Added SHARP X68000 keyboard support.
[tmk_keyboard.git] / x68k_usb / README
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38d61ee1 1X68000 to USB keyboard protocol converter
2=========================================
3SHARP X68000 is a hobby computer released in Japan.(1987-93)
4http://en.wikipedia.org/wiki/Sharp_X68000
5
6X68000 keyboard has ALPS linear switches.
7- DSETK0016CE01 green linear
8- DSETK0023CE03 yellow linear
9
10
11Hardware
12--------
13Target MCU is ATMega32u4 but other USB capable AVR will also work.
14You can use PJRC Teensy as dev board.
15 http://www.pjrc.com/teensy/
16
17Wiring:
18 Mini-DIN Teensy
19 -----------------------------------------------------
20 pin1 +5V VCC
21 pin2 MOUSE -
22 pin3 RXD PD2(RXD)
23 pin4 TXD PD3(TXD) NOTE: Not supported yet.
24 pin5 READY -
25 pin6 REMOTE -
26 pin7 GND GND
27
28
29Firmware
30--------
31Build:
32 $ cd x68k_usb
33 $ make
34
35And load the binary to MCU with your favorite programmer.
36If you use Teensy you can load with PJRC Teensy Loader tool.
37 http://www.pjrc.com/teensy/loader.html
38
39
40* * * * * * * * * * * * * * * * * *
41
42
43X68000 Keyboard Protocol
44========================
45http://kyoutan.jpn.org/uts/pc/pic/x68key/
46
47
48Connector
49---------
50Mini DIN 7pin(female connector on computer side)
51 7 6 5
52 o o o
53 4 o = o 3
54 o o
55 2 1
56
57 Mini-DIN
58 -------------
59 pin1 +5V
60 pin2 MOUSE
61 pin3 RXD
62 pin4 TXD
63 pin5 READY
64 pin6 REMOTE
65 pin7 GND
66
67
68Signaling
69---------
70- TXD,RXD
71 Asynchronous, 2400baud, 1-startbit(L), 8-databit, 1-stopbit(H)
72
73- READY
74 ready/not ready(1/0)
75
76
77Data from keyboard
78------------------
79bit 7 make/break flag(0/1)
80bit 6-0 following scan code
81
82
83Data from computer
84------------------
85- LED contorol ON/OFF(0/1)
86 bit 7 1(fixed)
87 bit 6 全角
88 bit 5 ひらがな
89 bit 4 INS
90 bit 3 CAPS
91 bit 2 コード入力
92 bit 1 ローマ字
93 bit 0 かな
94
95- Repeat delay
96 bit 7 0(fixed)
97 bit 6 1(fixed)
98 bit 5 1(fixed)
99 bit 4 0(fixed)
100 bit 3-0 delay
101 REPEAT_DELAY = 200+delay*100 ms
102 default: 500ms
103
104- Repeat time
105 bit 7 0(fixed)
106 bit 6 1(fixed)
107 bit 5 1(fixed)
108 bit 4 1(fixed)
109 bit 3-0 time
110 REPEAT_TIME = 30+time^2*5 ms
111 default: 110ms
112
113
114Scan Codes
115----------
116,---. ,---. ,-------------------, ,-------------------. ,-----------. ,---------------.
117| 61| | 62| | 63| 64| 65| 66| 67| | 68| 69| 6A| 6B| 6C| | 5A| 5B| 5C| | 5D| 52| 53| 54|
118`---' `---' `-------------------' `-------------------' `-----------' `---------------'
119,-----------------------------------------------------------. ,-----------. ,---------------.
120| 01| 02| 03| 04| 05| 06| 07| 08| 09| 0A| 0B| 0C| 0D| 0E| 0F| | 36| 5E| 37| | 3F| 40| 41| 42|
121|-----------------------------------------------------------| |------------ |---------------|
122| 10 | 11| 12| 13| 14| 15| 16| 17| 18| 19| 1A| 1B| 1C| | | 38| 39| 3A| | 43| 44| 45| 46|
123|------------------------------------------------------. 1D | `---=====---' |---------------|
124| 71 | 1E| 1F| 20| 21| 2l| 23| 24| 25| 26| 27| 28| 29| | ___| 3C|___ | 47| 48| 49| 4A|
125|-----------------------------------------------------------| | 3B|---| 3D| |-----------|---|
126| 70 | 2A| 2B| 2C| 2D| 2E| 2F| 30| 31| 32| 33| 34| 70 | `---| 3E|---' | 4B| 4C| 4D| |
127`-----------------------------------------------------------| .---=====---. |-----------| 4E|
128 | 5F| 55 | 56 | 35 | 57 | 58 | 59 | 60| | 72 | 73 | | 4F| 50| 51| |
129 `---------------------------------------------' `-----------' `---------------'
Imprint / Impressum