First parameter (1) is a valid1 and started COM Port number on host PC
| VBA Function | Description |
|---|---|
show_port_dcb(1) |
Show decoded contents of the port's Device Control Block |
show_port_errors(1) |
Show port overflow/overrun/parity/framing/break conditions |
show_port_modem(1) |
Show port modem signals DSR/CTS/RING/CD |
show_port_queues(1) |
Show port input and output data queues |
show_port_status(1) |
Show various transmission waiting conditions etc. |
show_port_timers(1) |
Show read and write timer values |
show_port_values(1) |
Show various values used by receive_com_port etc. |
- Show functions not included in No-Debug version.
- Show results are in the VBA Immediate Window (Control-G)
Footnotes
-
Valid Minimum and Maximum port numbers should be defined in declarations section at the start of the module. ↩