File content as of revision 0:cd8526d38aea:

/* mbed Microcontroller Library
 * Copyright (c) 2019 ARM Limited
 * SPDX-License-Identifier: Apache-2.0
 */

#include "mbed.h"
#include "platform/mbed_thread.h"


// Blinking rate in milliseconds
#define BLINKING_RATE_MS 500
#define SW2 P0_4
// #define alsOut P10_0



int main()
{
    // Initialise the digital pin LED1 as an output
    DigitalOut led(LED1);
    DigitalIn pushButton(SW2, PullUp);
    DigitalOut thermVcc(P10_3);
    DigitalOut thermGnd(P10_0);
    AnalogIn thermVal(P10_1);
   
    thermVcc = 1; 
    thermGnd = 0; 
    while (true) {
        if (pushButton == 0)
        {
        led=!led;
        /*read thermistor Voltage*/ 
            float refVoltage = thermVal.read() * 2.4;// Range of ADC 0->2*Vref
            float refCurrent = refVoltage / 10000.0; //10k Reference Resistor
            float therVoltage = 3.3 - refVoltage; // Assume supply voltage is 3.3v
            float thermResistance = therVoltage / refCurrent;
            float logrT = (float32_t)log((float64_t)thermResistance);
            
            /*Calculate temperature from the resistance of thermistor using Steinhart-Hart Equation*/
            float stEqn = (float32_t) ((0.0009032679) + ((0.000248772) * logrT) + ((2.041094E-07) * pow((float64)logrT, (float32)3)));
                                     
            float temperatureC = (float32_t)(((1.0 / stEqn) - 273.15) + 0.5); 
            
                        
            printf("Temerpature is %f C\r\n", temperatureC);
            }
        thread_sleep_for(BLINKING_RATE_MS);
    }
}