From 1790a9fd427ffc699819b4aa00694446fd1c0d2a Mon Sep 17 00:00:00 2001
From: wangfq <wangfq@collectpublish.net>
Date: Fri, 31 Jul 2026 11:44:49 +0800
Subject: [PATCH] =?UTF-8?q?opt:=20=E5=85=89=E8=80=A6=E5=91=BC=E5=90=B8?=
 =?UTF-8?q?=E5=8A=A0=E9=80=9F=20STEP=2016=E2=86=9232=20(~0.5s=20=E5=91=A8?=
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---
 BLE/DLD154Pro_Peripheral_28K/APP/peripheral_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/BLE/DLD154Pro_Peripheral_28K/APP/peripheral_main.c b/BLE/DLD154Pro_Peripheral_28K/APP/peripheral_main.c
index 051ef23..e42409f 100644
--- a/BLE/DLD154Pro_Peripheral_28K/APP/peripheral_main.c
+++ b/BLE/DLD154Pro_Peripheral_28K/APP/peripheral_main.c
@@ -86,7 +86,7 @@ uint8_t g_rs485_id = 0;
  * LEDB 红色呼吸灯 (PB23, PWM11) — 心跳指示
  *   PWM freq ≈ 60MHz / (PWM_CLK_DIV * 128) ≈ 5.86kHz @DIV=80
  *   无光耦信号: 周期 ≈ 16步×2 + 3tick×2 ≈ 1.9s (DUTY_STEP=8, HOLD=3)
- *   光耦有信号: 周期 ≈  8步×2 + 1tick×2 ≈ 0.9s (DUTY_STEP=16, HOLD=1)
+ *   光耦有信号: 周期 ≈  4步×2 + 1tick×2 ≈ 0.5s (DUTY_STEP=32, HOLD=1)
  *   复位模式(6)除外，光耦有信号不加速
  *===========================================================================*/
 #define  PWM_CLK_DIV          80
@@ -100,7 +100,7 @@ uint8_t g_rs485_id = 0;
 #define  BREATH_HOLD_LOW      3
 
 /* 光耦有信号时加速参数 (周期 ~1s) */
-#define  BREATH_OPTO_DUTY_STEP  16         // 步长加倍 → 渐亮/渐灭各 8 步
+#define  BREATH_OPTO_DUTY_STEP  32         // 步长 4x → 渐亮/渐灭各 4 步 (~0.5s 周期)
 #define  BREATH_OPTO_HOLD_TICKS 1          // 保持 50ms
 
 static uint8_t  g_breath_phase = BREATH_FADE_IN;