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ahrs not seen by iFlyGPS #95
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Probably stratux side issue. The GDL90 AHRS format was made to work with Naviator and have not added to it since. Going to work on WingX compatibility first and the rest should follow. |
Tried contacting them and they're ignoring emails. See if you can get them interested in integrating. |
In one of their forums, I recall they said something about looking into On 10/30/2015 11:46 AM, cyoung wrote:
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I got this from Ifly today: Richard, Glad it is a benefit to you. The Stratux open source project is definitely something we are keeping an eye on, and due to our open nature we want to support it and its users. I have a couple of renditions here in the office and it's coming along way. We are going to begin working on the AHRS support. Do you have the AHRS is your's, if you have one yet? If you, you might be able to help use with some test log data. There are still some bugs before it is fully ready for primetime, but it's a great alternative that offers an awesome value. It is still needed to have the ADS-B out for Full Traffic as the Stratux is a In or receiver only. Thanks again and we thank you for your business and support. Fly Safe, Shane Woodson | VP Business Development |
Hey, someone was finally able to get through to them. I think the "Contact Us" on their website is broken. https://github.com/cyoung/stratux/blob/master/main/ry835ai.go#L496-L535 |
nope.. I just have the basic box and a single radio to play with at the moment. I dont get to do much flying since leaving the service.. not much work here for a retired spy plane pilot but my wife wanted to start a teaching career so thats how we ended up here. I was waiting to see what shook out of the tree during development as far as the ahrs hardware. this by far will be the hardest to get right, but it looks like there are several good possibilities and with the drone market taking off .. more by the day.
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It's been forwarded. Hopefully this will help get the AHRS going on Ifly. |
speaking of radios.. I was trying to tune my sdr.. it the newer version that you link but I think the crystal they use is very temperature unstable.. had a hard time pulling in noaa weather radio.. it would drift left and right of peak.. it needed +54 to get it close but it drifts.. I notice they make a + version with a more accurate crytal type.. its like 4 bucks more at $29 on amazon and even marketed as ADS-B.. I think this might be the goto radio.. since the nano get heat complaints and also has the cheaper oscillator \ looks like enclosing in in a metal case also helps with signal to noise ratios… thoughs
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Shane Do you activate the pi’s internal pulldowns on the i2c circuit? the GPS/IMU chip has pulldowns on board and if we use the internal pulldowns of the pi and are not adding more devices to the i2c bus it should be enough to keep the signal square… Why are they necessary/useful? So imagine the situation where you have a motor with a propellor on it, or one which controls Granny’s stairlift, which is switched on or off by a GPIO port. If that port is susceptible to random changes of state, the propellor might spin when it shouldn’t and hurt someone. Or Granny might be sent back upstairs when she wants to be downstairs. It’s an out-of-control situation. You can easily get it under control by using pull-up or pull-down resistors, so that’s what we do. What’s all this about internal ones then? But, in fact, the Raspberry Pi has built-in pull-up and pull-down resistors which can be enabled in software. The i²c ports have permanent, hardware pull-ups), but all the rest can be set/unset in software. This means we can eliminate our pull-down resistors for the button – as long as we enable the internal ones. (The circuit will still function without either, but may be unreliable.)
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I think I meant pull ups.. since the chip is designed for a pullup.. Activating internal pull-ups and pull-downs with WiringPi Activate pull-up
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Looks like Ifly realizes there is an opportunity here. I received this a few minutes ago. Rich, I've upped this on our priority list. With ForeFlight just cutting RasPi AHRS support, I want to jump on it and offer an option for users to come to. You would need to be on our latest beta found here. |
There is a specific code you can send to the specific pin for I2C to set On 12/16/2015 03:35 PM, duecedriver wrote:
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I've been working with Chris recently and we've added the new AHRS coding to our new beta v9.4.33b. It's very similar to another model we have, but we need a controlled test to be sure. I have a couple Stratux builds in office, but I'm currently waiting for an AHRS to arrive to add and test. You can download the latest iFly GPS beta from http://iflygps.com/androidbeta/ and our app comes with a free 30-day trial, but thereafter would need a VFR or IFR subscription. Weather, Traffic and GPS have been reported to work fine, we are just adding in the AHRS support. This new beta version has lots of new ADS-B improvements to Traffic display, Winds Aloft Flight Planning, Touch/Hold/Release Shortcuts, Stratux support in the Connected Devices and more. If someone with a Stratux AHRS model would like to perform a controlled test, that would be great. Connect the Stratux with this latest version of iFly GPS. Then touch Menu -> About -> Connected Devices -> and set the Wireless Devices to Stratux. Once you see data start to populate in the window, place the stratux on a flat surface and follow the below steps.
Now connect back to the internet and touch Menu -> About -> Send Bug Report -> Select Log and chose the AdsbRaw.bin file. Touch Select and send with a note "Stratux AHRS Test" at the top. With this test we should easily be able to confirm all is good for our production release. |
Just wanted to post an update. The next production release of iFly GPS will support Stratux with 978, 1090, GPS and AHRS. We've received several tests and the AHRS is working correctly. That said, there are some underlying accuracy bugs in the AHRS coding, but these are being worked on by Chris. |
Thanks guys I for one appreciate your support for the Stratux project. Do you have a timetable for this update release? Thank you,
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Absolutely, sorry it was not sooner. We’ll have a beta release out to support the Stratux and AHRS later this week. The v9.4 production version on iFly, iOS and Android is targeted for the end of the month. |
Looking forward to it and thanks again!! Rick Herbert
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I'm only one customer but your company's efforts re stratux is why I David Merchant On 01/13/2016 11:46 AM, iFly GPS by Adventure Pilot wrote:
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Without to much detail. We actually had confirmed support, just using another device setting, but were missing some aspects. I suspect it was lost in translation and received no response, maybe on the forum, etc. This is an internal project that I have prioritized, monitoring and have stressed the importance of supporting the Stratux project to our development team... Please don't take offense, it's been in the work for some time, but I just poured some fuel to it. Call it timing or an opportune time, if you will. |
Skypuppy you weren't alone; I also pinged iFly a time or two to support Stratux and I bet there were others. It's not an exact fit, but you could almost apply one of my favorite quotes here: "No single raindrop thinks it's responsible for the flood". |
I was referring to some very simple but very important questions related Skypuppy On 01/14/2016 11:02 AM, Nokomis449 wrote:
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I submit that this issue can be closed now, since AHRS is seen by iFly now. I just tried iFly 9.4.68 (the public release) with my new LEADIY-D3 AHRS module from LithuanianAmerican. Ground testing for now. (Tablet app of iFly on Android.) When I call up the Instrument Panel and the AI, AHRS is working. (Albeit I have to orient the board's y axis along nose of aircraft. Don't know if that's typical or if a silkscreen problem.) I put it in a bank and spun like an ice skater, trying to generate centripetal force. Hard to tell from hand holding. But it looks usable. We plan to fly Monday, so I should have video after that. In any event, the two are talking to each other, and that's what this issue was about. iFly has done their part and they are painting what Stratux sends. If there are remaining AHRS issues, that would be on the Stratux side. |
The ahrs isn't usable in flight at the moment so the issue you are seeing is not specific to iFly. -Robert
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@Ergonomicmike - Thanks! |
Using the 6050, iFly is not utilizing the AHRS in it's displayed instrumentation. I don't know if the disconnect is in iFly or in Stratux as the iFly people are VERY closed-mouth about their products engineering.
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