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diff --git a/docs/FAQ.md b/docs/FAQ.md new file mode 100644 index 000000000..0636d8b54 --- /dev/null +++ b/docs/FAQ.md @@ -0,0 +1,238 @@ +## READ FIRST +- **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**. + + +# Build +- [[FAQ/Build]] + + +# Keymap +- [[FAQ/Keymap]] + + +# Debug Console +## hid_listen can't recognize device +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=yes` in **Makefile**. + +You may need privilege to access the device on OS like Linux. +- try `sudo hid_listen` + +## Can't get message on console +Check: +- *hid_listen* finds your device. See above. +- Enable debug with pressing **Magic**+d. See [Magic Commands](https://github.com/tmk/tmk_keyboard#magic-commands). +- set `debug_enable=true` usually in `matrix_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](https://github.com/tmk/tmk_keyboard/issues/97). + +## Linux or UNIX like system requires Super User privilege +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" +``` + +*** + +# Miscellaneous +## NKRO Doesn't work +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 + + +## TrackPoint needs reset circuit(PS/2 mouse support) +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 + + +## Can't read column of matrix beyond 16 +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`. + +http://deskthority.net/workshop-f7/rebuilding-and-redesigning-a-classic-thinkpad-keyboard-t6181-60.html#p146279 + + + +## Pull-up Resistor +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 + + +## Arduino Micro's pin naming is confusing +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 + + + +## Bootloader jump doesn't work +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 + + +## Special Extra key doesn't work(System, Audio control keys) +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 + + +## Wakeup from sleep doesn't work +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. + + +## Using Arduino? +**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. + + +## Using PF4-7 pins of USB AVR? +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 ATMega*U* 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. + + +## Adding LED indicators of Lock keys +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 + +## Program Arduino Micro/Leonardo +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 + + +## USB 3 compatibility +I heard some people have a problem with USB 3 port, try USB 2 port. + + +## Mac compatibility +### OS X 10.11 and Hub +https://geekhack.org/index.php?topic=14290.msg1884034#msg1884034 + + +## Problem on BIOS(UEFI)/Resume(Sleep&Wake)/Power cycles +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 + + + +## FLIP doesn't work +### AtLibUsbDfu.dll not found +Remove current driver and reinstall one FLIP provides from DeviceManager. +http://imgur.com/a/bnwzy
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