| 0,0 → 1,87 |
|---|
| /* mija 2009 key |
| |
| source file for process keyboard |
| |
| !!! must be set PINs,PORTs,DDR in lcd.h |
| |
| |
| ver.: 0.0 TESTED |
| |
| */ |
| |
| #include <avr/io.h> |
| #include "key.h" |
| |
| void KeyInit() |
| { |
| KEY1Init(); |
| KEY1Pullup(); |
| KEY2Init(); |
| KEY2Pullup(); |
| } |
| |
| void ProcesKey(uint8_t *key) |
| { |
| //stav |
| enum{STABLE_NO_KEY,NO_STABLE,REPEAT}; |
| static uint8_t stav = STABLE_NO_KEY; |
| static uint8_t KeyPrev = NOKEY; |
| static uint16_t KeyTimer; |
| uint8_t Key; |
| |
| Key = NOKEY; |
| if (KEY1Input()) Key = TL1; |
| if (KEY2Input()) Key = TL2; |
| if (KEY1Input() && KEY2Input()) Key = TL1TL2; |
| |
| switch (stav) |
| { |
| case STABLE_NO_KEY: if (Key){ |
| KeyPrev = Key; |
| KeyTimer = KEYSTABLETIME; |
| stav = NO_STABLE; |
| } |
| *key = NOKEY; |
| break; |
| case NO_STABLE: if (--KeyTimer){ |
| *key = NOKEY; |
| break; |
| } |
| if (Key == KeyPrev){ |
| *key = Key; |
| KeyTimer = KEYFIRSTREPEATTIME; |
| stav = REPEAT; |
| break; |
| } |
| stav = STABLE_NO_KEY; |
| *key = NOKEY; |
| break; |
| /* case FIRST_REPEAT: if (--KeyTimer){ |
| if (Key == NOKEY) stav = STABLE_NO_KEY; |
| *key = NOKEY; |
| break; |
| } |
| if (Key == KeyPrev){ |
| *key = Key; |
| KeyTimer = KEYREPEATTIME; |
| stav = REPEAT; |
| break; |
| } |
| stav = STABLE_NO_KEY; |
| *key = NOKEY; |
| break;*/ |
| case REPEAT: if (--KeyTimer){ |
| if (Key != KeyPrev) stav = STABLE_NO_KEY; |
| *key = NOKEY; |
| break; |
| } |
| if (Key == KeyPrev){ |
| *key = Key; |
| KeyTimer = KEYREPEATTIME; |
| //stav = REPEAT; |
| break; |
| } |
| default: stav = STABLE_NO_KEY; |
| *key = NOKEY; |
| } |
| } |