root/webserver/example/Crossworks_taskinglib/main.c

#include <ctl_api.h>

#include "LPC23xx.h"

// Pin I/O LED Control Maskbit
#define  LED1       0x02000000                                                          // P3.25(0000 00x0 0000 0000 0000 0000 0000 0000)
#define  LED2       0x04000000                                                          // P3.26(0000 0x00 0000 0000 0000 0000 0000 0000)

#define  LED1_ON()  FIO3CLR = LED1                                              // LED1 Pin = 0 (ON LED)
#define  LED1_OFF() FIO3SET = LED1                                                      // LED1 Pin = 1 (OFF LED)
#define  LED2_ON()  FIO3CLR = LED2                                                      // LED2 Pin = 0 (ON LED)
#define  LED2_OFF() FIO3SET = LED2                                                      // LED2 Pin = 1 (OFF LED)

/* pototype  section */
void delay(unsigned long int);                                                          // Delay Time Function

int led_1_state = 0;
int led_2_state = 0;

void ConfigBlinky(void)
{
  // Config Pin GPIO3[26:25]   
  PINSEL7  &= 0xFFC3FFFF;                                                                       // P3[26:25] = GPIO Function(xxxx xxxx xx00 00xx xxxx xxxx xxxx xxxx)
  PINMODE7 &= 0xFFC3FFFF;                                                                       // Enable Puul-Up on P3[26:25]
   
  FIO3DIR  |= LED1;                                                                     // Set GPIO-3[26:25] = Output(xxxx x11x xxxx xxxx xxxx xxxx xxxx xxxx)
  FIO3DIR  |= LED2;
  LED1_OFF();                                                                                           // Default LED Status
  LED2_OFF();
}

/***********************/
/* Delay Time Function */
/*    1-4294967296     */
/***********************/
void delay(unsigned long int count1)
{
  while(count1 > 0) {count1--;}                                                         // Loop Decrease Counter        
}

void task1(void *p)
{
  volatile int i;
  while (1)
  {
    for (i = 0; i < 10; i++)
    {
      i++;
    }

    if (led_1_state == 0)
    {
      LED1_ON();
      led_1_state = 1;
    } 
      else 
    {
      LED1_OFF();
      led_1_state = 0;
    }
    delay(5000000);     

    ctl_task_reschedule();
  // task code, on return task will be terminated
  }
}

void task2(void *p)
{
  volatile int k;
  while (1)
  {
    for (k = 0; k < 10; k++)
    {
      k++;
    }

    if (led_2_state == 0)
    {
      LED2_ON();
      led_2_state = 1;
    } 
      else 
    {
      LED2_OFF();
      led_2_state = 0;
    }
    delay(5000000);             


    ctl_task_reschedule();
  }
  // task code, on return task will be terminated
}



static CTL_TASK_t mainTask;

static CTL_TASK_t task1Task;
static unsigned task1Stack[64];

static CTL_TASK_t task2Task;
static unsigned task2Stack[64];


int
main(void)
{
  // Turn myself into a task running at the highest priority.
  ctl_task_init(&mainTask, 255, "main");

  // Initialise the stack of task1.
  memset(task1Stack, 0xba, sizeof(task1Stack));

  // Initialise the stack of task2.
  memset(task2Stack, 0xba, sizeof(task2Stack));
 
  ConfigBlinky(); /* Configure LEDs */

  // Make another task ready to run.
  ctl_task_run(&task1Task, 1, task1, 0, "task1", sizeof(task1Stack) / sizeof(unsigned), task1Stack, 0);

  // Make another task ready to run.
  ctl_task_run(&task2Task, 1, task2, 0, "task2", sizeof(task2Stack) / sizeof(unsigned), task2Stack, 0);


  // Now all the tasks have been created go to lowest priority.
  ctl_task_set_priority(&mainTask, 0);

  // Main task, if activated because task1 is suspended, just
  // enters low power mode and waits for task1 to run again
  // (for example, because an interrupt wakes it).
  for (;;)
    {
      // Go into low power mode
      //sleep();
    }
}