From deaaa18131675b17ef4fa49befa80cfb09778898 Mon Sep 17 00:00:00 2001
From: zhangbo <zhangbo@qq.com>
Date: 星期五, 13 六月 2025 18:09:02 +0800
Subject: [PATCH] 这是工卡机测试版本
---
keil/include/drivers/PCA9555.c | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/keil/include/drivers/PCA9555.c b/keil/include/drivers/PCA9555.c
index 6a8bdd3..6e25e0d 100644
--- a/keil/include/drivers/PCA9555.c
+++ b/keil/include/drivers/PCA9555.c
@@ -503,6 +503,25 @@
}
}
+int read_init_5v_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];
+ gpio_state111=gpio_state;
+ if(gpio_state==0xFFFF)
+ {return 0;}
+ if(INPUT_5V_POSITION&gpio_state)
+ {
+ Set5VState(1);
+ return 1;
+ }
+ else
+ {
+ Set5VState(0);
+ return 0;
+ }
+}
/*读取供电引脚的输入高低电平
返回值 高1 低0 电平
*/
--
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