https://forge.codesys.com/forge/talk/Runtime/thread/a369b82f95/2020-02-27T17:09:34.656000ZRecent posts to I2C Address.Bereich2020-02-27T17:09:34.656000Z2020-02-27T17:09:34.656000Zeschwellingerhttps://forge.codesys.com/u/eschwellinger/https://forge.codesys.comcefd2e9b71e52aa7277b4f3eb891b7c1a0fc09de

<div class="markdown_content"><p>Hi,<br/> did you try already this library from the forum for this device?<br/> l <a class="" href="https://forum.codesys.com/viewtopic.php?f=23&amp;t=5872&amp;x=18200&amp;p=19664&amp;lan=en" rel="nofollow">viewtopic.php?f=23&amp;t=5872&amp;p=18200#p19664</a> l `<br/> BR<br/> Edwin</p></div>

2020-02-27T17:09:31.998000Z2020-02-27T17:09:31.998000ZGuenterhttps://forge.codesys.com/u/guenter/https://forge.codesys.com9319d2aad57349f5813a3de64a39f55b7a013812

<div class="markdown_content"><p>Hi Edwin</p> <p>no green circle. I will check with a oszzi if the ports are working with the i2cmaster.read </p> <p>Regards</p> <p>Guenter</p></div>

2020-02-27T17:09:31.053000Z2020-02-27T17:09:31.053000Zeschwellingerhttps://forge.codesys.com/u/eschwellinger/https://forge.codesys.com542f82e1c20e499c6376208d2e04b0962d1e8a83

<div class="markdown_content"><p>Hi,<br/> if you use 16#76 as address in the configuration, does the BME connector turn into a green circle in the device tree without any call from the pou's?</p> <p>BR<br/> Edwin</p></div>

2020-02-27T17:09:30.048000Z2020-02-27T17:09:30.048000ZGuenterhttps://forge.codesys.com/u/guenter/https://forge.codesys.com5f86da8768b0f5cb05089cd9ac88971ac8565830

<div class="markdown_content"><p>I also have tried to read the whole I2C bus with i2c_master.read but no Response from a device<br/> range: 0x00 up to 0xFF</p> <p><img alt="IMG: sc2.JPG" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=4267"/></p></div>

2020-02-27T17:09:27.193000Z2020-02-27T17:09:27.193000ZGuenterhttps://forge.codesys.com/u/guenter/https://forge.codesys.com3121c01d17863cbd0ef116050da6acec1138248d

<div class="markdown_content"><p>Hi Erwin<br/> I have checked and it looks like ok: I get the info that the BME Bus is not working</p> <p>hm</p> <p>Guenter</p> <p><img alt="IMG: sc1.JPG" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=4266"/></p></div>

2020-02-27T17:09:26.131000Z2020-02-27T17:09:26.131000Zeschwellingerhttps://forge.codesys.com/u/eschwellinger/https://forge.codesys.com7115f428aff7b5e0a10e28708cabbefc3d939bf2

<div class="markdown_content"><p>Hi,<br/> please check the parameter here:<br/> BR<br/> Edwin</p> <p><img alt="IMG: I2CAdress.png" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=4265"/></p></div>

2020-02-27T17:09:23.408000Z2020-02-27T17:09:23.408000ZGuenterhttps://forge.codesys.com/u/guenter/https://forge.codesys.comb58dae4e2e847617dc6c61788b17d765836e0e9e

<div class="markdown_content"><p>Hallo<br/> ich möchte einen BMP280 über die I2C Schnittstelle anschliessen.<br/> Adr: 0x76<br/> Mit SUDO I2CDETECT -y 1 finde ich das Gerät, ABER mit Codesys geht's nicht<br/> Wenn ich online verbunden bin dann ist vor dem BMP280 device ein rotes Dreieck.</p> <p>Was mache ich falsch?<br/> Kann eventuell mit Codesys die Adresse nicht erreicht werden (0x76)?</p> <p>Danke für die Hilfe</p> <p>Guenter</p></div>