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Type: Posts; User: M.Melani

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    Thank you KurtE, I did not know this thing: ""...

    Thank you KurtE, I did not know this thing:
    "" to use objdump to disassemble code and look to see the actual startup ... ""

    Dear Poul, the most correct question would have been: Excuse me, what...
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    since I learned to use structures and...

    since I learned to use structures and enumerators, I tried to set up base on kinetis.h, and base on other MK20DX256.h files.
    I believe that there must be a logical order of those instructions.
    For...
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    Guys I need help . After spending many hours...

    Guys I need help .
    After spending many hours reading a part of Joseph Yiu's book about M4 processor, I have to say that he often uses CMSIS-Core libraries in his examples, and completely ignores any...
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    While I wait for the book. I thought about using...

    While I wait for the book.
    I thought about using the IAR ARM version to understand the behavior of the registers in simulation mode.
    And to make a first program to turn on and off an LED, with two...
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    I Agree ! I will try to do my best .

    I Agree ! I will try to do my best .
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    Kurt , what i am trying to do , ( in the wrong...

    Kurt , what i am trying to do , ( in the wrong way for sure ) it is to read the address 0x000001A4 that it is the corresponding :
    VECTOR_105 // 0x0000_01A4 105 or IRQ 89 Port...
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    Hi Kurt , thanks for your advise . I am using...

    Hi Kurt , thanks for your advise .
    I am using Teensy 3.2 , and the Interrupt Vector is 105 , as the memory location should be 0x0000_01A4 .
    And since this memory is fix ( if it was not remapped) ,...
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    Paul , think easy , of course I read it , simply...

    Paul , think easy , of course I read it , simply I am trying to learn how to attach my Named function to an Interrupt directly in the memory of the array .Without using your work, but not because I...
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    Wait a minute .... interrupt vector are not...

    Wait a minute .... interrupt vector are not called from the other pins of port C if you not set the other pins to make it happen .
    In my example , Is fix to be for only one pin , so all the other...
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    Considering that I received the book in Thailand...

    Considering that I received the book in Thailand not before August 22nd, I'm trying to do MY point.
    There are three things we need to do in writing an ISR. These things are:

    initialize the...
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    Yes I will . Already in process .

    Yes I will . Already in process .
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    Yes , you right it is how it work . But I think...

    Yes , you right it is how it work .
    But I think I must study more , because words as _attribute , week , alias , i must clear first in my head.
    Hard fault happen if the IRQ it is abilitate but no...
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    And only then , when I will understand , I will...

    And only then , when I will understand , I will use the comfortable smart way of the final function attachedinterrupt .
    Because otherwise I will create even more empty holes in my brain...hahahah
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    Maybe it is _VectorsRAM , if so , this word do...

    Maybe it is _VectorsRAM , if so , this word do this job ( if I am not wrong ).
    That why Paul clearly suggest me to study the architecture and language .
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    I like your explanation , and it is work as you...

    I like your explanation , and it is work as you say , indeed it was already clear , that why I am looking for a direct call without using any pointers array table with enum or combined macro . ...
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    No , at 45 years old what student I can be ! It...

    No , at 45 years old what student I can be !
    It is only for the pleasure to understand Learning do not have age .
    It is not easy , I know it , but only because I didnít get the gear jet .... but...
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    Thank you !

    Thank you !
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    Of course , it is a beautiful creation ! Small...

    Of course , it is a beautiful creation ! Small and flexible , and super fast !
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    Interrupt pin are not , but the portC it is or I...

    Interrupt pin are not , but the portC it is or I am wrong ?
    That address I post before it is of hardware because it start with 0x0000....
    So , ( I am trying to understand ) what the compiler...
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    I am sorry if seen my questions are ripetitive or...

    I am sorry if seen my questions are ripetitive or stupid .Or maybe I didnít write so well English .
    Thanks for your explanation. Indeed the Void function portc_Isr it is a function for retrieves, so...
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    This are the definition and the Pointer to the...

    This are the definition and the Pointer to the function , right ?
    typedef void (*voidFuncPtr)(void);
    volatile static voidFuncPtr intFunc[CORE_NUM_DIGITAL];

    That accept the max PIN number base...
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    The ISR_Table was create to make our future work...

    The ISR_Table was create to make our future work easy ,programming easy , as for the macros well structured .
    But if i want to set only one interrupt , the manual tell me the memory location of...
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    It is true, very efficient , but it not easy to...

    It is true, very efficient , but it not easy to read . I believe all start from the enumerated Isr table vector , so each functions is related to the table ( number in sequence ) .
    But it should...
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    Hi guys !! I really need help ..... While...

    Hi guys !! I really need help .....

    While accelerating the study on function pointers, structures, Typedefinition, enumerators, I really have difficulty reconstructing the minimum system of use of...
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    As Paul post , previously , ...

    As Paul post , previously ,

    https://stackoverflow.com/questions/201101/how-to-initialize-all-members-of-an-array-to-the-same-value

    f your compiler is GCC you can use following syntax:

    int...
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    Hi everyone , Base on what i read over your...

    Hi everyone ,

    Base on what i read over your examples and complex function pointers , i replicate some functions , but for simple int array i got error on Arduino(Teensy) IDE as :
    "expected...
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    THANK YOU PAUL ! Appreciate !

    THANK YOU PAUL ! Appreciate !
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    Thank you Paul , you great ! I must study...

    Thank you Paul , you great !
    I must study Concatenation , never use it before .
    What about voidFuncPtr intFunc[CORE_NUM_DIGITAL] = { [0 ... CORE_NUM_DIGITAL-1] = dummy_isr };
    What is the meaning...
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    Beautiful this forum, thanks for your clear...

    Beautiful this forum, thanks for your clear answers ....
    Actually, a few months ago I was delighted on a Texas TM4C123GH6PM Cortex-M4 processor, which actually has the register for each pin.
    The...
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    Assigned IRQ interrupt to digital pin

    Hi guys,
    ( SORRY IF I DOUBLE POST , I AM NEW AND I MISTAKE FORUM )
    I hope someone more capable of me can help me solve this dilemma.
    I'm not a professional programmer so I apologize if my...
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    Assigned IRQ interrupt to digital pin

    Hi guys,
    I hope someone more capable of me can help me solve this dilemma.
    I'm not a professional programmer so I apologize if my question could be trivial.

    I am using Teensy 3.2 , great...
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