v1.3.0

### Release v1.3.0

1. Fix TCB Clock bug. Don't use v1.2.0

Author: khoih-prog

CONTRIBUTING.md

@@ -29,7 +29,7 @@ Please ensure to specify the following:
 Arduino IDE version: 1.8.13
 Arduino megaAVR Core Version 1.8.7
 OS: Ubuntu 20.04 LTS
-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
+Linux xy-Inspiron-3593 5.4.0-71-generic #79-Ubuntu SMP Wed Mar 24 10:56:57 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
 
 Context:
 I encountered a crash while trying to use the Timer Interrupt.

README.md

@@ -14,6 +14,7 @@
   * [Important Notes about ISR](#important-notes-about-isr)
   * [Currently supported Boards](#currently-supported-boards)
 * [Changelog](#changelog)
+  * [Release v1.3.0](#release-v130)
   * [Release v1.2.0](#release-v120)
   * [Release v1.1.0](#release-v110)
   * [Initial Release v1.0.0](#initial-release-v100)
@@ -129,6 +130,11 @@ The catch is your function is now part of an ISR (Interrupt Service Routine), an
 
 ## Changelog
 
+### Release v1.3.0
+
+1. Fix TCB Clock bug. Don't use v1.2.0
+
+
 ### Release v1.2.0
 
 1. Selectable **TCB Clock 16MHz, 8MHz or 250KHz** depending on necessary accuracy
@@ -793,7 +799,7 @@ While software timer, **programmed for 2s, is activated after more than 10.000s
 ```
 
 Starting ISR_16_Timers_Array_Complex on megaAVR Nano Every
-megaAVR_TimerInterrupt v1.2.0
+megaAVR_TimerInterrupt v1.3.0
 CPU Frequency = 16 MHz
 TCB Clock Frequency = 250KHz for lower accuracy but longer time
 Starting  ITimer1 OK, millis() = 6
@@ -945,7 +951,7 @@ The following is the sample terminal output when running example [Change_Interva
 
 ```
 Starting Change_Interval on megaAVR Nano Every
-megaAVR_TimerInterrupt v1.2.0
+megaAVR_TimerInterrupt v1.3.0
 CPU Frequency = 16 MHz
 TCB Clock Frequency = 250KHz for lower accuracy but longer time
 Starting  ITimer1 OK, millis() = 1
@@ -974,7 +980,7 @@ Changing Interval, Timer1 = 100,  Timer2 = 200
 
 ```
 Starting ISR_16_Timers_Array_Complex on megaAVR Nano Every
-megaAVR_TimerInterrupt v1.2.0
+megaAVR_TimerInterrupt v1.3.0
 CPU Frequency = 16 MHz
 TCB Clock Frequency = 16MHz for highest accuracy
 Starting  ITimer1 OK, millis() = 6
@@ -1060,7 +1066,7 @@ Timer : 15, programmed : 80000, actual : 80000
 ```
 
