diff options
Diffstat (limited to 'm0110.c')
| -rw-r--r-- | m0110.c | 229 |
1 files changed, 183 insertions, 46 deletions
@@ -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 ,---------------------------------------------------------. |