MultiWii

rbirdie001

Hi guys, loaded new 130322 version and waiting for better weather (here still snowing, windy and freezy hopefully at Eastern weather may improve...). I don't understand very well what that option should do: #define RTH_BAILOUT true // Forced RTH Climbout with Level Wings Can someone explain in other...

rbirdie001

Hi all! @dr.tom, I had also the idea that check speed at least for maximum allowed would be fine, but it's true that speed reading is really so much dependent on the wind, that it's not safe enough. I think that for protecting plane in cases that RTH is activated at high speed could help simple &quo...

rbirdie001

Hi! First I'd like to correct myself: my reading of Patrik's altitude control code was probably wrong (I've just started learning C language) so I missed that lines I pointed out were just "correcting" lines and main calculation for elevator should be executed always. I anyway still think ...

rbirdie001

Hi Andrej, I again watched your videos, now I understand better the flight situations. I see generally that once the plane gets to fast descending, it usually doesn't want to recover from it. I think that this is not due to GPS lag because numbers shown on the OSD are coming also from the GPS (proba...

rbirdie001

Thanks Andrej,
sorry, I don't know layout of minim OSD, I use Remzibi with my own simplified layout (see my video in previous post).
I'll watch again your video and see if it will now explain something to me...
Roman

rbirdie001

Hi Patrik and Andrej, testing results are really interesting but for my thinking about it I still miss some anwers about the expected behaviour of RTH algoritm. Most info I'm getting from here: Stage 1 Start to navigate. CLIMBTHROTTLE & GPS_MAXCLIMB untill plane reached GPS_ALT_HOLD Stage 2 Navi...

rbirdie001

Enable SAFETY_SWITCH AUX4 and run throttle in passthru. If you dont have AUX4 It's probably outputting 1500µs and block will AutoThrottle. Do I understand well, that I should use the same switch as for passthru (in my case AUX1)? Then if that switch is on HIGH and throttle in LOW , MWC will arm ? E...

rbirdie001

Hi Guys, as promised I posted short video showing results of RTH testing yesterday. Here it is: m Hear also sound of engine, servos and the wind, it's interesting! As I already wrote, RTH itself works fine, but when home is reached, for short time engine slows down, but then speeds up again and plan...

rbirdie001

Hi guys! also here was today good day for testing! I finally tested my Easystar II with navigation (about 10 flights) and it quite WORKS!!! just there is a BUT : I have problems with height/speed/engine control - maybe similar to Crashlander's friend plane. After activating RTH plane makes always ni...

rbirdie001

Hi Patrik, just loaded newest version into my plane, GPS blinking (on A2 ) OK, after setting home and activating RTH motor started so everything looks ready, but tomorrow we should have -6 degrees and 7m/s wind. I'm very keen for flying, but probably I'll wait for this weekend - should be warmer and...

rbirdie001

Hi Roman, First goal is to get a Confirmed workin RTH. Atm i only know about 1 more person besides me who have tested it. If the Norwegian metheorologists are right you should have after this weekend another report... You can find and Comment this code in MultiWii.ino as a start. if (GPS_distanceTo...

rbirdie001

@Roman, Maby it could look like this for ProMini in config?. #define GPS_LED_INDICATOR A6 I can add it in my Beta version. Hi Patrik, you are so nice that you think of me but I ment little more serious things than LED (even despite all advices from you and Sebbi this indicator doesn't work on A6,A7...

rbirdie001

Hi! Thanks for your work, the video really looks great! I'm really curious when the weather (and family ) allows me to do some testing. Tell me how is possible that in Sweden you had so nice day when I had here about a thousand kilometers south icy wind and snowing . Anyway I'm still fidling with LE...

rbirdie001

Because after a "demo" spring day on this Sunday again came freeze and snow I keep on with "theoretical" preparations about RTH testing so here is few of my thoughts and also questions: Hi. My Theory of how Rth for plane should work. Stage 1 Start to navigate. CLIMBTHROTTLE &...

rbirdie001

You seem to use a Leonardo (32u4) Arduino, correct? From the documentation (m) A6 - A11 correspond to digital pins 4,6,8,9,10 and 12 which are on PORTB and PORTD (see m). A working, but slower way to switch on/off Arduino pins is by using the Arduino functions. So the code would become: #define STA...

rbirdie001

To use A2 as GPS_LED_INDICATOR You can insert this in your def.. #define STABLEPIN_PINMODE pinMode (A2, OUTPUT); #define STABLEPIN_ON PORTC |= (1<<2); #define STABLEPIN_OFF PORTC &= ~(1<<2); Patrik, thanks for explaining, I tested this and it works so I hope that my plane soon will be "RTF...

