Receive Data from COM port
txt, nbytes, timeo = cpo:rx( [ms], [max], [ms_last] )
Wait for and receive data.
| Parameter | Description |
|---|---|
ms |
initial time to wait for the first bytes |
max |
maximum number of bytes |
ms_last |
time to wait for subsequent bytes |
ms_last is not included, then ms is used throughout.ms = 0 then there is no waiting - it returns what's currently in the FIFO| Returns | Description |
|---|---|
txt |
The text string |
nbytes |
The number of bytes received |
timeo |
true if a timeout occurred before max was received |