Moitessier V1, pressure and temp not accessible

 

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Questions and AnswersCategory: Moitessier HATMoitessier V1, pressure and temp not accessible
Maarten asked 9 months ago

Hi All,

I have a first gen Moitesier HAT, mounted on a RPi4 with the latest OpenPlotter installs.

Everything works as expected, or better- I get opsition, pitch, roll, speed. AIS not sure, since I do not have an antenaa handy.

However- I can not get pressure / temp from the thing.
In the I2C app address  0x77 does not show as present, if I go ahead and enter it as the address for the MS5607-02BA03 (which is found) I get two signal K keys, pressure and tepmerature. The connection to SK is there, in SK I get no data.
Whatever I try, I do not get any pressure or temp data in either SignalK, the new SignalK test window or OpenCPN.
Sailoog referred me to you guys- is there a way to check if the thing may be defect?

Thanks for your support!

Maarten replied 9 months ago

I need to add, with the sensor removed from the I2C app, clicking the ‘ Pressure’ test button in the Moitessier app (2.1.0) takes me to an empty white window…

Thomas Staff replied 9 months ago

Hello Maarten,
does it work now? Is your issue solved?

Maarten replied 9 months ago

Getting used to the comments vs reply system- but no, I have not yet had any information that may help me figure out why it doesn’t work. I’m suspecting a faulty unit 🙁

Thomas Staff replied 9 months ago

Please execute the following command and send me the output:
~/moitessier/app/sensors/check_functionality -i /dev/i2c-3 –mpu –press –cpu -s -t 35 -r 15 -p 1000 -n 200

Maarten replied 9 months ago

It gives me
ERROR occured!!

You must select at least one sensor to check/read.

Maarten replied 9 months ago

while sudo i2cdetect -l
returns:
i2c-3 i2c 300000002.i2c I2C adapter
i2c-1 i2c bcm2835 I2C adapter I2C adapter

Maarten replied 9 months ago

check_functionality –all returns

********** CPU **********
48.199
********** MS5607-02BA03 **********
Reading PROM failed.
ERROR: Reading sensor failed.
This might be okay, if this sensors is not assembled on the board.

Doesn’t look good, does it..?..

Thomas Staff replied 9 months ago

Please execute the following command:
~/moitessier/app/sensors/check_functionality -i /dev/i2c-3 –mpu –press –cpu -s -t 35 -r 15 -p 1000 -n 200

Be aware that the options mpu, cpu and press use two — characters.

Maarten replied 9 months ago

This is the same statement as you posted before?
I copied and pasted the first one earlier. In your statement there are single ‘-‘ chars before each..?.. Anyway, will try with — when I get home again, thanks for your patience.

Thomas Staff replied 9 months ago

Yes it is the same statement. Obviously it converts two – characters to a single – character when copying from my documentation into the web browser.

Maarten replied 9 months ago

Noted, will try tonight and report back, thanks again.

Maarten replied 9 months ago

okay, typed it manually, it gives me:

******************************************************************************************

Sanity check ranges:
temperature: 20…50
pressure: 800…1200

********** CPU **********
28.719
********** MS5607-02BA03 **********
ERROR: Reading sensor failed.
This might be okay, if this sensors is not assembled on the board.

Maarten replied 9 months ago

I assume this means the sensor is deceased?

Thomas Staff replied 9 months ago

Yes, I think so. When did it stop working? When have you bought the HAT?

Maarten replied 9 months ago

I bought it in April, last year. I am not sure if it has ever worked- with the new interface of OpenPlotter on the RPi4 it became interesting, before I did not give it priority.

Maarten replied 9 months ago

Do you think it could be under warranty?

Christian Staff replied 9 months ago

Hi Maarten,

could you please use our contact form (https://www.rooco.eu/contact/) so we can formally start off your warranty issue.
Thank you.

Christian

Maarten replied 9 months ago

Done, thanks.

1 Answers
Maarten answered 9 months ago

Hi Thomas,
No, the problem did not go away. Do you know a way to check the sensors?

 

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