{"id":70364,"date":"2026-02-01T21:17:52","date_gmt":"2026-02-01T13:17:52","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/70364.html"},"modified":"2026-02-01T21:17:52","modified_gmt":"2026-02-01T13:17:52","slug":"stm32%ef%bc%8811%ef%bc%89-gpio%e8%be%93%e5%87%ba%ef%bc%8c%e5%ba%93%e5%87%bd%e6%95%b0%e7%82%b9%e7%81%af","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/70364.html","title":{"rendered":"STM32\uff0811\uff09-- GPIO\u8f93\u51fa\uff0c\u5e93\u51fd\u6570\u70b9\u706f"},"content":{"rendered":"<\/p>\n

\"\"<\/p>\n

1. \u786c\u4ef6\u539f\u7406\u56fe<\/h2>\n

\"\"<\/p>\n

\u8981\u70b9\u4eae\u8fd9\u51e0\u4e2aLED\u706f，\u5bf9\u5e94\u5f15\u811a\u90fd\u9700\u8981\u8f93\u51fa\u4f4e\u7535\u5e73<\/p>\n

2.\u00a0 \u8f6f\u4ef6\u8bbe\u8ba1<\/h2>\n

2.1 \u65b0\u589e\u9a71\u52a8\u6587\u4ef6<\/h3>\n

\"\"<\/p>\n

\"\"<\/p>\n

\u65b0\u5efaLED\u9a71\u52a8\u7684\u5934\u6587\u4ef6\u548c\u6e90\u6587\u4ef6，<\/p>\n

\u6ce8：\u6b64\u5904\u5c06LED\u7684\u4e24\u4e2a\u6587\u4ef6\u65b0\u5efa\u5728\u4e86\u5de5\u7a0b\u7684User\u6587\u4ef6\u5939\u4e2d，\u5c31\u4e0d\u7528\u518d\u5305\u542b\u5934\u6587\u4ef6\u4e86；\u5982\u679c\u5728User\u6587\u4ef6\u5939\u4e0b\u518d\u5efa\u4e86\u4e00\u4e2a\u6587\u4ef6\u5939，\u5c06LED\u7684\u9a71\u52a8\u6587\u4ef6\u653e\u5728\u5176\u4e2d，\u90a3\u9700\u8981\u5728keil\u4e2d\u65b0\u589e\u5934\u6587\u4ef6\u7684\u5305\u542b\u8def\u5f84\u3002<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

2.2 \u9a71\u52a8\u6587\u4ef6\u7684\u5b9e\u73b0<\/h3>\n

\u5728\u9a71\u52a8\u6587\u4ef6\u4e2d\u80af\u5b9a\u4f1a\u7528\u5230GPIOA\u3001GPIOB\u7b49\u5b8f\u5b9a\u4e49，\u6240\u4ee5\u9700\u8981\u5305\u542b\u201cstm32f4xx.h\u201d\u6587\u4ef6，\u8fd9\u4e2a\u6587\u4ef6\u4e2d\u5305\u542b\u5bc4\u5b58\u5668\u6620\u5c04\u7b49\u5b9a\u4e49<\/p>\n

\"\"<\/p>\n

\u5916\u8bbe\u7684\u521d\u59cb\u5316\u914d\u7f6e<\/span><\/p>\n

1. \u5f00GPIO\u7684\u65f6\u949f<\/span><\/p>\n

2. \u5b9a\u4e49\u4e00\u4e2aGPIO\u7684\u521d\u59cb\u5316\u7ed3\u6784\u4f53<\/span><\/p>\n

3. \u914d\u7f6eGPIO\u521d\u59cb\u5316\u7ed3\u6784\u4f53\u6210\u5458<\/span><\/p>\n

4. \u8c03\u7528GPIO\u521d\u59cb\u5316\u51fd\u6570，\u628a\u914d\u7f6e\u597d\u7684\u7ed3\u6784\u4f53\u6210\u5458\u7684\u53c2\u6570\u5199\u5165\u5bc4\u5b58\u5668<\/span><\/p>\n

