i2s_write 响应时间太长

Post Reply
hhd2018
Posts: 7
Joined: Fri Nov 30, 2018 6:20 am

i2s_write 响应时间太长

Postby hhd2018 » Tue Dec 18, 2018 5:23 pm

我调用 i2s_write 后，喇叭要等接近200毫秒才有反应，这个时间正常吗？可以缩短吗？
各位大神帮下忙...
Top
hhd2018
Posts: 7
Joined: Fri Nov 30, 2018 6:20 am

Re: i2s_write 响应时间太长

Postby hhd2018 » Wed Dec 19, 2018 1:55 am

俺找到办法了，将DMA buffer减小，就可以减小等待时间。
Top
Post Reply

Return to “ESP-IDF 中文讨论版”

Who is online

Users browsing this forum: Bing [Bot] and 77 guests