Diff: main.cpp

Revision:

0:b341edd1e54c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Nov 13 09:20:47 2021 +0000
@@ -0,0 +1,116 @@
+// Milos Novakovic 2020/0425
+
+/*Prikazana vrijednost ne odgovara onome sto se moze cuti u prvi i poslednjih 10% jer
+piezzo zahtjeva paljenje i gasenje tj konsantno smjenjivanje 0 i 1, 
+sto npr na 99% skoro sve je visok napon i ne dobijamo zvuk*/
+
+//Uvoz biblioteka i def. direktiva
+
+#include "mbed.h"
+
+//Globalne promjenljive
+
+PwmOut buzzer(PA_11);
+AnalogIn pot2(PA_1);
+AnalogIn pot1(PA_0);
+InterruptIn sw1(PC_9);
+DigitalOut SEL2(PC_7);
+DigitalOut SEL1(PB_6);
+BusOut display1(PA_10, PA_9,PA_8,PB_10,PB_5,PB_4,PB_3);
+BusOut display2(PA_10, PA_9,PA_8,PB_10,PB_5,PB_4,PB_3);
+static float x;
+static int x1;
+static int flag=0;
+static int postotak, desetice,jedinice;
+static char i=0;
+
+
+//deklaracija pomocnih f-ja
+
+void ISR_sw1(void);
+void display(void);
+
+//glavni program
+
+int main(){
+    
+SEL1=1; SEL2=1;
+sw1.fall(&ISR_sw1);
+
+    while(1){
+         buzzer=pot1;
+         if(pot1==0) buzzer=0.01f;
+         
+         
+         
+         if(flag==1) display();
+         
+         
+         
+        x=pot2*20000;
+        if(x==0) x=0.01f*20000;
+         if(x<1000){
+             x1=1000/x;
+             buzzer.period_ms(x1);
+             }
+         else{
+             x1=1000000/x;
+             buzzer.period_us(x1);
+         }
+         
+          wait_ms(30);
+         }   
+      
+    }
+
+
+
+void ISR_sw1(){
+    flag = 1;
+}
+
+
+void display(){
+    postotak=pot1*100;
+    desetice=postotak/10;
+    jedinice=postotak-(desetice*10);
+    
+    while(i<100){     
+    SEL1=0;
+    switch(desetice){
+        
+        case 1: display2=0xF9; break;
+        case 2: display2=0xA4; break;
+        case 3: display2=0xB0; break;
+        case 4: display2=0x99; break;
+        case 5: display2=0x92; break;
+        case 6: display2=0x82; break;
+        case 7: display2=0xF8; break;
+        case 8: display2=0x80; break;
+        case 9: display2=0x90; break;
+        default: SEL1=1; break;
+    }
+     wait_ms(5);
+    SEL1=1;
+    SEL2=0;
+     switch(jedinice){
+        case 0: SEL1=1;display2=0x40; break;
+        case 1: display2=0xF9; break;
+        case 2: display2=0xA4; break;
+        case 3: display2=0xB0; break;
+        case 4: display2=0x99; break;
+        case 5: display2=0x92; break;
+        case 6: display2=0x82; break;
+        case 7: display2=0xF8; break;
+        case 8: display2=0x80; break;
+        case 9: display2=0x90; break;
+    }
+    wait_ms(5);
+    i++;
+    SEL2=1;
+    }
+    
+    SEL1=1; SEL2=1;
+    flag=0;
+    i=0;
+    }
\ No newline at end of file