Cuart::BIT_TYPE Cuart::sendBit(void)
{
if (oldstate_in == 0) oldstate_in = pTIMER->state;
BYTE data = 0;
int deltastate = 0;
Sii_LfWait = 100;
Sii_wait = TICKS_BDS;
if (! Sii_TransferStarted) return Bit_0;
// If there are new data in baInput
if (outputBuffer.size())
{
deltastate = pTIMER->state - oldstate_in;
if (deltastate < Sii_wait) return(currentBit);
// oldstate_in = pTIMER->state;
oldstate_in += deltastate;
data = outputBuffer.at(0);
data = (data == 0x0A ? 0x0D : data);
currentBit = byteToBit(data);
switch (currentBit)
{
case Bit_Start: currentBit = Bit_1;
Sii_wait = TICKS_BDS;
return(currentBit); // START BIT
case Bit_0:
case Bit_1: AddLog(LOG_SIO,tr("Envoie bit = %1").arg(currentBit==Bit_1?1:0));
Sii_wait = TICKS_BDS;
return(currentBit); // DATA BIT
case Bit_Stop: currentBit = Bit_0;
Sii_wait = TICKS_BDS;
if (data == 0x0D)
{
Sii_wait=Sii_LfWait*pTIMER->pPC->getfrequency()/1000;
AddLog(LOG_SIO,tr("LF found, wait %1 ms").arg(Sii_LfWait));
}
outputBuffer.remove(0,1); // Next Char
return(currentBit);
}
}
if (
Sii_TransferStarted &&
(outputBuffer.size() == 0) )
{
Sii_startbitsent = false;
Sii_stopbitsent = true;
Sii_TransferStarted = false;
Set_CD(0);
AddLog(LOG_SIO,tr("END TRANSMISSION"));
}
return(Bit_0);
}
// Implement parity
bool Csio::transmit(void)
{
if (oldstate_in == 0) oldstate_in = pTIMER->state;
BYTE data = 0;
quint64 deltastate = 0;
Sii_LfWait = 100;
Sii_wait = TICKS_BDS;
// If there are new data in baInput
if (! Sii_TransferStarted) return 0;
//if ( Sii_ndx < baInput.size() )
if (baInput.size())
{
deltastate = pTIMER->state - oldstate_in;
if (deltastate < Sii_wait) return(currentBit);
oldstate_in = pTIMER->state;
// oldstate_in += deltastate;
data = baInput.at(0);
// Update Input proressbar
emit valueChanged((int)((Sii_ndx*100)/byteBufferSize+.5));
Refresh_Display = true;
data = (data == 0x0A ? 0x0D : data);
currentBit = byteToBit(data);
switch (currentBit)
{
case 3: currentBit = 1;
Sii_wait = TICKS_BDS;
if (mainwindow->dialoganalogic) mainwindow->dialoganalogic->setMarker(1);
return(currentBit); // START BIT
case 0:
case 1: AddLog(LOG_SIO,tr("Envoie bit = %1").arg(currentBit));
Sii_wait = TICKS_BDS;
if (mainwindow->dialoganalogic) mainwindow->dialoganalogic->setMarker(2);
return(currentBit); // DATA BIT
case 2: currentBit = 0;
Sii_wait = TICKS_BDS;
if (data == 0x0D)
{
Sii_wait+=Sii_LfWait*pTIMER->pPC->getfrequency()/1000;
AddLog(LOG_SIO,tr("LF found, wait %1 ms").arg(Sii_LfWait));
}
baInput.remove(0,1); // Next Char
Sii_ndx++;
if (mainwindow->dialoganalogic) mainwindow->dialoganalogic->setMarker(4);
return(currentBit);
}
}
if (
Sii_TransferStarted &&
(baInput.size() == 0) )
{
// End of file
// Sii_ndx = 0;
// Set_Sii_bit(0);
Sii_startbitsent = false;
Sii_stopbitsent = true;
Sii_TransferStarted = false;
Set_CD(0);
clearInput();
AddLog(LOG_SIO,tr("END TRANSMISSION"));
}
return(0);
}