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6.5 Wenn sich jemand nähert, Licht (D10) einschalten und Akustisches Signal. Alarm ein-/ausschaltbar mittels Tastern. Wenn Alarm scharf ist, leuchtet LED 2
Dependencies: mbed
main.cpp@1:555de1dd3f4b, 2016-10-31 (annotated)
- Committer:
- stefan1691
- Date:
- Mon Oct 31 15:12:08 2016 +0000
- Revision:
- 1:555de1dd3f4b
- Parent:
- 0:220387101075
A5 statt A4
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
stefan1691 | 0:220387101075 | 1 | /** 6.5 Wenn sich jemand nähert, Licht (D10) einschalten und |
stefan1691 | 0:220387101075 | 2 | Akustisches Signal. Alarm ein-/ausschaltbar mittels Tastern. Wenn Alarm scharf ist, leuchtet LED 2 |
stefan1691 | 0:220387101075 | 3 | */ |
stefan1691 | 0:220387101075 | 4 | #include "mbed.h" |
stefan1691 | 0:220387101075 | 5 | |
stefan1691 | 0:220387101075 | 6 | // Buttons fuer Ein-/Ausschalten |
stefan1691 | 0:220387101075 | 7 | DigitalIn b1( A1 ); |
stefan1691 | 0:220387101075 | 8 | DigitalIn b2( A2 ); |
stefan1691 | 0:220387101075 | 9 | |
stefan1691 | 0:220387101075 | 10 | // Sensor |
stefan1691 | 1:555de1dd3f4b | 11 | DigitalIn pirSensor( A5 ); |
stefan1691 | 0:220387101075 | 12 | |
stefan1691 | 0:220387101075 | 13 | // LED UI |
stefan1691 | 0:220387101075 | 14 | DigitalOut led1( D10 ); |
stefan1691 | 0:220387101075 | 15 | DigitalOut led2( D13 ); |
stefan1691 | 0:220387101075 | 16 | |
stefan1691 | 0:220387101075 | 17 | // Summer (Buzzer) |
stefan1691 | 0:220387101075 | 18 | PwmOut speaker( D7 ); |
stefan1691 | 0:220387101075 | 19 | |
stefan1691 | 0:220387101075 | 20 | int on = 0; // On/Off Merker |
stefan1691 | 0:220387101075 | 21 | |
stefan1691 | 0:220387101075 | 22 | int main() |
stefan1691 | 0:220387101075 | 23 | { |
stefan1691 | 0:220387101075 | 24 | while (true) |
stefan1691 | 0:220387101075 | 25 | { |
stefan1691 | 0:220387101075 | 26 | // On / Off Buttons |
stefan1691 | 0:220387101075 | 27 | if ( b1 == 0 ) |
stefan1691 | 0:220387101075 | 28 | on = 1; |
stefan1691 | 0:220387101075 | 29 | if ( b2 == 0 ) |
stefan1691 | 0:220387101075 | 30 | on = 0; |
stefan1691 | 0:220387101075 | 31 | |
stefan1691 | 0:220387101075 | 32 | // Alarm scharf? |
stefan1691 | 0:220387101075 | 33 | if ( on ) |
stefan1691 | 0:220387101075 | 34 | { |
stefan1691 | 0:220387101075 | 35 | led2 = 1; |
stefan1691 | 0:220387101075 | 36 | // und Bewegungsmelder gibt an |
stefan1691 | 0:220387101075 | 37 | if ( pirSensor ) |
stefan1691 | 0:220387101075 | 38 | { |
stefan1691 | 0:220387101075 | 39 | led1 = 1; |
stefan1691 | 0:220387101075 | 40 | // Polizei Sirene |
stefan1691 | 0:220387101075 | 41 | speaker.period( 1.0 / 969.0 ); // 969 = Tonfrequenz in Hz |
stefan1691 | 0:220387101075 | 42 | speaker = 0.5f; |
stefan1691 | 0:220387101075 | 43 | wait( 0.5f ); |
stefan1691 | 0:220387101075 | 44 | speaker.period( 1.0 / 800.0 ); |
stefan1691 | 0:220387101075 | 45 | wait( 0.5f ); |
stefan1691 | 0:220387101075 | 46 | } |
stefan1691 | 0:220387101075 | 47 | else |
stefan1691 | 0:220387101075 | 48 | { |
stefan1691 | 0:220387101075 | 49 | speaker = 0.0f; |
stefan1691 | 0:220387101075 | 50 | led1 = 0; |
stefan1691 | 0:220387101075 | 51 | } |
stefan1691 | 0:220387101075 | 52 | } |
stefan1691 | 0:220387101075 | 53 | // Alarm abgeschaltet |
stefan1691 | 0:220387101075 | 54 | else |
stefan1691 | 0:220387101075 | 55 | { |
stefan1691 | 0:220387101075 | 56 | speaker = 0.0f; |
stefan1691 | 0:220387101075 | 57 | led1 = 0; |
stefan1691 | 0:220387101075 | 58 | led2 = 0; |
stefan1691 | 0:220387101075 | 59 | } |
stefan1691 | 0:220387101075 | 60 | |
stefan1691 | 0:220387101075 | 61 | wait( 0.2 ); // ohne wait laesst sich das Board nicht neu programmieren! |
stefan1691 | 0:220387101075 | 62 | } |
stefan1691 | 0:220387101075 | 63 | } |