topic Trouble with MQX USB Driver for K22 in MQX Software Solutions https://community.nxp.com/t5/MQX-Software-Solutions/Trouble-with-MQX-USB-Driver-for-K22/m-p/661000#M17280 <HTML><HEAD></HEAD><BODY><P>Hello</P><P>&nbsp;</P><P>I’m attempting to debug a USB channel using a K22. The driver I’m using is a modified version of the Virtual Comm port example contained in the MQX 4.1.1 release. Namely it has been modified to provide 3 virtual comm ports.</P><P>&nbsp;</P><P>The issue I’m seeing seems to be linked to not receiving a token done interrupt when I expect to and after that I can’t get any more data through that comm port. It feels like a state transition issue or an interrupt configuration issue to me but I can’t put my finger on it.</P><P>&nbsp;</P><P>Any thoughts would be greatly appreciated.</P><P>&nbsp;</P><P>Thanks,</P></BODY></HTML> Fri, 07 Apr 2017 16:53:35 GMT pmcknight 2017-04-07T16:53:35Z Trouble with MQX USB Driver for K22 https://community.nxp.com/t5/MQX-Software-Solutions/Trouble-with-MQX-USB-Driver-for-K22/m-p/661000#M17280 <HTML><HEAD></HEAD><BODY><P>Hello</P><P>&nbsp;</P><P>I’m attempting to debug a USB channel using a K22. The driver I’m using is a modified version of the Virtual Comm port example contained in the MQX 4.1.1 release. Namely it has been modified to provide 3 virtual comm ports.</P><P>&nbsp;</P><P>The issue I’m seeing seems to be linked to not receiving a token done interrupt when I expect to and after that I can’t get any more data through that comm port. It feels like a state transition issue or an interrupt configuration issue to me but I can’t put my finger on it.</P><P>&nbsp;</P><P>Any thoughts would be greatly appreciated.</P><P>&nbsp;</P><P>Thanks,</P></BODY></HTML> Fri, 07 Apr 2017 16:53:35 GMT https://community.nxp.com/t5/MQX-Software-Solutions/Trouble-with-MQX-USB-Driver-for-K22/m-p/661000#M17280 pmcknight 2017-04-07T16:53:35Z