Bureaucrats, dave_user, Administrators
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→Temperature sensor
{{Applies To Bora}}
{{Applies To BoraX}}
{{Applies To BoraLite}}
{{InfoBoxBottom}}
This article details how physical devices are handled by the Linux kernel in the context of the [[Bora_Embedded_Linux_Kit_(BELK)|BELK]] and [[BoraX_Embedded_Linux_Kit_(BXELK)|BXELK]] kits.
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In case <code>canutils</code> package is missing, user can install it directly from DAVE's [[TODO|http://yocto.dave.eu/belk-latest/ BORA package server]] using <code>smart update && smart install canutils</code> commands:
[..snip..]
</pre>
See [[Advanced_use_of_Yocto_build_system_(BELK/BXELK)]] for more information about using Yocto packages and <code>smart</code>
==UART0==
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== Temperature sensor sensors ==
Bora SOM has a [http://www.ti.com/lit/ds/symlink/tmp422.pdf TMP421AIDCN] temperature sensor onboard.
# Tcpu
TEMP_RAW=`cat $path_dev_soc_adc/sys/devices/soc0/amba/f8007100.adc/iio:device0/in_temp0_raw`TEMP_OFFSET=`cat $path_dev_soc_adc/sys/devices/soc0/amba/f8007100.adc/iio:device0/in_temp0_offset`TEMP_SCALE=`cat $path_dev_soc_adc/sys/devices/soc0/amba/f8007100.adc/iio:device0/in_temp0_scale`
TEMP=`awk "BEGIN {print (($TEMP_RAW+$TEMP_OFFSET)*$TEMP_SCALE)/1000}"`
echo "Cpu Temp: ${TEMP}"
</pre>
