/* OneWire SEARCH SearchReply
* ------------------------------
* 0 START_SYSEX (0xF0)
* 1 OneWire Command (0x73)
* 2 search SearchReply command (0x42|0x45) //0x42 normal search SearchReply. 0x45 SearchReply to a SEARCH_ALARMS request
* 3 pin (0-127)
* 4 bit 0-6 [optional] //address bytes encoded using 8 times 7 bit for 7 bytes of 8 bit
* 5 bit 7-13 [optional] //1.address[0] = byte[0] + byte[1]<<7 & 0x7F
* 6 bit 14-20 [optional] //1.address[1] = byte[1]>>1 + byte[2]<<6 & 0x7F
* 7 .... //...
* 11 bit 49-55 //1.address[6] = byte[6]>>6 + byte[7]<<1 & 0x7F
* 12 bit 56-63 //1.address[7] = byte[8] + byte[9]<<7 & 0x7F
* 13 bit 64-69 //2.address[0] = byte[9]>>1 + byte[10]<<6 &0x7F
* n ... // as many bytes as needed (don't exceed MAX_DATA_BYTES though)
* n+1 END_SYSEX (0xF7)
*/
public static OneWireSearchReply ParseSearchReply(int[] buffer, int size)
{
var reply = new OneWireSearchReply
{
Command = (OneWireCommand)buffer[1],
SearchReply = (SearchReply)buffer[2],
Bus = (byte)buffer[3],
Sensors = new List<OneWireAddress>()
};
var headerSize = 4;
var addressSize = 8;
var sensorBytesLength = size - headerSize;
var numberOfSensors = sensorBytesLength / addressSize;
var sensorBytes = buffer
.Skip(headerSize)
.Take(sensorBytesLength)
.Select(a => (byte)a)
.ToArray();
var decodedSensorBytes = Encoder7BitClass.ReadBinary(numberOfSensors * addressSize, sensorBytes);
for (var pointer = 0; pointer < numberOfSensors; pointer++)
{
reply.Sensors.Add(
new OneWireAddress(decodedSensorBytes.Skip(pointer * addressSize).Take(addressSize).ToArray()));
}
return reply;
}
public OneWireReplyReceivedEventArgs(OneWireSearchReply searchReply)
{
SearchReply = searchReply;
Type = OneWireReplyType.SearchReply;
}