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Top Forums Programming [ERROR:Resource temporarily unavailable!] Serial writing by termios library Post 302720273 by Corona688 on Tuesday 23rd of October 2012 04:59:41 PM
Old 10-23-2012
I still suspect there's something wrong with how you're using the port.

I wrote an example program to use termios in Linux, see tcgets.c and tcgets.h
 

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HCSERIALD(8)						    BSD System Manager's Manual 					      HCSERIALD(8)

NAME
hcseriald -- supervise serial Bluetooth devices SYNOPSIS
hcseriald [-dh] -f device -n node_name [-s speed] DESCRIPTION
The hcseriald utility handles serial Bluetooth devices. It does one simple thing: it opens the specified serial device, sets the device parameters, and pushes the H4 line discipline. The options are as follows: -d Do not disassociate from the controlling terminal, i.e., run in foreground. -f device Callout device name. Example: -f /dev/cuau0. -h Display usage message and exit. -n node_name Set H4 Netgraph node name. Example: -n sio0. -s speed Set serial device speed to speed. Example: -s 115200. FILES
/var/run/hcserial.*.pid Process ID of the currently running hcseriald daemon. Where * is an H4 Netgraph node name. SEE ALSO
ng_h4(4), ng_hci(4), tty(4), hccontrol(8) AUTHORS
Maksim Yevmenkin <m_evmenkin@yahoo.com> BSD
June 14, 2002 BSD
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