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@50:8ce5ed8e208b, 2017-04-05 (annotated)

Committer:
deeza
Date:
Wed Apr 05 12:46:01 2017 +0000
Revision:
50:8ce5ed8e208b
Parent:
49:2632e3e89576
Child:
51:837137ab83ed
fft library added

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jonathan Austin 0:2757d7abb7d9 1 #include "mbed.h"
deeza 50:8ce5ed8e208b 2 #include "complex.h"
deeza 50:8ce5ed8e208b 3 #include "fft.h"
Jonathan Austin 0:2757d7abb7d9 4
Jonathan Austin 0:2757d7abb7d9 5 DigitalOut led1(LED1);
Jonathan Austin 0:2757d7abb7d9 6
deeza 44:7f2c1e8d0761 7 // State machine
deeza 44:7f2c1e8d0761 8 int STATE;
deeza 47:b9abb45fde85 9 //const int NONE = -1;
deeza 48:d147eba868c8 10 const int IDLE = 0;
deeza 48:d147eba868c8 11 const int LISTEN = 1;
deeza 48:d147eba868c8 12 const int CALC = 2;
deeza 48:d147eba868c8 13 const int SEND = 3;
deeza 49:2632e3e89576 14 const int CALC_ERROR = 4;
deeza 47:b9abb45fde85 15 //const int WAIT = 9;
deeza 44:7f2c1e8d0761 16
Jonathan Austin 1:846c97078558 17 // main() runs in its own thread in the OS
Jonathan Austin 0:2757d7abb7d9 18 int main() {
deeza 50:8ce5ed8e208b 19
deeza 50:8ce5ed8e208b 20 /*
deeza 48:d147eba868c8 21 STATE = IDLE;
Jonathan Austin 0:2757d7abb7d9 22 while (true) {
deeza 44:7f2c1e8d0761 23 switch (STATE) {
deeza 44:7f2c1e8d0761 24
deeza 48:d147eba868c8 25 case IDLE:
deeza 46:5ad0d78d045e 26 //code here
deeza 48:d147eba868c8 27 STATE = LISTEN; //next state
deeza 44:7f2c1e8d0761 28 break;
deeza 44:7f2c1e8d0761 29
deeza 48:d147eba868c8 30 case LISTEN:
deeza 48:d147eba868c8 31 //code here
deeza 48:d147eba868c8 32 break;
deeza 48:d147eba868c8 33
deeza 48:d147eba868c8 34 case CALC:
deeza 44:7f2c1e8d0761 35 //code here
deeza 44:7f2c1e8d0761 36 break;
deeza 46:5ad0d78d045e 37
deeza 49:2632e3e89576 38 case CALC_ERROR:
deeza 46:5ad0d78d045e 39 //code here
deeza 46:5ad0d78d045e 40 break;
deeza 44:7f2c1e8d0761 41
deeza 46:5ad0d78d045e 42 case SEND:
deeza 46:5ad0d78d045e 43 // code here
deeza 50:8ce5ed8e208b 44 break;
deeza 44:7f2c1e8d0761 45 }
deeza 50:8ce5ed8e208b 46 }*/
deeza 50:8ce5ed8e208b 47
deeza 50:8ce5ed8e208b 48 //testar complexa tal addering, verkar funka.
deeza 50:8ce5ed8e208b 49 complex c1 = complex(1,2);
deeza 50:8ce5ed8e208b 50 complex c2 = complex(2,3);
deeza 50:8ce5ed8e208b 51 complex c3 = c1 + c2;
deeza 50:8ce5ed8e208b 52 // printf(c3);
Jonathan Austin 0:2757d7abb7d9 53 }
deeza 50:8ce5ed8e208b 54
deeza 50:8ce5ed8e208b 55
KlaraBengtsson 39:c92c150c0dd2 56 //Calculating distanse between sound and camera
KlaraBengtsson 37:3bc968f47d9b 57 double calcDis(double t, double v){
KlaraBengtsson 37:3bc968f47d9b 58 double s = t*v;
KlaraBengtsson 37:3bc968f47d9b 59 return s;
KlaraBengtsson 37:3bc968f47d9b 60
KlaraBengtsson 37:3bc968f47d9b 61 }
KlaraBengtsson 39:c92c150c0dd2 62 //Calculating angle in radians, D distanse between mic1 and mic2
KlaraBengtsson 37:3bc968f47d9b 63 double calcAng(double s, double D){
KlaraBengtsson 37:3bc968f47d9b 64 double ang = asin(s/D);
KlaraBengtsson 37:3bc968f47d9b 65 return ang;
KlaraBengtsson 37:3bc968f47d9b 66 }
KlaraBengtsson 37:3bc968f47d9b 67
NicklasNp 38:0eceb5feddc4 68 //Presuming the input value is temp as a nuber and humidity as procent
NicklasNp 38:0eceb5feddc4 69 double speedofsound(double temp, double hum){
NicklasNp 38:0eceb5feddc4 70 //Calculations done in Matlab
NicklasNp 43:d3f8e93d85f0 71
NicklasNp 41:b34a65881a45 72 double speed = 331.1190 + 0.6016*temp + 0.0126*hum;
NicklasNp 43:d3f8e93d85f0 73
NicklasNp 38:0eceb5feddc4 74 return speed;
NicklasNp 38:0eceb5feddc4 75 }