• WinXP Explorer can't double-click while using UV3 editor

    Loren Amelang
    Loren Amelang

    In Keil UV3 (3.62c), if a file is open in the UV3 editor, I can't double-click in Windows XP Tablet Edition (sp3) Explorer, nor in Eudora. Eudora also can't select a line via a click at the left end of it (with the right-pointing cursor) - the line highlights…

    • over 12 years ago
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  • can't read 14112

    erik  malund
    erik malund

    comes up blank page

    • over 12 years ago
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  • What is the source of the warning?

    Catcus Blip
    Catcus Blip

    Hello,

    I'm scanning a piece of legacy code with PC-lint. I get the following warning:

    Warning 648: Overflow in computing constant for operation: 'multiplication'
    

    for the following piece of code:

    (unsigned int)(0-((full_pw+1)*2/10…

    • over 12 years ago
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  • Voting Mechanism for Threads/Messages

    Jon Ward
    Jon Ward

    I have received complaints about the quality of some of the threads and messages posted to the forum these days.

    If I see a thread that is out of control, I can and do mark it as Read-Only. This effectively shuts down the thread. However, I just don…

    • over 12 years ago
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    • Keil forum
  • Can someone explain the F4 and Shift+F4 shortcuts in µVision?

    Martin Macher
    Martin Macher

    Hello community,
    can someone explain the F4 and Shift+F4 shortcuts in uVision?

    If you use the "Tip of the Day" function (aka "Did you know..."), you can see some Tips while starting uVision. I am using version 3.33.

    One of the…

    • over 12 years ago
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  • To Jon

    erik  malund
    erik malund

    C51: How to interface 80C51 For Transmitter &
    C51: LCD Display

    clicking on either of these yeld nothing

    Erik

    • over 13 years ago
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  • microcontroller architecture

    a a
    a a

    Hi

    I have a SLE66CX360PE Microconrtoller. But I don't know it is member of which microcontroller architecture(MCS51/MCS251/ARM/C166) .

    Is there any one can help me?

    • over 14 years ago
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  • Need help on design of micro-controller with USB

    Dennis D
    Dennis D

    Hi...

    I'm looking for someone to help me design a micro-controller that can connect up to a USB port on a PC (Windows) and obtain a text file (notepad) that will contain a list of variables and values that I will provide.

    Once that data file…

    • over 14 years ago
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  • a very small annoyance

    erik  malund
    erik malund

    Jon,

    When I enter a post, the yellow eventually get greyed out but the "new message" bold remains.

    again

    a very small annoyance, but if you "get there anyway" it may be worth considering.

    Erik

    • over 14 years ago
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  • An open-source operating system is available at www.sourceforge.net

    Tamir Michael
    Tamir Michael

    Hello,
    Go to http://www.sourceforge.net. Look for EOS - a fully functional kernel for an XC167CI. It can easily be adjusted for any Infineon (or ARM) microcontroller.

    Enjoy!
    Tamir Michael

    • over 14 years ago
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  • AT91SAM7S system interrupt

    Dave Sudolcan
    Dave Sudolcan

    I have a small test program where the only interrupt I've enabled is the periodic interval timer, and it's been configured to generate 1-msec interrupts.

    The system peripheral interrupt service routine...

    1) toggles an I/O pin to show it…

    • over 14 years ago
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  • Is there a updated PDF manual available?

    SHEN ZhiQiang
    SHEN ZhiQiang

    I found that the last PDF manual's version is 09.2001 in Cx51 but on-line or chm version seems newer than PDF.

    So, is there updated PDF manual available so that i can print it and bind as a real book.

    Thanks,
    SHEN Zhi-qiang

    • over 14 years ago
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    • Keil forum
  • installation of ULINK

    Stefan Kunz
    Stefan Kunz

    Hallo. I have the problem that my ULINK does not work with µVision 3. I installed ULINK without any problems but everytime when I want to connect I get the error: NO USB DEVICE FOUND but an other testprogram find ULINK at one of my COM ports. So ULINK…

    • over 14 years ago
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  • register

    Stefan Kunz
    Stefan Kunz

    I want to register µVision. How?

