/// <summary>
/// Get the shelf life paraeter from the log state information.
/// Used in getting the <see cref="ShelfLife"/>.
/// </summary>
/// <param name="lsi">The log state information from the tag.</param>
/// <returns>Extracted shelf life parameter, <see cref="ShelfLifeParam"/>.</returns>
/// <exception cref="ApplicationException">Exception thrown when the log state does not contain the shelf life information.</exception>
public ShelfLifeParam ExtractShelfLifeResp(LogStateInfo lsi)
{
if (!lsi.hasShelfLife)
{
throw new ApplicationException("ExtractShelfLifeReponse: no shelf life present.");
}
ShelfLifeParam slp = new ShelfLifeParam();
slp.actEnergy = lsi.shelfLife.actEnergy;
slp.curShelfLife = lsi.shelfLife.curShelfLife;
slp.initLife = lsi.shelfLife.initLife;
slp.initTemp = lsi.shelfLife.initTemp;
slp.maxTemp = lsi.shelfLife.maxTemp;
slp.minTemp = lsi.shelfLife.minTemp;
slp.negSlEn = lsi.shelfLife.negSlEn;
slp.normTemp = lsi.shelfLife.normTemp;
slp.slAlgEn = lsi.shelfLife.slAlgEn;
slp.slSensId = lsi.shelfLife.slSensId;
return(slp);
}
/* Get the curent log state from the tag. */
private LogStateInfo LogStateExchange(uint password, bool secured)
{
BitBuffer bb;
NurApi.CustomExchangeParams xch;
NurApi.CustomExchangeResponse resp;
int respLen, bytePtr;
byte flags;
LogStateInfo ls = new LogStateInfo();
/* Build the command. */
bb = BuildCommand(CMD_GET_LOGSTATE, null);
/* No expected length because shelf life is unknown; handle not needed here. */
xch = BuildDefault(bb, 0, true, false);
resp = hApi.CustomExchangeSingulated(password, secured, NurApi.BANK_EPC, 32, epc.Length * 8, epc, xch);
respLen = resp.tagBytes.Length;
if (resp.error != NurApiErrors.NUR_NO_ERROR)
{
if (respLen >= MIN_ERROR_RESP_LENGTH)
{
InterpretedException("Get log state", resp);
}
DoException("Get log state", resp);
}
/* If the response is full, then the shelf life blocks and current shelf life are present. */
ls.hasShelfLife = (respLen >= LOGSTATE_FULL_BYTE_LEN);
/* Big-endian bytes for crossings. */
bytePtr = 0;
ls.eLowCnt = resp.tagBytes[bytePtr++];
ls.lowCnt = resp.tagBytes[bytePtr++];
ls.uprCnt = resp.tagBytes[bytePtr++];
ls.eUprCnt = resp.tagBytes[bytePtr++];
/* TODO: convert to uint -> get by masks. It is the "System Status" field, 32 bits. */
/* Measurement address pointer. */
ls.addrPtr = (int)GetBitsBigEndian(resp.tagBytes, BytesToBits(bytePtr), 10);
/* Number of memory replacements. */
ls.nrOfRepl = (int)GetBitsBigEndian(resp.tagBytes, BytesToBits(bytePtr) + 10, 6);
/* Number of measurements. */
ls.nrOfMeas = (int)GetBitsBigEndian(resp.tagBytes, BytesToBits(bytePtr) + 16, 15);
/* Active? */
ls.sysActive = GetBit(resp.tagBytes, BytesToBits(bytePtr) + 15) == 1;
bytePtr += 4;
if (ls.hasShelfLife)
{
uint tmpVal;
/* 64 bits for Shelf life block 0 & 1 + 24 bits for current shelf life = 8 + 3 = 11 bytes. */
/* Shelf life block 0: */
ls.shelfLife.actEnergy = resp.tagBytes[bytePtr++];
ls.shelfLife.normTemp = resp.tagBytes[bytePtr++];
ls.shelfLife.minTemp = resp.tagBytes[bytePtr++];
ls.shelfLife.maxTemp = resp.tagBytes[bytePtr++];
/* Shelf life block 1: */
tmpVal = GetBigEndian32FromBytes(resp.tagBytes, bytePtr);
bytePtr += 4;
ls.shelfLife.slAlgEn = IsMaskBitSet(tmpVal, FLAG_SL_EN_BIT);
ls.shelfLife.negSlEn = IsMaskBitSet(tmpVal, FLAG_SL_NEG_EN_BIT);
ls.shelfLife.slSensId = ((tmpVal >> SL_SENSID_LSH) & SL_SENSID_MASKVAL);
ls.shelfLife.initTemp = ((tmpVal >> SL_INITTEMP_LSH) & SL_INITTEMP_MASKVAL);
ls.shelfLife.initLife = ((tmpVal >> SL_INITLIFE_LSH) & SL_INITLIFE_MASKVAL);;
/* Big-endian 24-bit value. */
ls.shelfLife.curShelfLife = resp.tagBytes[bytePtr++];
ls.shelfLife.curShelfLife <<= 8;
ls.shelfLife.curShelfLife |= resp.tagBytes[bytePtr++];
ls.shelfLife.curShelfLife <<= 8;
ls.shelfLife.curShelfLife |= resp.tagBytes[bytePtr++];
}
flags = resp.tagBytes[bytePtr];
ls.actLogging = IsMaskBitSet(flags, FLG_ACT_LOG_BIT);
ls.full = IsMaskBitSet(flags, FLG_MEASFULL_BIT);
ls.overWritten = IsMaskBitSet(flags, FLG_OVRWR_BIT);
ls.adError = IsMaskBitSet(flags, FLG_ADERR_BIT);
ls.battLow = IsMaskBitSet(flags, FLG_LOWBATT_BIT);
ls.slLowError = IsMaskBitSet(flags, FLG_SLLOWERRR_BIT);
ls.slHighError = IsMaskBitSet(flags, FLG_SLHIGHERRR_BIT);
ls.expired = IsMaskBitSet(flags, FLG_SLEXP_BIT);
return(ls);
}
