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Simon Arlott 0a1bf7f6aa
Support using a timer for wait_us() on ChibiOS-based boards (#12211) 
* Support using a timer for wait_us() on ChibiOS-based boards (#12198)

There are spare GPT timers that can be used to get a more accurate
wait_ms() time. This is required for the matrix scan unselect delay (30µs)
to be shorter than the system tick rate of 100µs.

This is limited to the maximum GPT duration of 65535 so values above that
will automatically use the previous implementation based on the system
tick.

Using a specific timer means it can't be shared by another thread at the
same time so when wait_us() is called from anything other than the main
thread it will use the system tick implementation too.

* Update tmk_core/common/chibios/wait.c

* Update tmk_core/common/chibios/wait.c

Co-authored-by: Joel Challis <git@zvecr.com>
 		2021-08-20 00:31:23 +01:00
..
common Support using a timer for wait_us() on ChibiOS-based boards (#12211) 2021-08-20 00:31:23 +01:00
protocol Move USB Host Shield and Arduino core to `lib/` (#13973) 2021-08-18 18:20:25 +10:00
arm_atsam.mk
…
avr.mk Relocate platform specific drivers (#13894) 2021-08-17 23:43:09 +01:00
chibios.mk Support using a timer for wait_us() on ChibiOS-based boards (#12211) 2021-08-20 00:31:23 +01:00
common.mk Migrate platform independent code from tmk_core -> quantum (#13673) 2021-08-18 00:18:58 +01:00
native.mk Fixes for clang not being able to run unit tests (#13546) 2021-08-18 07:12:12 +10:00
protocol.mk
…
readme.md
…
rules.mk Fixes for clang not being able to run unit tests (#13546) 2021-08-18 07:12:12 +10:00

readme.md

TMK Keyboard Firmware Core Library

This is a keyboard firmware library with some useful features for Atmel AVR and Cortex-M.

Source code is available here: https://github.com/tmk/tmk_keyboard/tree/master/tmk_core

Updates

2016/02/10

flabbergast's Chibios protocol was merged from https://github.com/flabbergast/tmk_keyboard/tree/chibios. See protocol/chibios/README.md. Chibios protocol supports Cortex-M such as STM32 and Kinetis.

2015/04/22

separated with TMK Keyboard Firmware Collection

Features

These features can be used in your keyboard.

  • Multi-layer Keymap - Multiple keyboard layouts with layer switching
  • Mouse key - Mouse control with keyboard
  • System Control Key - Power Down, Sleep, Wake Up and USB Remote Wake up
  • Media Control Key - Volume Down/Up, Mute, Next/Prev track, Play, Stop and etc
  • USB NKRO - 248 keys(+ 8 modifiers) simultaneously
  • PS/2 mouse support - PS/2 mouse(TrackPoint) as composite device
  • Keyboard protocols - PS/2, ADB, M0110, Sun and other old keyboard protocols
  • User Function - Customizable function of key with writing code
  • Macro - Very primitive at this time
  • Keyboard Tricks - Oneshot modifier and modifier with tapping feature
  • Debug Console - Messages for debug and interaction with firmware
  • Virtual DIP Switch - Configurations stored EEPROM(Boot Magic)
  • Locking CapsLock - Mechanical switch support for CapsLock
  • Breathing Sleep LED - Sleep indicator with charm during USB suspend
  • Backlight - Control backlight levels

TMK Keyboard Firmware Collection

Complete firmwares for various keyboards and protocol converters.

https://github.com/tmk/tmk_keyboard

License

GPLv2 or later. Some protocol files are under Modified BSD License. ChibiOS, LUFA and V-USB stack have their own license respectively.

Build Firmware and Program Controller

See doc/build.md.

Start Your Own Project

TBD

Config.h Options

1. USB vendor/product ID and device description

#define VENDOR_ID       0xFEED
#define PRODUCT_ID      0xBEEF
#define MANUFACTURER    t.m.k.
#define PRODUCT         Macway mod

2. Keyboard matrix configuration

#define MATRIX_ROWS 8
#define MATRIX_COLS 8
#define MATRIX_HAS_GHOST

Architecture

Architecture Diagram
                           +---------------+---------------+-------------+
                           |    Host       |   Keyboard    | Matrix, LED |
   ___________             |-----------+-+ +-------------+ | +-----------|
  /          /| Keys/Mouse | Protocol  |d| | Action      | | | Protocol  |
 /__________/ |<-----------|  LUFA     |r| |  Layer, Tap | | |  Matrix   |
 |.--------.| |   LED      |  V-USB    |i| |-------------| | |  PS/2,IBM |             __________________
 ||        || |----------->|  UART     |v| | Keymap      | | |  ADB,M0110|  Keys      / /_/_/_/_/_/_/_/ /|
 ||  Host  || |  Console   |           |e| | Mousekey    | | |  SUN/NEWS |<----------/ /_/_/_/_/_/_/_/ / /
 ||________||/.<-----------|           |r| | Report      | | |  X68K/PC98| Control  / /_/_/_/_/_/_/_/ / /
 `_========_'/|            |---------------------------------------------|-------->/___ /_______/ ___/ /
 |_o______o_|/             | Sendchar, Print, Debug, Command, ...        |         |_________________|/
                           +---------------------------------------------+              Keyboard

Debugging

Use PJRC's hid_listen to see debug messages. You can use the tool for debug even if firmware use LUFA stack.

You can use xprintf() to display debug info on hid_listen, see common/xprintf.h.

Files and Directories

Top

  • common/ - common codes
  • protocol/ - keyboard protocol support
  • doc/ - documents
  • common.mk - Makefile for common
  • protocol.mk - Makefile for protocol
  • rules.mk - Makefile for build rules

Common

  • host.h
  • host_driver.h
  • keyboard.h
  • command.h
  • keymap.h
  • action.h
  • keycode.h
  • matrix.h
  • led.h
  • mousekey.h
  • report.h
  • debug.h
  • print.h
  • bootloader.h
  • sendchar.h
  • timer.h
  • util.h

Keyboard Protocols

  • lufa/ - LUFA USB stack
  • vusb/ - Objective Development V-USB
  • ps2.c - PS/2 protocol
  • adb.c - Apple Desktop Bus protocol
  • m0110.c - Macintosh 128K/512K/Plus keyboard protocol
  • news.c - Sony NEWS keyboard protocol
  • x68k.c - Sharp X68000 keyboard protocol
  • serial_soft.c - Asynchronous Serial protocol implemented by software

Coding Style

  • Doesn't use Tab to indent, use 4-spaces instead.