    • over 14 years ago
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  • How does uvison get call stack infomation?

    karah zg
    karah zg

    Hi,

    I don't know why my debugger always has only one row in the call stack window, and especially the caller has the "prefix" of "\?C_LIB_CODE\?CO?CCASE?3_AP000006\" .
    Here is my test program:

    
    void func2(unsigned char * s)
    …

    • over 14 years ago
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  • capture signals

    karah zg
    karah zg

    in the page http://www.keil.com/support/docs/2187.htm
    it is said, to enable the feature of "logic analyzer", "the target debugger must be able to capture signals".

    I want to know what the meaning of "capture signals" is.…

    • over 14 years ago
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    • Keil forum
  • sizeof to assembler

    erik  malund
    erik malund

    I use the following means of making .h files usable in assembler

    #ifdef CCODE // bypass structs for assembler modules

    structs ... such as

    typedef struct
    {
    .........
    } E1_SEI;

    #endif
    extern U8 ...
    extern U16 ...
    etc

    this works very well.

    Now, on…

    • over 14 years ago
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  • how to specify the mspace

    erik  malund
    erik malund

     261      =1  void FramRead(U8 IFRCpage, unsigned char xdata * xdata IFRCstore);
    *** WARNING C258 IN LINE 261 OF MCDEFS.H: 'IFRCstore': mspace on parameter ignored

    The above should, based on the manual be a pointer in xdata to xdata. Why can…

    • over 14 years ago
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    • Keil forum
  • transmitting a float over serial port without use of any librarry

    Mudassar Mehboob
    Mudassar Mehboob

    Hi i want to transmit a float over serial port without use of any library because library takes lots of memory.
    Thanks for your help in advance

    • over 14 years ago
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  • Latches

    chandu chi
    chandu chi

    Hi all
    I need help from you
    in my project i have to display the voltage
    on seven segment display.
    iam using 89c51 & keil software

    I connected 3 number seven segment displays to the PORT2 by using 74LS373 latches .
    Latch enable signals were giveing…

    • over 14 years ago
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    • Keil forum
  • evaluation version running withcode size 2k

    FAZEL HAMIDI
    FAZEL HAMIDI

    hello all



    i interest with uvision3 but i have evaluation version limited tocode size 2k
    is there a free version with biger size
    anywhere??

    thanks all

    hamidi

    • over 14 years ago
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    • Keil forum
  • putstr()

    Azra z
    Azra z

    Hi,

    CAn anyone point out what is the error is following code? It compiles OK, but doesnot work as expected.


    code char* str1="xxyyzz";

    void putstr(const char *s){
    unsigned char ctr=8;
    do{
    tx_busy=1;
    SBUF=*s++;
    while(tx_busy);
    }while(-…

    • over 14 years ago
    • Software Tools
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  • Serial Data

    Azra z
    Azra z

    Hi All,

    How can i write a RS232 serial receive program that receices binary data and creates a unsigned long data from each 4-bytes received?

    I am using 2051 microcontroller.

    Any help would be appreciated.

    Azra

    • over 14 years ago
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    • Keil forum
  • Serial Data

    Azra z
    Azra z

    Hi All,

    How can i write a RS232 serial receive program that receices binary data and creates a unsigned long data from each 4-bytes received?

    Any help would be appreciated.

    Azra

    • over 14 years ago
    • Software Tools
    • Keil forum
  • can anyone find this in the ANSI C standard

    erik  malund
    erik malund

    I am not asking what it will do, that is a simple experimnt that I can do myself. Does anyone have specific knowledge of whether the following for loop where WFLcnt is an unsigned char is specified in the ANSI C standard to run 0 or 256 times.

      for (…

    • over 14 years ago
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