TVZ2020
/
Vatrodojava
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sirena.cpp@0:07997c7eb70b, 2021-02-18 (annotated)
- Committer:
- shrzenjak
- Date:
- Thu Feb 18 17:37:33 2021 +0000
- Revision:
- 0:07997c7eb70b
Osnovni prikaz rada sustava vatrodojave kotlovnice.
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| shrzenjak | 0:07997c7eb70b | 1 | #include "mbed.h" |
| shrzenjak | 0:07997c7eb70b | 2 | #include "sirena.h" //zvuk stvoren pomoću Buzzera |
| shrzenjak | 0:07997c7eb70b | 3 | //vremensko ograničenje korištenja Buzzera |
| shrzenjak | 0:07997c7eb70b | 4 | using namespace mbed; // Zvuk objekt s pinom na mikrokontroleru |
| shrzenjak | 0:07997c7eb70b | 5 | |
| shrzenjak | 0:07997c7eb70b | 6 | sirena::sirena(PinName pin) : _pwm(pin) // ime i ulaz(pin) |
| shrzenjak | 0:07997c7eb70b | 7 | { |
| shrzenjak | 0:07997c7eb70b | 8 | _pwm.write(0.0); |
| shrzenjak | 0:07997c7eb70b | 9 | } |
| shrzenjak | 0:07997c7eb70b | 10 | |
| shrzenjak | 0:07997c7eb70b | 11 | void sirena::nobeep() |
| shrzenjak | 0:07997c7eb70b | 12 | { |
| shrzenjak | 0:07997c7eb70b | 13 | _pwm.write(0.0); |
| shrzenjak | 0:07997c7eb70b | 14 | } |
| shrzenjak | 0:07997c7eb70b | 15 | |
| shrzenjak | 0:07997c7eb70b | 16 | void sirena::beep(float freq, float time) //frekvencija tona i trajanje u sekundama |
| shrzenjak | 0:07997c7eb70b | 17 | { |
| shrzenjak | 0:07997c7eb70b | 18 | _pwm.period(1.0/freq); |
| shrzenjak | 0:07997c7eb70b | 19 | _pwm.write(0.5); // duty cycle 50% |
| shrzenjak | 0:07997c7eb70b | 20 | toff.attach(this,&sirena::nobeep, time); //vrijeme zaustavljanja |
| shrzenjak | 0:07997c7eb70b | 21 | } |