main.cpp

00001 #include "mbed.h"
00002 #include "SongPlayer.h"
00003 #include "DRV2605.h"
00004 
00005 Ticker speaker;
00006 Ticker hapticMotor;
00007 SongPlayer mySpeaker(p21);
00008 DRV2605 haptics(p9, p10);
00009 Serial Blue(p28,p27);
00010 BusOut myled(LED1,LED2,LED3,LED4);
00011 
00012 //Global Variables
00013 float note[1] = {0.0};
00014 float duration[1] = {0.0};
00015 int randomVibe = 0;
00016 volatile bool button_ready = 0;
00017 volatile int  bnum = 0;
00018 volatile int  bhit = 0;
00019 enum statetype {start = 0, got_exclm, got_B, got_num, got_hit};
00020 statetype state = start;
00021 
00022 // Random
00023 volatile int interruptControl = 1;
00024 
00025 void parse_message()
00026 {
00027     switch (state) {
00028         case start:
00029             if (Blue.getc()=='!') state = got_exclm;
00030             else state = start;
00031             break;
00032         case got_exclm:
00033             if (Blue.getc() == 'B') state = got_B;
00034             else state = start;
00035             break;
00036         case got_B:
00037             bnum = Blue.getc();
00038             state = got_num;
00039             break;
00040         case got_num:
00041             bhit = Blue.getc();
00042             state = got_hit;
00043             break;
00044         case got_hit:
00045             if (Blue.getc() == char(~('!' + ' B' + bnum + bhit))) button_ready = 1;
00046             state = start;
00047             break;
00048         default:
00049             Blue.getc();
00050             state = start;
00051     }
00052 }
00053 
00054 void speakerPB1 (void)
00055 {
00056     while (bhit == '1') {
00057         myled = 0x01;
00058         note[0] = (static_cast <float> (rand()) / static_cast <float> (RAND_MAX))*6000.0 + 2000.0;
00059         duration[0] = (static_cast <float> (rand()) / static_cast <float> (RAND_MAX))*0.1;
00060         mySpeaker.PlaySong(note,duration);
00061     }
00062 }
00063 
00064 void motorPB2 (void)
00065 {
00066     while (bhit == '1') {
00067         myled = 0x0;
00068         haptics.play_waveform(14);
00069     }
00070 }
00071 
00072 void motorISR (void)
00073 {
00074     if (interruptControl == 1) {
00075         randomVibe = rand()%123 + 1; // Produces random number from 1 to 123
00076         haptics.play_waveform(randomVibe);  
00077     }
00078 }
00079 
00080 void speakerISR (void)
00081 {
00082     if (interruptControl == 1) {
00083         note[0] = (static_cast <float> (rand()) / static_cast <float> (RAND_MAX))*6000.0 + 2000.0;
00084         duration[0] = (static_cast <float> (rand()) / static_cast <float> (RAND_MAX))*0.5;
00085         mySpeaker.PlaySong(note,duration);
00086     }
00087 }
00088 
00089 
00090 int main()
00091 {
00092     Blue.attach(&parse_message,Serial::RxIrq);
00093     hapticMotor.attach(&motorISR, 0.5);
00094     speaker.attach(&speakerISR, 1.5);
00095 
00096     while(1) {
00097         if (button_ready == 1 && bnum == '1') {
00098             myled = 0x01; // 
00099             speakerPB1();
00100         } else if (button_ready == 1 && bnum == '2') {
00101             myled = 0x02;
00102             motorPB2();
00103         } else if (button_ready == 1 && bnum == '3') {
00104             myled = 0x04;
00105             interruptControl = 1;
00106         } else if (button_ready == 1 && bnum == '4') {
00107             myled = 0x08;
00108             interruptControl = 0;
00109         }
00110     }
00111 }
00112 
00113 
00114