blink.c

Back to Blink sample application.

#include <appTimer.h>
#include <zdo.h>
#include <blink.h>

static HAL_AppTimer_t blinkTimer;                           // Blink timer.

#ifndef _BUTTONS_
static HAL_AppTimer_t changeBlinkTimer;                     // Buttons emulation timer.
#endif //#ifndef _BUTTONS_

static void buttonsReleased(uint8_t buttonNumber);          // Button release event handler.
static void blinkTimerFired(void);                          // blinkTimer handler.

#ifndef _BUTTONS_
static void changeTimerFired(void);                         //Buttons emulation timer handler. 
#endif //#ifndef _BUTTONS_

/*******************************************************************************
  Description: application task handler.

  Parameters: none.
  
  Returns: nothing.
*******************************************************************************/
void APL_TaskHandler(void)
{
  BSP_OpenLeds(); // Enable LEDs 

#ifdef _BUTTONS_
  BSP_OpenButtons(NULL, buttonsReleased);         // Register button event handlers
#else
  // Configure blink timer
  changeBlinkTimer.interval = 10000;              // Timer interval
  changeBlinkTimer.mode     = TIMER_REPEAT_MODE;  // Repeating mode (TIMER_REPEAT_MODE or TIMER_ONE_SHOT_MODE)
  changeBlinkTimer.callback = changeTimerFired;   // Callback function for timer fire event
  HAL_StartAppTimer(&changeBlinkTimer);           // Start blink timer
#endif //#ifdef _BUTTONS_
  
  // Configure blink timer
  blinkTimer.interval = BLINK_INTERVAL;           // Timer interval
  blinkTimer.mode     = TIMER_REPEAT_MODE;        // Repeating mode (TIMER_REPEAT_MODE or TIMER_ONE_SHOT_MODE)
  blinkTimer.callback = blinkTimerFired;          // Callback function for timer fire event
  HAL_StartAppTimer(&blinkTimer);                 // Start blink timer
}

#ifndef _BUTTONS_
void changeTimerFired(void)
{
  static uint8_t button = HALF_PERIOD_BUTTON;
  //Buttons emulation 
  buttonsReleased(button);
  if (HALF_PERIOD_BUTTON == button)
    button = DOUBLE_PERIOD_BUTTON;
  else
    button = HALF_PERIOD_BUTTON;
}
#endif //#ifndef _BUTTONS_

/*******************************************************************************
  Description: blinking timer fire event handler.

  Parameters: none.
  
  Returns: nothing.
*******************************************************************************/
static void blinkTimerFired()
{
  BSP_ToggleLed(LED_RED);
  BSP_ToggleLed(LED_YELLOW);
  BSP_ToggleLed(LED_GREEN);
}

/*******************************************************************************
  Description: button release event handler.

  Parameters: buttonNumber - released button number.
  
  Returns: nothing.
*******************************************************************************/
static void buttonsReleased(uint8_t buttonNumber)
{
  HAL_StopAppTimer(&blinkTimer); // Stop blink timer
  
  // Dependent on button being released, update blink interval
  if (HALF_PERIOD_BUTTON == buttonNumber)
  {
    blinkTimer.interval /= 2;
    if (blinkTimer.interval < MIN_BLINK_INTERVAL)
      blinkTimer.interval = MIN_BLINK_INTERVAL;
  }
  else if (DOUBLE_PERIOD_BUTTON == buttonNumber)
  {
    blinkTimer.interval *= 2;
    if (blinkTimer.interval > MAX_BLINK_INTERVAL)
      blinkTimer.interval = MAX_BLINK_INTERVAL;
  }

  blinkTimerFired();              // Update LED status immediately.
  HAL_StartAppTimer(&blinkTimer); // Start updated blink timer.
}

/*******************************************************************************
  Description: just a stub.

  Parameters: are not used.
  
  Returns: nothing.
*******************************************************************************/
void ZDO_MgmtNwkUpdateNotf(ZDO_MgmtNwkUpdateNotf_t *nwkParams) 
{
  nwkParams = nwkParams;  // Unused parameter warning prevention
}

/*******************************************************************************
  Description: just a stub.

  Parameters: none.
  
  Returns: nothing.
*******************************************************************************/
void ZDO_WakeUpInd(void) 
{
}

/*******************************************************************************
  Description: just a stub.

  Parameters: none.
  
  Returns: nothing.
*******************************************************************************/
void ZDO_SleepInd(void) 
{
}

//eof blink.c

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