File content as of revision 0:ee91220d7bea:

#include "mbed.h"

#define numsamples 1
int touchSense1(void);
int touchSense2(void);
int senderror ();
int senderror2 ();
int test1();
int test2();
DigitalOut myled1(LED1);
AnalogIn input1(p20);
DigitalIn charger1(p19);
DigitalOut ground1(p18);

DigitalOut myled2(LED2);
AnalogIn input2(p15);
DigitalIn charger2(p16);
DigitalOut ground2(p17);
Serial pc(USBTX, USBRX); // tx, rx
char str[40];
char str2[40];
int length=0;
int touchSense1(void) {
    float sample;
    ground1 = 0;
    charger1.mode(PullUp);
    charger1.mode(PullNone);
    sample=input1.read();
    if (sample < 0.3) {
        return 1;
    } else {
        return 0;
    }
}

int touchSense2(void) {
    float sample;
    ground2 = 0;
    charger2.mode(PullUp);
    charger2.mode(PullNone);
    sample=input2.read();
    if (sample < 0.3) {
        return 1;
    } else {
        return 0;
    }
}

int senderror () {
    pc.printf("Touch Error");
    return 0;
    }

int senderror2 () {
    pc.printf("Host Error");
    return 0;
    }

 
 
 
  
  int test1()
  {
     int j=1000;
     int judge=0;
     for (int i=0;i<j;i++)
     {   if(touchSense1()) {judge=1;}}
     return judge;
     }
    
  int test2()
  {
     int j=1000;
     int judge=0;
     for (int i=0;i<j;i++)
     {   if(touchSense2()) {judge=1;}}
     return judge;
     }