LPC Microcontrollers中的主题 Re: usb bulk问题 https://community.nxp.com/t5/LPC-Microcontrollers/usb-bulk%E9%97%AE%E9%A2%98/m-p/895937#M35900 <HTML><HEAD></HEAD><BODY><P>Hi <A _jive_internal="true" class="" data-content-finding="Community" data-userid="313117" data-username="万朋朋pengpeng" href="https://community.nxp.com/people/万朋朋pengpeng">万朋朋 pengpeng,</A></P><P>非常感谢使用NXP产品，很高兴为你提供技术支持！<BR />请问你是基于SDK中USB stack实现USB应用的吗?<BR />还有你的工程基于MSC工程为模板修改的呢还是从零开始创建的，最好你可以介绍一下你的工程的实现过程，方便问题查找。</P><P><BR />Have a great day,<BR />TIC</P><P></P><P>-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!</P><P></P><P>- We are following threads for 7 weeks after the last post, later replies are ignored<BR /> Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P></BODY></HTML> Tue, 21 May 2019 02:44:28 GMT jeremyzhou 2019-05-21T02:44:28Z usb bulk问题 https://community.nxp.com/t5/LPC-Microcontrollers/usb-bulk%E9%97%AE%E9%A2%98/m-p/895936#M35899 <HTML><HEAD></HEAD><BODY><P>LPC54606的高速usb实现自定义设备，bulk传输已经实现，但是有问题</P><P>我的实现思路是：设立端点空闲标志，发送请求成功后，标志位设置为发送中，回调函数中设置为发送完成。但是有时会出现发送请求成功，但是端点回调函数没有被调用的问题，导致标志位不能被改变，所以不能继续发送。为保证数据发送完成同时提高速率，有什么好的建议吗？</P></BODY></HTML> Thu, 16 May 2019 09:37:30 GMT https://community.nxp.com/t5/LPC-Microcontrollers/usb-bulk%E9%97%AE%E9%A2%98/m-p/895936#M35899 万朋朋pengpeng 2019-05-16T09:37:30Z Re: usb bulk问题 https://community.nxp.com/t5/LPC-Microcontrollers/usb-bulk%E9%97%AE%E9%A2%98/m-p/895937#M35900 <HTML><HEAD></HEAD><BODY><P>Hi <A _jive_internal="true" class="" data-content-finding="Community" data-userid="313117" data-username="万朋朋pengpeng" href="https://community.nxp.com/people/万朋朋pengpeng">万朋朋 pengpeng,</A></P><P>非常感谢使用NXP产品，很高兴为你提供技术支持！<BR />请问你是基于SDK中USB stack实现USB应用的吗?<BR />还有你的工程基于MSC工程为模板修改的呢还是从零开始创建的，最好你可以介绍一下你的工程的实现过程，方便问题查找。</P><P><BR />Have a great day,<BR />TIC</P><P></P><P>-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!</P><P></P><P>- We are following threads for 7 weeks after the last post, later replies are ignored<BR /> Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P></BODY></HTML> Tue, 21 May 2019 02:44:28 GMT https://community.nxp.com/t5/LPC-Microcontrollers/usb-bulk%E9%97%AE%E9%A2%98/m-p/895937#M35900 jeremyzhou 2019-05-21T02:44:28Z