serialFrame createSerialFrame(char type, int32_t data1, int32_t data2, int32_t data3, int32_t data4, int32_t rss1, int32_t rss2, int32_t rss3, int32_t rss4){
// creation of the frame
serialFrame f;
// initializing the fields
f.seqNum = currentSerialSeqNum;
f.type = type;
f.data[0]= data1;
f.data[1]= data2;
f.data[2]= data3;
f.data[3]= data4;
f.rss[0]= rss1;
f.rss[1]= rss2;
f.rss[2]= rss3;
f.rss[3]= rss4;
// converting the frame into a char * for CRC generation purpose
char tab[CONVERTED_SERIAL_FRAME_SIZE-2];
serialFrameToChar(f,tab);
// CRC generation
f.crc = createCRC(tab, CONVERTED_SERIAL_FRAME_SIZE-2);
// sequence number management
if(currentSerialSeqNum<MAX_SERIAL_SEQ_NUM)
currentSerialSeqNum++;
else
currentSerialSeqNum = 0;
return f;
}
uint8_t retrieveReadFrame(uint8_t * read, serialFrame * uf){
// converting back the uint8_t form of the frame in its classic form
*uf = serialFrameFromUint(read);
// generating the CRC for this converted form
char tab[CONVERTED_SERIAL_FRAME_SIZE-2];
serialFrameToChar(*uf,tab);
uint16_t crcRead = createCRC(tab, CONVERTED_SERIAL_FRAME_SIZE-2);
// comparing this generated CRC to the one contained in the frame to check integrity of the whole frame
if(crcRead==uf->crc)
return 0;
else
return 1;
}
Response::Response(bitset<1*BYTE> type, bitset<4*BYTE> ID, boost::dynamic_bitset<> message)
:type(type), ID(ID), message(message), datasize(message.size()/8)
{
CRC = bitset<2*BYTE>(createCRC());
}
