• want to build assembler !

    amit dhanawade
    amit dhanawade

    sir, i want to build a downloader ckt !

    i have searched lot, but i din't got satisfactory result. will u plz help me.

    • over 13 years ago
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  • EJMP to a function instead of ECALL, in C language

    Ioan Chiselita
    Ioan Chiselita

    Hello,
    I write some code for a microcontroller (251 family) in C language.
    depending on some stuff, i will continue in a way or another way, so i will call the desired function as
    Function();
    This will lead to an ECALL in asm, which mean PC up on the…

    • over 13 years ago
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  • p89LPC952 programming circuit

    Rajkiran Dundaraddi
    Rajkiran Dundaraddi

    Hi,

    I am designing 8051 trainer board using P89LPC952(from Philips). Can you provide me the "Programming circuitary" required to program the built-in FLASH using ISP(In-System Programming).

    Thank You

    Rajkiran

    • over 13 years ago
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  • Link Error

    JeanFrancois Jacob
    JeanFrancois Jacob

    I am a beginner. I have my .c and .h files. With Archimedes I made a new project including all these .c files. Then I made Build All. I can see that each .c file is processed to make .obj file but at the end a window open and tell me ''Fatal Error 210…

    • over 13 years ago
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  • AT89C52 interface with Nokia3310 LCD

    Adrian Tan
    Adrian Tan

    May i know have any one is successfull make the lcd work? If yes can share your experience with me?

    • over 13 years ago
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  • Linker errors

    Erez Harari
    Erez Harari

    I compile my program and get the following errors
    =========================================
    linking...
    *** ERROR L107: ADDRESS SPACE OVERFLOW
    SPACE: CODE
    SEGMENT: ?PR?SETTHERMODEDETECTIONENABLED?TCU
    LENGTH: 000009H
    *** ERROR L138: CODE GENERATION: PROBLEM…

    • over 14 years ago
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  • average of an array

    Gowri Shankar
    Gowri Shankar

    In my project i am incrementing my array 1 and want to find the average of it.

    But unfortunately my code is correct when i debugged but it gives an erroneous output when print the output.

    I will put my code below can anybody say what is the problem…

    • over 14 years ago
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  • Help ......when I build .....error:C3900U: Unrecognized option '-pu'

    Frank ee
    Frank ee

    Help ......when I build .....error:C3900U: Unrecognized option '-pu'

    And I don't know what is wrong...
    Could you help me...thanks

    platform:MCB2378

    • over 13 years ago
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  • ADC1256 not responding

    kumud singh
    kumud singh

    < I am using 8 ADS1256 adc's in a board and through FPGA reading the output to microcontroller on multiplexing basis

    but whatever command I give ADC gives output as 00 even no data is coming on DOUT pin.

    even I am not able to read configuration…

    • over 13 years ago
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  • For loop

    Gowri Shankar
    Gowri Shankar

    can i use the for loop like this in accessing the 2-d array.

       for(u=0;u<=4;u++)
         {
           for(v=v1;;)
              {
                 arr[u][v] += 1;
               }
         }
    

    bcos in the second for loop i want to do the increment in some other function…

    • over 14 years ago
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  • Passing 2-D array

    Gowri Shankar
    Gowri Shankar

    I want to pass a 2-D array from one function to another function. I wrote the program but sometimes i get wrong values.

    float Arr[81][10];
    
    void Monitor_Slot1(void)
      {
         if(Slot_1 == 0)
           {
              Dev_Curr = fNewVREF_1 / Res;
    
           …

    • over 14 years ago
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  • Add two strings

    Stefan Kunz
    Stefan Kunz

    Hallo,
    Is it possible, that I can add the strings '1' '.' and '2'.
    I want to add this 3 strings: 1.2 and convert it into a float value and than I want add a float value.

    • over 14 years ago
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  • f11

    adfg gfea
    adfg gfea

    http://www.aol.com

    • over 14 years ago
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  • f11

    adfg gfea
    adfg gfea

    http://www.aol.com

    • over 14 years ago
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  • Need Linker documentation for C251 Version 2.14

    Mellissa Dalby
    Mellissa Dalby

    Having recently come in to the Firmware group after all of the original members have gone, I find that we do not have any documentation for the L251 Linker.
    Is there any one out there who may have the documentation file (L251.pdf) for C251 Version 2.14…

    • over 14 years ago
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  • Problem using the SPI HW of TSC80251G2D on MCBx51

    Georgios Plakaris
    Georgios Plakaris

    Hi,

    I have followed the guidelines from Designers Guide for the Atmel TSC80251G2D controller to implement an SPI master with polling policy.
    When testing on the MCBx51 eval. board I do get the 8 clock cycles on the SCK line(P1.6).

    However on the MOSI…

    • over 14 years ago
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  • Global variables

    Chris Hines
    Chris Hines

    Keil MicroVision is new to me and I cannot get the variables in one function to be global because there is no "PUBLIC" command. How do I make it so a variable can be changed by any function. BTW I'm programming in C#. Any help is much appreciated.…

    • over 14 years ago
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  • 89S8252 Internal EEPROM

    Mahesh M
    Mahesh M

    89S8252 is having internal 2kb of EEPROM,that is defined in the xdata memory space i want to create a structure having the following content,But to write in that memory it require some different method.
    xdata struct EEPROM {

    unsigned int Last_Data;…

    • over 14 years ago
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  • serial memory interfacing

    charu patil
    charu patil


    hi
    i wanted to know about memory interfacing serially with 89c51
    give some examples

    • over 15 years ago
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  • Object to Hex Converter does not run

    Dan  Engheben
    Dan Engheben

    I am using the CMX operating system within my application and now when I try and link, I get linker warnings. In talking with CMX, the linker warnings are normal (they are overlaying interrupts). However, since linker warnings are present the OH251…

    • over 15 years ago
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  • Building and compiling uv2 project from batch file instead of uv IDE

    Kathy Sanders
    Kathy Sanders

    Hello All,

    I am trying to understand how to build a uv2 project from command line.

    Presently when the (eg test.uv2) project is clicked open, it defaults to the uv2 IDE for build, compile and link.

    Is there any way,that a project can be built, compiled…

    • over 15 years ago
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  • info

    Usman Javed
    Usman Javed

    its a very basic question....i've been trying to use a "float" variable in my calculations in 89c2051 but the compiler reports an I/O error. :S
    I've included the header file float.h.plz help me with this.
    tx

    • over 14 years ago
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  • inforamtion about 8255 interfacing with 8051 microcontrollers

    Muhammad Siddique  khan
    Muhammad Siddique khan

    how to interface 8255 IC with 8051 microcontroller.

    • over 15 years ago
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  • User defined memory selectors

    Dan  Engheben
    Dan Engheben

    Is there any pragma that allows you to create your own memory selector keyword? (i.e. near_ram). I have two EDATA classes defined as:
    CL (edata(0-041FH),edata(4000H-FFFFH))

    I would like to use the key word near to denote the first class and the near_ram…

    • over 14 years ago
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  • how to interface an 8051 to an RF transmitter ?

    Chris  Boo
    Chris Boo

    I need to transmit a string of data between two RF modules. The data will store into 8051. How to write a program to interface the microntroller and transmitter using embeded programming? Beside that how to write a program to send out the data.

    • over 15 years ago
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