Set Receive Flow Control
rtsf, dtrf = cpo:rxf( [rtsf], [dtrf] )
Set and/or Get receive flow control.
| Value | Description |
|---|---|
| 0 | Manually controlled handshake line |
| 1 | Used for flow control |
When the receive FIFO buffer starts to get full, the enabled handshake lines will unassert.
Once the FIFO starts to empty again, the handshake lines will assert.