feature: date and time in exilog

doc/todo.md

@@ -5,7 +5,7 @@
 - [ ] Encoder: PreChargeReq: is it possible to enable the units for EVTargetVoltage and EVTargetCurrent?
 - [ ] Find out, why Alpi reports CableCheckRes = Finished FAILED in v0.4
 - [ ] Find out, why Compleo ignores the PowerDeliveryReq START in v0.4
-- [ ] Add date/time into ExiLog
+- [x] Add date/time into ExiLog
 - [ ] PevMode: Add state transition in case of failed CableCheck
 - [x] PevMode: PreChargeReq: Fill EVRESSSOC, EVTargetVoltage, EVTargetCurrent
 - [x] PevMode: PowerDeliveryReq: Fill EVRESSSOC, Stop/Start
@@ -14,9 +14,9 @@
 - [ ] EvseMode: Fill V2G messages as far as needed, to convince the car to accept it.
 - [x] PevMode: Fill V2G messages as far as needed, to convince the charger to accept it.
 - [x] PevMode: Find out the SLAC issue on Supercharger and Compleo.
-- [ ] PevMode: Connect the inlet voltage measurement
+- [x] PevMode: Connect the inlet voltage measurement
 - [x] PevMode: Connect the control of CP
-- [ ] PevMode: Connect the control of Relay
+- [x] PevMode: Connect the control of Relay
 - [ ] docu: add link to evse which provides the 5% PWM)
 - [ ] docu: add hardwareInterface into software architecture puml
 - [ ] docu: create hardware architecture picture

exiConnector.py

@@ -243,14 +243,22 @@ def testReadExiFromSnifferFile():
             testDecoder(s, "DD", "")
 
 def testReadExiFromExiLogFile():
-    file1 = open('PevExiLog_2022-12-13_westparkAlpi_twice.txt', 'r')
-    fileOut = open('PevExiLog_2022-12-13_westparkAlpi_twice.txt.decoded.txt', 'w')
+    file1 = open('PevExiLog.txt', 'r')
+    fileOut = open('PevExiLog.decoded.txt', 'w')
     # example: "ED 809a02004080c1014181c210b8"
+    # example with timestamp: "2022-12-20T08:17:15.055755=ED 809a02004080c1014181c21198"
     Lines = file1.readlines()
     for myLine in Lines:
-        if (myLine[1:3]=="D "): # it is DIN
+        posOfEqual=myLine.find("=")
+        if (posOfEqual>0):
+            # we have an equal-sign. Take the string behind it.
+            strToDecode=myLine[posOfEqual+1:]
+        else:
+            # no equal-sign. Take the complete line.
+            strToDecode=myLine
+        if (strToDecode[1:3]=="D "): # it is DIN
             posOfSpace=2
-            s = myLine[posOfSpace+1:] # The part after the " " contains the EXI hex data.
+            s = strToDecode[posOfSpace+1:] # The part after the " " contains the EXI hex data.
             s = s.replace(" ", "") # Remove blanks
             s = s.replace("\n", "") # Remove line feeds
             #print(s)

fsmPev.py

@@ -6,6 +6,7 @@
 
 import pyPlcTcpSocket
 import time # for time.sleep()
+from datetime import datetime
 from helpers import prettyHexMessage, compactHexMessage
 from exiConnector import * # for EXI data handling/converting
 import json
@@ -43,14 +44,16 @@ class fsmPev():
         
     def exiDecode(self, exidata, schema):
         s = compactHexMessage(exidata)
-        self.exiLogFile.write(schema + " " + s +"\n") # write the EXI data to the exiLogFile
+        strDateTime=datetime.today().strftime('%Y-%m-%dT%H:%M:%S.%f')
+        self.exiLogFile.write(strDateTime + "=" + schema + " " + s +"\n") # write the EXI data to the exiLogFile
         return exiDecode(exidata, schema) # call the decoder
         
     def exiEncode(self, input):
         schema = input[0:2]
         exidata = exiEncode(input) # call the encoder
         s = exidata # it is already a hex string
-        self.exiLogFile.write(schema + " " + s +"\n") # write the EXI data to the exiLogFile
+        strDateTime=datetime.today().strftime('%Y-%m-%dT%H:%M:%S.%f')
+        self.exiLogFile.write(strDateTime + "=" + schema + " " + s +"\n") # write the EXI data to the exiLogFile
         return exidata
         
     def sendChargeParameterDiscoveryReq(self):