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v1.6.0 to add support to MegaCoreX core
### Release v1.6.0 1. Add support to `MegaCoreX` core, including ATmega4809, ATmega4808, ATmega3209, ATmega3208, ATmega1609, ATmega1608, ATmega809 and ATmega808 2. Fix compiler warning 3. Update all examples
1 parent 3102f22 commit 9e21b79

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-75
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‎CONTRIBUTING.md

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Original file line numberDiff line numberDiff line change
@@ -15,7 +15,7 @@ If you don't find anything, please [open a new issue](https://github.com/khoih-p
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Please ensure to specify the following:
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* Arduino IDE version (e.g. 1.8.19) or Platform.io version
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* `Arduino megaAVR` Core Version (e.g. Arduino megaAVR core v1.8.7)
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* `Arduino megaAVR` or `MegaCoreX` Core Version (e.g. Arduino megaAVR core v1.8.7 or MegaCoreX core v1.0.9)
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* Contextual information (e.g. what you were trying to achieve)
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* Simplest possible steps to reproduce
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* Anything that might be relevant in your opinion, such as:
@@ -29,7 +29,7 @@ Please ensure to specify the following:
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Arduino IDE version: 1.8.19
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Arduino megaAVR Core Version 1.8.7
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OS: Ubuntu 20.04 LTS
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Linux xy-Inspiron-3593 5.4.0-96-generic #109-Ubuntu SMP Wed Jan 12 16:49:16 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
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Linux xy-Inspiron-3593 5.4.0-97-generic #110-Ubuntu SMP Thu Jan 13 18:22:13 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
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Context:
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I encountered a crash while trying to use the Timer Interrupt.
@@ -49,3 +49,4 @@ There are usually some outstanding feature requests in the [existing issues list
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### Sending Pull Requests
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Pull Requests with changes and fixes are also welcome!
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‎README.md

