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GPIO的通用性使其应用场景覆盖了嵌入式系统的所有领域，不同场景的需求差异，决定了 GPIO 的配置方式与硬件设计细节。从消费电子的 LED 控制，到工业控制的传感器连接，从汽车电子的开关检测，到物联网设备的低功耗唤醒，GPIO 的应用虽看似简单，却蕴含着 ...

在嵌入式系统与外部物理世界的连接中，存在一种最基础、最灵活的接口 ——GPIO（General Purpose Input/Output，通用输入输出）。它不像串口、SPI 那样有固定的通信协议，也不像 ADC、DAC 那样专注于模拟信号转换，却能通过简单的配置，成为连接传感器、执行器 ...

GPIO端口的每个位可以由软件分别配置成8种模式。 ─推挽式复用功能 ─开漏复用功能 GPIO的模式配置均是从对应的参考手册内的GPIO章节的GPIO功能描述内的表18得到的。表内各个数值对应的内容从stm32f4xx_gpio.h文件内得到。 typedef struct { uint32_t GPIO_Pin; GPIOMode_TypeDef ...

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本案例讲解树莓派的GPIO接口相关知识。 第1～12章介绍了树莓派在网络应用和编程方面的基础知识。从本章开始，进入树莓派硬件开发的学习，将树莓派与各种硬件设备（LED、传感器、继电器和电动机等）相连接，并通过对树莓派的GPIO接口进行编程来感知和控制 ...

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Ayyoun is a staff writer who loves all things gaming and tech. His journey into the realm of gaming began with a PlayStation 1 but he chose PC as his platform of choice. With over 6 years of ...

The tutorial of Elden Ring Nightreign has players fighting the Fell Omen. Many will fall to this boss, unable to beat it. But that begs the question: What do you get if you beat the Fell Omen in the ...