/**
* ***************************** 获取需要的协议信息，封装成MyDParam
*
* @param markValue
* @return
*/
private List<MyDParam> getDParams(List<DParam> dParams) {
List<MyDParam> list = new ArrayList<MyDParam>();
if (dParams.size() > 0) {
for (int j = 0; j < dParams.size(); j++) {
MyDParam myDParam = new MyDParam();
DParam dParam = dParams.get(j);
myDParam.setdParam(dParam);
Map<Integer, DparamMapValue> map =
stringTransformMap(dParam.getDparamIsMap(), dParam.getDparamMapDatas());
myDParam.setDmv(map);
list.add(myDParam);
}
}
return list;
}
/**
* ******************** 获得协议参数
*
* @param datas
* @param dParam
* @return
*/
public float getParam(byte[] datas, MyDParam myDParam) {
DParam dParam = myDParam.getdParam();
int byteBegin = dParam.getDparamByteBegin();
int byteLength = dParam.getDparamByteLength();
int isByte = dParam.getDparamIsByte();
float factory = dParam.getDparamFactor(); // 参数分辨率（倍数）
float offset = dParam.getDparamOffset(); // 参数偏移值
String byteDatas = dParam.getDparamByteDatas();
float param = 0;
if ((byteBegin + byteLength) <= datas.length) {
byte[] dataArray = cutDatas(datas, byteBegin, byteLength); // 截取datas
if (isByte == 0) {
float tmpFloat = 0;
if (dParam.getDparamHighAndLow() == 1) { // 大端法解析
tmpFloat = byteTransformFloat_big(dataArray);
} else { // 小端法解析
tmpFloat = byteTransformFloat_small(dataArray);
}
if (tmpFloat == 0) {
param = 0;
} else {
param = Math.round((tmpFloat * factory + offset) * 10) / 10;
}
} else {
String[] bytedataArray = byteDatas.split(":");
if (bytedataArray.length >= 4) {
int bytelen = Integer.parseInt(bytedataArray[0]);
int bytebeginbit = Integer.parseInt(bytedataArray[1]);
int byteendbit = Integer.parseInt(bytedataArray[2]) + bytebeginbit;
int bytefactor = Integer.parseInt(bytedataArray[3]);
int tmpInt = 0;
for (int i = Math.min(dataArray.length, bytelen) - 1; i >= 0; --i) {
tmpInt |= dataArray[i];
tmpInt = tmpInt << 4 * i;
}
String tmpString = toBinaryString(tmpInt);
if (tmpString.length() - byteendbit < 0 || tmpString.length() - bytebeginbit < 0) {
return 0;
}
tmpString =
tmpString.substring(
tmpString.length() - byteendbit, tmpString.length() - bytebeginbit);
param = (float) (new BigInteger(tmpString, 2).intValue() * bytefactor);
}
}
} else {
param = 0;
}
return param;
}
