OpenPLC-Ladder-Editor/ldmicro-rel2.2/ldmicro/confdialog.cpp

250 lines
8.7 KiB
C++

//-----------------------------------------------------------------------------
// Copyright 2007 Jonathan Westhues
//
// This file is part of LDmicro.
//
// LDmicro is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// LDmicro is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with LDmicro. If not, see <http://www.gnu.org/licenses/>.
//------
//
// Dialog for setting the overall PLC parameters. Mostly this relates to
// timing; to set up the timers we need to know the desired cycle time,
// which is configurable, plus the MCU clock (i.e. crystal frequency).
// Jonathan Westhues, Nov 2004
//-----------------------------------------------------------------------------
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <commctrl.h>
#include "ldmicro.h"
static HWND ConfDialog;
static HWND CrystalTextbox;
static HWND CycleTextbox;
static HWND BaudTextbox;
static LONG_PTR PrevCrystalProc;
static LONG_PTR PrevCycleProc;
static LONG_PTR PrevBaudProc;
//-----------------------------------------------------------------------------
// Don't allow any characters other than 0-9. in the text boxes.
//-----------------------------------------------------------------------------
static LRESULT CALLBACK MyNumberProc(HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam)
{
if(msg == WM_CHAR) {
if(!(isdigit(wParam) || wParam == '.' || wParam == '\b')) {
return 0;
}
}
LONG_PTR t;
if(hwnd == CrystalTextbox)
t = PrevCrystalProc;
else if(hwnd == CycleTextbox)
t = PrevCycleProc;
else if(hwnd == BaudTextbox)
t = PrevBaudProc;
else
oops();
return CallWindowProc((WNDPROC)t, hwnd, msg, wParam, lParam);
}
static void MakeControls(void)
{
HWND textLabel = CreateWindowEx(0, WC_STATIC, _("Cycle Time (ms):"),
WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE | SS_RIGHT,
5, 13, 145, 21, ConfDialog, NULL, Instance, NULL);
NiceFont(textLabel);
CycleTextbox = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, "",
WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
155, 12, 85, 21, ConfDialog, NULL, Instance, NULL);
NiceFont(CycleTextbox);
HWND textLabel2 = CreateWindowEx(0, WC_STATIC,
_("Crystal Frequency (MHz):"),
WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE | SS_RIGHT,
0, 43, 150, 21, ConfDialog, NULL, Instance, NULL);
NiceFont(textLabel2);
CrystalTextbox = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, "",
WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
155, 42, 85, 21, ConfDialog, NULL, Instance, NULL);
NiceFont(CrystalTextbox);
HWND textLabel3 = CreateWindowEx(0, WC_STATIC, _("UART Baud Rate (bps):"),
WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE | SS_RIGHT,
5, 73, 145, 21, ConfDialog, NULL, Instance, NULL);
NiceFont(textLabel3);
BaudTextbox = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, "",
WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
155, 72, 85, 21, ConfDialog, NULL, Instance, NULL);
NiceFont(BaudTextbox);
if(!UartFunctionUsed()) {
EnableWindow(BaudTextbox, FALSE);
EnableWindow(textLabel3, FALSE);
}
if(Prog.mcu && (Prog.mcu->whichIsa == ISA_ANSIC ||
Prog.mcu->whichIsa == ISA_INTERPRETED))
{
EnableWindow(CrystalTextbox, FALSE);
EnableWindow(textLabel2, FALSE);
}
OkButton = CreateWindowEx(0, WC_BUTTON, _("OK"),
WS_CHILD | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE | BS_DEFPUSHBUTTON,
258, 11, 70, 23, ConfDialog, NULL, Instance, NULL);
NiceFont(OkButton);
CancelButton = CreateWindowEx(0, WC_BUTTON, _("Cancel"),
WS_CHILD | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE,
258, 41, 70, 23, ConfDialog, NULL, Instance, NULL);
NiceFont(CancelButton);
char explanation[1024] = "";
if(UartFunctionUsed()) {
