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-rw-r--r--m0110.c229
1 files changed, 183 insertions, 46 deletions
diff --git a/m0110.c b/m0110.c
index 638897ae9d..a669c85a48 100644
--- a/m0110.c
+++ b/m0110.c
@@ -1,5 +1,5 @@
/*
-Copyright 2011 Jun WAKO <wakojun@gmail.com>
+Copyright 2011,2012 Jun WAKO <wakojun@gmail.com>
This software is licensed with a Modified BSD License.
All of this is supposed to be Free Software, Open Source, DFSG-free,
@@ -82,6 +82,9 @@ static inline void request(void);
} \
} while (0)
+#define KEY(raw) ((raw) & 0x7f)
+#define IS_BREAK(raw) (((raw) & 0x80) == 0x80)
+
uint8_t m0110_error = 0;
@@ -92,10 +95,6 @@ void m0110_init(void)
idle();
_delay_ms(1000);
- // Model Number
- // M0110 : 0x09 00001001 : model number 4 (100)
- // M0110A: 0x0B 00001011 : model number 5 (101)
- // M0110 & M0120: ???
m0110_send(M0110_MODEL);
data = m0110_recv();
print("m0110_init model: "); phex(data); print("\n");
@@ -153,47 +152,151 @@ ERROR:
return 0xFF;
}
+/*
+Handling for exceptional case of key combinations for M0110A
+
+Shift and Calc/Arrow key could be operated simultaneously:
+
+ Case Shift Arrow Events Interpret
+ -------------------------------------------------------------------
+ 1 Down Down 71, 79, DD Calc(d)*a *b
+ 2 Down Up 71, 79, UU Arrow&Calc(u)*a
+ 3 Up Down F1, 79, DD Shift(u) *c
+ 4 Up Up F1, 79, UU Shift(u) and Arrow&Calc(u)*a
+
+ Case Shift Calc Events Interpret
+ -------------------------------------------------------------------
+ 5(1) Down Down 71, 71, 79, DD Shift(d) and Cacl(d)
+ 6(2) Down Up F1, 71, 79, UU Shift(u) and Arrow&Calc(u)*a
+ 7(1) Up Down F1, 71, 79, DD Shift(u) and Calc(d)
+ 8(4) Up Up F1, F1, 79, UU Shift(ux2) and Arrow&Calc(u)*a
+
+During Calc key is hold:
+ Case Shift Arrow Events Interpret
+ -------------------------------------------------------------------
+ A(3) ---- Down F1, 79, DD Shift(u) *c
+ B ---- Up 79, UU Arrow&Calc(u)*a
+ C Down ---- F1, 71 Shift(u) and Shift(d)
+ D Up ---- F1 Shift(u)
+ E Hold Down 79, DD Normal
+ F Hold Up 79, UU Arrow&Calc(u)*a
+ G(1) Down Down F1, 71, 79, DD Shift(u)*b and Calc(d)*a
+ H(2) Down Up F1, 71, 79, UU Shift(u) and Arrow&Calc(u)*a
+ I(3) Up Down F1, F1, 79, DD Shift(ux2) *c
+ J(4) Up Up F1, 79, UU Shift(u) and Arrow&Calc(u)*a
+
+ Case Shift Calc Events Interpret
+ -------------------------------------------------------------------
+ K(1) ---- Down 71, 79, DD Calc(d)*a
+ L(4) ---- Up F1, 79, UU Shift(u) and Arrow&Calc(u)*a
+ M(1) Hold Down 71, 79, DD Calc(d)*a
+ N Hold Up 79, UU Arrow&Calc(u)*a
+
+ Where DD/UU indicates part of Keypad Down/Up event.
+ *a: Impossible to distinguish btween Arrow and Calc event.
+ *b: Shift(d) event is ignored.
+ *c: Arrow/Calc(d) event is ignored.
+*/
uint8_t m0110_recv_key(void)
{
static uint8_t keybuf = 0x00;
- uint8_t key, key2, key3;
+ static uint8_t keybuf2 = 0x00;
+ static uint8_t rawbuf = 0x00;
+ uint8_t raw, raw2, raw3;
if (keybuf) {
- key = keybuf;
+ raw = keybuf;
keybuf = 0x00;
- return key;
+ return raw;
+ }
+ if (keybuf2) {
+ raw = keybuf2;
+ keybuf2 = 0x00;
+ return raw;
}
- key = instant(); // Use INSTANT for better response. Should be INQUIRY ?
