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Reading timer2 capture function

Ali Salim
Prodigy 90 points

I am trying to read the timer2 capture function and then output it to the lcd screen. please advise if this code is enough to make this function operate or I should use a unit32 for val !

T2CTRL |= 0x0D;

 {
    
    
    T2MSEL |= 0x11; // T2MSEL.T2MOVFSEL = 00010001
   
     union counter2
     {
        char byte[3];
        unsigned int val;
    };
    union counter2 t2cnt;
        t2cnt.byte[0] = T2MOVF2;
        t2cnt.byte[1] = T2MOVF1;
        t2cnt.byte[2] = T2MOVF0;
       
   HalLcdWriteStringValue ("C:", t2cnt.val, 10, 1); 
   
  }

  • 0
    TI__Genius 10650 points

    Hello Ali,

    The question above is asking if the val should be defined as uint32 but I am not sure what value you want to store in val. If you want to store the T2MOV0/1/2 values combined in one variable then it needs to be uint32. 

    Also, the function HalLcdWriteStringValue has the following prototype so please be careful in using this function and check the values that you pass as arguments.

    void HalLcdWriteStringValue( char *title, uint16 value, uint8 format, uint8 line )

    Regards

  • 0
    Guru 735685 points

    To output t2cnt.val to LCD, you can use sprintf to format the string to a char* buffer and use HalLcdWrite with buffer.