Synopsis #

Header: fxcg/serial.h
Syscall index: 0x1BB9
Function signature: int Serial_ReadSingle(unsigned char* out)

Fetches a single byte from the serial input buffer.

Parameters #

• out - Pointer to unsigned char that will receive the fetched byte.

Returns #

• 0 if successful,
• 1 if the receive buffer is empty,
• 3 if the serial channel is not open.