rbirdie001

Hi Patrik, I noticed that you noticed that GPS_PROMINI_SERIAL is some way not working or at least not signalling properly in MWC 2.2 and related builds. I just tested fresh 2.2 and it still not work, unfortunately your last fixed wing nav. build from 3.3.2013 is based on MWC 2.2 so it doesn't work n...

rbirdie001

Hi! I already asked the same question in "2.2 is coming" but now I have the same problem with fresh 2.2 release so I'll try to ask again: I tried to use GPS_PROMINI_SERIAL (autosense of GPS on 328p the only serial) but it seems not to work. At least I'm not getting any blinking info about ...

rbirdie001

scanman wrote: I am using AI1Pro board, HK Turnigy plush ESc's (stock firmware) and HK Turnigy 950kv motors on a tri copter. I dont have the arming problem, but the Tri-copter flies very jerky, almost like flying in a very strong wind. It is definitely this build because i went back to version r131...

rbirdie001

Hi! Either I missed something or there is a bug in 2.2 pre (r1360). I tried to use GPS_PROMINI_SERIAL (autosense of GPS on 328p the only serial) but it seems not to work. At least I'm not getting any blinking info about the GPS data reception, unfortunately I don't have any external display and GUI ...

rbirdie001

Thanks, I'll step by step try things above. I'm curious how will RTH work. Problem which I have with ROLL isn't typical I term wind up, it's different: If there is outside influence (wind, thermals) to ROLL axis causing unballancing and tilting the plane, for some time e.g. 0.5 sec nothing happens -...

rbirdie001

Hi Roman, I found the cause of the glitches. I'we missed a change in struture in the code when i merged it... Thats the risk when it's not meged to the project! ... A warning about FAILSAFE.. Make shure all channels on TX keeps wihin normal range. 1000 - 2000. Otherwise FAILSAFE will be activated. ...

rbirdie001

Hi Patrik, I just uploaded that version into my board for plane control and with selected only MPU6050 it compiles OK with about 27kB of size, but unfortunately the throttle reading problem is still there (pure r1356 reads it OK.) You can see the problem captured on that video: m I'm attaching my co...

rbirdie001

Hi! I just loaded this http://www.multiwii.com/forum/viewtopic.php?f=7&t=2456&start=30#p29962 fixed wing navigation version into Crius lite 1.0 board to be ready for testing when the weather improves, but I have problem that software wrongly reads throttle channel from the RX. I'm using 35MH...

rbirdie001

Hi! I'm unable to compile 2.2 pre if I set in config.h Airplane. I'm getting these errors: MultiWii.cpp: In function 'void servos2Neutral()': MultiWii:845: error: 'i' was not declared in this scope Maybe there is some change in necessary default settings which I missed but at a time I didn't find wh...

rbirdie001

Hi! I just got my Crius Lite board and completed Multiplex Easystar to put it in. Still very cold here in Czech, but soon should improve. I'm planning upload fixed wing navigation software into the board and when weather allows to do some tests with it. Newest FW navig software I found is from 26.1....

rbirdie001

Hi, probably already reported, but for sure: I can't make SERVO_MIX_TILT working on 2.2 pre. I tried to comment //#define TILT_PITCH_AUX_CH AUX3 and //#define TILT_ROLL_AUX_CH AUX4 but still not work. Pure 2.2 pre, no patches. Additional question: Is the MIXING of CAM stabilization with the AUX chan...

rbirdie001

Hi. Baro is not used in airplane. Only Gps altitude. If there's a mag it's used at small tilt angles otherwise Gps is used. Mandatory for navigation is. Gyro, Acc & Gps. Thanks! I already ordered all-in-one board so I should have also MAG and BARO anyway. Do I understand that also heading hold ...

rbirdie001

Hi! I'm finally building airplane suitable for autonomous flying - until now I tested Multiwii only for stabilization. I'd like to know if: 1) Baro is used in airplane mode and therefore altitude hold should work? 2) For (BETA) fixed wing GPS navigation a magnetometer is needed or not. Spring is clo...

rbirdie001

I'm trying the dev version r1317 because it has integrate GPS on serial port, suitable for the Crius All in one pro board - by the way the pos hold and baro hold are so good on this version. The problem i have is if i include the #define FAILSAFE option then the board doesnt work properly, it will ...

rbirdie001

most often problems with the vastly improved failsafe stem from endpoints not set properly in the tx. Unwanted values below 1000 or above 2000 are detected way better than before; requires user setting endpoints though. You were right, Hamburger, thanks! I didn't know that now it's too sensitive no...

rbirdie001

Seems to be really bug in failsafe function of r1311! I found that this problem is caused when I uncomment failsafe. If commented, RC pulses are readed OK. On 2.1 it worked fine. For descriprion please see my yesterday's post. Can please someone check that? If it's really a bug, it should be correct...

