Diff: main.cpp

Revision:

0:114829cedd35

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Nov 13 09:17:07 2021 +0000
@@ -0,0 +1,70 @@
+/* Isidora Milivojevic
+*  2020/0214
+*  ETF Beograd
+*/
+
+// Uvoz biblioteka
+#include "mbed.h"
+
+// Definisanje makroa
+#define WAIT                                                                0.1
+#define ACTIVE                                                                0 
+#define NOT_ACTIVE                                                            1   
+
+//Globalne promenljive
+AnalogIn pot1(PA_0);
+AnalogIn pot2(PA_1);
+InterruptIn sw1(PC_9);
+PwmOut buzz(PA_11);
+DigitalOut select1(PC_7);
+DigitalOut select2(PB_6);
+BusOut display(PA_10, PA_9, PA_8, PB_10, PB_5, PB_4, PB_3);
+int j = 0;
+int d = 0;
+int digits[11] = { 0b1000000, //0
+                       0b1111001, //1
+                       0b0100100, //2
+                       0b0110000, //3
+                       0b0011001, //4
+                       0b0010010, //5
+                       0b0000010, //6
+                       0b1111000, //7
+                       0b0000000, //8
+                       0b0010000, //9
+                  };
+
+//Prototipi funkcija
+void ISR_sw1(void);
+
+ //Glavna funkcija
+int main() {
+    sw1.fall(&ISR_sw1);
+    select1.write(NOT_ACTIVE);
+    select2.write(NOT_ACTIVE);
+    while (true){
+        buzz.period_us(pot2.read()*2000+100); //Menjanje frekvenicje zujalice pomocu pot2
+        buzz.write(pot1.read()); //Menjanje jacine zujalice pomocu pot1
+        j = (int(pot1.read()*100))%10; //Jedinice jacine zvuka
+        d = (int(pot1.read()*100))/10; //Desetice jacine zvuka
+    }
+}
+
+//Prekidna rutina za pritisak tastera
+void ISR_sw1(){
+    while(true){
+        if(!d) {
+            display.write(digits[j]);
+            select1.write(ACTIVE);
+            select2.write(NOT_ACTIVE);
+        } else {
+            display.write(digits[d]); 
+            select1.write(NOT_ACTIVE);
+            select2.write(ACTIVE);
+            wait_ms(10);
+            display.write(digits[j]);                  
+            select1.write(ACTIVE);
+            select2.write(NOT_ACTIVE);
+            wait_ms(10);    
+        }      
+    }
+}
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