Rev 426 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
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426 | killagreg | 1 | #include "timer0.h" |
2 | #include "button.h" |
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434 | killagreg | 3 | #include "printf_P.h" |
426 | killagreg | 4 | |
5 | |||
6 | #ifdef USE_FOLLOWME |
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7 | #define BUTTON !(PINC & (1<<PINC6)) |
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8 | #endif |
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9 | #ifdef USE_SDLOGGER |
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10 | #define BUTTON !(PINC & (1<<PINC3)) |
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11 | #endif |
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12 | |||
13 | #define CNT_KEY 10 // at least 3 |
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14 | #define KEY_DELAY_MS 50 |
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15 | |||
16 | uint16_t ButtonTimer = 0; |
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17 | |||
18 | void Button_Init(void) |
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19 | { |
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434 | killagreg | 20 | printf("\r\n BUTTON init..."); |
426 | killagreg | 21 | // set port pin as input pullup |
22 | #ifdef USE_FOLLOWME |
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23 | PORTC |= (1 << PORTC6); |
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24 | DDRC &= ~(1 << DDC6); |
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25 | #endif |
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26 | |||
27 | #ifdef USE_SDLOGGER |
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28 | PORTC |= (1 << PORTC3); |
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29 | DDRC &= ~(1 << DDC3); |
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30 | #endif |
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31 | ButtonTimer = SetDelay(KEY_DELAY_MS); |
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434 | killagreg | 32 | printf("ok"); |
426 | killagreg | 33 | } |
34 | |||
35 | uint8_t GetButton(void) |
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36 | { |
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37 | static uint8_t button = 0; |
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38 | uint8_t ret = 0; |
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39 | |||
40 | if(CheckDelay(ButtonTimer)) |
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41 | { |
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42 | if(BUTTON) |
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43 | { |
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44 | if(button++ == 0 || button == CNT_KEY) ret = 1; |
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45 | if(button == CNT_KEY) button = CNT_KEY - CNT_KEY / 3; |
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46 | } |
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47 | else button = 0; |
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48 | ButtonTimer = SetDelay(KEY_DELAY_MS); |
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49 | } |
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50 | return(ret); |
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51 | } |
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52 |