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comparison cos/kernel/keyboard.c @ 32:3a6a9b929db0

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Added initial ramdisk and some virtual file system functions
author windel
date Fri, 13 Jan 2012 18:18:17 +0100
parents d8627924d40d
children 8012221dd740
comparison
equal deleted inserted replaced
31:88590c42320f 32:3a6a9b929db0
2 2
3 static int shiftstate = 0; 3 static int shiftstate = 0;
4 static volatile uint8_t charAvail = 0; 4 static volatile uint8_t charAvail = 0;
5 static volatile char kbdchar = ' '; 5 static volatile char kbdchar = ' ';
6 6
7 static char keymap[128] = { 7 // TODO: move to user land:
8 static char keymap[128] =
9 {
8 '?','?','1','2', '3', '4', '5','6', '7', '8','9', '0', '-','=', 0xe, '?', 10 '?','?','1','2', '3', '4', '5','6', '7', '8','9', '0', '-','=', 0xe, '?',
9 'q','w','e','r', 't', 'y', 'u','i', 'o', 'p','[', ']', '\n','?', 'a', 's', 11 'q','w','e','r', 't', 'y', 'u','i', 'o', 'p','[', ']', '\n','?', 'a', 's',
10 'd','f','g','h', 'j', 'k', 'l',';', '\'', '?','?', '?', 'z','x', 'c', 'v', 12 'd','f','g','h', 'j', 'k', 'l',';', '\'', '?','?', '?', 'z','x', 'c', 'v',
11 'b','n','m',',', '.', '/', '?','?', '?', ' ','?', '?', '?','?', '?', '?', 13 'b','n','m',',', '.', '/', '?','?', '?', ' ','?', '?', '?','?', '?', '?',
12 14
14 '?','?','?','?', '?', '?', '?','?', '?', '?','?', '?', '?','?', '?', '?', 16 '?','?','?','?', '?', '?', '?','?', '?', '?','?', '?', '?','?', '?', '?',
15 '?','?','?','?', '?', '?', '?','?', '?', '?','?', '?', '?','?', '?', '?', 17 '?','?','?','?', '?', '?', '?','?', '?', '?','?', '?', '?','?', '?', '?',
16 '?','?','?','?', '?', '?', '?','?', '?', '?','?', '?', '?','?', '?', '?' 18 '?','?','?','?', '?', '?', '?','?', '?', '?','?', '?', '?','?', '?', '?'
17 }; 19 };
18 20
19 static char keymapUPPER[128] = { 21 static char keymapUPPER[128] =
22 {
20 '?','?','!','@', '#', '$', '%','^', '&', '*','(', ')', '_','+', '?', '?', 23 '?','?','!','@', '#', '$', '%','^', '&', '*','(', ')', '_','+', '?', '?',
21 'Q','W','E','R', 'T', 'Y', 'U','I', 'O', 'P','{', '}', '|','?', 'A', 'S', 24 'Q','W','E','R', 'T', 'Y', 'U','I', 'O', 'P','{', '}', '|','?', 'A', 'S',
22 'D','F','G','H', 'J', 'K', 'L',':', '"', '?','?', '?', 'Z','X', 'C', 'V', 25 'D','F','G','H', 'J', 'K', 'L',':', '"', '?','?', '?', 'Z','X', 'C', 'V',
23 'B','N','M','<', '>', '?', '?','?', '?', ' ','?', '?', '?','?', '?', '?', 26 'B','N','M','<', '>', '?', '?','?', '?', ' ','?', '?', '?','?', '?', '?',
24 27
26 '?','?','?','?', '?', '?', '?','?', '?', '?','?', '?', '?','?', '?', '?', 29 '?','?','?','?', '?', '?', '?','?', '?', '?','?', '?', '?','?', '?', '?',
27 '?','?','?','?', '?', '?', '?','?', '?', '?','?', '?', '?','?', '?', '?', 30 '?','?','?','?', '?', '?', '?','?', '?', '?','?', '?', '?','?', '?', '?',
28 '?','?','?','?', '?', '?', '?','?', '?', '?','?', '?', '?','?', '?', '?' 31 '?','?','?','?', '?', '?', '?','?', '?', '?','?', '?', '?','?', '?', '?'
29 }; 32 };
30 33
31 void keyboardDriverUpdate(unsigned char scancode) 34 void keyboardDriverUpdate()
32 { 35 {
36 unsigned char scancode = inb(0x60);
37
33 switch(scancode) { 38 switch(scancode) {
34 case 0x2a: 39 case 0x2a:
35 shiftstate = 1; 40 shiftstate = 1;
36 break; 41 break;
37 case 0xaa: 42 case 0xaa:
62 char c = kbdchar; 67 char c = kbdchar;
63 charAvail = 0; 68 charAvail = 0;
64 return c; 69 return c;
65 } 70 }
66 71
72 // Move to user code:
67 void getline(char *buffer, int len) 73 void getline(char *buffer, int len)
68 { 74 {
69 char c; 75 char c;
70 int i = 0; 76 int i = 0;
71 while (i < len-1) { 77 while (i < len-1) {