From 7a06dab17a4c64e15a5d003a5f5d1e1382229087 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=8D=E5=90=83=E6=B2=B9=E7=82=B8=E9=B8=A1?=
 <1425962791@qq.com>
Date: Mon, 18 Aug 2025 14:11:27 +0800
Subject: [PATCH] update beep pwm drive

---
 Power_Pico/BSP/BEEP/beep.c | 10 ++++++++++
 Power_Pico/BSP/BEEP/beep.h | 18 ++++++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 Power_Pico/BSP/BEEP/beep.c
 create mode 100644 Power_Pico/BSP/BEEP/beep.h

diff --git a/Power_Pico/BSP/BEEP/beep.c b/Power_Pico/BSP/BEEP/beep.c
new file mode 100644
index 0000000..8b647bd
--- /dev/null
+++ b/Power_Pico/BSP/BEEP/beep.c
@@ -0,0 +1,10 @@
+#include "beep.h"
+#include "tim.h"
+
+void beep_open(void) {
+    HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_4); // 启动PWM通道4用于蜂鸣器
+}
+
+void beep_close(void) {
+    HAL_TIM_PWM_Stop(&htim4, TIM_CHANNEL_4); // 停止PWM通道4
+}
diff --git a/Power_Pico/BSP/BEEP/beep.h b/Power_Pico/BSP/BEEP/beep.h
new file mode 100644
index 0000000..67a4a4e
--- /dev/null
+++ b/Power_Pico/BSP/BEEP/beep.h
@@ -0,0 +1,18 @@
+#ifndef __BEEP_H__
+#define __BEEP_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "main.h"
+
+void beep_open(void);
+void beep_close(void);
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+