qpcpp/qs/source/qs_mem.cpp
Quantum Leaps b9752c09d9 5.2.1
2014-01-07 19:59:39 -05:00

69 lines
2.7 KiB
C++

//****************************************************************************
// Product: QS/C++
// Last Updated for Version: 5.2.1
// Date of the Last Update: Jan 06, 2014
//
// Q u a n t u m L e a P s
// ---------------------------
// innovating embedded systems
//
// Copyright (C) 2002-2014 Quantum Leaps, LLC. All rights reserved.
//
// This program is open source 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.
//
// Alternatively, this program may be distributed and modified under the
// terms of Quantum Leaps commercial licenses, which expressly supersede
// the GNU General Public License and are specifically designed for
// licensees interested in retaining the proprietary status of their code.
//
// 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, see <http://www.gnu.org/licenses/>.
//
// Contact information:
// Quantum Leaps Web sites: http://www.quantum-leaps.com
// http://www.state-machine.com
// e-mail: info@quantum-leaps.com
//****************************************************************************
#include "qs_pkg.h"
/// \file
/// \ingroup qs
/// \brief QS::mem() implementation
namespace QP {
//............................................................................
void QS::mem(uint8_t const *blk, uint8_t size) {
uint8_t b = static_cast<uint8_t>(MEM_T);
uint8_t chksum_ = static_cast<uint8_t>(priv_.chksum + b);
uint8_t *buf_ = priv_.buf; // put in a temporary (register)
QSCtr head_ = priv_.head; // put in a temporary (register)
QSCtr end_ = priv_.end; // put in a temporary (register)
priv_.used += (static_cast<QSCtr>(size) // size+2 bytes to be added
+ static_cast<QSCtr>(2));
QS_INSERT_BYTE(b)
QS_INSERT_ESC_BYTE(size)
while (size != static_cast<uint8_t>(0)) {
b = *blk;
QS_INSERT_ESC_BYTE(b)
QS_PTR_INC_(blk);
--size;
}
priv_.head = head_; // save the head
priv_.chksum = chksum_; // save the checksum
}
} // namespace QP