Upload files to "3-5 GPIO_光敏传感器/Hardware"

2026-02-21 20:02:19 -05:00
parent e4332cafe8
commit 6a3b8de88d
5 changed files with 160 additions and 0 deletions
--- a/GPIO_光敏传感器/Hardware/key.c
+++ b/GPIO_光敏传感器/Hardware/key.c
@@ -0,0 +1,41 @@
+#include "stm32f10x.h"                  // Device header
+#include "Delay.h"
+
+
+
+void KeyInit(void)
+{
+	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);
+	
+	GPIO_InitTypeDef GPIO_InitStructure;
+	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
+	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_11;
+	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+	
+	GPIO_Init(GPIOB,&GPIO_InitStructure);
+}
+
+uint8_t Key_GetNum(void)
+{
+	uint8_t Key_Num = 0;
+	if(GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_1) == 0)
+		{
+			Delay_ms(20);//消抖
+			while(GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_1) == 0) ;//按键未弹起，循环等待
+			Delay_ms(20);
+			Key_Num = 1;
+		}
+	
+		if(GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_11) == 0)
+		{
+			Delay_ms(20);//消抖
+			while(GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_11) == 0) ;//按键未弹起，循环等待
+			Delay_ms(20);
+			Key_Num = 2;
+		};
+	return Key_Num;
+}
+
+
+
+