Elektronikprojekt Grupp 13 / Mbed OS test_fft_grp13

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Dependencies:   mbed-dsp

Fork of mbed-os-example-blinky by Elektronikprojekt Grupp 13

main.cpp@49:2632e3e89576, 2017-03-30 (annotated)

Committer:
deeza
Date:
Thu Mar 30 10:41:17 2017 +0000
Revision:
49:2632e3e89576
Parent:
48:d147eba868c8
Child:
50:8ce5ed8e208b
tillst?nd

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jonathan Austin 0:2757d7abb7d9 1 #include "mbed.h"
Jonathan Austin 0:2757d7abb7d9 2
Jonathan Austin 0:2757d7abb7d9 3 DigitalOut led1(LED1);
Jonathan Austin 0:2757d7abb7d9 4
deeza 44:7f2c1e8d0761 5 // State machine
deeza 44:7f2c1e8d0761 6 int STATE;
deeza 47:b9abb45fde85 7 //const int NONE = -1;
deeza 48:d147eba868c8 8 const int IDLE = 0;
deeza 48:d147eba868c8 9 const int LISTEN = 1;
deeza 48:d147eba868c8 10 const int CALC = 2;
deeza 48:d147eba868c8 11 const int SEND = 3;
deeza 49:2632e3e89576 12 const int CALC_ERROR = 4;
deeza 47:b9abb45fde85 13 //const int WAIT = 9;
deeza 44:7f2c1e8d0761 14
Jonathan Austin 1:846c97078558 15 // main() runs in its own thread in the OS
Jonathan Austin 0:2757d7abb7d9 16 int main() {
deeza 48:d147eba868c8 17 STATE = IDLE;
Jonathan Austin 0:2757d7abb7d9 18 while (true) {
deeza 44:7f2c1e8d0761 19 switch (STATE) {
deeza 44:7f2c1e8d0761 20
deeza 48:d147eba868c8 21 case IDLE:
deeza 46:5ad0d78d045e 22 //code here
deeza 48:d147eba868c8 23 STATE = LISTEN; //next state
deeza 44:7f2c1e8d0761 24 break;
deeza 44:7f2c1e8d0761 25
deeza 48:d147eba868c8 26 case LISTEN:
deeza 48:d147eba868c8 27 //code here
deeza 48:d147eba868c8 28 break;
deeza 48:d147eba868c8 29
deeza 48:d147eba868c8 30 case CALC:
deeza 44:7f2c1e8d0761 31 //code here
deeza 44:7f2c1e8d0761 32 break;
deeza 46:5ad0d78d045e 33
deeza 49:2632e3e89576 34 case CALC_ERROR:
deeza 46:5ad0d78d045e 35 //code here
deeza 46:5ad0d78d045e 36 break;
deeza 44:7f2c1e8d0761 37
deeza 46:5ad0d78d045e 38 case SEND:
deeza 46:5ad0d78d045e 39 // code here
deeza 46:5ad0d78d045e 40 break;
deeza 46:5ad0d78d045e 41
deeza 44:7f2c1e8d0761 42 }
Jonathan Austin 0:2757d7abb7d9 43 }
Jonathan Austin 0:2757d7abb7d9 44 }
KlaraBengtsson 39:c92c150c0dd2 45 //Calculating distanse between sound and camera
KlaraBengtsson 37:3bc968f47d9b 46 double calcDis(double t, double v){
KlaraBengtsson 37:3bc968f47d9b 47 double s = t*v;
KlaraBengtsson 37:3bc968f47d9b 48 return s;
KlaraBengtsson 37:3bc968f47d9b 49
KlaraBengtsson 37:3bc968f47d9b 50 }
KlaraBengtsson 39:c92c150c0dd2 51 //Calculating angle in radians, D distanse between mic1 and mic2
KlaraBengtsson 37:3bc968f47d9b 52 double calcAng(double s, double D){
KlaraBengtsson 37:3bc968f47d9b 53 double ang = asin(s/D);
KlaraBengtsson 37:3bc968f47d9b 54 return ang;
KlaraBengtsson 37:3bc968f47d9b 55 }
KlaraBengtsson 37:3bc968f47d9b 56
NicklasNp 38:0eceb5feddc4 57 //Presuming the input value is temp as a nuber and humidity as procent
NicklasNp 38:0eceb5feddc4 58 double speedofsound(double temp, double hum){
NicklasNp 38:0eceb5feddc4 59 //Calculations done in Matlab
NicklasNp 43:d3f8e93d85f0 60
NicklasNp 41:b34a65881a45 61 double speed = 331.1190 + 0.6016*temp + 0.0126*hum;
NicklasNp 43:d3f8e93d85f0 62
NicklasNp 38:0eceb5feddc4 63 return speed;
NicklasNp 38:0eceb5feddc4 64 }