From 44845fe5afc145131b9ce696230116df62b32754 Mon Sep 17 00:00:00 2001
From: Stepan Usatiuk <stepanusatiuk@gmail.com>
Date: Mon, 22 Jul 2019 20:06:46 +0300
Subject: [PATCH] add a comment

---
 Firmware/MotorControl/src/main.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Firmware/MotorControl/src/main.cpp b/Firmware/MotorControl/src/main.cpp
index d7f74a4..341bb88 100644
--- a/Firmware/MotorControl/src/main.cpp
+++ b/Firmware/MotorControl/src/main.cpp
@@ -135,6 +135,11 @@ void setup() {
 volatile unsigned int tick = 0;
 volatile bool armed = false;
 
+/*
+We use our own timer for more precise timings
+And it ticks only when armed, to ensure
+that updateExecution() doesn't skip a single tick
+ */
 ISR(TIMER2_COMPA_vect) {
     if (armed) {
         tick++;