/////////////////////////////
//
// prog_practice_10 project
// adctk.cpp
//
// 9/30/22  tj
//
// practice using AnalogIn
//
////////////////////////////
#include "mbed.h"
#include <stdio.h>

#define T_WAIT 500000   // 0.5sec

void splash(void);
float scale(float in_val, float scale_val);

// create ADC GLOBAL object and variable
AnalogIn myADC(A3);
float adc_in_val;

int main(void){
    setbuf(stdout, NULL);

    splash();

    // create ticker
    Ticker ADC_Ticker;

    float max_measured;
    ////////
    // characterized maesurement
    ////////
    max_measured = 0.512;
    ////////

    // start ticker
    ADC_Ticker.attach(&tkr_isr, 100000us);
    // infinite loop
    while(1){
        printf("ADC val is: %f\r", adc_in_val);
        wait_us(T_WAIT);
    }// end while

    return 0;
}// end main

void splash(void){
    printf("\n\nAnalog In Program\n\n");

    return;
}// end splash

void tkr_isr(void){
    adc_in_val = ADC_Ticker.read();

    return;
}// end tkr_isr