esp32S3驱动RGB屏幕时不能开启SPI RAM,否则显示错位

fan183579
Posts: 81
Joined: Thu Nov 25, 2021 6:37 am

esp32S3驱动RGB屏幕时不能开启SPI RAM,否则显示错位

Postby fan183579 » Mon Dec 20, 2021 5:20 am

未在 menuconfig 中打开SPIRAM时显示正常,一旦打开,就会出现显示偏移,已经试过更改引脚了,还是无效
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ESP_morris
Posts: 290
Joined: Wed Sep 05, 2018 6:23 am

Re: esp32S3驱动RGB屏幕时不能开启SPI RAM,否则显示错位

Postby ESP_morris » Mon Dec 20, 2021 6:35 am

猜测是因为PSRAM速度跟不上RGB的带宽需求带来的显示错位?建议适当降低PCLK频率,以及调整一下其他RGB的时序参数

fan183579
Posts: 81
Joined: Thu Nov 25, 2021 6:37 am

Re: esp32S3驱动RGB屏幕时不能开启SPI RAM,否则显示错位

Postby fan183579 » Mon Dec 20, 2021 9:19 am

ESP_morris wrote:
Mon Dec 20, 2021 6:35 am
猜测是因为PSRAM速度跟不上RGB的带宽需求带来的显示错位?建议适当降低PCLK频率,以及调整一下其他RGB的时序参数
已经设置的比较低了
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ESP_morris
Posts: 290
Joined: Wed Sep 05, 2018 6:23 am

Re: esp32S3驱动RGB屏幕时不能开启SPI RAM,否则显示错位

Postby ESP_morris » Tue Dec 21, 2021 8:18 am

再试试把de_gpio_num 设为-1呢,也就是说,仅使用HV模式

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