diff options
Diffstat (limited to 'converter/sun_usb/README')
| -rw-r--r-- | converter/sun_usb/README | 178 |
1 files changed, 58 insertions, 120 deletions
diff --git a/converter/sun_usb/README b/converter/sun_usb/README index 641f111303..7b4f95ca25 100644 --- a/converter/sun_usb/README +++ b/converter/sun_usb/README @@ -1,20 +1,15 @@ Sun to USB keyboard protocol converter ====================================== +Target MCU is ATMega32u4 but other USB capable AVR will also work. +Supported keyboards: Sun Type 5 Keyboard, CTCSP SHORT TYPE KEYBOARD(CKUB) + +CTCSP SHORT TYPE KEYBOARD: http://imgur.com/a/QIv6p -TODO ----- -AVR UART engine expect positive logic while Sun keyboard signal is inverted serial. -To use AVR UART engine you need inverter in front of RX and TX pin. -Otherwise you can software serial routine to communicate the keyboard. -Hardware --------- -Target MCU is ATMega32u4 but other USB capable AVR will also work. -You can use PJRC Teensy as dev board. - http://www.pjrc.com/teensy/ Connector +--------- 8Pin mini DIN ___ ___ / |_| \ @@ -24,118 +19,61 @@ Connector \_____/ (receptacle) -Wiring: -Pin mini DIN Teensy ----------------------------------- -1 GND GND -2 GND GND -3 5V -4 RX/TX(Mouse) -5 RX PD2 -6 TX PD3 -7 GND GND -8 5V VCC - + Wiring: + Pin mini DIN MCU + ---------------------------------- + 1 GND GND + 2 GND GND + 3 5V + 4 RX/TX(Mouse) + 5 RX PD3 + 6 TX PD2 + 7 GND GND + 8 5V VCC -Firmware +Protocol -------- -Build: +Singnal: Asynchronous, Negative logic, 1200baud, No Flow control +Frame format: 1-Start bit, 8-Data bits, No-Parity, 1-Stop bit + + AVR USART engine expects positive logic while Sun keyboard signal is negative. + To use AVR UART engine you need exteral inverter in front of RX and TX pin. + Otherwise you can software serial routine to communicate the keyboard. + +This converter uses software method, you doesn't need any inverter part. + + +Commands From System To Keyboard + 0x01 Reset + Keyboard responds with following byte sequence: + Success: 0xFF 0x04 0x7F + Fail: 0x7E 0x01 0x7F + 0x02 Bell On + 0x03 Bell Off + 0x0A Click On + 0x0B Click Off + 0x0E LED + followed by LED status byte: + bit: 3 2 1 0 + LED: CapsLk ScrLk Compose NumLk + 0x0F Layout + Keyboard responds with 'Layout Response' 0xFE 0xXX + +Commands From Keyboard To System + 0x7F Idle + means no keys pressed. + 0xFE Layout Response + 0xFF Reset Response(followed by 0x04) + +Reference + http://kentie.net/article/sunkbd/page2.htm + http://kentie.net/article/sunkbd/KBD.pdf + + +Build Firmware +-------------- +Just use 'make' $ cd sun_usb $ make - -And load the binary to MCU with your favorite programmer. -If you use Teensy you can load with PJRC Teensy Loader tool. - http://www.pjrc.com/teensy/loader.html - - -* * * * * * * * * * * * * * * * * * - - -X68000 Keyboard Protocol -======================== -http://kyoutan.jpn.org/uts/pc/pic/x68key/ - - -Connector ---------- -Mini DIN 7pin(female connector on computer side) - 7 6 5 - o o o - 4 o = o 3 - o o - 2 1 - - Mini-DIN - ------------- - pin1 +5V - pin2 MOUSE - pin3 RXD - pin4 TXD - pin5 READY - pin6 REMOTE - pin7 GND - - -Signaling ---------- -- TXD,RXD - Asynchronous, 2400baud, 1-startbit(L), 8-databit, 1-stopbit(H) - -- READY - ready/not ready(1/0) - - -Data from keyboard ------------------- -bit 7 make/break flag(0/1) -bit 6-0 following scan code - - -Data from computer ------------------- -- LED contorol ON/OFF(0/1) - bit 7 1(fixed) - bit 6 全角 - bit 5 ひらがな - bit 4 INS - bit 3 CAPS - bit 2 コード入力 - bit 1 ローマ字 - bit 0 かな - -- Repeat delay - bit 7 0(fixed) - bit 6 1(fixed) - bit 5 1(fixed) - bit 4 0(fixed) - bit 3-0 delay - REPEAT_DELAY = 200+delay*100 ms - default: 500ms - -- Repeat time - bit 7 0(fixed) - bit 6 1(fixed) - bit 5 1(fixed) - bit 4 1(fixed) - bit 3-0 time - REPEAT_TIME = 30+time^2*5 ms - default: 110ms - - -Scan Codes ----------- -,---. ,---. ,-------------------, ,-------------------. ,-----------. ,---------------. -| 61| | 62| | 63| 64| 65| 66| 67| | 68| 69| 6A| 6B| 6C| | 5A| 5B| 5C| | 5D| 52| 53| 54| -`---' `---' `-------------------' `-------------------' `-----------' `---------------' -,-----------------------------------------------------------. ,-----------. ,---------------. -| 01| 02| 03| 04| 05| 06| 07| 08| 09| 0A| 0B| 0C| 0D| 0E| 0F| | 36| 5E| 37| | 3F| 40| 41| 42| -|-----------------------------------------------------------| |------------ |---------------| -| 10 | 11| 12| 13| 14| 15| 16| 17| 18| 19| 1A| 1B| 1C| | | 38| 39| 3A| | 43| 44| 45| 46| -|------------------------------------------------------. 1D | `---=====---' |---------------| -| 71 | 1E| 1F| 20| 21| 2l| 23| 24| 25| 26| 27| 28| 29| | ___| 3C|___ | 47| 48| 49| 4A| -|-----------------------------------------------------------| | 3B|---| 3D| |-----------|---| -| 70 | 2A| 2B| 2C| 2D| 2E| 2F| 30| 31| 32| 33| 34| 70 | `---| 3E|---' | 4B| 4C| 4D| | -`-----------------------------------------------------------| .---=====---. |-----------| 4E| - | 5F| 55 | 56 | 35 | 57 | 58 | 59 | 60| | 72 | 73 | | 4F| 50| 51| | - `---------------------------------------------' `-----------' `---------------' +Then, load the binary to MCU with your favorite programmer. |