Rivendellaudio/ripcd/sas16000.cpp
Fred Gleason 7adb14adfc 2020-02-16 Fred Gleason <fredg@paravelsystems.com>
* Cleaned up the device access mode in the SAS 16000 switcher
	driver.
2020-02-16 14:05:47 -05:00

138 lines
2.9 KiB
C++

// sas16000.cpp
//
// A Rivendell switcher driver for the SAS USI Protocol (2 digit)
//
// (C) Copyright 2002-2020 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#include <stdlib.h>
#include <syslog.h>
#include <rdapplication.h>
#include <rddb.h>
#include "globals.h"
#include "sas16000.h"
Sas16000::Sas16000(RDMatrix *matrix,QObject *parent)
: Switcher(matrix,parent)
{
RDTty *tty;
sas_matrix=matrix->matrix();
sas_ptr=0;
//
// Get Matrix Parameters
//
sas_inputs=matrix->inputs();
sas_outputs=matrix->outputs();
sas_gpis=matrix->gpis();
sas_gpos=matrix->gpos();
//
// Initialize the connection
//
tty=new RDTty(rda->station()->name(),matrix->port(RDMatrix::Primary));
sas_device=new RDTTYDevice();
if(tty->active()) {
sas_device->setName(tty->port());
sas_device->setSpeed(tty->baudRate());
sas_device->setWordLength(tty->dataBits());
sas_device->setParity(tty->parity());
sas_device->open(QIODevice::Unbuffered|QIODevice::WriteOnly);
}
delete tty;
}
RDMatrix::Type Sas16000::type()
{
return RDMatrix::Sas16000;
}
unsigned Sas16000::gpiQuantity()
{
return sas_gpis;
}
unsigned Sas16000::gpoQuantity()
{
return sas_gpos;
}
bool Sas16000::primaryTtyActive()
{
return true;
}
bool Sas16000::secondaryTtyActive()
{
return false;
}
void Sas16000::processCommand(RDMacro *cmd)
{
char str[256];
switch(cmd->command()) {
case RDMacro::ST:
if((cmd->arg(1).toInt()<0)||(cmd->arg(1).toInt()>sas_inputs)||
(cmd->arg(2).toInt()<1)||(cmd->arg(2).toInt()>sas_outputs)) {
cmd->acknowledge(false);
emit rmlEcho(cmd);
return;
}
snprintf(str,256,"%c%02d%02d\x0D\x0A",20,
cmd->arg(1).toInt(),cmd->arg(2).toInt());
SendCommand(str);
cmd->acknowledge(true);
emit rmlEcho(cmd);
break;
default:
cmd->acknowledge(false);
emit rmlEcho(cmd);
break;
}
}
void Sas16000::SendCommand(char *str)
{
rda->syslog(LOG_DEBUG,"sending USI cmd: %s",
PrettifyCommand(str).toUtf8().constData());
sas_device->write(str,strlen(str));
}
QString Sas16000::PrettifyCommand(const char *cmd) const
{
QString ret;
if(cmd[0]<26) {
ret=QString().sprintf("^%c%s",'@'+cmd[0],cmd+1);
}
else {
ret=cmd;
}
return ret;
}