RS-AJP free

[aide]

Hello

Just a short note to let you all know that RS-AJP is now free.
https://play.google.com/store/apps/details?id=com....

Best wishes
Aide

[aide]

I'll release the code under an OpenSource license shortly.
Aide

[aide]

It's been running faultlessly in cars on more or less every continent for a number of years now.
So it doesn't require any maintenance.
So, I'm happy to give it away for free now knowing that it should be fine for years to come!
Hope you all benefit from using it.
Aide

[aide]

TwinKam said:

(can someone update the Wiki to show that the S5 format also works for the S4?...)

Feel free to edit the wiki page TwinKam!

TwinKam said:

And, having read through all 41 pages of the RS-AJP thread last night, I am amazed at your patience too.. just how many times did you have to repeat yourself on so many points!

[aide]

mk1fan said:

Very generous of you. Thanks.

Very welcome, thanks

[aide]

It won't do much unless you plug it in fubar.
The GPS Speedometer is handy though.
And the HUD is great for speeding at night

[aide]

There is the RS-AJP WiKi

Perhaps wireless charging while running the app will work?

[aide]

CerbWill said:

Wireless charging whilst running RS-AJP works fine on my Galaxy S7 Edge.

Thanks Will

[aide]

Btw Will - you can change the screen resolution on the S7.

if you go "Settings -> Display -> Screen Resolution" and choose HD (1280x720) the default RS-AJP layout will fit the screen perfectly.



Aide

[aide]

julian64 said:

Meanwhile my phone comes up and says what type of USB connection do I want, charge the phone, MTP media transfer, PTP picture transfer, RNDIS USB ethernet, Audio source, MIDI. and another setting for USB debugging.

Anything I particular need to set or will it just work when I get the advised cable?

I normally choose MTP.

[aide]

julian64 said:

aide said:

I normally choose MTP.

Cheers. Are you still looking into the MBE for future products or have you stopped now?

Yes!
Pm Me and we can all have a pvt chat

[aide]

You can make a flat serial RS232 cable.
Which enables you to close the lid of the ecu.

Detail here:
https://www.pistonheads.com/gassing/topic.asp?h=0&...

[aide]

There is no Bluetooth functionality available on RS-AJP.
However, I believe RS-iJP does.
HTH
Aide

[aide]

thefrog said:

aide said:

There is no Bluetooth functionality available on RS-AJP.
However, I believe RS-iJP does.
HTH
Aide

I presume you mean RS-iAJP which uses bluetooth via an RS232-BLE adapter for iOS devices. (Lite Version - Free but limited in functionality: https://itunes.apple.com/fr/app/rsiajp-lite/id1240... Full Version - https://itunes.apple.com/fr/app/rsiajp/id123472548...

Any plans to make it free for the community?

[aide]

450Nick said:

I don't suppose you want to develop an RS-GEMS do you Aide???

I'd love to Nick, really would - it's great fun developing these apps - however, with the kids and a new job I've little or no spare time these days.

More than happy to advise and lend a hand to anyone that wants to take on the project.

Aide

[aide]

Hi André

If you have another diagnostic software successfully connecting to your ECU then that's a good starting point.

So. If that is the case, you already have all the parts you need except:

1. An Android device that supports USB OTG.
2. And a USB OTG cable.

Traditionally, it all connects together like this:
ECU -> USB SERIAL CABLE -> PC -> Diagnostic Software

With my app:
ECU -> USB SERIAL CABLE -> USB OTG CABLE -> Android device -> RS-AJP

Happy to help until you get up and running

aide

(Please give the wiki page a good read first if you can!)

[aide]

You are most welcome Duncan.

RS-AJP and its sister app RS-RV8 have been running flawlessly on every continent in the world for many years now and I'm really glad that it is useful.

I got my cerbera back today after putting it up for sale over the summer. The drive home was great and I had the app running on the dash all the time.

[aide]

Thank you, I went for milk this morning and ended up in Brighton. I had forgotten how fast a Cerbera is. Jesus!

The logging is great.

It's in csv format.

The timestamp on every log line is an epoch.
You can decipher them here:
https://www.epochconverter.com/

When I open the log in excel I usually graph the values by RPM on the x axis

i.e. RPM vs BATTERY showed me that at 950 rpm the battery isn't really being charged (it's around 12v instead of 13v). So I idle my car at 1050 rpm so that the alternator is always charging the battery.

[aide]

I will log my next drive and post it here if that helps.

My lambda value used to go over 1.1

You could see the max value registered with the red triangular marker on the Lambda dial on RS-AJP.

I recall a value up to 1.3 or thereabouts.

It hasn't occured in ages. I think it was happening before I replaced the sensors a long time ago.

It's interesting to think about what the lambda readings are when the engine is spinning above 4k rpm.

The ecu uses the lambda values to trim the base fuel map when the engine is spinning less than 4k rpm.

I'd always thought that the base fuel map, above 4krpm, was rich enough to never need real-time adjustment.

So graphing RMP[x] vs Lambda1&2[y] and looking at the Lambda values above 4k rpm is really interesting because there is nothing to adjust the fueling at that range. And the lambda value is really important as its reading will let you know if it's running lean at high revs.

But surely when mapping the original cars a wide band lambda sensor was used and ample fuel is provisioned in the base map at those un monitored rev ranges?

[aide]

Just thinking.

My manifolds were cracked originally and I got AFR faults immediately and constantly.

I had them repaired and coated and replaced the lambda sensors.

And, I think, that's when the lambda values I had logged stopped exceeding 1.1

So, perhaps, get the manifolds sorted and replace the ball joint parts on the linkage, to remove throttle slop, with rose joints from Peter. And then rebalance the TPs. Go for a run, log the results and graph RPM vs Lambda.