mirror of
https://github.com/Keychron/qmk_firmware.git
synced 2024-12-29 12:48:52 +06:00
800ec55dfc
* redo make args to use colons, better folder structuring system [skip ci] * don't put spaces after statements - hard lessons in makefile development * fix-up some other rules.mk * give travis a chance * reset KEYMAPS variable * start converting keyboards to new system * try making all with travis * redo make args to use colons, better folder structuring system [skip ci] * don't put spaces after statements - hard lessons in makefile development * fix-up some other rules.mk * give travis a chance * reset KEYMAPS variable * start converting keyboards to new system * try making all with travis * start to update readmes and keyboards * look in keyboard directories for board.mk * update visualizer rules * fix up some other keyboards/keymaps * fix arm board ld includes * fix board rules * fix up remaining keyboards * reset layout variable * reset keyboard_layouts * fix remainging keymaps/boards * update readmes, docs * add note to makefile error * update readmes * remove planck keymap warnings * update references and docs * test out tarvis build stages * don't use stages for now * don't use stages for now
92 lines
4.7 KiB
Markdown
92 lines
4.7 KiB
Markdown
# Frequently Asked Build Questions
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This page covers questions about building QMK. If you have not yet you should read the [Build Environment Setup](getting_started_build_tools.md) and [Make Instructions](make_instructions.md) guides.
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## Can't program on Linux
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You will need proper permission to operate a device. For Linux users see udev rules below. Easy way is to use `sudo` command, if you are not familiar with this command check its manual with `man sudo` or this page on line.
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In short when your controller is ATMega32u4,
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$ sudo dfu-programmer atmega32u4 erase --force
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$ sudo dfu-programmer atmega32u4 flash your.hex
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$ sudo dfu-programmer atmega32u4 reset
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or just
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$ sudo make <keyboard>:<keymap>:dfu
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But to run `make` with root privilege is not good idea. Use former method if possible.
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## WINAVR is obsolete
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It is no longer recommended and may cause some problem.
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See [TMK Issue #99](https://github.com/tmk/tmk_keyboard/issues/99).
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## USB VID and PID
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You can use any ID you want with editing `config.h`. Using any presumably unused ID will be no problem in fact except for very low chance of collision with other product.
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Most boards in QMK use `0xFEED` as the vendor ID. You should look through other keyboards to make sure you pick a unique Product ID.
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Also see this.
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https://github.com/tmk/tmk_keyboard/issues/150
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You can buy a really unique VID:PID here. I don't think you need this for personal use.
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- http://www.obdev.at/products/vusb/license.html
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- http://www.mcselec.com/index.php?page=shop.product_details&flypage=shop.flypage&product_id=92&option=com_phpshop&Itemid=1
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## Linux udev rules
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On Linux you need proper privilege to access device file of MCU, you'll have to use `sudo` when flashing firmware. You can circumvent this with placing these files in `/etc/udev/rules.d/`.
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**/etc/udev/rules.d/50-atmel-dfu.rules:**
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```
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# Atmel ATMega32U4
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SUBSYSTEMS=="usb", ATTRS{idVendor}=="03eb", ATTRS{idProduct}=="2ff4", MODE:="0666"
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# Atmel USBKEY AT90USB1287
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SUBSYSTEMS=="usb", ATTRS{idVendor}=="03eb", ATTRS{idProduct}=="2ffb", MODE:="0666"
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# Atmel ATMega32U2
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SUBSYSTEMS=="usb", ATTRS{idVendor}=="03eb", ATTRS{idProduct}=="2ff0", MODE:="0666"
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```
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**/etc/udev/rules.d/52-tmk-keyboard.rules:**
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```
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# tmk keyboard products https://github.com/tmk/tmk_keyboard
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SUBSYSTEMS=="usb", ATTRS{idVendor}=="feed", MODE:="0666"
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```
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## Cortex: cstddef: No such file or directory
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GCC 4.8 of Ubuntu 14.04 had this problem and had to update to 4.9 with this PPA.
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https://launchpad.net/~terry.guo/+archive/ubuntu/gcc-arm-embedded
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https://github.com/tmk/tmk_keyboard/issues/212
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https://github.com/tmk/tmk_keyboard/wiki/mbed-cortex-porting#compile-error-cstddef
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https://developer.mbed.org/forum/mbed/topic/5205/
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## 'clock_prescale_set' and 'clock_div_1' not available
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Your toolchain is too old to support the MCU. For example WinAVR 20100110 doesn't support ATMega32u2.
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```
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Compiling C: ../../tmk_core/protocol/lufa/lufa.c
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avr-gcc -c -mmcu=atmega32u2 -gdwarf-2 -DF_CPU=16000000UL -DINTERRUPT_CONTROL_ENDPOINT -DBOOTLOADER_SIZE=4096 -DF_USB=16000000UL -DARCH=ARCH_AVR8 -DUSB_DEVICE_ONLY -DUSE_FLASH_DESCRIPTORS -DUSE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)" -DFIXED_CONTROL_ENDPOINT_SIZE=8 -DFIXED_NUM_CONFIGURATIONS=1 -DPROTOCOL_LUFA -DEXTRAKEY_ENABLE -DCONSOLE_ENABLE -DCOMMAND_ENABLE -DVERSION=unknown -Os -funsigned-char -funsigned-bitfields -ffunction-sections -fdata-sections -fno-inline-small-functions -fpack-struct -fshort-enums -fno-strict-aliasing -Wall -Wstrict-prototypes -Wa,-adhlns=obj_alps64/protocol/lufa/lufa.lst -I. -I../../tmk_core -I../../tmk_core/protocol/lufa -I../../tmk_core/protocol/lufa/LUFA-git -I../../tmk_core/common -std=gnu99 -include config.h -MMD -MP -MF .dep/obj_alps64_protocol_lufa_lufa.o.d ../../tmk_core/protocol/lufa/lufa.c -o obj_alps64/protocol/lufa/lufa.o
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../../tmk_core/protocol/lufa/lufa.c: In function 'setup_mcu':
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../../tmk_core/protocol/lufa/lufa.c:575: warning: implicit declaration of function 'clock_prescale_set'
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../../tmk_core/protocol/lufa/lufa.c:575: error: 'clock_div_1' undeclared (first use in this function)
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../../tmk_core/protocol/lufa/lufa.c:575: error: (Each undeclared identifier is reported only once
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../../tmk_core/protocol/lufa/lufa.c:575: error: for each function it appears in.)
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make: *** [obj_alps64/protocol/lufa/lufa.o] Error 1
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```
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## BOOTLOADER_SIZE for AVR
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Note that Teensy2.0++ bootloader size is 2048byte. Some Makefiles may have wrong comment.
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```
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# Boot Section Size in *bytes*
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# Teensy halfKay 512
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# Teensy++ halfKay 2048
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# Atmel DFU loader 4096 (TMK Alt Controller)
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# LUFA bootloader 4096
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# USBaspLoader 2048
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OPT_DEFS += -DBOOTLOADER_SIZE=2048
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```
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