2.2.1 \u5f00\u542f\u65f6\u949f<\/h4>\n

\u9700\u5f00\u542fGPIOF\u548cGPIOC\u7684\u65f6\u949f，\u67e5\u624b\u518c，\u8fd9\u4e24\u4e2a\u5916\u8bbe\u4f4d\u4e8eAHB1\u603b\u7ebf\u4e0a<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\u6bcf\u4e2a\u51fd\u6570\u90fd\u53ef\u4ee5\u5728.c\u6587\u4ef6\u4e2d\u67e5\u770b\u5b9a\u4e49\u3001\u51fd\u6570\u5f62\u53c2\u7684\u53ef\u53d6\u7684\u503c，\u5982\u4e0b\u793a\u4f8b：<\/p>\n

\/**
\n * @brief Enables or disables the AHB1 peripheral clock.
\n * @note After reset, the peripheral clock (used for registers read\/write access)
\n * is disabled and the application software has to enable this clock before
\n * using it.
\n * @param RCC_AHBPeriph: specifies the AHB1 peripheral to gates its clock.
\n * This parameter can be any combination of the following values:
\n * @arg RCC_AHB1Periph_GPIOA: GPIOA clock
\n * @arg RCC_AHB1Periph_GPIOB: GPIOB clock
\n * @arg RCC_AHB1Periph_GPIOC: GPIOC clock
\n * @arg RCC_AHB1Periph_GPIOD: GPIOD clock
\n * @arg RCC_AHB1Periph_GPIOE: GPIOE clock
\n * @arg RCC_AHB1Periph_GPIOF: GPIOF clock
\n * @arg RCC_AHB1Periph_GPIOG: GPIOG clock
\n * @arg RCC_AHB1Periph_GPIOG: GPIOG clock
\n * @arg RCC_AHB1Periph_GPIOI: GPIOI clock
\n * @arg RCC_AHB1Periph_GPIOJ: GPIOJ clock (STM32F42xxx\/43xxx devices)
\n * @arg RCC_AHB1Periph_GPIOK: GPIOK clock (STM32F42xxx\/43xxx devices)
\n * @arg RCC_AHB1Periph_CRC: CRC clock
\n * @arg RCC_AHB1Periph_BKPSRAM: BKPSRAM interface clock
\n * @arg RCC_AHB1Periph_CCMDATARAMEN CCM data RAM interface clock
\n * @arg RCC_AHB1Periph_DMA1: DMA1 clock
\n * @arg RCC_AHB1Periph_DMA2: DMA2 clock
\n * @arg RCC_AHB1Periph_DMA2D: DMA2D clock (STM32F429xx\/439xx devices)
\n * @arg RCC_AHB1Periph_ETH_MAC: Ethernet MAC clock
\n * @arg RCC_AHB1Periph_ETH_MAC_Tx: Ethernet Transmission clock
\n * @arg RCC_AHB1Periph_ETH_MAC_Rx: Ethernet Reception clock
\n * @arg RCC_AHB1Periph_ETH_MAC_PTP: Ethernet PTP clock
\n * @arg RCC_AHB1Periph_OTG_HS: USB OTG HS clock
\n * @arg RCC_AHB1Periph_OTG_HS_ULPI: USB OTG HS ULPI clock
\n * @param NewState: new state of the specified peripheral clock.
\n * This parameter can be: ENABLE or DISABLE.
\n * @retval None
\n *\/
\nvoid RCC_AHB1PeriphClockCmd(uint32_t RCC_AHB1Periph, FunctionalState NewState)
\n{
\n \/* Check the parameters *\/
\n assert_param(IS_RCC_AHB1_CLOCK_PERIPH(RCC_AHB1Periph));<\/p>\n

assert_param(IS_FUNCTIONAL_STATE(NewState));
\n if (NewState != DISABLE)
\n {
\n RCC->AHB1ENR |= RCC_AHB1Periph;
\n }
\n else
\n {
\n RCC->AHB1ENR &= ~RCC_AHB1Periph;
\n }
\n}<\/p>\n

\/\/1.\u5f00\u542f\u65f6\u949f
\nRCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC,ENABLE);
\nRCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOF,ENABLE);<\/p>\n

2.2.2 \u5b9a\u4e49\u521d\u59cb\u5316\u7ed3\u6784\u4f53<\/h4>\n

\"\"<\/p>\n

\u6ce8\u91ca\u4e2d\u5199\u660e\u4e86\u53c2\u6570\u53ef\u53d6\u7684\u679a\u4e3e\u503c<\/p>\n

