Updated with comments on prescaler usage for F_CPU

CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.20)
 
 # Use the fancy version substitution
 project(main
-    VERSION 0.2.2
+    VERSION 0.2.4
     DESCRIPTION "template for cmake + cpputest"
     LANGUAGES   C CXX
 )

avr-gcc-toolchain.cmake

@@ -16,9 +16,10 @@ set(AVR_MCU attiny13a)
 
 #set(F_CPU 16000000UL)
 #set(F_CPU 8000000UL)
-#set(F_CPU 9600000UL)
-set(F_CPU 1200000UL)
-#set(F_CPU 4800000UL)
+#set(F_CPU 9600000UL)#AVR without prescaler
+set(F_CPU 1200000UL) #AVR (9.6MHz) with prescaler 8DIV
+#set(F_CPU 4800000UL) #AVR without prescaler
+#set(F_CPU 600000UL) #AVR (4.8MHz) with prescaler 8DIV
 
 add_compile_definitions(F_CPU=${F_CPU})
 # add_compile_definitions(MCU=atmega328p)

inc/main.h

@@ -49,7 +49,7 @@
 #define SPEED_PIN PB2 // Pin 7/ADC1
 #define BUTTON_PIN PB4 // Pin 3 - Button input
 
-#define MOTOR_PULSE 1 //uS motor base pulse
+#define MOTOR_PULSE 6 //uS motor base pulse
 
 
 /*The timing of "ticks" is dependent on the AVR timer's counter register