MultiWii

justk1w1

RC MAN
I actually have 2 hk250 and 3 hk450 running MWii using little 32u4 nano wii style boards .. tricky to setup but once they are then they fly great .. watch what version u use as the later have incresaed yaw which can be difficult

Cheers

justk1w1

Thanks for adding the debug fields to the graph - they have been really helpful in debugging the code changes.
Any chance of adding the servo controls - so that you can adjust the servo offsets. This would make life a lot easier when setting up or making changes to heli's in the field.

justk1w1

Ezio, Firstly thanks for adding the debug codes into the graph list - they have helped heaps. Just to add to the list of crashing problems, however I think this is more to do with the handling of the USB. I bought a On The Go USB cable and have tried to use the gui with a 3DR radio connected ( looki...

justk1w1

the patch mentioned by Copterrichie is really only related to the use of the sonar on the I2C_GPS. I also have seen the 3 errors, but as the errors don't accumulate past the initial startup then I discarded it as an issue - I assumed these errors are a timing issue between when MWC is ready and tryi...

justk1w1

Kenny - thanks for that - good pickup on the conditional statements, want the sonar data to come through no matter what the status of the GPS. I've actually replace the code in the I2C_gps to use a counter timer with overflow vector to stabalise the sonar output and also added code to accommodate ad...

justk1w1

copterrichie wrote:Sorry, but the same still applies. Hopefully Alex or someone will merge the code. If you post the code her, be sure to edit the first post by updating the subject line with [patch]

Thanks all - I have edited the original post and inserted the patched code.

justk1w1

Sebbi - thanks for that,

Not having the perfect world then what do we do?? Is there a method to submit code changes for review??

justk1w1

How do we get "bug fix" changes implemented??

justk1w1

Any chance of adding the debug counters to the selection of items to display in the graph?

justk1w1

Just been working with I2C_GPS and added a Srf04 sonar, but found that once the I2C_GPS_SONAR is enabled it generates a lot of I2C errors. There appears to be an error in that if it is enabled a i2c NAK is not sent to close the I2c before the sonar code tries to open the I2c again. The error is on l...

justk1w1

Setting up a new 32U4 board for a 450TT. At this stage I have been running with the A32U4_4_HW_PWM_SERVOS undefined. Started look at the changes required with this turned on and at this stage I can only work out the following rx inputs: #define PCINT_RX_BITS (1<<1),(1<<2),(1<<3),(1<<4) - portb 1-4 -...

justk1w1

Excellent - thanks guys - I'll try the r1469

justk1w1

Hamburger - what version of software are you running. I'm still using PatrickE's version which is well over 12 months old - would really like to get them back to the main release. The journey so far After months of agony and frustration I have finally got my 250 FBL up and running - had heaps of pro...

justk1w1

Finally managed to get it all worked out - The turnigy 9x outputs the pitch control on aux2 when set to standard heli mode and acts like a heli90. Now I can independantly set both the throttle and pitch curves ... Wow that was a struggle - sorry for all the stupid questions guys. The only hassle I h...

justk1w1

PatrikE Thanks for the reply - you are correct I have not setup a heli "properly" before - my last attempt was as usual a jump into the fire, which resulted in a lot of frustration and the reason I shelved it for 6 months - to go back to the basics and test, build and fly multirotors. I'm ...

justk1w1

Hamburger, I have setup the tx9 for 90 degree heli with the collective on aux 4 (ch8). I have then assigned aux 4 to a trim pot - this then gives me throttle control on the right hand stick (mode 1) and the collective control on the trim pot. I assume that this is the way that you have setup by the:...

justk1w1

Hamburger, Sorry for all the questions - but really keen to get a heli up with MWC. Thanks for your feedback - I have now made all the changes - had to switch to the Turnigy 9x as the Hitec 6 doesn't have a slider/dial control to control the pitch. Would it be better to have the throttle on the dial...

