topic Re: The I2C driver always returns error &quot;kStatus_I2C_ArbitrationLost&quot; in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/The-I2C-driver-always-returns-error-quot-kStatus-I2C/m-p/675221#M41505 <HTML><HEAD></HEAD><BODY><P>Hello Gaurav Banyal,</P><P>&nbsp;&nbsp; Good and thank you for your updated information !</P><P>&nbsp; Actually, the I2C is not complicate, next time, if you meet the problem, the first thing is check the I2C bus wave, it will be useful to&nbsp; locate the root problem.</P><P></P><P><BR />Have a great day,<BR />Kerry</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 21 Jul 2017 01:43:05 GMT kerryzhou 2017-07-21T01:43:05Z The I2C driver always returns error "kStatus_I2C_ArbitrationLost" https://community.nxp.com/t5/Kinetis-Microcontrollers/The-I2C-driver-always-returns-error-quot-kStatus-I2C/m-p/675218#M41502 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I am trying to communicate with the various slaves I have on the I2C bus on my MKL03Z32 controller. However, the driver always returns error code "kStatus_I2C_ArbitrationLost".</P><P>I don't have a clue on why this is happening. The same code was working perfectly on a different schematics using the same uC. Additionally, the uC is the only bus master. So I don't understand why there should be arbitration and why this error is returned.</P><P></P><P>Please help.</P><P></P><P>Cheers,</P><P>Gaurav.</P></BODY></HTML> Wed, 19 Jul 2017 07:56:28 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/The-I2C-driver-always-returns-error-quot-kStatus-I2C/m-p/675218#M41502 gauravbanyal 2017-07-19T07:56:28Z Re: The I2C driver always returns error "kStatus_I2C_ArbitrationLost" https://community.nxp.com/t5/Kinetis-Microcontrollers/The-I2C-driver-always-returns-error-quot-kStatus-I2C/m-p/675219#M41503 <HTML><HEAD></HEAD><BODY><P>Hello Gaurav Banyal,</P><P>&nbsp;&nbsp;&nbsp; How many I2C devices you connect in the I2C bus?</P><P>&nbsp;&nbsp; When the problem happens, did you check the I2C bus wave, whether there has some other I2C device influence the I2C wave?</P><P>&nbsp;&nbsp; Please also attached the I2C wave, thank you!</P><P></P><P><BR />Have a great day,<BR />Kerry</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 20 Jul 2017 08:42:15 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/The-I2C-driver-always-returns-error-quot-kStatus-I2C/m-p/675219#M41503 kerryzhou 2017-07-20T08:42:15Z Re: The I2C driver always returns error "kStatus_I2C_ArbitrationLost" https://community.nxp.com/t5/Kinetis-Microcontrollers/The-I2C-driver-always-returns-error-quot-kStatus-I2C/m-p/675220#M41504 <HTML><HEAD></HEAD><BODY><P>As soon as I connected to the scope to the I2C slave test points, I figured that the slave was not getting powered. HW issue. When that was fixed, it worked like a charm.</P></BODY></HTML> Thu, 20 Jul 2017 09:26:39 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/The-I2C-driver-always-returns-error-quot-kStatus-I2C/m-p/675220#M41504 gauravbanyal 2017-07-20T09:26:39Z Re: The I2C driver always returns error "kStatus_I2C_ArbitrationLost" https://community.nxp.com/t5/Kinetis-Microcontrollers/The-I2C-driver-always-returns-error-quot-kStatus-I2C/m-p/675221#M41505 <HTML><HEAD></HEAD><BODY><P>Hello Gaurav Banyal,</P><P>&nbsp;&nbsp; Good and thank you for your updated information !</P><P>&nbsp; Actually, the I2C is not complicate, next time, if you meet the problem, the first thing is check the I2C bus wave, it will be useful to&nbsp; locate the root problem.</P><P></P><P><BR />Have a great day,<BR />Kerry</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 21 Jul 2017 01:43:05 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/The-I2C-driver-always-returns-error-quot-kStatus-I2C/m-p/675221#M41505 kerryzhou 2017-07-21T01:43:05Z