137 lines
4.1 KiB
C
137 lines
4.1 KiB
C
void kb_set_LEDs(byte status);
|
|
void kb_set_repeat(byte rate, byte delay);
|
|
void kb_set_scancodeset(byte set);
|
|
|
|
char kbdus_map[] = {
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '\t', '`', 0,
|
|
0, 0, 0, 0, 0, 'q', '1', 0, 0, 0, 'z', 's', 'a', 'w', '2', 0,
|
|
0, 'c', 'x', 'd', 'e', '4', '3', 0, 0, ' ', 'v', 'f', 't', 'r', '5', 0,
|
|
0, 'n', 'b', 'h', 'g', 'y', '6', 0, 0, 0, 'm', 'j', 'u', '7', '8', 0,
|
|
0, ',', 'k', 'i', 'o', '0', '9', 0, 0, '.', '/', 'l', ';', 'p', '-', 0,
|
|
0, 0, '\'', 0, '[', '=', 0, 0, 0, '\n', '\n', ']', 0, '\\', 0, 0,
|
|
0, 0, 0x7F, 0, 0, 0, '\b', 0, 0, '1', '/', '4', '7', 0, 0, 0,
|
|
'0', '.', '2', '5', '6', '8', 0, 0, 0, '+', '3', '-', '*', '9', 0, 0
|
|
};
|
|
|
|
char kbdus_map_shift[] = {
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '\t', '~', 0,
|
|
0, 0, 0, 0, 0, 'Q', '!', 0, 0, 0, 'Z', 'S', 'A', 'W', '@', 0,
|
|
0, 'C', 'X', 'D', 'E', '$', '#', 0, 0, ' ', 'V', 'F', 'T', 'R', '%', 0,
|
|
0, 'N', 'B', 'H', 'G', 'Y', '^', 0, 0, 0, 'M', 'J', 'U', '&', '*', 0,
|
|
0, '<', 'K', 'I', 'O', ')', '(', 0, 0, '>', '?', 'L', ':', 'P', '_', 0,
|
|
0, 0, '\"', 0, '{', '+', 0, 0, 0, '\n', '\n', '}', 0, '|', 0, 0,
|
|
0, 0, 0x7F, 0, 0, 0, '\b', 0, 0, '1', '/', '4', '7', 0, 0, 0,
|
|
'0', '.', '2', '5', '6', '8', 0, 0, 0, '+', '3', '-', '*', '9', 0, 0
|
|
};
|
|
/* kb_modifier_status:
|
|
BIT | Description
|
|
----+-----------------------------------
|
|
0 | Left Shift
|
|
1 | Right Shift
|
|
2 | Left Alt
|
|
3 | Right Alt
|
|
4 | Left CTRL
|
|
5 | Right CTRL
|
|
6 | Fake Shift */
|
|
byte kb_modifier_status;
|
|
|
|
/* kb_modifier_status:
|
|
BIT | Description
|
|
----+-----------------------------------
|
|
0 | Gray
|
|
1 | Break code
|
|
2 | 0xE1 (pause/break)
|
|
3 | Recieved first byte from pause/break */
|
|
byte kb_prefix;
|
|
|
|
/* kb_lights_status
|
|
BIT | Description
|
|
----+-----------------------------------
|
|
0 | SCROLLOCK
|
|
1 | NUMLOCK
|
|
2 | CAPSLOCK */
|
|
byte kb_lights_status;
|
|
byte kb_scancode_set;
|
|
|
|
|
|
/***************************************
|
|
* Set repeat rate/delay *
|
|
***************************************
|
|
Values for inter-character delay (bits 4-0)
|
|
(characters per second; default is 10.9)
|
|
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7
|
|
----+----+----+----+----+----+----+----+----
|
|
0 |30.0|26.7|24.0|21.8|20.0|18.5|17.1|16.0
|
|
8 |15.0|13.3|12.0|10.9|10.0|9.2 |8.6 |8.0
|
|
16 |7.5 |6.7 |6.0 |5.5 |5.0 |4.6 |4.3 |4.0
|
|
24 |3.7 |3.3 |3.0 |2.7 |2.5 |2.3 |2.1 |2.0
|
|
|
|
Values for delay:
|
|
(miliseconds; default is 500)
|
|
0 | 1 | 2 | 3
|
|
-----+-----+-----+-----
|
|
250 | 500 | 750 | 1000
|
|
|
|
***************************************/
|
|
void kb_set_repeat(byte rate, byte delay)
|
|
{
|
|
if (rate>3 || delay>31) return;
|
|
|
|
byte out = rate<<5 | delay;
|
|
while ((inportb(0x64)&2) != 0);
|
|
outportb(0x60, 0xF3);
|
|
while ((inportb(0x64)&2) != 0);
|
|
outportb(0x60, out);
|
|
}
|
|
|
|
|
|
/***************************************
|
|
* Set keyboard LEDs *
|
|
***************************************
|
|
+-----------+-------+-------+--------+
|
|
| Bits 7-3 | Bit 2 | Bit 1 | Bit 0 |
|
|
| 0 | Caps | Num | Scroll |
|
|
|(reserved) | lock | lock | lock |
|
|
+-----------+-------+-------+--------+
|
|
***************************************/
|
|
void kb_set_LEDs(byte status)
|
|
{
|
|
while ((inportb (0x64)&2)!=0);
|
|
outportb (0x60, 0xED);
|
|
|
|
while ((inportb (0x64)&2)!=0);
|
|
outportb (0x60, status);
|
|
}
|
|
|
|
/***************************************
|
|
* Set scancode set *
|
|
***************************************
|
|
0 Get current scancode set
|
|
1 Set to scancode set 1
|
|
2 Set to scancode set 2
|
|
3 Set to scancode set 3
|
|
***************************************/
|
|
void kb_set_scancodeset(byte set)
|
|
{
|
|
//If ask for current scancode, tell kb handler what to expect
|
|
if (set==0) kb_scancode_set = 4;
|
|
|
|
while ((inportb (0x64)&2)!=0);
|
|
outportb (0x60, 0xF0);
|
|
|
|
while ((inportb (0x64)&2)!=0);
|
|
outportb (0x60, set);
|
|
}
|
|
|
|
|
|
void kb_waitin()
|
|
{
|
|
int fail_safe=200000;
|
|
while ((inportb(0x64)&2)!=0 && fail_safe>0) fail_safe--;
|
|
}
|
|
|
|
void kb_waitout()
|
|
{
|
|
int fail_safe=200000;
|
|
while ((inportb(0x64)&1)==0 && fail_safe>0) fail_safe--;
|
|
} |