justk1w1

Trying to look for a way to reconfigure the board to allow for a second AUX channel. Unfortunately the d8 pin is not connected and the described aux 2 pin is connected to d12, which is used for the NICk servo - is it possible to swap the definitions in def.h for the SERVO_3..... and the SERVO_4... (...

justk1w1

@Hamburger, Thanks for that information - had a look through the config and just have a couple of ( probably really dumb ) questions about some of your settings: You have the COLLECTIVE_PITCH AUX2 //THROTTLE - I assume then that you have one of the variable dials on the transmitter set to aux2 and c...

justk1w1

PatrickE, Hamburger, After shelving the helicopter for 6 months - busy playing with multirotors - I'm now back to trying to get a 450 stable and in the air. Been reading back through all the information in this forum and was wondering if you guys could provide examples of your config setups. I'm att...

justk1w1

All, Just posted a video up on a couple of changes that I have made to the rushduino OSD code. I have added multi camera switching support and also added a sonar array. You can switch between the standard OSD and the sonar array display. The distances displayed are in cm and the length of the line r...

justk1w1

Going to look into getting boards made up. Anyone got any suggestion to where the best place is. What sort of additional features would everyone want. Going to look to use a Mega 1280 or 2560. Its going to have to be pretty cheap though as u can get a Mega for about $20 and Max Breakout for not much...

justk1w1

Just adding a link to my previous post http://youtu.be/qW-f77AZSTg Hey Jkiwi, looks good. Very good job, and seems that we have no more glitches on screen. Did you solved with vsyc interrupt refres screen ? About N and W at side of GPS coord are they received from MWii serial protocol or are a simp...

justk1w1

Just adding a link to my previous post
http://youtu.be/qW-f77AZSTg

justk1w1

An update on what I have been doing with the OSD. Firstly I found the more that I dug into the code the more I found I needed to change, hence it has taken a little longer to achieve what I wanted to achieve. As A short list I have made the following changes: 1. changed the EEPROM proceedure so that...

justk1w1

yeahiii, As a quick look through the code I think that the routines that you have for the read of the data could be the problem. There is an error in the read16() int read16() {return (inBuffer[p++]&0xff) + ((inBuffer[p++])<<8); } should be: int read16() {return (inBuffer[p++]&0xff) + ((inBu...

justk1w1

Had a similar issue and found that the issue is with the eeprom variables not being initialised with a clean build. I modified the code to initialise the eeprom if the values weren't present and all seems to be working fine now. Yes... this is more what I was thinking on. If it is working for you, ...

justk1w1

Just noticed the activity going on with the RUSHDUINO OSD code so thought I mention: I'm in the process of rewriting quite a bit of the code : the MAX7456 code to make it a little more efficient - look to add updates to the display on VSYNC interrupt, completed an update of the config screens to get...

justk1w1

Had a similar issue and found that the issue is with the eeprom variables not being initialised with a clean build. I modified the code to initialise the eeprom if the values weren't present and all seems to be working fine now.

justk1w1

As per the standard, but if you set the axis as described in the connecting elements the it ends up 180 degree out. I ended up changing the axis to get the heading correct and correct rotation. I was more pointing out the description about the difference in the expected axis direction between the no...

justk1w1

Just found this that my answer some of the issues - can this be added to the connecting elements section - good explanation on the differences between the northern and southern hemispheres for calibrating the magnetron
http://paparazzi.enac.fr/wiki/ImuCalibr ... gnetometer.

justk1w1

Make sure that you have a common earth between the Multiwii Flight controller and the ESC, otherwise the output from the Arduino FC is just really floating in relation to the ESC. It can be extremely dangerous to connect the wrong supply to the wrong pin's especially when deal with LiPo batteries as...

justk1w1

After you have checked the settings as above, make sure that you set the Mag Declination in the config.h file. Also make sure that you are not close to any major magnetic influences ( monitors, TV, power supplied, etc).

