Revision 21:f348e6f0f7d4, committed 2014-10-10

Comitter:

WillemBraat

Date:

Fri Oct 10 18:23:36 2014 +0000

Parent:

20:150afde94910

Commit message:

Additional files: CDU_Maintenance.cpp / mbps_def3.h
; Rewrite of main() function for power checks

Changed in this revision

--- a/4DGL.lib	Thu Sep 25 11:34:21 2014 +0000
+++ b/4DGL.lib	Fri Oct 10 18:23:36 2014 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/teams/Engravity-CDU/code/4DGL-UC/#f90479eeca36
+http://mbed.org/teams/Engravity-CDU/code/4DGL-UC/#f4c0e65c4561

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CDU_Maintenance.cpp	Fri Oct 10 18:23:36 2014 +0000
@@ -0,0 +1,146 @@
+/****************************************************************************/
+/* This file contains entry points to setup and test procedures for the CDU */
+/* Prerequisitions:                                                         */
+/* 1. S-EXEC flag must be set to avoid interference from fs communications  */
+/* 2. Keyboard interrupt routine must be redefined                          */
+/****************************************************************************/
+
+#include "mbed.h"
+#include "TFT_4DGL.h"
+#include "display.h"
+
+#include <string>
+using namespace std;
+
+void CDU_ScreenAlign();
+void CDU_displayclear();
+void ExitKey( string cTitleText );
+
+extern TFT_4DGL display; 
+//extern void CDU_KB_INT_DISABLE(); //disable keyhandler and start internal keyhandler
+extern int key_hit_ID;
+
+//int righttext( string cString, int nChars, int nCharWidth )
+//int centertext( string cString, int nChars, int nCharWidth )
+extern char* str2char( string cString );
+extern int righttext( string cString, int nChars, int nCharWidth );
+extern int centertext( string cString, int nChars, int nCharWidth );
+
+
+void CDU_Maint()
+// Main selection screen SETUP and MAINT
+{
+    ExitKey( "CDU MAINTENANCE");
+    display.graphic_string( str2char( "< SETUP" ), 0, LINE3, FONT_24X34, WHITE, 2, 2 ); 
+    display.graphic_string( str2char( "LIGHT TEST >" ), righttext( "LIGHT TEST >", 24,24) , LINE3, FONT_24X34, WHITE, 2, 2 );     
+    display.graphic_string( str2char( "KEYBOARD TEST >" ), righttext( "KEYBOARD TEST >", 24,24) , LINE5, FONT_24X34, WHITE, 2, 2 );         
+    display.graphic_string( str2char( "FIRMWARE >" ), righttext( "FIRMWARE >", 24,24) , LINE9, FONT_24X34, WHITE, 2, 2 );
+}
+
+//Setup screens
+void CDU_Setup()
+{
+    ExitKey( "CDU SETUP" );
+    display.graphic_string( str2char( "< USB" ), 0, LINE3, FONT_24X34, WHITE, 2, 2 ); 
+    display.graphic_string( str2char( "< ETHERNET" ), 0, LINE5, FONT_24X34, WHITE, 2, 2 ); 
+    display.graphic_string( str2char( "DISPLAY SOURCE >" ), righttext( "DISPLAY SOURCE >", 24,24) , LINE9, FONT_24X34, WHITE, 2, 2 );     
+}
+
+
+void CDU_USB_Setup()
+{
+    ExitKey( "CDU USB SETUP" );
+    display.graphic_string( str2char( "< BAUDRATE" ), 0, LINE3, FONT_24X34, WHITE, 2, 2 ); 
+    display.graphic_string( str2char( "< DATABITS" ), 0, LINE5, FONT_24X34, WHITE, 2, 2 );        
+    display.graphic_string( str2char( "< PARITY" ), 0, LINE7, FONT_24X34, WHITE, 2, 2 ); 
