<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[FR3068E-D开发板驱动RGB屏幕问题]]></title><description><![CDATA[<p>开发板驱动开发板配套屏幕 驱动异常 参考例程：display  按照 display_dome.c内的驱动例程去驱动800<em>480屏幕<br />
由于800</em>480的数据太大故分包发送<br />
相关配置如下<br />
<img src="/assets/uploads/files/1781772671125-3db69bca-c25c-4829-80ee-333a04b692c5-image.png" alt="0_1781772670248_3db69bca-c25c-4829-80ee-333a04b692c5-image.png" class="img-responsive img-markdown" /><br />
<img src="/assets/uploads/files/1781772713014-a68256fe-5fc2-4ec5-96dc-501fbb555c43-image-resized.png" alt="0_1781772712193_a68256fe-5fc2-4ec5-96dc-501fbb555c43-image.png" class="img-responsive img-markdown" /><br />
发送函数：<br />
<img src="/assets/uploads/files/1781772776642-2d874f49-8fa5-4cfc-a8ed-458ee74ffc5a-image.png" alt="0_1781772775843_2d874f49-8fa5-4cfc-a8ed-458ee74ffc5a-image.png" class="img-responsive img-markdown" /><br />
尝试过多种方式当时都存在异常要么只亮背光、要么颜色跟传输颜色不一致<br />
使用逻辑分析仪读信号 hs vs de pclk 均有信号（高低电平） disp正常为高 但是抓取lcd-G4 却一直高<br />
<img src="/assets/uploads/files/1781773252114-16484826-0a58-4288-a2e5-10db1fd62dc5-image-resized.png" alt="0_1781773251257_16484826-0a58-4288-a2e5-10db1fd62dc5-image.png" class="img-responsive img-markdown" /><br />
太异常了 屏幕规格书上时序为de模式  fr306x的参考手册写明了是支持de模式的<br />
传输数据的函数（修改过）：<br />
<img src="/assets/uploads/files/1781773563434-76b5ce17-5af2-4f24-9bea-4b261594577c-image-resized.png" alt="0_1781773561587_76b5ce17-5af2-4f24-9bea-4b261594577c-image.png" class="img-responsive img-markdown" /></p>
]]></description><link>http://www.freqchip.net:4567/topic/1841/fr3068e-d开发板驱动rgb屏幕问题</link><generator>RSS for Node</generator><lastBuildDate>Thu, 18 Jun 2026 14:38:38 GMT</lastBuildDate><atom:link href="http://www.freqchip.net:4567/topic/1841.rss" rel="self" type="application/rss+xml"/><pubDate>Thu, 18 Jun 2026 09:06:16 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to FR3068E-D开发板驱动RGB屏幕问题 on Invalid Date]]></title><description><![CDATA[<p>开发板驱动开发板配套屏幕 驱动异常 参考例程：display  按照 display_dome.c内的驱动例程去驱动800<em>480屏幕<br />
由于800</em>480的数据太大故分包发送<br />
相关配置如下<br />
<img src="/assets/uploads/files/1781772671125-3db69bca-c25c-4829-80ee-333a04b692c5-image.png" alt="0_1781772670248_3db69bca-c25c-4829-80ee-333a04b692c5-image.png" class="img-responsive img-markdown" /><br />
<img src="/assets/uploads/files/1781772713014-a68256fe-5fc2-4ec5-96dc-501fbb555c43-image-resized.png" alt="0_1781772712193_a68256fe-5fc2-4ec5-96dc-501fbb555c43-image.png" class="img-responsive img-markdown" /><br />
发送函数：<br />
<img src="/assets/uploads/files/1781772776642-2d874f49-8fa5-4cfc-a8ed-458ee74ffc5a-image.png" alt="0_1781772775843_2d874f49-8fa5-4cfc-a8ed-458ee74ffc5a-image.png" class="img-responsive img-markdown" /><br />
尝试过多种方式当时都存在异常要么只亮背光、要么颜色跟传输颜色不一致<br />
使用逻辑分析仪读信号 hs vs de pclk 均有信号（高低电平） disp正常为高 但是抓取lcd-G4 却一直高<br />
<img src="/assets/uploads/files/1781773252114-16484826-0a58-4288-a2e5-10db1fd62dc5-image-resized.png" alt="0_1781773251257_16484826-0a58-4288-a2e5-10db1fd62dc5-image.png" class="img-responsive img-markdown" /><br />
太异常了 屏幕规格书上时序为de模式  fr306x的参考手册写明了是支持de模式的<br />
传输数据的函数（修改过）：<br />
<img src="/assets/uploads/files/1781773563434-76b5ce17-5af2-4f24-9bea-4b261594577c-image-resized.png" alt="0_1781773561587_76b5ce17-5af2-4f24-9bea-4b261594577c-image.png" class="img-responsive img-markdown" /></p>
]]></description><link>http://www.freqchip.net:4567/post/4496</link><guid isPermaLink="true">http://www.freqchip.net:4567/post/4496</guid><dc:creator><![CDATA[lakesky]]></dc:creator><pubDate>Invalid Date</pubDate></item></channel></rss>