justk1w1

Mag declination for Melbourne Australia is 11.3 - all set .. this should only effect a small heading variance to magnetic north .. not a full blown 180 degree?

justk1w1

CopterRichie: Thank you for all your help - much appreciated. All airbourne now, which was the main task - the control seems to be pretty good and not getting any oscillation in pitch. I had to configure the PITCH Sensor orientation so that both ACC and Gyro provide a negative result when the copter...

justk1w1

In multiwii config screen under the real time data .. when you pitch Mollie forward what response do you see. I.e. gyro pitch and acc pitch go positive or negative. I seem to have things working in roll and yaw, but if you could kindly confirm these actions also. The setup for the bicopter is heaps ...

justk1w1

Using a 10dof multiwii board which has itg3205 and bma180 .. just really need to know when u pitch forward what direction is output from both. I.e. pitch forward gyro acc and mag positive on multiwii GUI.

What rotations do you have I.e. left CCw right cw.

Thanks

justk1w1

Done all of this - however each time I seem to get at least 1 of the mag directions opposite. Now setup another small quad and a bicopter with same results - silly question but does being in southern hemisphere make and diff to the expected results and therefore make the heading wrong. I can make th...

justk1w1

Managed to swap over to MW2.1 but having trouble trying to determine correct sensor orientation - any chance u can post the expected directions for pitch for gyro, acc and mag. If I set them as per the multiwii setup document pitch seems to go into oscillations. If I reverse gyro and acc for pitch t...

justk1w1

Excellent - thank you very much for that. I'll look to get the Master Air screws. Been looking over Gary's info as well and learning a heap. When you say that it's impossible to fly without a acc - do you fly in level mode all the time?? Are there any specific settings for the PID's for Pitch?? I ke...

justk1w1

First off - really impressive and nice and stable. Just in the process of finishing the build of a test Bicopter (OAT config)- things are a little rough, but I'm more testing the build before actually creating something a little more precise. I tried to setup a FAAT bicopter with a KK board ( really...

justk1w1

My understanding of the axis for both the Gyro and the ACC (correct me if this is wrong) but both measure the relative force (amount or rate) exerted on all three axis the gyro measures the rate and the acc the acceleration. There is not specific XYZ, however when the two are combined on the same pl...

justk1w1

Don't think that there is a function, but in config.h you can change some of the parameters for the TX - this is in the basic setup section

justk1w1

Steve,

Do you not have control or when you use the stick the quad just keeps tilting in that direction? Have you confirmed the orientation of the sensor board? check the sensor axis as per:
http://www.multiwii.com/wiki/index.php? ... rientation.

justk1w1

dr3x,

The best way is to hookup the RX so that you have atleast a bit of control over quad - Remember to do all this sort of the setup without the props on.

justk1w1

Alobidat, Been through a couple of these problems: 1. Acc Crazy? Not sure how you have connected the Sensor board and whether you are using the I2C Gps, but I found that I had to put a level converter on the I2C bus to ensure the stability of the bus. I'm actually using the Mega and a I2c GPS (leost...

justk1w1

Bill516,

Now that I have been through a lot of the issues with the sensor orientation I have found a excellent write up here:
http://www.multiwii.com/wiki/index.php? ... rientation
This gives the reactions that you should see when the craft is moved through the various axis.

Cheers
JustK1w1

justk1w1

Bill516, Thanks for that - I have been through all the setup and set the orientation so that it is as stated in the "Connecting elements section of the doco". With the orientation so that all the sensors act as required then I end up with a heading that is 180 degree out. If I reverse any ...

justk1w1

Hi All, Just spent the last couple of days trying to sort out an issue with the heading being 180 degrees out. I'm using a 10DOF Chinese board with ITG3200, BMA020, BMP085 and a HMC5883L connected to a MEGA2560 and running Multiwii 2.1. The sensors are defined in the independent sensor section of co...

justk1w1

Mis,

Can you please provide a link or tell me where I can find your fail safe code.

Thanks

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