UART read() & scanf()

[lel_chen]

Hi ,

        With respect to UART functionality, what is the difference between _io_read() & _io_scanf() functions OR _io_write() & _io_printf() functions?

        Is _io_read() a blocking call?

Thanks,

Chen

[CrasyCat]

Hello

Basically I would say io_read and io_write are used to read/write a single character, where io_scanf and io_printf are used for formatted output/input.

It would help to know which processor you are targeting for a more accurate answer.

CrasyCat

[lel_chen]

Hi,

     The processor used is M52259. I would like to know which among them are blocking calls.

Thanks,

Chen

[CrasyCat]

Hello

All of them are blocking calls.

CrasyCat