Update lamp test to not show on menu for unimplemented hosts

Altair8800.ino

@@ -1662,8 +1662,10 @@ void setup()
 
   // if EXAMINE switch is held up during powerup then show host system info
   if( host_read_function_switch(SW_EXAMINE) )
+    {
     host_system_info();
-
+    host_lamp_test(1);
+    }
   // emulator extra: holding down CLR at powerup will keep all registers
   // and memory content initialized with 0. Otherwise (as would be normal 
   // with the Altair), everything is random.

config.cpp

@@ -3102,6 +3102,7 @@ void config_edit()
           Serial.print(F("Pro(c)essor                 : ")); print_cpu(); Serial.println(); r_cpu = row++;
 #endif
           Serial.print(F("Aux1 shortcut program (u/U) : ")); print_aux1_program(); Serial.println(); r_aux1 = row++;
+          if (host_lamp_test(0)) { Serial.print(F("Lamp test (*)")); Serial.println(); row++;  }
           Serial.print(F("Configure host (s)erial     : ")); 
 #if HOST_NUM_SERIAL_PORTS>1
           Serial.print(F("Primary: ")); 
@@ -3119,7 +3120,6 @@ void config_edit()
           row+=2;
           Serial.println(); 
           Serial.print(F("(E) Configure serial cards  : ")); print_mapped_serial_cards(); Serial.println(F(" mapped")); row++;
-
 #if USE_PRINTER>0
           Serial.print(F("(P) Configure printer       : ")); 
           print_printer_type();
@@ -3171,6 +3171,9 @@ void config_edit()
       redraw = true;
       switch( c )
         {
+        case '*':
+        host_lamp_test(1);
+        break;
 #if USE_Z80==2
         case 'c': 
           config_flags2 = toggle_bits(config_flags2, 21, 1); 

host.h

@@ -87,6 +87,7 @@ void host_storage_invalidate();
 // miscellaneous
 void host_copy_flash_to_ram(void *dst, const void *src, uint32_t len);
 uint32_t host_get_random();
+int host_lamp_test(int);  // 0 for test if implemented (returns 1); 1 for test lamps (returns 0) ;
 void host_system_info();
 void host_setup();
 

host_due.cpp

@@ -759,7 +759,7 @@ const char *host_filesys_dir_nextfile(File &d)
         {
           if( entry.isFile() )
             {
-              entry.getSFN(buffer);
+              entry.getSFN(buffer,sizeof(buffer));
               entry.close();
               return buffer;
             }
@@ -1752,6 +1752,38 @@ uint32_t host_get_random()
   return (uint32_t) trng_read_output_data(TRNG);
 }
 
+static uint32_t lamppins[]=
+    { 12, 13, 9, 8, 7, 6, 5, 4, 3, 2, 11, 29, 15, 14, 28, 27, 26, 25, 10, 22, 44, 45, 46, 47, 48, 49, 50, 51, 41, 40, 39, 38, 37, 36, 35, 34 };  // DUE
+
+#define LAMPCT (sizeof(lamppins)/sizeof(lamppins[0]))
+
+int host_lamp_test(int cmd)  
+{
+  unsigned i,j=0;
+  int lastpin=-1;
+  if (cmd==0) return 1;
+  Serial.println();
+  Serial.println("Lamp test in progress...");
+  for (i=0;i<LAMPCT;i++)   // all on
+    digitalWrite(lamppins[i],HIGH);
+  delay(10000);     // 10s
+  for (i=0;i<LAMPCT;i++)  // all off
+    digitalWrite(lamppins[i],LOW);
+  for (i=0;i<LAMPCT*2;i++)  // go forward and backward
+  {
+    if (lastpin!=-1) digitalWrite(lamppins[lastpin],LOW);  // turn off last light
+    if (j==LAMPCT) j--;   // adjust for bounce at the end
+    digitalWrite(lamppins[j],HIGH);   // light it up
+    lastpin=j;   // remember which one to turn off next time
+    if (i>=LAMPCT) j--; else j++;  // left or right
+    delay(250);
+  }  
+  digitalWrite(lamppins[0],LOW);  // turn off the last one
+  // good place to stick one or more on for extended troubleshooting
+  //digitalWrite(44,HIGH);
+  return 0;
+}
+
 
 #include <malloc.h>
 extern char _end;

host_mega.cpp

@@ -371,6 +371,7 @@ void host_system_info()
   Serial.print(F("Free RAM         : ")); Serial.println(SP - heapend);
 }
 
+int host_lamp_test(int cmd) { return 0; };
 
 void host_setup()
 {

host_pc.cpp

@@ -933,6 +933,8 @@ bool host_serial_port_has_configs(byte i)
   return false;
 }
 
+int host_lamp_test(int cmd) { return 0; };
+
 
 // ----------------------------------------------------------------------------------------------------
 

host_teensy36.cpp

@@ -501,6 +501,8 @@ bool host_filesys_ok()
   return use_sd;
 }
 
+int host_lamp_test(int cmd) { return 0; };
+
 
 //------------------------------------------------------------------------------------------------------