new programmer interface for linux

there is a new program with GUI (gtk3) to send data to its avr
conterpart.

it needs to be tested, since there may be a few bugs in it;
building a GUI was a terrible idea.

1 files changed, 89 insertions, 37 deletions

diff --git a/sw/programmer/linux/src/ui.c b/sw/programmer/linux/src/ui.c
index b33aa04..87dc0c7 100644
--- a/sw/programmer/linux/src/ui.c
+++ b/sw/programmer/linux/src/ui.c
@@ -1,90 +1,142 @@
 #include "ui.h"
 
 static bool ui_connected, ui_fileset;
-static GtkTextBuffer *ui_logbuf;
 static GtkBuilder *ui_builder;
 
 void ui_init(int *argc, char **argv[])
 {
     GtkWindow *window;
-    GtkTextView *logview;
     GtkFileChooserButton *filechoosebtn;
     GtkButton *connectbtn, *flashbtn;
 
-    /* set ui global variables */
     ui_connected = ui_fileset = false;
 
-    /* start gtk */
     gtk_init(argc, argv);
 
-    /* load glade gtk ui */
     ui_builder = gtk_builder_new();
-    gtk_builder_add_from_file(ui_builder, "gbprog.ui", NULL);
+    gtk_builder_add_from_file(ui_builder, "z80prog.ui", NULL);
 
-    /* connect logger buffer (extern variable) */
-    ui_logbuf = gtk_text_buffer_new(NULL);
-    logview = GTK_TEXT_VIEW(gtk_builder_get_object(ui_builder, "logview"));
-
-    gtk_text_view_set_buffer(logview, ui_logbuf);
-
-    /* connect objects to function calls */
-    // window
+    /* connect objects to callbacks */
     window = GTK_WINDOW(gtk_builder_get_object(ui_builder, "window"));
     g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
 
-    // connectbtn 
-    connectbtn = GTK_BUTTON(gtk_builder_get_object(ui_builder, "flashbtn"));
-    g_signal_connect(connectbtn, "clicked", 
-                        G_CALLBACK(ui_connect_clicked), NULL);
+    connectbtn = GTK_BUTTON(gtk_builder_get_object(ui_builder, "connectbtn"));
+    g_signal_connect(connectbtn, "clicked", G_CALLBACK(ui_connect_clicked), NULL);
 
-    // flashbtn
     flashbtn = GTK_BUTTON(gtk_builder_get_object(ui_builder, "flashbtn"));
     g_signal_connect(flashbtn, "clicked", G_CALLBACK(ui_flash_clicked), NULL);
 
-    // file chooser
-    filechoosebtn = GTK_FILE_CHOOSER_BUTTON(
-            gtk_builder_get_object(ui_builder, "filechoosebtn"));
+    filechoosebtn = GTK_FILE_CHOOSER_BUTTON(gtk_builder_get_object(ui_builder, "filechoosebtn"));
     g_signal_connect(filechoosebtn, "file-set", G_CALLBACK(ui_file_set), NULL);
 
     /* start gtk window */
     gtk_main();
 }
 
-void ui_log(const char *msg, char type) 
+void ui_log(const char *msg) 
 {
     GtkTextIter end;
-    gchar typech[4] = "[ ] ";
+    GtkTextView *ui_log;
+
+    static GtkTextBuffer *ui_logbuf = NULL; 
+
+    ui_log = GTK_TEXT_VIEW(gtk_builder_get_object(ui_builder, "logview"));
 
-    switch (type) {
-        case 'm': typech[1] = '@'; break; // message
-        case 'w': typech[1] = '#'; break; // warning
-        case 'e': typech[1] = '!'; break; // error
+    if (ui_logbuf == NULL) {
+        ui_logbuf = gtk_text_buffer_new(NULL);
+        gtk_text_view_set_buffer(ui_log, ui_logbuf);
     }
 
     gtk_text_buffer_get_end_iter(ui_logbuf, &end);
-    gtk_text_buffer_insert(ui_logbuf, &end, typech, 4);
-    gtk_text_buffer_get_end_iter(ui_logbuf, &end);
-    gtk_text_buffer_insert(ui_logbuf, &end, (const gchar *) msg, strlen(msg));
+    gtk_text_buffer_insert(ui_logbuf, &end, msg, -1);
+    gtk_text_view_scroll_to_iter(ui_log, &end, .0, TRUE, .0, .1);
 }
 
