1 # Copyright 2017 Jack Humbert
3 # This program is free software: you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation, either version 2 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
16 # If it's possible that multiple bootloaders can be used for one project,
17 # you can leave this unset, and the correct size will be selected
20 # Sets the bootloader defined in the keyboard's/keymap's rules.mk
24 # caterina Pro Micro (Sparkfun/generic)
25 # atmel-dfu Atmel factory DFU
27 # qmk-dfu QMK DFU (LUFA + blinkenlight)
28 # bootloadHID HIDBootFlash compatible (ATmega32A)
29 # USBasp USBaspLoader (ATmega328P)
31 # BOOTLOADER_SIZE can still be defined manually, but it's recommended
32 # you add any possible configuration to this list
34 ifeq ($(strip $(BOOTLOADER)), atmel-dfu)
35 OPT_DEFS += -DBOOTLOADER_ATMEL_DFU
36 OPT_DEFS += -DBOOTLOADER_DFU
37 ifneq (,$(filter $(MCU), at90usb646 atmega16u2 atmega16u4 atmega32u2 atmega32u4))
38 BOOTLOADER_SIZE = 4096
40 ifeq ($(strip $(MCU)), at90usb1286)
41 BOOTLOADER_SIZE = 8192
44 ifeq ($(strip $(BOOTLOADER)), lufa-dfu)
45 OPT_DEFS += -DBOOTLOADER_LUFA_DFU
46 OPT_DEFS += -DBOOTLOADER_DFU
47 ifneq (,$(filter $(MCU), at90usb646 atmega16u2 atmega16u4 atmega32u2 atmega32u4))
48 BOOTLOADER_SIZE = 4096
50 ifeq ($(strip $(MCU)), at90usb1286)
51 BOOTLOADER_SIZE = 8192
54 ifeq ($(strip $(BOOTLOADER)), qmk-dfu)
55 OPT_DEFS += -DBOOTLOADER_QMK_DFU
56 OPT_DEFS += -DBOOTLOADER_DFU
57 ifneq (,$(filter $(MCU), at90usb646 atmega16u2 atmega16u4 atmega32u2 atmega32u4))
58 BOOTLOADER_SIZE = 4096
60 ifeq ($(strip $(MCU)), at90usb1286)
61 BOOTLOADER_SIZE = 8192
64 ifeq ($(strip $(BOOTLOADER)), halfkay)
65 OPT_DEFS += -DBOOTLOADER_HALFKAY
66 ifeq ($(strip $(MCU)), atmega32u4)
69 ifeq ($(strip $(MCU)), at90usb1286)
70 BOOTLOADER_SIZE = 1024
73 ifeq ($(strip $(BOOTLOADER)), caterina)
74 OPT_DEFS += -DBOOTLOADER_CATERINA
75 BOOTLOADER_SIZE = 4096
77 ifeq ($(strip $(BOOTLOADER)), bootloadHID)
78 OPT_DEFS += -DBOOTLOADER_BOOTLOADHID
79 BOOTLOADER_SIZE = 4096
81 ifeq ($(strip $(BOOTLOADER)), USBasp)
82 OPT_DEFS += -DBOOTLOADER_USBASP
83 BOOTLOADER_SIZE = 4096
87 OPT_DEFS += -DBOOTLOADER_SIZE=$(strip $(BOOTLOADER_SIZE))