First commit

1 files changed, 245 insertions, 0 deletions

diff --git a/ldmicro/confdialog.cpp b/ldmicro/confdialog.cpp
new file mode 100644
index 0000000..099d35a
--- /dev/null
+++ b/ldmicro/confdialog.cpp
@@ -0,0 +1,245 @@
+//-----------------------------------------------------------------------------
+// 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"
+
+using namespace std;
+
+static HWID ConfDialog;
+
+static HWID CrystalTextbox;
+static HWID CycleTextbox;
+static HWID BaudTextbox;
+static HWID OkButton;
+static HWID CancelButton;
+
+static LONG_PTR PrevCrystalProc;
+static LONG_PTR PrevCycleProc;
+static LONG_PTR PrevBaudProc;
+
+HWID ConfGrid;
+HWID ConfPackingBox;
+
+static void MakeControls(void)
+{      
+    // Creating text labels
+    HWID textLabel = gtk_label_new ("Cycle Time (ms):");
+    HWID textLabel2 = gtk_label_new ("Crystal Frequency (MHz):");
+    HWID textLabel3 = gtk_label_new ("UART Baud Rate (bps):");
+
+    // Creating text boxes 
+    CycleTextbox = gtk_entry_new ();
+    gtk_entry_set_max_length (GTK_ENTRY (CycleTextbox), 0);
+    // gtk_entry_set_input_purpose (GTK_ENTRY (CycleTextbox), GTK_INPUT_PURPOSE_DIGITS);
+    CrystalTextbox = gtk_entry_new ();
+    gtk_entry_set_max_length (GTK_ENTRY (CrystalTextbox), 0);
+    BaudTextbox = gtk_entry_new ();
+    gtk_entry_set_max_length (GTK_ENTRY (BaudTextbox), 0);
+
+    if(!UartFunctionUsed()) {   
+        gtk_widget_set_sensitive (BaudTextbox, FALSE);
+        gtk_widget_set_sensitive (textLabel3, FALSE);
+    }
+
+    if(Prog.mcu && (Prog.mcu->whichIsa == ISA_ANSIC ||
+        Prog.mcu->whichIsa == ISA_INTERPRETED)) 
+    {
+        gtk_widget_set_sensitive (CrystalTextbox, FALSE);
+        gtk_widget_set_sensitive (textLabel2, FALSE);
+    }
+
+    OkButton = gtk_button_new_with_label ("OK");
+    CancelButton = gtk_button_new_with_label ("Cancel");
+
+    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, _("\n No serial instructions (UART Send/UART Receive) \n"
+            "are in use; add one to program before \n"
+            "setting baud rate.\r\n\r\n") );
+    }
+
+    strcat(explanation,
+        _("The cycle time for the 'PLC' runtime generated by \n" "LDmicro is user-"
+        "configurable. Very short cycle \n" "times may not be achievable due "
+        "to processor \n" "speed constraints, and very long cycle times may \n"
+        "not be achievable due to hardware overflows. Cycle \n" "times between 10 ms \n"
+        "and 100 ms will usually be practical.\r\n\r\n"
+        "The compiler must know what speed crystal you \n" "are using with the "
+        "micro to convert between timing \n" "in clock cycles and timing in"
+        "seconds. A 4 MHz to \n" "20 MHz crystal is typical; check the speed "
+        "grade of \n" "the part you are using to determine the maximum \n" "allowable"
+        "clock speed before choosing a crystal.\n"));
+
+    HWID textLabel4 = gtk_label_new (explanation);
+
+    // Creating required containers for packing
+    ConfGrid = gtk_grid_new();
+    ConfPackingBox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
+
+    gtk_grid_attach (GTK_GRID (ConfGrid), textLabel, 1, 2, 1, 1);
+    gtk_grid_attach (GTK_GRID (ConfGrid), CycleTextbox, 3, 2, 1, 1);
+    gtk_grid_attach (GTK_GRID (ConfGrid), OkButton, 6, 2, 2, 1);
+    gtk_grid_attach (GTK_GRID (ConfGrid), textLabel2, 1, 4, 1, 1);
+    gtk_grid_attach (GTK_GRID (ConfGrid), CrystalTextbox, 3, 4, 1, 1);
+    gtk_grid_attach (GTK_GRID (ConfGrid), CancelButton, 6, 4, 2, 1);
+    gtk_grid_attach (GTK_GRID (ConfGrid), textLabel3, 1, 6, 1, 1);
+    gtk_grid_attach (GTK_GRID (ConfGrid), BaudTextbox, 3, 6, 1, 1);
+    
+    gtk_grid_set_column_spacing (GTK_GRID (ConfGrid), 2);
+
+    gtk_box_pack_start(GTK_BOX(ConfPackingBox), ConfGrid, TRUE, TRUE, 0);
+    gtk_box_pack_start(GTK_BOX(ConfPackingBox), textLabel4, TRUE, TRUE, 0);
+
+//     PrevCycleProc = SetWindowLongPtr(CycleTextbox, GWLP_WNDPROC, 
+//         (LONG_PTR)MyNumberProc);
+
+//     PrevCrystalProc = SetWindowLongPtr(CrystalTextbox, GWLP_WNDPROC, 
+//         (LONG_PTR)MyNumberProc);
+
+//     PrevBaudProc = SetWindowLongPtr(BaudTextbox, GWLP_WNDPROC, 
+//         (LONG_PTR)MyNumberProc);
+}
+
+//-----------------------------------------------------------------------------
+// Don't allow any characters other than 0-9. in the text boxes.