-void ui_file_set(GtkFileChooserButton *btn, gpointer user_data)
+void ui_check_enable_flashbtn(void)
 {
-    GtkEntry *filepath = 
-            GTK_ENTRY(gtk_builder_get_object(ui_builder, "filepath"));
+    GtkWidget *ui_flashbtn = GTK_WIDGET(gtk_builder_get_object(ui_builder, "flashbtn"));
 
-    gtk_entry_set_text(filepath, 
-            gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(btn)));
+    if (ui_connected && ui_fileset) 
+        gtk_widget_set_sensitive(ui_flashbtn, TRUE);
+    else
+        gtk_widget_set_sensitive(ui_flashbtn, FALSE); 
+}
 
-    ui_log("File set\n", 'm');
+void ui_file_set(GtkFileChooserButton *btn, gpointer user_data)
+{
+    GtkEntry *filepath = GTK_ENTRY(gtk_builder_get_object(ui_builder, "filepath"));
+
+    gtk_entry_set_text(filepath, gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(btn)));
+    ui_log(UI_LOG_MSG "file set\n");
     ui_fileset = true;
+
+    ui_check_enable_flashbtn();
 }
 
 void ui_connect_clicked(void) 
 {
+    GtkEntry *ui_devpath = GTK_ENTRY(gtk_builder_get_object(ui_builder, "devpath"));
+    GtkSpinButton *ui_baudrate = GTK_SPIN_BUTTON(gtk_builder_get_object(ui_builder, "devbaudrate"));
+    GtkButton *ui_connectbtn = GTK_BUTTON(gtk_builder_get_object(ui_builder, "connectbtn"));
+
+    unsigned long baudrate = gtk_spin_button_get_value_as_int(ui_baudrate);
+    const char *devpath = gtk_entry_get_text(ui_devpath);
+
+    if (flash_open(devpath, baudrate) != 0) {
+        ui_log(UI_LOG_ERR "failed to open serial device\n");
+    } else {
+        ui_connected = true;
+        ui_log(UI_LOG_MSG "connected to serial device ");
+        ui_log(devpath);
+        ui_log("\n");
+
+        g_signal_handlers_disconnect_by_func(ui_connectbtn, G_CALLBACK(ui_connect_clicked), NULL);
+        g_signal_connect(ui_connectbtn, "clicked", G_CALLBACK(ui_disconnect_clicked), NULL);
+
+        gtk_button_set_label(ui_connectbtn, "gtk-disconnect");
+        ui_check_enable_flashbtn();
+    }
+}
 
+void ui_disconnect_clicked(void)
+{
+    GtkButton *ui_connectbtn = GTK_BUTTON(gtk_builder_get_object(ui_builder, "connectbtn"));
+
+    flash_close();
+
+    ui_connected = false;
+    ui_log(UI_LOG_MSG "disconnected\n");
+
+    g_signal_handlers_disconnect_by_func(ui_connectbtn, G_CALLBACK(ui_disconnect_clicked), NULL);
+    g_signal_connect(ui_connectbtn, "clicked", G_CALLBACK(ui_connect_clicked), NULL);
+
+    gtk_button_set_label(ui_connectbtn, "gtk-connect");
+    ui_check_enable_flashbtn();
+}
+
+int ui_flash_write_start(void *ptr)
+{
+    const char *filepath = (const char *) ptr;
+
+    flash_write(filepath, ui_log);
+    ui_check_enable_flashbtn();
+
+    return 0;
 }
 
 void ui_flash_clicked(void)
 {
+    GtkWidget *ui_flashbtn = GTK_WIDGET(gtk_builder_get_object(ui_builder, "flashbtn"));
+    GtkEntry *ui_filepath = GTK_ENTRY(gtk_builder_get_object(ui_builder, "filepath"));
+
+    const char *filepath = gtk_entry_get_text(ui_filepath);
+
+    gdk_threads_add_idle_full(
+        G_PRIORITY_HIGH_IDLE,
+        ui_flash_write_start,
+        (void *) filepath,
+        NULL
+    );
 
+    gtk_widget_set_sensitive(ui_flashbtn, FALSE);
 }