On Sunday, July 27, 2014 6:55:57 AM UTC-4, kthab...@gmail.com wrote: > > i use high level file io to control GPIO pins > > i wanna use like general MCU port register (use 8bit). so i'm writing > eight file functions. > but appear this compile error. > > /tmp/ccP4wrXQ.o: In function `main': > led_blink.c:(.text+0x598): undefined reference to `pin_wirte' > collect2: ld returned 1 exit status > > when i use only two 'pin_write' function, there is no error. > what's wrong is this?? > > The error message says it all. Check for typos.
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