• Bluetooth

    Hi I want to learn every thing about blue tooth but a practical approach. does any body know shareworthy information please do tell. i would also like to know some good books about blue tooth.
    Any help would be highly appreciated

  • sram interfacing & c code.

    i am using keil microvision 2 . i want to interface 64kb sram with 8051 suggest me
    code . i know hardware interfacing but i am confused among xdata ,compact,small,large
    memory models suggest me how to use this with example.

  • LPC21xx ADC Problem

    I have just started writing a simple application for the LPC2129. I have a problem with polling the DONE bit of the ADC.

    The ADC clock is 3.68 MHz. I set the ADC to be 10 bits, single shot. I start the ADC and then poll the done bit like this:-
    while…

  • selecting toolset to use when starting new project (LPC2000)

    Hi
    Is there a way to select to toolset to use when running the new project wizard ?
    Changing afterwards is not proof since the copied startup code does not match the new selected toolset.

  • is it just me

    or do the rest of you also have the last 3 days posts marked "unread" (bold in thread list)

    Erik

  • A question about general purpose timers

    Hello all,
    I am using GPT3 for timing purposes in my RTOS (I am not running it on hardware yet - just in the IDE). I tried to use the example supplied in the "Getting started and creating applications" document (page 163) which is supposed to induce a…

  • about *.flx

    Q1:i build the flash algorithm's project in Keil/arm/Flash/sub-folder and get *.flx file in keil/arm/flash.but when i want to Use the Add button in the Configure Flash Download dialog to add this programming algorithm file to the µVision project…

  • HELP! How to use 'inportb' or/and 'outportb'??

    Hi all,

    I wanna use the function like outportb and inportb to read/write my RS-232 port. I have included the "stdio.h" in my C program and it gives out the error messages like ''outportb' missing function prototype'. I have read soem books about that…

  • User functions/uVision3

    Ok, let's go about this a different way.
    
    Here is a stripped-down version of a much more complex C
    program, running on a Si Labs C8051F046:
    >
    > /* * * * * * * * */
    > /* BEGIN t1.c    */
    > /* * * * * * * * */
    >
    > unsigned char t1(unsigned char k);
    >
    …

  • Problem with Keil LCD sample code

    Dear all,
    I run the codes downloaded from
    http://www.keil.com/appnotes/docs/apnt_161.asp
    When I run it in debug mode the uV crashes.
    What's wrong with the code? Need other settings?

    Thanks.

    Bill

  • anyone figured this one out

    in a mixed environment I have a common .h which inlude things like
    #ifdef CCODE
    struct RALPH
    #endif

    so far so good.

    now this, which, of course does not work:
    #ifdef CCODE
    struct RALPH
    #endif
    #define ralphsize sizeof (RALPH)

    in other words, my assembler…

  • interfacing ADC0804 and HY62256(S-ram) to AT89C52 microcontroller.

    Hi,
    I have tried to interface ADC0804 and HY62256(S-ram) to AT89C52 microcontroller. The whole idea is to do an A/D conversion using ADC 0804 and than store the data input to the SRAM. The code that i had developed is below for reference. It does not…

  • uC with eternet and USB connectivity

    hi
    can any one suggest a microcontroller which has got ISB and ethernet connectivity..i found out that MAX80c400has got ethernet connectivity ...but i didnt find one which has uSb connectivity

  • Building GCC etc. for use with uVision3

    Hello,

    I would like to build a newer version of the GNU toolchain for the ARM processor for use with the Keil uVision debugger.

    Does anyone know the method used to build the version shipped by Keil. (ie I need to know things like which options to pass…

  • How can we use pointers in Keil.

    Hi all,
    i dont know that much about keil, and i want to know wether we can use pointers in keil like in C? If yes then how??
    Thanking you.

  • Keil eval version, obj start at 0x800,

    Hi,

    I 've just downloaded Keil C51 evaluation
    version, It is working, thank you.

    But the object (hex) starts with a few
    code at 0x0000 at the flash,
    then the rest fills the flash area
    start from 0x0800.

    How to set the compiler so the obj (hex…

  • JK Flip Flop

    What would be the output of a 74LS112 JK Flip-Flop at the end if J=0 and K=1 for one clock pulse

    then J=1 and K=1 for the next 3 clock pulses?

    PS is 1
    CLR is 1

  • LPC2138 Timer0 Interrupt

    Can anyone tell me why my interrupt is not firing? The T0IR flag is set upon rollover of the TIMER0 32 bit timer, but my code is not vectored to the interrupt code. My variable 'system_timer' never gets decremented.

    unsigned long system_timer…

  • My idea about ARTX isr_evt_set()

    In the ARTX help say 'It might happen that two isr_evt_set() functions for the same task are called before the task gets a chance to run from os_evt_wait_xx() event waiting function. Of course one event is lost because event flags are not counting objects…

  • Replies to Old Threads

    I've noticed that there are a lot of superfluous replies to old, outdated threads. Does it make sense to block threads from any new replies after so many months of inactivity?

    Jon

  • Interrupt control

    I have a digital signal in one input port and I would like to handle it in a interrupt function.

    How can I do it?

  • Can anybody give some example of AT91SAM7S64?

    The keil sofeware give too few example about AT91SAM7S64. The development of AT91SAM7S64 is not easy just like LPC22XX. If, post to godday@21cn.com. Thanks a lot!

  • is there an optimization level

    is there an optimization level that will do no, nada, none "code packing" and STILL overlay variables.

    it sems that after some release when opt lev 2 became required for variable overlay it is impossible to debug without having to do "strange…

  • pointer of pointer type??

    what is different form, follow as:

    (1)code XBYTE *AA[]={...};
    
    (2)code void (*BB[])(void)={...};
    

  • Tiner Inaccuracy

    Hello,
    I am using an MCB900 evaluation board for philips LPC935FA which uses a clock of 7.373MHz. I wanted a 1 second delay so I loaded timer 0 with these values: TH0=0xF1; TL0=0x99 (I used the code architect to get these values). I then used a counter…