File content as of revision 0:e923de71caa5:

#include "mbed.h"
#include "data_wifi.h"
#include "data_pc.h"
#include "cJSON.h"
#include "esp8266.h"
 


Timer ttt;

char RX[33],RXX[33];
unsigned int m=0;



void wifi_decode()
{
    double zitai_date;
    float bbb;
    ttt.start();
    ttt.read(); 
    bbb=ttt.read(); 
      cJSON *root = cJSON_Parse(RXX);
    if(!root)                        
    {
        printf("Error in cjosn: [%s]\n",cJSON_GetErrorPtr());
    }
    else
    {        
           
         cJSON *temp1 = cJSON_GetObjectItem(root,"J");  
         cJSON *temp = cJSON_GetObjectItem(temp1,"a");
            
        if(temp != NULL)                                        
        {
            if(temp->type == cJSON_Number)                       
            {
               zitai_date = temp->valuedouble;                              //double型    valuedoule
            }
        }
                
    }

    cJSON_Delete(root);       
       
     //pc.printf("%.4f,%.3f\r\n",zitai_date,bbb);
     pc.printf("zitai %.4f\r\n",zitai_date);
}

void wifi_clear()
{
    for(int i = 0; i <m+1; i++){
        RXX[i] = 0;
    }
    m=0;
}


void serial_wifi_isr(void)
{
    static unsigned int A=0,B=0,z=0,n=0,b=0;
    while(wifi.readable())
    {                 
        char c=wifi.getc();
         //pc.putc(c);
         if((c=='{')&&(b<2))
        {
            A = 1;
            B = 0;
            z= 0;
            n=0;
            for(unsigned int i=0;i<33;i++)
            {
                RX[i]=0;      
            }
        }
        if((c == '}')&&(n!=1))
        {
            B = 1;
            RX[z] = '}';
        }   
        if(A==1)
        {
            
            if(B!=1)
            {
                RX[z] = c;   
            } 
              z++;
              b++;
              m=z;
            if(B == 1)
            {
                A = 0;
                B= 0;
                b=0;
                RX[z] = '}';
                z= 0;
                n=1;
                for(unsigned int i = 0; i<m+1; i++)
                {
                   RXX[i] = RX[i] ;
                   //pc.printf("%c",RXX[i]);
                }
                if((RXX[2]=='J')&&(RXX[8]=='a'))
                {
                wifi_decode();
                }              
                wifi_clear(); 
            } 
        }
        
    }
}










AnalogIn    LaLi_pf(PC_1);
AnalogIn    LaLi_df(PC_2);
AnalogIn    LaLi_df1(PC_3);

float La_pf_real = 0.0f, La_df_real = 0.0f,La_df1_real = 0.0f;
float Ffilter_pf[10 + 2] = {0.0f};
float pf_filter = 0.0f;
float F_pf = 0.0f;