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@@ -6,6 +6,12 @@
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[![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](#Contributing)
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[![GitHub issues](https://img.shields.io/github/issues/khoih-prog/megaAVR_TimerInterrupt.svg)](http://github.com/khoih-prog/megaAVR_TimerInterrupt/issues)
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<a href="https://www.buymeacoffee.com/khoihprog6" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Buy Me A Coffee" style="height: 60px !important;width: 217px !important;" ></a>
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---
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---
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## Table of Contents
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* [Important Change from v1.5.0](#Important-Change-from-v150)
@@ -132,7 +138,8 @@ The catch is your function is now part of an ISR (Interrupt Service Routine), an
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1. [`Arduino IDE 1.8.19+` for Arduino](https://github.com/arduino/Arduino). [![GitHub release](https://img.shields.io/github/release/arduino/Arduino.svg)](https://github.com/arduino/Arduino/releases/latest)
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2. [`Arduino megaAVR core 1.8.7+`](https://github.com/arduino/ArduinoCore-megaavr/releases) for Arduino megaAVR boards. Use Arduino Board Manager to install.
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3. To use with certain example
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3. [`MegaCoreX megaAVR core 1.0.9+`](https://github.com/MCUdude/MegaCoreX/releases) for Arduino megaAVR boards. [![GitHub release](https://img.shields.io/github/release/MCUdude/MegaCoreX.svg)](https://github.com/MCUdude/MegaCoreX/releases/latest). Follow [**How to install**](https://github.com/MCUdude/MegaCoreX#how-to-install).
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4. To use with certain example
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- [`SimpleTimer library`](https://github.com/jfturcot/SimpleTimer) for [ISR_Timers_Array_Simple](examples/ISR_Timers_Array_Simple) and [ISR_16_Timers_Array_Complex](examples/ISR_16_Timers_Array_Complex) examples.
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---
@@ -427,8 +434,11 @@ void setup()
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### Example [ISR_16_Timers_Array_Complex](examples/ISR_16_Timers_Array_Complex)
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```cpp
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#if !( defined(__AVR_ATmega4809__) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) )
431-
#error This is designed only for Arduino megaAVR board! Please check your Tools->Board setting.
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#if !( defined(__AVR_ATmega4809__) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) || \
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defined(ARDUINO_AVR_ATmega4809) || defined(ARDUINO_AVR_ATmega4808) || defined(ARDUINO_AVR_ATmega3209) || \
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defined(ARDUINO_AVR_ATmega3208) || defined(ARDUINO_AVR_ATmega1609) || defined(ARDUINO_AVR_ATmega1608) || \
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defined(ARDUINO_AVR_ATmega809) || defined(ARDUINO_AVR_ATmega808) )
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#error This is designed only for Arduino or MegaCoreX megaAVR board! Please check your Tools->Board setting
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#endif
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// These define's must be placed at the beginning before #include "megaAVR_TimerInterrupt.h"
@@ -448,7 +458,7 @@ void setup()
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#define USE_TIMER_0 false
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#define USE_TIMER_1 true
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#define USE_TIMER_2 true
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#define USE_TIMER_2 false
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#define USE_TIMER_3 false
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// To be included only in main(), .ino with setup() to avoid `Multiple Definitions` Linker Error
@@ -924,8 +934,6 @@ Timer : 12, programmed : 65000, actual : 65014
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Timer : 13, programmed : 70000, actual : 70008
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Timer : 14, programmed : 75000, actual : 75012
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Timer : 15, programmed : 80000, actual : 80016
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```
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---
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```
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---
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### 1. ISR_16_Timers_Array_Complex on Arduino megaAVR Nano Every using MegaCoreX
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The following is the sample terminal output when running example [ISR_16_Timers_Array_Complex](examples/ISR_16_Timers_Array_Complex) on **Arduino megaAVR Nano Every using MegaCoreX** to demonstrate the accuracy of ISR Hardware Timer, **especially when system is very busy**. The ISR timer is **programmed for 2s, is activated exactly after 2.000s !!!**
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While software timer, **programmed for 2s, is activated after more than 10.000s in loop().
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```
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Starting ISR_16_Timers_Array_Complex on MegaCoreX ATmega4809
1255+
megaAVR_TimerInterrupt v1.6.0
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CPU Frequency = 16 MHz
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TCB Clock Frequency = 16MHz for highest accuracy
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[TISR] TCB1
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[TISR] ==================
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[TISR] Init, Timer = 1
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[TISR] CTRLB = 0
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[TISR] CCMP = 65535
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[TISR] INTCTRL = 0
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[TISR] CTRLA = 1
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[TISR] ==================
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[TISR] Frequency = 200.00, CLK_TCB_FREQ = 16000000
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[TISR] setFrequency: _CCMPValueRemaining = 80000
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Starting ITimer1 OK, millis() = 12
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SimpleTimer : 2, ms : 10013, Dms : 10013
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Timer : 0, programmed : 5000, actual : 5016
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Timer : 1, programmed : 10000, actual : 10016
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Timer : 2, programmed : 15000, actual : 0
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Timer : 3, programmed : 20000, actual : 0
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Timer : 4, programmed : 25000, actual : 0
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Timer : 5, programmed : 30000, actual : 0
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Timer : 6, programmed : 35000, actual : 0
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Timer : 7, programmed : 40000, actual : 0
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Timer : 8, programmed : 45000, actual : 0
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Timer : 9, programmed : 50000, actual : 0
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Timer : 10, programmed : 55000, actual : 0
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Timer : 11, programmed : 60000, actual : 0
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Timer : 12, programmed : 65000, actual : 0
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Timer : 13, programmed : 70000, actual : 0
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Timer : 14, programmed : 75000, actual : 0
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Timer : 15, programmed : 80000, actual : 0
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SimpleTimer : 2, ms : 20072, Dms : 10059
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Timer : 0, programmed : 5000, actual : 5000
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Timer : 1, programmed : 10000, actual : 10000
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Timer : 2, programmed : 15000, actual : 15016
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Timer : 3, programmed : 20000, actual : 20016
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Timer : 4, programmed : 25000, actual : 0
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Timer : 5, programmed : 30000, actual : 0
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Timer : 6, programmed : 35000, actual : 0
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Timer : 7, programmed : 40000, actual : 0
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Timer : 8, programmed : 45000, actual : 0
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Timer : 9, programmed : 50000, actual : 0
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Timer : 10, programmed : 55000, actual : 0
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Timer : 11, programmed : 60000, actual : 0
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Timer : 12, programmed : 65000, actual : 0
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Timer : 13, programmed : 70000, actual : 0
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Timer : 14, programmed : 75000, actual : 0
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Timer : 15, programmed : 80000, actual : 0
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SimpleTimer : 2, ms : 30132, Dms : 10060
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Timer : 0, programmed : 5000, actual : 5000
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Timer : 1, programmed : 10000, actual : 10001
