[Blip]

Being a retired Hardware system engineer, You guys have no clue how hard it would be to make this really, and work with the speed that people here would want. think of it this way how many times a sec would the system have to check, RPM, engine Temp, Oil TEMP, oil pressure, intake TEMP, boost pressure. I would say a good 40-50 times a sec. that is a lot of data to be real time. And the ODBII connection is way to slow I think the best it can do is 20 times a sec on one senor, BTW I bet you all want this for 1,200 Dollar NAV! unit

Just I thought I was right someone makes this
DashDAQ Series II - customizable OBD2 gauges, data logging, dianostics, and GPS Navigation

See what happens when you leave the field for 2 years.

[thegame696911]

Originally Posted by Blip

Being a retired Hardware system engineer, You guys have no clue how hard it would be to make this really, and work with the speed that people here would want. think of it this way how many times a sec would the system have to check, RPM, engine Temp, Oil TEMP, oil pressure, intake TEMP, boost pressure. I would say a good 40-50 times a sec. that is a lot of data to be real time. And the ODBII connection is way to slow I think the best it can do is 20 times a sec on one senor, BTW I bet you all want this for 1,200 Dollar NAV! unit

Just I thought I was right someone makes this
DashDAQ Series II - customizable OBD2 gauges, data logging, dianostics, and GPS Navigation

See what happens when you leave the field for 2 years.

So are you saying it can be done ?...... since that product already exists. Your thread is worded ackwardly.

[UturnSTi]

Post here if you want to discuss the themed thread. Digital asked that we not clutter his thread with a discussion.

[halfelite]

Originally Posted by thegame696911

So are you saying it can be done ?...... since that product already exists. Your thread is worded ackwardly.

He is saying yes but the time and money would not be worth it for a hack. Better to buy a system that does it already. You would have to take it apart reverse engineer it to see were everything is stored if its in a standard pic chip or stored in some sort of nand flash. Then to be able to write your own hacks and be able to update it. Most likely a firmware update wouldnt work and you would need to desolder the chips and program them yourself.

[UturnSTi]

Quote:
Originally Posted by Blip
Being a retired Hardware system engineer, You guys have no clue how hard it would be to make this really, and work with the speed that people here would want. think of it this way how many times a sec would the system have to check, RPM, engine Temp, Oil TEMP, oil pressure, intake TEMP, boost pressure. I would say a good 40-50 times a sec. that is a lot of data to be real time. And the ODBII connection is way to slow I think the best it can do is 20 times a sec on one senor, BTW I bet you all want this for 1,200 Dollar NAV! unit

Just I thought I was right someone makes this
DashDAQ Series II - customizable OBD2 gauges, data logging, dianostics, and GPS Navigation

See what happens when you leave the field for 2 years.

Blip, if you've played with the new Nav you'll notice that Subaru left lots of room within the menu interface to allow expandability... There are menu tabs and sub menus that only have one or two options highlighted, but look like there is expandability. The Nav already takes real-time data from the throttle positioning and fuel usage... I don't believe it would be a big stretch to get other system info into one of the submenus. Maybe I am wrong, but I feel it's doable.

[halfelite]

It all has to do with how everything is stored on the nav unit. how much space is on the chip. Maybe its a base model and soon will be upgraded with new hardware so the interface is set to go but not the memory size. You have to take into account there is maybe a 1mb block of space for the gui and other material if that. The firmware updates probally only deal with the navigation part So you figure you need to make an external flasher. that you either need to desolder or make a no solder option with a chip socket. Then reverse engineer there currect flash unless its open source but doubt it. Then program your own. and flash back. The least of the worries is the gui has space and that it already pulls some info from the ecu.

[serendipity]

It's never going to happen. It's not even worth discussing.

[thegame696911]

Originally Posted by serendipity

It's never going to happen. It's not even worth discussing.

Well thats the spirit !

[Digitalfiend]

Originally Posted by serendipity

It's never going to happen. It's not even worth discussing.

Why is it never going to happen? Are you saying that it is impossible for Subaru to add this to the MY09 NAV unit as per the other thread's description?

[Digitalfiend]

Originally Posted by UturnSTi

Post here if you want to discuss the themed thread. Digital asked that we not clutter his thread with a discussion.

Thanks man. I'm glad someone was paying attention.

[Digitalfiend]

Originally Posted by Blip

Being a retired Hardware system engineer, You guys have no clue how hard it would be to make this really, and work with the speed that people here would want. think of it this way how many times a sec would the system have to check, RPM, engine Temp, Oil TEMP, oil pressure, intake TEMP, boost pressure.

I think most people would want to display:

Boost/MAP, knock correction, etc.

