<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Works for me, and the tonight’s edge nightly build will feature this.<div class=""><br class=""></div><div class="">Only issue I am seeing is that Espressif seemed to have messed up the crlf handling on ‘make monitor’ again. The ‘make simple_monitor’ works fine, but for the full monitor terminal emulator, the CRLF issued by our console (when you press ENTER) is lost. Just seems to end up as a CR (LF discarded).</div><div class=""><br class=""></div><div class="">Regards, Mark.<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 9 Jul 2018, at 6:14 AM, Michael Balzer <<a href="mailto:dexter@expeedo.de" class="">dexter@expeedo.de</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" class="">
<div text="#000000" bgcolor="#FFFFFF" class="">
Sorry, no user feedback up to now on the wifi issues. As I don't
have them myself, I need to wait for feedback. But no news means
it's at least not worse than before ;)<br class="">
<br class="">
Anyway, I've pushed the changes and esp-idf update.<br class="">
<br class="">
@all: you need to update your esp-idf to build the current version:<br class="">
<ul class="">
<li class=""><tt class="">cd $IDF_PATH</tt><tt class=""><br class="">
</tt></li>
<li class=""><tt class="">git pull</tt></li>
<li class=""><tt class="">git submodule update --recursive</tt><br class="">
</li>
</ul>
<br class="">
Regards,<br class="">
Michael<br class="">
<br class="">
<br class="">
<div class="moz-cite-prefix">Am 08.07.2018 um 10:59 schrieb Mark
Webb-Johnson:<br class="">
</div>
<blockquote type="cite" cite="mid:1CFD2EB7-42D8-4070-8DB4-FEECFC16684C@webb-johnson.net" class="">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" class="">
<blockquote type="cite" class="">
<div text="#000000" bgcolor="#FFFFFF" class="">I even have some
more free IRAM now, it used to be down to ~1K and is now ~7K.</div>
</blockquote>
<div class=""><br class="">
</div>
That is very very good news. Using RELEASE build (rather than
DEBUG), I got mine down to a usable level, but this should give us
some breathing room.
<div class=""><br class="">
</div>
<div class="">Any noticeable improvement to the wifi issues?</div>
<div class=""><br class="">
</div>
<div class="">Regards, Mark.<br class="">
<div class=""><br class="">
<blockquote type="cite" class="">
<div class="">On 8 Jul 2018, at 4:49 PM, Michael Balzer <<a href="mailto:dexter@expeedo.de" class="" moz-do-not-send="true">dexter@expeedo.de</a>> wrote:</div>
<br class="Apple-interchange-newline">
<div class="">
<meta http-equiv="Content-Type" content="text/html;
charset=utf-8" class="">
<div text="#000000" bgcolor="#FFFFFF" class=""> The new
esp-idf works good, I think I'll push the changes this
evening.<br class="">
<br class="">
I even have some more free IRAM now, it used to be down
to ~1K and is now ~7K.<br class="">
<br class="">
Remaining crashes recorded up to now:<br class="">
<ul class="">
<li class=""><tt class="">3.1.008-32-g2fa3ab8-dirty/ota_1/edge
(build idf v3.2-dev-168-g0fb2019f Jul 6 2018
20:49:00),7,Crash,8,14,1,0,IllegalInstruction,0,0x00000000
0x00000000 0x00000000 0x00000000 0x00000000
0x00000000 0x00000000 0x00000000 0x00000000
0x00000000 0x00000000 0x00000000 0x00000000
0x00000000 0x00000000 0x00000000 0x00000000
0x00000000 0x00000000 0x00000000 0x00000000
0x00000000 0x00000000 0x00000000 ,</tt><tt class=""><br class="">
</tt><tt class=""><br class="">
</tt></li>
<li class=""><tt class="">3.1.008-32-g2fa3ab8-dirty/ota_0/edge
(build idf v3.2-dev-168-g0fb2019f Jul 6 2018
20:49:00),98,Crash,8,14,1,0,LoadProhibited,1,0x401165fc
0x00060230 0x80106004 0x3fff0d40 0x3ffc4794
0x00000000 0x3f4020ac 0x3fff1080 0x3fff1060
0x00000008 0x3ffed634 0x00000000 0x00000001
0x3ffc41f5 0x000000ff 0x0000ff00 0x00ff0000
0xff000000 0x00000004 0x0000001c 0x00000064
0x4009ee01 0x4009ee11 0xffffffff ,0x401165fc
0x40106001 0x400d3f9b 0x400d3ab5</tt><tt class=""><br class="">
</tt><tt class="">→<br class="">
</tt><tt class="">Using elf file:
tmp/3.1.008-32-g2fa3ab8-dirty-elf/ovms3.elf</tt><tt class=""><br class="">
</tt><tt class="">0x401165fc is in _vfprintf_r
(../../../.././newlib/libc/stdio/vfprintf.c:1855).</tt><tt class=""><br class="">
</tt><tt class="">0x40106001 is in _siprintf_r
(../../../.././newlib/libc/stdio/siprintf.c:124).</tt><tt class=""><br class="">
</tt><tt class="">0x400d3f9b is in
std::__cxx11::basic_string<char,
std::char_traits<char>,
std::allocator<char>
>::_M_construct<char*>(char*, char*,
std::forward_iterator_tag)