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Timer : 2, programmed : 15000, actual : 15001
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Timer : 3, programmed : 20000, actual : 20016
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Timer : 4, programmed : 25000, actual : 25017
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Timer : 5, programmed : 30000, actual : 30017
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Timer : 6, programmed : 35000, actual : 0
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Timer : 7, programmed : 40000, actual : 0
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Timer : 8, programmed : 45000, actual : 0
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Timer : 9, programmed : 50000, actual : 0
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Timer : 10, programmed : 55000, actual : 0
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Timer : 11, programmed : 60000, actual : 0
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Timer : 12, programmed : 65000, actual : 0
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Timer : 13, programmed : 70000, actual : 0
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Timer : 14, programmed : 75000, actual : 0
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Timer : 15, programmed : 80000, actual : 0
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SimpleTimer : 2, ms : 40192, Dms : 10060
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Timer : 0, programmed : 5000, actual : 5000
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Timer : 1, programmed : 10000, actual : 10000
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Timer : 2, programmed : 15000, actual : 15001
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Timer : 3, programmed : 20000, actual : 20001
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Timer : 4, programmed : 25000, actual : 25017
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Timer : 5, programmed : 30000, actual : 30017
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Timer : 6, programmed : 35000, actual : 35017
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Timer : 7, programmed : 40000, actual : 40017
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Timer : 8, programmed : 45000, actual : 0
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Timer : 9, programmed : 50000, actual : 0
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Timer : 10, programmed : 55000, actual : 0
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Timer : 11, programmed : 60000, actual : 0
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Timer : 12, programmed : 65000, actual : 0
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Timer : 13, programmed : 70000, actual : 0
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Timer : 14, programmed : 75000, actual : 0
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Timer : 15, programmed : 80000, actual : 0
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SimpleTimer : 2, ms : 50253, Dms : 10061
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Timer : 0, programmed : 5000, actual : 5000
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Timer : 1, programmed : 10000, actual : 10000
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Timer : 2, programmed : 15000, actual : 15000
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Timer : 3, programmed : 20000, actual : 20001
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Timer : 4, programmed : 25000, actual : 25000
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Timer : 5, programmed : 30000, actual : 30017
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Timer : 6, programmed : 35000, actual : 35017
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Timer : 7, programmed : 40000, actual : 40017
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Timer : 8, programmed : 45000, actual : 45017
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Timer : 9, programmed : 50000, actual : 50017
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Timer : 10, programmed : 55000, actual : 0
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Timer : 11, programmed : 60000, actual : 0
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Timer : 12, programmed : 65000, actual : 0
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Timer : 13, programmed : 70000, actual : 0
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Timer : 14, programmed : 75000, actual : 0
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Timer : 15, programmed : 80000, actual : 0
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SimpleTimer : 2, ms : 60315, Dms : 10062
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Timer : 0, programmed : 5000, actual : 5000
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Timer : 1, programmed : 10000, actual : 10000
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Timer : 2, programmed : 15000, actual : 15000
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Timer : 3, programmed : 20000, actual : 20000
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Timer : 4, programmed : 25000, actual : 25000
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Timer : 5, programmed : 30000, actual : 30000
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Timer : 6, programmed : 35000, actual : 35017
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Timer : 7, programmed : 40000, actual : 40017
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Timer : 8, programmed : 45000, actual : 45017
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Timer : 9, programmed : 50000, actual : 50017
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Timer : 10, programmed : 55000, actual : 55017
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Timer : 11, programmed : 60000, actual : 60017
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Timer : 12, programmed : 65000, actual : 0
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Timer : 13, programmed : 70000, actual : 0
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Timer : 14, programmed : 75000, actual : 0
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Timer : 15, programmed : 80000, actual : 0
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SimpleTimer : 2, ms : 70377, Dms : 10062
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Timer : 0, programmed : 5000, actual : 5000
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Timer : 1, programmed : 10000, actual : 9996
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Timer : 2, programmed : 15000, actual : 15000
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Timer : 3, programmed : 20000, actual : 20000
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Timer : 4, programmed : 25000, actual : 25000
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Timer : 5, programmed : 30000, actual : 30000
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Timer : 6, programmed : 35000, actual : 34996
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Timer : 7, programmed : 40000, actual : 40017
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Timer : 8, programmed : 45000, actual : 45017
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Timer : 9, programmed : 50000, actual : 50017
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Timer : 10, programmed : 55000, actual : 55017
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Timer : 11, programmed : 60000, actual : 60017
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Timer : 12, programmed : 65000, actual : 65013
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Timer : 13, programmed : 70000, actual : 70013
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Timer : 14, programmed : 75000, actual : 0
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Timer : 15, programmed : 80000, actual : 0
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SimpleTimer : 2, ms : 80440, Dms : 10063
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Timer : 0, programmed : 5000, actual : 5000
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Timer : 1, programmed : 10000, actual : 10000
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Timer : 2, programmed : 15000, actual : 14996
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Timer : 3, programmed : 20000, actual : 19996
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Timer : 4, programmed : 25000, actual : 24996
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Timer : 5, programmed : 30000, actual : 30000
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Timer : 6, programmed : 35000, actual : 34996
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Timer : 7, programmed : 40000, actual : 39996
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Timer : 8, programmed : 45000, actual : 45017
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Timer : 9, programmed : 50000, actual : 50017
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Timer : 10, programmed : 55000, actual : 55017
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Timer : 11, programmed : 60000, actual : 60017
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Timer : 12, programmed : 65000, actual : 65013
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Timer : 13, programmed : 70000, actual : 70013
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Timer : 14, programmed : 75000, actual : 75013
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Timer : 15, programmed : 80000, actual : 80013
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```
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---
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---
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9. Selectable **TCB Clock 16MHz, 8MHz or 250KHz** depending on necessary accuracy
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10. Fix `multiple-definitions` linker error
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11. Optimize library code by using `reference-passing` instead of `value-passing`
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12. Add support to `MegaCoreX` core, including ATmega4809, ATmega4808, ATmega3209, ATmega3208, ATmega1609, ATmega1608, ATmega809 and ATmega808
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‎changelog.md

