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60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
/*-------------------------------------------------------------------------
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Arduino library to ...
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Written by Jochen Krapf,
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contributions by ... and other members of the open
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source community.
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-------------------------------------------------------------------------
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This file is part of the MechInputs library.
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MechInputs is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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MechInputs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with MechInputs. If not, see
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<http://www.gnu.org/licenses/>.
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-------------------------------------------------------------------------*/
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#include "SensorSerialBuffer.h"
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CSensorSerialBuffer::CSensorSerialBuffer()
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{
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_writeIndex = 0;
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_packetLength = 0;
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Clear();
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}
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void CSensorSerialBuffer::Clear ()
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{
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for (uint8_t i=0; i<SERIALBUFFER_SIZE; i++)
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_buffer[i] = 0;
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}
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void CSensorSerialBuffer::AddData (uint8_t b)
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{
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_buffer[_writeIndex] = b;
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_writeIndex++;
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_writeIndex &= SERIALBUFFER_MASK;
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}
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void CSensorSerialBuffer::SetPacketLength (uint8_t len)
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{
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_packetLength = len;
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}
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uint8_t& CSensorSerialBuffer::operator[] (uint8_t x)
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{
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x += _writeIndex;
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x -= _packetLength;
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x &= SERIALBUFFER_MASK;
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return _buffer[x];
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}
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