• stepper motor

    krishna swamy
    krishna swamy

    how to drive a stepper motor without using stepper driver?. I know that stepper motor can be driven using pulse width modulation and it can be achieved by using port pins. what are all the other requirements we have to consider?(timer channel...)

    • over 15 years ago
    • Software Tools
    • Keil forum
  • Defining variables for internal memory (8051)

    lina t
    lina t

    Can anyone pls help me in writing the following lines in C

    Var1   DATA  40h
    org 0100h
    mov  A,#45h
    mov  Var1,A
    END
    

    thanks,
    Lina

    • over 15 years ago
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  • Lookup table in C

    lina t
    lina t

    To make a lookup table in c,I've tried like this

    static code unsigned char T[]={0X01,0X02,0X03};
    .But is it possible to prepare one as we do in assembly.
    org 3000h
    db 01h,02h,03h
    
    i.e assigning some address to the variable T in the example given…

    • over 15 years ago
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  • stack

    krishna swamy
    krishna swamy

    I am writing a code in embedded C.I would like to know how much should be my stack? How to calculate it?.

    • over 15 years ago
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    • Keil forum
  • how to write to the external memory

    Mohammed Hameed
    Mohammed Hameed

    Hi everybody

    I am using ADuC7026, I have just written two program(i.e fft...). but it isnt downloading to flash after setting debug it is saying like code size limit exceed. Is there any code or any intialization so that i can able to download it to…

    • over 15 years ago
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    • Keil forum
  • how to create a file to view output

    Mohammed Hameed
    Mohammed Hameed

    hi everybody

    I have used hyper terminal and set baudrate to view my processor output. Is it possible to create an file in keil(any command) in which we can directly print the output instead of viewing in hyper terminal.


    thanks in advance

    • over 15 years ago
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    • Keil forum
  • problem with example problem UART output

    Mohammed Hameed
    Mohammed Hameed

    From keil code examples

    C:\ADuC_Beta702x\Code\Keil Code Examples\UART\UART1

    #include <ADuC7026.h>

    extern int write (int file, char * ptr, int len); // Functions used to
    extern int getchar (void); // to output data
    extern int putchar(int); //…

    • over 15 years ago
    • Software Tools
    • Keil forum
  • Example UART1 is not giving output

    Mohammed Hameed
    Mohammed Hameed

    Hi everybody

    I have opened this Keil example problem UART1.c and compiled it...with Aduc7026
    But this program is not giving output(Like printf("hello") on the serial port). I dont know why?

    Thanks in advance

    hameed

    • over 15 years ago
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    • Keil forum
  • what is mean of the key word "XBPSTACK" in the startup.a51 and how uses it!

    jeny jn
    jeny jn

    what is mean of the key word "XBPSTACK" in the startup.a51 and how uses it!

    • over 16 years ago
    • Software Tools
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  • search, also replace, windows suddenly pick something else

    ²erik malund
    ²erik malund

    This is my #1 irritant with uVision, does anyone have ideas how to avoid it (is not, but could be, always move cursor left first)
    Win7 pro/chrome

    • over 2 years ago
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  • is there a way to "unoverlay"

    ²erik malund
    ²erik malund

    e.g. see watch1 and watch2 at the same time

    • over 2 years ago
    • Software Tools
    • Keil forum
  • clearing a watch window

    ²erik malund
    ²erik malund

    I can find hide, tab etc, but no clear of a watch window. It is rather cumbersome to clear entries one by one

    • over 2 years ago
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  • signal function have no infinite loop

    taowa none
    taowa none

    signal function have no infinite loop.it will exit after the last sentence?

    if yes ,why i can't call the signal function twice?

    • over 5 years ago
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    • Keil forum
  • uVision 5.14 - 'Close All But...' prompts to save changes in the tab not closed!

    Andy Neil
    Andy Neil

    Using the 'Close All But This' option will prompt to save any changes in the file not being closed!

    Harmless, I suppose, but caused a little chuckle

    • over 5 years ago
    • Software Tools
    • Keil forum
  • Forum no longer really useful - your opinions...?h

    Tamiryan Michael
    Tamiryan Michael

    Hello,

    The system in place to prevent spam is highly ineffective. I urge Kiel to change it to a registration / moderation based system. Note how the number of useful posts has dropped. There are no longer open and meaningful discussions here. What…

    • over 6 years ago
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    • Keil forum
  • ADMIN - watc hdog forbidden

    ImPer Westermark
    ImPer Westermark

    I have in two separate threads multiple times tried to write comments relating to wat ch dog - which is a very important subject on this forum.

    Only problem is that it always fails with a server error 500.100.

    You shouldn't block so obvious embedded…

    • over 6 years ago
    • Software Tools
    • Keil forum
  • It's been playing-up for a while...

    Andy Neil
    Andy Neil

    ... and now it's got really bad!!

    • over 7 years ago
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  • To Westonsupermare Pier

    Andy Neil
    Andy Neil

    Perhaps we should meet up for some Pier-to-Pier networking?

    • over 7 years ago
    • Software Tools
    • Keil forum
  • Dear Keil, would you PLEASE fix this ?

    Robert Wey
    Robert Wey

    Next time you're working on uVision, would you PLEASE put a timer on the Ctrl+Tab handler such that if the interval between events is longer than X, it only toggles between the last two tabs viewed?

    Thanks,
    -RW

    ( if this is already available…

    • over 8 years ago
    • Software Tools
    • Keil forum
  • CAN-Bus, one 60-Ohm instead of two 120-Ohm resistors

    John Linq
    John Linq

    Sorry for my limited English ability and Technical ability.

    It is very common in our company that, the engineers don't care about (or don't know) the termination resistors on a CAN-Bus. They just simply put one 60-Ohm resistor between two or several…

    • over 8 years ago
    • Software Tools
    • Keil forum
  • uVision debugging 'Watch' question

    HenkvW
    HenkvW

    Hi,

    I'm using the Keil uVision V4.03q.

    I wonder if there's any setting to be able to watch all variables during debugging?
    If I want to watch a function argument in a function it says: 'out of scope' so I have to define a static copy of that…

    • over 8 years ago
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    • Keil forum
  • How to fix file sequence presentation in the IDE?

    HenkvW
    HenkvW

    Hi,

    My sourcecode files start with numbers like F12_xxx, F13_yyy, e.t.c. So F12 is a higher hierarchical file than F13.
    I open my files in the IDE (uVision4) starting with the lowest filenumber on the left adding next sequential filenumbers to the…

    • over 9 years ago
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    • Keil forum
  • FIFO using malloc

    Luc Vercruysse
    Luc Vercruysse

    Hi,

    I have to store variable length data in a FIFO.
    The main program puches and pops lots of data on/from that FIFO. Data is only pushed
    when there is space in in the FIFO-buffer.

    Is it a good idea to use dynamic memory allocation (malloc, free)…

    • over 9 years ago
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    • Keil forum
  • Device Database - Consultant Links Broken

    Andy Neil
    Andy Neil

    http://www.keil.com/condb/ says,

    "Consultants are listed in the Device Database on the pages of the chips with which they claim to have experience"

    But that is no longer true - there are no Counsultant links on the Device Database pages…

    • over 9 years ago
    • Software Tools
    • Keil forum
  • ADMIN: Moderator-locking or yet another forum bug?

    ImPer Westermark
    ImPer Westermark

    The recent thread
    http://www.keil.com/forum/19213
    is now locked.

    Is this a silent moderator action, or one of many errors with this forum - like old threads allowing one (1) post to be added before they get locked, or our regular problems that we…

    • over 9 years ago
    • Software Tools
    • Keil forum
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