rpm function added for part 1

src/main.cpp

@@ -16,8 +16,10 @@ int main() {
 
     while (true) {
         _delay_ms(50);
-        Serial.print("Counts per second: ");
-        Serial.println(encoder.count_per_sec());
+        // Serial.print("Counts per second: ");
+        // Serial.println(encoder.count_per_sec());
+        Serial.print("RPM: ");
+        Serial.println(encoder.rpm());
     }
     return 0;
 }

src/part1_first_working_main.cpp

@@ -1,4 +1,4 @@
-#include <avr/io.h>
+/* #include <avr/io.h>
 #include <util/delay.h>
 #include <Arduino.h>
 
@@ -47,4 +47,4 @@ int main() {
 
 
     return 0;
-}
+} */

src/part1part2.cpp

@@ -1,4 +1,4 @@
-#include <avr/io.h>
+/* #include <avr/io.h>
 #include <util/delay.h>
 #include <Arduino.h>
 
@@ -63,3 +63,4 @@ int main() {
     }
     return 0;
 }
+ */

src/part3part1.cpp

@@ -1,4 +1,4 @@
-#include <avr/io.h>
+/* #include <avr/io.h>
 #include <util/delay.h>
 #include <Arduino.h>
 
@@ -66,3 +66,4 @@ int main() {
 ISR(INT0_vect) {
     encoder.update();
 }
+ */

src/rotary_encoder_driver.cpp

@@ -44,6 +44,10 @@ void RotaryEncoderDriver::update_delta() {
 
 float RotaryEncoderDriver::count_per_sec() {
     return delta / (256.0f * 0.0001f);
+} 
+
+float RotaryEncoderDriver::rpm() {
+    return (count_per_sec() * 60) / 1050.0;
 }
 
 

src/timer_usec.cpp

@@ -1,5 +1,7 @@
 #include "timer_usec.h"
 
+Timer_usec::Timer_usec() = default;
+
 void Timer_usec::init(uint16_t period_us) { // for custom duty cycle duration in ms in part 1
     TCCR1A = 0;
     TCCR1B = 0;