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  1. Replies
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    My compiler doesn't recognize size_t as a...

    My compiler doesn't recognize size_t as a variable type, and it gives me this warning:

    warning: implicit declaration of function 'memset' [-Wimplicit-function-declaration]
    warning: incompatible...
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    This is NOT an assignment. This is for a real...

    This is NOT an assignment. This is for a real piece of hardware. I understand the code that nonpuz posted, and I use similar code in other sections of this program.
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    nonpuz, Thanks for your help. I have already...

    nonpuz,

    Thanks for your help. I have already made a change to the second if condition. I changed 'return (p);' to 'return (RANGE_ARRAY[p]);'. I have tested it in a static condition and it returns...
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    I found one mistake and fixed it. int POLL...

    I found one mistake and fixed it.



    int POLL (int *RANGE_ARRAY) {

    int d = 0;
    int e = 0;
    int f = 0;
    int g = 0;
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    I didn't say it is correct, I said it compiles. I...

    I didn't say it is correct, I said it compiles. I have to download it into my equipment, which is out in the cold, to test it.

    The integers are [0, 7].

    This is the way I came up with to do the...
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    Polling an Array

    I want to find the value occurs most in an 8 integer array. Here is the code that I have. It does compile, but has not been tested.




    int POLL (int *RANGE_ARRAY) {

    int d = 0;
    int e =...
  7. It's only supposed to jump as TPS_INDEX changes,...

    It's only supposed to jump as TPS_INDEX changes, but it changes when TPS_INDEX is steady.

    I got an answer to my question. I don't need a break or default after the last case. My Switch/Case code...
  8. It's an Infinite Loop. It tests TPS_INDEX against...

    It's an Infinite Loop. It tests TPS_INDEX against different tables, based on INDEX, and changes INDEX based on the results of the test. It's a basic Elevator program, where INDEX is the current...
  9. I hope that this is better! int INDEX =...

    I hope that this is better!




    int INDEX = 1;


    While(1) {
  10. Sorry, I copied it from Notepad++. All the...

    Sorry, I copied it from Notepad++.

    All the indentations got messed up. Notepad++ tracks the brackets.

    I'll try to repost it with indentations.
  11. Program Jumps Between Cases Without Reason

    This program seems to jump between cases without any reason.





    INDEX = 1;


    While(1) {
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    Excuse me for jumping into this thread, but I...

    Excuse me for jumping into this thread, but I have a problem with a Switch/Case. I have a while loop, but the code seems to jump between cases without any reason.

    Do you need the last break at the...
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    This code used to work properly, but in editing...

    This code used to work properly, but in editing it to fix something else, that initialize statement must have been deleted.
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    grumpy, Thanks! I think that you have found...

    grumpy,
    Thanks!
    I think that you have found the problem, in spite of me not showing enough of the code. I neglected to Initialize i. i is used in several other similar routines, and is initialized...
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    Lookup Table Problem

    I have a 10 term array that I use as a lookup table.


    const int array[10] (0, 1, 2, 3, 4, 5, 6, 7, 8, 9);

    This is the routine that I call to get a number from that table.


    int LOOKUP (int...
  16. Thread: Nested Switch

    by danlee58
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    949

    You are right, and I have considered that myself,...

    You are right, and I have considered that myself, but I like to see the active code on one screen or page, so I don't have to jump back & forth while reading the code.

    The code that I posted is...
  17. Thread: Nested Switch

    by danlee58
    Replies
    10
    Views
    949

    I don't have a debugger. I have to compile & test...

    I don't have a debugger. I have to compile & test the code on the hardware. I use 'printf' to debug.

    I also don't have an editor that will track (, and ) or {. and }.
  18. Thread: Nested Switch

    by danlee58
    Replies
    10
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    949

    I think that I see a problem here: case...

    I think that I see a problem here:



    case 4:
    if (A < E) //Do something }
    break;
    case...
  19. Thread: Nested Switch

    by danlee58
    Replies
    10
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    949

    When I say that it gets lost, I mean that the...

    When I say that it gets lost, I mean that the hardware doesn't switch to the proper state, based on the input conditions. It starts out right, but when it gets to case 2 under case 4 it doesn't...
  20. Thread: Nested Switch

    by danlee58
    Replies
    10
    Views
    949

    Nested Switch

    I have a control program that uses a nested Switch Statement. It gets lost while executing the second Switch.

    The code looks like this:



    int A;
    int B = x; //B, C, D and E are constants...
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    The ROM size is 32K. I am whittling away a what...

    The ROM size is 32K. I am whittling away a what was > 1K more than the 32K. I asked the question to get some insight into the best way to code these decision blocks. They may not seem like much, but...
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    Code Efficiency

    I am working on a program where the code exceeds the ROM space by ~1K. I'm trying to reduce the size of my program.

    There is a lot of code that checks the state of a binary Flag.



    int flag =...
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    I did Google it myself, but none of the sites...

    I did Google it myself, but none of the sites that came up actually defined it.

    Thanks Mats, I understand it's function is to convert a 32 bit Signed Integer to Double Precision Floating Point.
    ...
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    What Is The Purpose of __floatsidf?

    When I compile a C program that I am working on, the .lst file shows some routines that I am not familiar with. One of these is __floatsidf.

    What does this routine do, and why do I need it in my...
  25. OK, that's it. I was passing a volatile integer...

    OK, that's it. I was passing a volatile integer to a non-volatile pointer. It's working now. Thanks.
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