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I am using uVision 5.11.1.0 with projects based on LPCOpen examples. My application uses C++ and C routines.
I have managed to send printf() output to UART using by implementing fputc(). I now want to direct file access to different devices. I have followed: www.keil.com/.../armlib_chr1358938932518.htm and have added _sys_open() etc but on linking get many Error L6200E _sys_write multiply defined.
Ticking project options Code Generation 'Use MicroLIB' allows a successful build but my functions are not included (cannot set a break point).
I am new to uVision and could not find where the stdio_streams.o etc files get pulled in. There is nothing under options Linker AFAIK. The redirecting advice is not clear. An example would be helpful!