+    display.graphic_string( str2char( "< STOPBITS" ), 0, LINE9, FONT_24X34, WHITE, 2, 2 ); 
+}
+
+void CDU_Ethernet_Setup()
+{
+    ExitKey( "CDU ETHERNET SETUP" );
+    display.graphic_string( str2char( "< AUTO IP" ), 0, LINE3, FONT_24X34, WHITE, 2, 2 ); 
+    display.graphic_string( str2char( "< IP ADDRESS" ), 0, LINE5, FONT_24X34, WHITE, 2, 2 );        
+    display.graphic_string( str2char( "< GATEWAY" ), 0, LINE7, FONT_24X34, WHITE, 2, 2 ); 
+    display.graphic_string( str2char( "< MAC ADDRESS" ), 0, LINE9, FONT_24X34, WHITE, 2, 2 );    
+    
+}
+
+
+void CDU_Source_Setup()
+{
+    ExitKey( "CDU VIDEO SOURCE" );
+    display.graphic_string( str2char( "< INTERNAL" ), 0, LINE3, FONT_24X34, WHITE, 2, 2 ); 
+    display.graphic_string( str2char( "EXTERNAL >" ), righttext( "EXTERNAL >", 24,24) , LINE3, FONT_24X34, WHITE, 2, 2 );   
+}
+
+
+
+//Maintenance screens
+
+void CDU_FW_Update()
+{
+    ExitKey( "FIRMWARE UPDATE" );
+    display.graphic_string( str2char( "REBOOT CDU >" ), righttext( "REBOOT CDU >", 24,24) , LINE3, FONT_24X34, WHITE, 2, 2 );   
+}
+
+void CDU_LightTest()
+{
+    ExitKey( "CDU LIGHT TEST" );
+    display.graphic_string( str2char( "< BACKLIGHT" ), 0, LINE3, FONT_24X34, WHITE, 2, 2 ); 
+    display.graphic_string( str2char( "*=ON" ), centertext( "*=ON", 24, 24 ), LINE2, FONT_24X34, WHITE, 2, 2 ); 
+    display.graphic_string( str2char( "----ANNUNCIATOR TEST----" ), 0, LINE4, FONT_24X34, WHITE, 2, 2 );  
+       
+    display.graphic_string( str2char( "< DSP" ), 0, LINE7, FONT_24X34, RED, 2, 2 );        
+    display.graphic_string( str2char( "< FAIL" ), 0, LINE9, FONT_24X34, RED, 2, 2 ); 
+    
+    display.graphic_string( str2char( "EXEC >" ), righttext( "EXEC >", 24,24) , LINE5, FONT_24X34, GREEN, 2, 2 );  
+    display.graphic_string( str2char( "MSG >" ),  righttext( "MSG >", 24,24) ,  LINE7, FONT_24X34, YELLOW, 2, 2 );  
+    display.graphic_string( str2char( "OFST >" ), righttext( "OFST >", 24,24) , LINE9, FONT_24X34, YELLOW, 2, 2 );              
+}
+
+void CDU_KeyboardTest()
+{
+    ExitKey( "CDU KEYBOARD TEST");
+    display.graphic_string( str2char( "KEYSCAN CODE: " ), 0, LINE6, FONT_24X34, WHITE, 2, 2 );   
+    display.graphic_string( str2char( "FS KEY VALUE: " ), 0, LINE7, FONT_24X34, WHITE, 2, 2 ); 
+    display.graphic_string( str2char( "PRESS 2x [EXEC]" ), 6, LINE12, FONT_24X34, WHITE, 2, 2 );        
+}
+
+void ExitKey( string cTitleText )
+{
+    //clear screen and place exit text
+    CDU_displayclear();
+    display.graphic_string( str2char( cTitleText ), centertext( cTitleText, 24, 24 ), LINE1, FONT_24X34, WHITE, 2, 2 ); 
+    display.graphic_string( str2char( "< EXIT" ), 0, LINE13, FONT_24X34, WHITE, 2, 2 ); 
+}
+
+//Show all setup screens
+
+void CDU_Screens()
+{
+    CDU_Maint();
+    wait_ms( 4000 );
+    
+    CDU_Setup();
+    wait_ms( 4000 );
+    
+    CDU_USB_Setup();
+    wait_ms( 4000 );
+
+    CDU_Ethernet_Setup();
+    wait_ms( 4000 );
+    
+    CDU_Source_Setup();
+    wait_ms( 4000 );
+    
+    CDU_LightTest();
+    wait_ms( 4000);
+    
+    CDU_KeyboardTest();
+    wait_ms( 4000 );
+
+    CDU_FW_Update();
+    wait_ms( 4000 );
+   
+}
\ No newline at end of file

