开关控制led灯

2026-08-11 23:30:04 +08:00
parent 57e7ee15e5
commit beea93edb8
6 changed files with 109 additions and 27 deletions
--- a/BSP/Key.c
+++ b/BSP/Key.c
@@ -0,0 +1,29 @@
+#include "stm32f10x.h"
+#include "Delay.h"
+
+void Key_Init(void) {
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
+
+    GPIO_InitTypeDef GPIO_InitStructure;
+    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
+    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_11;
+
+    GPIO_Init(GPIOB, &GPIO_InitStructure);
+}
+
+uint8_t Key_GetNum(void) {
+    uint8_t KeyNum = 0;
+    if (GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_1) == 0) {
+        Delay_ms(10);
+        while (GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_1) == 0);
+        KeyNum = 1;
+    }
+    if (GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_11) == 0) {
+        Delay_ms(10);
+        while (GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_11) == 0);
+        KeyNum = 2;
+    }
+
+    return KeyNum;
+}