• customization of putchar function
    I have made the new function putchar for redirect the output to LCD already. But by default, I also want to use this as output to serial port on the same program. I do not understand how to use both...
  • Linking putchar from a custom library
    Hi, I try to create a library (.lib) file and i have wrote my custom versions of putchar and _getkey functions in it. Debugging the library project as executable the linker links my putchar and _getkey...
  • Redefining putchar ()
    Hello All, I'm using a Keil eval Cortex-M3 eval board and using uVision v4.23, and trying to redirect printf output so stdout displays on the lovely LCD display instead to the serial port. I have...
  • Using putchar
    I am testing simple 8051 program that polls for a character from serial port and output it out to the serial port again. In the main function, I do the following continously u8_t xdata c; while...
  • regarding putchar
    putchar work when continuous debugging and show output on serial window, but when u debug step by step ,after executing putchar it not show output on serial window, how i overcome this problem