topic Re: How to increase RPMSG baud rate on iMX6SX? in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/How-to-increase-RPMSG-baud-rate-on-iMX6SX/m-p/710109#M110400 <HTML><HEAD></HEAD><BODY><P>Please follow the instructions in i.MX_Linux_Reference_Manual.pdf of BSP release</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="Untitled.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/32750i05A137AAFB3A5482/image-size/large?v=v2&amp;px=999" role="button" title="Untitled.png" alt="Untitled.png" /></span></P></BODY></HTML> Thu, 21 Sep 2017 08:52:14 GMT BiyongSUN 2017-09-21T08:52:14Z How to increase RPMSG baud rate on iMX6SX? https://community.nxp.com/t5/i-MX-Processors/How-to-increase-RPMSG-baud-rate-on-iMX6SX/m-p/710108#M110399 <HTML><HEAD></HEAD><BODY><P>I'm testing the rpmsg on iMX6SX using the rpmsg tty driver "imx_rpmsg_tty.ko". The communication between the A9 coreand M4 core is successful, but the data rate seems very low. I checked the settings of the "ttyRPMSG" device, and found the default buad rate is only 38400:</P><P><BR /># stty -F /dev/ttyRPMSG<BR />speed 38400 baud; line = 0;<BR />intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = &lt;undef&gt;;<BR />eol2 = &lt;undef&gt;; swtch = &lt;undef&gt;; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R;<BR />werase = ^W; lnext = ^V; flush = ^O; min = 1; time = 0;<BR />-brkint -imaxbel</P><P></P><P>How do I&nbsp;increase this baud rate(for example, 115200)?</P><P>Is there any alternative way&nbsp;to achieve a faster communication speed between the A9 core and M4 core, instead of using the tty interface?&nbsp;</P></BODY></HTML> Thu, 21 Sep 2017 06:00:37 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-increase-RPMSG-baud-rate-on-iMX6SX/m-p/710108#M110399 liushuo 2017-09-21T06:00:37Z Re: How to increase RPMSG baud rate on iMX6SX? https://community.nxp.com/t5/i-MX-Processors/How-to-increase-RPMSG-baud-rate-on-iMX6SX/m-p/710109#M110400 <HTML><HEAD></HEAD><BODY><P>Please follow the instructions in i.MX_Linux_Reference_Manual.pdf of BSP release</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="Untitled.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/32750i05A137AAFB3A5482/image-size/large?v=v2&amp;px=999" role="button" title="Untitled.png" alt="Untitled.png" /></span></P></BODY></HTML> Thu, 21 Sep 2017 08:52:14 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-increase-RPMSG-baud-rate-on-iMX6SX/m-p/710109#M110400 BiyongSUN 2017-09-21T08:52:14Z