Updates bootloader settings, adds file size check (#2029)

* pull fuse settings for bootloader jump

* fix 32a chips

* make automatic bootloader selection optional

* quantify bootloaders

* fixs #164, speeds up dfu reset

* fix for chips w/o usb

* missing an n

* fix bootloader sizes, use words for addresses

* fix bmini, pearl, and [[ issue, make things quiet

* ignore avr errors on arm for now

* update settings for the light

* document bootloader stuff

* add bootloader title

keyboards/handwired/MS_sculpt_mobile/rules.mk

@@ -5,21 +5,29 @@ SRC=  babblePaste.c
 
 ifdef ASTAR
   CFLAGS=-D ASTAR
- OPT_DEFS += -DBOOTLOADER_SIZE=4096
  MCU = atmega32u4
- OPT_DEFS += -DCATERINA_BOOTLOADER
  SCULPT_UPLOAD_COMMAND = while [ ! -r $(USB) ]; do sleep 1; done ; \
 		 avrdude -p $(MCU) -c avr109 -U flash:w:$(TARGET).hex -P $(USB)
 
 else
  MCU = at90usb1286
- OPT_DEFS += -DBOOTLOADER_SIZE=2048
  SCULPT_UPLOAD_COMMAND = teensy_loader_cli -w -mmcu=$(MCU) $(TARGET).hex
 endif
 
 F_CPU = 16000000
 ARCH = AVR8
 F_USB = $(F_CPU)
+
+# Bootloader
+#     This definition is optional, and if your keyboard supports multiple bootloaders of
+#     different sizes, comment this out, and the correct address will be loaded 
+#     automatically (+60). See bootloader.mk for all options.
+ifdef ASTAR
+  BOOTLOADER = caterina
+else
+  BOOTLOADER = atmel-dfu
+endif
+
 # Interrupt driven control endpoint task(+60)
 OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT