v1.2.0

### Releases v1.2.0

1. Add better debug feature.
2. Optimize code and examples to reduce RAM usage

Author: khoih-prog

README.md

@@ -16,6 +16,7 @@
   * [Currently supported Boards](#currently-supported-boards)
   * [Important Notes about ISR](#important-notes-about-isr)
 * [Changelog](#changelog)
+  * [Releases v1.2.0](#releases-v120)
   * [Releases v1.1.2](#releases-v112)
   * [Releases v1.1.1](#releases-v111)
   * [Releases v1.0.3](#releases-v103)
@@ -116,7 +117,6 @@ The catch is your function is now part of an ISR (Interrupt Service Routine), an
 ### Currently supported Boards
 
 - Arduino Uno / Mega / Leonardo / Duemilanove / Diecimila / LilyPad / Mini / Fio / Nano etc.
-- Teensy 1.0 / 1.0++ / 2.0 / 2++ / 3.0 / 3.1 / Teensy-LC;
 - Sanguino
 - ATmega8, 48, 88, 168, 328
 - ATmega8535, 16, 32, 164, 324, 644, 1284,
@@ -128,13 +128,18 @@ The catch is your function is now part of an ISR (Interrupt Service Routine), an
 
 ## Changelog
 
+### Releases v1.2.0
+
+1. Add better debug feature.
+2. Optimize code and examples to reduce RAM usage
+
+
 ### Releases v1.1.2
 
 1. Clean-up all compiler warnings possible.
 2. Optimize examples to reduce memory usage by using Flash String whenever possible.
 3. Add Table of Contents
 
-
 ### Releases v1.1.1
 
 1. Add example [**Change_Interval**](examples/Change_Interval)
@@ -157,7 +162,6 @@ The catch is your function is now part of an ISR (Interrupt Service Routine), an
 
 1. [`Arduino IDE 1.8.13+` for Arduino](https://www.arduino.cc/en/Main/Software)
 2. [`Arduino AVR core 1.8.3+`](https://github.com/arduino/ArduinoCore-avr) for Arduino AVR boards. Use Arduino Board Manager to install.
-3. [`Teensy core 1.53+`](https://www.pjrc.com/teensy/td_download.html) for Teensy (3.1, 3.0, LC, 2.0) boards.
 
 ---
 ---
@@ -379,8 +383,10 @@ void loop()
 #endif
 
 // These define's must be placed at the beginning before #include "TimerInterrupt.h"
-// Don't define TIMER_INTERRUPT_DEBUG > 0. Only for special ISR debugging only. Can hang the system.
-#define TIMER_INTERRUPT_DEBUG      0
+// _TIMERINTERRUPT_LOGLEVEL_ from 0 to 4
+// Don't define _TIMERINTERRUPT_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
+#define TIMER_INTERRUPT_DEBUG         0
+#define _TIMERINTERRUPT_LOGLEVEL_     0
 
 #define USE_TIMER_1     false
 #define USE_TIMER_2     true
@@ -645,7 +651,7 @@ void setup()
   Serial.begin(115200);
   while (!Serial);
 
-  Serial.println(F("\nStarting ISR_16_Timers_Array_Complex"));
+  Serial.println(F("\nStarting ISR_16_Timers_Array_Complex on AVR"));
   Serial.println(TIMER_INTERRUPT_VERSION);
   Serial.print(F("CPU Frequency = ")); Serial.print(F_CPU / 1000000); Serial.println(F(" MHz"));
 
@@ -905,6 +911,11 @@ Sometimes, the library will only work if you update the board core to the latest
 
 ## Releases
 
+### Releases v1.2.0
+
+1. Add better debug feature.
+2. Optimize code and examples to reduce RAM usage
+
 ### Releases v1.1.2
 
 1. Clean-up all compiler warnings possible.
@@ -940,7 +951,6 @@ in loop(), using delay() function as an example. The elapsed time then is very u
 ### Supported Arduino Boards
 
