topic LPCusblib on LPC1837 target in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/LPCusblib-on-LPC1837-target/m-p/702014#M28254 <HTML><HEAD></HEAD><BODY><P>As an add-on for an existing project, i trying to get my embedded USB2.0 Full speed device working on a Windows machine. Originally the USB host is a Variscite Var-som-mx6 board with a dedicated USB kernel driver written in C.</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>On Windows i've used the InfWizard tool from tLibUsbDotNet to create an appropriated driver.</P><P>In the device manager my device is properly configured, but my device crashes.</P><P>After putting the LPCUSBLIB debug info on, i get a GetDescriptor Request irq, while&nbsp; the Device_STATE_Configured flag is on.&nbsp;</P><P>By putting a breakpoint after the EVENT_USB_Device_ConfigurationChanged() function , i'm able to step through the code and run the USB slave.</P><P>Because i'm not familiar with the USB2.0 stack, i don't have clue how to dig further in to the problem.</P><P>I've attached to good and bad slave debug output.</P><P><STRONG>Original Attachment has been moved to: <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-337951">HTBS_S_DEBUG_VARISCITE_DEAMON_-OFF.txt.zip</A></STRONG></P><P><STRONG>Original Attachment has been moved to: <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-337951">HTBS_S_DEBUG_WINDOWS_.txt.zip</A></STRONG></P></BODY></HTML> Tue, 10 Oct 2017 14:24:16 GMT karlstockman 2017-10-10T14:24:16Z LPCusblib on LPC1837 target https://community.nxp.com/t5/LPC-Microcontrollers/LPCusblib-on-LPC1837-target/m-p/702014#M28254 <HTML><HEAD></HEAD><BODY><P>As an add-on for an existing project, i trying to get my embedded USB2.0 Full speed device working on a Windows machine. Originally the USB host is a Variscite Var-som-mx6 board with a dedicated USB kernel driver written in C.</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>On Windows i've used the InfWizard tool from tLibUsbDotNet to create an appropriated driver.</P><P>In the device manager my device is properly configured, but my device crashes.</P><P>After putting the LPCUSBLIB debug info on, i get a GetDescriptor Request irq, while&nbsp; the Device_STATE_Configured flag is on.&nbsp;</P><P>By putting a breakpoint after the EVENT_USB_Device_ConfigurationChanged() function , i'm able to step through the code and run the USB slave.</P><P>Because i'm not familiar with the USB2.0 stack, i don't have clue how to dig further in to the problem.</P><P>I've attached to good and bad slave debug output.</P><P><STRONG>Original Attachment has been moved to: <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-337951">HTBS_S_DEBUG_VARISCITE_DEAMON_-OFF.txt.zip</A></STRONG></P><P><STRONG>Original Attachment has been moved to: <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-337951">HTBS_S_DEBUG_WINDOWS_.txt.zip</A></STRONG></P></BODY></HTML> Tue, 10 Oct 2017 14:24:16 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPCusblib-on-LPC1837-target/m-p/702014#M28254 karlstockman 2017-10-10T14:24:16Z