From 4f7736b055f5a63e015cddf9ec7e10d1f0576ded Mon Sep 17 00:00:00 2001
From: Sean <sdugre@gmail.com>
Date: Wed, 6 Apr 2022 23:16:05 -0400
Subject: [PATCH] added comments

---
 cubeplex.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/cubeplex.h b/cubeplex.h
index 20a2429..0016500 100644
--- a/cubeplex.h
+++ b/cubeplex.h
@@ -602,7 +602,7 @@ int maxTimer = 6250;  // 100ms delay / 16uS interrupt time
 
 int nextState(int state) { return  (state+1)%2; }
 
-// the interrupt function to display the leds
+// the interrupt function to display the leds  (T2 = 8 bit timer)
 ISR(TIMER2_OVF_vect) {
   if (not timerReset){
     currentTimer++;
@@ -642,7 +642,7 @@ ISR(TIMER2_OVF_vect) {
   }
 }
 
-/******************************************************************************\
+  /**************************Applies to T2 (8 bit timer) only********************\
   | Some helpfull info for overflowing timers with different prescaler values    |
   |  16000000 / (   1*256) = 16000000 / 256    =  62500 Hz                       |
   |  16000000 / (   8*256) = 16000000 / 2048   =  ~7812 Hz                       |
@@ -656,7 +656,7 @@ ISR(TIMER2_OVF_vect) {
 int animationTimer = 0;
 int animationMax = 0;
 
-
+// T1 = 16 bit timer
 ISR(TIMER1_OVF_vect) {
   animationTimer++;
   if (animationTimer >= animationMax) {