Function vexSerialWriteChar

#[no_mangle]
pub unsafe extern "C" fn vexSerialWriteChar(
    channel: u32,
    c: u8,
) -> i32

Writes a single byte to the serial FIFO output buffer.

Arguments

• channel: The serial communications channel to write to. Use 1 for stdio.
• c: The byte to write.

Return

The number of bytes written, or -1 if an internal error occurred.

Safety

Calls to jumptable functions are unsafe because jumptable functions are owned by VEXos and we cannot guarantee their safety.