From 56f7acb7bd6f35063ccf497664e200fd64f556d8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zeng=20wei=20=28=E6=9B=BE=E5=A8=81=29?= <zeng32@qq.com>
Date: Wed, 3 Apr 2024 17:01:29 +0800
Subject: [PATCH] =?UTF-8?q?=E5=9C=A8=E9=AB=98=E6=B8=A9=E6=A8=A1=E5=BC=8F?=
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 =?UTF-8?q?=E6=A0=87=E6=B8=A9=E5=BA=A6=E6=97=B6=EF=BC=8C=E5=B0=86pid.hp=5F?=
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---
 HARDWARE/PID.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/HARDWARE/PID.c b/HARDWARE/PID.c
index 860ff58..1ecb554 100644
--- a/HARDWARE/PID.c
+++ b/HARDWARE/PID.c
@@ -166,6 +166,11 @@ void PID_Calc() // pid calc
 	float hd = pid.hd_h;
 	int h_base = pid.h_base_h;
 
+	// if now temp is close to set temp, the heater will be less power
+	if (pid.set_tem - pid.now_tem < 3) {
+		hp = pid.hp_h * 0.6;
+	}
+
 	// l mode
 	if (pid.set_tem <= pid.max_compressor_tem) {
 		hp = pid.hp_l;