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## Table of Contents
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* [Changelog](#changelog)
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* [Release v1.6.0](#release-v160)
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* [Release v1.5.0](#release-v150)
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* [Release v1.4.0](#release-v140)
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* [Release v1.3.0](#release-v130)
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## Changelog
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### Release v1.6.0
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1. Add support to `MegaCoreX` core, including ATmega4809, ATmega4808, ATmega3209, ATmega3208, ATmega1609, ATmega1608, ATmega809 and ATmega808
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2. Fix compiler warning
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3. Update all examples
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### Release v1.5.0
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1. Fix `multiple-definitions` linker error. Drop `src_cpp` and `src_h` directories

‎examples/Argument_Complex/Argument_Complex.ino

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This important feature is absolutely necessary for mission-critical tasks.
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*****************************************************************************************************************************/
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#if !( defined(__AVR_ATmega4809__) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) )
17-
#error This is designed only for Arduino megaAVR board! Please check your Tools->Board setting.
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#if !( defined(__AVR_ATmega4809__) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) || \
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defined(ARDUINO_AVR_ATmega4809) || defined(ARDUINO_AVR_ATmega4808) || defined(ARDUINO_AVR_ATmega3209) || \
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defined(ARDUINO_AVR_ATmega3208) || defined(ARDUINO_AVR_ATmega1609) || defined(ARDUINO_AVR_ATmega1608) || \
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defined(ARDUINO_AVR_ATmega809) || defined(ARDUINO_AVR_ATmega808) )
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#error This is designed only for Arduino or MegaCoreX megaAVR board! Please check your Tools->Board setting
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#endif
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// These define's must be placed at the beginning before #include "megaAVR_TimerInterrupt.h"

‎examples/Argument_None/Argument_None.ino

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This important feature is absolutely necessary for mission-critical tasks.
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*****************************************************************************************************************************/
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#if !( defined(__AVR_ATmega4809__) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) )
17-
#error This is designed only for Arduino megaAVR board! Please check your Tools->Board setting.
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#if !( defined(__AVR_ATmega4809__) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) || \
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defined(ARDUINO_AVR_ATmega4809) || defined(ARDUINO_AVR_ATmega4808) || defined(ARDUINO_AVR_ATmega3209) || \
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defined(ARDUINO_AVR_ATmega3208) || defined(ARDUINO_AVR_ATmega1609) || defined(ARDUINO_AVR_ATmega1608) || \
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defined(ARDUINO_AVR_ATmega809) || defined(ARDUINO_AVR_ATmega808) )
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#error This is designed only for Arduino or MegaCoreX megaAVR board! Please check your Tools->Board setting
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#endif
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// These define's must be placed at the beginning before #include "megaAVR_TimerInterrupt.h"

‎examples/Argument_Simple/Argument_Simple.ino

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This important feature is absolutely necessary for mission-critical tasks.
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*****************************************************************************************************************************/
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#if !( defined(__AVR_ATmega4809__) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) )
17-
#error This is designed only for Arduino megaAVR board! Please check your Tools->Board setting.
16+
#if !( defined(__AVR_ATmega4809__) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) || \
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defined(ARDUINO_AVR_ATmega4809) || defined(ARDUINO_AVR_ATmega4808) || defined(ARDUINO_AVR_ATmega3209) || \
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defined(ARDUINO_AVR_ATmega3208) || defined(ARDUINO_AVR_ATmega1609) || defined(ARDUINO_AVR_ATmega1608) || \
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defined(ARDUINO_AVR_ATmega809) || defined(ARDUINO_AVR_ATmega808) )
20+
#error This is designed only for Arduino or MegaCoreX megaAVR board! Please check your Tools->Board setting
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// These define's must be placed at the beginning before #include "megaAVR_TimerInterrupt.h"