--- a/CDU_hw_sw.cpp	Thu Sep 25 11:34:21 2014 +0000
+++ b/CDU_hw_sw.cpp	Fri Oct 10 18:23:36 2014 +0000
@@ -3,6 +3,9 @@
 #include "pins.h"
 
 extern "C" void mbed_mac_address(char *mac); //for reading MAC Address
+extern "C" void mbed_reset();                //reboot CDU
+
+extern int PWR_led;
 
 string CDU_Hardware()
 {
@@ -64,3 +67,8 @@
     cIP += "000:000:000:000 (not defined)";
     return cIP;
 }
+
+void CDU_BOOT()
+{
+    mbed_reset();
+}

--- a/display.cpp	Thu Sep 25 11:34:21 2014 +0000
+++ b/display.cpp	Fri Oct 10 18:23:36 2014 +0000
@@ -53,7 +53,6 @@
 */
 
 
-
 //Control lines for VGA driver board
 TFT_4DGL display(VGA_TX,VGA_RX,VGA_RESET); // serial tx, serial rx, reset pin
 
@@ -274,8 +273,8 @@
 
 void CDU_LogoScreen()
 {
+    display.cls();
     display.display_control(IMAGE_FORMAT, NEW); //set correct image for reading from SD    
-    display.cls();
     display.showpicture( 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);    // Engravity logo
 }
 
@@ -287,23 +286,23 @@
     
     display.cls();  
     
-    display.graphic_string( str2char( cTitle1 ), centertext( cTitle1, 24, LARGECHAR), LINE6, FONT_24X34, WHITE, 1, 1 );
+    display.graphic_string( str2char( cTitle1 ), centertext( cTitle1, 24, LARGECHAR), LINE6, FONT_24X34, WHITE, TEXT_SCALE, TEXT_SCALE );
     wait_ms(100);
-    display.graphic_string( str2char( cTitle2 ), centertext( cTitle2, 24, LARGECHAR), LINE8, FONT_24X34, RED, 1, 1 );
+    display.graphic_string( str2char( cTitle2 ), centertext( cTitle2, 24, LARGECHAR), LINE8, FONT_24X34, RED, TEXT_SCALE, TEXT_SCALE );
     wait_ms(100);
-    display.graphic_string( str2char( cTitle2 ), centertext( cTitle2, 24, LARGECHAR), LINE8, FONT_24X34, GREEN, 1, 1 );
+    display.graphic_string( str2char( cTitle2 ), centertext( cTitle2, 24, LARGECHAR), LINE8, FONT_24X34, GREEN, TEXT_SCALE, TEXT_SCALE );
     wait_ms(100);
-    display.graphic_string( str2char( cTitle2) , centertext( cTitle2, 24, LARGECHAR), LINE8, FONT_24X34, BLUE, 1, 1 );
+    display.graphic_string( str2char( cTitle2) , centertext( cTitle2, 24, LARGECHAR), LINE8, FONT_24X34, BLUE, TEXT_SCALE, TEXT_SCALE );
     wait_ms(100);
     
     display.cls();
     
