v1.0.2 to add support to Seeeduino nRF52

### Releases v1.0.2

1. Add support to Seeeduino nRF52840-based boards such as **SEEED_XIAO_NRF52840 and SEEED_XIAO_NRF52840_SENSE**, etc. using Seeeduino `mbed` core
2. Add astyle using `allman` style. Restyle the library

CONTRIBUTING.md

@@ -15,8 +15,8 @@ If you don't find anything, please [open a new issue](https://github.com/khoih-p
 Please ensure to specify the following:
 
 * Arduino IDE version (e.g. 1.8.19) or Platform.io version
-* Board type
-* Arduino `mbed` Core Version (e.g. Arduino `mbed` core v1.3.2 or Arduino `mbed_nano` core v2.7.2 )
+* `nRF52840 mbed` Core Version (e.g. Arduino mbed_nano core v3.4.1, Seeeduino mbed core v2.7.2)
+* `nRF52840-based Nano_33_BLE` Board type (e.g. Nano_33_BLE, Nano_33_BLE_Sense, SEEED_XIAO_NRF52840 and SEEED_XIAO_NRF52840_SENSE, etc.)
 * Contextual information (e.g. what you were trying to achieve)
 * Simplest possible steps to reproduce
 * Anything that might be relevant in your opinion, such as:
@@ -28,13 +28,13 @@ Please ensure to specify the following:
 
 ```
 Arduino IDE version: 1.8.19
+Arduino mbed_nano core v3.4.1
 Nano_33_BLE board
-Arduino mbed_nano` core v2.7.2
 OS: Ubuntu 20.04 LTS
-Linux xy-Inspiron-3593 5.4.0-99-generic #112-Ubuntu SMP Thu Feb 3 13:50:55 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
+Linux xy-Inspiron-3593 5.15.0-52-generic #58~20.04.1-Ubuntu SMP Thu Oct 13 13:09:46 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
 
 Context:
-I encountered a crash while using PWM.
+I encountered a crash while using this library
 
 Steps to reproduce:
 1. ...
@@ -43,13 +43,33 @@ Steps to reproduce:
 4. ...
 ```
 
+---
+
 ### Sending Feature Requests
 
 Feel free to post feature requests. It's helpful if you can explain exactly why the feature would be useful.
 
 There are usually some outstanding feature requests in the [existing issues list](https://github.com/khoih-prog/nRF52_MBED_PWM/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement), feel free to add comments to them.
 
+---
+
 ### Sending Pull Requests
 
 Pull Requests with changes and fixes are also welcome!
 
+Please use the `astyle` to reformat the updated library code as follows (demo for Ubuntu Linux)
+
+1. Change directory to the library GitHub
+
+```
+xy@xy-Inspiron-3593:~$ cd Arduino/xy/nRF52_MBED_PWM_GitHub/
+xy@xy-Inspiron-3593:~/Arduino/xy/nRF52_MBED_PWM_GitHub$
+```
+
+2. Issue astyle command
+
+```
+xy@xy-Inspiron-3593:~/Arduino/xy/nRF52_MBED_PWM_GitHub$ bash utils/restyle.sh
+```
+
+

changelog.md

@@ -12,6 +12,7 @@
 ## Table of Contents
 
 * [Changelog](#changelog)
+  * [Releases v1.0.2](#Releases-v102)
   * [Releases v1.0.1](#Releases-v101)
   * [Initial Releases v1.0.0](#Initial-Releases-v100)
 
@@ -20,12 +21,16 @@
 
 ## Changelog
 
+### Releases v1.0.2
+
+1. Add support to Seeeduino nRF52840-based boards such as **SEEED_XIAO_NRF52840 and SEEED_XIAO_NRF52840_SENSE**, etc. using Seeeduino `mbed` core
+2. Add astyle using `allman` style. Restyle the library
+
 ### Releases v1.0.1
 
