From be06b3f380d6510b9fc3e328e48f886fc82d4244 Mon Sep 17 00:00:00 2001
From: agsler <agsler@debian>
Date: Fri, 11 Nov 2022 12:40:21 +0100
Subject: [PATCH] change timer 0 to 2

---
 modbus-master.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/modbus-master.c b/modbus-master.c
index 13f5bed..3d70c71 100644
--- a/modbus-master.c
+++ b/modbus-master.c
@@ -5,18 +5,18 @@
 
 #define receiveOkay (modbusGetBusState() & (1<<ReceiveCompleted))
 
-void timer0_init()
+void timer2_init()
 {
-    TCCR0A = (1<<WGM01); //TIMER0 SET-UP: CTC MODE
-    TCCR0B|=(1<<CS01); //prescaler 8
-    OCR0A = 200; 
-	TIMSK0|=(1<<OCIE0A);
+    TCCR2A = (1<<WGM21); //TIMER0 SET-UP: CTC MODE
+    TCCR2B|=(1<<CS21); //prescaler 8
+    OCR2A = 200; 
+	TIMSK2|=(1<<OCIE2A);
 }
 
 void modbus_master_init(){
     modbusSetAddress(1); //better set this to sth.
 	modbusInit();
-    timer0_init(); // modbus tick timer
+    timer2_init(); // modbus tick timer
 }
 
 int8_t wait_receive(uint8_t len, uint16_t dest[], uint8_t timeout){
@@ -121,6 +121,6 @@ void writeCoil(uint8_t slaveid, uint16_t address, uint16_t value) {
     modbusSendMessage(5);
 }
 
-ISR(TIMER0_COMPA_vect) { //this ISR is called 9765.625 times per second
+ISR(TIMER2_COMPA_vect) { //this ISR is called 9765.625 times per second
 	modbusTickTimer();
 }