Working help screen & fixed padding bug for Telemetry causing the text (ytes) to remain on the screen

gateway.c

@@ -942,7 +942,14 @@ void ProcessTelemetryMessage(int Channel, char *Message)
     {
         char *startmessage, *endmessage;
 
-        ChannelPrintf( Channel, 3, 1, "Telemetry %d bytes       ", strlen( Message + 1 ) );
+        char telem[40];
+        char buffer[40];
+
+        sprintf(telem, "Telemetry %d bytes", strlen( Message + 1 ));
+
+        // Pad the string with spaces to the size of the window
+        sprintf(buffer,"%-37s", telem );
+        ChannelPrintf( Channel, 3, 1, buffer);
 
         startmessage = Message;
         endmessage = strchr( startmessage, '\n' );

gui.c

@@ -1,19 +1,47 @@
 #include "gui.h"
 #include <string.h>
 
-// extern int help_win_displayed;
-
 WINDOW *create_help_win(int height, int width, int starty, int startx);
 void destroy_help_win(WINDOW *local_win);
 
 WINDOW *create_help_win(int height, int width, int starty, int startx)
-{   WINDOW *local_win;
+{   
+    WINDOW *local_win;
+    char buffer [80];
 
     local_win = newwin(height, width, starty, startx);
     box(local_win, 0 , 0);      /* 0, 0 gives default characters 
                      * for the vertical and horizontal
                      * lines            */
     wbkgd( local_win, COLOR_PAIR( 2 ) );
+    color_set( 2, NULL );
+
+    
+
+    sprintf( buffer, " Command set for the LoRa Gateway ");
+    mvaddstr( 1, ( 80 - strlen( buffer ) ) / 2, buffer );
+
+    sprintf( buffer, "Channel 0 commands are lower case (a-z)");
+    mvaddstr( 3, ( 80 - strlen( buffer ) ) / 2, buffer );
+
+    sprintf( buffer, "Channel 1 commands are upper case (A-Z)");
+    mvaddstr( 4, ( 80 - strlen( buffer ) ) / 2, buffer );
+
+    sprintf( buffer, "A = +100MHz    Z= -100MHz");
+    mvaddstr( 6, ( 80 - strlen( buffer ) ) / 2, buffer );
+
+    sprintf( buffer, "S = +10MHz     X= -10MHz ");
+    mvaddstr( 7, ( 80 - strlen( buffer ) ) / 2, buffer );
+
+    sprintf( buffer, "D = +1MHz      C= -1MHz  ");
+    mvaddstr( 8, ( 80 - strlen( buffer ) ) / 2, buffer );
+
+    sprintf( buffer, "F = Toggle AFC ");
+    mvaddstr( 10, ( 80 - strlen( buffer ) ) / 2, buffer );
+
+    sprintf( buffer, "M = Toggle Modes (This is not implemented yet!!!) ");
+    mvaddstr( 12, ( 80 - strlen( buffer ) ) / 2, buffer );
+
     wrefresh(local_win);        /* Show that box        */
 
     return local_win;
@@ -24,27 +52,12 @@ void destroy_help_win(WINDOW *local_win)
     int i = 0;
     char buffer [80];
 
-    /* box(local_win, ' ', ' '); : This won't produce the desired
-     * result of erasing the window. It will leave it's four corners 
-     * and so an ugly remnant of window. 
-     */
+    // Remove the border
     wborder(local_win, ' ', ' ', ' ',' ',' ',' ',' ',' ');
-    /* The parameters taken are 
-     * 1. win: the window on which to operate
-     * 2. ls: character to be used for the left side of the window 
-     * 3. rs: character to be used for the right side of the window 
-     * 4. ts: character to be used for the top side of the window 
-     * 5. bs: character to be used for the bottom side of the window 
-     * 6. tl: character to be used for the top left corner of the window 
-     * 7. tr: character to be used for the top right corner of the window 
-     * 8. bl: character to be used for the bottom left corner of the window 
-     * 9. br: character to be used for the bottom right corner of the window
-     */
-
 
+    color_set( 3, NULL );
     for (i=1;i<15;i++)
-        mvchgat(i, 39, 2, COLOR_PAIR(3), 0, NULL);
-
+        mvaddstr(i, 39, "  ");
 
     // Put the HELP message back
     sprintf( buffer, "             Press (H) for Help             ");
@@ -78,6 +91,5 @@ void gui_show_help ()
     };
 
     destroy_help_win(help_win);
-    // help_win_displayed = 0;
 
 }