SERIAL_SetControlLines
Modifies the control lines (DTR/RTS).
Synopsis
#include <serial.h>
int SERIAL_SetControlLines( int port,
unsigned char bitmap,
int op);
Parameters
port |
Serial port number (0 based). Specify port 0 to redirect the output to the HSM trace log |
bitmap |
Bitmap of control lines to be modified . Input control lines are silently ignored |
op |
One of MCL_OP_SET/MCL_OP_CLEAR control lines specified in the bitmap parameter |
Return Code
0 |
The function was successful. |
-1 |
The function failed. |
Comments
#define MCL_DSR 0x01
#define MCL_DTR 0x02
#define MCL_RTS 0x04
#define MCL_CTS 0x08
#define MCL_DCD 0x10
#define MCL_RI 0x20
#define MCL_OP_SET 1
#define MCL_OP_CLEAR 2