From af548df2969d4ea695979abc5fb97afae0c0c4d4 Mon Sep 17 00:00:00 2001
From: chen <15335560115@163.com>
Date: 星期三, 18 十二月 2024 18:06:22 +0800
Subject: [PATCH] uwb发射的delay极限时间确定
---
keil/include/drivers/PCA9555.c | 17 +++++++++++++++--
1 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/keil/include/drivers/PCA9555.c b/keil/include/drivers/PCA9555.c
index c65ed39..87f9d57 100644
--- a/keil/include/drivers/PCA9555.c
+++ b/keil/include/drivers/PCA9555.c
@@ -467,7 +467,7 @@
return 0;
}
}
-/*读取5V引脚的输入高低电平
+/*读取供电引脚的输入高低电平
返回值 高1 低0 电平
*/
int read_powerkey_input_pca(void)
@@ -475,6 +475,19 @@
uint16_t gpio_state;
gpio_state=(uint16_t)pca9555writedata_input[0]<<8|pca9555writedata_input[1];
if(PWR_ON_POSITION&gpio_state)
+ return 1;
+ else {
+ return 0;
+ }
+}
+/*读取SOS引脚的输入高低电平
+ 返回值 高1 低0 电平
+*/
+int read_userkey_input_pca(void)
+{PCA9555_readdata(PCA9555_DEVICE_ADDR,pca9555writedata_input);//读输入寄存器的值
+ uint16_t gpio_state;
+ gpio_state=(uint16_t)pca9555writedata_input[0]<<8|pca9555writedata_input[1];
+ if(SOS_ENBALE_POSITION&gpio_state)
return 1;
else {
return 0;
@@ -502,9 +515,9 @@
PCA9555_Set_One_Value_Output(GPS_LED,1);//输出高电平开启LED通闪烁
PCA9555_Set_One_Value_Config(PWR_ENABLE,0);//设置电池上电是否给单片机供电
PCA9555_Set_One_Value_Output(PWR_ENABLE,1);//高电平默认导通单片机供电
-
PCA9555_Set_One_Value_Config(PWR_ON,1);//设置开关机按键输入
+ PCA9555_Set_One_Value_Config(SOS_ENBALE,1);//设置SOS按钮输入
// PCA9555_Set_One_Value_Output(PWR_ON,0);//拉低
//PCA9555_readdata_from_output_register(PCA9555_DEVICE_ADDR,pca9555writedata_input);
//PCA9555_Set_One_Value_Output(AIR780E_ENBALE,0);
--
Gitblit v1.9.3