The echo cancel feature disables the receiver while transmitting. This is mainly used in RS485 mode when the transmit and receive lines are tied together.
This is a board-wide (as opposed to port-by-port) setting on the Async-335 family of cards.
| Code |
Version |
| serialfc-windows |
2.0.0 |
| serialfc-linux |
2.0.0 |
| cserialfc |
1.0.0 |
| Card Family |
Supported |
| FSCC (16C950) |
Yes |
| Async-335 (17D15X) |
Yes |
| Async-PCIe (17V35X) |
Yes |
int serialfc_get_echo_cancel(serialfc_handle h, unsigned *status)
| Parameter |
Type |
Description |
h |
serialfc_handle |
The handle to your port |
status |
unsigned int * |
The current echo cancel value |
| Return Code |
Value |
Cause |
|
0 |
Success |
#include <serialfc.h>
...
unsigned status;
serialfc_get_echo_cancel(h, &status);
int serialfc_enable_echo_cancel(serialfc_handle h)
| Parameter |
Type |
Description |
h |
serialfc_handle |
The handle to your port |
| Return Code |
Value |
Cause |
|
0 |
Success |
#include <serialfc.h>
...
serialfc_enable_echo_cancel(h);
int serialfc_disable_echo_cancel(serialfc_handle h)
| Parameter |
Type |
Description |
h |
serialfc_handle |
The handle to your port |
| Return Code |
Value |
Cause |
|
0 |
Success |
#include <serialfc.h>
...
serialfc_disable_echo_cancel(h);