 1. Add functions to read PWM parameters
 2. Update examples
 
-
 ### Initial Releases v1.0.0
 
 1. Initial coding to support **Nano_33_BLE boards**, using [**ArduinoCore-mbed mbed_nano** core](https://github.com/arduino/ArduinoCore-mbed)

examples/PWM_Multi/PWM_Multi.ino

@@ -39,11 +39,12 @@ void startAllPWM()
   digitalWrite(LEDG, LED_ON);
   digitalWrite(LEDB, LED_OFF);
   digitalWrite(LEDR, LED_OFF);
-  
+
   for (uint8_t index = 0; index < NUM_OF_PINS; index++)
   {
-    PWM_LOGERROR7("Freq = ", freq[index], ", \tDutyCycle % = ", dutyCycle[index], ", \tDutyCycle = ", dutyCycle[index] / 100, ", \tPin = ", pins[index]);
-
+    PWM_LOGERROR7("Freq = ", freq[index], ", \tDutyCycle % = ", dutyCycle[index], ", \tDutyCycle = ",
+                  dutyCycle[index] / 100, ", \tPin = ", pins[index]);
+
     // setPWM(mbed::PwmOut* &pwm, pin_size_t pin, float frequency, float dutyCycle)
     setPWM(pwm[index], pins[index], freq[index], dutyCycle[index]);
   }
@@ -54,12 +55,12 @@ void restoreAllPWM()
   digitalWrite(LEDG, LED_ON);
   digitalWrite(LEDB, LED_OFF);
   digitalWrite(LEDR, LED_OFF);
-  
+
   for (uint8_t index = 0; index < NUM_OF_PINS; index++)
   {
     curFreq[index]      = freq[index];
     curDutyCycle[index] = dutyCycle[index];
-    
+
     // setPWM(mbed::PwmOut* &pwm, pin_size_t pin, float frequency, float dutyCycle)
     setPWM(pwm[index], pins[index], freq[index], dutyCycle[index]);
   }
@@ -70,12 +71,12 @@ void changeAllPWM()
   digitalWrite(LEDG, LED_OFF);
   digitalWrite(LEDB, LED_ON);
   digitalWrite(LEDR, LED_OFF);
-  
+
   for (uint8_t index = 0; index < NUM_OF_PINS; index++)
   {
     curFreq[index]      = freq[index] * 2;
     curDutyCycle[index] = dutyCycle[index] / 2;
-    
+
     // setPWM(mbed::PwmOut* &pwm, pin_size_t pin, float frequency, float dutyCycle)
     setPWM(pwm[index], pins[index], curFreq[index], curDutyCycle[index]);
   }
@@ -86,12 +87,12 @@ void stopAllPWM()
   digitalWrite(LEDG, LED_OFF);
   digitalWrite(LEDB, LED_OFF);
   digitalWrite(LEDR, LED_ON);
-  
+
   for (uint8_t index = 0; index < NUM_OF_PINS; index++)
   {
     curFreq[index]      = 1000.0f;
     curDutyCycle[index] = 0.0f;
-    
+
     //stopPWM(mbed::PwmOut* &pwm, pin_size_t pin)
     stopPWM(pwm[index], pins[index]);
   }
@@ -109,22 +110,25 @@ void printPulseWidth()
   if (num++ % 50 == 0)
   {
     printLine();
-    
+
     for (uint8_t index = 0; index < NUM_OF_PINS; index++)
     {
-      Serial.print(F("PW (us) ")); Serial.print(index); Serial.print(F("\t"));  
+      Serial.print(F("PW (us) "));
+      Serial.print(index);
+      Serial.print(F("\t"));
     }
 
     printLine();
   }
- 
+
   if (num > 1)
   {
     for (uint8_t index = 0; index < NUM_OF_PINS; index++)
     {
       if (pwm[index])
       {
-        Serial.print(getPulseWidth_uS(pwm[index])); Serial.print(F("\t\t"));
+        Serial.print(getPulseWidth_uS(pwm[index]));
+        Serial.print(F("\t\t"));
       }
     }
 
@@ -152,18 +156,18 @@ void check_status()
 
   if ( (millis() > changePWM_timeout) && (millis() > CHANGE_INTERVAL) )
   {
-    
+
     if (PWM_orig)
     {
-      if (count++ %2 == 0)
+      if (count++ % 2 == 0)
       {
         Serial.println("Stop all PWM");
         stopAllPWM();
       }
       else
       {
         Serial.println("Change all PWM");
-        
+
         changeAllPWM();
 
         PWM_orig = !PWM_orig;
@@ -172,12 +176,12 @@ void check_status()
     else
     {
       Serial.println("Restore all PWM");
-      
+
       restoreAllPWM();
 
       PWM_orig = !PWM_orig;
     }
-      
+
     changePWM_timeout = millis() + CHANGE_INTERVAL;
   }
 }
@@ -199,11 +203,13 @@ void setup()
   }
 
   Serial.begin(115200);
-  while (!Serial);
+
+  while (!Serial && millis() < 5000);
 
   delay(100);
 
