diff options
Diffstat (limited to 'm0110.c')
| -rw-r--r-- | m0110.c | 98 |
1 files changed, 74 insertions, 24 deletions
@@ -66,7 +66,7 @@ Signaling --------- CLOCK is always from KEYBOARD. DATA are sent with MSB first. -1) IDLE: both line is high. +1) IDLE: both lines are high. CLOCK ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ DATA ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -79,7 +79,7 @@ CLOCK is always from KEYBOARD. DATA are sent with MSB first. 3) HOST->KEYBOARD: HOST asserts bit on falling edge. CLOCK ~~~~~~~~~~~~|__|~~~|__|~~~|__|~~~|__|~~~|__|~~~|__|~~~|__|~~~|__|~~~~~~~~~~~ DATA ~~~~~~|_____X777777X666666X555555X444444X333333X222222X111111X000000X~~~~~~~ - <----> 840us(request to send by host) <-> 80us(hold DATA) + <----> 840us(request to send by host) <---> 80us(hold DATA) <--> 180us(clock low) <---> 220us(clock high) @@ -98,11 +98,18 @@ COMMAND: KEY EVENT: bit 7 key state(0:press 1:release) - bit 6-1 scan code + bit 6-1 scan code(see below) bit 0 always 1 - To get scan code, use ((bits&(1<<7)) | ((bits&7F))>>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". 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. + M0110 ,---------------------------------------------------------. | `| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|Backs| @@ -127,29 +134,74 @@ SCAN CODE: | 3A| 37| 31 | 34| 3A| `------------------------------------------------' + 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| .| | + `---------------------------------------------------------' `---------------' + ,---------------------------------------------------------. ,---------------. + | 32| 12| 13| 14| 15| 17| 16| 1A| 1C| 19| 1D| 1B| 18| 33| | 47| 68| 6D| 62| + |---------------------------------------------------------| |---------------| + | 30| 0C| 0D| 0E| 0F| 10| 11| 20| 22| 1F| 23| 21| 1E| | | 59| 5B| 5C| 4E| + |-----------------------------------------------------' | |---------------| + | 39| 00| 01| 02| 03| 05| 04| 26| 28| 25| 29| 27| 24| | 56| 57| 58| 66| + |---------------------------------------------------------| |---------------| + | 38| 06| 07| 08| 09| 0B| 2D| 2E| 2B| 2F| 2C| 38| 4D| | 53| 54| 55| | + |---------------------------------------------------------' |-----------| 4C| + | 3A| 37| 31 | 2A| 46| 42| 48| | 52| 41| | + `---------------------------------------------------------' `---------------' + References ---------- +Technical Info for 128K/512K and Plus + ftp://ftp.apple.asimov.net/pub/apple_II/documentation/macintosh/Mac%20Hardware%20Info%20-%20Mac%20128K.pdf + ftp://ftp.apple.asimov.net/pub/apple_II/documentation/macintosh/Mac%20Hardware%20Info%20-%20Mac%20Plus.pdf Protocol: + Page 20 of Tech Info for 128K/512K http://www.mac.linux-m68k.org/devel/plushw.php Connector: + Page 20 of Tech Info for 128K/512K http://www.kbdbabel.org/conn/kbd_connector_macplus.png Signaling: http://www.kbdbabel.org/signaling/kbd_signaling_mac.png http://typematic.blog.shinobi.jp/Entry/14/ Scan Codes: + Page 22 of Tech Info for 128K/512K + Page 07 of Tech Info for Plus http://m0115.web.fc2.com/m0110.jpg http://m0115.web.fc2.com/m0110a.jpg */ -#define WAIT(stat, us, err) do { \ +#define WAIT_US(stat, us, err) do { \ if (!wait_##stat(us)) { \ m0110_error = err; \ goto ERROR; \ } \ } while (0) +#define WAIT_MS(stat, ms, err) do { \ + uint16_t _ms = ms; \ + while (_ms) { \ + if (wait_##stat(1000)) { \ + break; \ + } \ + _ms--; \ + } \ + if (_ms == 0) { \ + m0110_error = err; \ + goto ERROR; \ + } \ +} while (0) + uint8_t m0110_error = 0; @@ -158,9 +210,13 @@ void m0110_init(void) { uint8_t data; idle(); - _delay_ms(255); + _delay_ms(1000); - m0110_send(M0110_MODLE); + // 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"); @@ -174,24 +230,22 @@ uint8_t m0110_send(uint8_t data) m0110_error = 0; request(); - WAIT(clock_lo, 1000, 0); + WAIT_MS(clock_lo, 250, 1); // keyboard may block long time for (uint8_t bit = 0x80; bit; bit >>= 1) { - WAIT(clock_lo, 250, 3); - _delay_us(15); + WAIT_US(clock_lo, 250, 3); if (data&bit) { data_hi(); } else { data_lo(); } - WAIT(clock_hi, 200, 4); + WAIT_US(clock_hi, 200, 4); } _delay_us(100); // hold last bit for 80us idle(); return 1; ERROR: - if (m0110_error) { - print("m0110_send err: "); phex(m0110_error); print("\n"); - } + print("m0110_send err: "); phex(m0110_error); print("\n"); + _delay_ms(500); idle(); return 0; } @@ -201,24 +255,20 @@ uint8_t m0110_recv(void) uint8_t data = 0; m0110_error = 0; - WAIT(clock_lo, -1, 0); // need 250ms? insted 0xffff(16bit max)us + WAIT_MS(clock_lo, 250, 1); // keyboard may block long time for (uint8_t i = 0; i < 8; i++) { data <<= 1; - WAIT(clock_lo, 200, 2); - WAIT(clock_hi, 200, 3); + WAIT_US(clock_lo, 200, 2); + WAIT_US(clock_hi, 200, 3); if (data_in()) { data |= 1; } } idle(); - if (data != M0110_NULL) { - print("m0110_recv data: "); phex(data); print("\n"); - } return data; ERROR: - if (m0110_error) { - print("m0110_recv err: "); phex(m0110_error); print("\n"); - } + print("m0110_recv err: "); phex(m0110_error); print("\n"); + _delay_ms(500); idle(); return 0xFF; } @@ -231,7 +281,7 @@ uint8_t m0110_recv_key(void) if (key == 0xFF || key == M0110_NULL) return M0110_NULL; else - return ((key&(1<<7)) | ((key&0x7F)>>1)); + return M0110_RAW2SCAN(key); } |