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v1.4.0
### Releases v1.4.0 1. Add support to **Adafruit AVR ATMEGA_32U4** such as **AVR_FLORA8, AVR_FEATHER32U4, etc.** 2. Add support to **Adafruit AVR ATMEGA_328(P)** such as **AVR_FEATHER328P, AVR_METRO, etc.** 3. Update examples
1 parent dc565b8 commit 5a8e114

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-725
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‎CONTRIBUTING.md‎

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@@ -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. 1.8.13) or Platform.io version
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* `Arduino` Core Version (e.g. Arduino AVR core v1.8.3)
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* `Arduino AVR` or `Adafruit AVR` Core Version (e.g. Arduino AVR core v1.8.3 or Adafruit AVR Core v1.4.13)
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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: 1.8.13
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Arduino Core Version 1.8.3
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OS: Ubuntu 20.04 LTS
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Linux xy-Inspiron-3593 5.4.0-66-generic #74-Ubuntu SMP Wed Jan 27 22:54:38 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
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Linux xy-Inspiron-3593 5.4.0-70-generic #78-Ubuntu SMP Fri Mar 19 13:29:52 UTC 2021 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.

‎README.md‎

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@@ -16,6 +16,7 @@
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* [Currently supported Boards](#currently-supported-boards)
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* [Important Notes about ISR](#important-notes-about-isr)
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* [Changelog](#changelog)
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* [Releases v1.4.0](#releases-v140)
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* [Releases v1.3.0](#releases-v130)
2021
* [Releases v1.2.0](#releases-v120)
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* [Releases v1.1.2](#releases-v112)
@@ -82,7 +83,7 @@
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### Features
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This library enables you to use Interrupt from Hardware Timers on an Arduino AVR board, such as Nano, UNO, Mega, etc.
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This library enables you to use Interrupt from Hardware Timers on an Arduino or Adafruit AVR board, such as Nano, UNO, Mega, AVR_FEATHER32U4, etc.
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As **Hardware Timers are rare, and very precious assets** of any board, this library now enables you to use up to **16 ISR-based Timers, while consuming only 1 Hardware Timer**. Timers' interval is very long (**ulong millisecs**).
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@@ -126,18 +127,21 @@ The catch is your function is now part of an ISR (Interrupt Service Routine), an
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### Currently supported Boards
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128129
- Arduino Uno / Mega / Duemilanove / Diecimila / LilyPad / Mini / Fio / Nano, etc.
129-
- Sanguino
130-
- ATmega8, 48, 88, 168, 328
131-
- ATmega8535, 16, 32, 164, 324, 644, 1284,
132-
- ATmega64, 128
133-
- ATtiny 84 / 85
134-
- **ATMega 16U4, 32U4** such as AVR Leonardo, Leonardo ETH, YUN, Esplora, LILYPAD_USB, AVR_ROBOT_CONTROL, AVR_ROBOT_MOTOR, AVR_INDUSTRIAL101, etc.
130+
- **Arduino ATMega 16U4, 32U4** such as AVR Leonardo, Leonardo ETH, YUN, Esplora, LILYPAD_USB, AVR_ROBOT_CONTROL, AVR_ROBOT_MOTOR, AVR_INDUSTRIAL101, etc.
131+
- **Adafruit ATMega 32U4** such as AVR_FLORA8, AVR_FEATHER32U4, AVR_CIRCUITPLAY, AVR_ITSYBITSY32U4_5V, AVR_ITSYBITSY32U4_3V, AVR_BLUEFRUITMICRO, AVR_ADAFRUIT32U4, etc.
132+
- **Adafruit ATMega 328(P)** such as AVR_METRO, AVR_FEATHER328P, AVR_PROTRINKET5, AVR_PROTRINKET3, AVR_PROTRINKET5FTDI, AVR_PROTRINKET3FTDI, etc.
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---
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---
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## Changelog
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### Releases v1.4.0
140+
141+
1. Add support to **Adafruit AVR ATMEGA_32U4** such as **AVR_FLORA8, AVR_FEATHER32U4, etc.**
142+
2. Add support to **Adafruit AVR ATMEGA_328(P)** such as **AVR_FEATHER328P, AVR_METRO, etc.**
143+
3. Update examples
144+
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### Releases v1.3.0
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143147
1. Add support to **AVR ATMEGA_16U4, ATMEGA_32U4** such as **Leonardo, YUN, ESPLORA, etc.**
@@ -177,6 +181,7 @@ The catch is your function is now part of an ISR (Interrupt Service Routine), an
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1. [`Arduino IDE 1.8.13+` for Arduino](https://www.arduino.cc/en/Main/Software)
179183
2. [`Arduino AVR core 1.8.3+`](https://github.com/arduino/ArduinoCore-avr) for Arduino AVR boards. Use Arduino Board Manager to install. [![Latest release](https://img.shields.io/github/release/arduino/ArduinoCore-avr.svg)](https://github.com/arduino/ArduinoCore-avr/releases/latest/)
184+
3. [`Adafruit AVR core 1.4.13+`](https://github.com/adafruit/Adafruit_Arduino_Boards) for Adafruit AVR boards. Use Arduino Board Manager to install.
