stm32f407的GPIO配置
时间: 2023-08-19 18:05:24 浏览: 69
stm32f407的GPIO配置可以通过以下代码实现:
```c
#include "stm32f4xx.h"
void GPIO_Config(void) {
GPIO_InitTypeDef GPIO_InitStructure;
// 开启GPIO时钟
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOx, ENABLE);
// 配置GPIO引脚
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_x;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_x;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_x;
GPIO_InitStructure.GPIO_OType = GPIO_OType_x;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_x;
GPIO_Init(GPIOx, &GPIO_InitStructure);
}
```
其中,`GPIOx`代表具体的GPIO端口,比如`GPIOA`、`GPIOB`等;`GPIO_Pin_x`代表具体的引脚号,比如`GPIO_Pin_0`、`GPIO_Pin_1`等;`GPIO_Mode_x`代表引脚的工作模式,比如输入模式`GPIO_Mode_IN`、输出模式`GPIO_Mode_OUT`等;`GPIO_Speed_x`代表引脚的速度,比如`GPIO_Speed_2MHz`、`GPIO_Speed_50MHz`等;`GPIO_OType_x`代表引脚的输出类型,比如推挽输出`GPIO_OType_PP`、开漏输出`GPIO_OType_OD`等;`GPIO_PuPd_x`代表引脚的上下拉电阻,比如上拉`GPIO_PuPd_UP`、下拉`GPIO_PuPd_DOWN`等。
通过调用`GPIO_Config`函数,可以实现对具体GPIO端口和引脚的配置。
#### 引用[.reference_title]
- *1* *2* [STM32F407入门学习(1)---GPIO配置](https://blog.csdn.net/shadowfiend10086/article/details/53229724)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [STM32F407之GPIO](https://blog.csdn.net/minyuanxiani/article/details/21409463)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
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