diff options
Diffstat (limited to 'converter/ibm4704_usb')
| -rw-r--r-- | converter/ibm4704_usb/README.md | 6 | ||||
| -rw-r--r-- | converter/ibm4704_usb/config.h | 2 |
2 files changed, 5 insertions, 3 deletions
diff --git a/converter/ibm4704_usb/README.md b/converter/ibm4704_usb/README.md index 852a4448a..6541dd6d0 100644 --- a/converter/ibm4704_usb/README.md +++ b/converter/ibm4704_usb/README.md @@ -2,10 +2,12 @@ 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 +Keyboard Plug from front: DSUB-9 ------------- @@ -24,7 +26,7 @@ Connection In case of using ATMega32U4(Teensy2.0): 1. Supply power with VCC and GND. -2. Connect CLOCK to PD1 and DATA to PD2. You can change pin with config.h. +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. diff --git a/converter/ibm4704_usb/config.h b/converter/ibm4704_usb/config.h index 8c2d08f6f..befed0d53 100644 --- a/converter/ibm4704_usb/config.h +++ b/converter/ibm4704_usb/config.h @@ -50,7 +50,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. #define IBM4704_DATA_PORT PORTD #define IBM4704_DATA_PIN PIND #define IBM4704_DATA_DDR DDRD -#define IBM4704_DATA_BIT 2 +#define IBM4704_DATA_BIT 0 /* * Pin interrupt |