add non-critical key NT version 2, issue #16

README.md

@@ -31,6 +31,8 @@ On the [Record Evolution Platform](https://www.record-evolution.de/en/home-en/),
 
 ## File format
 
+[Warning: Take a look at [this issue](https://github.com/RecordEvolution/IMCtermite/issues/14) when reading this section regarding the file format.]
+
 A data file of the _IMC Bus Format_ type with the extension _.raw_ is a _mixed text/binary
 file_ featuring a set of markers (keys) that indicate the start of various blocks
 of data that provide meta information and the actual measurement data. Every single
@@ -153,7 +155,8 @@ python3 -m pip install IMCtermite
 which provides binary wheels for multiple architectures on _Windows_ and _Linux_
 and most _Python 3.x_ distributions. However, if your platform/architecture is
 not supported you can still compile the source distribution yourself, which
-requires _python3_setuptools_ and _gcc version >= 10.2.0_.
+requires _python3_setuptools_ and an up-to-date compiler supporting C++11
+standard (e.g. _gcc version >= 10.2.0_).
 
 ## Usage
 
@@ -189,23 +192,23 @@ options `imctermite sample-data.raw -b -c -s '|'`.
 
 ### Python
 
-Given the `imctermite` module is available, we can import it and declare an instance
+Given the `IMCtermite` module is available, we can import it and declare an instance
 of it by passing a _raw_ file to the constructor:
 
 ```Python
-import imc_termite
+import IMCtermite
 
-imcraw = imc_termite.imctermite(b"sample/sampleA.raw")
+imcraw = IMCtermite.imctermite(b"sample/sampleA.raw")
 ```
 
 An example of how to create an instance and obtain the list of channels is:
 
 ```Python
-import imc_termite
+import IMCtermite
 
 # declare and initialize instance of "imctermite" by passing a raw-file
 try :
-    imcraw = imc_termite.imctermite(b"samples/sampleA.raw")
+    imcraw = IMCtermite.imctermite(b"samples/sampleA.raw")
 except RuntimeError as e :
     print("failed to load/parse raw-file: " + str(e))
 

lib/imc_key.hpp

@@ -84,6 +84,7 @@ namespace imc
     // noncritical keys
     key(false,"NO","origin of data",1),
     key(false,"NT","timestamp of trigger",1),
+    key(false,"NT","timestamp of trigger",2),
     key(false,"ND","(color) display properties",1),
     key(false,"NU","user defined key",1),
     key(false,"Np","property of channel",1),

makefile

@@ -31,7 +31,7 @@ INST := /usr/local/bin
 #-----------------------------------------------------------------------------#
 # C++ and CLI tool
 
-# build exectuable
+# build executable
 $(EXE): check-tags $(GVSN) main.o
 	$(CC) $(OPT) main.o -o $@