• gsm sim 900

    cjoel john
    cjoel john

    i have one doubt, how to send array value via gsm.

    • over 4 years ago
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    • Keil forum
  • Another feature clasified as BUG

    robert seczkowski
    robert seczkowski

    When I place function directive 'code', the Keil compiler recognize it as supposed to be located in execution area.
    But how the Keil knows, the 'code' can only mean CODE.
    In my case CODE does not exist, but the ECODE only.
    And there is…

    • over 6 years ago
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  • Library CODE area problem

    robert seczkowski
    robert seczkowski

    My code supposed to use ECODE memory region only.
    I've noticed that several issues are related to this requirement:
    - placing "code" directive in C places the function in CODE only area.
    - if code uses library ( not explicitly specified…

    • over 6 years ago
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  • error 65 access violation

    manu mamman
    manu mamman

    iam getting an error "error 65 access violation at c:0x0000: no execute/read permission"
    while programming at89c52 in keil vision3... what should i do?? program is compiled.. no error.. but cant simulate... plz help

    • over 7 years ago
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  • KIEL NOT RECOGNIZING T2CON,TCLK FOR 89S52

    mayank vats
    mayank vats

    WHEN I AM TRYING TO USE TIMER 2 IN 89S52 AS BAUD RATE GENERATOR .MY uVISION IS NOT RECOGNIZING THESE REGISTERS(TCLK,T2CON).WAT DO I DO..HELP NEEDED ASAP

    • over 7 years ago
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  • GSM modem interfacing with 8051 to make a call

    uma latha
    uma latha

    Hi,

    Am unable to make a call through GSM modem. If try the same command using Hyper terminal its working fine but not able to dial using controller. sending message is working fine from my controller can you help me to suggest what may be the problem…

    • over 7 years ago
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  • AgsiSetWatchOnMemory( ) in AGSI doesn't work

    FENG QIANG
    FENG QIANG

    Hi, now i m working on C251 Debugger , using AGSI interface to realize some Peripheral.
    In AgsiEntry function, i set watch on memory, range 0x1000~0x1fff, run() is a callback function when memorys are writed

    void run(void)
    { Agsi.Message("run");…

    • over 8 years ago
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  • POLLING

    eliahu c.
    eliahu c.

    Hi all
    How polling is done in the C code ?
    Do I need to use interval timers for that ?

    Elico

    • over 8 years ago
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  • WIRELESS daqs

    Ramiz Khan
    Ramiz Khan

    My project name is--> WIRELESS DATA ACQUISITION AND TRANSMISSION SYSTEM DESIGN.

    In this project i have to use 8 bit encoder/decoder between RF and 8051 but in market 8 bit encoder/decoder pair HT640/648 is not avilable.So what i have to do plz suggest…

    • over 8 years ago
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  • Running parallel program

    vikas ty
    vikas ty

    HI,
    I have designed a controller for a system for my project. I have interfaced RS 232with it and rx and transmit data to DS89c420.
    I have been asked to stop all the operation on entering a particular char say Q, my question is dat is it possible to…

    • over 8 years ago
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  • Reading into SBUF is SLOW

    Mayuri Ghosalkar
    Mayuri Ghosalkar

    
    # include <stdio.h>
    
    # include <aduc842.h>
    
    #pragma registerbank(2)
    
    
    
    void sendmoduleinit(void);
    void InitByte_Char (volatile unsigned long);
    void print2uart_hex(int);
    void displaytemp1(void);
    
    void displaycal(void);
    void sendremaining(void);
    volatile…

    • over 8 years ago
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  • automatic irrigation system

    mthandazo siziba
    mthandazo siziba

    Can i have assistance on the code for sending data via RF ucing PIC. I want to send data on soil moisture content using soil moisture senors. the data should be sent to a controlling station via RF. PLEASE HELP IM STUCK

    • over 8 years ago
    • Software Tools
    • Keil forum
  • Programming for stepper motor

    santhosh ruben
    santhosh ruben

    Hello everyone.,

    I am ruben
    I am in need of a Stepper motor control program to turn right and left and to rotate 180" each side.
    I am preferring at89s52 controller and using keil uvision3
    kindly give me some suggestions.