- switch (key & 0x7F) {
+
+ if (rawbuf) {
+ raw = rawbuf;
+ rawbuf = 0x00;
+ } else {
+ raw = instant(); // Use INSTANT for better response. Should be INQUIRY ?
+ }
+ switch (KEY(raw)) {
case M0110_KEYPAD:
- // Pad/Arrow keys
- return (raw2scan(instant()) | M0110_KEYPAD_OFFSET);
+ raw2 = instant();
+ switch (KEY(raw2)) {
+ case M0110_ARROW_UP:
+ case M0110_ARROW_DOWN:
+ case M0110_ARROW_LEFT:
+ case M0110_ARROW_RIGHT:
+ if (IS_BREAK(raw2)) {
+ // Case B,F,N:
+ keybuf = (raw2scan(raw2) | M0110_CALC_OFFSET); // Calc(u)
+ return (raw2scan(raw2) | M0110_KEYPAD_OFFSET); // Arrow(u)
+ }
+ break;
+ }
+ // Keypad or Arrow
+ return (raw2scan(raw2) | M0110_KEYPAD_OFFSET);
break;
case M0110_SHIFT:
- key2 = instant();
- if (key2 == M0110_KEYPAD) {
- key3 = instant();
- switch (key3 & 0x7F) {
- case M0110_ARROW_UP:
- case M0110_ARROW_DOWN:
- case M0110_ARROW_LEFT:
- case M0110_ARROW_RIGHT:
- // Calc keys
- return (raw2scan(key3) | M0110_CALC_OFFSET);
- default:
- // Shift + Pad/Arrow keys
- keybuf = raw2scan(key3);
- return (raw2scan(key) | M0110_KEYPAD_OFFSET);
- }
- } else {
- // Shift + other keys
- keybuf = raw2scan(key2);
- return raw2scan(key);
+ raw2 = instant();
+ switch (KEY(raw2)) {
+ case M0110_SHIFT:
+ // Case: 5-8,C,G,H
+ rawbuf = raw2;
+ return raw2scan(raw); // Shift(d/u)
+ break;
+ case M0110_KEYPAD:
+ // Shift + Arrow, Calc, or etc.
+ raw3 = instant();
+ switch (KEY(raw3)) {
+ case M0110_ARROW_UP:
+ case M0110_ARROW_DOWN:
+ case M0110_ARROW_LEFT:
+ case M0110_ARROW_RIGHT:
+ if (IS_BREAK(raw)) {
+ if (IS_BREAK(raw3)) {
+ // Case 4:
+ print("(4)\n");
+ keybuf2 = raw2scan(raw); // Shift(u)
+ keybuf = (raw2scan(raw3) | M0110_CALC_OFFSET); // Calc(u)
+ return (raw2scan(raw3) | M0110_KEYPAD_OFFSET); // Arrow(u)
+ } else {
+ // Case 3:
+ print("(3)\n");
+ return (raw2scan(raw)); // Shift(u)
+ }
+ } else {
+ if (IS_BREAK(raw3)) {
+ // Case 2:
+ print("(2)\n");
+ keybuf = (raw2scan(raw3) | M0110_CALC_OFFSET); // Calc(u)
+ return (raw2scan(raw3) | M0110_KEYPAD_OFFSET); // Arrow(u)
+ } else {
+ // Case 1:
+ print("(1)\n");
+ return (raw2scan(raw3) | M0110_CALC_OFFSET); // Calc(d)
+ }
+ }
+ break;
+ default:
+ // Shift + Keypad
+ keybuf = (raw2scan(raw3) | M0110_KEYPAD_OFFSET);
+ return raw2scan(raw); // Shift(d/u)
+ break;
+ }
+ break;
+ default:
+ // Shift + Normal keys
+ keybuf = raw2scan(raw2);
+ return raw2scan(raw); // Shift(d/u)
+ break;
}
break;
default:
- // other keys
- return raw2scan(key);
+ // Normal keys
+ return raw2scan(raw);
break;
}
}
@@ -216,10 +319,9 @@ static inline uint8_t inquiry(void)
static inline uint8_t instant(void)
{
m0110_send(M0110_INSTANT);
- //return m0110_recv();
uint8_t data = m0110_recv();
- if (data != 0x7B) {
- print("data: "); phex(data); print("\n");
+ if (data != M0110_NULL) {
+ phex(data); print(" ");
}
return data;
}
@@ -326,7 +428,7 @@ CLOCK is always from KEYBOARD. DATA are sent with MSB first.