(/home/balzer/esp/xtensa-esp32-elf/xtensa-esp32-elf/include/c++/5.2.0/bits/basic_string.tcc:215).</tt><tt class=""><br class="">
</tt><tt class="">210
basic_string<_CharT, _Traits, _Alloc>::</tt><tt class=""><br class="">
</tt><tt class="">211
_M_construct(_InIterator __beg, _InIterator __end,</tt><tt class=""><br class="">
</tt><tt class="">212
std::forward_iterator_tag)</tt><tt class=""><br class="">
</tt><tt class="">213 {</tt><tt class=""><br class="">
</tt><tt class="">214 // NB: Not required,
but considered best practice.</tt><tt class=""><br class="">
</tt><tt class="">215 if
(__gnu_cxx::__is_null_pointer(__beg) &&
__beg != __end)</tt><tt class=""><br class="">
</tt><tt class="">216
std::__throw_logic_error(__N("basic_string::"</tt><tt class=""><br class="">
</tt><tt class="">217
"_M_construct null not valid"));</tt><tt class=""><br class="">
</tt><tt class="">218 </tt><tt class=""><br class="">
</tt><tt class="">219 size_type __dnew =
static_cast<size_type>(std::distance(__beg,
__end));</tt><tt class=""><br class="">
</tt><tt class="">0x400d3ab5 is in
canlog::LogStatus(canbus*, CAN_LogEntry_t,
CAN_status_t const*)
(/home/balzer/esp/Open-Vehicle-Monitoring-System-3/vehicle/OVMS.V3/components/can/src/canlog.cpp:297).</tt><tt class=""><br class="">
</tt><tt class="">292 return;</tt><tt class=""><br class="">
</tt><tt class="">293 if (CheckFilter(bus,
type))</tt><tt class=""><br class="">
</tt><tt class="">294 {</tt><tt class=""><br class="">
</tt><tt class="">295 CAN_LogMsg_t msg;</tt><tt class=""><br class="">
</tt><tt class="">296 msg.timestamp =
esp_log_timestamp();</tt><tt class=""><br class="">
</tt><tt class="">297 msg.bus = bus;</tt><tt class=""><br class="">
</tt><tt class="">298 msg.type = type;</tt><tt class=""><br class="">
</tt><tt class="">299 msg.status = *status;</tt><tt class=""><br class="">
</tt><tt class="">300 m_msgcount++;</tt><tt class=""><br class="">
</tt><tt class="">301 if (xQueueSend(m_queue,
&msg, 0) != pdTRUE)</tt><tt class=""><br class="">
<br class="">
</tt></li>
<li class=""><tt class="">3.1.008-32-g2fa3ab8-dirty/ota_1/edge
(build idf v3.2-dev-168-g0fb2019f Jul 6 2018
20:49:00),11,Crash,12,12,3,0,abort(),0,,0x40095e74
0x4009606f 0x400ddaf7 0x40084e15 0x401e271d<br class="">
→ watchdog timeout, no more info<br class="">
</tt></li>
</ul>
Regards,<br class="">
Michael<br class="">
<br class="">
<br class="">
<div class="moz-cite-prefix">Am 06.07.2018 um 22:07
schrieb Michael Balzer:<br class="">
</div>
<blockquote type="cite" cite="mid:27d5eae3-8bfe-ea5b-565b-d3f1b02206c3@expeedo.de" class="">
<meta http-equiv="Content-Type" content="text/html;
charset=utf-8" class="">
I've been using APCLIENT all the time and only had one
crash that looked like a wifi problem. This really is
a very specific problem. I also have a very good wifi
signal, I can perfectly use my module's web UI while
the car is in my garage two floors below. But I live
in an uncrowded area, not much wifi competition.<br class="">
<br class="">
I have updated my esp-idf to the latest upstream
master (it's v3.2 now) and could build without any
memory issues. The wifi driver now, besided loads of
bug fixes, also supports CSI. Our code only needs a
minor adjustment if you'd like to compile yourself,
add…<br class="">
<br class="">
<tt class="">#define _SOC_SPI_PERIPH_H_ // don't
include spi_periph.h (type conflict)</tt><br class="">
<br class="">
…in <tt class="">components/spinodma/spi_master_nodma.h</tt>
before <tt class="">#include "driver/spi_common.h"</tt>.<br class="">
<br class="">
If you don't want to compile, the new build (with CSI
enabled) is also on my server:<br class="">
<br class="">
<a class="moz-txt-link-freetext" href="http://ovms.dexters-web.de/firmware/ota/v3.1/edge/" moz-do-not-send="true">http://ovms.dexters-web.de/firmware/ota/v3.1/edge/</a><br class="">
<br class="">
…and now being installed by my beta testers.<br class="">
<br class="">
Regards,<br class="">
Michael<br class="">
<br class="">
<br class="">
<div class="moz-cite-prefix">Am 06.07.2018 um 16:28
schrieb Mark Webb-Johnson:<br class="">
</div>
<blockquote type="cite" cite="mid:62B5183F-67C4-4F40-898F-75DB5165B162@webb-johnson.net" class="">
<meta http-equiv="Content-Type" content="text/html;
charset=utf-8" class="">
<div class="">My 2c:</div>
<div class=""><br class="">
</div>
For the access points I normally use, it works 100%
of the time for me. The only issue I had was when
the SSID password was wrong on one of my access
points (sharing the same SSID) and that was randomly
