main.c

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/* This file has been prepared for Doxygen automatic documentation generation.*/
//  Include files
#include "stk504_lcd.h"
#include "defines.h"
#include <inavr.h>
#include <iom3290.h>

/******************************************************************************************
*
*   Function name:  LCD_timerDelay( unsigned char delay )
*
******************************************************************************************/
void LCD_timerDelay( unsigned char delay )
{
  __disable_interrupt();
  LCD_timer = delay;                          //Plant LCD_timer seed to generate delay - delay*(1/[LCD frame rate])
  LCD_status.updateComplete = FALSE;          //Clear updateComplete to be able to test if LCD interrupt has been served
  LCD_status.updateRequired = TRUE;           //Request update of the LCD to let the LCD ISR clear set updateComplete
  __enable_interrupt();
  while( !LCD_status.updateComplete );        //Don't update the LCD_displayData into LCD has been updated
}

#define DELAY1 30
#define DELAY2 5

void main(void)
{
  unsigned char counter, n;
  unsigned char testString[] = "STK504";

  LCD_init();
  __enable_interrupt();

  for(;;)
  {
    //----------------------------------------------------------
    // Display the teststring on the LCD display
    //----------------------------------------------------------
    while( !LCD_status.updateComplete );        //Don't update the LCD_displayData into LCD has been updated
    LCD_status.updateRequired = FALSE;          //Block the updating of the LCD while accessing LCD_displayData

    for (counter = 0; counter < 6; counter++ )
    {
      LCD_PutChar( *(testString + counter), counter + 1 ); //Write new data to LCD_displayData
    }
    LCD_status.updateComplete = FALSE;          //Clear LCD_updateComplete flag to indicate that LCDdisplayData
                                                // has been updated, but LCD has not been updated yet.
    LCD_status.updateRequired = TRUE;           //Request update of the LCD (release LCD update blocking).
    while( !LCD_status.updateComplete );

    //----------------------------------------------------------
    // Battery charging display test
    //----------------------------------------------------------
    LCD_SetSeg( S9, 1 );           // Show the Battery Symbol
    LCD_SetSeg( S10, 1 );
    LCD_SetSeg( S11, 1 );


    n=1;
    for(counter = 0; counter < 8; counter++)
    {
      LCD_BarSeg(n);
      n = (n << 1) + 1;
      LCD_status.updateRequired = TRUE;
      LCD_timerDelay(DELAY1);
    }
  }
}

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