Protocol
--------
COMMAND:
- Inquiry 0x10 get key event
+ Inquiry 0x10 get key event with block
Instant 0x12 get key event
Model 0x14 get model number(M0110 responds with 0x09)
bit 7 1 if another device connected(used when keypad exists?)
@@ -341,14 +443,13 @@ KEY EVENT:
bit 0 always 1
To get scan code use this: ((bits&(1<<7)) | ((bits&0x7F))>>1).
- Note: On the M0110A, the numpad keys and the arrow keys are preceded by 0x79.
- Moreover, the numpad keys =, /, * and + are preceded by shift-down 0x71 on press and shift-up 0xF1 on release.
- So, the data transferred by nupmad 5 is "79 2F" whereas for numpad + it's "71 79 0D".
+ Note: On the M0110A, Keypad keys and Arrow keys are preceded by 0x79.
+ Moreover, some Keypad keys(=, /, * and +) are preceded by 0x71 on press and 0xF1 on release.
ARROW KEYS:
- Arrow keys and Pad+,*,/,=(Calc keys) share same byte sequence and its preceding byte
- 0x71 and 0xF1 means press and release event of SHIFT. These cause very confusing situation.
- It is difficult or impossible to tell Calc key from Arrow key with SHIFT in some cases.
+ Arrow keys and Calc keys(+,*,/,= on keypad) share same byte sequence and preceding byte of
+ Calc keys(0x71 and 0xF1) means press and release event of SHIFT. This causes a very confusing situation,
+ it is difficult or impossible to tell Calc key from Arrow key plus SHIFT in some cases.
Raw key events:
press release
@@ -362,9 +463,45 @@ ARROW KEYS:
Pad/: 0x71, 0x79, 0x1B 0xF1, 0x79, 0x9B
Pad=: 0x71, 0x79, 0x11 0xF1, 0x79, 0x91
-SCAN CODE:
- m0111_recv_key() function returns follwing scan codes instead of raw key events.
- Scan codes are 1 byte long and bit7 is set when key is released.
+
+RAW CODE:
+ M0110A
+ ,---------------------------------------------------------. ,---------------.
+ | `| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|Bcksp| |Clr| =| /| *|
+ |---------------------------------------------------------| |---------------|
+ |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| | | 7| 8| 9| -|
+ |-----------------------------------------------------' | |---------------|
+ |CapsLo| A| S| D| F| G| H| J| K| L| ;| '|Return| | 4| 5| 6| +|
+ |---------------------------------------------------------| |---------------|
+ |Shift | Z| X| C| V| B| N| M| ,| ,| /|Shft|Up | | 1| 2| 3| |
+ |---------------------------------------------------------' |-----------|Ent|
+ |Optio|Mac | Space | \|Lft|Rgt|Dn | | 0| .| |
+ `---------------------------------------------------------' `---------------'
+ ,---------------------------------------------------------. ,---------------.
+ | 65| 25| 27| 29| 2B| 2F| 2D| 35| 39| 33| 3B| 37| 31| 67| |+0F|*11|*1B|*05|
+ |---------------------------------------------------------| |---------------|
+ | 61| 19| 1B| 1D| 1F| 23| 21| 41| 45| 3F| 47| 43| 3D| | |+33|+37|+39|+1D|
+ |-----------------------------------------------------' | |---------------|
+ | 73| 01| 03| 05| 07| 0B| 09| 4D| 51| 4B| 53| 4F| 49| |+2D|+2F|+31|*0D|
+ |---------------------------------------------------------| |---------------|
+ | 71| 0D| 0F| 11| 13| 17| 5B| 5D| 27| 5F| 59| 71|+1B| |+27|+29|+2B| |
+ |---------------------------------------------------------' |-----------|+19|
+ | 75| 6F| 63 | 55|+0D|+05|+11| | +25|+03| |
+ `---------------------------------------------------------' `---------------'
+ + 0x79, 0xDD / 0xF1, 0xUU
+ * 0x71, 0x79,DD / 0xF1, 0x79, 0xUU
+
+
+MODEL NUMBER:
+ M0110: 0x09 00001001 : model number 4 (100)
+ M0110A: 0x0B 00001011 : model number 5 (101)
+ M0110 & M0120: ???
+
+
+Scan Code
+---------
+ m0110_recv_key() function returns following scan codes instead of raw key events.
+ Scan codes are 1 byte long and MSB(bit7) is set when key is released.
M0110
,---------------------------------------------------------.