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---
182187
---
@@ -279,15 +284,11 @@ Before using any Timer, you have to make sure the Timer has not been used by any
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```
281286
// Select the timers you're using, here ITimer1
282-
#if ( TIMER_INTERRUPT_USING_ATMEGA_32U4 )
283-
#define USE_TIMER_1 true
284-
#else
285-
#define USE_TIMER_1 true
286-
#define USE_TIMER_2 false
287-
#define USE_TIMER_3 false
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#define USE_TIMER_4 false
289-
#define USE_TIMER_5 false
290-
#endif
287+
#define USE_TIMER_1 true
288+
#define USE_TIMER_2 false
289+
#define USE_TIMER_3 false
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#define USE_TIMER_4 false
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#define USE_TIMER_5 false
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// Init timer ITimer1
293294
ITimer1.init();
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### 2.2 Init Hardware Timer and ISR-based Timer
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385386
```
386-
#if ( TIMER_INTERRUPT_USING_ATMEGA_32U4 )
387-
#define USE_TIMER_1 true
388-
#else
389-
#define USE_TIMER_1 true
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#define USE_TIMER_2 false
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#define USE_TIMER_3 false
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#define USE_TIMER_4 false
393-
#define USE_TIMER_5 false
394-
#endif
387+
#define USE_TIMER_1 true
388+
#define USE_TIMER_2 false
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#define USE_TIMER_3 false
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#define USE_TIMER_4 false
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#define USE_TIMER_5 false
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// Init ISR_Timer
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// Each ISR_Timer can service 16 different ISR-based timers
@@ -485,41 +482,17 @@ 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_ATmega8__) || defined(__AVR_ATmega128__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) || \
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defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega644__) || defined(__AVR_ATmega644A__) || \
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defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644PA__) || defined(ARDUINO_AVR_UNO) || defined(ARDUINO_AVR_NANO) || \
491-
defined(ARDUINO_AVR_MINI) || defined(ARDUINO_AVR_ETHERNET) || defined(ARDUINO_AVR_FIO) || defined(ARDUINO_AVR_BT) || \
492-
defined(ARDUINO_AVR_LILYPAD) || defined(ARDUINO_AVR_PRO) || defined(ARDUINO_AVR_NG) || defined(ARDUINO_AVR_UNO_WIFI_DEV_ED) )
493-
494-
#elif ( defined(ARDUINO_AVR_LEONARDO) || defined(ARDUINO_AVR_LEONARDO_ETH) || defined(ARDUINO_AVR_YUN) || defined(ARDUINO_AVR_MICRO) || \
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defined(ARDUINO_AVR_ESPLORA) || defined(ARDUINO_AVR_LILYPAD_USB) || defined(ARDUINO_AVR_ROBOT_CONTROL) || defined(ARDUINO_AVR_ROBOT_MOTOR) || \
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defined(ARDUINO_AVR_CIRCUITPLAY) || defined(ARDUINO_AVR_YUNMINI) || defined(ARDUINO_AVR_INDUSTRIAL101) || defined(ARDUINO_AVR_LININO_ONE) )
497-
#if defined(TIMER_INTERRUPT_USING_ATMEGA_32U4)
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#undef TIMER_INTERRUPT_USING_ATMEGA_32U4
499-
#endif
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#define TIMER_INTERRUPT_USING_ATMEGA_32U4 true
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#warning Using ATMega32U4, such as Leonardo or Leonardo ETH. Only Timer1 is available
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#elif defined(ARDUINO_AVR_GEMMA)
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#error These AVR boards are not supported! You can use Software Serial. Please check your Tools->Board setting.