 - Arduino Uno / Mega / Leonardo / Duemilanove / Diecimila / LilyPad / Mini / Fio / Nano etc.
-- Teensy 1.0 / 1.0++ / 2.0 / 2++ / 3.0 / 3.1 / Teensy-LC;
 - Sanguino
 - ATmega8, 48, 88, 168, 328
 - ATmega8535, 16, 32, 164, 324, 644, 1284,

examples/Argument_Complex/Argument_Complex.ino

@@ -22,7 +22,7 @@
   If your data is multiple variables, such as an array and a count, usually interrupts need to be disabled
   or the entire sequence of your code which accesses the data.
   
-  Version: 1.1.2
+  Version: 1.2.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
@@ -32,6 +32,7 @@
   1.0.3   K.Hoang      01/12/2020 Add complex examples ISR_16_Timers_Array_Complex and ISR_16_Timers_Array_Complex
   1.1.1   K.Hoang      06/12/2020 Add example Change_Interval. Bump up version to sync with other TimerInterrupt Libraries
   1.1.2   K.Hoang      05/01/2021 Fix warnings. Optimize examples to reduce memory usage
+  1.2.0   K.Hoang      07/01/2021 Add better debug feature. Optimize code and examples to reduce RAM usage
 *****************************************************************************************************************************/
 
 #if defined(__AVR_ATmega8__) || defined(__AVR_ATmega128__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) || \
@@ -45,8 +46,10 @@
 #endif
 
 // These define's must be placed at the beginning before #include "TimerInterrupt.h"
-// Don't define TIMER_INTERRUPT_DEBUG > 0. Only for special ISR debugging only. Can hang the system.
-#define TIMER_INTERRUPT_DEBUG      0
+// _TIMERINTERRUPT_LOGLEVEL_ from 0 to 4
+// Don't define _TIMERINTERRUPT_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
+#define TIMER_INTERRUPT_DEBUG         0
+#define _TIMERINTERRUPT_LOGLEVEL_     0
 
 #define USE_TIMER_1     true
 #define USE_TIMER_2     false

examples/Argument_None/Argument_None.ino

@@ -22,7 +22,7 @@
   If your data is multiple variables, such as an array and a count, usually interrupts need to be disabled
   or the entire sequence of your code which accesses the data.
   
-  Version: 1.1.2
+  Version: 1.2.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
@@ -32,6 +32,7 @@
   1.0.3   K.Hoang      01/12/2020 Add complex examples ISR_16_Timers_Array_Complex and ISR_16_Timers_Array_Complex
   1.1.1   K.Hoang      06/12/2020 Add example Change_Interval. Bump up version to sync with other TimerInterrupt Libraries
   1.1.2   K.Hoang      05/01/2021 Fix warnings. Optimize examples to reduce memory usage
+  1.2.0   K.Hoang      07/01/2021 Add better debug feature. Optimize code and examples to reduce RAM usage
  *****************************************************************************************************************************/
 
 #if defined(__AVR_ATmega8__) || defined(__AVR_ATmega128__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) || \
@@ -45,8 +46,10 @@
 #endif
 
 // These define's must be placed at the beginning before #include "TimerInterrupt.h"
-// Don't define TIMER_INTERRUPT_DEBUG > 0. Only for special ISR debugging only. Can hang the system.
-#define TIMER_INTERRUPT_DEBUG      0
+// _TIMERINTERRUPT_LOGLEVEL_ from 0 to 4
+// Don't define _TIMERINTERRUPT_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
+#define TIMER_INTERRUPT_DEBUG         0
+#define _TIMERINTERRUPT_LOGLEVEL_     0
 
 #define USE_TIMER_1     true
 #define USE_TIMER_2     true

examples/Argument_Simple/Argument_Simple.ino

@@ -22,7 +22,7 @@
   If your data is multiple variables, such as an array and a count, usually interrupts need to be disabled
   or the entire sequence of your code which accesses the data.
   
