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/***************************************************************************
* Copyright (C) 2005 Lorenz M�senlechner & Matthias Kranz *
* <icd2linux@hcilab.org> *
* Copyright (C) 2005 Nicolas Hadacek <hadacek@kde.org> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
#include "icd2_usb.h"
#include "microchip.h"
#include "common/common/misc.h"
//------------------------------------------------------------------------------
const Icd2::USBPort::SequenceData Icd2::USBPort::SEQUENCE_DATA[Nb_SequenceTypes] = {
{ 0x00 }, // receive
{ 0x01 }, // send
{ 0x02 }, // connect
{ 0x00 } // poll
};
Icd2::USBPort::USBPort(uint deviceId, Log::Base &log)
: Port::USB(log, Microchip::VENDOR_ID, deviceId, 1, 0), _dataSend(false)
{}
bool Icd2::USBPort::doSequence(SequenceType type, char *data, uint size)
{
TQByteArray tx(0x12);
for (uint i=0; i<uint(tx.count()); i++) tx[i] = 0x00;
tx[0x00] = SEQUENCE_DATA[type].type;
tx[0x01] = _seqnum;
tx[0x02] = size & 0xFF;
tx[0x03] = (size >> 8) & 0xFF;
tx[0x0A] = _ctype & 0xFF;
tx[0x0B] = (_ctype >> 8) & 0xFF;
if ( !write(0x01, tx.data(), tx.size()) ) return false;
switch (type) {
case Connect: break;
case Receive:
if ( !read(0x82, data, size, 0) ) return false;
break;
case Poll:
if ( !read(0x82, data, size, &_poll) ) return false;
break;
case Send:
if ( !write(0x01, data, size) ) return false;
break;
case Nb_SequenceTypes: Q_ASSERT(false); break;
}
TQByteArray rx(0x08);
if ( !read(0x81, rx.data(), rx.size(), 0) ) return false;
//Q_ASSERT( rx[0]==tx[1] );
_seqnum++;
if ( _seqnum==0xFF ) _seqnum = 0xC0;
return true;
}
bool Icd2::USBPort::connectDevice(const TQString &mode)
{
_seqnum = 0xC1; // preset seqnum
_ctype = 0x00;
if ( !doSequence(Connect, 0, 0) ) return false;
if ( !send("Z", 1) ) return false;
TQString s;
if ( !receive(4, s) ) return false;
_ctype = 0x00;
if ( !doSequence(Connect, 0, 0) ) return false;
for (uint i=0; true; i++) {
if ( i==10 ) {
log(Log::LineType::Error, i18n("Problem connecting ICD2: please try again after unplug-replug."));
return false;
}
_ctype = 0x02;
TQByteArray a = toAscii(mode);
if ( !doSequence(Send, a.data(), a.count()) ) return false;
char c;
_ctype = 0x02;
if ( !doSequence(Receive, &c, 1) ) return false;
if ( c==mode.lower()[0] ) break;
}
return true;
}
bool Icd2::USBPort::internalReceive(uint size, char *data, uint)
{
if (_dataSend) {
//_ctype = qMin(0x65, tqRound(4.8 * size)); // timing ?? (1.6 for my ICD2)
_ctype = 0xC9;
} else _ctype = 0xC9;
bool ok = doSequence(Receive, data, size);
if (_dataSend) _dataSend = false;
return ok;
}
bool Icd2::USBPort::internalSend(const char *data, uint size, uint)
{
if (_dataSend) {
//_ctype = qMin(0x65, tqRound(4.8 * size)); // timing ?? (1.6 for my ICD2)
_ctype = 0xC9;
} else _ctype = 0xC9;
bool ok = doSequence(Send, (char *)data, size);
if (_dataSend) _dataSend = false;
return ok;
}
bool Icd2::USBPort::poll(uint size, TQString &s)
{
TQMemArray<uchar> a;
if ( !poll(size, a) ) return false;
s.fill(0, size);
for (uint i=0; i<size; i++) s[i] = a[i];
return true;
}
bool Icd2::USBPort::poll(uint size, TQMemArray<uchar> &a)
{
a.resize(size);
for (;;) {
_ctype = 0x65;//0x01;
if ( !doSequence(Poll, (char *)a.data(), size) ) return false;
if (_poll) break;
}
//log(Log::DebugLevel::Max, TQString("Receiced: \"%1\"").tqarg(toPrintable((const char *)a.data(), size)));
return true;
}
bool Icd2::USBPort::dataSend(const char *data, uint size)
{
_dataSend = true;
return Port::USB::send(data, size);
}
bool Icd2::USBPort::dataReceive(uint size, TQString &s)
{
_dataSend = true;
return Port::USB::receive(size, s);
}
//------------------------------------------------------------------------------
Icd2::USBHardware::USBHardware(::Programmer::Base &base)
: Hardware(base, new USBPort(ID_CLIENT, base))
{}
bool Icd2::USBHardware::internalConnect(const TQString &mode)
{
// load control messages for USB device if needed
log(Log::DebugLevel::Extra, TQString("need firmware ? %1").tqarg(USBPort::findDevice(Microchip::VENDOR_ID, ID_FIRMWARE)!=0));
if ( Port::USB::findDevice(Microchip::VENDOR_ID, ID_FIRMWARE) ) {
USBPort port(ID_FIRMWARE, *this);
if ( !port.open() ) return false;
uint i = 0;
while ( CONTROL_MESSAGE_DATA[i].bytes!=0 ) {
if ( !port.sendControlMessage(CONTROL_MESSAGE_DATA[i]) ) return false;
i++;
}
port.close();
for (uint i=0; i<10; i++) {
log(Log::DebugLevel::Extra, TQString("client here ? %1").tqarg(USBPort::findDevice(Microchip::VENDOR_ID, ID_CLIENT)!=0));
if ( Port::USB::findDevice(Microchip::VENDOR_ID, ID_CLIENT) ) break;
Port::msleep(1000);
}
}
if ( !_port->open() ) return false;
return static_cast<USBPort *>(_port)->connectDevice(mode);
}
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