-  Serial.print(F("\nStarting PWM_Multi on ")); Serial.println(BOARD_NAME);
+  Serial.print(F("\nStarting PWM_Multi on "));
+  Serial.println(BOARD_NAME);
   Serial.println(nRF52_MBED_PWM_VERSION);
 
   startAllPWM();

examples/PWM_Single/PWM_Single.ino

@@ -47,10 +47,10 @@ void restorePWM()
   digitalWrite(LEDG, LED_ON);
   digitalWrite(LEDB, LED_OFF);
   digitalWrite(LEDR, LED_OFF);
-  
+
   curFreq      = freq;
   curDutyCycle = dutyCycle;
-  
+
   // setPWM(mbed::PwmOut* &pwm, pin_size_t pin, float frequency, float dutyCycle)
   setPWM(pwm, myPin, freq, dutyCycle);
 }
@@ -60,10 +60,10 @@ void changePWM()
   digitalWrite(LEDG, LED_OFF);
   digitalWrite(LEDB, LED_ON);
   digitalWrite(LEDR, LED_OFF);
-  
+
   curFreq      = freq * 2;
   curDutyCycle = dutyCycle / 2;
-  
+
   // setPWM(mbed::PwmOut* &pwm, pin_size_t pin, float frequency, float dutyCycle)
   setPWM(pwm, myPin, curFreq, curDutyCycle);
 }
@@ -73,10 +73,10 @@ void stopMyPWM()
   digitalWrite(LEDG, LED_OFF);
   digitalWrite(LEDB, LED_OFF);
   digitalWrite(LEDR, LED_ON);
-  
+
   curFreq      = 1000.0f;
   curDutyCycle = 0.0f;
-  
+
   //stopPWM(mbed::PwmOut* &pwm, pin_size_t pin)
   stopPWM(pwm, myPin);
 }
@@ -93,18 +93,20 @@ void printPulseWidth()
   if (num++ % 50 == 0)
   {
     printLine();
-    
+
     Serial.print(F("PW (us)\t\tDutyCycle\tPeriod (uS)"));
 
     printLine();
   }
- 
+
   if (num > 1)
   {
     if (pwm)
     {
-      Serial.print(getPulseWidth_uS(pwm)); Serial.print(F("\t\t"));
-      Serial.print(getDutyCycle(pwm)); Serial.print(F("\t\t"));
+      Serial.print(getPulseWidth_uS(pwm));
+      Serial.print(F("\t\t"));
+      Serial.print(getDutyCycle(pwm));
+      Serial.print(F("\t\t"));
       Serial.print(getPeriod_uS(pwm));
     }
 
@@ -132,18 +134,18 @@ void check_status()
 
   if ( (millis() > changePWM_timeout) && (millis() > CHANGE_INTERVAL) )
   {
-    
+
     if (PWM_orig)
     {
-      if (count++ %2 == 0)
+      if (count++ % 2 == 0)
       {
         Serial.println("Stop PWM");
         stopMyPWM();
       }
       else
       {
         Serial.println("Change PWM");
-        
+
         changePWM();
 
         PWM_orig = !PWM_orig;
@@ -152,12 +154,12 @@ void check_status()
     else
     {
       Serial.println("Restore PWM");
-      
+
       restorePWM();
 
       PWM_orig = !PWM_orig;
     }
-      
+
     changePWM_timeout = millis() + CHANGE_INTERVAL;
   }
 }
@@ -176,11 +178,13 @@ void setup()
   digitalWrite(myPin, LOW);
 
   Serial.begin(115200);
-  while (!Serial);
+
+  while (!Serial && millis() < 5000);
 
   delay(100);
 
-  Serial.print(F("\nStarting PWM_Single on ")); Serial.println(BOARD_NAME);
+  Serial.print(F("\nStarting PWM_Single on "));
+  Serial.println(BOARD_NAME);
   Serial.println(nRF52_MBED_PWM_VERSION);
 
   startPWM();

examples/multiFileProject/multiFileProject.cpp

@@ -1,6 +1,6 @@
 /****************************************************************************************************************************
   multiFileProject.cpp
-  
+
   For Nano_33_BLE or Nano_33_BLE_Sense boards
   Written by Khoi Hoang
 

examples/multiFileProject/multiFileProject.h

@@ -1,6 +1,6 @@
 /****************************************************************************************************************************
   multiFileProject.h
-  
+
   For Nano_33_BLE or Nano_33_BLE_Sense boards
   Written by Khoi Hoang