cs_pin int CS引脚,见 machine.Pin 中GPIO引脚编号说明 dc_pin int DC引脚,见 machine.Pin 中GPIO引脚编号说明 rst_pin int RST引脚,见 machine.Pin 中GPIO引脚编号说明 返回值描述: 0 表示成功。 -1 表示屏幕已经初始化。 -2 表示参数错误,为空或过大(大于 1000 像素点)。 -...
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miso为gpio13,模式0,速度为100kHz,cs低电平有效spi=SoftSPI(gpio_clk=SoftSPI.GPIO14,gpio_cs=SoftSPI.GPIO11,gpio_mosi=SoftSPI.GPIO12,gpio_miso=SoftSPI.GPIO13)# 创建四线SPI对象,clk为gpio14,cs为gpio11,mosi为gpio12,miso为gpio13,模式1,速度为50kHz,cs高电平有效spi=SoftSPI(gpio_clk=SoftSPI.GP...
:first-child p:first-child,选择属于父元素的第一个子元素的每个p标签元素 :before p:before,在每个p标签元素的内容之前插入内。(样式指定内容插入到p标签包括的文本之前) :after p:after,在每个p标签元素的内容之后插入内容。(样式指定内容插入到p标签包括的文本之后) :lang(language) p:lang(it),选择的lang...
python修改html class标签的值 python html css 二、网页基础 1.网页的组成 网页可分为三大部分——HTML、CSS和JavaScript。 1.1 HTML HTML是用来描述网页的一种语言,其全称叫作Hyper Text Markup Language,即超文本标记语言。网页包括文字、按钮、图片和视频等各种复杂的元素,其基础架构就是HTML。不同类型的文字...
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public static PythonVersion fromString(String name) Finds or creates a Python version based on the specified name. Parameters: name - a name Returns: a PythonVersion instancevalues public static Collection values() Returns: known Python versionsApplies...
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Questions answered in this articleBetaPowered by GenAIThis is generative AI content and the quality may vary. Learn more. What insights were gained regarding the information contained in class comments across different languages? What taxonomy was used for classifying comments in Java, Python, and Sm...