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Fix: use dynamic RunId from the SlacParamReq

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uhi22 2023-05-23 00:37:19 +02:00
parent b6b57fdae1
commit 063c38884a
1 changed files with 19 additions and 10 deletions
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29
pyPlcHomeplug.py
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@ -133,6 +133,11 @@ class pyPlcHomeplug():
# we can give a different offset, to re-use the MAC also in the data area
for i in range(0, 6):
self.mytransmitbuffer[offset+i]=mac[i]
def fillRunId(self, offset):
# at the given offset in the transmit buffer, fill the 8-bytes-RunId.
for i in range(0, 8):
self.mytransmitbuffer[offset+i]=self.pevRunId[i]
def cleanTransmitBuffer(self): # fill the complete ethernet transmit buffer with 0x00
for i in range(0, len(self.mytransmitbuffer)):
@ -308,9 +313,7 @@ class pyPlcHomeplug():
self.mytransmitbuffer[18]=0x00 #
self.mytransmitbuffer[19]=0x00 #
self.mytransmitbuffer[20]=0x00 #
self.fillSourceMac(self.pevMac, 21) # 21 to 28: 8 bytes runid. The Ioniq uses the PEV mac plus 00 00.
self.mytransmitbuffer[27]=0x00 #
self.mytransmitbuffer[28]=0x00 #
self.fillRunId(21) # 21 to 28: 8 bytes runid. The Ioniq uses the PEV mac plus 00 00. Tesla uses "TESLA EV".
# rest is 00
def composeSlacParamCnf(self):
@ -340,7 +343,7 @@ class pyPlcHomeplug():
self.fillDestinationMac(self.pevMac, 28) # forwarding_sta, same as PEV MAC, plus 2 bytes 00 00
self.mytransmitbuffer[34]=0x00 #
self.mytransmitbuffer[35]=0x00 #
self.fillDestinationMac(self.pevMac, 36) # runid, same as PEV MAC, plus 2 bytes 00 00
self.fillRunId(36) # runid 8 bytes
self.mytransmitbuffer[42]=0x0 #
self.mytransmitbuffer[43]=0x0 #
# rest is 00
@ -369,7 +372,7 @@ class pyPlcHomeplug():
# charger is able to catch it all.
self.mytransmitbuffer[23]=0x01 # response type
self.fillSourceMac(self.myMAC, 24) # 24 to 29: sound_forwarding_sta, MAC of the PEV
self.fillSourceMac(self.myMAC, 30) # 30 to 37: runid, filled with MAC of PEV and two bytes 00 00
self.fillRunId(30) # 30 to 37: runid 8 bytes
# rest is 00
def composeNmbcSoundInd(self):
@ -392,7 +395,7 @@ class pyPlcHomeplug():
self.mytransmitbuffer[20]=0x00 # sectype
self.mytransmitbuffer[21]=0x00 # 21 to 37 sender ID, all 00
self.mytransmitbuffer[38]=self.remainingNumberOfSounds # countdown. Remaining number of sounds. Starts with 9 and counts down to 0.
self.fillSourceMac(self.myMAC, 39) # 39 to 46: runid, filled with MAC of PEV and two bytes 00 00
self.fillRunId(39) # 39 to 46: runid
self.mytransmitbuffer[47]=0x00 # 47 to 54: reserved, all 00
# 55 to 70: random number. All 0xff in the ioniq message.
for i in range(55, 71):
@ -416,7 +419,7 @@ class pyPlcHomeplug():
self.mytransmitbuffer[19]=0x00 # apptype
self.mytransmitbuffer[20]=0x00 # security
self.fillDestinationMac(self.pevMac, 21) # The wireshark calls it source_mac, but alpitronic fills it with PEV mac. We use the PEV MAC.
self.fillDestinationMac(self.pevMac, 27) # runid. The alpitronic fills it with the PEV mac, plus 00 00.
self.fillRunId(27) # runid 8 bytes
self.mytransmitbuffer[35]=0x00 # 35 - 51 source_id, 17 bytes. The alpitronic fills it with 00
self.mytransmitbuffer[52]=0x00 # 52 - 68 response_id, 17 bytes. The alpitronic fills it with 00.
@ -450,7 +453,7 @@ class pyPlcHomeplug():
self.mytransmitbuffer[19]=0x00 # apptype
self.mytransmitbuffer[20]=0x00 # sectype
self.fillSourceMac(self.myMAC, 21) # 21 to 26: source MAC
self.fillDestinationMac(self.myMAC, 27) # 27 to 34: runid. The PEV mac, plus 00 00.
self.fillRunId(27) # 27 to 34: runid
# 35 to 51: source_id, all 00
# 52 to 68: resp_id, all 00
# 69: result. 0 is ok
@ -479,7 +482,7 @@ class pyPlcHomeplug():
self.fillSourceMac(self.myMAC, 40) # 40 to 45: PEV MAC
# 46 to 62: evse_id, all 00
self.fillDestinationMac(self.evseMac, 63) # 63 to 68: EVSE MAC
self.fillSourceMac(self.myMAC, 69) # 69 to 76: runid. The PEV mac, plus 00 00.
self.fillRunId(69) # 69 to 76: runid
# 77 to 84: reserved, all 00
def composeSlacMatchCnf(self):
@ -505,7 +508,7 @@ class pyPlcHomeplug():
self.fillDestinationMac(self.pevMac, 40) # 40 - 45 pev_mac
# 46 - 62: evse_id 17 bytes. All zero in alpi/Ioniq trace.
self.fillSourceMac(self.myMAC, 63) # 63 - 68 evse_mac
self.fillDestinationMac(self.pevMac, 69) # 69-76 run_id. Is the ioniq mac plus 00 00.
self.fillRunId(69) # runid 8 bytes 69-76 run_id. Is the ioniq mac plus 00 00.
# 77 to 84 reserved 0
self.setNidAt(85) # 85-91 NID. We can nearly freely choose this, but the upper two bits need to be zero
# 92 reserved 0
@ -637,6 +640,9 @@ class pyPlcHomeplug():
self.pevMac[i] = self.myreceivebuffer[6+i]
self.addressManager.setPevMac(self.pevMac)
self.showStatus(prettyMac(self.pevMac), "pevmac")
# extract the RunId from the SlacParamReq, and store it for later use
for i in range(0, 8):
self.pevRunId[i] = self.myreceivebuffer[21+i]
# We are EVSE, we want to answer.
self.showStatus("SLAC started", "evseState")
self.composeSlacParamCnf()
@ -1084,6 +1090,9 @@ class pyPlcHomeplug():
self.NID = [ 1, 2, 3, 4, 5, 6, 7 ] # a default network ID
self.pevMac = [0xDC, 0x0E, 0xA1, 0x11, 0x67, 0x08 ] # a default pev MAC. Will be overwritten later.
self.evseMac = [0x55, 0x56, 0x57, 0xAA, 0xAA, 0xAA ] # a default evse MAC. Will be overwritten later.
# a default pev RunId. Will be overwritten later, if we are evse. If we are the pev, we are free to choose a
# RunID, e.g. the Ioniq uses the MAC plus 0x00 0x00 padding, the Tesla uses "TESLA EV".
self.pevRunId = [0xDC, 0x0E, 0xA1, 0xDE, 0xAD, 0xBE, 0xEF, 0x55 ]
self.myMAC = self.addressManager.getLocalMacAddress()
self.runningCounter=0
self.ipv6 = pyPlcIpv6.ipv6handler(self.transmit, self.addressManager, self.connMgr, self.callbackShowStatus)