• Debug Fprintf
    Hello, Can someone tell we if it is possible to debug standard library functions like fprinf in keil compiler?, and how to do this? I think the source is needed, is it present? Kasper
  • Fprintf issues
    I am having difficulty sending commands to the UART using fprintf. I am able to send 4 commands without difficulty. However, when I try to send the fifth command, fprintf returns a -1. Any other commands...
  • Printf / Fprintf
    Hello, What happens when i call: (Keil compiler) Printf fprintf(stdout...) fprintf(stderr...) Which functions are called for the low level write?? putc / _sys_write ??? What are the...
  • printf fprintf minib
    Hello, I am using STM32F407 Discovery, and would like to send data to the computer without the USART cable (I am only using USB-MiniB cable). So to view the voltage read by the ADC (of STM32F4) I...
  • Retargeting: Return error from _sys_read()
    Dear all, The below implementation of _sys_read() returns an error code (a negative number, e.g. -7) if the underlaying file system functions indicates an error. The caller of _sys_read() (the C...