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Zephyr project on STM32

   Zephyr Workbench, a VSCode extension to manage Zephyr on STM32.
It enables users to easily create, develop, and debug Zephyr applications.
Main features:
  • Install host dependencies.
  • Import toolchain and SDK.
  • Create, configure, build and manage apps.
  • Debug STM32.
You can directly download it from the VSCode marketplace
For more details, visit the Zephyr Workbench

System Workbench for STM32

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static library link error with STM32L4

Posted by sachingole on 2017-10-17 11:56

static library is added in project folder with path STM32_display/Lib/libSTM32display.0.0_CM4_GCC.a

Same path is updated under “Properties->C/C++ General->Paths and Symbols->Libraries” and “Properties->C/C++ General->Paths and Symbols->Library Path”

__Ac6/SystemWorkbench/plugins/fr.ac6.mcu.externaltools.arm-none.linux64_1.15.0.201708311556/tools/compiler/bin/../lib/gcc/arm-none-eabi/6.3.1/../../../../arm-none-eabi/bin/ld: cannot find -l/home/sachin/workspace/UnitTest/STM32_display/Lib/libSTM32display.0.0_CM4_GCC.a
collect2: error: ld returned 1 exit status
make: *** UnitTest.elf Error 1
makefile:37: recipe for target ‘UnitTest.elf’ failed__

Please help if anything is not appropriate to link static library.

Reads: 9388
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Posted by tang on 2017-10-17 12:10

Hi,

With GCC in Eclipse, to link a static library :
In “Properties->C/C++ General->Paths and Symbols->Library Path”, add “Lib/”
In “Properties->C/C++ General->Paths and Symbols->Libraries”, add “STM32display.0.0_CM4_GCC” (the “lib” prefix and the extension are not required)

Hope it works,
Kevin.

Link

Posted by sachingole on 2017-10-17 12:45

Thanks for information. Now it is giving error for “uses VFP register arguments, ” any suggestion

16:09:07 **** Incremental Build of configuration Debug for project UnitTest ****
make all
Building target: UnitTest.elf
Invoking: MCU GCC Linker
arm-none-eabi-gcc -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 -L”/home/sachin/workspace/UnitTest/STM32_display/Lib” -T”/home/sachin/workspace/UnitTest/LinkerScript.ld” -Wl,-Map=output.map -Wl,--gc-sections -o “UnitTest.elf” @”objects.list” -lSTM32displayV3.0.0_CM4_GCC -lSTM32displayV3.0.0_CM4_GCC_ot -lm
/home/sachin/Ac6/SystemWorkbench/plugins/fr.ac6.mcu.externaltools.arm-none.linux64_1.15.0.201708311556/tools/compiler/bin/../lib/gcc/arm-none-eabi/6.3.1/../../../../arm-none-eabi/bin/ld: error: UnitTest.elf uses VFP register arguments, /home/sachin/workspace/UnitTest/STM32_display/Lib/libSTM32displayV3.0.0_CM4_GCC.a(display.o) does not
/home/sachin/Ac6/SystemWorkbench/plugins/fr.ac6.mcu.externaltools.arm-none.linux64_1.15.0.201708311556/tools/compiler/bin/../lib/gcc/arm-none-eabi/6.3.1/../../../../arm-none-eabi/bin/ld: failed to merge target specific data of file /home/sachin/workspace/UnitTest/STM32_display/Lib/libSTM32displayV3.0.0_CM4_GCC.a(display.o)
collect2: error: ld returned 1 exit status
make: *** UnitTest.elf Error 1
makefile:37: recipe for target ‘UnitTest.elf’ failed

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