Mdk Error L6218e Undefined Symbol
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Error L6218e Undefined Symbol (referred From )
List | Previous Thread Start a Thread | Settings Details Message Read-Only keil undefined symbol main AuthorMike Mosley Posted30-May-2011 09:04 GMT ToolsetARM Error: L6218E: Undefined symbol UARTStdioInit Mike Mosley Hi, I'm trying to use the
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i2c "master_slave_loopback.c" example from the Stellarisware7248 directory for the LM3S1968 and have went through the getting started excercises and other example programs and have painstakingly made sure all Linker settings etc.. error l6218e undefined symbol main etc are as described both in the Keil getting started appnote and the other LM3S1968 examples. The list of headers as they appear are: #include "inc/hw_memmap.h" #include "inc/hw_types.h" #include "inc/hw_i2c.h" #include "driverlib/i2c.h" #include "driverlib/sysctl.h" #include "driverlib/gpio.h" #include "utils/uartstdio.h" All those headers show up in the project under the master_slave_loopback.c file The following error keeps persisting. The symbol in question IS defined in the keil linker error undefined symbol properly linked header file. Can I be missing something obvious? i2c_LoopBack.axf: Error: L6218E: Undefined symbol UARTStdioInit (referred from master_slave_loopback.o) Read-Only AuthorPer Westermark Posted30-May-2011 09:31 GMT ToolsetARM RE: Error: L6218E: Undefined symbol UARTStdioInit Per Westermark Same as thread: http://www.keil.com/forum/18993/ and lots of other threads. Header files contains information for the compiler. *.axf, *.o etc are involving the linker. The linker needs object or library files when linking a project. The linker doesn't care the slightest if you tell it "there exists a function with the name UARTStdioInit". The linker wants a file that contains already compiled code for that specific function. So either UARTStdioInit() is missing because you have forgotten to add a library or an object file to your project. Or it is a function that you are expected to write your own customized version of. Read-Only AuthorAndrew Neil Posted30-May-2011 09:36 GMT ToolsetNone RE: you have forgotten to add a library or an object file to your project Andrew Neil "Or it is a function that you are expected to write your own customized version of" OR it is a function that is provided in So
30 Days In the Last 90 Days In the Last 6 Months Technical Support Overview Search Contact Assistance Request Feedback Support Resources Support Knowledgebase Article Index Top 10 Articles Product Manuals Application Notes Downloads Product Updates Discussion Forum Books Product Information Software & Hardware Products ARM Development ToolsC166 Development ToolsC51 Development ToolsC251 Development ToolsDebug AdaptersEvaluation Boards Product Brochures Newsletters Home/Technical Support RL-ARM: ERROR: L6218E: UNDEFINED SYMBOL OS_ERROR http://www.keil.com/forum/18997/error-l6218e-undefined-symbol-uartstdioinit/ Information in this knowledgebase article applies to: MDK-ARM 4.03a and Newer RL-ARM 4.05 and Newer SYMPTOM I have installed MDK-ARM v4.03a (or newer) and when I compile my existing code, which uses Keil's RTOS, it throws the following error: Error: L6218E: Undefined symbol os_error (referred from rt_task.o) When I revert my tools back to http://www.keil.com/support/docs/3501.htm the older version the error goes away. How do I use RTX with the newer tools? CAUSE As of MDK-ARM version 4.03a and RL-ARM version 4.05 the function os_stk_overflow() has been replaced by a generic error function os_error(). RESOLUTION Add the new RTX_Config.c, which is configured to handle the new function call, to the project . RTX_Config.c can be found in the Keil directory: C:\Keil\ARM\Startup. Copy this file to your project's source code directory then modify the file to match your current project's RTX_Config settings. SEE ALSO RL-ARM User's Guide: Error Function RL-ARM: TRANSITION FROM OS_STK_OVERFLOW() TO OS_ERROR() Release Notes for RL-ARM Version 4.05 Last Reviewed: Tuesday, March 23, 2010 Did this article provide the answer you needed? Yes No Not Sure Products Development Tools ARM C166 C51 C251 µVision IDE and Debugger Hardware & Collateral ULINK Debug Adaptors Evaluation Boards Product Brochures Device Database Distributors Downloads MDK-ARM C51 C166 C251 File downloads Support Knowledgebase Discus
You don't have JavaScript enabled. This tool uses JavaScript and much of it will not work correctly without it enabled. Please turn JavaScript back on and reload this page. ARM ProcessorsAll Places > ARM Processors > Discussions Please enter a title. https://community.arm.com/thread/5609 You can not post a blank message. Please type your message and try again. 1 Reply Latest reply on 07-Apr-2014 13:50 by ksnf3000 Error l6218e undefined symbol (referred from main.o) ksnf3000 07-Apr-2014 12:44 Hi All,I am getting this error while compiling the main.c file for TI Stellaris LM4F120 using Keil. I know this error is undefined symbol basically when the header files cannot be found by the compiler correctly. Please let me know where in KEIL is the option for setting the compiler and linker paths. This is a snapshot where I have tried to insert the paths but still keep getting the errors. Thanks!! BR,\Kashif 4990Views Categories: ARM Cortex-M Tags: none error l6218e undefined (add) l6218eContent tagged with l6218e This content has been marked as final. Show 1 reply Re: Error l6218e undefined symbol (referred from main.o) ksnf3000 07-Apr-2014 13:50 (in response to ksnf3000) Hi,The issue is resolved for now. It was due to the missing driver.lib file which needs to be compiled and added (for cortex-m4). However, the program is taking ages to run even in debug mode! Is this how flash programming generally works, is it actually slow?? Like Show 0 Likes(0) Actions Actions Remove from profile Feature on your profile More Like This Retrieving data ... Incoming Links Re: .\Obj\stm32_gpio.axf: Error: L6218E: Undefined symbol SPI_Init (referred from main.o). Legend Correct Answers - 10 points ProductsProcessorsMultimediaPhysical IPDevelopment ToolsSecurity on ARMSystem IPTechnologiesInternet of Things SolutionsBuying GuideSupportContact SupportSelf-Service ResourcesTrainingSupport & MaintenanceActive AssistUniversity ProgramCommunityARM Connected CommunitySocial MediaMailing List SubscriptionsRSS UpdatesMarketsInternet of Things (IoT)HomeMobileWearablesEmbeddedInfrastructureARM Educational PartnershipAboutCompany ProfileInvestorsTrademarksNewsroomEventsCareersSearch CareersCareers AccountOur CultureOur ImpactExperiencedEarly careersStudents© ARM Ltd. Copyright 1995 - 2016 | Home | Top of page | Mobile | Help |