 Starting ISR_16_Timers_Array_Complex on megaAVR Nano Every
-megaAVR_TimerInterrupt v1.2.0
+megaAVR_TimerInterrupt v1.3.0
 CPU Frequency = 16 MHz
 TCB Clock Frequency = 8MHz for very high accuracy
 Starting  ITimer1 OK, millis() = 10
@@ -1128,7 +1134,7 @@ Timer : 15, programmed : 80000, actual : 80000
 
 ```
 Starting ISR_16_Timers_Array_Complex on megaAVR Nano Every
-megaAVR_TimerInterrupt v1.2.0
+megaAVR_TimerInterrupt v1.3.0
 CPU Frequency = 16 MHz
 TCB Clock Frequency = 250KHz for lower accuracy but longer time
 Starting  ITimer1 OK, millis() = 11
@@ -1240,6 +1246,10 @@ Sometimes, the library will only work if you update the board core to the latest
 
 ## Releases
 
+### Release v1.3.0
+
+1. Fix TCB Clock bug. Don't use v1.2.0
+
 ### Release v1.2.0
 
 1. Selectable **TCB Clock 16MHz, 8MHz or 250KHz** depending on necessary accuracy

examples/Argument_Complex/Argument_Complex.ino

@@ -12,13 +12,14 @@
   Therefore, their executions are not blocked by bad-behaving functions / tasks.
   This important feature is absolutely necessary for mission-critical tasks.
 
-  Version: 1.2.0
+  Version: 1.3.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
   1.0.0   K.Hoang      01/04/2021 Initial coding to support Arduino megaAVR ATmega4809-based boards (UNO WiFi Rev2, etc.)
   1.1.0   K.Hoang      14/04/2021 Fix bug. Don't use v1.0.0
   1.2.0   K.Hoang      17/04/2021 Selectable TCB Clock 16MHz, 8MHz or 250KHz depending on necessary accuracy
+  1.3.0   K.Hoang      17/04/2021 Fix TCB Clock bug. Don't use v1.2.0
 *****************************************************************************************************************************/
 
 // These define's must be placed at the beginning before #include "megaAVR_TimerInterrupt.h"

examples/Argument_None/Argument_None.ino

@@ -12,13 +12,14 @@
   Therefore, their executions are not blocked by bad-behaving functions / tasks.
   This important feature is absolutely necessary for mission-critical tasks.
 
-  Version: 1.2.0
+  Version: 1.3.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
   1.0.0   K.Hoang      01/04/2021 Initial coding to support Arduino megaAVR ATmega4809-based boards (UNO WiFi Rev2, etc.)
   1.1.0   K.Hoang      14/04/2021 Fix bug. Don't use v1.0.0
   1.2.0   K.Hoang      17/04/2021 Selectable TCB Clock 16MHz, 8MHz or 250KHz depending on necessary accuracy
+  1.3.0   K.Hoang      17/04/2021 Fix TCB Clock bug. Don't use v1.2.0
  *****************************************************************************************************************************/
 
 // These define's must be placed at the beginning before #include "megaAVR_TimerInterrupt.h"

examples/Argument_Simple/Argument_Simple.ino

@@ -12,13 +12,14 @@
   Therefore, their executions are not blocked by bad-behaving functions / tasks.
   This important feature is absolutely necessary for mission-critical tasks.
 
-  Version: 1.2.0
+  Version: 1.3.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
   1.0.0   K.Hoang      01/04/2021 Initial coding to support Arduino megaAVR ATmega4809-based boards (UNO WiFi Rev2, etc.)
   1.1.0   K.Hoang      14/04/2021 Fix bug. Don't use v1.0.0
   1.2.0   K.Hoang      17/04/2021 Selectable TCB Clock 16MHz, 8MHz or 250KHz depending on necessary accuracy
+  1.3.0   K.Hoang      17/04/2021 Fix TCB Clock bug. Don't use v1.2.0
  *****************************************************************************************************************************/
 
 // These define's must be placed at the beginning before #include "megaAVR_TimerInterrupt.h"

examples/Change_Interval/Change_Interval.ino

@@ -12,13 +12,14 @@
   Therefore, their executions are not blocked by bad-behaving functions / tasks.
   This important feature is absolutely necessary for mission-critical tasks.
 
-  Version: 1.2.0
+  Version: 1.3.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
   1.0.0   K.Hoang      01/04/2021 Initial coding to support Arduino megaAVR ATmega4809-based boards (UNO WiFi Rev2, etc.)
   1.1.0   K.Hoang      14/04/2021 Fix bug. Don't use v1.0.0
   1.2.0   K.Hoang      17/04/2021 Selectable TCB Clock 16MHz, 8MHz or 250KHz depending on necessary accuracy
+  1.3.0   K.Hoang      17/04/2021 Fix TCB Clock bug. Don't use v1.2.0
 *****************************************************************************************************************************/
 
 /*
@@ -64,10 +65,10 @@
 
 
 #define TIMER1_INTERVAL_MS        1000UL
-#define TIMER2_INTERVAL_MS        2000UL
+#define TIMER2_INTERVAL_MS        500UL
 
-volatile uint32_t Timer1Count = 0;
-volatile uint32_t Timer2Count = 0;
+volatile uint32_t Timer1Count = 1;
+volatile uint32_t Timer2Count = 1;
 
 void printResult(uint32_t currTime)
 {
@@ -186,11 +187,15 @@ void loop()
 
