• unable to use _sys_open()
    Hi, I am working on LPC2300 EVB. My requirement is to read data from a file and process it in the program. As we cannot use FILE I/O functions like fopen(), fclose() directly in IDE (Keil uVision4...
  • C retarget file I/O
    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...
  • ANOTHER retarget issue
    Hi All, I've been working my way through all the retarget.c threads on here today, trying to resolve the old Symbol __stdout multiply defined (by stdio_streams.o and retarget.o) Symbol __stding...
  • Retargeting printf(), by writing custom fputc()
    Hello! I have been reading on how to retarget printf() so I can direct it to my USART Tx. I have never done retargeting before (not even on other platforms) so this is new to me. Eventually I...
  • C Library I/O retargeting
    Hello, I'm having an issue with re-targeting the C library. I'm using RL-Flash + RL-TCP + RTX. I have (want) my printf etc (stdin, stdout stderr) erdirected to a UART. While reading the...