Programming serial port

QNX Newsgroups (Archives) qdn.public.qnxrtp.devtools
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How to desactivate DTR line after an open port ?

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Suarez <nospam@forums.openqnx.com> wrote:

How to desactivate DTR line after an open port ?

To pulse it long enough to cause a disconnect, try “tcdropline()”;
to manually control it try “devctl(DCMD_CHR_SERCTL, _CTL_DTR_CHG)”.