causing me connection issues (every time the ESP32
picked it).
<div class=""><br class="">
</div>
<div class="">
<div class="">I also don’t use APCLIENT, and only
use SCLIENT mode. I’ve found APCLIENT to be
buggy as hell.</div>
</div>
<div class=""><br class="">
</div>
<div class="">But, I do have problems connecting to
some access points. In particular phone hotspots.
I suspect either bugs in the wifi stack, or some
issue with channels.</div>
<div class=""><br class="">
</div>
<div class="">The only thing I am wary of is that
our current code does this:</div>
<div class=""><br class="">
</div>
<blockquote style="margin: 0 0 0 40px; border: none;
padding: 0px;" class="">
<div class="">esp_wifi_set_config…</div>
<div class="">esp_wifi_start…</div>
<div class="">esp_wifi_connect...</div>
</blockquote>
<div class="">
<div class=""><br class="">
</div>
<div class="">But the Espressif examples have:</div>
<div class=""><br class="">
</div>
</div>
<blockquote style="margin: 0 0 0 40px; border: none;
padding: 0px;" class="">
<div class="">
<div class="">
<div class="">esp_wifi_set_config…</div>
<div class="">esp_wifi_start…</div>
<div class="">Wait for SYSTEM_EVENT_STA_START</div>
</div>
</div>
</blockquote>
<blockquote style="margin: 0 0 0 40px; border: none;
padding: 0px;" class="">
<blockquote style="margin: 0 0 0 40px; border:
none; padding: 0px;" class="">
<div class="">
<div class="">
<div class="">esp_wifi_connect...</div>
</div>
</div>
</blockquote>
</blockquote>
<div class="">
<div class=""><br class="">
</div>
<div class="">I had that working the Espressif way
in my big wifi refactor that never made it to
production. But our current code doesn’t wait
for the SYSTEM_EVENT_STA_START before calling
esp_wifi_connect.</div>
<div class=""><br class="">
</div>
<div class="">Regards, Mark.</div>
<div class=""><br class="">
<blockquote type="cite" class="">
<div class="">On 6 Jul 2018, at 9:04 PM,
Michael Balzer <<a href="mailto:dexter@expeedo.de" class="" moz-do-not-send="true">dexter@expeedo.de</a>>
wrote:</div>
<br class="Apple-interchange-newline">
<div class="">
<div class="">I've had similar reports
regarding poor wifi connectivity, and this
seems to affect some modules more than
others (or may be channel/frequency
dependant?). One<br class="">
user has just 1-2 bars AP wifi signal with
the module placed ~ 50 cm away from the
phone.<br class="">
<br class="">
I also still get reports of spurious
strange crashes, that mostly seem to be
related to situations with poor wifi
signal. Some crash backtraces just are<br class="">
complete blank / null, and there is no
crash report on the USB output for these
before reboot.<br class="">
<br class="">
Yesterday, Frank tried to perform some
wifi scans. The first scan went fine, the
second never returned, he had to power off
the module. After reboot, all<br class="">
successive scans worked.<br class="">
<br class="">
Two users reported they occasionally
cannot auth to the OVMS AP with the
correct password, and they can then
reconnect just by retrying for some
minutes or by<br class="">
connecting & disconnecting another
client to the AP.<br class="">
<br class="">
I already had a look at the wifi tx power
configuration, it's at 100% by default.<br class="">
<br class="">
This all feels like a) we need to change
something about the antenna, and b) there
are quite some bugs in the wifi blob.<br class="">
<br class="">
Looking at <a href="https://github.com/espressif/esp32-wifi-lib/commits/master" class="" moz-do-not-send="true">https://github.com/espressif/esp32-wifi-lib/commits/master</a>
it seems there have been numerous wifi
blob fixes lately. Last time I checked I
still was<br class="">
out of memory with the current esp-idf,
I'll check again.<br class="">
<br class="">
Regards,<br class="">
Michael<br class="">
<br class="">
<br class="">
Am 06.07.2018 um 01:48 schrieb Stephen
Casner:<br class="">
<blockquote type="cite" class="">I find
the wifi performance of OVMS v3 to be
poor, and I'm wondering<br class="">
how it might be improved. I have a mix
of thoughts here.<br class="">
<br class="">
For both my own unit and that of Timothy
Rodgers, wifi reception in<br class="">
our garages was unusable. You can blame
that on too much distance<br class="">
from the access point, but my iPhone and
MacBook both access the wifi<br class="">
just fine from my garage. The wifi
antenna in the OVMS is probably<br class="">
smaller and its location within the
metal framework around the car's<br class="">
firewall may impede radio transmission.
