• Missing string descriptors with lsusb?

    Peter von Konigsmark
    Peter von Konigsmark

    Hi All,

    Using the LPC1343 with the usbhid_rom example (and several others..), I'm not able to get string descriptors for the device via lsusb. I'm wondering if this is an issue with the device/string descriptors or something going on with my linux…

    • over 9 years ago
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    • Keil forum
  • Printf problem in Keil

    Kumail Ahmed
    Kumail Ahmed

    Whenever I try to send float value on the UART, the code compiles perfectly. But when I try to burn in on my LPC2138, it doesn't burn. Can you help me in solving my problem?

    my code is:

    printf("%f",AnsAfterNSamples(N)); //where AnsAfterNSamples…

    • over 9 years ago
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  • socket functions

    Per Franck
    Per Franck

    Trying to create a simple server, using the 'socket' type functions, but i get the errors:

    .\obj\workspace.axf: Error: L6218E: Undefined symbol bsd_NumSocks (referred from at_bsd.o).
    .\obj\workspace.axf: Error: L6218E: Undefined symbol bsd_RcvTout…

    • over 9 years ago
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  • Ping failure by the change of 10M to 100Mbps

    Rafael Noronha
    Rafael Noronha

    Hi!

    I'm developing a project and it's working well at 10Mbps (_10MBIT_ define at LPC23_EMAC.c) with TCP protocol. The ping response is perfect:

    ping 10.0.0.180
    
    Disparando 10.0.0.180 com 32 bytes de dados:
    Resposta de 10.0.0.180: bytes=32…

    • over 9 years ago
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  • Error L6218E when switching to C++

    Jon M
    Jon M

    Hello everyone,

    I have been searching the forums trying to find a solution to this but I have come up empty. There are plenty of posts regarding this error, but none (that I can find) in reference to switching to C++.

    I have created a (rather large…

    • over 9 years ago
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  • about Keil MDK "step-out" in debug mode

    Eric Hunt
    Eric Hunt

    Hi

    I use ULINK2 to debug S3C2440. I notice that the start-up code provided by Keil S3C2440.s, it change the cpu mode one by one to setup the stack, and finally enter the user mode then jump to the C code:

    ; Setup Stack for each mode ------------…

    • over 9 years ago
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  • LPC2364 CAN 2 operation mode problem

    Genji Phlippo
    Genji Phlippo

    Hi

    I'm having trouble with my 2nd CAN block on the LPC2364.
    The initialization goes fine (CAN2MOD is set to 0x00 in the end), but when I want to send a CAN message, it disables the CAN block by the transmission request. What could be the cause…

    • over 9 years ago
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  • ERRORS IN RTOS

    Ammy Singh
    Ammy Singh

    hey,
    i am workin on arm 7 (lpc2148)...i have the following code for rtos bt there are some prblems in compilation of code. so plzz help.
    here is the code
    #include <LPC214X.H>
    #include <rtl.h>
    //#include <RTX_Config.h>

    void delay(void…

    • over 9 years ago
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  • hh

    reza shiravand
    reza shiravand

    I have this errors,if you can help me,please.
    Error: L6218E: Undefined symbol os_clock_interrupt (referred from rtx_config.o).
    Error: L6218E: Undefined symbol os_mut_init (referred from rtx_config.o).
    Error: L6218E: Undefined symbol os_mut_release (referred…

    • over 9 years ago
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  • Problem with user commands

    Bob Cousins
    Bob Cousins

    Hi all,

    I want to use a user command to post-process the axf file. I enclose the command in quotes to preserve spaces in the path. However, if I also use quotes to enclose parameters in quotes, then the external command does not get called. If I don…

    • over 9 years ago
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  • Uvision Linker ERROR

    Patricio Ferreira
    Patricio Ferreira

    I am compiling a project using uvision4 and it compiling right, but when its start linking it gives me an error

    Build target 'Target 1'
    assembling Startup.s...
    compiling hello.c...
    C:\Keil\ARM\INC\Luminary\lm3s6918.h(2808): warning: #47-D:…

    • over 9 years ago
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  • LPC 2148 timer o interrupt working once

    sumit negi
    sumit negi

    hi ,

    I am configuring LPC 2148 timer 0 in interrupt mode, i am able to receive pnterrupt once but next time interrupt is not generating.(interrupt occurs at rate of 1 second)

    Following are the routines

    /***************************************…

    • over 9 years ago
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  • Keil and error 256

    Grzegorz Grzeda
    Grzegorz Grzeda

    Welcome!
    I've started my adventure with STM32 Discovery and Keil uVision v.4.13. I wrote a simple program:

