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I've merged the rework into the master now.<br>
<br>
Regards,<br>
Michael<br>
<br>
<br>
<div class="moz-cite-prefix">Am 17.12.20 um 09:21 schrieb Michael
Balzer:<br>
</div>
<blockquote type="cite"
cite="mid:e65e49ef-639c-f1f1-06b9-ad0aa34113f3@expeedo.de">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
Everyone,<br>
<br>
in case you missed the BMW i3 thread: I've added support for the
ISO-TP "extended addressing scheme" to our poller (see below for
details).<br>
<br>
The extension should not affect standard polling, but I had to
touch all polling lists to add the protocol tag.<br>
<br>
I've tested the change with my car (Twizy) but would like to get
some test results for other vehicle modules before merging into
the master.<br>
<br>
Please pull, checkout and build from the "isotp-extadr" branch to
test this with your car, and report your results.<br>
<br>
Thanks!<br>
<br>
Regards,<br>
Michael<br>
<br>
<br>
<div class="moz-cite-prefix">Am 13.12.20 um 17:24 schrieb Michael
Balzer:<br>
</div>
<blockquote type="cite"
cite="mid:cf9cfe0e-302d-aae9-e03a-58d1687d1422@expeedo.de">
<meta http-equiv="Content-Type" content="text/html;
charset=UTF-8">
Steve,<br>
<br>
please try the poller rework I just pushed to the new
"isotp-extadr" branch.<br>
<br>
These <font face="monospace">poll_pid_t</font> records would
define the example shown in the ELM327 manual:<br>
<br>
<font face="monospace"> { 0x7b004, 0x7c0f1,
VEHICLE_POLL_TYPE_OBDIISESSION, 0x81, { 20, 0, 0 }, 0,
ISOTP_EXTADR },<br>
{ 0x7b004, 0x7c0f1, VEHICLE_POLL_TYPE_OBDIIGROUP, 0xa2,
{ 30, 0, 0 }, 0, ISOTP_EXTADR },</font><br>
<br>
I've used these + matching faked rx frames to verify the
implementation.<br>
<br>
Your SOC poll should look like this:<br>
<br>
<font face="monospace"> { 0x6F107, 0x607F1,
VEHICLE_POLL_TYPE_OBDIIEXTENDED, 0xDDBC, { 0, 10, 60 }, 0,
ISOTP_EXTADR },<br>
</font><br>
…and your <font face="monospace">IncomingPollReply()</font>
should receive the reply with <font face="monospace">pid ==
0x607F1</font>.<br>
<br>
Please report your results.<br>
<br>
Thanks,<br>
Michael<br>
<br>
<br>
<div class="moz-cite-prefix">Am 13.12.20 um 11:33 schrieb
Michael Balzer:<br>
</div>
<blockquote type="cite"
cite="mid:b947aab9-6ab4-9e0d-e4ee-4f7ca70eaed9@expeedo.de">
<meta http-equiv="Content-Type" content="text/html;
charset=UTF-8">
Steve,<br>
<br>
sorry, totally missed that. That's very unusual, haven't seen
that before. I first thought maybe that's using CAN extended
frame mode, but that's a totally different thing: it seems the
i3 uses the <b>ISO-TP extended addressing scheme</b>.<br>
<br>
Quoting from Wikipedia: <a class="moz-txt-link-freetext"
href="https://en.wikipedia.org/wiki/ISO_15765-2"
moz-do-not-send="true">https://en.wikipedia.org/wiki/ISO_15765-2</a><br>
<br>
<blockquote type="cite"><span style="color: rgb(32, 33, 34);
font-family: sans-serif; font-size: 14px; font-style:
normal; font-variant-ligatures: normal; font-variant-caps:
normal; font-weight: 400; letter-spacing: normal; orphans:
2; text-align: start; text-indent: 0px; text-transform:
none; white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background-color: rgb(255,
255, 255); text-decoration-thickness: initial;
text-decoration-style: initial; text-decoration-color:
initial; display: inline !important; float: none;">ISO-TP
can be operated with its own addressing as so-called<span> </span></span><i
style="color: rgb(32, 33, 34); font-family: sans-serif;
font-size: 14px; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: 400;
letter-spacing: normal; orphans: 2; text-align: start;
text-indent: 0px; text-transform: none; white-space:
normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background-color: rgb(255,
255, 255); text-decoration-thickness: initial;
text-decoration-style: initial; text-decoration-color:
initial;">Extended Addressing</i><span style="color:
rgb(32, 33, 34); font-family: sans-serif; font-size: 14px;
font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: 400;
letter-spacing: normal; orphans: 2; text-align: start;
text-indent: 0px; text-transform: none; white-space:
normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background-color: rgb(255,
255, 255); text-decoration-thickness: initial;
text-decoration-style: initial; text-decoration-color:
initial; display: inline !important; float: none;"><span> </span>or
without address using only the CAN ID (so-called<span> </span></span><i
style="color: rgb(32, 33, 34); font-family: sans-serif;
font-size: 14px; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: 400;
letter-spacing: normal; orphans: 2; text-align: start;
text-indent: 0px; text-transform: none; white-space:
normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background-color: rgb(255,
255, 255); text-decoration-thickness: initial;
text-decoration-style: initial; text-decoration-color:
initial;">Normal Addressing</i><span style="color: rgb(32,
33, 34); font-family: sans-serif; font-size: 14px;
font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: 400;
letter-spacing: normal; orphans: 2; text-align: start;
text-indent: 0px; text-transform: none; white-space:
normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background-color: rgb(255,
255, 255); text-decoration-thickness: initial;
text-decoration-style: initial; text-decoration-color:
initial; display: inline !important; float: none;">).
