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Diffstat (limited to 'src/progs/direct/base/direct_pic.cpp')
| -rw-r--r-- | src/progs/direct/base/direct_pic.cpp | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/src/progs/direct/base/direct_pic.cpp b/src/progs/direct/base/direct_pic.cpp new file mode 100644 index 0000000..30e4722 --- /dev/null +++ b/src/progs/direct/base/direct_pic.cpp @@ -0,0 +1,187 @@ +/*************************************************************************** + * Copyright (C) 2003-2004 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_pic.h" + +#include "common/common/misc.h" + +//----------------------------------------------------------------------------- +Direct::PulseEngine::PulseEngine(::Programmer::Base &base) + : _pbase(base) +{ + _clockDelay = 0; +} + +BitValue Direct::PulseEngine::pulseEngine(const QString &cmd, BitValue value) +{ + _pbase.log(Log::DebugLevel::Extra, QString("pulse engine: %1").arg(cmd)); + QByteArray a = toAscii(cmd); + BitValue res = 0; + for (const char *ptr=a.data(); (ptr-a.data())<int(a.count()); ++ptr) + if ( !pulse(ptr, value, res) ) qFatal("pulse engine: invalid command '%c'", *ptr); + return res; +} + +// Electric signals level commands: +// UPPER case means signal High - lower case means Low +// Example: "cPCcp" means "clock-low, power on, clock high, clock low, power off". +// c/C = clock +// d/D = data +// p/P = power (vdd) +// Higher level commands: +// wnnnnn = wait nnnnn microseconds (nnnnn is decimal) +// , = a shorthand for w1 +// ; or space = NOP (can be used as separator - useful in debug mode) +bool Direct::PulseEngine::pulse(const char * &cmd, BitValue, BitValue &) +{ + switch (*cmd) { + case ';': + case ' ': + _pbase.log(Log::DebugLevel::Max, "NOP"); + break; + case 'c': + _pbase.log(Log::DebugLevel::Max, "CLOCK L"); + hardware().setPin(Clock, Low); + break; + case 'C': + _pbase.log(Log::DebugLevel::Max, "CLOCK H"); + hardware().setPin(Clock, High); + break; + case 'd': + _pbase.log(Log::DebugLevel::Max, "DATA L"); + hardware().setPin(DataOut, Low); + break; + case 'D': + _pbase.log(Log::DebugLevel::Max, "DATA H"); + hardware().setPin(DataOut, High); + break; + case 'p': + _pbase.log(Log::DebugLevel::Max, "VDD Off"); + hardware().setPin(Vdd, Off); + Port::usleep(10000); + break; + case 'P': + _pbase.log(Log::DebugLevel::Max, "VDD On"); + hardware().setPin(Vdd, On); + // wait 10ms for ALL devices because some programmers (or target board) have capacitors to charge + Port::usleep(10000); + break; + case 'w': { + uint n = 0; + for(; *(cmd+1) && isdigit((int)*(cmd+1)); ++cmd) + n = (n * 10) + *(cmd+1) - '0'; + _pbase.log(Log::DebugLevel::Max, "WAIT " + QString::number(n) + " micro-sec."); + Port::usleep(n); + break; + } + case ',': + _pbase.log(Log::DebugLevel::Max, "WAIT 1 micro-sec"); + Port::usleep(1); + break; + default: return false; + } + return true; +} + +//----------------------------------------------------------------------------- +Direct::PicDeviceSpecific::PicDeviceSpecific(::Programmer::Base &base) + : ::Programmer::PicDeviceSpecific(base), PulseEngine(base) +{} + +// Electric signals level commands: +// UPPER case means signal High - lower case means Low +// b/B = burn (vpp) +bool Direct::PicDeviceSpecific::pulse(const char *&cmd, BitValue value, BitValue &res) +{ + switch (*cmd) { + case 'b': + log(Log::DebugLevel::Max, "VPP Off"); + hardware().setPin(Vpp, Off); + Port::usleep(10); // 10us + break; + case 'B': + log(Log::DebugLevel::Max, "VPP On"); + hardware().setPin(Vpp, On); + Port::usleep(100000); // 100ms + break; + default: return PulseEngine::pulse(cmd, value, res); + } + return true; +} + +bool Direct::PicDeviceSpecific::setPowerOnVddFirst() +{ + setPowerOff(); + switch (hardware().type()) { + case Normal: + if ( hardware().isGroundPin(Vdd) ) { // some programmer cannot change Vdd independently + pulseEngine("B"); // charge capacitor to have high Vdd + pulseEngine("bB"); // turn off Vpp briefly, Vpp on + } else pulseEngine("PB"); + break; + case EPEToolkitMK3: + pulseEngine("B"); // put MCLR at 0V + pulseEngine("bP"); // put MCLR on multiplexer and turn multiplexer to 12V + break; + } + return true; +} + +bool Direct::PicDeviceSpecific::setPowerOnVppFirst() +{ + setPowerOff(); + pulseEngine("BP"); + return true; +} + +bool Direct::PicDeviceSpecific::setPowerOff() +{ + pulseEngine("cdpb"); // turn off Vpp after Vdd to prevent running device + pulseEngine("w50000"); // to be on the safe size with multiple on/off + return true; +} + +bool Direct::PicDeviceSpecific::setTargetPowerOn(bool on) +{ + pulseEngine(on ? "P" : "p"); + return true; +} + +//----------------------------------------------------------------------------- +// Higher level commands: +// S = send data word +// R = read data word +// r = read byte +// knn = send 6 or 4 bits command nn to PIC (nn is decimal) +bool Direct::Pic8DeviceSpecific::pulse(const char *&cmd, BitValue value, BitValue &res) +{ + switch (*cmd) { + case 'S': + log(Log::DebugLevel::Max, "SEND " + toHexLabel(value, 4)); + send_word(value); + break; + case 'R': + log(Log::DebugLevel::Max, "Read Word"); + res = get_word(); + break; + case 'r': + log(Log::DebugLevel::Max, "Read Byte"); + res = get_byte(); + break; + case 'k': { + uint n = 0; + for(; *(cmd+1) && isdigit((int)*(cmd+1)); ++cmd) + n = (n * 10) + *(cmd+1) - '0'; + log(Log::DebugLevel::Max, "SEND cmd " + QString::number(n)); + send_cmd(n); + break; + } + default: return PicDeviceSpecific::pulse(cmd, value, res); + } + return true; +} |