACHINE, &hKeyReg);
|
|
if(r != ERROR_SUCCESS)
|
|
return FALSE;
|
|
|
|
snprintf(szKeyName, sizeof szKeyName, "%s\\%s", lpszCommKey ,lpszDevice);
|
|
r = RegOpenKeyA(hKeyReg, szKeyName, &hKeyPort);
|
|
if(r == ERROR_SUCCESS)
|
|
{
|
|
dwSize = sizeof (DCB);
|
|
dwType = 0;
|
|
r = RegQueryValueExA( hKeyPort, lpszDCB, NULL,
|
|
&dwType, (LPSTR)&lpCommConfig->dcb,&dwSize);
|
|
if ((r==ERROR_SUCCESS) && (dwType != REG_BINARY))
|
|
r = 1;
|
|
if ((r==ERROR_SUCCESS) && (dwSize != sizeof(DCB)))
|
|
r = 1;
|
|
|
|
RegCloseKey(hKeyPort);
|
|
}
|
|
else
|
|
{
|
|
/* FIXME: default to a hardcoded commconfig */
|
|
|
|
lpCommConfig->dcb.DCBlength = sizeof(DCB);
|
|
lpCommConfig->dcb.BaudRate = 9600;
|
|
lpCommConfig->dcb.fBinary = TRUE;
|
|
lpCommConfig->dcb.fParity = FALSE;
|
|
lpCommConfig->dcb.ByteSize = 8;
|
|
lpCommConfig->dcb.Parity = NOPARITY;
|
|
lpCommConfig->dcb.StopBits = ONESTOPBIT;
|
|
return TRUE;
|
|
}
|
|
|
|
RegCloseKey(hKeyReg);
|
|
|
|
return (r==ERROR_SUCCESS);
|
|
}
|