jvs:cigal:manual:chapter4:com1
CIGAL Reference Manual, Chapter 4 (com1):
Com1 -- Integer variable controlling first serial I/O port
usage: Com1 = value
COM1 and COM2 are integer variables controlling the operation of the two asynchronous serial input/output ports on Macintosh or IBM type computers. Changing the value of COM1 or COM2 results in an immediate change in the operating parameters of the associated port.
The bit-fields in the COM1 variable are as follows:
dcXxbbbbppsww Select: Field: Bits: Value: Meaning: DOS MAC WIN Word length ww 0-1 0 5 bits x x 1 6 bits x x 2 7 bits x x x 3 8 bits x x x Stop bits s 2 0 1 stop bit x x x 1 2 stop bits x x x Parity select pp 3-4 0 No parity x x x 1 Odd parity x x x 2 Mark parity x 3 Even parity x x Baud rate bbbb 5-8 0 110 baud x x 1 300 baud x x x 2 600 baud x x x 3 1200 baud x x x 4 2400 baud x x x 5 4800 baud x x x 6 9600 baud x x x 7 14400 baud x 8 19200 baud x x 9 38400 baud x x 10 56000 baud x x 11 57600 baud x x 12 115200 baud x x 13 128000 baud x x 14 256000 baud x x 15 Xon/Xoff x 9 1 Output control x x X 10 1 Input control x Clear to Send c 11 1 CTS handshaking x DataTerminalReady d 12 1 DTR input control x
See Also:
CIGAL Home,
CIGAL Manual,
CIGAL data variables,
Manual Help
jvs/cigal/manual/chapter4/com1.txt · Last modified: 2024/06/21 15:44 by 127.0.0.1