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)。 -...
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...
11. 12. 13. 14. 15. 开头用DOCTYPE定义了文档类型,其次最外层是html标签,最后还有对应的结束标签表示闭合,其内部是head标签和body标签,分别代表网页头和网页体,它们也需要结束标签。head标签内定义了一些页面的配置和引用。 3.节点树及节点间的关系 在HTML中,所有标签定义的内容都是节点,它们构成了一个HTML DOM...
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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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This component provides a Python version, a castration version of the. NET version, removes all server function codes, retains some of the client function code, facilitates data interaction with PLC, devices, and data interaction with C # programs for cross-platform operation ...
twisted.python.usage.Options - An option list parser class twisted.application.app.ServerOptions - No class docstring; 2/6 methods documented twisted.scripts._twistd_unix.ServerOptions - No class docstring; 1/2 methods documented twisted.scripts._twistw.ServerOptions - No class docstring; 1/1 me...
We would like to thank Gary Flynn, David Lonergan, Peter Pallai, Warren Wade, Zoltan Zubovics, Yun Yang and Zhipeng Wu for chemistry support. We thank the Advanced Photon Source on the Northeastern Collaborative Access Team beam lines, supported by a grant from the National Institute of ...