spi-max-frequency：96000000 fps:60 有点狠了，我中午降频、降底fps数量看看 改了以后还是老样子，第...
新建一个文本,命名为"rk356x-spi3-m0-cs0-fbdev-st7789v.dts",放到内核目录中"arch/arm64/boot/dts/rockchip/overlay/"里面,内容如下: /* * SPI small TFT LCD display device tree plugin (fbtft) * Sitronix ST7789V display controller *//dts-v1/;/plugin/;#include#include#include#include&spi3...
{ compatible = "sitronix,st7789v_tiny"; reg = <0>; //chip select 0:cs0 1:cs1 spi-max-frequency = <40000000>; //spi output clock rotation = <270>; dc-gpios = <&gpio4 RK_PA0 GPIO_ACTIVE_HIGH>; //DC脚 GPIO4 A0 reset-gpios = <&gpio3 RK_PC6 GPIO_ACTIVE_HIGH>; //rest...
(1)编写spi驱动框架,检查probe是否可以正常挂载; (2)在probe设备中,解析设备树gpio信息、屏幕参数信息; (3)操作gpio,检查背光控制是否正常 (4)基于linux spi框架适配spi写接口,看lcd_init是否正常 二、设备树节点描述 :st7789@1{ compatible="spilcd,st7789"; spi-max-frequency=<8000000>; reg=<1>; pinctrl...
&spi2 { status = "okay"; /delete-node/ spidev@0; st7789v: st7789v@0{ compatible = "sitronix,st7789v"; reg = <0>; status = "okay"; spi-max-frequency = <48000000>; spi-cpol; spi-cpha; rotate = <0>; fps = <60>; rgb; buswidth = <8>; dc = <&porta 24 GPIO_ACTIVE_...
spi-max-frequency = <15000000>; }; st7789v@1 { compatible = "sitronix,st7789v"; reg = <1>; reset-gpios = <&pio 4 10 GPIO_ACTIVE_LOW>;/*上电复位,此处选的是一个空闲管脚*/ dc-gpios = <&pio 0 0 GPIO_ACTIVE_LOW>;/*没有DC管脚,此处选的是一个空闲管脚*/ /*backlight = <&...
{"ProgramSize":1408,"Free":1984,"Heap":111,"PsrMax":0,"PsrFree":0,"ProgramFlashSize":4096,"FlashSize":4096,"FlashFrequency":40,"FlashMode":3,"Features":["00000809","8FFAC78F","001403A1","000000CF","010013C0","40000981","00004020","00000000"],"Drivers":"1,2,3,4,5,7,8,9...
问正在使用fbtft模块而不是面板sitronix，st7789v。ENKafka 和 RabbitMQ 都是流行的开源消息系统，它们可以在分布式系统中实现数据的可靠传输和处理。Kafka 和 RabbitMQ 有各自的优势和特点，它们适用于不同的场景和需求。本文将比较 Kafka 和 RabbitMQ 的主要区别，并分析何时使用 Kafka 而不是 RabbitMQ。
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https://mp.weixin.qq.com/s/on2M1FnOPk-Xl7mcKhXkvg超级精简系列之十一:超级精简的IO模拟SPI的C实现之SPIFLASH编辑器实现。 二.屏介绍 2.1接口 我这里选用的是QX200B1201-1这个模组,是一个240x320,最大支持18位,即262k色的TFT屏,一般使用16位色即可。控制器是ST 7789T3,没有找到后缀T3的手册,网上可以...