File content as of revision 3:98ca4bf2e74a:

#include "mbed.h"
#include "Ticker.h"
#include "BLE_Driver.h"
#include "MAX30100.h"
#include "I2C_Driver.h"
#include "PROCESAMIENTO_SPO2_FC.h"

#define nRF51DK
//#define nRF52DK


#ifdef nRF52DK
#define SCL         28
#define SDA         29
#endif

#ifdef nRF51DK
#define SCL         7  
#define SDA         6
#endif

//**************************
int muestras_RED[200];
int muestras_IR[200];
int samples_index = 0;
int max_min_period[2];
int pico_pico,cresta, valle, cantidad;
float frecuencia,periodo;

int index, aux1, nmuestra;

char show[10];

//******************

InterruptIn SMPRDY(p0);
DigitalOut LIVE_LED(p21, 1);
DigitalOut CONECT_LED(p22, 1);
DigitalOut TEST_LED(p23, 1);
DigitalOut LED(p24, 1);
//DigitalIn TEST_BUTTON(p17,PullUp);

Ticker Flasher;
MAX30100 sensor;

void callbackBLE(int event) {
    switch (event){
        case 1:     CONECT_LED = 1; break;
        case 2:     CONECT_LED = 0; break;
        default:    break;
        }
    }

void periodicCallback(void){
    LIVE_LED =! LIVE_LED;
    }

void store_Samples(void){
    if (samples_index == 200){
        periodo = valores(muestras_IR,max_min_period);
        frecuencia=60/(periodo*0.02);
        samples_index = 0;
        sprintf(show, "%f", frecuencia);
        putBLE(show);
        putBLE("\n");
        }
    else{
        muestras_RED[samples_index] = sensor.RED;
        muestras_IR[samples_index] = sensor.IR;
        sprintf(show, "%d", muestras_IR[samples_index]);
        putBLE(show);
        putBLE("\n");
        samples_index++;
        }
}

void sample(void){
    LED = 0;
    sensor.readSensor();
    sprintf(show, "%d", sensor.IR);
    putBLE(show);
    putBLE("\n");
    }
int main(void){
    SMPRDY.fall(&sample);
    Flasher.attach(periodicCallback, 1);
    ini_i2c(SCL, SDA);
    sensor.begin(pw1600, i17, sr50 );
    iniBLE("Sigfried");
    while(1){
        //sensor.readSensor();
        //store_Samples();
        //wait(0.019);
        }
    }