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- README of top directory : https://github.com/tmk/tmk_keyboard/blob/master/README.md
- README of target project(keyboard/converter) directory.
Note that you'll need to read both.
When debug console of your device is not ready you will see like this:
Waiting for device:.........
once the device is pluged in then hid_listen finds it you will get this message:
Waiting for new device:.........................
Listening:
Check if you can't get this 'Listening:' message:
- build with
CONSOLE_ENABLE=yesin Makefile.
You may need privilege to access the device on OS like Linux.
- try
sudo hid_listen
Check:
- hid_listen finds your device. See above.
- Enable debug with pressing Magic+d. See Magic Commands.
- set
debug_enable=trueusually inmatrix_init()in matrix.c. - try using 'print' function instead of debug print. See common/print.h.
- disconnect other devices with console function. See Issue #97.
Just use 'sudo' to execute hid_listen with privilege.
$ sudo hid_listen
Or add an udev rule for TMK devices with placing a file in rules directory. The directory may vary on each system.
File: /etc/udev/rules.d/52-tmk-keyboard.rules(in case of Ubuntu)
# tmk keyboard products https://github.com/tmk/tmk_keyboard
SUBSYSTEMS=="usb", ATTRS{idVendor}=="feed", MODE:="0666"
First you have to compile frimware with this build option NKRO_ENABLE in Makefile.
Try Magic N command(LShift+RShift+N by default) when NKRO still doesn't work. You can use this command to toggle between NKRO and 6KRO mode temporarily. In some situations NKRO doesn't work you need to switch to 6KRO mode, in particular when you are in BIOS.
If your firmeare built with BOOTMAGIC_ENABLE you need to turn its switch on by BootMagic N command(Space+N by default). This setting is stored in EEPROM and keeped over power cycles.
https://github.com/tmk/tmk_keyboard#boot-magic-configuration---virtual-dip-switch
Without reset circuit you will have inconsistent reuslt due to improper initialize of the hardware. See circuit schematic of TPM754.
- http://geekhack.org/index.php?topic=50176.msg1127447#msg1127447
- http://www.mikrocontroller.net/attachment/52583/tpm754.pdf
Use 1UL<<16 instead of 1<<16 in read_cols() in matrix.h when your columns goes beyond 16.
In C 1 means one of int type which is 16bit in case of AVR so you can't shift left more than 15. You will get unexpected zero when you say 1<<16. You have to use unsigned long type with 1UL.
In some case converters needed to have pull-up resistors to work correctly. Place the resistor between VCC and signal line in parallel.
For example:
Keyboard Conveter
,------.
5V------+------|VCC |
| | |
R | |
| | |
Signal--+------|PD0 |
| |
GND------------|GND |
`------'
R: 1K Ohm resistor
https://github.com/tmk/tmk_keyboard/issues/71
Note that Arduino Micro PCB marking is different from real AVR port name. D0 of Arduino Micro is not PD0, PD0 is D3. Check schematic yourself. http://arduino.cc/en/uploads/Main/arduino-micro-schematic.pdf
Properly configure bootloader size in Makefile. With wrong section size bootloader won't probably start with Magic command and Boot Magic.
# Size of Bootloaders in bytes:
# Atmel DFU loader(ATmega32U4) 4096
# Atmel DFU loader(AT90USB128) 8192
# LUFA bootloader(ATmega32U4) 4096
# Arduino Caterina(ATmega32U4) 4096
# USBaspLoader(ATmega***) 2048
# Teensy halfKay(ATmega32U4) 512
# Teensy++ halfKay(AT90USB128) 2048
OPT_DEFS += -DBOOTLOADER_SIZE=4096
AVR Boot section size are defined by setting BOOTSZ fuse in fact. Consult with your MCU datasheet. Note that Word(2 bytes) size and address are used in datasheet while TMK uses Byte.
AVR Boot section is located at end of Flash memory like the followings.
byte Atmel/LUFA(ATMega32u4) byte Atmel(AT90SUB1286)
0x0000 +---------------+ 0x00000 +---------------+
| | | |
| | | |
| Application | | Application |
| | | |
= = = =
| | 32KB-4KB | | 128KB-8KB
0x6000 +---------------+ 0x1E000 +---------------+
| Bootloader | 4KB | Bootloader | 8KB
0x7FFF +---------------+ 0x1FFFF +---------------+
byte Teensy(ATMega32u4) byte Teensy++(AT90SUB1286)
0x0000 +---------------+ 0x00000 +---------------+
| | | |
| | | |
| Application | | Application |
| | | |
= = = =
| | 32KB-512B | | 128KB-2KB
0x7E00 +---------------+ 0x1FC00 +---------------+
| Bootloader | 512B | Bootloader | 2KB
0x7FFF +---------------+ 0x1FFFF +---------------+
And see this discussion for further reference. https://github.com/tmk/tmk_keyboard/issues/179
You need to define EXTRAKEY_ENABLE in makefile to use them in TMK.
EXTRAKEY_ENABLE = yes # Audio control and System control
http://deskthority.net/workshop-f7/tmk-keyboard-firmware-collection-t4478-60.html#p157919
In Windows check Allow this device to wake the computer setting in Power Management property tab of Device Manager. Also check BIOS setting.
Pressing any key during sleep should wake host.
Note that Arduino pin naming is different from actual chip. For example, Arduino pin D0 is not PD0. Check circuit with its schematics yourself.
- http://arduino.cc/en/uploads/Main/arduino-leonardo-schematic_3b.pdf
- http://arduino.cc/en/uploads/Main/arduino-micro-schematic.pdf
Arduino leonardo and micro have ATMega32U4 and can be used for TMK, though Arduino bootloader may be a problem.
You need to set JTD bit of MCUCR yourself to use PF4-7 as GPIO. Those pins are configured to serve JTAG function by default. MCUs like ATMegaU or AT90USB* are affeteced with this.
If you are using Teensy this isn't needed. Teensy is shipped with JTAGEN fuse bit unprogrammed to disable the function.
See this code.
// JTAG disable for PORT F. write JTD bit twice within four cycles.
MCUCR |= (1<<JTD);
MCUCR |= (1<<JTD);
https://github.com/tmk/tmk_keyboard/blob/master/keyboard/hbkb/matrix.c#L67
And read 26.5.1 MCU Control Register – MCUCR of ATMega32U4 datasheet.
You need your own LED indicators for CapsLock, ScrollLock and NumLock? See this post.
http://deskthority.net/workshop-f7/tmk-keyboard-firmware-collection-t4478-120.html#p191560
Push reset button and then run command like this within 8 seconds.
avrdude -patmega32u4 -cavr109 -b57600 -Uflash:w:adb_usb.hex -P/dev/ttyACM0
Device name will vary depending on your system.
http://arduino.cc/en/Main/ArduinoBoardMicro https://geekhack.org/index.php?topic=14290.msg1563867#msg1563867
I heard some people have a problem with USB 3 port, try USB 2 port.
https://geekhack.org/index.php?topic=14290.msg1884034#msg1884034
Some people reported their keyboard stops working on BIOS and/or after resume(power cycles).
As of now root of its cause is not clear but some build options seem to be related. In Makefile try to disable those options like CONSOLE_ENABLE, NKRO_ENABLE, SLEEP_LED_ENABLE and/or others.
https://github.com/tmk/tmk_keyboard/issues/266 https://geekhack.org/index.php?topic=41989.msg1967778#msg1967778
Remove current driver and reinstall one FLIP provides from DeviceManager. http://imgur.com/a/bnwzy