hello evrybody,
I have work on a work arround :
If I create an hocto (with only 6 real motor), with the ADDR order
0x5E real DUMMY
Ox52,054....0x5A real motor
0x60 DUMMY2....
...****************see the email end to have the complet motor section...
The six motors run correctly (trust test only actualy).
If I change the motor order by the real order I need :
<define name="ADDR" value="{ 0x5E, 0x5A, 0x5C, 0x58, 0x52, 0x56, 0x54,
0x60 }"/>
The motors 0x58 and 0x56 don't start......
I config back to 52-->5C, and I continu the work arround, I fix the motor
mixing to correct order
<define name="ROLL_COEF" value="{0,0,+221,+221,-221,0,-221,0}"/>
<define name="PITCH_COEF" value="{0, -256,-221,+221,+221,+256,-221
, 0}"/>
<define name="YAW_COEF" value="{0, -256, -256, +256, +256,
+256, -256, 0 }"/>
<define name="THRUST_COEF" value="{256, +256, +256, +256, +256,
+256, +256, 256 }"/>
The 6 motors start correctly, I will verify the body to IMU.... and try to
fly tomorow... I will back to you..
Any idea?
Eric
<subsystem name="motor_mixing"/>
<define name="ACTUATORS_START_DELAY" value="10"/>
<subsystem name="actuators" type="mkk"/>
<define name="I2C_TRANSACTION_QUEUE_LEN" value="10"/>
</firmware>
<!-- *********************************************************** -->
<!-- *********************************************************** -->
<!-- Adresse variateurs MKK -->
<section name="ACTUATORS_MKK" prefix="ACTUATORS_MKK_">
<define name="NB" value="8"/>
<define name="ADDR" value="{ 0x5E, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c,
0x60 }"/>
</section>
<!-- *********************************************************** -->
<!-- *********************************************************** -->
<!-- Configuration des moteurs -->
<!--<servos min="0" neutral="0" max="0xff">-->
<servos driver="Mkk">
<servo name="DUMMY" no="1" min="0" neutral="30" max="255"/>
<servo name="FRONT" no="2" min="0" neutral="30" max="255"/>
<servo name="FrontR" no="3" min="0" neutral="30" max="255"/>
<servo name="BackR" no="4" min="0" neutral="30" max="255"/>
<servo name="BACK" no="5" min="0" neutral="30" max="255"/>
<servo name="BackL" no="6" min="0" neutral="30" max="255"/>
<servo name="FrontL" no="7" min="0" neutral="30" max="255"/>
<servo name="DUMMY2" no="8" min="0" neutral="30" max="255"/>
</servos>
<section name="ACTUATORS_MKK" prefix="ACTUATORS_MKK_">
<define name="NB" value="8"/>
<define name="ADDR" value="{ 0x5E, 0x5A, 0x5C, 0x58, 0x52, 0x56, 0x54,
0x60 }"/>
</section>
Le 15/03/2013 10:24, Eric BAHIER a écrit :
hi felix,
It is fun, on protocole analyzer, I can see the six commande, the first
motor still ZERO, the five are OK..
I have a big free time between two frame.
If I change the order of the motor the 1 still out (the trame is made in
the order of the adress has been write in the airframe.xml)
In the hexa file I have test with this value.... nothing better...
<define name="ACTUATORS_START_DELAY" value="10"/>
<define name="I2C_TRANSACTION_QUEUE_LEN" value="10"/>
I will try to find 15minutes to try to workaround, I will create a 7th
motor, fit in first.....with esc and motor....I will do it today, or on
monday....
thanks,
Eric
Le 14/03/2013 23:27, Felix Ruess a écrit :
Hi,
Eric, you might want (or need) to increase the I2C_TRANSACTION_QUEUE_LEN
from 8 to some higher value.
Also the I2C speed might need to be increased if not all commands can be
sent in one cycle.
Regardless of that, it makes sense to remember to which motor the last
command was sent if i2c_submit fails to add it to the queue like Sergei did.
Just for to make sure...
Pull request/patches would be welcome ;-)
Cheers, Felix
On Thu, Mar 14, 2013 at 12:29 PM, Eric BAHIER <address@hidden>wrote:
Hi,
I look your link, the software see the 6 motors, but does not give
correct data to the first on
the 6 motors are present on the I2C bus, and the data for the first still
on zero...
My feeling it is not an I2C problem, a "motor mixing" bug , "motor
mixing" forgot to "make" the data for the first motor on hexa machine.
Probably, the bug is in my airframe file..... I am my first
buggenerator....
regards,
ERic
Le 14/03/2013 11:46, Sergey Krukowski a écrit :
Hi Eric!
Check this out:
https://github.com/softsr/paparazzi/blob/krooz_port/sw/airborne/subsystems/actuators/actuators_mkk.c#L58
Will probably help you.
Regards,
Sergey
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34 980 Montferrier sur LEZ
France
Tel : 33 4 67 59 92 53
Fax : 33 9 59 15 92 53
************************************
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15 chemin neuf
34 980 Montferrier sur LEZ
France
Tel : 33 4 67 59 92 53
Fax : 33 9 59 15 92 53
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