## READ FIRST
-- https://github.com/tmk/tmk_keyboard/blob/master/doc/build.md
+- https://github.com/jackhumbert/qmk_firmware/blob/master/doc/BUILD_GUIDE.md
In short,
In short when your controller is ATMega32u4,
$ sudo dfu-programmer atmega32u4 erase --force
- $ sudo dfu-programmer atmega32u4 flash hhkb_rn42.hex
+ $ sudo dfu-programmer atmega32u4 flash your.hex
$ sudo dfu-programmer atmega32u4 reset
or just
$ make clean
-then build new frimware.
+then build new firmware.
$ make [KEYMAP=...]
../../tmk_core/protocol/lufa/lufa.c:575: error: (Each undeclared identifier is reported only once
../../tmk_core/protocol/lufa/lufa.c:575: error: for each function it appears in.)
make: *** [obj_alps64/protocol/lufa/lufa.o] Error 1
+```
+
+
+## BOOTLOADER_SIZE for AVR
+Note that Teensy2.0++ bootloader size is 2048byte. Some Makefiles may have wrong comment.
+
+```
+# Boot Section Size in *bytes*
+# Teensy halfKay 512
+# Teensy++ halfKay 2048
+# Atmel DFU loader 4096 (TMK Alt Controller)
+# LUFA bootloader 4096
+# USBaspLoader 2048
+OPT_DEFS += -DBOOTLOADER_SIZE=2048
```
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