1 | // ATMEL ATTINY 25/45/85 / ARDUINO
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2 | //
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3 | // +-\/-+
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4 | // Ain0 (D 5) PB5 1| |8 Vcc
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5 | // Ain3 (D 3) PB3 2| |7 PB2 (D 2) Ain1
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6 | // Ain2 (D 4) PB4 3| |6 PB1 (D 1) pwm1
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7 | // GND 4| |5 PB0 (D 0) pwm0
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8 | // +----+
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9 |
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10 |
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11 |
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12 | #include <avr/sleep.h> // Sleep Modes
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13 | #include <avr/power.h> // Power management
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14 | #include <avr/wdt.h> // Watchdog timer
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15 | #include <VirtualWire.h>
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16 |
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17 | int sensorPin = A1; //zum lesen der Daten
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18 | char daten[10];
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19 | int ID;
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20 | const int PIN_LED = 4;
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21 | const int strom = 1;
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22 | int keep_ADCSRA;
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23 | int a;
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24 | int wert;
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25 |
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26 |
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27 | ISR (PCINT0_vect)
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28 | {
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29 | // do something interesting here
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30 | } // end of PCINT0_vect
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31 |
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32 | // watchdog interrupt
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33 | ISR (WDT_vect)
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34 | {
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35 | wdt_disable(); // disable watchdog
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36 |
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37 | } // end of WDT_vect
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38 |
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39 | void resetWatchdog ()
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40 | {
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41 | // clear various "reset" flags
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42 | MCUSR = 0;
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43 | // allow changes, disable reset, clear existing interrupt
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44 | WDTCR = bit (WDCE) | bit (WDE) | bit (WDIF);
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45 | // set interrupt mode and an interval (WDE must be changed from 1 to 0 here)
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46 | WDTCR = bit (WDIE) | bit (WDP3) | bit (WDP0); // set WDIE, and 8 seconds delay
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47 | // pat the dog
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48 | wdt_reset();
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49 | } // end of resetWatchdog
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50 |
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51 | void setup ()
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52 | {
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53 | resetWatchdog (); // do this first in case WDT fires
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54 | // Transmitter is connected to Arduino Pin #10
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55 | pinMode(PIN_LED, OUTPUT);
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56 | pinMode(strom, OUTPUT);
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57 | // VirtualWire setup
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58 | vw_setup(1000); // Bits per sec
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59 | vw_set_tx_pin(3);//
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60 |
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61 |
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62 | }
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63 |
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64 | void loop ()
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65 | {
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66 | ADCSRA |= (1<<ADEN);
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67 | delay(100);
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68 |
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69 | ID = 2;
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70 | //a++;
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71 | //keep_ADCSRA = ADCSRA;
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72 |
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73 | memset(daten, 0, sizeof daten); // Inhalt der Variblen (char) löschen
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74 | digitalWrite(strom, HIGH);
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75 | digitalWrite(PIN_LED, HIGH);
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76 | delay(50);
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77 | analogRead(sensorPin);
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78 | delay(300);
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79 |
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80 | wert = analogRead(sensorPin);
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81 | sprintf(daten, "%d,%d", ID, wert);
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82 | //delay(1000);
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83 | vw_send((uint8_t *)daten, strlen(daten));
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84 | vw_wait_tx(); // Wait until the whole message is gone
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85 |
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86 | //delay(1000);
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87 | digitalWrite(strom, LOW);
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88 | digitalWrite(PIN_LED, LOW);
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89 | //Schlafen gehen
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90 | for (int i=0; i<2; i++){ //Hier schläft er jetzt 8 Sekunden 450 ist eine Stunde
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91 | goToSleep ();
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92 |
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93 | }
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94 |
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95 | //ADCSRA = keep_ADCSRA;
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96 | //delay(50);
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97 | } // end of loop
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98 |
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99 | void goToSleep ()
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100 | {
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101 | set_sleep_mode (SLEEP_MODE_PWR_DOWN);
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102 | ADCSRA = 0; // turn off ADC 0,27 mA ohne 6,51
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103 | power_all_disable (); // power off ADC, Timer 0 and 1, serial interface
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104 | noInterrupts (); // timed sequence coming up
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105 | resetWatchdog (); // get watchdog ready
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106 | sleep_enable (); // ready to sleep
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107 | interrupts (); // interrupts are required now
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108 | sleep_cpu (); // sleep
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109 | sleep_disable (); // precaution
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110 | power_all_enable (); // power everything back on
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111 | } // end of goToSleep
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