/************************************************************************************//**
** \brief Toggles the LED at a fixed time interval.
** \return none.
**
****************************************************************************************/
void LedToggle(void)
{
static unsigned char led_toggle_state = 0;
static unsigned long timer_counter_last = 0;
unsigned long timer_counter_now;
/* check if toggle interval time passed */
timer_counter_now = TimerGet();
if ( (timer_counter_now - timer_counter_last) < LED_TOGGLE_MS)
{
/* not yet time to toggle */
return;
}
/* determine toggle action */
if (led_toggle_state == 0)
{
led_toggle_state = 1;
/* turn the LED on */
LCD_Symbol(LCD, LCD_SYMBOL_OLIMEX, 1);
}
else
{
led_toggle_state = 0;
/* turn the LED off */
LCD_Symbol(LCD, LCD_SYMBOL_OLIMEX, 0);
}
/* store toggle time to determine next toggle interval */
timer_counter_last = timer_counter_now;
} /*** end of LedToggle ***/
void vLCDTask( void *pvParameters )
{
long x;
LCD_TypeDef *xLCD = LCD;
char *pcScrollText = "FreeRTOS Energy Micro ";
/* Loop through various different displays. */
for( ;; )
{
/* Start by scrolling some text. */
LCD_ScrollText( xLCD, pcScrollText );
LCD_AllOff( xLCD );
/* Count down from 100 on the number section of the LCD display. */
for( x = 100; x > 0; x--)
{
LCD_Number( xLCD, x );
vTaskDelay( 10 );
}
LCD_NumberOff( xLCD );
/* Turn on gecko and EFM32 symbol. */
LCD_Symbol( xLCD, LCD_SYMBOL_GECKO, 1 );
LCD_Symbol( xLCD, LCD_SYMBOL_EFM32, 1 );
LCD_Write( xLCD, " Gecko " );
vTaskDelay( lcdONE_SECOND );
LCD_AllOn( xLCD);
vTaskDelay( lcdONE_SECOND );
LCD_AllOff( xLCD);
LCD_Write( xLCD, "OOOOOOO" );
vTaskDelay( lcdSHORT_DELAY );
LCD_Write( xLCD, "XXXXXXX" );
vTaskDelay( lcdSHORT_DELAY );
LCD_Write( xLCD, "+++++++" );
vTaskDelay( lcdSHORT_DELAY );
LCD_Write( xLCD, "@@@@@@@" );
vTaskDelay( lcdSHORT_DELAY );
LCD_Write( xLCD, "ENERGY " );
vTaskDelay( lcdQUARTER_SECOND );
LCD_Write( xLCD, "@@ERGY " );
vTaskDelay( lcdSHORT_DELAY );
LCD_Write( xLCD, " @@RGY " );
vTaskDelay( lcdSHORT_DELAY );
LCD_Write( xLCD, " M@@GY " );
vTaskDelay( lcdSHORT_DELAY );
LCD_Write( xLCD, " MI@@Y " );
vTaskDelay( lcdSHORT_DELAY );
LCD_Write( xLCD, " MIC@@ " );
vTaskDelay( lcdSHORT_DELAY );
LCD_Write( xLCD, " MICR@@" );
vTaskDelay( lcdSHORT_DELAY );
LCD_Write( xLCD, " MICRO@" );
vTaskDelay( lcdSHORT_DELAY );
LCD_Write( xLCD, " MICRO " );
vTaskDelay( lcdQUARTER_SECOND );
LCD_Write( xLCD, "-EFM32-" );
vTaskDelay( lcdQUARTER_SECOND );
}
}