     //Hardware & Firmware information
-    display.graphic_string( str2char( CDU_Hardware() ), centertext( CDU_Hardware(), 48, SMALLCHAR), LINE6,  FONT_12X34, WHITE, 1, 1 );
-    display.graphic_string( str2char( CDU_Firmware() ), centertext( CDU_Firmware(), 48, SMALLCHAR), LINE7,  FONT_12X34, WHITE, 1, 1 );
-    display.graphic_string( str2char( CDU_Compile() ) , centertext( CDU_Compile() , 48, SMALLCHAR), LINE8,  FONT_12X34, WHITE, 1, 1 );
-    display.graphic_string( str2char( CDU_MAC() )     , centertext( CDU_MAC()     , 48, SMALLCHAR), LINE10, FONT_12X34, WHITE, 1, 1 );  
-    display.graphic_string( str2char( CDU_IP() )      , centertext( CDU_IP()      , 48, SMALLCHAR), LINE11, FONT_12X34, WHITE, 1, 1 );          
+    display.graphic_string( str2char( CDU_Hardware() ), centertext( CDU_Hardware(), 48, SMALLCHAR), LINE6,  FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( str2char( CDU_Firmware() ), centertext( CDU_Firmware(), 48, SMALLCHAR), LINE7,  FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( str2char( CDU_Compile() ) , centertext( CDU_Compile() , 48, SMALLCHAR), LINE8,  FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( str2char( CDU_MAC() )     , centertext( CDU_MAC()     , 48, SMALLCHAR), LINE10, FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );  
+    display.graphic_string( str2char( CDU_IP() )      , centertext( CDU_IP()      , 48, SMALLCHAR), LINE11, FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );          
     wait_ms(5000);    
 }
 
@@ -329,51 +328,54 @@
     display.line(XMIN,LINE14,XMAX,LINE14, WHITE);
     
     //Hardware & Firmware information
-    display.graphic_string( str2char( CDU_Hardware() ), centertext( CDU_Hardware(), 48, SMALLCHAR), LINE6,  FONT_12X34, WHITE, 1, 1 );
-    display.graphic_string( str2char( CDU_Firmware() ), centertext( CDU_Firmware(), 48, SMALLCHAR), LINE7,  FONT_12X34, WHITE, 1, 1 );
-    display.graphic_string( str2char( CDU_Compile() ) , centertext( CDU_Compile() , 48, SMALLCHAR), LINE8,  FONT_12X34, WHITE, 1, 1 );
-    display.graphic_string( str2char( CDU_MAC() )     , centertext( CDU_MAC()     , 48, SMALLCHAR), LINE10, FONT_12X34, WHITE, 1, 1 );  
-    display.graphic_string( str2char( CDU_IP() )      , centertext( CDU_IP()      , 48, SMALLCHAR), LINE11, FONT_12X34, WHITE, 1, 1 );          
+    display.graphic_string( str2char( CDU_Hardware() ), centertext( CDU_Hardware(), 48, SMALLCHAR), LINE6,  FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( str2char( CDU_Firmware() ), centertext( CDU_Firmware(), 48, SMALLCHAR), LINE7,  FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( str2char( CDU_Compile() ) , centertext( CDU_Compile() , 48, SMALLCHAR), LINE8,  FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( str2char( CDU_MAC() )     , centertext( CDU_MAC()     , 48, SMALLCHAR), LINE10, FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );  
+    display.graphic_string( str2char( CDU_IP() )      , centertext( CDU_IP()      , 48, SMALLCHAR), LINE11, FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );          
     
 }
 
-
- 
 void CDU_Page()
 {
     display.cls();
-    display.graphic_string( "PERF INIT" , 8*24,  LINE1, FONT_24X34, WHITE, 1, 1 );
+    display.graphic_string( "PERF INIT" , 8*24,  LINE1, FONT_24X34, WHITE, TEXT_SCALE, TEXT_SCALE );
   
-    display.graphic_string( "GW/CRZ CG" , 0,  LINE2, FONT_12X34, WHITE, 1, 1 );
-    display.graphic_string( "CRZ ALT"   , 41*12, LINE2, FONT_12X34, WHITE, 1, 1 );
+    display.graphic_string( "GW/CRZ CG" , 0,  LINE2, FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( "CRZ ALT"   , 41*12, LINE2, FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
    