So that is 3 gauges updating at a reasonable rate of 5 samples per second per virtual gauge.

Heck I think most people would settle for a virtual boost gauge.

Originally Posted by Blip

I would say a good 40-50 times a sec.

that is a lot of data to be real time. And the ODBII connection is way to slow I think the best it can do is 20 times a sec on one senor

The CAN protocol supports up to 1mbps. The ECU can probably send data at a rate of between 10-125kbps (I think CAN calls that class B databus speed or something.) That should be more than sufficient for 3 gauges.

When I was datalogging with my 05 (OBDII), I could easily collect more than three parameters at a sufficient sampling rate.

Originally Posted by Blip

, BTW I bet you all want this for 1,200 Dollar NAV! unit

Just I thought I was right someone makes this
DashDAQ Series II - customizable OBD2 gauges, data logging, dianostics, and GPS Navigation

See what happens when you leave the field for 2 years.

These units have been around a lot longer than that. The whole point of the poll was to gauge interest if Subaru were to offer these features. If you had read the first post (which I don't think you did since you posted in that thread ), it was more as a feature suggestion for MY09. Honestly, how useful are instant MPG and TPS gauges?

Lastly, the GT-R NAV system has no problem displaying 9+ gauges at the same time.

I do agree that Subaru is highly unlikely to retrofit the MY08s. I also feel that you can't replace proper datalogging software. That doesn't change the fact that a virtual boost/MAP gauge, at the minimum, in place of the "instant MPG" gauge would be very useful and very easily do-able.

[serendipity]

Originally Posted by Digitalfiend

Why is it never going to happen? Are you saying that it is impossible for Subaru to add this to the MY09 NAV unit as per the other thread's description?

Yes. What you're asking for makes zero sense as a business decision.

G-meters are one thing. AFR and Intake Air Temperature? Please. You would have to be a moron to think a mass-market car company would consider adding that to a display.

[Tbagger]

Originally Posted by serendipity

Yes. What you're asking for makes zero sense as a business decision.

G-meters are one thing. AFR and Intake Air Temperature? Please. You would have to be a moron to think a mass-market car company would consider adding that to a display.

I guess I'm a moron then . . . take a look at the GT-R r35. That car shows you EVERYTHING, G's pulled in a turn, real time temp on oil, EGT, AFRs, boost all on the nav screen all scrolled through with buttons on the steering wheel.

Who's the moron now.

It comes down to if Subaru sees this as something that will sell the car. Seeing how they made the '08 a bit softer and for a wider audience it is hard to think that they will resort to something that only "real drivers" want on a daily basis. I could see them offering it maybe as a "sport upgrade" for the drivers that made the STi what it is today.

A good idea would to copy Nissans program for the the GT-R with real time readings of the BOOST, AFRS, EGT Temp, Oil Temp etc with the BBS wheels and the Recaro seats that the rest of the world gets and package it up as something like a "Rally" package. It would be easy to use the same interface with their nav now but just have an optional upgrade for the nav units sold with the said "Rally" package. Price it around 4-6K and I'm sure they'd sell the hell out of those packages.

But how often are our cries heard of by SOA??

They atleast made all the interior lights red and blacked out the headlights . . . . So there is some hope

[Digitalfiend]

Originally Posted by serendipity

Yes. What you're asking for makes zero sense as a business decision.

G-meters are one thing. AFR and Intake Air Temperature? Please. You would have to be a moron to think a mass-market car company would consider adding that to a display.

Why? They did it for MPG and throttle response, both of which have zero-usefulness. I'm pretty sure Nissan is a mass-market car company as well and the GT-R has it. I'm sure BMW might even have something similiar. You do know that these values are already available from the car's ECU, right?

You would have to be a moron to think it isn't feasible. I guess Subaru would never sell an OEM boost gauge for the WRX or STI either...oh wait, they do. The old car had a great spot for a triple meter hood, the new car, not so much. For those that only want to go stage 1 or 2 and don't want to bolt a gauge to the dash or A-pillar, having a virtual display built into the NAV unit (like the GT-R) for simple things like boost is not unreasonable. You make it sound like it would be some grand technical feat.

Personally, I'll still end up getting an oil pressure and EGT gauge (which aren't available through the ECU.) I'll still use data logging to verify the health of my tune. That doesn't change the fact that, for some people, it might be nice to see a tasteful virtual boost gauge displayed in the NAV unit.

By the way, try not being so abrasive in your posts. Your opinion isn't the only one that is valid here.

[BuzSTid]

Interesting development, while looking at the new D-Spec magazine i saw an article on the Blitz 08 STi (JDM). lo and behold it has a picture of the speedo, tach, and a few other gauges on the nav display in both analog and digital configurations.