From bddf0b37dfea62d0d3f7f5f8c180c24727665b68 Mon Sep 17 00:00:00 2001
From: WXK <287788329@qq.com>
Date: 星期一, 26 五月 2025 09:59:25 +0800
Subject: [PATCH] Merge branch 'MK大工卡-低精度GPS-1/5HZ' of http://47.108.70.204:60062/r/ChinaUWBProject into MK大工卡-低精度GPS-1/5HZ

---
 keil/include/drivers/PCA9555.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/keil/include/drivers/PCA9555.c b/keil/include/drivers/PCA9555.c
index fb5073e..6a8bdd3 100644
--- a/keil/include/drivers/PCA9555.c
+++ b/keil/include/drivers/PCA9555.c
@@ -543,6 +543,10 @@
 	
 	PCA9555_Set_One_Value_Config(GPS_POWER,0);//设置GPS为输出
 	PCA9555_Set_One_Value_Output(GPS_POWER,1);//拉高GPS
+    
+    PCA9555_Set_One_Value_Config(GPS_BACKUP,0);//设置GPS备用电源为输出
+	PCA9555_Set_One_Value_Output(GPS_BACKUP,1);//拉高GPS
+    
 //    while(1)
 	PCA9555_Set_One_Value_Config(ADC_MINIUS,0);//设置ADC输出
 	PCA9555_Set_One_Value_Output(ADC_MINIUS,1);//默认拉高

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