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Re: [Paparazzi-devel] Sensirion SHT75 on APOGEE

From: Martin Mueller
Subject: Re: [Paparazzi-devel] Sensirion SHT75 on APOGEE
Date: Fri, 16 May 2014 23:01:23 +0200
User-agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.5.0


the SHT75 driver would need some changes to work with any non-LPC based autopilot. It uses the LPCs GPIO registers directly in humid_sht.h as the SHT75 only supports a proprietary serial protocol, close but not exactly I2C. You can use the SHT25 which is genuine I2C.


On 05/16/2014 09:55 AM, Gautier Hattenberger wrote:

This module is only for LPC based boards (umarim, tiny). You can try to
use humid_sht_i2c.xml which seems to be for SHT25, no idea if it also
works on SHT75.


Le 16/05/2014 09:00, Andreas Philipp a écrit :

Dear list,

trying to compile an air frame file for the APOGEE including the
module humid_sht.xml (for the Sensirion SHT75 humidity and temperature
sensor described at like this:

   <load name="humid_sht.xml"/>

<firmware name="fixedwing">
    <target name="sim" board="pc"/>
    <target name="ap" board="apogee_1.0_chibios"/>


ends in:

Compiling humid_sht.c
modules/meteo/humid_sht.c:10:21: fatal error: LPC21xx.h: No such file
or directory
 #include "LPC21xx.h"
compilation terminated.
make[1]: ***
Error 1
make[1]: Leaving directory `/home/philipan/paparazzi/sw/airborne'
make: *** [ap.compile] Error 2
make: Leaving directory `/home/philipan/paparazzi'

FAILED 'make -C /home/philipan/paparazzi -f
AIRCRAFT=es_apogee ap.compile' with code 2

Please find the air-frame file and the complete compile log in the
attachments. It seems it uses special files for boards with the LPC21
processor. Is it possible to run this module plugged in at AUX on the
Apogee board (as it is done on the Umarim as described at ) ?

Thanks for any help!


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