Rev 2313 Rev 2314
1 /* mija 2009 key 1 /* mija 2009 key
2   2  
3 source file for process keyboard 3 source file for process keyboard
4   4  
5 !!! must be set PINs,PORTs,DDR in lcd.h 5 !!! must be set PINs,PORTs,DDR in lcd.h
6 6
7 7
8 ver.: 0.0 TESTED 8 ver.: 0.0 TESTED
9 9
10 */ 10 */
11   11  
12 #include <avr/io.h> 12 #include <avr/io.h>
13 #include "key.h" 13 #include "key.h"
14   14  
15 void KeyInit() 15 void KeyInit()
16 { 16 {
17 KEY1Init(); 17 KEY1Init();
18 KEY1Pullup(); 18 KEY1Pullup();
19 KEY2Init(); 19 KEY2Init();
20 KEY2Pullup(); 20 KEY2Pullup();
21 } 21 }
22   22  
23 void ProcesKey(uint8_t *key) 23 void ProcesKey(uint8_t *key)
24 { 24 {
25 //stav 25 //stav
26 enum{STABLE_NO_KEY,NO_STABLE,REPEAT}; 26 enum{STABLE_NO_KEY,NO_STABLE,REPEAT};
27 static uint8_t stav = STABLE_NO_KEY; 27 static uint8_t stav = STABLE_NO_KEY;
28 static uint8_t KeyPrev = NOKEY; 28 static uint8_t KeyPrev = NOKEY;
29 static uint16_t KeyTimer; 29 static uint16_t KeyTimer;
30 uint8_t Key; 30 uint8_t Key;
31 31
32 Key = NOKEY; 32 Key = NOKEY;
33 if (KEY1Input()) Key = TL1; 33 if (KEY1Input()) Key = TL1;
34 if (KEY2Input()) Key = TL2; 34 if (KEY2Input()) Key = TL2;
35 if (KEY1Input() && KEY2Input()) Key = TL1TL2; 35 if (KEY1Input() && KEY2Input()) Key = TL1TL2;
36   36  
37 switch (stav) 37 switch (stav)
38 { 38 {
39 case STABLE_NO_KEY: if (Key){ 39 case STABLE_NO_KEY: if (Key){
40 KeyPrev = Key; 40 KeyPrev = Key;
41 KeyTimer = KEYSTABLETIME; 41 KeyTimer = KEYSTABLETIME;
42 stav = NO_STABLE; 42 stav = NO_STABLE;
43 } 43 }
44 *key = NOKEY; 44 *key = NOKEY;
45 break; 45 break;
46 case NO_STABLE: if (--KeyTimer){ 46 case NO_STABLE: if (--KeyTimer){
47 *key = NOKEY; 47 *key = NOKEY;
48 break; 48 break;
49 } 49 }
50 if (Key == KeyPrev){ 50 if (Key == KeyPrev){
51 *key = Key; 51 *key = Key;
52 KeyTimer = KEYFIRSTREPEATTIME; 52 KeyTimer = KEYFIRSTREPEATTIME;
53 stav = REPEAT; 53 stav = REPEAT;
54 break; 54 break;
55 } 55 }
56 stav = STABLE_NO_KEY; 56 stav = STABLE_NO_KEY;
57 *key = NOKEY; 57 *key = NOKEY;
58 break; 58 break;
59 /* case FIRST_REPEAT: if (--KeyTimer){ 59 /* case FIRST_REPEAT: if (--KeyTimer){
60 if (Key == NOKEY) stav = STABLE_NO_KEY; 60 if (Key == NOKEY) stav = STABLE_NO_KEY;
61 *key = NOKEY; 61 *key = NOKEY;
62 break; 62 break;
63 } 63 }
64 if (Key == KeyPrev){ 64 if (Key == KeyPrev){
65 *key = Key; 65 *key = Key;
66 KeyTimer = KEYREPEATTIME; 66 KeyTimer = KEYREPEATTIME;
67 stav = REPEAT; 67 stav = REPEAT;
68 break; 68 break;
69 } 69 }
70 stav = STABLE_NO_KEY; 70 stav = STABLE_NO_KEY;
71 *key = NOKEY; 71 *key = NOKEY;
72 break;*/ 72 break;*/
73 case REPEAT: if (--KeyTimer){ 73 case REPEAT: if (--KeyTimer){
74 if (Key != KeyPrev) stav = STABLE_NO_KEY; 74 if (Key != KeyPrev) stav = STABLE_NO_KEY;
75 *key = NOKEY; 75 *key = NOKEY;
76 break; 76 break;
77 } 77 }
78 if (Key == KeyPrev){ 78 if (Key == KeyPrev){
79 *key = Key; 79 *key = Key;
80 KeyTimer = KEYREPEATTIME; 80 KeyTimer = KEYREPEATTIME;
81 //stav = REPEAT; 81 //stav = REPEAT;
82 break; 82 break;
83 } 83 }
84 default: stav = STABLE_NO_KEY; 84 default: stav = STABLE_NO_KEY;
85 *key = NOKEY; 85 *key = NOKEY;
86 } 86 }
87 } 87 }