updated readme, changed arg in hdf5_explorer.py from --filename to --file

devices/statistics_writer/README.md

@@ -22,7 +22,7 @@ This script can be called with the following arguments:
 
 
 ##HFD5 structure
-Statistics packets are collected with the StatisticsCollector in to a matrix. Once the matrix is done or a newer 
+Statistics packets are collected by the StatisticsCollector in to a matrix. Once the matrix is done or a newer 
 timestamp arrives this matrix along with the header of first packet header, nof_payload_errors and nof_valid_payloads.
 The file will be named after the mode it is in and the timestamp of the statistics packets. For example: `SST_1970-01-01-00-00-00.h5`.
 
@@ -45,13 +45,14 @@ File
 
 ###explorer
 There is an hdf5 explorer that will walk through specified hdf5 files. 
-Its called `hdf5_explorer.py` and can be called with a filename argument
-ex: `python3 hdf5_explorer.py --filename data/SST_1970-01-01-00-00-00.h5` This allows for easy manual checking 
+Its called `hdf5_explorer.py` and can be called with a `--file` argument
+ex: `python3 hdf5_explorer.py --file data/SST_1970-01-01-00-00-00.h5` This allows for easy manual checking 
 of the structure and content of hdf5 files. useful for testing and debugging.
-
+Can also be used as example of how to read the HDF5 statistics data files.
+Provides a number of example functions inside that go through the file in various ways.
 
 ###test server
 There is a test server that will continuously send out the same statistics packet.
-Its called `test_server.py`. Takes `host` and `port` as optional input arguments.
-Defaults to address `'127.0.0.1'` and port `65433`
+Its called `test_server.py`. Takes `--host`, `--port` and `--file` as optional input arguments.
+Defaults to address `'127.0.0.1'`, port `65433` and file `devices_test_SDP_SST_statistics_packets.bin`
 

devices/statistics_writer/test/hdf5_explorer.py

@@ -4,7 +4,7 @@ import numpy
 import argparse
 
 parser = argparse.ArgumentParser(description='Select a file to explore')
-parser.add_argument('--filename', type=str, help='the name and path of the file')
+parser.add_argument('--file', type=str, help='the name and path of the file')
 
 import logging
 logging.basicConfig(level=logging.INFO)
@@ -112,7 +112,7 @@ class explorer:
 # create a data dumper that creates a new file every 10s (for testing)
 if __name__ == "__main__":
     args = parser.parse_args()
-    Explorer = explorer(args.filename)
+    Explorer = explorer(args.file)
 
     """
     Print the entire files content