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Diffstat (limited to 'ldmicro/confdialog.cpp')
| -rw-r--r-- | ldmicro/confdialog.cpp | 245 |
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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