STM32Cube example to eclipse+gcc based toolchains

[totti001]

Posted on March 04, 2014 at 17:51

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'

[fauvarque.daniel]

Posted on March 04, 2014 at 19:54

You can try to use the files generated for the Atollic toolchain as this toolchain uses the same

kind of compiler. Regards Daniel

[totti001]

Posted on March 04, 2014 at 20:04

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?

[Tesla DeLorean]

Posted on March 04, 2014 at 20:04

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 ?

[totti001]

Posted on March 04, 2014 at 20:11

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?

[Tesla DeLorean]

Posted on March 04, 2014 at 21:45

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 in

https://drive.google.com/file/d/0B7OY5pub_GfIc2JZMks1UzdsOTA/edit?usp=sharing

, though I've modelled things more closely with RiDE rather than Atollic

[totti001]

Posted on March 04, 2014 at 23:46

Thats ok, I have syscalls.c but in demonstration project not included. I don't no how the truestudio compile the project without this.