-    display.graphic_string( "___._ / 26.2%" , 0,  LINE3, FONT_24X34, WHITE, 1, 1 );
-    display.graphic_string( "_____"     , 19*24, LINE3, FONT_24X34, WHITE, 1, 1 );
-    display.graphic_string( "FUEL" , 0,  LINE4, FONT_12X34, WHITE, 1, 1 );
-    display.graphic_string( "CRZ/WIND"   , 40*12, LINE4, FONT_12X34, WHITE, 1, 1 );
+    display.graphic_string( "___._ / 26.2%" , 0,  LINE3, FONT_24X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( "_____"     , 19*24, LINE3, FONT_24X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( "FUEL" , 0,  LINE4, FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( "CRZ/WIND"   , 40*12, LINE4, FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
        
-    display.graphic_string( "0.0" , 0,  LINE5, FONT_24X34, WHITE, 1, 1 );
-    display.graphic_string( "000$ /---" , 15*24,  LINE5, FONT_24X34, WHITE, 1, 1 );
+    display.graphic_string( "0.0" , 0,  LINE5, FONT_24X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( "000$ /---" , 15*24,  LINE5, FONT_24X34, WHITE, TEXT_SCALE, TEXT_SCALE );
   
-    display.graphic_string( "ZFW" , 0,  LINE6, FONT_12X34, WHITE, 1, 1 );
-    display.graphic_string( "___._ " , 0,  LINE7, FONT_24X34, WHITE, 1, 1 );
+    display.graphic_string( "ZFW" , 0,  LINE6, FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( "___._ " , 0,  LINE7, FONT_24X34, WHITE, TEXT_SCALE, TEXT_SCALE );
   
-    display.graphic_string( "RESERVES" , 0,  LINE8, FONT_12X34, WHITE, 1, 1 );
-    display.graphic_string( "__._ " , 0,  LINE9, FONT_24X34, WHITE, 1, 1 );
+    display.graphic_string( "RESERVES" , 0,  LINE8, FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( "__._ " , 0,  LINE9, FONT_24X34, WHITE, TEXT_SCALE, TEXT_SCALE );
        
-    display.graphic_string( "COST INDEX" , 0,  LINE10, FONT_12X34, WHITE, 1, 1 );
-    display.graphic_string( "TRANS ALT"   , 39*12, LINE10, FONT_12X34, WHITE, 1, 1 );
+    display.graphic_string( "COST INDEX" , 0,  LINE10, FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( "TRANS ALT"   , 39*12, LINE10, FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
     
-    display.graphic_string( "___" , 0,  LINE11, FONT_24X34, WHITE, 1, 1 );
-    display.graphic_string( "_____"     , 19*24, LINE11, FONT_24X34, WHITE, 1, 1 );
+    display.graphic_string( "___" , 0,  LINE11, FONT_24X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( "_____"     , 19*24, LINE11, FONT_24X34, WHITE, TEXT_SCALE, TEXT_SCALE );
   
-    display.graphic_string( "------------------------------------------------"   , 0, LINE12, FONT_12X34, WHITE, 1, 1 );
+    display.graphic_string( "------------------------------------------------"   , 0, LINE12, FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
  
-    display.graphic_string( "<INDEX" , 0,  LINE13, FONT_24X34, WHITE, 1, 1 );
-    display.graphic_string( "N1 LIMIT>"     , 15*24, LINE13, FONT_24X34, WHITE, 1, 1 );
+    display.graphic_string( "<INDEX" , 0,  LINE13, FONT_24X34, WHITE, TEXT_SCALE, TEXT_SCALE );
+    display.graphic_string( "N1 LIMIT>"     , 15*24, LINE13, FONT_24X34, WHITE, TEXT_SCALE, TEXT_SCALE );
   
