Re: [Paparazzi-devel] Airspeed sensor on Lisa/L

[Felix Ruess]

Hi Jochen,

I'm sorry, I don't know...
Is there some code and config to read the differential pressure sensor
on Lisa/L??

Cheers, Felix

On Thu, Dec 15, 2011 at 4:39 PM, Jochen Rieger <address@hidden> wrote:
> Ok, thanks. But which .xml is the right one for my config?
>
> -Jochen
>
>
> 2011/12/15 Felix Ruess <address@hidden>
>>
>> Hi Jochen,
>>
>> the airspeed_ets.xml module is for the EagleTreeSystems airspeed
>> sensor and won't work with the diff pressure sensor on Lisa/L.
>> http://paparazzi.enac.fr/wiki/Airspeed_sensor
>>
>> Cheers, Felix
>>
>> On Thu, Dec 15, 2011 at 4:19 PM, Jochen Rieger <address@hidden>
>> wrote:
>> > Hello, I am try to measure the airspeed sensor + use for airspeed
>> > control
>> > loop. During reading the wiki, the forum and the paparazzi code.
>> > There are some different modules and defines.
>> >
>> > I have a Lisa/L with the onboard baros, MPXV5004DP and MPXH6115A.
>> >
>> > I tested this (from wiki):
>> >
>> > <modules>
>> > <load name="airspeed_ets.xml">
>> >      <define name="AIRSPEED_ETS_SCALE"   value="1.8"/>
>> >      <define name="AIRSPEED_ETS_OFFSET"  value="0"/>
>> >      <define name="AIRSPEED_ETS_I2C_DEV" value="i2c2"/>
>> >     </load>
>> > </modules>
>> >
>> > <firmware name="fixedwing">
>> >
>> >     <target name="ap" board="lisa_l_1.1">
>> >       <define name="STRONG_WIND"/>
>> >       <define name="WIND_INFO"/>
>> >       <define name="WIND_INFO_RET"/>
>> >       <define name="USE_I2C2"/>
>> >       <define name="USE_AIRSPEED"/>
>> >       <define name="SENSOR_SYNC_SEND"/>
>> >
>> > <section name="VERTICAL CONTROL" prefix="V_CTL_">
>> >                                   <!-- ***Airspeed*** -->
>> >    <define name="AUTO_AIRSPEED_SETPOINT" value="13.0" unit="m/s"/>
>> >    <define name="AUTO_AIRSPEED_PGAIN" value="0.060"/>
>> >    <define name="AUTO_AIRSPEED_IGAIN" value="0.050"/>
>> >
>> >    <define name="AUTO_GROUNDSPEED_SETPOINT" value="7.0" unit="m/s"/>
>> >    <define name="AUTO_GROUNDSPEED_PGAIN" value="0.75"/>
>> >    <define name="AUTO_GROUNDSPEED_IGAIN" value="0.25"/>
>> >
>> >    <define name="AUTO_PITCH_PGAIN" value="-0.125"/>
>> >    <define name="AUTO_PITCH_IGAIN" value="0.025"/>
>> >    <define name="AUTO_PITCH_MAX_PITCH" value="RadOfDeg(25)"/>
>> >    <define name="AUTO_PITCH_MIN_PITCH" value="RadOfDeg(-25)"/>
>> >
>> > </section>
>> >
>> > After compiling and flashing, the massage in the gcs will be shown. But
>> > It
>> > seems that the values are incorrect.
>> >
>> > From up to down :     12.   13.    13.    7.
>> >
>> > And they dont change after blowing at the baros.
>> >
>> > Are they so insensitive that they nothing change or is there a mistake
>> > in
>> > the airframe file?
>> > Which values should be ca. e.g. are shown?
>> >
>> > Best regards.
>> > Jochen
>> >
>> >
>> > _______________________________________________
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>> > address@hidden
>> > https://lists.nongnu.org/mailman/listinfo/paparazzi-devel
>> >
>>
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