Extended addressing uses the first data byte of each frame
as an additional element of the address, reducing the
application payload by one byte.</span></blockquote>
<br>
So it's standard frames, with just an additional byte inserted
before the protocol, used to extend the CAN ID.<br>
<br>
The OVMS poller doesn't support this yet.<br>
<br>
But it shouldn't be hard to add support for this, as it
basically just fills the first frame byte from the lower 8
bits of the TX and RX IDs, reduces the payload size by one
byte and shifts the offsets by one. PollerSend() and
PollerReceive() need to be extended for this, and poll_pid_t
needs to be extended by an addressing scheme tag.<br>
<br>
I'll have a look. Tell me if you'd like to take care of this.<br>
<br>
Regards,<br>
Michael<br>
<br>
<br>
<div class="moz-cite-prefix">Am 13.12.20 um 09:58 schrieb
Steve Davies:<br>
</div>
<blockquote type="cite"
cite="mid:CABFTEGVjBDRdi2bt=5naGFiue=bR+afLgu_Sj2y+1QMRN6mzpA@mail.gmail.com">
<meta http-equiv="content-type" content="text/html;
charset=UTF-8">
<div dir="ltr"><img
src="https://api2.activeinboxhq.com/1.0/anon/rr/30b419480d275d90878a2c12836ea56b"
style="display:none !important" moz-do-not-send="true"
width="1" height="1"><img
src="https://api2.activeinboxhq.com/1.0/anon/rr/30b419480d275d90878a2c12836ea56b"
style="display:none !important" moz-do-not-send="true"
width="1" height="1"><img
src="https://api2.activeinboxhq.com/1.0/anon/rr/30b419480d275d90878a2c12836ea56b"
style="display:none !important" moz-do-not-send="true"
width="1" height="1"><img
src="https://api2.activeinboxhq.com/1.0/anon/rr/30b419480d275d90878a2c12836ea56b"
style="display:none !important" moz-do-not-send="true"
width="1" height="1"><img
src="https://api2.activeinboxhq.com/1.0/anon/rr/30b419480d275d90878a2c12836ea56b"
style="display:none !important" moz-do-not-send="true"
width="1" height="1">
<div dir="ltr"><br>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sat, 12 Dec 2020 at
17:28, Michael Balzer <<a
href="mailto:dexter@expeedo.de"
moz-do-not-send="true">dexter@expeedo.de</a>>
wrote:<br>
</div>
<div> </div>
<blockquote class="gmail_quote" style="margin:0px 0px
0px 0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div>with log level verbose for canlog, you can simply
activate CAN logging via:<br>
<br>
<font face="monospace">can log start monitor crtd</font><br>
<br>
…that will log all frames, if that's too much, add a
filter like this:<br>
<br>
<font face="monospace">can log start monitor crtd
600-7ff</font></div>
</blockquote>
<div><br>
</div>
<div><br>
</div>
<div>To see what was happening I had to "log level
verbose canlog-monitor"</div>
<div><br>
</div>
<div>I see this being transmitted:</div>
<div><br>
</div>
<div>V (62436161) canlog-monitor: 1607847148.142477 1T11
6F1 03 22 dd bc 00 00 00 00<br>
</div>
<div><br>
</div>
<div>There is no reply.</div>
<div><br>
</div>
<div>The other app I looked at does this on the LM327 as
setup before sending the request:</div>
<div><br>
</div>
<div><font face="monospace">2020-11-15 10:34:35.115
--> ATCEA07⏎ "extended address" 0x07<br>
2020-11-15 10:34:35.127 <-- OK⏎⏎><br>
</font></div>
<div><br>
</div>
<div>Looking at the LM327 data sheet this configures an
"extended address" which is sent after the 0x6F1 </div>
<div><br>
</div>
<div>I'm not sure if that 0x03 in what OVMS is sending
is that byte, and I need to somehow replace it wih 07,
or if I have to get another inserted?</div>
<div><br>
</div>
<div>Perhaps this is old hat to those more experienced
than me.</div>
<div><br>
</div>
<div>From the data sheet and the trace it seems I'm also
responsible to customise the flow control messages :-</div>
<div><br>
</div>
<div><br>
</div>
<div><font face="monospace">2020-11-15 10:34:35.129
--> ATFCSH6F1⏎ Flow control header<br>
2020-11-15 10:34:35.141 <-- OK⏎⏎><br>
2020-11-15 10:34:35.143 --> ATFCSD07300800⏎ Flow
control data<br>
2020-11-15 10:34:35.156 <-- OK⏎⏎><br>
2020-11-15 10:34:35.157 --> ATFCSM1⏎ Flow control
mode<br>
2020-11-15 10:34:35.170 <-- OK⏎⏎><br>
</font></div>
<div><br>
</div>
<div>I think that comes down to a flow control being "06
F1 07 30 08 00"</div>
<div><br>
</div>
<div>Here's the page in the LM327 to help understand
what it does:</div>
<div><br>
</div>
<div><img src="cid:part8.5529781D.C5C2A396@expeedo.de"
alt="image.png" style="margin-right: 25px;" class=""><br>
</div>
</div>
</div>
<br>
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