-  Version: 1.1.2
+  Version: 1.2.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
@@ -32,6 +32,7 @@
   1.0.3   K.Hoang      01/12/2020 Add complex examples ISR_16_Timers_Array_Complex and ISR_16_Timers_Array_Complex
   1.1.1   K.Hoang      06/12/2020 Add example Change_Interval. Bump up version to sync with other TimerInterrupt Libraries
   1.1.2   K.Hoang      05/01/2021 Fix warnings. Optimize examples to reduce memory usage
+  1.2.0   K.Hoang      07/01/2021 Add better debug feature. Optimize code and examples to reduce RAM usage
  *****************************************************************************************************************************/
 
 #if defined(__AVR_ATmega8__) || defined(__AVR_ATmega128__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) || \
@@ -45,8 +46,10 @@
 #endif
 
 // These define's must be placed at the beginning before #include "TimerInterrupt.h"
-// Don't define TIMER_INTERRUPT_DEBUG > 0. Only for special ISR debugging only. Can hang the system.
-#define TIMER_INTERRUPT_DEBUG      0
+// _TIMERINTERRUPT_LOGLEVEL_ from 0 to 4
+// Don't define _TIMERINTERRUPT_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
+#define TIMER_INTERRUPT_DEBUG         0
+#define _TIMERINTERRUPT_LOGLEVEL_     0
 
 #define USE_TIMER_1     true
 #define USE_TIMER_2     true

examples/Change_Interval/Change_Interval.ino

@@ -22,7 +22,7 @@
   If your data is multiple variables, such as an array and a count, usually interrupts need to be disabled
   or the entire sequence of your code which accesses the data.
   
-  Version: 1.1.2
+  Version: 1.2.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
@@ -32,6 +32,7 @@
   1.0.3   K.Hoang      01/12/2020 Add complex examples ISR_16_Timers_Array_Complex and ISR_16_Timers_Array_Complex
   1.1.1   K.Hoang      06/12/2020 Add example Change_Interval. Bump up version to sync with other TimerInterrupt Libraries
   1.1.2   K.Hoang      05/01/2021 Fix warnings. Optimize examples to reduce memory usage
+  1.2.0   K.Hoang      07/01/2021 Add better debug feature. Optimize code and examples to reduce RAM usage
 *****************************************************************************************************************************/
 
 /*
@@ -57,8 +58,10 @@
 #endif
 
 // These define's must be placed at the beginning before #include "TimerInterrupt.h"
-// Don't define TIMER_INTERRUPT_DEBUG > 0. Only for special ISR debugging only. Can hang the system.
-#define TIMER_INTERRUPT_DEBUG      0
+// _TIMERINTERRUPT_LOGLEVEL_ from 0 to 4
+// Don't define _TIMERINTERRUPT_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
+#define TIMER_INTERRUPT_DEBUG         0
+#define _TIMERINTERRUPT_LOGLEVEL_     0
 
 #define USE_TIMER_1     true
 #define USE_TIMER_2     true

examples/FakeAnalogWrite/FakeAnalogWrite.ino

@@ -22,7 +22,7 @@
   If your data is multiple variables, such as an array and a count, usually interrupts need to be disabled
   or the entire sequence of your code which accesses the data.
 