-    display.graphic_string( "SCRATCHPAD DATA LINE", centertext("SCRATCHPAD DATA LINE", 24, LARGECHAR) , LINE14, FONT_24X34, RED, 1, 1 );
-   
+    display.graphic_string( "SCRATCHPAD DATA LINE", centertext("SCRATCHPAD DATA LINE", 24, LARGECHAR) , LINE14, FONT_24X34, RED, TEXT_SCALE, TEXT_SCALE ); 
+}
+ 
+ void CDU_Waiting()
+{
+    display.cls();
+    display.graphic_string( "WAITING" , 0,  LINE1, FONT_12X34, WHITE, TEXT_SCALE, TEXT_SCALE );
 }
  
 void  CDU_displayclear(){

--- a/display.h	Thu Sep 25 11:34:21 2014 +0000
+++ b/display.h	Fri Oct 10 18:23:36 2014 +0000
@@ -4,6 +4,8 @@
 #define VGA_EXT 1   //loop through external VGA screen from DB9 connector to display
 #define VGA_ON  0   //switch VGA on
 #define VGA_OFF 1   //switch VGA off
+
+#define TEXT_SCALE 2
  
 //LINE and pixel definitions
 #define LINE1 0 

--- a/keyboard.h	Thu Sep 25 11:34:21 2014 +0000
+++ b/keyboard.h	Fri Oct 10 18:23:36 2014 +0000
@@ -1,5 +1,5 @@
 /*Backlighting scale factor*/
- #define BGL_SCALE              5 //Percentage between 0 and 100
+ #define BGL_SCALE              50 //Percentage between 0 and 100
  
 /* Keyboard TCA8418 declarations */
  

--- a/main.cpp	Thu Sep 25 11:34:21 2014 +0000
+++ b/main.cpp	Fri Oct 10 18:23:36 2014 +0000
@@ -6,13 +6,15 @@
 #include "mbed.h"
 #include "MODSERIAL.h"
 #include "mbos.h"
-#include "mbos_def2.h"   // : Mbos tasks, timer and resource definitions
+#include "mbos_def3.h"   // : Mbos tasks, timer and resource definitions
 #include "pins.h"
 
 // Setup USB communication defined by Mbed USB TX and RX lines
 // with TX and RX ringbuffers :
-MODSERIAL USB(USBTX, USBRX, 256, 1024);
+MODSERIAL USB(USBTX, USBRX, 256, 2048);
 DigitalOut alive_led( HEARTBEAT ); // : LED 1 on Mbed board toggles when CDU is alive
+DigitalOut PWR_led( PWR_ON );      // : LED 4 on Mbed board is ON when external power applied to board
+InterruptIn PWR_MON( PWR_IN );     // : Power monitor: input is connected to +5V and indirect to +12V
 
 //void test_update_flags(); // << for testing only << !!!!!!!
 
@@ -51,11 +53,14 @@
 void CDU_ScreenAlign(void);
 void CDU_StartScreen(void);
 void CDU_LogoScreen(void);
+void CDU_Waiting(void);
 void CDU_TVSCreen(void);
 void CDU_Page(void);
 void CDU_DSP_CSS(void);
 void CDU_displayclear(void);
 
+void CDU_BOOT();    //reboot CDU
+
 //------ USB buffer overflow interrupt handling: -------------
 void rx_buf_overflow(MODSERIAL_IRQ_INFO *q)
 {   // This functiom will be called when RX buffer overflows.
@@ -80,8 +85,51 @@
     USB.attach(&tx_buf_overflow, MODSERIAL::TxOvIrq); // : attach function to call when USB TX buffer overflows
 }
 
