STM32Cube example to eclipse+gcc based toolchains
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‎2014-03-04 8:51 AM
Hello everybody!
I try the new stm32cube examples, with CoIDE. I check the truestudio example, and make the CoIDE project same for this, but I have linker error and I dont know what is the problem. This is the stm32f4-discovery demonstration project.[cc] Starting link
[cc] arm-none-eabi-gcc -mcpu=cortex-m4 -mthumb -g -nostartfiles -Wl,-Map=cubetest.map -O0 -Wl,--gc-sections -LC:/CooCox/CoIDE/workspace/cubetest -Wl,-TC:/CooCox/CoIDE/workspace/cubetest/stm32f407vg_flash.ld -g -o cubetest.elf ..\obj\stm32f4xx_hal_spi.o ..\obj\stm32f4xx_hal_i2c.o ..\obj\stm32f4xx_hal_ltdc.o ..\obj\stm32f4xx_hal_rng.o ..\obj\stm32f4xx_hal_msp.o ..\obj\stm32f4xx_hal_iwdg.o ..\obj\stm32f4xx_hal_eth.o ..\obj\stm32f4xx_ll_fsmc.o ..\obj\stm32f4xx_hal_rtc.o ..\obj\stm32f4xx_hal_uart.o ..\obj\stm32f4xx_hal_tim.o ..\obj\usbd_hid.o ..\obj\stm32f4xx_ll_usb.o ..\obj\stm32f4xx_hal_smartcard.o ..\obj\stm32f4xx_hal_usart.o ..\obj\stm32f4_discovery.o ..\obj\usbd_core.o ..\obj\main.o ..\obj\stm32f4xx_it.o ..\obj\stm32f4xx_hal_flash.o ..\obj\stm32f4xx_hal_pwr.o ..\obj\stm32f4xx_hal_can.o ..\obj\stm32f4xx_hal_irda.o ..\obj\stm32f4xx_hal_dac.o ..\obj\lis3dsh.o ..\obj\stm32f4xx_hal_sd.o ..\obj\stm32f4xx_hal.o ..\obj\usbd_desc.o ..\obj\lis302dl.o ..\obj\usbd_conf.o ..\obj\stm32f4xx_hal_crc.o ..\obj\stm32f4xx_hal_sdram.o ..\obj\stm32f4xx_hal_dcmi.o ..\obj\stm32f4xx_hal_rcc.o ..\obj\stm32f4xx_hal_cortex.o ..\obj\stm32f4_discovery_accelerometer.o ..\obj\system_stm32f4xx.o ..\obj\stm32f4xx_hal_adc.o ..\obj\stm32f4xx_hal_i2s.o ..\obj\stm32f4xx_hal_pcd.o ..\obj\stm32f4xx_hal_cryp.o ..\obj\stm32f4xx_hal_gpio.o ..\obj\startup_stm32f407xx.o ..\obj\stm32f4xx_hal_nor.o ..\obj\stm32f4xx_hal_nand.o ..\obj\stm32f4xx_hal_pccard.o ..\obj\stm32f4xx_hal_sram.o ..\obj\stm32f4xx_hal_hcd.o ..\obj\stm32f4xx_hal_tim_ex.o ..\obj\stm32f4xx_ll_sdmmc.o ..\obj\usbd_ctlreq.o ..\obj\stm32f4xx_hal_hash.o ..\obj\stm32f4xx_hal_sai.o ..\obj\stm32f4xx_hal_dma.o ..\obj\usbd_ioreq.o ..\obj\stm32f4xx_hal_wwdg.o
[cc] c:/program files (x86)/gnu tools arm embedded/4.8 2013q4/bin/../lib/gcc/arm-none-eabi/4.8.3/../../../../arm-none-eabi/lib/armv7e-m\libg.a(lib_a-init.o): In function `__libc_init_array':
[cc] init.c:(.text.__libc_init_array+0x22): undefined reference to `_init'
[cc] c:/program files (x86)/gnu tools arm embedded/4.8 2013q4/bin/../lib/gcc/arm-none-eabi/4.8.3/../../../../arm-none-eabi/lib/armv7e-m\libg.a(lib_a-sbrkr.o): In function `_sbrk_r':
[cc] sbrkr.c:(.text._sbrk_r+0xc): undefined reference to `_sbrk'
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‎2014-03-04 10:54 AM
You can try to use the files generated for the Atollic toolchain as this toolchain uses the same
kind of compiler. Regards DanielIn order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.
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‎2014-03-04 11:04 AM
I use the attolic files. I try and the problem with startup file. I dont use startup file before, I use systeminit function at the begining of main. What is the difference of startup file use or call systeminit at the main function?
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‎2014-03-04 11:04 AM
for _sbrk() look to syscalls.c used for newlib support ?
for __libc_init_array consider if you're using C++ constructors, and if you can remove the call from startup_stm32f4xx.s ?Up vote any posts that you find helpful, it shows what's working..
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‎2014-03-04 11:11 AM
I don't see syscalls.c at the project files. Maybe the atollic add this file for the project?
Ohh so I need to modife the startup file or install g++ compiler?- Mark as New
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‎2014-03-04 12:45 PM
It's in several dozen of the projects:
STM32Cube_FW_F4_V1.1.0\Projects\STM324x9I_EVAL\Applications\Audio\Audio_playback_and_record\TrueSTUDIO\syscalls.c I've built similar support files for GNU/GCC projects where I want to support printf(), scanf(), putchar(), etc inhttps://drive.google.com/file/d/0B7OY5pub_GfIc2JZMks1UzdsOTA/edit?usp=sharing
, though I've modelled things more closely with RiDE rather than AtollicUp vote any posts that you find helpful, it shows what's working..
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‎2014-03-04 2:46 PM
Thats ok, I have syscalls.c but in demonstration project not included. I don't no how the truestudio compile the project without this.
