SERIAL_SetControlLines
This function is used to modify the control lines (DTR/RTS).
Synopsis
int SERIAL_SetControlLines( int port,
unsigned char bitmap,
int op);
Parameters
Parameter |
Description |
---|---|
port
|
Serial port number (0 based). Specify port 0 to redirect the output to the hsmtrace log. |
bitmap
|
Bitmap of control lines to be modified. Input control lines are silently ignored. |
op
|
One of MCL_OP_SET/MCL_OP_CLEAR to set/clear the control lines specified in the bitmap parameter |
Return Code
0: The function succeeded
-1: The function failed
Comments
The same constants used in SERIAL_GetControlLines() function are also used in this function.