topic Re: MPC5200B USB controller in ColdFire/68K Microcontrollers and Processors https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/MPC5200B-USB-controller/m-p/141291#M2399 <HTML><HEAD></HEAD><BODY>Hi<BR /><BR />I'm having the same problem as you. Could you find a solution? Did you finally completed the USB driver?<BR /><BR />Thanks in advance.<BR /><BR />Regards.<BR /><DIV></DIV></BODY></HTML> Fri, 05 Sep 2008 18:02:00 GMT PJD 2008-09-05T18:02:00Z MPC5200B USB controller https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/MPC5200B-USB-controller/m-p/141290#M2398 <HTML><HEAD></HEAD><BODY><DIV> </DIV><DIV>Hi,</DIV><DIV>&nbsp;</DIV><DIV>I am working with MPC 5200B on USB stack developemnt</DIV><DIV>&nbsp;</DIV><DIV>I am trying to queue control transfer at endpoint 0. But the transfer does not happen . Following is the sequence of operations I am&nbsp; doing</DIV><DIV>&nbsp;</DIV><OL><LI>Seting the clock rate</LI><LI>Configuring primary USB port</LI><LI>giving software rest for OHCI</LI><LI>waiting till OHCI signals reset conplete</LI><LI>Put OHCI in USB_RESET</LI><LI>Write the head endpoint descriptor for control transfer at control head endpont offset register</LI><LI>Write the HCCA location in HCCA register</LI><LI>Put the controller in USB_OPERATIONAL state</LI></OL><P>On device connect</P><OL><LI>Reset port</LI><LI>Enable port</LI><LI>Enable control list processing</LI><LI>Enable control list filled</LI></OL><P>The controller does following things</P><OL><LI>Transfer the contents from Head poiinnter to current control pointer</LI><LI>Updates frame number(s) in HCCA area.</LI></OL><P>Problem</P><OL><LI>The Done queue register contains no transfer descriptor</LI><LI>The HCCA done queue has no update</LI><LI>There is no update on error code in transferr descriptor error queue.</LI></OL><P>I am attaching the values of all the registers when my code executes.</P><P>Please let me know if I am doing any thing wrong. Waiting for response.</P><P>&nbsp;</P><P>&nbsp;</P><P>Regards</P><P>Siddharth</P></BODY></HTML> Thu, 28 Dec 2006 23:28:52 GMT https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/MPC5200B-USB-controller/m-p/141290#M2398 sid_karnik 2006-12-28T23:28:52Z Re: MPC5200B USB controller https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/MPC5200B-USB-controller/m-p/141291#M2399 <HTML><HEAD></HEAD><BODY>Hi<BR /><BR />I'm having the same problem as you. Could you find a solution? Did you finally completed the USB driver?<BR /><BR />Thanks in advance.<BR /><BR />Regards.<BR /><DIV></DIV></BODY></HTML> Fri, 05 Sep 2008 18:02:00 GMT https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/MPC5200B-USB-controller/m-p/141291#M2399 PJD 2008-09-05T18:02:00Z