       ITimer1.setInterval(TIMER1_INTERVAL_MS * (multFactor + 1), TimerHandler1);
 
+      Timer1Count++;
+
       Serial.print(F("Changing Interval, Timer1 = ")); Serial.println(TIMER1_INTERVAL_MS * (multFactor + 1)); 
 
 #if USE_TIMER_2
       ITimer2.setInterval(TIMER2_INTERVAL_MS * (multFactor + 1), TimerHandler2);
 
+      Timer2Count++;
+
       Serial.print(F("Changing Interval, Timer2 = ")); Serial.println(TIMER2_INTERVAL_MS * (multFactor + 1));                        
 #endif
 

examples/FakeAnalogWrite/FakeAnalogWrite.ino

@@ -12,13 +12,14 @@
   Therefore, their executions are not blocked by bad-behaving functions / tasks.
   This important feature is absolutely necessary for mission-critical tasks.
 
-  Version: 1.2.0
+  Version: 1.3.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
   1.0.0   K.Hoang      01/04/2021 Initial coding to support Arduino megaAVR ATmega4809-based boards (UNO WiFi Rev2, etc.)
   1.1.0   K.Hoang      14/04/2021 Fix bug. Don't use v1.0.0
   1.2.0   K.Hoang      17/04/2021 Selectable TCB Clock 16MHz, 8MHz or 250KHz depending on necessary accuracy
+  1.3.0   K.Hoang      17/04/2021 Fix TCB Clock bug. Don't use v1.2.0
 *****************************************************************************************************************************/
 /*
    Notes:

examples/ISR_16_Timers_Array_Complex/ISR_16_Timers_Array_Complex.ino

@@ -12,28 +12,29 @@
   Therefore, their executions are not blocked by bad-behaving functions / tasks.
   This important feature is absolutely necessary for mission-critical tasks.
 
-  Version: 1.2.0
+  Version: 1.3.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
   1.0.0   K.Hoang      01/04/2021 Initial coding to support Arduino megaAVR ATmega4809-based boards (UNO WiFi Rev2, etc.)
   1.1.0   K.Hoang      14/04/2021 Fix bug. Don't use v1.0.0
   1.2.0   K.Hoang      17/04/2021 Selectable TCB Clock 16MHz, 8MHz or 250KHz depending on necessary accuracy
+  1.3.0   K.Hoang      17/04/2021 Fix TCB Clock bug. Don't use v1.2.0
 *****************************************************************************************************************************/
 
 // These define's must be placed at the beginning before #include "megaAVR_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 _TIMERINTERRUPT_LOGLEVEL_     3
 
 // Select USING_16MHZ     == true for  16MHz to Timer TCBx => shorter timer, but better accuracy
 // Select USING_8MHZ      == true for   8MHz to Timer TCBx => shorter timer, but better accuracy
 // Select USING_250KHZ    == true for 250KHz to Timer TCBx => shorter timer, but better accuracy
 // Not select for default 250KHz to Timer TCBx => longer timer,  but worse accuracy
-#define USING_16MHZ     true
+#define USING_16MHZ     false
 #define USING_8MHZ      false
-#define USING_250KHZ    false
+#define USING_250KHZ    true
 
 
 #define USE_TIMER_0     false

examples/ISR_RPM_Measure/ISR_RPM_Measure.ino

@@ -12,13 +12,14 @@
   Therefore, their executions are not blocked by bad-behaving functions / tasks.
   This important feature is absolutely necessary for mission-critical tasks.
 
-  Version: 1.2.0
+  Version: 1.3.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
   1.0.0   K.Hoang      01/04/2021 Initial coding to support Arduino megaAVR ATmega4809-based boards (UNO WiFi Rev2, etc.)
   1.1.0   K.Hoang      14/04/2021 Fix bug. Don't use v1.0.0
   1.2.0   K.Hoang      17/04/2021 Selectable TCB Clock 16MHz, 8MHz or 250KHz depending on necessary accuracy
+  1.3.0   K.Hoang      17/04/2021 Fix TCB Clock bug. Don't use v1.2.0
  *****************************************************************************************************************************/
 /* 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

examples/ISR_Switch/ISR_Switch.ino

@@ -12,13 +12,14 @@
   Therefore, their executions are not blocked by bad-behaving functions / tasks.
   This important feature is absolutely necessary for mission-critical tasks.
 
-  Version: 1.2.0
+  Version: 1.3.0
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
   1.0.0   K.Hoang      01/04/2021 Initial coding to support Arduino megaAVR ATmega4809-based boards (UNO WiFi Rev2, etc.)
   1.1.0   K.Hoang      14/04/2021 Fix bug. Don't use v1.0.0
   1.2.0   K.Hoang      17/04/2021 Selectable TCB Clock 16MHz, 8MHz or 250KHz depending on necessary accuracy
+  1.3.0   K.Hoang      17/04/2021 Fix TCB Clock bug. Don't use v1.2.0
  *****************************************************************************************************************************/
 /****************************************************************************************************************************
     ISR_Switch demontrates the use of ISR to avoid being blocked by other CPU-monopolizing task