// we try to change the state of the connection
void Printer::serial_try_connect (bool connect)
{
int result;
assert(m_model != NULL); // Need a model first
if (connect) {
void *cl = static_cast<void *>(this);
// TODO: Configurable protocol, cache size
device = rr_dev_create (RR_PROTO_FIVED,
m_model->settings.Hardware.ReceivingBufferSize,
rr_reply_fn, cl,
rr_more_fn, cl,
rr_error_fn, cl,
rr_wait_wr_fn, cl,
rr_log_fn, cl);
signal_serial_state_changed.emit (SERIAL_CONNECTING);
result = rr_dev_open (device,
m_model->settings.Hardware.PortName.c_str(),
m_model->settings.Hardware.SerialSpeed);
if(result < 0) {
signal_serial_state_changed.emit (SERIAL_DISCONNECTED);
error (_("Failed to connect to device"),
_("an error occured while connecting"));
} else {
rr_dev_reset (device);
signal_serial_state_changed.emit (SERIAL_CONNECTED);
UpdateTemperatureMonitor();
}
} else {
if (printing) {
error (_("Cannot disconnect"),
_("printer is printing"));
signal_serial_state_changed.emit (SERIAL_CONNECTED);
}
else {
signal_serial_state_changed.emit (SERIAL_DISCONNECTING);
devconn.disconnect();
if (device)
rr_dev_close (device);
devconn.disconnect();
signal_serial_state_changed.emit (SERIAL_DISCONNECTED);
Pause();
temp_timeout.disconnect();
if (device)
rr_dev_free (device);
device = NULL;
}
}
if (connect) {
UpdateTemperatureMonitor();
} else {
}
}
Printer::~Printer()
{
temp_timeout.disconnect();
Stop();
serial_try_connect(false);
if (device==NULL) return;
rr_dev_free (device);
device = NULL;
}
Printer::~Printer()
{
temp_timeout.disconnect();
Stop();
serial_try_connect(false);
#if IOCHANNEL
delete rr_serial;
#else
if (device==NULL) return;
rr_dev_free (device);
device = NULL;
#endif
}
Model::~Model()
{
rr_dev_free (m_device);
}
