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/***************************************************************************
* Copyright (C) 2006 Nicolas Hadacek <hadacek@kde.org> *
* Copyright (C) 2003-2005 Alain Gibaud <alain.gibaud@free.fr> *
* *
* 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_16.h"
#include "common/global/global.h"
//----------------------------------------------------------------------------
void Direct::pic16::send_bits(BitValue d, uint nbb)
{
hardware().setWrite();
for (uint x = nbb; x; --x) {
hardware().setPin(Clock, High);
if ( d.bit(0) ) hardware().setPin(DataOut, High);
else hardware().setPin(DataOut, Low);
Port::usleep(1+_clockDelay);
hardware().setPin(Clock, Low);
Port::usleep(1+_clockDelay);
d >>= 1;
}
hardware().setPin(DataOut, High);
hardware().setRead();
}
void Direct::pic16::send_word(BitValue d)
{
hardware().setWrite();
d <<= 1; // insert start bit
for (uint x = 0; x<16; x++) {
hardware().setPin(Clock, High);
if ( d.bit(0) ) hardware().setPin(DataOut, High);
else hardware().setPin(DataOut, Low);
Port::usleep(1+_clockDelay) ; // needed for slow programmers/fast PCs
hardware().setPin(Clock, Low);
Port::usleep(1+_clockDelay) ;
d >>= 1; // Move the data over 1 bit
}
hardware().setPin(DataOut, High); // Added for ITU-1 support
hardware().setRead();
}
// Read 14 bits of data from the PIC
// clock idles low, change data. 1 start bit, 1 stop bit, data valid on falling edge.
BitValue Direct::pic16::get_word()
{
hardware().setRead();
BitValue ind = 0;
hardware().setPin(DataOut, High);
for (uint x = 16; x ; --x) {
hardware().setPin(Clock, High);
Port::usleep(1+_clockDelay);
if ( hardware().readBit() ) ind |= 0x8000;
else ind = ind.maskWith(0x7FFF);
ind >>= 1;
hardware().setPin(Clock, Low);
Port::usleep(1+_clockDelay);
}
return ind;
}
bool Direct::pic16::incrementPC(uint steps)
{
for (uint i=0; i<steps; i++) pulseEngine("k6,");
return true;
}
BitValue Direct::pic16::readWord(Pic::MemoryRangeType type)
{
if ( type==Pic::MemoryRangeType::Eeprom ) return pulseEngine("k5,r,");
return pulseEngine("k4,R,");
}
bool Direct::pic16::doRead(Pic::MemoryRangeType type, Device::Array &data, const ::Programmer::VerifyData *vdata)
{
data.resize(device().nbWords(type));
gotoMemory(type);
uint nbWords = data.count();
bool only = false;
if (vdata) {
bool only = vdata->actions & ::Programmer::OnlyProgrammedVerify;
const Device::Array wdata = static_cast<const Pic::Memory &>(vdata->memory).arrayForWriting(type);
if (only) nbWords = findNonMaskEnd(type, wdata)+1;
}
BitValue mask = device().mask(type);
for (uint i = 0; i<nbWords; i++) {
if ( !only || data[i]!=mask || type!=Pic::MemoryRangeType::Code ) {
data[i] = readWord(type).maskWith(mask);
if ( vdata && !hardware().verifyWord(i, data[i], type, *vdata) ) return false;
}
incrementPC(1);
}
if ( type==Pic::MemoryRangeType::Code || type==Pic::MemoryRangeType::Eeprom )
_base.progressMonitor().addTaskProgress(data.count());
return true;
}
bool Direct::pic16::doWrite(Pic::MemoryRangeType type, const Device::Array &data, bool force)
{
gotoMemory(type);
for (uint i = 0; i<data.count(); ) {
if ( !writeWords(type, data, i, force) ) {
log(Log::LineType::Error, i18n("Error programming %1 at %2.").arg(type.label()).arg(toHexLabel(i, 8)));
return false;
}
}
return true;
}
bool Direct::pic16::skipMaskWords(Pic::MemoryRangeType type, const Device::Array &data, uint &i, bool force)
{
if (force) return false;
uint nb = (type==Pic::MemoryRangeType::Code ? nbWordsCodeProg() : 1);
for (uint k=0; k<nb; k++)
if ( data[i+k]!=device().mask(type) ) return false;
incrementPC(nb);
i += nb;
return true;
}
bool Direct::pic16::writeWords(Pic::MemoryRangeType type, const Device::Array &data, uint i)
{
if ( type==Pic::MemoryRangeType::Eeprom) pulseEngine("k3,S,", data[i]);
else {
uint nb = (type==Pic::MemoryRangeType::Code ? nbWordsCodeProg() : 1);
for (uint k=0; k<nb; k++) {
if ( k!=0 ) incrementPC(1);
pulseEngine("k2,S,", data[i+k]);
}
}
startProg(type);
QString cmd = QString("w%1").arg(waitProgTime(type));
pulseEngine(cmd.latin1());
endProg(type);
return true;
}
bool Direct::pic16::writeWords(Pic::MemoryRangeType type, const Device::Array &data, uint &i, bool force)
{
if ( skipMaskWords(type, data, i, force) ) return true;
if ( !writeWords(type, data, i) ) return false;
incrementPC(1);
i += (type==Pic::MemoryRangeType::Code ? nbWordsCodeProg() : 1);
return true;
}
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