504-
#else
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#error This is designed only for Arduino AVR 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 "TimerInterrupt.h"
509486
// _TIMERINTERRUPT_LOGLEVEL_ from 0 to 4
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// Don't define _TIMERINTERRUPT_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
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#define TIMER_INTERRUPT_DEBUG 0
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#define _TIMERINTERRUPT_LOGLEVEL_ 0
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#if ( TIMER_INTERRUPT_USING_ATMEGA_32U4 )
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#define USE_TIMER_1 true
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#else
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#define USE_TIMER_1 true
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#define USE_TIMER_2 false
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#define USE_TIMER_3 false
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#define USE_TIMER_4 false
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#define USE_TIMER_5 false
522-
#endif
491+
#define USE_TIMER_1 true
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#define USE_TIMER_2 false
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#define USE_TIMER_3 false
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#define USE_TIMER_4 false
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#define USE_TIMER_5 false
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524497
#include "TimerInterrupt.h"
525498
#include "ISR_Timer.h"
@@ -840,7 +813,7 @@ While software timer, **programmed for 2s, is activated after more than 10.000s
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```
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Starting ISR_16_Timers_Array_Complex on AVR
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TimerInterrupt v1.3.0
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TimerInterrupt v1.4.0
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CPU Frequency = 16 MHz
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Starting ITimer2 OK, millis() = 1
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SimpleTimer : 2, ms : 10007, Dms : 10007
@@ -990,7 +963,7 @@ The following is the sample terminal output when running example [Change_Interva
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```
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Starting Change_Interval on AVR
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TimerInterrupt v1.3.0
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TimerInterrupt v1.4.0
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CPU Frequency = 16 MHz
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Starting ITimer1 OK, millis() = 1
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Starting ITimer2 OK, millis() = 4
@@ -1020,8 +993,10 @@ You can also change the debugging level from 0 to 3
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```cpp
1022995
// These define's must be placed at the beginning before #include "TimerInterrupt.h"
1023-
// Don't define TIMER_INTERRUPT_DEBUG > 0. Only for special ISR debugging only. Can hang the system.
1024-
#define TIMER_INTERRUPT_DEBUG 0
996+
// _TIMERINTERRUPT_LOGLEVEL_ from 0 to 4
997+
// Don't define _TIMERINTERRUPT_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
998+
#define TIMER_INTERRUPT_DEBUG 0
999+
#define _TIMERINTERRUPT_LOGLEVEL_ 0
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```
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---
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## Releases
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### Releases v1.4.0
1017+
1018+
1. Add support to **Adafruit AVR ATMEGA_32U4** such as **AVR_FLORA8, AVR_FEATHER32U4, etc.**
1019+
2. Add support to **Adafruit AVR ATMEGA_328(P)** such as **AVR_FEATHER328P, AVR_METRO, etc.**
1020+
3. Update examples
1021+
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### Releases v1.3.0
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10431024
1. Add support to **AVR ATMEGA_16U4, ATMEGA_32U4** such as **Leonardo, YUN, ESPLORA, etc.**
@@ -1080,14 +1061,12 @@ in loop(), using delay() function as an example. The elapsed time then is very u
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---
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### Supported Arduino Boards
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### Currently supported Boards
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1085-
- Arduino Uno / Mega / Leonardo / Duemilanove / Diecimila / LilyPad / Mini / Fio / Nano etc.
1086-
- Sanguino
1087-
- ATmega8, 48, 88, 168, 328
1088-
- ATmega8535, 16, 32, 164, 324, 644, 1284,
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- ATmega64, 128
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- ATtiny 84 / 85
1066+
- Arduino Uno / Mega / Duemilanove / Diecimila / LilyPad / Mini / Fio / Nano, etc.
1067+
- **Arduino ATMega 16U4, 32U4** such as AVR Leonardo, Leonardo ETH, YUN, Esplora, LILYPAD_USB, AVR_ROBOT_CONTROL, AVR_ROBOT_MOTOR, AVR_INDUSTRIAL101, etc.
1068+
- **Adafruit ATMega 32U4** such as AVR_FLORA8, AVR_FEATHER32U4, AVR_CIRCUITPLAY, AVR_ITSYBITSY32U4_5V, AVR_ITSYBITSY32U4_3V, AVR_BLUEFRUITMICRO, AVR_ADAFRUIT32U4, etc.
1069+
- **Adafruit ATMega 328(P)** such as AVR_METRO, AVR_FEATHER328P, AVR_PROTRINKET5, AVR_PROTRINKET3, AVR_PROTRINKET5FTDI, AVR_PROTRINKET3FTDI, etc.