+//-----------------------------------------------------------------------------
+
+void ConfDialogMyNumberProc (GtkEditable *editable, gchar *NewText, gint length, 
+    gint *position, gpointer data){
+    gtk_widget_set_sensitive (MainWindow, TRUE);
+    for (int i = 0; i < length; i++){
+        if (!(isdigit (NewText[i]) || NewText[i] == '.' || NewText[i] == '\b')){
+            g_signal_stop_emission_by_name (G_OBJECT (editable), "insert-text");
+            return;
+        }
+    }
+}
+
+// Gets data from the text boxes
+void ConfDialogGetData (GtkWidget* widget, gpointer data){
+    char* buf;
+        
+    buf = const_cast <char*> (gtk_entry_get_text (GTK_ENTRY (CycleTextbox)));
+    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;
+    }
+
+    buf = const_cast <char*> (gtk_entry_get_text (GTK_ENTRY(CrystalTextbox)));
+    Prog.mcuClock = (int)(1e6*atof(buf) + 0.5);
+
+    buf = const_cast <char*> (gtk_entry_get_text (GTK_ENTRY(BaudTextbox)));
+    Prog.baudRate = atoi(buf);        
+    DestroyWindow (ConfDialog);
+    ProgramChanged();
+}
+
+// Checks for the required key press
+gboolean ConfDialogKeyPress (GtkWidget* widget, GdkEventKey* event, gpointer data){
+    if (event -> keyval == GDK_KEY_Return){
+        ConfDialogGetData(NULL, NULL);
+    }
+    else if (event -> keyval == GDK_KEY_Escape){
+        DestroyWindow (ConfDialog);
+        ProgramChanged();
+        gtk_widget_set_sensitive (MainWindow, TRUE);
+    }
+    return FALSE;
+}
+
+void ConfCallDestroyWindow (HWID widget, gpointer data){
+    DestroyWindow (ConfDialog);
+    ProgramChanged();
+    gtk_widget_set_sensitive (MainWindow, TRUE);
+}
+
+// Consists of all the signal calls
+void ConfDialogSignalCall () {
+    g_signal_connect (G_OBJECT(CycleTextbox), "insert-text",
+		     G_CALLBACK(ConfDialogMyNumberProc), NULL);
+    g_signal_connect (G_OBJECT(CrystalTextbox), "insert-text",
+		     G_CALLBACK(ConfDialogMyNumberProc), NULL);
+    g_signal_connect (G_OBJECT(BaudTextbox), "insert-text",
+		     G_CALLBACK(ConfDialogMyNumberProc), NULL);
+    g_signal_connect (G_OBJECT (ConfDialog), "key-press-event",
+                    G_CALLBACK(ConfDialogKeyPress), NULL);
+    g_signal_connect (G_OBJECT (OkButton), "clicked",
+                    G_CALLBACK(ConfDialogGetData), NULL);
+    g_signal_connect (G_OBJECT (CancelButton), "clicked",
+                    G_CALLBACK(ConfCallDestroyWindow), NULL);
+    g_signal_connect (ConfDialog, "delete_event", G_CALLBACK (ConfCallDestroyWindow), NULL);
+}
+
+void ShowConfDialog(void)
+{
+    // The window's height will be resized later, to fit the explanation text.
+    MakeControls();
+    GdkEventKey* event;
+
+    ConfDialog = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+    gtk_window_set_title(GTK_WINDOW(ConfDialog), "PLC Configuration");
+    gtk_window_set_default_size(GTK_WINDOW(ConfDialog), 200, 250);
+    gtk_window_set_resizable (GTK_WINDOW (ConfDialog), FALSE);
+    gtk_container_add(GTK_CONTAINER(ConfDialog), ConfPackingBox);
+    gtk_widget_add_events (ConfDialog, GDK_KEY_PRESS_MASK);
+    gtk_widget_add_events (ConfDialog, GDK_BUTTON_PRESS_MASK);
+
+    char buf[16];
+    sprintf(buf, "%.1f", (Prog.cycleTime / 1000.0));
+    gtk_entry_set_text (GTK_ENTRY (CycleTextbox), buf);
+
+    sprintf(buf, "%.6f", Prog.mcuClock / 1e6);
+    gtk_entry_set_text (GTK_ENTRY (CrystalTextbox), buf);
+
+    sprintf(buf, "%d", Prog.baudRate);
+    gtk_entry_set_text (GTK_ENTRY (BaudTextbox), buf);
+
+    gtk_widget_set_sensitive (MainWindow, FALSE);
+    gtk_widget_grab_focus (OkButton);
+    gtk_widget_set_state_flags (CycleTextbox, GTK_STATE_FLAG_FOCUSED, TRUE);
+    gtk_widget_grab_focus (CycleTextbox);
+    gtk_widget_show_all (ConfDialog);
+
+    ConfDialogSignalCall();
+
+    return;
+}
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