+char CheckExtPower()
+{
+    char ExtPower =0;
+    
+    ExtPower = PWR_MON; //check on power input: if +5V is ON return 1 else 0
+    PWR_led=1;
+    alive_led=1;
+    wait_ms(100);
+    PWR_led=0;
+    alive_led=0;
+    wait_ms(100);
+    PWR_led=PWR_MON;
+
+    return ExtPower;
+}
+
+void EXT_PWR_DN()
+{
+    //external power failed, reboot CDU after power up
+    while (! CheckExtPower()); //wait for power up....
+    CDU_BOOT();
+}
+
 main() // : MBOS main() 
 {
+    /* Check for a valid external power flag during boot sequence
+       When no external power is applied the VGA board and Keyboard chip are not operational
+       After initialization disconnecting external power will trigger interrupt to reboot.
+    */    
+    char PWR_OK=0;
+    
+    PWR_MON.mode( PullDown );    //create a solid 0 when no external power supplied
+    PWR_MON.fall(&EXT_PWR_DN);   //Bind function to handle interrupt when external power fails 
+         
+    PWR_OK = PWR_MON;        //use as boot flag           
+
+    if (! PWR_OK )
+    {
+        while (! CheckExtPower() );   //wait for external power to come up
+        CDU_BOOT();
+    }
+ 
+    PWR_led = PWR_MON ;          //switch on LED for external power indicator
+ 
+       
     init_USB();  // : setup USB communication to FS
      
     // CDU keyboard initialisation and keyboard interrrupt setup:
@@ -92,10 +140,11 @@
     // CDU display initialisation:
     CDU_InitDisplay();
     //CDU_StartScreen();
-    CDU_LogoScreen();
+    //CDU_LogoScreen();
     wait(0.2);
     //CDU_Page();
-    CDU_ScreenAlign();
+    //CDU_ScreenAlign();
+    CDU_Waiting();
             
     set_initial_data(); //: fill FS datastructures with initial data
 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbos_def3.h	Fri Oct 10 18:23:36 2014 +0000
@@ -0,0 +1,64 @@
+/* // File: mbos_def3.h
+/  New priority for testing communication crash
+/
+/  Also changed: input buffer 1024-2048 bytes in main.cpp
+/
+/
+#define RECEIVE_DECODE_TASK_PRIO        80->95  // : highest
+#define CDU_DSP_CSS_TASK_PRIO           95->90
+#define SEND_KEYMESSAGE_TASK_PRIO       90->80
+#define ALIVE_TASK_PRIO                 50              deze zo houden maar
+#define READ_POT_TASK_PRIO              40  // : lowest priority       deze zo houden maar
+*/ 
+// File: mbos_def2.h
+// L. van der Kolk, ELVEDEKA, Holland
+
+// -------------- Mbos definitions for CDU -------------------------------------------
+// MBOS TASKS:
+// ALIVE_TASK properties:
+#define ALIVE_TASK_ID             1
+#define ALIVE_TASK_PRIO          50
+#define ALIVE_TASK_STACK_SZ     100    
+// READ_POT_TASK properties: 
+#define READ_POT_TASK_ID            4       
+#define READ_POT_TASK_PRIO         40  // : lowest priority    
+#define READ_POT_TASK_STACK_SZ    100
+// RECEIVE_DECODE_TASK properties:
+#define RECEIVE_DECODE_TASK_ID         2
+#define RECEIVE_DECODE_TASK_PRIO      95  
+#define RECEIVE_DECODE_TASK_STACK_SZ  256  
+// SEND_KEYMESSAGE_TASK properties:
+#define SEND_KEYMESSAGE_TASK_ID         3
+#define SEND_KEYMESSAGE_TASK_PRIO      80
+#define SEND_KEYMESSAGE_TASK_STACK_SZ 256 
+// CDU_DSP_CSS_TASK properties: 
+#define CDU_DSP_CSS_TASK_ID            5
+#define CDU_DSP_CSS_TASK_PRIO         90  // : highest priority !
+#define CDU_DSP_CSS_TASK_STACK_SZ    512
+
+// MBOS TIMERS:
+// ALIVE_TIMER properties:
+#define ALIVE_TIMER_ID               1
+#define ALIVE_TIMER_PERIOD        5000   // = 5 sec
+// READ_POT_TIMER properties: 
+#define READ_POT_TIMER_ID            2   
+#define READ_POT_TIMER_PERIOD      100   // = 100msec scan time
+// DECODE_TIMER properties:
+#define DECODE_TIMER_ID              3   
+#define DECODE_TIMER_PERIOD         50   // = 50msec scan time   
+
+// MBOS EVENTS:
+#define ALIVE_EVENT             1      
+#define DECODE_TIMER_EVENT      2   
+#define KEY_EVENT               4 
+#define READ_POT_TIMER_EVENT    8   
+#define FS_DATA_EVENT          16    
+
+// MBOS RESOURCES:
+// NOTE: priority should be higher than that of any task which will access the resource !
+#define USB_TX_RESOURCE     2       // : for locking USB TX buffer
+#define USB_TX_PRIO         99      // : USB TX buffer resource priority 
+#define FS_DATA_RESOURCE    1       // : for locking FS data structures
+#define FS_DATA_PRIO        97      // : FS data resource priority 
+
+// -------------------------------------------------------------------------------------------  
\ No newline at end of file

