topic Re: SDK 1.3 USB Stack in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/SDK-1-3-USB-Stack/m-p/674328#M41460 <HTML><HEAD></HEAD><BODY><P>Guys, Please help me out!!</P><P></P><P>Also one more observation, disk_initialize() function is success. But i am getting problems when i am trying to read the label of the pen drive using f_getlabel(). It works sometime and sometime its not. :smileysad:</P></BODY></HTML> Fri, 28 Jul 2017 05:29:25 GMT aniketmarkande 2017-07-28T05:29:25Z SDK 1.3 USB Stack https://community.nxp.com/t5/Kinetis-Microcontrollers/SDK-1-3-USB-Stack/m-p/674327#M41459 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>I am using MK22 Kinetis series controller in custom board. I am working on usb host.</P><P><SPAN style="text-decoration: underline;"><STRONG>I am facing two problems:</STRONG></SPAN></P><P>1. When i connect single pen drive, stack is working properly. But when i connect external hub (passive) and connects pen drive, sometimes it detects the pendrive properly ans sometimes not. What is the reason? it is to do with stack or code?</P><P>External hub is "iball Lappie".</P><P></P><P>2.&nbsp; When i connect hub and pen drive, sometimes attach and detach event comes simultaneously. What is the problem?</P><P></P><P>Its <SPAN style="text-decoration: underline;"><STRONG>URGENT</STRONG></SPAN>. Please help. I cant use SDK 2.0 USB stack as time does not permit.</P><P></P><P>Regards,</P><P>Aniket</P></BODY></HTML> Tue, 18 Jul 2017 14:36:18 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/SDK-1-3-USB-Stack/m-p/674327#M41459 aniketmarkande 2017-07-18T14:36:18Z Re: SDK 1.3 USB Stack https://community.nxp.com/t5/Kinetis-Microcontrollers/SDK-1-3-USB-Stack/m-p/674328#M41460 <HTML><HEAD></HEAD><BODY><P>Guys, Please help me out!!</P><P></P><P>Also one more observation, disk_initialize() function is success. But i am getting problems when i am trying to read the label of the pen drive using f_getlabel(). It works sometime and sometime its not. :smileysad:</P></BODY></HTML> Fri, 28 Jul 2017 05:29:25 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/SDK-1-3-USB-Stack/m-p/674328#M41460 aniketmarkande 2017-07-28T05:29:25Z