i.MX ProcessorsのトピックI2D Devices Not detecting... https://community.nxp.com/t5/i-MX-Processors/I2D-Devices-Not-detecting/m-p/447918#M69178 <HTML><HEAD></HEAD><BODY><P>Hi everyone,</P><P> I am using I.MX257 processor. I have connected some devices to i2c bus 2. When i probe the i2c 2 line from linux terminal the devices are not showing up. But when connecting a CRO probe accros SDA line &amp; ground and probing the I2C lines from linux terminal the device are showing up. I dont know what is the reason behind this. Can anyone help me with this.</P></BODY></HTML> Fri, 27 Nov 2015 10:02:58 GMT priyangeorge 2015-11-27T10:02:58Z I2D Devices Not detecting... https://community.nxp.com/t5/i-MX-Processors/I2D-Devices-Not-detecting/m-p/447918#M69178 <HTML><HEAD></HEAD><BODY><P>Hi everyone,</P><P> I am using I.MX257 processor. I have connected some devices to i2c bus 2. When i probe the i2c 2 line from linux terminal the devices are not showing up. But when connecting a CRO probe accros SDA line &amp; ground and probing the I2C lines from linux terminal the device are showing up. I dont know what is the reason behind this. Can anyone help me with this.</P></BODY></HTML> Fri, 27 Nov 2015 10:02:58 GMT https://community.nxp.com/t5/i-MX-Processors/I2D-Devices-Not-detecting/m-p/447918#M69178 priyangeorge 2015-11-27T10:02:58Z Re: I2D Devices Not detecting... https://community.nxp.com/t5/i-MX-Processors/I2D-Devices-Not-detecting/m-p/447919#M69179 <HTML><HEAD></HEAD><BODY><P>Hi priyan</P><P></P><P>this may be bad contact or absence of pull-up resistor, please check it.</P><P></P><P>Best regards</P><P>igor</P><P>-----------------------------------------------------------------------------------------------------------------------</P><P>Note: If this post answers your question, please click the Correct Answer button. Thank you!</P><P>-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Sat, 28 Nov 2015 02:03:36 GMT https://community.nxp.com/t5/i-MX-Processors/I2D-Devices-Not-detecting/m-p/447919#M69179 igorpadykov 2015-11-28T02:03:36Z