From 2d18dcd014d9b07e61dfa30b4dc7b67a40017c45 Mon Sep 17 00:00:00 2001
From: Sergey Yarkov <serzh.yarkov@gmail.com>
Date: Sat, 25 Sep 2021 00:24:49 +0300
Subject: [PATCH] refactor: blink

---
 firmware.asm | 28 +++++++++++++++++++++++-----
 firmware.hex |  8 +++++---
 2 files changed, 28 insertions(+), 8 deletions(-)

diff --git a/firmware.asm b/firmware.asm
index 9606777..38c42a8 100644
--- a/firmware.asm
+++ b/firmware.asm
@@ -20,8 +20,7 @@
 .equ LED_PORT = PORTA       ; LED Port
 .equ LED_PIN = PINA0        ; LED Pin
 
-.equ oVal = 70
-.equ iVal = 1000
+.equ iVal = 65000
 
 .org 0x00                   ; Start program at 0x00
 .cseg                       ; Code segment
@@ -29,9 +28,7 @@
 main:                       ; Start up program
   init_stack_p r16, RAMEND
   rcall init_ports          ; Initialize MCU ports
-  ldi r18, oVal
-  ldi r24, low(iVal)
-  ldi r25, high(iVal)
+  rcall delay_loop_reset
 
 loop:                       ; Program loop
   cbi LED_PORT, LED_PIN
@@ -48,7 +45,28 @@ init_ports:                 ; Init MCU ports
   out LED_PORT, r17
 ret
 
+delay_loop_reset:           ; Load value to registar pair again
+  ldi r24, low(iVal)
+  ldi r25, high(iVal)
+ret
+
 delay_loop:
   sbiw r24, 1
   brne delay_loop
+  nop
+  rcall delay_loop_reset
+  rcall delay_loop_2
+ret
+
+delay_loop_2:
+  sbiw r24, 1
+  brne delay_loop_2
+  rcall delay_loop_reset
+  rcall delay_loop_3
+ret
+
+delay_loop_3:
+  sbiw r24, 1
+  brne delay_loop_3
+  rcall delay_loop_reset
 ret
\ No newline at end of file
diff --git a/firmware.hex b/firmware.hex
index c6b96a1..30f1af6 100644
--- a/firmware.hex
+++ b/firmware.hex
@@ -1,5 +1,7 @@
 :020000020000FC
-:100000000FED0DBF08D026E488EE93E0D89809D014
-:10001000D89A07D0FBCF01E010E000000ABB1BBB61
-:0800200008950197F1F708951E
+:100000000FED0DBF06D00BD0D8980CD0D89A0AD0DF
+:10001000FBCF01E010E000000ABB1BBB089588EE97
+:100020009DEF08950197F1F70000F9DF01D00895E1
+:100030000197F1F7F4DF01D008950197F1F7EFDFB1
+:02004000089521
 :00000001FF