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#include ".\gmetr.h"

#define LCD_RS          PIN_B1      // rizeni registru LCD displeje

#define LCD_E           PIN_B0      // enable LCD displeje

#define LCD_DATA_LSB    PIN_C4      // pripojeni LSB bitu datoveho portu LCD displeje (celkem 4 bity vzestupne za sebou)

#include "C:\library\CCS\lcd.c"

void main()

{

signed int16 stred;

signed int8 hodnota;

unsigned int8 i, offset;

   setup_adc_ports(ALL_ANALOG);

   setup_adc(ADC_CLOCK_DIV_2);

   setup_spi(FALSE);

   setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);

   setup_timer_1(T1_DISABLED);

   setup_timer_2(T2_DISABLED,0,1);

   lcd_init();

   Delay_ms(100);

   set_adc_channel(1);

   LCD_gotoxy(1,1);

   printf(lcd_putc,"Gmetr 0.1.2 Beta");

   LCD_gotoxy(1,2);

   printf(lcd_putc,"Kaklik@mlab.cz");

   Delay_ms(500);

   LCD_clr();

   LCD_gotoxy(1,1);

   printf(lcd_putc,"Clibration...");

   stred = 0; 

   for(i=0;i<=127;i++)

   {

     Delay_ms(10);

     stred = stred + read_adc();

   }

   stred = stred >> 7;

   while(true)

   {

      hodnota = read_adc();

      Delay_ms(50);

      LCD_clr();

      LCD_gotoxy(6,1);

      printf(lcd_putc," %03ld ",(stred - hodnota));

      if (hodnota >= stred)

      {

        offset = hodnota - stred;

        offset = (offset >> 5) + 8;

      }

      else

      {

        offset = stred - hodnota;

        offset = offset >> 5;

      }

      LCD_gotoxy(offset,2);

      printf(lcd_putc,"*");

   }

}