AND / Mbed 2 deprecated POCBreath_V2_smd_commercial

POC Breath using SMD commercial sensors

Dependencies:   iAQ_Core Adafruit_SGP30_mbed mbed BME680

main.cpp@0:d034cdad5b6d, 2019-05-30 (annotated)

Committer:
christodoulos
Date:
Thu May 30 08:26:56 2019 +0000
Revision:
0:d034cdad5b6d
Child:
1:08bbc3ecd836
flow to bluetooth;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
christodoulos 0:d034cdad5b6d 1 #include "mbed.h"
christodoulos 0:d034cdad5b6d 2 #include <SoftSerial.h>
christodoulos 0:d034cdad5b6d 3
christodoulos 0:d034cdad5b6d 4 Serial ble(A4,A5);
christodoulos 0:d034cdad5b6d 5 AnalogIn flowIn(A2);
christodoulos 0:d034cdad5b6d 6
christodoulos 0:d034cdad5b6d 7 float flowVal1;
christodoulos 0:d034cdad5b6d 8 float flowVal2;
christodoulos 0:d034cdad5b6d 9 float Pressure;
christodoulos 0:d034cdad5b6d 10 float finalflow;
christodoulos 0:d034cdad5b6d 11
christodoulos 0:d034cdad5b6d 12 float flow()
christodoulos 0:d034cdad5b6d 13 {
christodoulos 0:d034cdad5b6d 14 flowVal1=3.3*flowIn; //Logic level 3.3
christodoulos 0:d034cdad5b6d 15 flowVal2 = 1.5*flowVal1; //5v
christodoulos 0:d034cdad5b6d 16 Pressure =(125*flowVal2)-62.5;
christodoulos 0:d034cdad5b6d 17 finalflow=(0.1989*sqrt(Pressure))+0.0284; //flow in litter per min
christodoulos 0:d034cdad5b6d 18 return finalflow;
christodoulos 0:d034cdad5b6d 19
christodoulos 0:d034cdad5b6d 20 }
christodoulos 0:d034cdad5b6d 21
christodoulos 0:d034cdad5b6d 22 int main(){
christodoulos 0:d034cdad5b6d 23 ble.baud(9600);
christodoulos 0:d034cdad5b6d 24 while(1){
christodoulos 0:d034cdad5b6d 25 ble.printf("E2.7, %f, 3.3\n", flow());
christodoulos 0:d034cdad5b6d 26 }
christodoulos 0:d034cdad5b6d 27
christodoulos 0:d034cdad5b6d 28 }