-  Version: 1.1.2
+  Version: 1.2.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
@@ -32,6 +32,7 @@
   1.0.3   K.Hoang      01/12/2020 Add complex examples ISR_16_Timers_Array_Complex and ISR_16_Timers_Array_Complex
   1.1.1   K.Hoang      06/12/2020 Add example Change_Interval. Bump up version to sync with other TimerInterrupt Libraries
   1.1.2   K.Hoang      05/01/2021 Fix warnings. Optimize examples to reduce memory usage
+  1.2.0   K.Hoang      07/01/2021 Add better debug feature. Optimize code and examples to reduce RAM usage
 *****************************************************************************************************************************/
 /*
    Notes:
@@ -64,8 +65,10 @@
 #endif
 
 // These define's must be placed at the beginning before #include "TimerInterrupt.h"
-// Don't define TIMER_INTERRUPT_DEBUG > 0. Only for special ISR debugging only. Can hang the system.
-#define TIMER_INTERRUPT_DEBUG      0
+// _TIMERINTERRUPT_LOGLEVEL_ from 0 to 4
+// Don't define _TIMERINTERRUPT_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
+#define TIMER_INTERRUPT_DEBUG         0
+#define _TIMERINTERRUPT_LOGLEVEL_     0
 
 #define USE_TIMER_1     false
 #define USE_TIMER_2     true

examples/ISR_16_Timers_Array_Complex/ISR_16_Timers_Array_Complex.ino

@@ -22,7 +22,7 @@
   If your data is multiple variables, such as an array and a count, usually interrupts need to be disabled
   or the entire sequence of your code which accesses the data.
 
-  Version: 1.1.2
+  Version: 1.2.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
@@ -32,6 +32,7 @@
   1.0.3   K.Hoang      01/12/2020 Add complex examples ISR_16_Timers_Array_Complex and ISR_16_Timers_Array_Complex
   1.1.1   K.Hoang      06/12/2020 Add example Change_Interval. Bump up version to sync with other TimerInterrupt Libraries
   1.1.2   K.Hoang      05/01/2021 Fix warnings. Optimize examples to reduce memory usage
+  1.2.0   K.Hoang      07/01/2021 Add better debug feature. Optimize code and examples to reduce RAM usage
 *****************************************************************************************************************************/
 
 #if defined(__AVR_ATmega8__) || defined(__AVR_ATmega128__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) || \
@@ -45,8 +46,10 @@
 #endif
 
 // These define's must be placed at the beginning before #include "TimerInterrupt.h"
-// Don't define TIMER_INTERRUPT_DEBUG > 0. Only for special ISR debugging only. Can hang the system.
-#define TIMER_INTERRUPT_DEBUG      0
+// _TIMERINTERRUPT_LOGLEVEL_ from 0 to 4
+// Don't define _TIMERINTERRUPT_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
+#define TIMER_INTERRUPT_DEBUG         0
+#define _TIMERINTERRUPT_LOGLEVEL_     0
 
 #define USE_TIMER_1     false
 #define USE_TIMER_2     true

examples/ISR_RPM_Measure/ISR_RPM_Measure.ino

@@ -22,7 +22,7 @@
   If your data is multiple variables, such as an array and a count, usually interrupts need to be disabled
   or the entire sequence of your code which accesses the data.
   
-  Version: 1.1.2
+  Version: 1.2.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
@@ -32,6 +32,7 @@
   1.0.3   K.Hoang      01/12/2020 Add complex examples ISR_16_Timers_Array_Complex and ISR_16_Timers_Array_Complex
   1.1.1   K.Hoang      06/12/2020 Add example Change_Interval. Bump up version to sync with other TimerInterrupt Libraries
   1.1.2   K.Hoang      05/01/2021 Fix warnings. Optimize examples to reduce memory usage
+  1.2.0   K.Hoang      07/01/2021 Add better debug feature. Optimize code and examples to reduce RAM usage
  *****************************************************************************************************************************/
 /* RPM Measuring uses high frequency hardware timer 1Hz == 1ms) to measure the time from of one rotation, in ms
    then convert to RPM. One rotation is detected by reading the state of a magnetic REED SW or IR LED Sensor
@@ -54,9 +55,11 @@
   #error This is designed only for Arduino AVR board! Please check your Tools->Board setting.
 #endif
 
