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/**********************************************************************
*
* HDFF firmware command interface library
*
* Copyright (C) 2011 Andreas Regel
*
* 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.
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*********************************************************************/
#include "hdffcmd_base.h"
void HdffCmdBuildHeader(BitBuffer_t * MsgBuf, HdffMessageType_t MsgType,
HdffMessageGroup_t MsgGroup, HdffMessageId_t MsgId)
{
BitBuffer_SetBits(MsgBuf, 16, 0); // length field will be set later
BitBuffer_SetBits(MsgBuf, 6, 0); // reserved
BitBuffer_SetBits(MsgBuf, 2, MsgType);
BitBuffer_SetBits(MsgBuf, 8, MsgGroup);
BitBuffer_SetBits(MsgBuf, 16, MsgId);
}
uint32_t HdffCmdSetLength(BitBuffer_t * MsgBuf)
{
uint32_t length;
length = BitBuffer_GetByteLength(MsgBuf) - 2;
MsgBuf->Data[0] = (uint8_t) (length >> 8);
MsgBuf->Data[1] = (uint8_t) length;
return length + 2;
}
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