• how to use loops in TIM_IRQHANDLER?

    Pavan B
    Pavan B

    I want to design a variable width PWM waveform using IRQ, but I am unable to use loops in TIM_IRQHANDLERS. below is the code i am using in TIM_IRQHANDLER

    void TIM2_IRQHandler(void)
    { volatile float i; volatile int x;
    if(HAL_GPIO_ReadPin(GPIOB,GPIO_PIN_3…

    • over 3 years ago
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  • uCOSII PORTING ERRORS

    Sheetal s
    Sheetal s

    my_pro\my_pro.axf: Error: L6218E: Undefined symbol OS_CPU_SR_Restore (referred from os_core.o).
    my_pro\my_pro.axf: Error: L6218E: Undefined symbol OS_CPU_SR_Save (referred from os_core.o).
    my_pro\my_pro.axf: Error: L6218E: Undefined symbol OSTaskReturnHook…

    • over 3 years ago
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  • inclues with uvision

    obdgenie obdgenie
    obdgenie obdgenie

    I wanted to use uvision with the examples from stm32cube. I saw the mdk project file and loaded that in to uvision. The group Drivers/STM32F2xx_HAL_Driver pointed to a few missing files. I found these files and fixed that. I think the real problem is…

    • over 3 years ago
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  • unexpected code

    lee dh
    lee dh

    There is simple code

        usRDelay(17);
        Comm_LineOut_Port=SendData.B.Bit02;
        usRDelay(17);
        Comm_LineOut_Port=SendData.B.Bit01;
        usRDelay(17);
        Comm_LineOut_Port=SendData.B.Bit00;
        usRDelay(17);
        Comm_LineOut_Port=1;
    

    I compiled…

    • over 3 years ago
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  • MCB1700 and LCD

    Mateus Paduan
    Mateus Paduan

    I'm having trouble for creating a driver for a C-51505NFJ-SLW-AIN LCD display.

    Here's my code:

    #include<lpc17xx.h>
    #include "Board_LED.h"

    /* Configure the data bus and Control bus as per the hardware connection */
    #define…

    • over 4 years ago
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  • Error L6200E

    neel semwal
    neel semwal

    Hey there !
    I had been trying to write a code for mmc interface with stm32f103c8 and i'm getting some error.

    .\Objects\main.axf: Error: L6200E: Symbol disk_initialize multiply defined (by code.o and sd_spi_stm32.o).
    .\Objects\main.axf: Error: L6200E…

    • over 3 years ago
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  • S32K144 Undefined symbol refered from startup.o

    Ravi Ranjan Kumar
    Ravi Ranjan Kumar

    Hi all, I created NXP S32k144 new project in Keil, I added startup files also and packs are also updated then also i am getting these error.

    Please help.

    Thanks and Regard.
    Ravi Ranjan

    .\Objects\S32K144_BSP.axf: Error: L6218E: Undefined symbol…

    • over 3 years ago
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  • Undefined symbol error , L6218E

    William Yung
    William Yung

    *** Using Compiler 'V5.06 update 5 (build 528)', folder: 'C:\Keil_v5\ARM\ARMCC\Bin'
    Build target 'Target 1'
    linking...
    .\Objects\Auto Chef 20170601.axf: Error: L6218E: Undefined symbol DealRec (referred from main.o).
    .\Objects…

    • over 3 years ago
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  • Declaring variables in external memory space

    wmjbrown
    wmjbrown

    I am using an LPC2468 processor with external SDRAM starting at address 0xA000000 in addition to the the processors built in RAM. I need to define variables in both address spaces.

    My predecessor used type name __at (0xA???????) to do this.
    Some of…

    • over 4 years ago
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  • SQLITE Porting on FreeRTOS with STM32

    Nitin Bhosale
    Nitin Bhosale

    Hi

    I am trying to port sqlite3 VFS implementation on freertos with stm32. I have created an amalgamation with sqlite3 version 3.12 base code.