Perhaps it would be feasible<br class="">
to switch to an ESP32-WROVER-I with an
external antenna to improve<br class="">
performance, but that would be a big
deal. If there is a transmit<br class="">
power adjustment, perhaps that could be
increased?<br class="">
<br class="">
When Timothy parks his car next to his
house, which is about 50 feet<br class="">
closer than the garage, then the wifi
reception was good enough for<br class="">
the update to 3.1.008 to succeed. But
when he tries to connect with<br class="">
the browser, page updates often time
out, so it is close to unusable.<br class="">
Perhaps we could improve usability by
increasing the timeout in our<br class="">
javascript to allow more time for TCP to
retransmit?<br class="">
<br class="">
For my own unit, I switched from
AP+client to just client mode and at<br class="">
first it seemed that had improved the
client performance. But still<br class="">
the next day I had no access from the
iPhone app. When I connected to<br class="">
the console to find out why I saw that
server v2 was repeatedly trying<br class="">
to connect and failing. I'm presuming
that the cause was poor wifi<br class="">
connectivity since I was also not able
to reach the web server on the<br class="">
client address, although I have not
proven that. But since the client<br class="">
wifi was associated with the home AP and
had an address, the OVMS<br class="">
network routing preferred the wifi and
did not try to use the modem.<br class="">
For now I have resorted to turning off
wifi. I suggest that the<br class="">
network routing algorithm be enhanced to
back off to use the modem if<br class="">
some number of attempts to connect to
the server over wifi have<br class="">
failed. The iPhone will do this for
itself (there is a setting to<br class="">
enable this called Wi-Fi Assist).<br class="">
<br class="">
The behavior of repeated connection
attempts and failures by server v2<br class="">
seems to induce a more serious failure
after a while, perhaps due to<br class="">
some resource starvation. At that point
there is a failure message<br class="">
"mg_connect(<a href="http://api.openvehicles.com:6867/" class="" moz-do-not-send="true">api.openvehicles.com:6867</a>)
failed: cannot parse address"<br class="">
every time server v2 tries to connect.
I expect that is a bug that<br class="">
could be fixed.<br class="">
<br class="">
Lastly, since we may encounter
situations where network communication<br class="">
is not working, we should facilitate
access to the console. When I<br class="">
was trying to help Timothy change a
location radius setting remotely<br class="">
by phone and the web browser was timing
out, I suggested that he find<br class="">
a micro-USB cable so he could connect to
the console. But then I<br class="">
realized he would not have any
application on his laptop that would<br class="">
allow him to connect to the console.
Developers use "make monitor" in<br class="">
the software development cycle, but
users won't have that tool. I<br class="">
have my own program on the MacBook that
I use as an alternative when I<br class="">
don't want to induce a reset when I
connect. But is there a simple<br class="">
program for Windows suitable for
non-developer users that can connect<br class="">
to the OVMS console?<br class="">
<br class="">
-- Steve<br class="">
_______________________________________________<br class="">
OvmsDev mailing list<br class="">
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</blockquote>
<br class="">
-- <br class="">
Michael Balzer * Helkenberger Weg 9 *
D-58256 Ennepetal<br class="">
Fon 02333 / 833 5735 * Handy 0176 / 206
989 26<br class="">
<br class="">
<br class="">
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</blockquote>
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<br class="">
</div>
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<pre class="moz-signature" cols="160">--
Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
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Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
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