Merge branch 'ibm4704'
This commit is contained in:
tmk
commit
a03a197fe2
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@ -5,8 +5,23 @@ This firmware converts IBM 4704 keyboard protocol to USB HID.
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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.**
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4704 Connector
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--------------
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Keyboard models
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---------------
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IBM capacitive switch models:
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6019273 Model 100 50-key (grid layout) http://kishy.dyndns.org/?p=977
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6019284 Model 200 62-key Alpha(60% layout) http://kishy.dyndns.org/?p=894
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6019303 Model 300 77-key Expanded Alpha http://kbtalking.cool3c.com/article/23272
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6020218 Model 400 107-key Full key http://kishy.dyndns.org/?p=980
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Alps switch(vintage Green) models:
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5954339 Japanese 102-key http://deskthority.net/post87127.html#p87127
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6112883 Japanese 102-key http://geekhack.org/index.php?topic=52888.msg1194489#msg1194489
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6112884 Japanese 102-key http://geekhack.org/index.php?topic=50437.msg1193047#msg1193047
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6341739 Chinese 102-key http://geekhack.org/index.php?topic=52888.msg1176566#msg1176566
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Connector
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---------
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Keyboard Plug from front:
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DSUB-9
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@ -35,6 +35,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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/* key combination for command */
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#define IS_COMMAND() ( \
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keyboard_report->mods == (MOD_BIT(KC_LCTRL) | MOD_BIT(KC_RCTRL)) || \
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keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
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)
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@ -1,10 +1,16 @@
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4704 Keyboard
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=============
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Keyboard Models:
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Model 100 6019273 50-key (grid layout)
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Model 200 6019284 62-key Alpha(60% layout)
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Model 300 6019303 77-key Expanded Alpha
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Model 400 6020218 107-key Full key
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IBM 4704 Keyboard
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=================
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IBM capacitive switch models:
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6019273 Model 100 50-key (grid layout) http://kishy.dyndns.org/?p=977
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6019284 Model 200 62-key Alpha(60% layout) http://kishy.dyndns.org/?p=894
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6019303 Model 300 77-key Expanded Alpha http://kbtalking.cool3c.com/article/23272
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6020218 Model 400 107-key Full key http://kishy.dyndns.org/?p=980
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Alps switch(vintage Green) models:
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5954339 Japanese 102-key http://deskthority.net/post87127.html#p87127
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6112883 Japanese 102-key http://geekhack.org/index.php?topic=52888.msg1194489#msg1194489
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6112884 Japanese 102-key http://geekhack.org/index.php?topic=50437.msg1193047#msg1193047
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6341739 Chinese 102-key http://geekhack.org/index.php?topic=52888.msg1176566#msg1176566
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Resourse
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--------
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@ -16,11 +22,19 @@ http://ed-thelen.org/comp-hist/IBM-ProdAnn/4700.pdf
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4704 Keyboard Protocol
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======================
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On powering up the keyboard sends keyboard id; A3h for 6019284(62-key), for example.
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After that firmware enters FC command mode and waits for parameter data from host
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so that it doesn't send any scancode until you send 'FF'(End of FC command).
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IBM 4704 Keyboard Protocol
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==========================
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On powering up keyboard sends keyboard ID; A3h for 6019284(62-key), for example.
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After that the keyboard enters FC command mode and waits for parameter data from host
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so that it doesn't send any scancode until you send 'FF'(End of FC command mode).
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Keyboard ID
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-------------------------------
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Model 100 50-key A2h
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Model 200 62-key A3h
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Model 300 77-key A4h
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Model 400 107-key ??
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Japanese/Chinese 102-key A6h
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Connector
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@ -113,27 +127,34 @@ NOTE: When break code is enabled the key sends scancode with setting 7th bit on
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and without it on release. That is, '`' sends 80h on press and 00h on release.
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keyboard command
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Keyboard command
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----------------
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FF Soft Reset(0008h)
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FE Resend(00e8h)
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FD Buzzer stop?(00edh)
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FC Set Key flag(00f6h)
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FB Soft Reset(0008h)
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FA Reset(0000h)
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Keyboard accepts these commands from host.
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Description Entry point
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-----------------------------------------------------------
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FF Soft Reset 0008h
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FE Resend 00e8h
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FD Buzzer(emits a short beep) 00edh
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FC Set Key Flag 00f6h
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FB Soft Reset 0008h
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FA Reset 0000h
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Keyboard response
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-----------------
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FF Not exist. [Outgoing buffer cannot have FFh(00h in fact)]
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FE Overflow(key event/receive data) at 00c5h, 0346h
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FE Memory test error at 0224h
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FD Command out of bound at 00d8h
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Keyobard sends these bytes to host.
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Description Entry point
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-----------------------------------------------------------
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FE Overflow(key event/receive data) 00c5h, 0346h
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Memory test error 0224h
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FD Command out of bound 00d8h
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Key out of bound
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7E Read/Parity error in receive from host at 00bch
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7E Read/Parity error in receive from host 00bch
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Set Key flag command(FC)
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Set Key Flag command(FC)
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------------------------
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After 'Power on Reset' firmware enters this command mode and waits for data from host,
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so that you don't need to send 'FC' and it doesn't send any scancode until you send 'FF'.
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