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[Paparazzi-devel] Fwd: Eagletree Airspeed V3 on KroozSD

From: Pascal Fust
Subject: [Paparazzi-devel] Fwd: Eagletree Airspeed V3 on KroozSD
Date: Sun, 5 Jul 2015 11:15:22 +0200


although several entries have been written in this forum on this topic, I am still struggelling in getting the ETS-sensor to run repeatedly on I2C3 on my KroozSD. The sensor simply states a constant zero-value after a power-up without an upload of the firmware. Straight after a firmware upload, I'm getting acceptable values in the message toolbox. Even applying the delay as suggested with up to 4 secs didn't solve my problem.
One thing I noted in the message tool: when everything works fine (just after the firmware upload), I got two "folders" in the telemetry section - the AIRSPEED and the ETS_AIRSPEED. However, after a subsequent power-up, the ETS_AIRSPEED don't appear anymore.
What am I doing wrong here?

The Wiki states a different parametrizing of the ETS, if not connected to the I2C0. Since the KroozSD has no I2C0, I selected the I2C3. Where is the reason for an adaptation of the scales and offsets if connected differently, and what values will I need to apply on the I2C3?

My complete firmware file is attached, but the ETS section looks as follows:

   <load name="airspeed_ets.xml">                        
       <define name="AIRSPEED_ETS_I2C_DEV" value="i2c3"/>
       <define name="AIRSPEED_ETS_START_DELAY" value="1"/>
       <define name="USE_AIRSPEED_ETS" value="TRUE"/>     
       <define name="AIRSPEED_ETS_SCALE"   value="1.8"/>   
       <define name="AIRSPEED_ETS_OFFSET"  value="0"/>    
       <define name="AIRSPEED_ETS_SYNC_SEND"/>             

  <firmware name="fixedwing">
    <target name="ap" board="krooz_sd">                     
       <configure name="FLASH_MODE" value="DFU"/>
    <target name="sim" board="pc"/>                         
      <define name="USE_I2C3"/>                    
      <define name="USE_AIRSPEED"/>          

Thanks for your help.

Cheers, Pascal

Attachment: my_krooz_sd_fixWing_config_ap4.xml
Description: Text Data

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