Comm Open

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Header: fxcg/serial.h
Syscall index: 0x1353
Function signature: int Comm_Open(unsigned short opt)

Opens the serial or USB communication channel.


  • opt - if the result of opt & 0xF0 (bitwise AND) is 0x20, the USB communication channel is opened, otherwise Serial_Open will be called with opt as parameter, opening the serial channel.


The meaning of the return value is unknown.