‎examples/Change_Interval/Change_Interval.ino

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or the entire sequence of your code which accesses the data.
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*/
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#if !( defined(__AVR_ATmega4809__) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) )
29-
#error This is designed only for Arduino megaAVR board! Please check your Tools->Board setting.
28+
#if !( defined(__AVR_ATmega4809__) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) || \
29+
defined(ARDUINO_AVR_ATmega4809) || defined(ARDUINO_AVR_ATmega4808) || defined(ARDUINO_AVR_ATmega3209) || \
30+
defined(ARDUINO_AVR_ATmega3208) || defined(ARDUINO_AVR_ATmega1609) || defined(ARDUINO_AVR_ATmega1608) || \
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defined(ARDUINO_AVR_ATmega809) || defined(ARDUINO_AVR_ATmega808) )
32+
#error This is designed only for Arduino or MegaCoreX megaAVR board! Please check your Tools->Board setting
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#endif
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// These define's must be placed at the beginning before #include "megaAVR_TimerInterrupt.h"
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4649
#define USE_TIMER_0 false
4750
#define USE_TIMER_1 true
48-
#define USE_TIMER_2 true
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52+
#if ( defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) )
53+
#define USE_TIMER_2 true
54+
#else
55+
#define USE_TIMER_2 false
56+
#endif
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4958
#define USE_TIMER_3 false
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// To be included only in main(), .ino with setup() to avoid `Multiple Definitions` Linker Error
@@ -124,7 +133,6 @@ void setup()
124133
Serial.println(F("250KHz for lower accuracy but longer time"));
125134
#endif
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// Select Timer 1-2 for UNO, 0-5 for MEGA
129137
// Timer 2 is 8-bit timer, only for higher frequency
130138
ITimer1.init();
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140148
else
141149
Serial.println(F("Can't set ITimer1. Select another freq. or timer"));
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143-
#if USE_TIMER_2
151+
#if ( defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) ) && USE_TIMER_2
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// Select Timer 1-2 for UNO, 0-5 for MEGA
146154
// Timer 2 is 8-bit timer, only for higher frequency

‎examples/Change_Interval_HF/Change_Interval_HF.ino

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or the entire sequence of your code which accesses the data.
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*/
2727

28-
#if !( defined(__AVR_ATmega4809__) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) )
29-
#error This is designed only for Arduino megaAVR board! Please check your Tools->Board setting.
28+
#if !( defined(__AVR_ATmega4809__) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) || \
29+
defined(ARDUINO_AVR_ATmega4809) || defined(ARDUINO_AVR_ATmega4808) || defined(ARDUINO_AVR_ATmega3209) || \
30+
defined(ARDUINO_AVR_ATmega3208) || defined(ARDUINO_AVR_ATmega1609) || defined(ARDUINO_AVR_ATmega1608) || \
31+
defined(ARDUINO_AVR_ATmega809) || defined(ARDUINO_AVR_ATmega808) )
32+
#error This is designed only for Arduino or MegaCoreX megaAVR board! Please check your Tools->Board setting
3033
#endif
3134

3235
// These define's must be placed at the beginning before #include "megaAVR_TimerInterrupt.h"

‎examples/FakeAnalogWrite/FakeAnalogWrite.ino

Lines changed: 5 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -24,8 +24,11 @@
2424
or the entire sequence of your code which accesses the data.
2525
*/
2626

27-
#if !( defined(__AVR_ATmega4809__) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) )
28-
#error This is designed only for Arduino megaAVR board! Please check your Tools->Board setting.
27+
#if !( defined(__AVR_ATmega4809__) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_AVR_NANO_EVERY) || \
28+
defined(ARDUINO_AVR_ATmega4809) || defined(ARDUINO_AVR_ATmega4808) || defined(ARDUINO_AVR_ATmega3209) || \
29+
defined(ARDUINO_AVR_ATmega3208) || defined(ARDUINO_AVR_ATmega1609) || defined(ARDUINO_AVR_ATmega1608) || \
30+
defined(ARDUINO_AVR_ATmega809) || defined(ARDUINO_AVR_ATmega808) )
31+
#error This is designed only for Arduino or MegaCoreX megaAVR board! Please check your Tools->Board setting
2932
#endif
3033

3134
// These define's must be placed at the beginning before #include "megaAVR_TimerInterrupt.h"

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