add a script to read out the test system

this script reads out all relevant data from the connected terminals
such that it can be used for offline tests. Also add the retrieved data.

ebpfcat/scripts.py

@@ -2,6 +2,7 @@ from argparse import ArgumentParser
 import asyncio
 from functools import wraps
 from hashlib import sha1
+from pprint import PrettyPrinter
 from struct import unpack
 import sys
 
@@ -138,3 +139,33 @@ async def eeprom():
     if w is not None:
         await t.eeprom_write_one(0xe, w & 0xffff)
         await t.eeprom_write_one(0xf, w >> 16)
+
+
+@entrypoint
+async def create_test():
+    ec = EtherCat(sys.argv[1])
+    await ec.connect()
+    no = await ec.count()
+
+    terminals = []
+
+    for i in range(no):
+        t = Terminal()
+        t.ec = ec
+        await t.initialize(-i, await ec.find_free_address())
+        sdo = {}
+        if t.has_mailbox():
+            await t.to_operational()
+            odlist = await t.read_ODlist()
+
+            for k, v in odlist.items():
+                for kk, vv in v.entries.items():
+                    try:
+                        ret = await t.sdo_read(v.index, vv.valueInfo)
+                    except RuntimeError:
+                        pass
+                    sdo[v.index, vv.valueInfo] = ret
+
+        terminals.append(dict(eeprom=t.eeprom, sdo=sdo))
+    pp = PrettyPrinter(indent=4)
+    pp.pprint(terminals)

pyproject.toml

@@ -7,3 +7,4 @@ dependencies = []
 ec-scanbus = "ebpfcat.scripts:scanbus"
 ec-info = "ebpfcat.scripts:info"
 ec-eeprom = "ebpfcat.scripts:eeprom"
+ec-create-test = "ebpfcat.scripts:create_test"