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author | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-02-24 18:42:24 +0000 |
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committer | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-02-24 18:42:24 +0000 |
commit | f508189682b6fba62e08feeb1596f682bad5fff9 (patch) | |
tree | 28aeb0e6c19386c385c1ce5edf8a92c1bca15281 /src/progs/direct/base/direct_mem24.cpp | |
download | piklab-f508189682b6fba62e08feeb1596f682bad5fff9.tar.gz piklab-f508189682b6fba62e08feeb1596f682bad5fff9.zip |
Added KDE3 version of PikLab
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/piklab@1095639 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'src/progs/direct/base/direct_mem24.cpp')
-rw-r--r-- | src/progs/direct/base/direct_mem24.cpp | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/src/progs/direct/base/direct_mem24.cpp b/src/progs/direct/base/direct_mem24.cpp new file mode 100644 index 0000000..a719add --- /dev/null +++ b/src/progs/direct/base/direct_mem24.cpp @@ -0,0 +1,207 @@ +/*************************************************************************** + * Copyright (C) 2006 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 "direct_mem24.h" + +#include <qdatetime.h> + +#include "common/global/global.h" +#include "common/common/misc.h" + +Direct::Mem24DeviceSpecific::Mem24DeviceSpecific(::Programmer::Base &base) + : ::Programmer::Mem24DeviceSpecific(base) +{} + +bool Direct::Mem24DeviceSpecific::setPowerOn() +{ + hardware().setPin(Clock, Low); + hardware().setPin(DataOut, Low); + hardware().setPin(Vpp, Off); + if ( hardware().isGroundPin(Vdd) ) { + hardware().setPin(Clock, High); + Port::usleep(500000); + } else { + hardware().setPin(Vdd, On); + Port::usleep(10000); + } + return true; +} + +bool Direct::Mem24DeviceSpecific::setPowerOff() +{ + hardware().setPin(Clock, Low); + hardware().setPin(DataOut, Low); + hardware().setPin(Vpp, Off); + hardware().setPin(Vdd, Off); + Port::usleep(10000); + return true; +} + +bool Direct::Mem24DeviceSpecific::verifyPresence() +{ + if ( !start() ) return false; + bool acked; + if ( !writeByte(controlByte(0x0, Write), acked) ) return false; + if ( !acked ) { + log(Log::LineType::Error, i18n("Could not detect EEPROM")); + return false; + } + log(Log::LineType::Information, i18n("EEPROM detected")); + return stop(); +} + +uint Direct::Mem24DeviceSpecific::controlByte(uint address, Operation operation) const +{ + uint cbyte = (operation==Write ? 0xA0 : 0xA1); + uint bsize = device().nbBytes() / device().nbBlocks(); + uint block = address / bsize; + uint nbb = nbBits(device().nbBlocks()-1); + for (uint i=0; i<nbb; i++) + if ( block & (1<<i) ) cbyte |= 1 << (4-nbb+i); + return cbyte; +} + +bool Direct::Mem24DeviceSpecific::setAddress(uint address) +{ + log(Log::DebugLevel::Extra, QString("set address %1").arg(toHexLabel(address, nbChars(NumberBase::Hex, address)))); + if ( !start() ) return false; + uint bsize = device().nbBytes() / device().nbBlocks(); + uint block = address / bsize; + log(Log::DebugLevel::Extra, QString(" in block #%1/%2").arg(block).arg(device().nbBlocks())); + uint cbyte = controlByte(address, Write); + log(Log::DebugLevel::Max, QString(" control byte is %1").arg(toHexLabel(cbyte, 2))); + if ( !writeByteAck(cbyte) ) return false; + uint nb = nbBytes(bsize-1); + for (int i=nb-1; i>=0; i--) { + uint add = (address >> 8*i) & 0xFF; + log(Log::DebugLevel::Max, QString(" byte #%1: %2").arg(i).arg(toHexLabel(add, 2))); + if ( !writeByteAck(add) ) return false; + } + return true; +} + +bool Direct::Mem24DeviceSpecific::doRead(Device::Array &data, const ::Programmer::VerifyData *vdata) +{ + // sequential read: all device memory + if ( !setAddress(0x0) ) return false; + if ( !start() ) return false; + if ( !writeByteAck(controlByte(0x0, Read)) ) return false; + data.resize(device().nbBytes()); + for (uint i=0; i<data.count()-1; i++) data[i] = readByte(Low); + data[data.count()-1] = readByte(High); + if (vdata) { + for (uint i=0; i<data.count(); i++) + if ( !verifyByte(i, data[i], *vdata) ) return false; + } + return stop(); +} + +bool Direct::Mem24DeviceSpecific::doWrite(const Device::Array &data) +{ + QTime time; + // page by page (page_size==1: byte by byte) + uint nbPages = device().nbBytes() / device().nbBytesPage(); + for (uint i=0; i<nbPages; i++) { + log(Log::DebugLevel::Extra, QString("write page #%1/%2").arg(i).arg(nbPages)); + uint address = i * device().nbBytesPage(); + // write bytes + if ( !setAddress(address) ) return false; + for (uint k=0; k<device().nbBytesPage(); k++) + if ( !writeByteAck(data[address+k]) ) return false; + if ( !stop() ) return false; + // poll + time.start(); + for (;;) { + if ( !start() ) return false; + bool acked; + if ( !writeByte(controlByte(address, Write), acked) ) return false; + if (acked) break; + if ( time.elapsed()>200 ) { // 200 ms timeout + log(Log::LineType::Error, i18n("Timeout writing at address %1").arg(toHexLabel(address, nbChars(device().nbBytes())))); + return false; + } + } + } + return true; +} + +void Direct::Mem24DeviceSpecific::set(State clock, State data) +{ + hardware().setPin(Clock, clock); + hardware().setPin(DataOut, data); + Port::usleep(5); // #### needed ? +} + +void Direct::Mem24DeviceSpecific::setData(State data) +{ + set(Low, data); + set(High, data); + set(Low, data); +} + +BitValue Direct::Mem24DeviceSpecific::readByte(State ack) +{ + hardware().setRead(); + set(Low, High); + BitValue b = 0; + for (uint i=0; i<8; i++) { + set(High, High); + b <<= 1; + if ( hardware().readBit() ) b |= 0x1; + set(Low, High); + } + hardware().setWrite(); + setData(ack); + return b; +} + +bool Direct::Mem24DeviceSpecific::writeByteAck(BitValue value) +{ + bool acked; + if ( !writeByte(value, acked) ) return false; + if (!acked) { + log(Log::LineType::Error, i18n("Acknowledge bit incorrect")); + return false; + } + return true; +} + +bool Direct::Mem24DeviceSpecific::writeByte(BitValue value, bool &acked) +{ + Q_ASSERT( value<=0xFF ); + hardware().setWrite(); + set(Low, Low); + for (int i=7; i>=0; i--) setData(value.bit(i) ? High : Low); + hardware().setRead(); + set(Low, High); + set(High, High); + acked = !hardware().readBit(); + hardware().setWrite(); + set(Low, High); + return true; +} + +bool Direct::Mem24DeviceSpecific::start() +{ + hardware().setWrite(); + set(Low, High); + set(High, High); + set(High, Low); + set(Low, Low); + return true; +} + +bool Direct::Mem24DeviceSpecific::stop() +{ + hardware().setWrite(); + set(Low, Low); + set(High, Low); + set(High, High); + set(Low, High); + return true; +} |