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[PIC] MikroC count_down timer error.Plesss help me!!

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Alberto Dan

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Hy i have a problem with a count down timer.I m new in microcontroller,i stardet to learned two month ago.Now i try to make a countdouwn timer from 99 to 0.Next i want to try to maket from 9999 to 0.I don't understant what about interrupt and i try to make it only from C.
Now i write a code but in Mikroc Give me to error:
1)temp1 = (value%10); //error opeator is not applicable to these operands
2) value = chose_value(); //error not enought parameters
and i don't understand why
I did not succeed for now to try my code to see if it's work because of this error.If anybody want to watch in the code and give some ideas what think about it...
I atach a photo with proteus schematics.
Thx werry much ,i need a help please!!!

My code is:

Code C - [expand]
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sbit en_enter at RA2_bit;
double temp1 =0;
double temp2 = 0;
 
 
///////////////////////////////Set PORTC output ////////////////////
 
 void toportc(int a)
{
switch(a)
{
         case 0:
              portc=63;
              break;
         case 1:
              portc=6;
              break;
         case 2:
              portc=91;
              break;
         case 3:
              portc=79;
              break;
         case 4:
              portc=102;
              break;
         case 5:
              portc=109;
              break;
         case 6:
              portc=125;
              break;
         case 7:
              portc=7;
              break;
         case 8:
              portc=255;
              break;
         case 9:
              portc=111;
              break;
         default:break;
         }
}
 
 
/////////////////////////////////////Show The Time Function//////////////////////////
void show_time(double value)
{
     porta.ra3=0;
     porta.ra4=1;
     temp1 =(value/10);
     toportc(temp1);
     delay_ms(200);
     portc=0;
     
     porta.ra3=1;
     porta.ra4=0;
     temp1 = (value%10); //error opeator is not applicable to these operands
     toportc(temp1);
     delay_ms(200);
     portc=0;
     
     }
 
 
////////////////////////////////Chose value Function/////////////////////////
double chose_value(double value)
{
 double value =0;
 char new_encoder,last_encoder;
 while(en_enter == 0)
 {
      new_encoder = (porta & 0x03 );
      if(new_encoder != last_encoder)
      {
                     if(new_encoder.F1 == last_encoder.F0)
                                       value+=0.25;
                     else
                                       value-=0.25;
      last_encoder = new_encoder;
      }
      if((value <0) || (value >= 100))
         value = 0;
      show_time(value);
      }
      return value;
      
/*
while(en_enter ==0)
{
       if(portb.rb4 == 1)
       {
                    value++;
                    delay_ms(300);
       }
       
       if(portb.rb5 == 1)
       {
                    value--;
                    delay_ms(300);
       }
       
       if(value == 100)
       value = 0;
 
       if(value <0)
       value =0;
       show_time(value);
      }
      return value;
*/
 
 
 }
 
 ///////////////////////////////////Count_Down Function//////////////////////////////////////////
 void count_down(int value)
 {
      int i=0;
      portb.f1 = 1;
      delay_ms(10);
      
      for(i=value ; i>=0 ; i--)
      {
                  show_time(i);
                  delay_ms(990);
      }
      delay_ms(10);
      portb.f1=0;
      
 }
 
//////////////////////////////////////Fumnctia MAIN//////////////////////////////////
void main() {
 
double value =0.0;
ADCON1 = 0b00000110;//all portA as digital I/O
TRISB = 0XFF;//SET PORT B AS IMPUT
TRISC = 0X00;//SET PORT C AS OUTPUT
 
for(;;)
{
       value = chose_value();  //error not enought parameters
       count_down(value);
}
 
}


This is my schematic on proteus


count down.PNG
 
Last edited by a moderator:

1) I assume that error is occurring in the 'show_time' function (line 59 above). In that function, 'value' is defined as a double and the modulus operator ('%') is not defined for doubles - only integer values.
2) The 'choose_value' function declaration contains a parameter (a double called 'value') and so any call to that function, such as the one you make in the 'main' function in line 144 must also provide a parameter.
These have nothing to do with your circuit or interrupts or timers etc. They are basic C programmign language errors.
Susan
 

Thx you verry much,i try when i go home.I hope works!
 

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