COM(n)
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The COM(n) statement is used in an OPEN COM statement to open "COM1" or "COM2", it can also be used to enable/disable/stop event trapping of the serial port or to setup the event handler using ON COM (n).
Syntax: OPEN "COM1:" + options$ FOR mode AS #1
Syntax 2: COM(n) {ON|OFF|STOP}
Syntax 3: ON COM(n) GOSUB {linenumber|label}
Description:
- COM is used as part of the OPEN string parameter.
- COM number with a colon is used in the OPEN COM statement in quotation marks or a STRING variable.
- Other parameters such as the baud rate(speed) are also required in the string parameter.
- COM(n) ON, OFF or STOP can be used to enable, disable or temporarily stop event trapping respectively.
Example: OPEN "COM1: 9600, N, 8, 1," FOR RANDOM AS #1 LEN = 2048 ' random can transmit and receive data
See also: