topic Q: IPU + image scrolling [Linux] in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/Q-IPU-image-scrolling-Linux/m-p/219472#M14293 <HTML><HEAD></HEAD><BODY><P>Hello!</P><P></P><P>I need to implement image scrolling under Linux on a imx535.</P><P>According to the " i.MX53 Multimedia Applications Processor Reference Manual", 45.3.1.6.2 Update Of The Display Buffer:</P><P>"<EM>Automatic display of a changing image (animation) or <STRONG>moving image (scrolling)</STRONG> This</EM></P><P><EM>is implemented by reading frames (from a full plane buffer) with incremental offset</EM>"</P><P></P><P>Seems that is exactly what I need. I tried to research IPU driver located in $BUILD/linux/drivers/mxc/ipu*, but seems that current implementation of IPU driver and <SPAN class="short_text" lang="en"><SPAN class="hps">therefore user-space library does not support scrolling feature at all.</SPAN></SPAN></P><P><SPAN class="short_text" lang="en"><SPAN class="hps">Does anybody dig into this field yet? I also tried to search IMX community - no results so far:(</SPAN></SPAN></P><P><SPAN class="short_text" lang="en"><SPAN class="hps"><BR /></SPAN></SPAN></P><P><SPAN class="short_text" lang="en"><SPAN class="hps">Thanks for any info!<BR /></SPAN></SPAN></P><P><SPAN class="mce_paste_marker"></SPAN></P></BODY></HTML> Tue, 16 Oct 2012 11:48:29 GMT maxx 2012-10-16T11:48:29Z Q: IPU + image scrolling [Linux] https://community.nxp.com/t5/i-MX-Processors/Q-IPU-image-scrolling-Linux/m-p/219472#M14293 <HTML><HEAD></HEAD><BODY><P>Hello!</P><P></P><P>I need to implement image scrolling under Linux on a imx535.</P><P>According to the " i.MX53 Multimedia Applications Processor Reference Manual", 45.3.1.6.2 Update Of The Display Buffer:</P><P>"<EM>Automatic display of a changing image (animation) or <STRONG>moving image (scrolling)</STRONG> This</EM></P><P><EM>is implemented by reading frames (from a full plane buffer) with incremental offset</EM>"</P><P></P><P>Seems that is exactly what I need. I tried to research IPU driver located in $BUILD/linux/drivers/mxc/ipu*, but seems that current implementation of IPU driver and <SPAN class="short_text" lang="en"><SPAN class="hps">therefore user-space library does not support scrolling feature at all.</SPAN></SPAN></P><P><SPAN class="short_text" lang="en"><SPAN class="hps">Does anybody dig into this field yet? I also tried to search IMX community - no results so far:(</SPAN></SPAN></P><P><SPAN class="short_text" lang="en"><SPAN class="hps"><BR /></SPAN></SPAN></P><P><SPAN class="short_text" lang="en"><SPAN class="hps">Thanks for any info!<BR /></SPAN></SPAN></P><P><SPAN class="mce_paste_marker"></SPAN></P></BODY></HTML> Tue, 16 Oct 2012 11:48:29 GMT https://community.nxp.com/t5/i-MX-Processors/Q-IPU-image-scrolling-Linux/m-p/219472#M14293 maxx 2012-10-16T11:48:29Z Re: Q: IPU + image scrolling [Linux] https://community.nxp.com/t5/i-MX-Processors/Q-IPU-image-scrolling-Linux/m-p/219473#M14294 <HTML><HEAD></HEAD><BODY><P>Unfortunately, there is no example for the <STRONG>moving image (scrolling). For details, please read the i.MX53RM Chapter 45.5.2.7.1 Scrolling support and 45.5.2.10 CPMEM - Channel Parameter Memory.&nbsp; You may need set the values in cpmem and implement it by yourself. </STRONG></P></BODY></HTML> Wed, 31 Oct 2012 09:04:51 GMT https://community.nxp.com/t5/i-MX-Processors/Q-IPU-image-scrolling-Linux/m-p/219473#M14294 jimmychan 2012-10-31T09:04:51Z