Sorry für meine blödheit, kann mir jemand sagen, wieso meine rote led
nicht aufhört zu leuchten (alle anderen blinken wie sie sollen)?
Schaltung: Pins schalten je eine BC548C base, der je eine led (rot,
gelb, weiß, blau) treibt.
1 | /*===================================================================================
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2 | Alle möglichen Portanschlüsse am ATtiny 13 :
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3 | ============== ===
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4 | dW, /RESET, (PB5) 1 20 Vcc
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5 | PCINT3, CLKI, ADC3,(PB3) 2 19 (PB2), SCK, T0, ADC1, PCINT2
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6 | PCINT4, ADC2,(PB4)___3 18___(PB1), MISO, INT0, AIN1, PCINT1, OC0B
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7 | GND 4 11 (PB0), MOSI, AIN0, PCINT0, OC0A */
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8 |
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9 |
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10 | #include <stdbool.h>
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11 | #include <stdlib.h>
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12 | #include <stdint.h>
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13 |
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14 | #include <avr/io.h>
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15 | #include <avr/interrupt.h>
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16 |
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17 | #define F_CPU 9.6E6
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18 | #include <util/delay.h>
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19 |
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20 |
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21 | void red_on()
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22 | {
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23 | PORTB |= (1 << PB0);
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24 | }
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25 |
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26 | void red_off()
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27 | {
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28 | PORTB &= ~(1 << PB0);
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29 | }
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30 |
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31 | void yellow_on()
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32 | {
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33 | PORTB |= (1 << PB1);
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34 | }
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35 |
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36 | void yellow_off()
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37 | {
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38 | PORTB &= ~(1 << PB1);
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39 | }
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40 |
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41 | void blue_on()
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42 | {
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43 | PORTB |= (1 << PB2);
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44 | }
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45 |
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46 | void blue_off()
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47 | {
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48 | PORTB &= ~(1 << PB2);
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49 | }
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50 |
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51 | void white_on()
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52 | {
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53 | PORTB |= (1 << PB3);
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54 | }
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55 |
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56 | void white_off()
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57 | {
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58 | PORTB &= ~(1 << PB3);
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59 | }
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60 |
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61 | void clear()
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62 | {
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63 | PORTB &= ~((1<<PB0)|(1<<PB1)|(1<<PB2)|(1<<PB3));
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64 | }
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65 |
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66 |
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67 | int main(void)
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68 | {
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69 | DDRB = 0xff;
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70 |
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71 | while(1)
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72 | {
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73 | int mode =0;
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74 |
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75 | if (PORTB & 0x10)
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76 | {
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77 | mode = 1;
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78 | }
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79 |
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80 |
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81 |
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82 | red_on();
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83 | _delay_ms(100);
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84 | yellow_on();
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85 | _delay_ms(100);
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86 | blue_on();
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87 | _delay_ms(100);
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88 | white_on();
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89 | _delay_ms(100);
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90 |
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91 | clear();
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92 |
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93 |
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94 |
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95 |
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96 | }
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97 |
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98 | return 0;
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99 | }
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