1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
//-----------------------------------------------------------------------------
// 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 <linuxUI.h>
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
//#include <commctrl.h>
#include "ldmicro.h"
static QDialog* ConfDialog;
static QLineEdit* CrystalTextbox;
static QLineEdit* CycleTextbox;
static QLineEdit* BaudTextbox;
static QDialogButtonBox* ButtonBox;
static LONG_PTR PrevCrystalProc;
static LONG_PTR PrevCycleProc;
static LONG_PTR PrevBaudProc;
QGridLayout* ConfGrid;
static inline void DestroyWindow()
{
delete ConfDialog;
delete CrystalTextbox;
delete CycleTextbox;
delete BaudTextbox;
delete ButtonBox;
delete ConfGrid;
}
static void MakeControls(void)
{
// Creating text labels
QLabel* textLabel = new QLabel(_("Cycle Time (ms):"));
QLabel* textLabel2 = new QLabel(_("Crystal Frequency (MHz):"));
QLabel* textLabel3 = new QLabel(_("UART Baud Rate (bps):"));
CycleTextbox = new QLineEdit();
CrystalTextbox = new QLineEdit();
BaudTextbox = new QLineEdit();
CycleTextbox->setValidator(
new QRegExpValidator(
QRegExp("[0-9]+")));
CrystalTextbox->setValidator(
new QRegExpValidator(
QRegExp("[0-9]+")));
BaudTextbox->setValidator(
new QRegExpValidator(
QRegExp("[0-9]+")));
if(!UartFunctionUsed()) {
BaudTextbox->setEnabled(FALSE);
textLabel3->setEnabled(FALSE);
}
if(Prog.mcu && (Prog.mcu->whichIsa == ISA_ANSIC ||
Prog.mcu->whichIsa == ISA_INTERPRETED))
{
CrystalTextbox->setEnabled(FALSE);
textLabel2->setEnabled(FALSE);
}
ButtonBox = new QDialogButtonBox(QDialogButtonBox::Ok
| QDialogButtonBox::Cancel, Qt::Vertical,
ConfDialog);
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."));
QLabel* textLabel4 = new QLabel(explanation);
textLabel4->setAlignment(Qt::AlignJustify);
textLabel4->setMaximumWidth(310);
textLabel4->setWordWrap(TRUE);
// Creating required containers for packing
ConfGrid->addWidget(textLabel, 0,0);
ConfGrid->addWidget(CycleTextbox, 0,1);
ConfGrid->addWidget(ButtonBox, 0, 2, 0, 2);
ConfGrid->addWidget(textLabel2, 1, 0);
ConfGrid->addWidget(CrystalTextbox, 1, 1);
ConfGrid->addWidget(textLabel3, 2, 0);
ConfGrid->addWidget(BaudTextbox, 2, 1);
ConfGrid->addWidget(textLabel4, 3, 0, 2, 0,
Qt::AlignJustify);
NiceFont(ConfDialog);
CycleTextbox->setFocus();
ConfDialog->adjustSize();
QObject::connect(ButtonBox, SIGNAL(accepted()), ConfDialog, SLOT(accept()));
QObject::connect(ButtonBox, SIGNAL(rejected()), ConfDialog, SLOT(reject()));
}
void ShowConfDialog(void)
{
// The window's height will be resized later, to fit the explanation text.
ConfDialog = CreateWindowClient(_("PLC Configuration"),
100, 100, 0, 0, MainWindow);
ConfGrid = new QGridLayout(ConfDialog);
MakeControls();
char buf[16];
sprintf(buf, "%.1f", (Prog.cycleTime / 1000.0));
CycleTextbox->setText(buf);
sprintf(buf, "%.6f", Prog.mcuClock / 1e6);
CrystalTextbox->setText(buf);
sprintf(buf, "%d", Prog.baudRate);
BaudTextbox->setText(buf);
int ret = ConfDialog->exec();
switch(ret)
{
case QDialog::Accepted:
{
char buf[16];
strncpy(buf, CycleTextbox->text().toStdString().c_str(),16);
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;
}
strncpy(buf, CrystalTextbox->text().toStdString().c_str(),16);
Prog.mcuClock = (int)(1e6*atof(buf) + 0.5);
strncpy(buf, BaudTextbox->text().toStdString().c_str(),16);
Prog.baudRate = atoi(buf);
}
break;
case QDialog::Rejected:
break;
}
}
|
