LPC MicrocontrollersのトピックLPC1758 Proper way to disable/re-enable USB endpoint while DMA transfer is queued https://community.nxp.com/t5/LPC-Microcontrollers/LPC1758-Proper-way-to-disable-re-enable-USB-endpoint-while-DMA/m-p/641361#M25364 <HTML><HEAD></HEAD><BODY><P>Hi</P><P></P><P>I am having an issue where if a USB DMA transfer is queued and the endpoint is disabled and then re-enabled (using the SIE interface), the DMA descriptor will be retired but no EOT or Error interrupt will be raised.</P><P></P><P>Is there way to cancel a DMA transfer without waiting for it to complete?</P><P></P><P>Thanks</P><P><BR />James</P></BODY></HTML> Thu, 22 Sep 2016 06:43:53 GMT james3434 2016-09-22T06:43:53Z LPC1758 Proper way to disable/re-enable USB endpoint while DMA transfer is queued https://community.nxp.com/t5/LPC-Microcontrollers/LPC1758-Proper-way-to-disable-re-enable-USB-endpoint-while-DMA/m-p/641361#M25364 <HTML><HEAD></HEAD><BODY><P>Hi</P><P></P><P>I am having an issue where if a USB DMA transfer is queued and the endpoint is disabled and then re-enabled (using the SIE interface), the DMA descriptor will be retired but no EOT or Error interrupt will be raised.</P><P></P><P>Is there way to cancel a DMA transfer without waiting for it to complete?</P><P></P><P>Thanks</P><P><BR />James</P></BODY></HTML> Thu, 22 Sep 2016 06:43:53 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC1758-Proper-way-to-disable-re-enable-USB-endpoint-while-DMA/m-p/641361#M25364 james3434 2016-09-22T06:43:53Z