    • over 9 years ago
    • Software Tools
    • Keil forum
  • about NCONST

    phil Lee
    phil Lee

    In C251,
    printf ("\nStart Measurement Recording\n");
    after compiling, the const "\nStart Measurement Recording\n" is located at address above 0x8000, but my mcu's data ram is less than 0x8000, what happened? or it is the bug of the C251 Compiler…

    • over 9 years ago
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  • CD51FPL.LIB

    Jin Lu
    Jin Lu

    Hi,

    I have a Keil uVision2 comipiler I used for years. Recently, in compiling/linking a new project based on a DP80390 device, I got the error:

    *** ERROR L210: I/O ERROR ON INPUT FILE: EXCEPTION 0021H: PATH OR FILE NOT FOUND FILE: C:\KEIL\C51\LIB…

    • over 9 years ago
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    • Keil forum
  • dummy2

    webstar web
    webstar web

    test3224

    • over 9 years ago
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  • Long duration timer usiing interrupt

    Manas sudhakar
    Manas sudhakar

    How do you generate a delay of 80msec using cystal of 11.095Mhz frequency using autoload mode and interrupt while sending data simultaneously to some other port?

    • over 9 years ago
    • Software Tools
    • Keil forum
  • Import uVision 1 Project

    nick c
    nick c

    I am using uVision3 V4.55 w/ linker L251 V4.35 and I have imported an old uVision 1 project using the "Import uVision1 Project" option
    I have checked all the options and they are correct. However on compiling I get a C11 error on one line …

    • over 9 years ago
    • Software Tools
    • Keil forum
  • about RTC interrupt problem

    kka ka
    kka ka

    i m using CDP68HC68T1 RTC to trigger the interrupt once after one minute i receive data from zigbee. however, now the problem is that the interrupt of RTC will trigger once when i receive the data.
    this is a part of program for RTC interrupt.

    void…

    • over 9 years ago
    • Software Tools
    • Keil forum
  • Hardware interrupt program

    pbk yew
    pbk yew

    HI I have tried many programs for hardware interrupt programming(int 0 , int1). None is working. please help me with a code...

    • over 9 years ago
    • Software Tools
    • Keil forum
  • keil simulator TCP connection

    ichwanto wanto
    ichwanto wanto

    I use Keil version 3 and wanna simulate the UART communication in TCP/IP port,
    I use these settings :
    - protocol: T0;
    - Interface type: Socket connection (Simulator);
    - host: localhost;
    - port: 20073;

    I try to connect with a Visual C program that can…

    • over 10 years ago
    • Software Tools
    • Keil forum
  • I have slightly corrected the code for Digital clock program using AT892051

    Rohan fernandes
    Rohan fernandes

    #include <AT892051.H>
    #include <stdio.h>
    #include <intrins.h>
    
    
    
    sbit DigitShiftregisterSerialPin=P1^0;                    /* Character to be transfered through thisbit in parallel*/
    sbit DigitShiftregisterClockPin=P1^1;                     /* Clock…

    • over 10 years ago
    • Software Tools
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  • Third Harmonic Injection PWM

    sumathi E
    sumathi E

    Please send codings to generat Third Harmonic Injection PWM (THIPWM) signal.

    • over 10 years ago
    • Software Tools
    • Keil forum
  • Analog Devices ADuC8xx EDATA section (ADuC831) Windows Serial Downloader

    Tim Dahlin
    Tim Dahlin

    Does anyone on this board know the file format/structure the Windows Serial Downloader uses for writing the 4k EEprom data section?

    Documentation I've read doesn't seem to mention the file format.

    ftp.analog.com/pub/MicroConverter/ADuC8xx…

    • over 10 years ago
    • Software Tools
    • Keil forum
  • Using AT24c02 for random read operation

    Pradeep Hegde
    Pradeep Hegde

    I had written a ASM code for Driving a EEPROM using P89V51RD2...........
    It works fine for sequential write n read....
    But the problem is, tat it doesnt read for random..... Plz hep me in tat...
    I have placed my code.....

    pre SDA equ P1.0 SCL equ P1…

    • over 11 years ago
    • Software Tools
    • Keil forum
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