From e7af17fec9c7fe4baa87b1ae19b273c03cefec7a Mon Sep 17 00:00:00 2001 From: tmk Date: Mon, 9 Sep 2019 12:10:15 +0900 Subject: [PATCH] ps2_usb: Update README --- converter/ps2_usb/README.md | 54 ++++++++++++++++++++++--------------- 1 file changed, 33 insertions(+), 21 deletions(-) diff --git a/converter/ps2_usb/README.md b/converter/ps2_usb/README.md index 1ad28589..9b4585d3 100644 --- a/converter/ps2_usb/README.md +++ b/converter/ps2_usb/README.md @@ -2,17 +2,14 @@ PS/2 to USB keyboard converter ============================== This firmware converts PS/2 keyboard protocol to USB.(It supports Scan Code Set 2.) +You can discuss about this converter here. -Connect Wires -------------- -1. Connect **Vcc** and **GND**. -2. Connect **Clock** and **Data** line. - - **Interrupt**: **Clock** is on `PD1` and **Data** on `PD0`.(Recommended. Soarer's converter compatible) - - **Busywait**: **Clock** is on `PD1` and **Data** on `PD0`. - - **USART**: **Clock** is on `PD5` and **Data** on `PD2`. -3. You need pull-up resistors. 1K-10K Ohm would be fine. +https://geekhack.org/index.php?topic=14618.0 + + +Preassembled TMK PS/2-USB converter is available here. -To change pin configuration edit **config.h** and **Makefile**. +https://geekhack.org/index.php?topic=72052.0 Build Firmware @@ -27,32 +24,47 @@ To program firmware push the button on converter and run: $ make -f Makefile.rev2 KEYMAP=plain dfu -- For **TMK converter Rev.1** use `make -f Makefile.rev1` instead. -- To select keymap use `jis`, `spacefn` or your own in place of `plain`. +For **TMK converter Rev.1** use `Makefile.rev1` instead. + +If your use DIY converter with ATMega32u4 board you can use `Makefile.32u4`, but note that progarmming with 'dfu' may not work for your converter. + + +Build your own converter +------------------------ +Use ATMega32u4 as controller and Makefile.32u4 to build firmware. + +1. Wire **Vcc** and **GND** properly. +2. Connect **Clock** to `PD1` and **Data** to `PD0` line. (Compatible to Soarer's converter pin configuration) +3. You need pull-up resistors on both signal lines. 1K-10K Ohm would be fine. + +You can configure controller and pin configurations in Makefile and config.h. Keymap ------ -Several version of keymap are available in advance but you are recommended to define your favorite layout yourself. To define your own keymap create file named `keymap_.c` and see keymap document(you can find in README.md of top directory) and existent keymap files. +To define your own keymap copy `unimap_plain.c` to `unimap_.c` and edit it. Or just edit `unimap_plain.c` directly. + +See wiki pages and documents. + +https://github.com/tmk/tmk_keyboard/wiki PS/2 signal handling implementations ------------------------------------ -Following three methods can be used to implement PS/2 signal handling. +Following three methods are available to implement PS/2 signal handling. + +- **Interrupt** Uses pin interrupt to detect falling edge of clock line. **Recommended.** (ps2_interrupt.c) +- **Busywait** Implementation with portable C code for reference. (ps2_busywait.c) +- **USART** Uses AVR USART hardware engine to receive PS/2 signal. You must use this fothis for V-USB. (ps2_usart.c) -### Simple and stupid busy-wait(ps2_busywait.c) - This is expected to implemented with portable C code for reference. -### Interrupt driven(ps2_interrupt.c) - Uses pin interrupt to detect falling edge of clock line. -### USART hardware module(ps2_usart.c) - Uses AVR USART engine to receive PS/2 signal. +TMK converter rev1 uses **USART** and rev2 uses **Interrupt** for reference. -To select method edit Makefile. +You can change method by editing `Makefile` but not needed in most case. V-USB Support ------------- -With V-USB you can use this converter on ATmega(168/328) but it doesn't support NKRO at this time. +With V-USB you can use this converter on ATmega(168/328). Use Makefile.vusb to build firmeware. Not supported actively anymore. Circuit: -- 2.46.2