<?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[DMA transfer draw graphics and ULP music player Sample]]></title><description><![CDATA[<p dir="auto">DMA転送で画面描画するサンプルとULPで音楽再生するサンプルを合わせてみた。<br />
DMA転送の合間にdelay(2)入れて1フレームあたり30msecのdelayを実行しているけども問題なく約30fpsで描画と音楽再生してる。<br />
音はかなりノイジー…もうちょっと何とかする方法ないかしら…</p>
<p dir="auto">Video: <a href="https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201904/DMA_transfer_ULP_music_player.mp4" target="_blank" rel="noopener noreferrer nofollow ugc">https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201904/DMA_transfer_ULP_music_player.mp4</a><br />
Twitter: <a href="https://twitter.com/lovyan03/status/1119895541553319941" target="_blank" rel="noopener noreferrer nofollow ugc">https://twitter.com/lovyan03/status/1119895541553319941</a></p>
<p dir="auto"><img src="/assets/uploads/files/1556007067993-dma_ulp-resized.jpg" alt="0_1556007064793_DMA_ULP.jpg" class=" img-fluid img-markdown" /></p>
]]></description><link>https://community.m5stack.com/topic/934/dma-transfer-draw-graphics-and-ulp-music-player-sample</link><generator>RSS for Node</generator><lastBuildDate>Wed, 29 Apr 2026 11:29:01 GMT</lastBuildDate><atom:link href="https://community.m5stack.com/topic/934.rss" rel="self" type="application/rss+xml"/><pubDate>Tue, 23 Apr 2019 08:12:15 GMT</pubDate><ttl>60</ttl></channel></rss>