Posted on November 18, 2013 at 13:13 Hello everybody!
I try the Fat_FS library at my STM32F4Discovery board. I try the embest example project for this. I create the project at CoIDE add the files, the compile is done but the linker is put errors:
[cc] arm-none-eabi-gcc -mcpu=cortex-m4 -mthumb -g -nostartfiles -Wl,-Map=Fatfs.map -O0 -LC:\CooCox\CoIDE\configuration\ProgramData\Fatfs -Wl,-TC:\CooCox\CoIDE\configuration\ProgramData\Fatfs/arm-gcc-link.ld -g -o Fatfs.elf ..\obj\stm32f4xx_syscfg.o ..\obj\stm32f4xx_sdio.o ..\obj\stm32f4xx_usart.o ..\obj\stm32f4_discovery_sdio_sd.o ..\obj\diskio.o ..\obj\startup_stm32f4xx.o ..\obj\stm32f4_discovery.o ..\obj\main.o ..\obj\stm32f4xx_rcc.o ..\obj\stm32f4xx_it.o ..\obj\stm32f4xx_gpio.o ..\obj\system_stm32f4xx.o ..\obj\stm32f4xx_dma.o ..\obj\ff.o ..\obj\stm32f4xx_exti.o ..\obj\misc.o ..\obj\stm32f4_discovery_debug.o -lm -lgcc -lc
[cc] c:/program files (x86)/gnu tools arm embedded/4.7 2012q4/bin/../lib/gcc/arm-none-eabi/4.7.3/../../../../arm-none-eabi/lib/armv7e-m\libc.a(lib_a-sbrkr.o): In function `_sbrk_r':
[cc] sbrkr.c:(.text._sbrk_r+0xc): undefined reference to `_sbrk'
[cc] c:/program files (x86)/gnu tools arm embedded/4.7 2012q4/bin/../lib/gcc/arm-none-eabi/4.7.3/../../../../arm-none-eabi/lib/armv7e-m\libc.a(lib_a-writer.o): In function `_write_r':
[cc] writer.c:(.text._write_r+0x10): undefined reference to `_write'
[cc] c:/program files (x86)/gnu tools arm embedded/4.7 2012q4/bin/../lib/gcc/arm-none-eabi/4.7.3/../../../../arm-none-eabi/lib/armv7e-m\libc.a(lib_a-closer.o): In function `_close_r':
[cc] closer.c:(.text._close_r+0xc): undefined reference to `_close'
[cc] c:/program files (x86)/gnu tools arm embedded/4.7 2012q4/bin/../lib/gcc/arm-none-eabi/4.7.3/../../../../arm-none-eabi/lib/armv7e-m\libc.a(lib_a-fstatr.o): In function `_fstat_r':
[cc] fstatr.c:(.text._fstat_r+0xe): undefined reference to `_fstat'
[cc] c:/program files (x86)/gnu tools arm embedded/4.7 2012q4/bin/../lib/gcc/arm-none-eabi/4.7.3/../../../../arm-none-eabi/lib/armv7e-m\libc.a(lib_a-isattyr.o): In function `_isatty_r':
[cc] isattyr.c:(.text._isatty_r+0xc): undefined reference to `_isatty'
[cc] c:/program files (x86)/gnu tools arm embedded/4.7 2012q4/bin/../lib/gcc/arm-none-eabi/4.7.3/../../../../arm-none-eabi/lib/armv7e-m\libc.a(lib_a-lseekr.o): In function `_lseek_r':
[cc] lseekr.c:(.text._lseek_r+0x10): undefined reference to `_lseek'
[cc] c:/program files (x86)/gnu tools arm embedded/4.7 2012q4/bin/../lib/gcc/arm-none-eabi/4.7.3/../../../../arm-none-eabi/lib/armv7e-m\libc.a(lib_a-readr.o): In function `_read_r':
[cc] readr.c:(.text._read_r+0x10): undefined reference to `_read
[cc] '
[cc] collect2.exe: error: ld returned 1 exit status
I configure the linker options but always do this. What the problem?
#stm32f4 #fatfs #coide
