Replies to This Discussion

Permalink Reply by luca on January 2, 2012 at 1:28pm

Hi Tassos!!!! You're my only hope!!! I have an ardupilot and a em-406 gps, no shield. I have also a FMA copilot, but for now i'd like to test it only with gps, on a rover or on a plane, even on the ground for testing the rudder movement. Can i upload the last version of ardupilot (2.7.1)?

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Permalink Reply by Tassos Polichronopoulos on January 2, 2012 at 1:34pm

Steve : wise choice, going for the APM 2 will make things easier.

Luca : upload the 2.7.1 and also d/l the config tool global. and we start from there

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Permalink Reply by luca on January 2, 2012 at 1:37pm

ok, i'll do it!!!!! On the back of the board i have to solder 1 or 2 wires? in some guide i've seen only 1 wire

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Permalink Reply by Tassos Polichronopoulos on January 2, 2012 at 1:40pm

2 wires as on the wiki the one cable was the old method

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Permalink Reply by luca on January 2, 2012 at 4:36pm

Ok, done. 2 wires soldered. 2.7.1 loaded. In config.h i've changed position3 from fly by wire to auto (i'm using an hitec optic 6, 2 switch position, toggle between position 1 and 3). This in the line that i suppose i must modify... #define SHIELD_VERSION    -1 (no shield), #define AIRSPEED_SENSOR 0, #define GPS_PROTOCOL 1 (em-406), #define ENABLE_Z_SENSOR 0. For now i'm on the right way?!?! ps very VERY thanks!

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Permalink Reply by luca on January 3, 2012 at 6:17am

Now, after few minutes (indoor, in my house!!) i've got a solid blue led and red blink on em-406, on debug of gps out i can see the right lat.long. red power led on, other led of. if i move the switch on position 3, go in auto mode and red mux led goes on. All ok for now?!

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Permalink Reply by luca on January 3, 2012 at 3:16pm

i need the bind plug for test only with gps module? I NEED INPUT!!!! (tribute to johnny 5...you know?!)

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Permalink Reply by luca on January 15, 2012 at 8:37am

ok, i think that with 2.7 no more need the bind plug, right? so.... from the config file i setup no shield, gps work fine, from the debug i see the distance from waypoint that i loaded increase/decrease as i approach the point... but i don't see some significant movement on the rudder servo!!! why!?!?! how can i understand the problem?? please help me tassos!!!

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Permalink Reply by DaveyWaveyBunsenBurner on January 15, 2012 at 3:19pm

Hi,

You will need either the FMA thermopiles or ArduIMU v2 to fly this thing. Try increasing Nav_Roll_P to increase response.

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Permalink Reply by luca on January 15, 2012 at 3:50pm

Ok, i'll check this!!!! I have also an FMA, but for now i'd like to test it only with gps and on the ground, just to verify the correct work of the rudder servo, it's possible? just like on a rc car.... or on a plane but on the ground!!

thanks!!!!!!!!!!

Permalink Reply by DaveyWaveyBunsenBurner on January 16, 2012 at 12:47am

That's the point though.

You are using (I believe) a totally unsupported configuration (no FMA or IMU). so how do you know the rudder would work without these? What if the code is waiting for an input from one of these? What happens if you don"t get it? Best to stick to expeted configurations.

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Permalink Reply by luca on January 16, 2012 at 9:41am

It's no possible to test only with gps, no stabilization? FMA it's used for stabilization, right?

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