Thread: LCD problem in printing ascii value from generated adc 8051

  1. #1
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    LCD problem in printing ascii value from generated adc 8051

    Hi people,
    I am doing a bit of c programing to read temperature from an analogue temperature sensor. Now I have converted the value from the sensor to ASCII. My problem is to display that value. I have tried alot to display this converted value, but had no success. I know how to display words on lcd and special characters in ascii. but I can't display the value of the temperature as the compiler is giving me an error: " error C247: non-address/-constant initializer". Below is some extracts of the code made:

    insert
    Code:
    unsigned char unit;
    ...
    
    code unsigned char message[]={unit,0xDF,0x43};
    now the units has been converted to ASCII in another function. Can please someone help me out. Thanks in advance,
    FIatUNO

  2. #2
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    Why are you trying to use the code specifier? You will probably need a constant to use the code segment. Shouldn't that be one of your data segment instead.

    Jim

  3. #3
    and the hat of int overfl Salem's Avatar
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    To be strictly ANSI C, you need something like
    Code:
    void foo ( unsigned char unit ) {
        unsigned char message[]={0x00,0xDF,0x43};  /* 0x00 is a placeholder */
        message[0] = unit;
    }
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.

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