From 9391d46ff4167f332cdbfb75bb5f95b2560997f0 Mon Sep 17 00:00:00 2001
From: wangfq <wangfq@collectpublish.net>
Date: Mon, 29 Jun 2026 15:37:10 +0800
Subject: [PATCH] =?UTF-8?q?tune:=20WINDOW=5FORIGIN=20100=E2=86=92500,=20?=
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- 新增 WINDOW_ORIGIN 宏，替换硬编码 100
- 500 × 10ms = 5s, 与 M1H 原始设计一致
- 500 样本滑动平均提供更强的噪声抑制
- vd960Loop 同步修改
---
 utilities/at32f421_freertos_demo/inc/TaskLoop.h | 2 ++
 utilities/at32f421_freertos_demo/src/TaskLoop.c | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/utilities/at32f421_freertos_demo/inc/TaskLoop.h b/utilities/at32f421_freertos_demo/inc/TaskLoop.h
index 6d4e557..639b68c 100644
--- a/utilities/at32f421_freertos_demo/inc/TaskLoop.h
+++ b/utilities/at32f421_freertos_demo/inc/TaskLoop.h
@@ -47,6 +47,8 @@
  *===========================================================================*/
 #define   USE_FLATNESS_EXIT   1
 
+#define   WINDOW_ORIGIN       500           // 基线跟踪窗口 (500 × 10ms = 5s)
+
 /*===========================================================================
  * 频率测量参数
  * MEASUREMENT_BASE: 自适应测量窗口目标值 (≈131072)
diff --git a/utilities/at32f421_freertos_demo/src/TaskLoop.c b/utilities/at32f421_freertos_demo/src/TaskLoop.c
index 6ab4497..ed82c2b 100644
--- a/utilities/at32f421_freertos_demo/src/TaskLoop.c
+++ b/utilities/at32f421_freertos_demo/src/TaskLoop.c
@@ -682,7 +682,7 @@ void vd1_task(void)
         loop1_CAPVD_fast = loop1_Value;
 
         update_moving_average(&loop1_ORG_SUM, &loop1_ORG_CNT,
-                              &loop1_Origin, loop1_CAPVD, 100);
+                              &loop1_Origin, loop1_CAPVD, WINDOW_ORIGIN);
         _stable_cnt++;
         if (_stable_cnt >= STABLE_SAMPLES) {
             g_loop_stable = 1;
@@ -706,7 +706,7 @@ void vd1_task(void)
                 /* CAPVD 未显著高于基线 → 安全跟踪，重置冻结计数 */
                 loop1_freeze_cnt = 0;
                 update_moving_average(&loop1_ORG_SUM, &loop1_ORG_CNT,
-                                      &loop1_Origin, loop1_CAPVD, 100);
+                                      &loop1_Origin, loop1_CAPVD, WINDOW_ORIGIN);
             } else {
                 /* CAPVD 异常偏高 → 冻结跟踪 */
                 if (loop1_freeze_cnt == 0) {