开关机逻辑完成，可实现无jlink下开关机

chen

2024-12-17 932b0ff31177b22810351183c9c47e82589167cd

 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);