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LibrePilot/ground/uavobjgenerator/generators/arduino/uavobjectgeneratorarduino.cpp
Philippe Renon fe9658a27b uncrustify
2017-01-14 16:18:13 +01:00

179 lines
7.7 KiB
C++

/**
******************************************************************************
*
* @file uavobjectgeneratorarduino.cpp
* @author The LibrePilot Project, https://www.librepilot.org, Copyright (C) 2017.
* The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief produce arduino code for uavobjects
*
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* 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 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "uavobjectgeneratorarduino.h"
using namespace std;
bool UAVObjectGeneratorArduino::generate(UAVObjectParser *parser, QString templatepath, QString outputpath)
{
fieldTypeStrC << "int8_t" << "int16_t" << "int32_t" << "uint8_t"
<< "uint16_t" << "uint32_t" << "float" << "uint8_t";
arduinoCodePath = QDir(templatepath + QString(ARDUINO_CODE_DIR));
arduinoOutputPath = QDir(outputpath);
arduinoOutputPath.mkpath(arduinoOutputPath.absolutePath());
arduinoIncludeTemplate = readFile(arduinoCodePath.absoluteFilePath("inc/uavobject.h.template"));
if (arduinoIncludeTemplate.isNull()) {
cerr << "Error: Could not open arduino template files." << endl;
return false;
}
for (int objidx = 0; objidx < parser->getNumObjects(); ++objidx) {
ObjectInfo *info = parser->getObjectByIndex(objidx);
process_object(info);
}
return true; // if we come here everything should be fine
}
/**
* Generate the Arduino object files
**/
bool UAVObjectGeneratorArduino::process_object(ObjectInfo *info)
{
if (info == NULL) {
return false;
}
// Prepare output strings
QString outInclude = arduinoIncludeTemplate;
// Replace common tags
replaceCommonTags(outInclude, info);
// Use the appropriate typedef for enums where we find them. Set up
// that StringList here for use below.
QStringList typeList;
for (int n = 0; n < info->fields.length(); ++n) {
if (info->fields[n]->type == FIELDTYPE_ENUM) {
typeList << QString("%1%2Options").arg(info->name).arg(info->fields[n]->name);
} else {
typeList << fieldTypeStrC[info->fields[n]->type];
}
}
// Replace the $(DATAFIELDS) tag
QString fields;
QString dataStructures;
for (int n = 0; n < info->fields.length(); ++n) {
// Determine type
QString type = typeList[n];
// Append field
// Check if it is a named set and create structures accordingly
if (info->fields[n]->numElements > 1) {
if (info->fields[n]->elementNames[0].compare("0") != 0) {
QString structTypeName = QString("%1%2Data").arg(info->name).arg(info->fields[n]->name);
QString structType = "typedef struct __attribute__ ((__packed__)) {\n";
for (int f = 0; f < info->fields[n]->elementNames.count(); f++) {
structType.append(QString(" %1 %2;\n").arg(type).arg(info->fields[n]->elementNames[f]));
}
structType.append(QString("} %1 ;\n").arg(structTypeName));
structType.append("typedef struct __attribute__ ((__packed__)) {\n");
structType.append(QString(" %1 array[%2];\n").arg(type).arg(info->fields[n]->elementNames.count()));
structType.append(QString("} %1Array ;\n").arg(structTypeName));
structType.append(QString("#define %1%2ToArray( var ) UAVObjectFieldToArray( %3, var )\n\n").arg(info->name).arg(info->fields[n]->name).arg(structTypeName));
dataStructures.append(structType);
fields.append(QString(" %1 %2;\n").arg(structTypeName)
.arg(info->fields[n]->name));
} else {
fields.append(QString(" %1 %2[%3];\n").arg(type)
.arg(info->fields[n]->name).arg(info->fields[n]->numElements));
}
} else {
fields.append(QString(" %1 %2;\n").arg(type).arg(info->fields[n]->name));
}
}
outInclude.replace("$(DATAFIELDS)", fields);
outInclude.replace("$(DATASTRUCTURES)", dataStructures);
// Replace the $(DATAFIELDINFO) tag
QString enums;
for (int n = 0; n < info->fields.length(); ++n) {
enums.append(QString("/* Field %1 information */\n").arg(info->fields[n]->name));
// Only for enum types
if (info->fields[n]->type == FIELDTYPE_ENUM) {
enums.append(QString("\n// Enumeration options for field %1\n").arg(info->fields[n]->name));
enums.append("typedef enum __attribute__ ((__packed__)) {\n");
// Go through each option
QStringList options = info->fields[n]->options;
for (int m = 0; m < options.length(); ++m) {
QString s = (m == (options.length() - 1)) ? " %1_%2_%3=%4\n" : " %1_%2_%3=%4,\n";
enums.append(s
.arg(info->name.toUpper())
.arg(info->fields[n]->name.toUpper())
.arg(options[m].toUpper().replace(QRegExp(ENUM_SPECIAL_CHARS), ""))
.arg(m));
}
enums.append(QString("} %1%2Options;\n")
.arg(info->name)
.arg(info->fields[n]->name));
}
// Generate element names (only if field has more than one element)
if (info->fields[n]->numElements > 1 && !info->fields[n]->defaultElementNames) {
enums.append(QString("\n// Array element names for field %1\n").arg(info->fields[n]->name));
enums.append("typedef enum {\n");
// Go through the element names
QStringList elemNames = info->fields[n]->elementNames;
for (int m = 0; m < elemNames.length(); ++m) {
QString s = (m != (elemNames.length() - 1)) ? " %1_%2_%3=%4,\n" : " %1_%2_%3=%4\n";
enums.append(s
.arg(info->name.toUpper())
.arg(info->fields[n]->name.toUpper())
.arg(elemNames[m].toUpper())
.arg(m));
}
enums.append(QString("} %1%2Elem;\n")
.arg(info->name)
.arg(info->fields[n]->name));
}
// Generate array information
if (info->fields[n]->numElements > 1) {
enums.append(QString("\n// Number of elements for field %1\n").arg(info->fields[n]->name));
enums.append(QString("#define %1_%2_NUMELEM %3\n")
.arg(info->name.toUpper())
.arg(info->fields[n]->name.toUpper())
.arg(info->fields[n]->numElements));
}
enums.append("\n");
}
outInclude.replace("$(DATAFIELDINFO)", enums);
// Write the arduino code
bool res = writeFileIfDifferent(arduinoOutputPath.absolutePath() + "/" + info->namelc + ".h", outInclude);
if (!res) {
cout << "Error: Could not write arduino include files" << endl;
return false;
}
return true;
}