--- a/pins.h	Thu Sep 25 11:34:21 2014 +0000
+++ b/pins.h	Fri Oct 10 18:23:36 2014 +0000
@@ -52,6 +52,11 @@
 
     //DigitalOut Key_led(LED2); // : LED 2 on Mbed board toggles when CDU key is pressed
     #define KEY_PRESSED         LED2
+
+    #define PWR_IN              p6   //This pin is connected to the +5V and is 1 when external power is applied
+                                     //Level transition from 1->0 indicates an external power failure
+    #define PWR_ON              LED4 //monitor of external power and reboot CDU after 1-0-1 state change
+        
     #endif
 
 
@@ -106,6 +111,11 @@
 
     //DigitalOut Key_led(LED2); // : LED 2 on Mbed board toggles when CDU key is pressed
     #define KEY_PRESSED         LED2
+
+    #define PWR_IN              p6   //This pin is connected to the +5V and is 1 when external power is applied
+                                     //Level transition from 1->0 indicates an external power failure
+    #define PWR_ON              LED4 //monitor of external power and reboot CDU after 1-0-1 state change
+        
     #endif
 
 #endif
\ No newline at end of file

--- a/screen_handler.cpp	Thu Sep 25 11:34:21 2014 +0000
+++ b/screen_handler.cpp	Fri Oct 10 18:23:36 2014 +0000
@@ -109,7 +109,7 @@
                                     nLine2Pixel( nLine ),                                 //Vertical position
                                     SELKEY_MAINTEXT[Key_Maintext_Update].font_size,        //Font
                                     cRGB( SELKEY_MAINTEXT[Key_Maintext_Update].text_RED ,SELKEY_MAINTEXT[Key_Maintext_Update].text_GREEN ,SELKEY_MAINTEXT[Key_Maintext_Update].text_BLUE ),
-                                    1, 1 );
+                                    TEXT_SCALE, TEXT_SCALE );
           
  
             Key_Maintext_Update = -1;
@@ -154,7 +154,7 @@
                                     nLine2Pixel( nLine ),                              //Vertical position
                                     SELKEY_SUBTEXT[Key_Subtext_Update].font_size,      //Font
                                     cRGB( SELKEY_SUBTEXT[Key_Subtext_Update].text_RED ,SELKEY_SUBTEXT[Key_Subtext_Update].text_GREEN ,SELKEY_SUBTEXT[Key_Subtext_Update].text_BLUE ),
-                                    1, 1 ); //multiplier always on 1
+                                    TEXT_SCALE, TEXT_SCALE ); //multiplier always on 1
             Key_Subtext_Update = -1;
         }
       
@@ -166,7 +166,7 @@
                                     nLine2Pixel( Text_Line_Update ),                        //Vertical position
                                     TEXTLINE[Text_Line_Update].font_size,      //Font
                                     cRGB( TEXTLINE[Text_Line_Update].text_RED ,TEXTLINE[Text_Line_Update].text_GREEN ,TEXTLINE[Text_Line_Update].text_BLUE ),
-                                    1, 1 ); //multiplier always on 1
+                                    TEXT_SCALE, TEXT_SCALE ); //multiplier always on 1
             Text_Line_Update = 0;
         }