蓝牙现在通过PCA9555关闭使能，反初始化串口，拉低PCA中断脚，现在是0.8v

zhangbo

2025-04-23 755f0e3a86e41e9e3cb98f36578b3199c6206e59

 keil/include/drivers/PCA9555.c

@@ -1,5 +1,6 @@
#include "PCA9555.h"
#include "mk_power.h"
//#include "DBG.h"
#include "lora_3029.h"
uint8_t gps_led_output_state,tts_enbale_output_state,wake_up_output_state,air780e_enable_output_state,sos_enable_output_state,gps_backup_output_state,gps_power_output_state,main_ri_output_state;//1组output IO口从左到右1.0~1.7
uint8_t mcu_a_output_state,chg_g_output_state,lora_irq_output_state,lora_nrst_output_state,adc_minius_output_state,input_5v_output_state,pwr_on_output_state,pwr_enable_output_state;//2组output IO口从左到右0.0~0.7
@@ -462,15 +463,49 @@
/*读取5V引脚的输入高低电平
  返回值 高1 低0 电平
*/
uint16_t gpio_state111;
extern uint8_t input5v_time;
uint8_t _5VState = 0;
uint8_t Get5VState()
{
    return _5VState;
}

void Set5VState(uint8_t state)
{
//    if(_5VState != state)
//    {
//        DBG_SetMode(DBG_MODE_CHARGE);
//    }
    _5VState = state;
}

int read_5v_input_pca(void)
{PCA9555_readdata(PCA9555_DEVICE_ADDR,pca9555writedata_input);//读输入寄存器的值
{
    if(input5v_time)
    {
        input5v_time=0;    
        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(INPUT_5V_POSITION&gpio_state)
//      return 1;
//   else {
//      return 0;
//   }
        gpio_state111=gpio_state;
        if(gpio_state==0xFFFF)
        {return 0;}
        if(IN_5V_POSITION&gpio_state)
        {
            Set5VState(1);
            return 1;
        }
        else
        {
            Set5VState(0);
            return 0;
        }
    }
    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
@@ -534,8 +569,11 @@
      PCA9555_Set_One_Value_Output(BT_EN,0);   
     PCA9555_Set_One_Value_Config(MOTO,0);       //设置MOTO为输出
   
     PCA9555_Set_One_Value_Config(PWR_GND,0);     //设置PWR_GND为输出	
     PCA9555_Set_One_Value_Output(PWR_GND,0);    //拉低
	
      //PCA9555_Set_One_Value_Config(LORA_IRQ,1);      //设置LORAIRQ为输入
     PCA9555_Set_One_Value_Config(BT_IRQ,1);        //设置BT_IRQ为输入

    PCA9555_Set_One_Value_Config(WK_UP,1);         //设置WK_UP为输入
      PCA9555_Set_One_Value_Config(SOS_ENBALE,1);   //设置SOS为输入
     PCA9555_Set_One_Value_Config(IN_5V,1);      //设置IN_5V为输入
@@ -605,7 +643,7 @@
   SOS_KEY_STATE=!SOS_KEY_STATE;
   if(SOS_KEY_STATE)
   {
   GREEN_LED_ON;
//   GREEN_LED_ON;
//   onemin_onesecond_flag=1;
//   uwb_time_count=0;
//   CloseUWB();
@@ -613,7 +651,7 @@
   else
   {
//   onemin_onesecond_flag=0;
   GREEN_LED_OFF;
//   GREEN_LED_OFF;
//   uwb_time_count=0;
//   CloseUWB();
   }
@@ -646,6 +684,10 @@
             //移动
         move_handler();
            }
            if(BT_IRQ_POSITION&gpio_state)
            {

            }

}