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10921071
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11131092
4. Fix some bugs in v1.0.0
11141093
5. Add more examples.
11151094
6. Similar library for ESP32, ESP8266, SAMD21/SAMD51, nRF52, Mbed-OS Nano-33-BLE, STM32
1116-
7. Add support to **ATMega-16U4, ATMega-32U4**-based boards
1117-
1095+
7. Add support to **Arduino ATMega-16U4, ATMega-32U4**-based boards
1096+
8. Add support to **Adafruit ATMega-32U4**-based boards
1097+
9. Add support to **Adafruit ATMega-328(P)**-based boards
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11191099
---
11201100
---
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11241104
Many thanks for everyone for bug reporting, new feature suggesting, testing and contributing to the development of this library. Especially to these people who have directly or indirectly contributed to this [TimerInterrupt library](https://github.com/khoih-prog/TimerInterrupt)
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1. Thanks to [Django0](https://github.com/Django0) to provide the following PR [Fixed warnings from cppcheck (platformio) and -Wall arduino-cli. PR#10](https://github.com/khoih-prog/TimerInterrupt/pull/10).
1127-
2. Thanks to [eslavko](https://github.com/eslavko) to report the issue [Error compiling for arduino leonardo #13](https://github.com/khoih-prog/TimerInterrupt/issues/13) leading to new release v1.3.0 to provide support to **ATMega-16U4, ATMega-32U4**-based boards, such as AVR Leonardo, Leonardo ETH, YUN, Esplora, LILYPAD_USB, AVR_ROBOT_CONTROL, AVR_ROBOT_MOTOR, AVR_INDUSTRIAL101, etc..
1107+
2. Thanks to [eslavko](https://github.com/eslavko) to report the issue [Error compiling for arduino leonardo #13](https://github.com/khoih-prog/TimerInterrupt/issues/13) leading to new release v1.3.0 to provide support to **Arduino ATMega-16U4, ATMega-32U4**-based boards, such as AVR Leonardo, Leonardo ETH, YUN, Esplora, LILYPAD_USB, AVR_ROBOT_CONTROL, AVR_ROBOT_MOTOR, AVR_INDUSTRIAL101, etc..
1108+
3. Thanks to [bzuidgeest](https://github.com/bzuidgeest) to report the issue [Adafruit feather 32u4 #17](https://github.com/khoih-prog/TimerInterrupt/issues/17) leading to new release v1.4.0 to provide support to Adafruit **ATMega-32U4**-based boards, such as AVR_FLORA8, AVR_FEATHER32U4, AVR_CIRCUITPLAY, AVR_ITSYBITSY32U4_5V, AVR_ITSYBITSY32U4_3V, AVR_BLUEFRUITMICRO, AVR_ADAFRUIT32U4, etc. and Adafrui ATMega-328(P)-based boards, such as AVR_METRO, AVR_FEATHER328P, AVR_PROTRINKET5, AVR_PROTRINKET3, AVR_PROTRINKET5FTDI, AVR_PROTRINKET3FTDI, etc.
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<table>
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<tr>
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<td align="center"><a href="https://github.com/Django0"><img src="https://github.com/Django0.png" width="100px;" alt="Django0"/><br /><sub><b>Django0</b></sub></a><br /></td>
11331114
<td align="center"><a href="https://github.com/eslavko"><img src="https://github.com/eslavko.png" width="100px;" alt="eslavko"/><br /><sub><b>eslavko</b></sub></a><br /></td>
1115+
<td align="center"><a href="https://github.com/bzuidgeest"><img src="https://github.com/bzuidgeest.png" width="100px;" alt="bzuidgeest"/><br /><sub><b>bzuidgeest</b></sub></a><br /></td>
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</tr>
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</table>
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‎examples/Argument_Complex/Argument_Complex.ino‎

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Original file line numberDiff line numberDiff line change
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11
/****************************************************************************************************************************
22
Argument_Complex.ino
3-
For Arduino boards (UNO, Nano, Mega, etc. )
3+
For Arduino and Adadruit AVR 328(P) and 32u4 boards
44
Written by Khoi Hoang
5-
5+
66
Built by Khoi Hoang https://github.com/khoih-prog/TimerInterrupt
77
Licensed under MIT license
8-
8+
99
Now we can use these new 16 ISR-based timers, while consuming only 1 hardware Timer.
1010
Their independently-selected, maximum interval is practically unlimited (limited only by unsigned long miliseconds)
1111
The accuracy is nearly perfect compared to software timers. The most important feature is they're ISR-based timers
1212
Therefore, their executions are not blocked by bad-behaving functions / tasks.
1313
This important feature is absolutely necessary for mission-critical tasks.
14-
14+
1515
Notes:
1616
Special design is necessary to share data between interrupt code and the rest of your program.
1717
Variables usually need to be "volatile" types. Volatile tells the compiler to avoid optimizations that assume
@@ -21,8 +21,8 @@
2121
if the interrupt changes a multi-byte variable between a sequence of instructions, it can be read incorrectly.
