Adjust default main task size.

Author: mikaelpatel

Scheduler.cpp

@@ -1,6 +1,6 @@
 /**
  * @file Scheduler.cpp
- * @version 1.4
+ * @version 1.5
  *
  * @section License
  * Copyright (C) 2015-2017, Mikael Patel
@@ -64,7 +64,7 @@ SchedulerClass::task_t SchedulerClass::s_main = {
 SchedulerClass::task_t* SchedulerClass::s_running = &SchedulerClass::s_main;
 
 // Initial top stack for task allocation
-size_t SchedulerClass::s_top = SchedulerClass::DEFAULT_STACK_SIZE;
+size_t SchedulerClass::s_top = SchedulerClass::DEFAULT_MAIN_STACK_SIZE;
 
 bool SchedulerClass::begin(size_t stackSize)
 {
@@ -126,8 +126,8 @@ void SchedulerClass::yield()
 
 size_t SchedulerClass::stack()
 {
-  size_t bytes = 0;
   const uint8_t* sp = s_running->stack;
+  size_t bytes = 0;
   while (*sp++ == MAGIC) bytes++;
   return (bytes);
 }

Scheduler.h

@@ -1,6 +1,6 @@
 /**
  * @file Scheduler.h
- * @version 1.5
+ * @version 1.6
  *
  * @section License
  * Copyright (C) 2015-2017, Mikael Patel
@@ -33,7 +33,7 @@ class SchedulerClass {
   /**
    * Initiate scheduler and main task with given stack size. Should
    * be called before start of any tasks if the main task requires a
-   * stack size other than the default size. Returns true if
+   * stack size other than the default main size. Returns true if
    * successful otherwise false.
    * @param[in] stackSize in bytes.
    * @return bool.
@@ -105,6 +105,7 @@ class SchedulerClass {
 #if defined(TEENSYDUINO)
   /** Default stack size and stack max. */
   static const size_t DEFAULT_STACK_SIZE = 1024;
+  static const size_t DEFAULT_MAIN_STACK_SIZE = 2048;
 #if defined(__MK20DX256__)
   /** Teensy 3.2: 64 Kbyte. */
   static const size_t STACK_MAX = 16384;
@@ -121,15 +122,18 @@ class SchedulerClass {
 #elif defined(ARDUINO_ARCH_AVR)
   /** Default stack size. Stack max dynamically checked against heap end. */
   static const size_t DEFAULT_STACK_SIZE = 128;
+  static const size_t DEFAULT_MAIN_STACK_SIZE = 256;
 
 #elif defined(ARDUINO_ARCH_SAM)
   /** Default stack size and stack max. */
   static const size_t DEFAULT_STACK_SIZE = 1024;
+  static const size_t DEFAULT_MAIN_STACK_SIZE = 2048;
   static const size_t STACK_MAX = 32768;
 
 #elif defined(ARDUINO_ARCH_SAMD)
   /** Default stack size and stack max. */
   static const size_t DEFAULT_STACK_SIZE = 1024;
+  static const size_t DEFAULT_MAIN_STACK_SIZE = 2048;
   static const size_t STACK_MAX = 16384;
 
 #else

library.properties

@@ -1,9 +1,9 @@
 name=Portable Scheduler
-version=1.2.5
+version=1.2.6
 author=Mikael Patel
 maintainer=Mikael Patel <mikael.patel@gmail.com>
-sentence=Scheduler for simple multi-tasking.
-paragraph=This library is an implementation of an extended sub-set of Arduino Scheduler interface. The function yield() will context switch between multiple loop() functions.
+sentence=Scheduler for collaborative multi-tasking.
+paragraph=This library is a portable implementation of the Arduino Scheduler interface. The function yield() will context switch between multiple loop() functions.
 category=Other
 url=https://github.com/mikaelpatel/Arduino-Scheduler
 architectures=avr,sam,samd