• problem with RTOS at stm32f4

    help me, when i make a project which using RTX to make a RTOS project, there are some error.
    this error:
    .\TIM_PWM_Output\TIM_PWM_Output.axf: Error: L6218E: Undefined symbol os_set_env (referred from main.o).
    .\TIM_PWM_Output\TIM_PWM_Output.axf: Error…

  • HAL_CM4.c

    When i compile HAL_CM4.c i get the error
    compiling HAL_CM4.c...
    RTOS\HAL_CM4.c(122): error: A1854E: Unknown opcode 'VSTMDBEQ', maybe wrong target CPU?
    RTOS\HAL_CM4.c(140): error: A1854E: Unknown opcode 'VLDMIANE', maybe wrong target CPU?…

  • STM32 EEPROM Emulation conversion to Keil

    Hi All

    Before I start, a quick note as to why I am trying to do this - I have tried using the standard STM libs and definitions, but found them to be not as well written and easy to follow as the ones supplied by Keil, the same applies to the examples…

  • STM32, RTX and CAN Filter Message Index

    Hi,

    I'm designing an application receiving different configurable CAN frames. So I use the CAN_rx_object function to define them into the CAN filters.

    CAN_rx_object (U32 ctrl, U32 ch, U32 id, U32 object_para)
    

    I believed that every time I receive…

  • function "usbh_msc_status()" can't check the connected usb hardware .

    int main(void)
    { -----. . .

    -----retv = finit ("U:");

    -----while(1)

    -----{

    ----------retv = usbh_engine(0);

    ----------con = usbh_msc_status(0,0);

    ----------if(con==1)

    ----------{

    ---------------. . .

    ----------}

    -----}

  • RL-FlashFS - File overwrite?

    Hello,

    I'm wondering if it's possible, and if so if someone has an example, to overwrite a portion of a file using the RL-FlashFS library.

    Basically I have a working setup and I have a small file system on NOR flash. I have a fixed size file…

  • LCD_demo.axf: Error: L6218E: Undefined symbol GPIO_Init (referred from glcd.o).

    I have the STM32F4 standard Peripheral Library folder provided by STM on the include path. Everything compiles fine but i get the following linker error

    Build target 'LCD_Demo'
    compiling GLCD.cpp...
    compiling main.cpp...
    compiling system_stm32f4xx…

  • Missing string descriptors with lsusb?

    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…

  • Printf problem in Keil

    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…

  • socket functions

    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…

  • Ping failure by the change of 10M to 100Mbps

    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…

  • about Keil MDK "step-out" in debug mode

    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 ------------…

  • Error L6218E when switching to C++

    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…

  • LPC2364 CAN 2 operation mode problem

    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…

  • ERRORS IN RTOS

    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…

  • hh

    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…

  • Problem with user commands

    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…

  • Uvision Linker ERROR

    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:…

  • LPC 2148 timer o interrupt working once

    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

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

  • Keil and error 256

    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;…

  • LCD Controller S1D13781 Interfacing with LPC2148 ARM7

    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…

  • uVision 4.03 Linker Error

    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…

  • Assembling error

    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]
         …

  • TCPNet PPP sometimes fails

    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…

  • Strange not enough ROM area message

    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…