    When I run the below code it runs to create a database and a query "create a table cars". But when query…

    • over 4 years ago
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  • basic compiler question

    marK Bernard's
    marK Bernard's

    Sorry just trying to set up the Keil system to run a simple starter program with an STM32F051. Used STM32Cube to get the code set up, ported over to the Keil uVision tool. When I go to compile I get the following. It doesn't seem to find the path but…

    • over 4 years ago
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  • Problem with linking : undefined symbols

    Flavien CASSAGNE
    Flavien CASSAGNE

    Hi all,

    I make my first steps on STM32F4-discovery. I want to create my own base project with Keil µVision V5 13.0.0

    I created a blank project with some includes but when i want to compile i have these errors :

    linking...
    .\Objects\First_project…

    • over 5 years ago
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  • fromelf gives error

    yash8421
    yash8421

    Hello,

    When I try to use fromelf it gives me error Q9511E : Product definations file not found. Any ideas ? using Keil uVision 5.15.
    Using: fromelf --bin --output=AccessoryProcessor.bin AccessoryProcessor.axf

    Thanks

    Yash

    • over 4 years ago
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  • Error exporting project from MBED to uV

    T_j
    T_j

    Sorry guys, I am just starting out on this IDE when MBED struggled to run Ticker and Uart together :(

    after the export, the build shows this error :
    .\build\Nucleo_printf3.axf: error: L6002U: Could not open file mbed/TARGET_NUCLEO_F072RB/TOOLCHAIN_ARM_MICRO…

    • over 5 years ago
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  • Debugging ELF file built with MAKE utility

    Adam Koz
    Adam Koz

    Hi,
    I'm working on a project that uses RIOT-OS: www.github.com/.../wiki . I built one example on Windows-os as it is described here: www.github.com/.../Build-RIOT-on-Windows-OS . After that I'm trying to set up uVision project so that I could debug…

    • over 4 years ago
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  • Sqlite:create table success but insert fails

    Nitin Bhosale
    Nitin Bhosale

    Hi

    I am trying to port sqlite3 VFS implementation on freertos with stm32. I have created an amalgamation with sqlite3 version 3.12 base code.

    When I run the below code it runs to create a database and a query "create a table cars". But when query…

    • over 4 years ago
    • Software Tools
    • Keil forum
  • Adding MDK Network Component causes Linker errors

    Jan B
    Jan B

    LPC1788 project (512K Flash)

    I did some testing on the KEIL MDKARM network components. Only TCP and UDP Sockets were used, no other services required. A small 40K project was tested on the embedded artist lpc1788 eval board. Once I was happy with the…

    • over 4 years ago
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  • Linking errors

    BADER SAF
    BADER SAF

    Hi,

    I'm getting linking errors while building the application that I couldn't figure out the cause.

    I created a function x(&y, &z); which all the code in it is commented.

    from my main(), whenever I call this function I get this…

    • over 5 years ago
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  • Error: L6218E with Smt32 nucleo L476RG and nucleo NFC2

    kaya rael
    kaya rael

    Hello,

    I am a beginner with Keil and microcontroller.
    For a project i want to use STM32 nucleo L476RG with STM32 NFC2 module.
    My problem comes of made that I do not simply manage to run the cube nfc2 with the cube of the nucleo L476RG.
    I have to observe…

    • over 4 years ago
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  • MIXING C & ASSEMBLY CODE in keil IDE

    LAKSHMANAN KUMAR RANGARAJ
    LAKSHMANAN KUMAR RANGARAJ

    Dear ARM,
    I am using Nordic nrf51 chip for development in Keil IDE Whats wrong with the below code. It works well in RFduino but when I try to port the same code in Keil environment.Its not working throwing error as
    1.identifier "asm is undefined…

    • over 5 years ago
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  • Error: L6218E: Undefined symbol pairing

    mariam
    mariam

    hi
    i got this error ( am using keilv4 for cortex m0 )
    .\code.axf: Error: L6218E: Undefined symbol __gmpz_clear (referred from bls.o).
    .\code.axf: Error: L6218E: Undefined symbol __gmpz_get_si (referred from bls.o).
    .\code.axf: Error: L6218E: Undefined…

    • over 4 years ago
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  • Using external ram for RW

    shrikant shinde
    shrikant shinde

    Hello Sir,

    I am using LPC2214 on which external ram is configured. In my program i have used internal ram(16K) for only .data section and used external ram (128K)for the .bss section. I am not able to configure the startup.s. I am getting warnings…

    • over 5 years ago
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  • STLink -No ULink Device Found

    T_j
    T_j

    I have sucessfully installed run programmed a Nucleo board with MBed on my XP box, but now the STM32F072-Eval board within uVision cannot find the ULINK Device.

    I checked the FAQs, but cannot get past this issue :(

    • over 5 years ago
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  • Where is an example of TTL serial port and/or USB Virtual Port ?

    T_j
    T_j

    Can someone point me to a UART example and a USB virtual comm port example please ?

    • over 5 years ago
    • Software Tools
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  • STM32F072 Configuration Wizard

    T_j
    T_j

    Does anyone have a configuration wizard for STM32F072 ?
    I am struggling with my first project with MDK-ARM :(

    • over 5 years ago
    • Software Tools
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