From 5a703887b725038b5d3b4726ee0a107e801ff418 Mon Sep 17 00:00:00 2001
From: zhangbo <zhangbo@qq.com>
Date: 星期五, 11 七月 2025 16:58:55 +0800
Subject: [PATCH] 修改关机时ADC高电平的问题现在统一使用PCA9555_Close_Power管理电源，除了电源使能脚所有的都是低电平，V2.11
---
keil/include/drivers/PCA9555.c | 46 +++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 45 insertions(+), 1 deletions(-)
diff --git a/keil/include/drivers/PCA9555.c b/keil/include/drivers/PCA9555.c
index 027d629..224f783 100644
--- a/keil/include/drivers/PCA9555.c
+++ b/keil/include/drivers/PCA9555.c
@@ -287,7 +287,7 @@
/*写pca9555第二层驱动，可辅助逻辑不破坏最底层驱动,该函数默认配置输出寄存器
addr 芯片地址，0x40表示第一个芯片地址
data_L 写入芯片的前八位数据
- data_H 写入芯片的前后位数据
+ data_H 写入芯片的后八位数据
*/
void PCA9555_write_output_port_data(unsigned char addr,unsigned char data_L,unsigned char data_H)
{
@@ -648,3 +648,47 @@
}
+
+
+
+////0组
+//#define MCU_A 0x01
+//#define CHG_G 0x02
+//#define LORA_IRQ 0x03
+//#define LORA_NRST 0x04
+//#define ADC_MINIUS 0x05
+//#define INPUT_5V 0x06
+//#define PWR_ON 0x07
+//#define PWR_ENABLE 0x08
+////1组
+//#define LED_POWER 0x09
+//#define TTS_ENABLE 0x0A
+//#define WAKE_UP 0x0B
+//#define AIR780E_ENBALE 0x0C
+//#define SOS_ENBALE 0x0D
+//#define GPS_BACKUP 0x0E
+//#define GPS_POWER 0x0F
+//#define MAIN_RI 0x10
+void PCA9555_Close_Power()
+{
+ PCA9555_Set_One_Value_Output(MCU_A,0);
+ PCA9555_Set_One_Value_Output(CHG_G,0);
+ PCA9555_Set_One_Value_Output(LORA_IRQ,0);
+ PCA9555_Set_One_Value_Output(LORA_NRST,0);
+ PCA9555_Set_One_Value_Output(ADC_MINIUS,0);
+ PCA9555_Set_One_Value_Output(INPUT_5V,0);
+// PCA9555_Set_One_Value_Output(PWR_ON,0);
+ PCA9555_Set_One_Value_Output(PWR_ENABLE,0);
+
+ PCA9555_Set_One_Value_Output(LED_POWER,0);
+ PCA9555_Set_One_Value_Output(TTS_ENABLE,0);
+ PCA9555_Set_One_Value_Output(WAKE_UP,0);
+ PCA9555_Set_One_Value_Output(AIR780E_ENBALE,0);
+ PCA9555_Set_One_Value_Output(SOS_ENBALE,0);
+ PCA9555_Set_One_Value_Output(INPUT_5V,0);
+ PCA9555_Set_One_Value_Output(GPS_POWER,0);
+ PCA9555_Set_One_Value_Output(MAIN_RI,0);
+
+ delay_ms(200);
+ PCA9555_Set_One_Value_Output(PWR_ON,0);
+}
--
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