126 lines
4.7 KiB
C
126 lines
4.7 KiB
C
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/*
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* Commands to the keyboard processor
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*/
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#define LK_PARAM 0x80 /* start/end parameter list */
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#define LK_CMD_RESUME 0x8b /* resume transmission to the host */
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#define LK_CMD_INHIBIT 0x89 /* stop transmission to the host */
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#define LK_CMD_LEDS_ON 0x13 /* light LEDs */
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/* 1st param: led bitmask */
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#define LK_CMD_LEDS_OFF 0x11 /* turn off LEDs */
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/* 1st param: led bitmask */
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#define LK_CMD_DIS_KEYCLK 0x99 /* disable the keyclick */
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#define LK_CMD_ENB_KEYCLK 0x1b /* enable the keyclick */
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/* 1st param: volume */
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#define LK_CMD_DIS_CTLCLK 0xb9 /* disable the Ctrl keyclick */
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#define LK_CMD_ENB_CTLCLK 0xbb /* enable the Ctrl keyclick */
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#define LK_CMD_SOUND_CLK 0x9f /* emit a keyclick */
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#define LK_CMD_DIS_BELL 0xa1 /* disable the bell */
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#define LK_CMD_ENB_BELL 0x23 /* enable the bell */
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/* 1st param: volume */
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#define LK_CMD_BELL 0xa7 /* emit a bell */
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#define LK_CMD_TMP_NORPT 0xd1 /* disable typematic */
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/* for the currently pressed key */
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#define LK_CMD_ENB_RPT 0xe3 /* enable typematic */
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/* for RPT_DOWN groups */
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#define LK_CMD_DIS_RPT 0xe1 /* disable typematic */
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/* for RPT_DOWN groups */
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#define LK_CMD_RPT_TO_DOWN 0xd9 /* set RPT_DOWN groups to DOWN */
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#define LK_CMD_REQ_ID 0xab /* request the keyboard ID */
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#define LK_CMD_POWER_UP 0xfd /* init power-up sequence */
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#define LK_CMD_TEST_MODE 0xcb /* enter the factory test mode */
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#define LK_CMD_TEST_EXIT 0x80 /* exit the factory test mode */
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#define LK_CMD_SET_DEFAULTS 0xd3 /* set power-up defaults */
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#define LK_CMD_MODE(m,div) (LK_PARAM|(((div)&0xf)<<3)|(((m)&0x3)<<1))
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/* select the repeat mode */
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/* for the selected key group */
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#define LK_CMD_MODE_AR(m,div) ((((div)&0xf)<<3)|(((m)&0x3)<<1))
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/* select the repeat mode */
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/* and the repeat register */
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/* for the selected key group */
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/* 1st param: register number */
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#define LK_CMD_RPT_RATE(r) (0x78|(((r)&0x3)<<1))
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/* set the delay and repeat rate */
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/* for the selected repeat register */
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/* 1st param: initial delay */
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/* 2nd param: repeat rate */
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/* there are 4 leds, represent them in the low 4 bits of a byte */
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#define LK_PARAM_LED_MASK(ledbmap) (LK_PARAM|((ledbmap)&0xf))
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#define LK_LED_WAIT 0x1 /* Wait LED */
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#define LK_LED_COMP 0x2 /* Compose LED */
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#define LK_LED_LOCK 0x4 /* Lock LED */
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#define LK_LED_HOLD 0x8 /* Hold Screen LED */
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/* max volume is 0, lowest is 0x7 */
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#define LK_PARAM_VOLUME(v) (LK_PARAM|((v)&0x7))
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/* mode set command details, div is a key group number */
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#define LK_MODE_DOWN 0x0 /* make only */
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#define LK_MODE_RPT_DOWN 0x1 /* make and typematic */
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#define LK_MODE_DOWN_UP 0x3 /* make and release */
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/* there are 4 repeat registers */
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#define LK_PARAM_AR(r) (LK_PARAM|((v)&0x3))
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/*
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* Mappings between key groups and keycodes are as follows:
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*
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* 1: 0xbf - 0xff -- alphanumeric,
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* 2: 0x91 - 0xa5 -- numeric keypad,
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* 3: 0xbc -- Backspace,
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* 4: 0xbd - 0xbe -- Tab, Return,
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* 5: 0xb0 - 0xb2 -- Lock, Compose Character,
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* 6: 0xad - 0xaf -- Ctrl, Shift,
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* 7: 0xa6 - 0xa8 -- Left Arrow, Right Arrow,
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* 8: 0xa9 - 0xac -- Up Arrow, Down Arrow, Right Shift,
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* 9: 0x88 - 0x90 -- editor keypad,
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* 10: 0x56 - 0x62 -- F1 - F5,
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* 11: 0x63 - 0x6e -- F6 - F10,
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* 12: 0x6f - 0x7a -- F11 - F14,
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* 13: 0x7b - 0x7d -- Help, Do,
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* 14: 0x7e - 0x87 -- F17 - F20.
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*
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* Notes:
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* 1. Codes in the 0x00 - 0x40 range are reserved.
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* 2. The assignment of the 0x41 - 0x55 range is undiscovered, probably 10.
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*/
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/* delay is 5 - 630 ms; 0x00 and 0x7f are reserved */
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#define LK_PARAM_DELAY(t) ((t)&0x7f)
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/* rate is 12 - 127 Hz; 0x00 - 0x0b and 0x7d (power-up!) are reserved */
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#define LK_PARAM_RATE(r) (LK_PARAM|((r)&0x7f))
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#define LK_SHIFT 1<<0
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#define LK_CTRL 1<<1
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#define LK_LOCK 1<<2
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#define LK_COMP 1<<3
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#define LK_KEY_SHIFT 0xae
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#define LK_KEY_CTRL 0xaf
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#define LK_KEY_LOCK 0xb0
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#define LK_KEY_COMP 0xb1
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#define LK_KEY_RELEASE 0xb3 /* all keys released */
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#define LK_KEY_REPEAT 0xb4 /* repeat the last key */
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/* status responses */
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#define LK_STAT_RESUME_ERR 0xb5 /* keystrokes lost while inhibited */
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#define LK_STAT_ERROR 0xb6 /* an invalid command received */
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#define LK_STAT_INHIBIT_ACK 0xb7 /* transmission inhibited */
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#define LK_STAT_TEST_ACK 0xb8 /* the factory test mode entered */
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#define LK_STAT_MODE_KEYDOWN 0xb9 /* a key is down on a change */
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/* to the DOWN_UP mode; */
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/* the keycode follows */
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#define LK_STAT_MODE_ACK 0xba /* the mode command succeeded */
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#define LK_STAT_PWRUP_ID 0x01 /* the power-up response start mark */
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#define LK_STAT_PWRUP_OK 0x00 /* the power-up self test OK */
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#define LK_STAT_PWRUP_KDOWN 0x3d /* a key was down during the test */
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#define LK_STAT_PWRUP_ERROR 0x3e /* keyboard self test failure */
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extern unsigned char scancodeRemap[256];
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