TTY

API for emulated serial teriminals.

Functions

int metal_tty_putc(int c)

Write a character to the default output device.

Write a character to the default output device, which for most targets is the UART serial port.

Return

0 on success, or -1 on failure.

Parameters

• c: The character to write to the terminal

int metal_tty_getc(int *c)

Get a byte from the default output device.

The default output device, is typically the UART serial port.

This call is non-blocking, if nothing is ready c==-1 if something is ready, then c=[0x00 to 0xff] byte value.

Return

0 on success, or -1 on failure.