Lazar Dobric / Mbed 2 deprecated Zadatak_2_5

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Dependencies:   mbed

main.cpp@0:14719bc34055, 2021-11-13 (annotated)

Committer:
makotolagano
Date:
Sat Nov 13 07:05:29 2021 +0000
Revision:
0:14719bc34055
najjaci gas;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
makotolagano 0:14719bc34055 1 /*
makotolagano 0:14719bc34055 2
makotolagano 0:14719bc34055 3 Lazar Dobric 11/12/2021 23:12 EST
makotolagano 0:14719bc34055 4
makotolagano 0:14719bc34055 5 */
makotolagano 0:14719bc34055 6
makotolagano 0:14719bc34055 7
makotolagano 0:14719bc34055 8 // importing libraries
makotolagano 0:14719bc34055 9 #include "mbed.h"
makotolagano 0:14719bc34055 10
makotolagano 0:14719bc34055 11
makotolagano 0:14719bc34055 12 // macros
makotolagano 0:14719bc34055 13 #define VOLTAGE_SCALER 3.3f
makotolagano 0:14719bc34055 14 #define VOLTAGE_LIMIT 2.7f
makotolagano 0:14719bc34055 15 #define PWM_PERIOD_MS 1
makotolagano 0:14719bc34055 16 #define BUZZER_HIGH 0.9f
makotolagano 0:14719bc34055 17 #define BUZZER_LOW 0
makotolagano 0:14719bc34055 18
makotolagano 0:14719bc34055 19
makotolagano 0:14719bc34055 20 AnalogIn pot2(PA_1);
makotolagano 0:14719bc34055 21 PwmOut buzzer(PA_11);
makotolagano 0:14719bc34055 22 InterruptIn sw1(PC_9);
makotolagano 0:14719bc34055 23
makotolagano 0:14719bc34055 24 // global
makotolagano 0:14719bc34055 25 static char buzzing = 0;
makotolagano 0:14719bc34055 26
makotolagano 0:14719bc34055 27 // declarations
makotolagano 0:14719bc34055 28 void ISR_sw1(void);
makotolagano 0:14719bc34055 29
makotolagano 0:14719bc34055 30 int main()
makotolagano 0:14719bc34055 31 {
makotolagano 0:14719bc34055 32
makotolagano 0:14719bc34055 33 buzzer.period_ms(PWM_PERIOD_MS);
makotolagano 0:14719bc34055 34 buzzer.write(BUZZER_LOW);
makotolagano 0:14719bc34055 35 sw1.fall(&ISR_sw1);
makotolagano 0:14719bc34055 36
makotolagano 0:14719bc34055 37 while(true)
makotolagano 0:14719bc34055 38 {
makotolagano 0:14719bc34055 39 if(pot2.read()*VOLTAGE_SCALER >= VOLTAGE_LIMIT)
makotolagano 0:14719bc34055 40 {
makotolagano 0:14719bc34055 41 if (!buzzing)
makotolagano 0:14719bc34055 42 {
makotolagano 0:14719bc34055 43 buzzer.write(BUZZER_HIGH);
makotolagano 0:14719bc34055 44 buzzing = 1;
makotolagano 0:14719bc34055 45 }
makotolagano 0:14719bc34055 46 }
makotolagano 0:14719bc34055 47 else
makotolagano 0:14719bc34055 48 {
makotolagano 0:14719bc34055 49 buzzing = 0;
makotolagano 0:14719bc34055 50 }
makotolagano 0:14719bc34055 51
makotolagano 0:14719bc34055 52
makotolagano 0:14719bc34055 53 }
makotolagano 0:14719bc34055 54
makotolagano 0:14719bc34055 55 }
makotolagano 0:14719bc34055 56
makotolagano 0:14719bc34055 57 // Interrupt Service Routine
makotolagano 0:14719bc34055 58 void ISR_sw1(void)
makotolagano 0:14719bc34055 59 {
makotolagano 0:14719bc34055 60 buzzer.write(BUZZER_LOW);
makotolagano 0:14719bc34055 61 buzzing = 0;
makotolagano 0:14719bc34055 62
makotolagano 0:14719bc34055 63 }
makotolagano 0:14719bc34055 64
makotolagano 0:14719bc34055 65