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Diffstat (limited to 'converter/ibm4704_usb/README.md')
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diff --git a/converter/ibm4704_usb/README.md b/converter/ibm4704_usb/README.md new file mode 100644 index 0000000000..6541dd6d0c --- /dev/null +++ b/converter/ibm4704_usb/README.md @@ -0,0 +1,46 @@ +IBM 4704 to USB keyboard converter +================================== +This firmware converts IBM 4704 keyboard protocol to USB HID. + +Keyboard initialization process takes a few seconds at start up. During that you will hear buzzer from the keyboard. **You need to plug USB cable after hooking up your keyboard to the converter.** + + +4704 Connector +-------------- +Keyboard Plug from front: + + DSUB-9 + ------------- + \ N 2 3 4 5 / + \ N N N N / + --------- + 2 GND + 3 VCC 5V + 4 DATA + 5 CLOCK + N No connection/No pin. + + +Connection +---------- +In case of using ATMega32U4(Teensy2.0): + +1. Supply power with VCC and GND. +2. Connect CLOCK to PD1 and DATA to PD0. You can change pin with config.h. +3. Optionally you may need pull-up register. 1KOhm probably work. + + +Build Firmware +-------------- +Just run `make`: + + $ make + +To select keymap: + + $ make KEYMAP=[plain|...] + + +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_<name>.c` and see keymap document(you can find in top README.md) and existent keymap files. |