bool FtdiDevices::getModemStatus() {
FT_STATUS ftStatus;
ULONG Status;
ftStatus = FT_GetModemStatus(m_ftHandleA, &Status);
if (!FT_SUCCESS(ftStatus)) {
return false;
}
return true;
}
extern "C" void InitPort (void)
{
if (ParPort == -1)
{
DWORD modemWord = 0;
usb_timeout_error = FALSE;
ftStatus = FT_GetModemStatus (ftHandleB, &modemWord);
if (ftStatus != FT_OK)
{
MessageBox(topHWnd, "USB Error: Get Power Status Failed!", "InitPort", MB_OK | MB_ICONERROR);
return;
}
if (modemWord & 0x80)
MessageBox(topHWnd, "USB CopyNES is OFF - turn on then hit OK", "InitPort", MB_OK | MB_ICONERROR);
// flush receive/transmit buffers
ftStatus = FT_Purge (ftHandleA, FT_PURGE_RX | FT_PURGE_TX);
if (ftStatus != FT_OK)
{
MessageBox(topHWnd, "USB Error: Purge A Failed!", "InitPort", MB_OK | MB_ICONERROR);
return;
}
ftStatus = FT_Purge (ftHandleB, FT_PURGE_RX | FT_PURGE_TX);
if (ftStatus != FT_OK)
{
MessageBox(topHWnd, "USB Error: Purge B Failed!", "InitPort", MB_OK | MB_ICONERROR);
return;
}
connection_initialized = TRUE;
}
else
{
if ((prECP() & 0x03) == 0x01)
{
pwECP(0x34);
if (prECP() == 0x35)
pwECP((prECP() & 0x1F) | 0x20); // try to set ECP port to bidirectional mode
}
shadow |= 0x40; // pull ACK line high - this way, printers won't listen to us
pwControl(shadow);
c = prStatus();
connection_initialized = TRUE;
}
}
