From 932b0ff31177b22810351183c9c47e82589167cd Mon Sep 17 00:00:00 2001
From: chen <15335560115@163.com>
Date: 星期二, 17 十二月 2024 14:52:23 +0800
Subject: [PATCH] 开关机逻辑完成，可实现无jlink下开关机
---
keil/include/drivers/PCA9555.c | 44 ++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 42 insertions(+), 2 deletions(-)
diff --git a/keil/include/drivers/PCA9555.c b/keil/include/drivers/PCA9555.c
index d9069a2..c65ed39 100644
--- a/keil/include/drivers/PCA9555.c
+++ b/keil/include/drivers/PCA9555.c
@@ -434,6 +434,26 @@
//error
}
}
+/*设置第一个芯片某一通道默认输入的极性
+ num 控制的IO序号 1~17
+ value 控制的IO输出状态 0：非使能 1：使能翻转为电平0
+*/
+void PCA9555_Set_One_Value_Polarity_input(unsigned char num,unsigned char value)
+{
+ if(num >0 && num <17){//第一个芯片IO1-16控制
+ if(num <9){
+ if(value)pca9555writedata_polarity[0] |= 0x01<<(num - 1);//赋值位高
+ else pca9555writedata_polarity[0] &= ~(0x01<<(num - 1));//赋值位低
+ }
+ else{
+ if(value)pca9555writedata_polarity[1] |= 0x01<<(num - 9);//赋值位高
+ else pca9555writedata_polarity[1] &= ~(0x01<<(num - 9));//赋值位低
+ }
+ PCA9555_write_polarity_port_data(PCA9555_DEVICE_ADDR,pca9555writedata_polarity[0],pca9555writedata_polarity[1]);
+ }else{//超出芯片控制
+ //error
+ }
+}
/*读取5V引脚的输入高低电平
返回值 高1 低0 电平
*/
@@ -447,16 +467,30 @@
return 0;
}
}
+/*读取5V引脚的输入高低电平
+ 返回值 高1 低0 电平
+*/
+int read_powerkey_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(PWR_ON_POSITION&gpio_state)
+ return 1;
+ else {
+ return 0;
+ }
+}
void PCA9555_init()
{
//IIC_gpio_pca_init();//配置IIC管脚
//PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,PCA_OUTPUT_CONFIG_MASK,PCA_OUTPUT_CONFIG_MASK);//全配置为输出
-
- PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,PCA_INPUT_CONFIG_MASK,PCA_INPUT_CONFIG_MASK);//全配置为输入
+ //PCA9555_Set_One_Value_Polarity_input(PWR_ON,0);
+ //PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,PCA_INPUT_CONFIG_MASK,PCA_INPUT_CONFIG_MASK);//全配置为输入
//PCA9555_write_polarity_port_data(PCA9555_DEVICE_ADDR,0x00,0x00);//翻转
//PCA9555_Set_One_Value_Config(WAKE_UP,1);
//PCA9555_Set_All_Output(1);
+
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(ADC_MINIUS,0);//设置ADC输出
@@ -466,6 +500,12 @@
PCA9555_Set_One_Value_Config(INPUT_5V,1);//设置5V输入检测
PCA9555_Set_One_Value_Config(GPS_LED,0);//设置LED灯输出
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_Output(PWR_ON,0);//拉低
//PCA9555_readdata_from_output_register(PCA9555_DEVICE_ADDR,pca9555writedata_input);
//PCA9555_Set_One_Value_Output(AIR780E_ENBALE,0);
//PCA9555_Set_One_Value_Output(PWR_ON,0);
--
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