-//These define's must be placed at the beginning before #include "TimerInterrupt.h"
-// Don't define TIMER_INTERRUPT_DEBUG > 2. Only for special ISR debugging only. Can hang the system.
-#define TIMER_INTERRUPT_DEBUG      0
+// These define's must be placed at the beginning before #include "TimerInterrupt.h"
+// _TIMERINTERRUPT_LOGLEVEL_ from 0 to 4
+// Don't define _TIMERINTERRUPT_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
+#define TIMER_INTERRUPT_DEBUG         0
+#define _TIMERINTERRUPT_LOGLEVEL_     0
 
 #define USE_TIMER_1     true
 #define USE_TIMER_2     false

examples/ISR_Switch/ISR_Switch.ino

@@ -22,7 +22,7 @@
   If your data is multiple variables, such as an array and a count, usually interrupts need to be disabled
   or the entire sequence of your code which accesses the data.
   
-  Version: 1.1.2
+  Version: 1.2.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
@@ -32,6 +32,7 @@
   1.0.3   K.Hoang      01/12/2020 Add complex examples ISR_16_Timers_Array_Complex and ISR_16_Timers_Array_Complex
   1.1.1   K.Hoang      06/12/2020 Add example Change_Interval. Bump up version to sync with other TimerInterrupt Libraries
   1.1.2   K.Hoang      05/01/2021 Fix warnings. Optimize examples to reduce memory usage
+  1.2.0   K.Hoang      07/01/2021 Add better debug feature. Optimize code and examples to reduce RAM usage
  *****************************************************************************************************************************/
 /****************************************************************************************************************************
     ISR_Switch demontrates the use of ISR to avoid being blocked by other CPU-monopolizing task
@@ -67,8 +68,10 @@
 //#define BLYNK_DEBUG true
 
 // These define's must be placed at the beginning before #include "TimerInterrupt.h"
-// Don't define TIMER_INTERRUPT_DEBUG > 0. Only for special ISR debugging only. Can hang the system.
-#define TIMER_INTERRUPT_DEBUG      0
+// _TIMERINTERRUPT_LOGLEVEL_ from 0 to 4
+// Don't define _TIMERINTERRUPT_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
+#define TIMER_INTERRUPT_DEBUG         0
+#define _TIMERINTERRUPT_LOGLEVEL_     0
 
 #define USE_TIMER_1     true
 #define USE_TIMER_2     false

examples/ISR_Timer_Complex/ISR_Timer_Complex.ino

@@ -22,7 +22,7 @@
   If your data is multiple variables, such as an array and a count, usually interrupts need to be disabled
   or the entire sequence of your code which accesses the data.
   
-  Version: 1.1.2
+  Version: 1.2.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
@@ -32,6 +32,7 @@
   1.0.3   K.Hoang      01/12/2020 Add complex examples ISR_16_Timers_Array_Complex and ISR_16_Timers_Array_Complex
   1.1.1   K.Hoang      06/12/2020 Add example Change_Interval. Bump up version to sync with other TimerInterrupt Libraries
   1.1.2   K.Hoang      05/01/2021 Fix warnings. Optimize examples to reduce memory usage
+  1.2.0   K.Hoang      07/01/2021 Add better debug feature. Optimize code and examples to reduce RAM usage
 *****************************************************************************************************************************/
 
 /****************************************************************************************************************************
@@ -66,8 +67,10 @@
 //#define BLYNK_DEBUG true
 
 // These define's must be placed at the beginning before #include "TimerInterrupt.h"
-// Don't define TIMER_INTERRUPT_DEBUG > 0. Only for special ISR debugging only. Can hang the system.
-#define TIMER_INTERRUPT_DEBUG      0
+// _TIMERINTERRUPT_LOGLEVEL_ from 0 to 4
+// Don't define _TIMERINTERRUPT_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
+#define TIMER_INTERRUPT_DEBUG         0
+#define _TIMERINTERRUPT_LOGLEVEL_     0
 
 #define USE_TIMER_1     true
 #define USE_TIMER_2     false