if(Prog.mcu && Prog.mcu->uartNeeds.rxPin != 0) {
sprintf(explanation,
_("Serial (UART) will use pins %d and %d.\r\n\r\n"),
Prog.mcu->uartNeeds.rxPin, Prog.mcu->uartNeeds.txPin);
} else {
strcpy(explanation,
_("Please select a micro with a UART.\r\n\r\n"));
}
} else {
strcpy(explanation, _("No serial instructions (UART Send/UART Receive) "
"are in use; add one to program before setting baud rate.\r\n\r\n")
);
}
strcat(explanation,
_("The cycle time for the 'PLC' runtime generated by LDmicro is user-"
"configurable. Very short cycle times may not be achievable due "
"to processor speed constraints, and very long cycle times may not "
"be achievable due to hardware overflows. Cycle times between 10 ms "
"and 100 ms will usually be practical.\r\n\r\n"
"The compiler must know what speed crystal you are using with the "
"micro to convert between timing in clock cycles and timing in "
"seconds. A 4 MHz to 20 MHz crystal is typical; check the speed "
"grade of the part you are using to determine the maximum allowable "
"clock speed before choosing a crystal."));
HWND textLabel4 = CreateWindowEx(0, WC_STATIC, explanation,
WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE,
11, 104, 310, 400, ConfDialog, NULL, Instance, NULL);
NiceFont(textLabel4);
// Measure the explanation string, so that we know how to size our window
RECT tr, cr;
HDC hdc = CreateCompatibleDC(NULL);
SelectObject(hdc, MyNiceFont);
SetRect(&tr, 0, 0, 310, 400);
DrawText(hdc, explanation, -1, &tr, DT_CALCRECT |
DT_LEFT | DT_TOP | DT_WORDBREAK);
DeleteDC(hdc);
int h = 104 + tr.bottom + 10;
SetWindowPos(ConfDialog, NULL, 0, 0, 344, h, SWP_NOMOVE);
// h is the desired client height, but SetWindowPos includes title bar;
// so fix it up by hand
GetClientRect(ConfDialog, &cr);
int nh = h + (h - (cr.bottom - cr.top));
SetWindowPos(ConfDialog, NULL, 0, 0, 344, nh, SWP_NOMOVE);
PrevCycleProc = SetWindowLongPtr(CycleTextbox, GWLP_WNDPROC,
(LONG_PTR)MyNumberProc);
PrevCrystalProc = SetWindowLongPtr(CrystalTextbox, GWLP_WNDPROC,
(LONG_PTR)MyNumberProc);
PrevBaudProc = SetWindowLongPtr(BaudTextbox, GWLP_WNDPROC,
(LONG_PTR)MyNumberProc);
}
void ShowConfDialog(void)
{
// The window's height will be resized later, to fit the explanation text.
ConfDialog = CreateWindowClient(0, "LDmicroDialog", _("PLC Configuration"),
WS_OVERLAPPED | WS_SYSMENU,
100, 100, 0, 0, NULL, NULL, Instance, NULL);
MakeControls();
char buf[16];
sprintf(buf, "%.1f", (Prog.cycleTime / 1000.0));
SendMessage(CycleTextbox, WM_SETTEXT, 0, (LPARAM)buf);
sprintf(buf, "%.6f", Prog.mcuClock / 1e6);
SendMessage(CrystalTextbox, WM_SETTEXT, 0, (LPARAM)buf);
sprintf(buf, "%d", Prog.baudRate);
SendMessage(BaudTextbox, WM_SETTEXT, 0, (LPARAM)buf);
EnableWindow(MainWindow, FALSE);
ShowWindow(ConfDialog, TRUE);
SetFocus(CycleTextbox);
MSG msg;
DWORD ret;
DialogDone = FALSE;
DialogCancel = FALSE;
while((ret = GetMessage(&msg, NULL, 0, 0)) && !DialogDone) {
if(msg.message == WM_KEYDOWN) {
if(msg.wParam == VK_RETURN) {
DialogDone = TRUE;
break;
} else if(msg.wParam == VK_ESCAPE) {
DialogDone = TRUE;
DialogCancel = TRUE;
break;
}
}
if(IsDialogMessage(ConfDialog, &msg)) continue;
TranslateMessage(&msg);
DispatchMessage(&msg);
}
if(!DialogCancel) {
char buf[16];
SendMessage(CycleTextbox, WM_GETTEXT, (WPARAM)sizeof(buf),
(LPARAM)(buf));
Prog.cycleTime = (int)(1000*atof(buf) + 0.5);
if(Prog.cycleTime == 0) {
Error(_("Zero cycle time not valid; resetting to 10 ms."));
Prog.cycleTime = 10000;
}
SendMessage(CrystalTextbox, WM_GETTEXT, (WPARAM)sizeof(buf),
(LPARAM)(buf));
Prog.mcuClock = (int)(1e6*atof(buf) + 0.5);
SendMessage(BaudTextbox, WM_GETTEXT, (WPARAM)sizeof(buf),
(LPARAM)(buf));
Prog.baudRate = atoi(buf);
}
EnableWindow(MainWindow, TRUE);
DestroyWindow(ConfDialog);
return;
}