rbirdie001

Hi Guys, I loaded r1311 to the tricopter with the Crius SE board and regular Spectrum RX (connected with 6 lines to separate RC inputs D2, D4, D5...) With 2.1 it worked perfectly but with r1311 is reading of RC signals some way lagy, sometimes stucks for a while and especially throttle channnel reac...

rbirdie001

Hi all! I didn't find better thread for such question so I'm trying this one: I built second tricopter for the fun and wanted to use for it some older sensors from the drawer. I wanted to use ITG3205 + standalone NUNCHAK as I2C device (I remember this config worked sometimes at 1.8 or 1.9 versions w...

rbirdie001

Patrick, I'm also observing fixed wing RTH with big interest and thank you for your work on the MWC airplane mode! My problem is that I'm not able to code or doing any bigger corrections in it so I need quite "pre-cooked" solution. If you can post actual version with some comments helping ...

rbirdie001

Hi all, it seems to be quite silent here... Whole summer passed so many tests with plane navigation must have been done from the last post. How were the results with the plane RTH? I just installed MultiWii stabilisation into one of my planes (thanks to all, namely Patrick)- seems to stabilize very ...

rbirdie001

Hi! I did comparation inflight test between GPS and BARO altitude measurement and it again confirmed that GPS really can't be used (for anything including altitude hold). My goal was to see on OSD during FPV how high I'm in reality because I still have problems to guess it from the video and GPS mea...

rbirdie001

I'm just fiddling with useful height measurement for my OSD and must say that GPS height values are really bad for that. Even with 9-10 satellites in view are results on a multicopter not acurate and some way very slow. I leave my GPS (MT3329) for some minutes on the ground to get 8+ satelites, then...

rbirdie001

@Sebbi: Thanks for the idea! (Anyway I'd like to know if the "D" value in alt hold is really "D" term or something else.) @Crashpilot1000 - you are right, but please remember that MWC is a free project so you can't complain that people in their free time do what they like to have...

rbirdie001

I'm still trying to tune alt hold in 2.1 for my tricopter and can't get rid of "pumping" of altitude within 1-2 meters. Of course I know that the code isn't perfect yet for this feature, but others multicopters I saw on the YT perform AH much better than my so maybe I'm doing something wro...

rbirdie001

Wow! The same feeling like in previous post. Big thanks to all developers! Loaded into my tricopter (800kV Motors, 10x4.7 props, about 1 kg AUW, Crius SE board, I2C GPS) little PID tunning and flies just great! Much improved "calmness" in level mode and position hold is incredible - in cal...

rbirdie001

Just found this project and looks very interesting! I want to test it! Guys, can you tell me where I can get PCB board for Rushduino? I can quite well solder and ISP program Atmel but have limited money so I prefer either an empty board or just the basic kit. Is it available? Where? I'm even able to...

rbirdie001

thanks Hamburger, from your post I understood that there is some way accessing advanced parameters using smartphone... As I have one (at least one smart ) I'll try to read more about it and use it. (Direct link could save me time...Thanks!). About 168 - I agree with you and it's already a "reti...

rbirdie001

Pro Mini 168 5V 16MHz. I used exactly the same source and settings, only 168 or 328.
Roman

rbirdie001

I'm trying to compile MultiWii_dev_20120528 for flying wing stabilization and I want to use "old" Pro Mini 168 board+WMP for that. With attached config it compiles for 168 board without error saying "Binary sketch size: 14252 bytes (of a 14336 byte maximum)" but then doesn't work...

rbirdie001

Hi Guys, maybe not exactly the right thread but this one seems to live and my question is quite related... I just added MultiWii stabilization to my flying wing (1,2m wingspan, 800g) and it works almost perfectly but... I use 1.9 because I had only Arduino168 in the drawer and this is the last one w...

rbirdie001

Completely different question about 20120522: I just tried to compile it for flying wing setup and wanted to upload to ProMini 168 which I have reserved for that "small" use but even I disabled all unnecessary, code size is little over 16K so it doesn't fit to 168. Is there any chance to r...

rbirdie001

I personally would vote for bigger window, but if too many people have problem with it, I'd recommend tab system: 1st tab for basic functions approximately like GUI now and 2nd tab for advanced and new functions. Another possible splitting would be: one tab for settings and the other for readout of ...

rbirdie001

Hi to all, especially EOSBandi, few observations and questions after flashing r33. I have tricopter with Crius SE board and I2C GPS (Mediatek 10Hz module on the arduino). Previously running MWC 2.0 and I2C GPS initial version (slightly modified to send GPS configuration strings) without problems. I ...

rbirdie001

Hi EOSBandi,
nice to see you back and thanks for your great work!
I'm another one who can't wait for testing of new navigation functions but having 328 based FC and separate I2C GPS board I have to wait for I2C version

.
So +1 for it

!
Roman

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