• 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...
  • os_mut_wait in low level functions
    An experienced programmer told me we should not use os_mut_wait in the bottom of a function call tree, e.g: function A() call B(), B() call C(), C call D(), D() is about sending bytes through UART...
  • Retarget _sys_open and disable file buffering
    I use the FlashFS and therefore, I have a Retarget.c, in which the most _sys_ functions are programmed to wrap the stdio functions to the flash-fs library. I like to create a virtual file, for which...
  • 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...