    
    #include "stm32f10x_gpio.h"
    #include "stm32f10x.h"
    
    int i, c;
    
    int main(void)
    {
            while(1)
            {
                    for(i=0;i<10000;…

    • over 9 years ago
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  • LCD Controller S1D13781 Interfacing with LPC2148 ARM7

    GIRISH SHARMA
    GIRISH SHARMA

    Hi
    I am interfacing LPC2148 ARM7 with LCD controller S1D13781 but i am using 8 bit direct mode as specified in LCD controller Datasheet and send all configure bits to registers but finall y i am not able to generate HS and VS
    if any one use S1D13781…

    • over 10 years ago
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  • uVision 4.03 Linker Error

    Kris Z
    Kris Z

    I am compiling a project that does not include RL-RTX. The project compiles correctly, however the linker errors out stating:

    linking...
    .\Obj\Blinky.axf: Error: L6218E: Undefined symbol rt_dly_wait (referred from fport.o).
    .\Obj\Blinky.axf: Error…

    • over 10 years ago
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  • Assembling error

    Prakash Rajolli
    Prakash Rajolli

    Hello,

    I am new to the assembly code. The code which I given below is compile(assembling) fine in KEIL.

            AREA    |.text|, CODE, READONLY
    
            EXPORT vF_dspl_pid
    
    vF_dspl_pid
            push {r4-r7}
    
            ldrsh Kp,[pS_StateCoeff]
         …

    • over 10 years ago
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  • TCPNet PPP sometimes fails

    roberto conti
    roberto conti

    I am using RL-ARM TCPnet in an attempt to set up a PPP connection to Windows XP.
    Sometimes it all works well; i can connect to my device and i can normally exchange tcp packets.
    Other times, ppp links does not go up; in these cases, it seems like PC…

    • over 10 years ago
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  • Strange not enough ROM area message

    André Moutinho
    André Moutinho

    Hello all,

    I am working on an application that was using around 350KB of program memory. I have changed it in order to add some more features and now the keil compiler complains there is no enough ROM area.

    I am using the LPC2387 with 512KB on-chip…

    • over 10 years ago
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  • Multiple USB Interfaces

    Francis Mazzaro
    Francis Mazzaro

    I´m trying to get 02 USBTMC interfaces in a LXP1768 ARM7 with RL-ARM but the host just show me one.
    Anyone know if it´s possible? Any example....

    Following the Configuration

     /* USB Standard Device Descriptor */
    const U8 USB_DeviceDescriptor…

    • over 10 years ago
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  • Create a blank new project using CMSIS library

    João Paulo Martins
    João Paulo Martins

    Hello guys!

    I'm just starting to use the LPC17xx MCU, using the Keil uVision4 as the design tool.
    I want to build a new project, using the outstanding CMSIS library, because this is a complete driver library for the MCU peripherals.

    After studying…

    • over 10 years ago
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  • How to create Header file for a C function

    Himanshu Bugalia
    Himanshu Bugalia

    I created a new project( CHOOSING THE library function) and write the code :

    #include<stdio.h>

    //signed long int pow(signed int base, signed int power)
    signed long int pow(signed int base, signed int power); signed long int pow(signed int base…

    • over 10 years ago
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  • Not able to program ST3210F using uLink2

    Sasi Kumar S.R
    Sasi Kumar S.R

    The sample application download for STM3210F using uLink2 fails by showing the following errors

    1. Contents missmatch at: 08000000H (Flash=00H Required=60H) !
    Contents missmatch at: 08000004H (Flash=05H Required=99H) !
    Contents missmatch at: 08000005H…

    • over 10 years ago
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  • problems after upgrade to mdk 4.10

    sad man
    sad man

    I got a lot of errors after upgrade mdk 4.00 to mdk 4.10:

    error: #5: cannot open source input file "stdio.h": No such file or directory
    error: #5: cannot open source input file "cstddef": No such file or directory
    error: #5: cannot…

    • over 10 years ago
    • Software Tools
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  • RTX Kernel and stm32f10x_lib.h generates C++ compile error.

    Kris Z
    Kris Z

    Building new firmware application using RTX Kernel and stm32f10x_lib.h generates error because library is not C++ compatible.

    Development Board: STM3210E-EVAL
    OS: RTX Kernel
    Tools: uVision4

    After creating a new uVision project for the STM3210E-EVAL…

    • over 10 years ago
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    • Keil forum
  • Please help with RTX

    Akhil PB
    Akhil PB

    I'm new to ARM RTX. So i tried to compile the example RTX_ex2 in the RL folder of keil.. Its default controller was LPC2129. It compiled with it. But mine is LPC2148. So I tried to change it. Now it doesnt work anymore. Even when i tried to change it…

    • over 10 years ago
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