// ARM Mbed OS Tasking Test

// Copyright (C)2019-2020, Philip Munts, President, Munts AM Corp.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

#include <mbed.h>
#include <appinfo.h>

// Finite duration task -- periodically display "Hello, World"

static void TaskHello(void)
{
  unsigned i;

  for (i = 0; i < 10; i++)
  {
    printf("Hello, World\n");
    ThisThread::sleep_for(2s);
  }
}

// Infinite duration task -- flash an LED

static void TaskBlink(void)
{
  DigitalOut led(LED1, false);

  for (;;)
  {
    led = !led;
    ThisThread::sleep_for(300ms);
  }
}

BufferedSerial UART(SERIAL_TX, SERIAL_RX, 115200);

int main(void)
{
  MUNTS::AppInfo::Banner("ARM Mbed OS Tasking Test");

  // Start some subtasks

  Thread hello;
  Thread blink;

  hello.start(TaskHello);
  blink.start(TaskBlink);

  // Wait for finite duration substasks to finish

  hello.join();
  printf("DEBUG: TaskHello() has terminated.\n");

  // Terminate infinite duration subtasks and wait for them to finish

  blink.terminate();
  blink.join();
  printf("DEBUG: TaskBlink() has terminated.\n");

  printf("END OF PROGRAM\n");
}