Synopsis #

Header: fxcg/serial.h
Syscall index: 0x1BBA
Function signature: int Serial_Read(unsigned char *out, int sz, short *count)

Reads bytes from the serial receive buffer.

Parameters #

• out - Buffer to write received data to.
• sz - Maximum number of bytes to read.
• count - Output parameter receiving the number of bytes actually read.

Returns #

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

If successful, the actual number of bytes read is returned in count.

Comments #

The receive buffer can hold up to 1024 bytes. Its behavior on overflow is unknown.

Originally documented as Serial_ReadNBytes.