Merge pull request #81 from phord/09469add55

Clean up and add some trace info

Marlin/.gitignore

+*.o
+applet/

Marlin/Makefile

 build: elf hex 
 
 applet/$(TARGET).cpp: $(TARGET).pde $(MAKEFILE)
+
+applet/%.cpp: %.pde
 # Here is the "preprocessing".
 # It creates a .cpp file based with the same name as the .pde file.
 # On top of the new .cpp file comes the WProgram.h header.
 # Then the .cpp file will be compiled. Errors during compile will
 # refer to this new, automatically generated, file. 
 # Not the original .pde file you actually edit...
-	@echo "  WR    applet/$(TARGET).cpp"
-	@test -d applet || mkdir applet
-	@echo '#include "WProgram.h"' > applet/$(TARGET).cpp
-	@cat $(TARGET).pde >> applet/$(TARGET).cpp
-	@cat $(ARDUINO)/main.cpp >> applet/$(TARGET).cpp
+	@echo "  WR    $@"
+	@test -d $(dir $@) || mkdir $(dir $@)
+	@echo '#include "WProgram.h"' > $@
+	@cat $< >> $@
+	@cat $(ARDUINO)/main.cpp >> $@
 
 elf: applet/$(TARGET).elf
 hex: applet/$(TARGET).hex

Marlin/Marlin.pde

   MYSERIAL.begin(BAUDRATE);
   SERIAL_PROTOCOLLNPGM("start");
   SERIAL_ECHO_START;
+
+  // Check startup - does nothing if bootloader sets MCUSR to 0
+  byte mcu = MCUSR;
+  if(mcu & 1) SERIAL_ECHOLNPGM("PowerUp");
+  if(mcu & 2) SERIAL_ECHOLNPGM("External Reset");
+  if(mcu & 4) SERIAL_ECHOLNPGM("Brown out Reset");
+  if(mcu & 8) SERIAL_ECHOLNPGM("Watchdog Reset");
+  if(mcu & 32) SERIAL_ECHOLNPGM("Software Reset");
+  MCUSR=0;
+
   SERIAL_ECHOPGM("Marlin: ");
   SERIAL_ECHOLNPGM(VERSION_STRING);
   #ifdef STRING_VERSION_CONFIG_H