2222
If your data is multiple variables, such as an array and a count, usually interrupts need to be disabled
2323
or the entire sequence of your code which accesses the data.
24-
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Version: 1.3.0
24+
25+
Version: 1.4.0
2626
2727
Version Modified By Date Comments
2828
------- ----------- ---------- -----------
@@ -33,47 +33,28 @@
3333
1.1.1 K.Hoang 06/12/2020 Add example Change_Interval. Bump up version to sync with other TimerInterrupt Libraries
3434
1.1.2 K.Hoang 05/01/2021 Fix warnings. Optimize examples to reduce memory usage
3535
1.2.0 K.Hoang 07/01/2021 Add better debug feature. Optimize code and examples to reduce RAM usage
36-
1.3.0 K.Hoang 25/02/2021 Add support to AVR Leonardo and Leonardo ETH
36+
1.3.0 K.Hoang 25/02/2021 Add support to AVR ATMEGA_32U4 such as Leonardo, YUN, ESPLORA, etc.
37+
1.4.0 K.Hoang 01/04/2021 Add support to Adafruit 32U4 and 328(P) such as FEATHER32U4, FEATHER328P, etc.
3738
*****************************************************************************************************************************/
3839

39-
#if ( defined(__AVR_ATmega8__) || defined(__AVR_ATmega128__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) || \
40-
defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega644__) || defined(__AVR_ATmega644A__) || \
41-
defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644PA__) || defined(ARDUINO_AVR_UNO) || defined(ARDUINO_AVR_NANO) || \
42-
defined(ARDUINO_AVR_MINI) || defined(ARDUINO_AVR_ETHERNET) || defined(ARDUINO_AVR_FIO) || defined(ARDUINO_AVR_BT) || \
43-
defined(ARDUINO_AVR_LILYPAD) || defined(ARDUINO_AVR_PRO) || defined(ARDUINO_AVR_NG) || defined(ARDUINO_AVR_UNO_WIFI_DEV_ED) )
44-
45-
#elif ( defined(ARDUINO_AVR_LEONARDO) || defined(ARDUINO_AVR_LEONARDO_ETH) || defined(ARDUINO_AVR_YUN) || defined(ARDUINO_AVR_MICRO) || \
46-
defined(ARDUINO_AVR_ESPLORA) || defined(ARDUINO_AVR_LILYPAD_USB) || defined(ARDUINO_AVR_ROBOT_CONTROL) || defined(ARDUINO_AVR_ROBOT_MOTOR) || \
47-
defined(ARDUINO_AVR_CIRCUITPLAY) || defined(ARDUINO_AVR_YUNMINI) || defined(ARDUINO_AVR_INDUSTRIAL101) || defined(ARDUINO_AVR_LININO_ONE) )
48-
#if defined(TIMER_INTERRUPT_USING_ATMEGA_32U4)
49-
#undef TIMER_INTERRUPT_USING_ATMEGA_32U4
50-
#endif
51-
#define TIMER_INTERRUPT_USING_ATMEGA_32U4 true
52-
#warning Using ATMega32U4, such as Leonardo or Leonardo ETH. Only Timer1 is available
53-
#elif defined(ARDUINO_AVR_GEMMA)
54-
#error These AVR boards are not supported! You can use Software Serial. Please check your Tools->Board setting.
55-
#else
56-
#error This is designed only for Arduino AVR board! Please check your Tools->Board setting.
57-
#endif
58-
5940
// These define's must be placed at the beginning before #include "TimerInterrupt.h"
6041
// _TIMERINTERRUPT_LOGLEVEL_ from 0 to 4
6142
// Don't define _TIMERINTERRUPT_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
6243
#define TIMER_INTERRUPT_DEBUG 0
6344
#define _TIMERINTERRUPT_LOGLEVEL_ 0
6445

65-
#if ( TIMER_INTERRUPT_USING_ATMEGA_32U4 )
66-
#define USE_TIMER_1 true
67-
#else
68-
#define USE_TIMER_1 true
69-
#define USE_TIMER_2 false
70-
#define USE_TIMER_3 false
71-
#define USE_TIMER_4 false
72-
#define USE_TIMER_5 false
73-
#endif
46+
#define USE_TIMER_1 true
47+
#define USE_TIMER_2 false
48+
#define USE_TIMER_3 false
49+
#define USE_TIMER_4 false
50+
#define USE_TIMER_5 false
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7552
#include "TimerInterrupt.h"
7653

54+
#if !defined(LED_BUILTIN)
55+
#define LED_BUILTIN 13
56+
#endif
57+
7758
struct pinStruct
7859
{
7960
unsigned int Pin1;

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