\/\/2.\u5b9a\u4e49\u521d\u59cb\u5316\u7ed3\u6784\u4f53
\nGPIO_InitTypeDef GPIO_InitStruct;<\/p>\n

2.2.3 \u914d\u7f6eGPIO\u521d\u59cb\u5316\u7ed3\u6784\u4f53\u6210\u5458<\/h4>\n

\/\/3.\u914d\u7f6eGPIO\u521d\u59cb\u5316\u7ed3\u6784\u4f53\u6210\u5458
\nGPIO_InitStruct.GPIO_Pin = GPIO_Pin_6;
\nGPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
\nGPIO_InitStruct.GPIO_Speed = GPIO_High_Speed;
\nGPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
\nGPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_UP;\/\/\u914d\u7f6e\u4e3a\u4e0a\u62c9\u6a21\u5f0f<\/p>\n

2.2.4 \u8c03\u7528GPIO\u521d\u59cb\u5316\u51fd\u6570<\/h4>\n

\/\/4.GPIO\u521d\u59cb\u5316\u51fd\u6570
\nGPIO_Init(GPIOF,&GPIO_InitStruct);<\/p>\n

\u6ce8：\u6b64\u65f6\u5b8c\u6210\u521d\u59cb\u5316\u540e，\u7aef\u53e3\u88ab\u914d\u7f6e\u4e3a\u4e0a\u62c9\u3001\u63a8\u633d\u8f93\u51fa\u6a21\u5f0f；\u67e5\u624b\u518c\u53ef\u77e5，\u5f53\u4e0a\u7535\u590d\u4f4d\u540e，ODR（\u8f93\u51fa\u6570\u636e\u5bc4\u5b58\u5668）\u9ed8\u8ba4\u591a\u4e3a 0，\u6240\u4ee5\u5f15\u811a\u9ed8\u8ba4\u4f1a\u8f93\u51fa\u4f4e\u7535\u5e73，\u53ea\u8c03\u7528\u6b64\u51fd\u6570\u7684\u8bdd，\u706f\u4f1a\u88ab\u70b9\u4eae\u3002<\/span><\/p>\n

\u5185\u90e8\u4e0a\u62c9\u4e3b\u8981\u5f71\u54cd\u8f93\u5165\u6001\/\u9ad8\u963b\u6001\u65f6\u7535\u5e73；\u4e00\u65e6\u63a8\u633d\u8f93\u51fa\u5f00\u59cb\u9a71\u52a8，\u8f93\u51fa\u7535\u5e73（\u5c24\u5176\u662f\u4f4e\u7535\u5e73）\u4f1a\u8986\u76d6\u4e0a\u62c9\u6548\u679c\u3002<\/span><\/p>\n

3. \u4e3b\u51fd\u6570\u7684\u5b9e\u73b0<\/h2>\n

#include "stm32f4xx.h"
\n#include "led.h"<\/p>\n

void delay(uint32_t count);
\nint main(void)
\n{
\nLED_Config();<\/p>\n

while(1)
\n{
\nGPIO_SetBits(GPIOF,GPIO_Pin_6);
\ndelay(0xFFFFFF);
\nGPIO_ResetBits(GPIOF,GPIO_Pin_6);
\ndelay(0xFFFFFF);
\n}<\/p>\n

}<\/p>\n

void delay(uint32_t count)\/\/\u8f6f\u4ef6\u5ef6\u65f6
\n{
\nfor(;count>0;count–);
\n}<\/p>\n

4. \u6807\u51c6\u5e93\u8865\u5145\u77e5\u8bc6<\/h2>\n

4.1 \u7cfb\u7edf\u521d\u59cb\u5316，\u65f6\u949f\u914d\u7f6e<\/h3>\n

\"\"<\/p>\n

4.2 \u65ad\u8a00<\/h3>\n

\"\"<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\u201c\u65ad\u8a00（assert）\u201d\u4f60\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u6210：\u7a0b\u5e8f\u5458\u5728\u4ee3\u7801\u91cc\u5199\u7684\u201c\u6211\u8981\u6c42\u8fd9\u91cc\u5fc5\u987b\u6ee1\u8db3\u67d0\u4e2a\u6761\u4ef6，\u5426\u5219\u7acb\u523b\u62a5\u9519\u201d \u7684\u68c0\u67e5\u3002<\/p>\n