main.cpp

00001 #include "mbed.h"
00002 #include "SDFileSystem.h"
00003 #include "wave_player.h"
00004 #include "uLCD_4DGL.h"
00005 //setup some color objects in flash using const's
00006 
00007 #include "rtos.h"
00008 #include "Small_6.h"
00009 #include "Small_7.h"
00010 #include "Arial_9.h"
00011 #include "stdio.h"
00012 #include "C12832_lcd.h"
00013 
00014 //class for 3 PWM color values for RGBLED
00015 class LEDColor
00016 {
00017 public:
00018     LEDColor(float r, float g, float b);
00019     float red;
00020     float green;
00021     float blue;
00022 };
00023 LEDColor:: LEDColor(float r, float g, float b)
00024     : red(r), green(g), blue(b)
00025 {
00026 }
00027 //Operator overload to adjust brightness with no color change
00028 LEDColor operator * (const LEDColor& x, const float& b)
00029 {
00030     return LEDColor(x.red*b,x.green*b,x.blue*b);
00031 }
00032 //Operator overload to add colors
00033 LEDColor operator + (const LEDColor& x, const LEDColor& y)
00034 {
00035     return LEDColor(x.red+y.red,x.green+y.green,x.blue+y.blue);
00036 }
00037  
00038 //Class to control an RGB LED using three PWM pins
00039 class RGBLed
00040 {
00041 public:
00042     RGBLed(PinName redpin, PinName greenpin, PinName bluepin);
00043     void write(float red,float green, float blue);
00044     void write(LEDColor c);
00045     RGBLed operator = (LEDColor c) {
00046         write(c);
00047         return *this;
00048     };
00049 private:
00050     PwmOut _redpin;
00051     PwmOut _greenpin;
00052     PwmOut _bluepin;
00053 };
00054  
00055 RGBLed::RGBLed (PinName redpin, PinName greenpin, PinName bluepin)
00056     : _redpin(redpin), _greenpin(greenpin), _bluepin(bluepin)
00057 {
00058     //50Hz PWM clock default a bit too low, go to 2000Hz (less flicker)
00059     _redpin.period(0.0005);
00060 }
00061  
00062 void RGBLed::write(float red,float green, float blue)
00063 {
00064     _redpin = red;
00065     _greenpin = green;
00066     _bluepin = blue;
00067 }
00068 void RGBLed::write(LEDColor c)
00069 {
00070     _redpin = c.red;
00071     _greenpin = c.green;
00072     _bluepin = c.blue;
00073 }
00074  
00075 //classes could be moved to include file
00076  
00077 //Setup RGB led using PWM pins and class
00078 RGBLed myRGBled(p23,p22,p21); //RGB PWM pins
00079 const LEDColor red(1.0,0.0,0.0);
00080 const LEDColor green(0.0,0.2,0.0);
00081 //brighter green LED is scaled down to same as red and
00082 //blue LED outputs on Sparkfun RGBLED
00083 const LEDColor blue(0.0,0.0,1.0);
00084 const LEDColor yellow(1.0,0.2,0.0);
00085 const LEDColor white(1.0,0.2,1.0);
00086 const LEDColor black(0.0,0.0,0.0);
00087 char bred=0;
00088 char bgreen=0;
00089 char bblue=0; 
00090 
00091 volatile bool songselect = false;
00092 volatile bool homescreen = true;
00093 uLCD_4DGL uLCD(p28,p27,p30); 
00094 SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
00095 DigitalOut myled(LED1);
00096 DigitalIn pb1(p20);
00097 DigitalIn pb2(p19);
00098 AnalogOut DACout(p18);
00099 wave_player waver(&DACout);
00100 
00101 // mutex to make the lcd lib thread safe
00102 Mutex lcd_mutex;
00103 int songnum = 1;
00104 AnalogIn joy_pot(p16);
00105 // Thread 1
00106 // print homescreen to LCD
00107 void thread1(void const *args)
00108 {
00109     
00110     while(true) {       // thread loop
00111         
00112         if (homescreen){
00113             lcd_mutex.lock();
00114             uLCD.cls();
00115             uLCD.text_height(1.9);
00116             uLCD.text_width(1.9);
00117             uLCD.color(WHITE);
00118             uLCD.locate(0,0);
00119             uLCD.printf("Pick a song");
00120             uLCD.text_height(1.9);
00121             uLCD.text_width(1.9);
00122             uLCD.locate(1,2);
00123             uLCD.printf("Song1");
00124             uLCD.locate(1,4);
00125             uLCD.printf("Song2");
00126             uLCD.locate(1,6);
00127             uLCD.printf("Song3");
00128             uLCD.locate(1,8);
00129             uLCD.printf("Song4");
00130             uLCD.rectangle(5, songnum*16-2, 100, songnum*16+8 ,GREEN);
00131             lcd_mutex.unlock();
00132             
00133                 }
00134             Thread::wait(200);    
00135     }
00136 }
00137 
00138 //for song selection during homescreen
00139 void thread2(void const *args)
00140 {
00141 
00142    while(1){
00143         if (homescreen){
00144             if ((joy_pot <= (1.4/3.3)) && songnum>1) {
00145                 songnum--;
00146                 } 
00147             else if ((joy_pot >= (1.8/3.3)) && songnum<4){
00148                 songnum++;
00149                 }
00150             }
00151         Thread::wait(250);
00152         
00153     }
00154 }
00155 
00156 // Thread 3
00157 //pb1 is to select song
00158 //pb2 is to return to homescreen
00159 void thread3(void const *args)
00160 {
00161     pb1.mode(PullUp);
00162     pb2.mode(PullUp);
00163     while(true) {       // thread loop
00164         if (!pb2)
00165             {
00166             homescreen = true;
00167             songselect = false;
00168             }
00169         if (!pb1)
00170             {
00171             songselect = true;
00172             }
00173         Thread::wait(100);   // value of pot1 / 100
00174     }
00175 }
00176 
00177 int main()
00178 {
00179         //timestamp in terms of seconds
00180     int the_middle[62][5] = {2, 0, 1, 0, 0,
00181                             3, 0, 1, 0, 0,
00182                             4, 0, 1, 0, 0,
00183                             5, 0, 1, 0, 0,
00184                             6, 0, 0, 1, 0,
00185                             7, 0, 0, 1, 0,
00186                             8, 0, 0, 1, 0,
00187                             9, 0, 0, 1, 0,
00188                             10, 0, 0, 1, 0,
00189                             11, 0, 0, 0, 1,
00190                             12, 0, 0, 0, 1,
00191                             13, 0, 0, 0, 1,
00192                             15, 0, 0, 1, 1,
00193                             16, 0, 0, 1, 1,
00194                             17, 0, 0, 1, 1, 
00195                             18, 0, 1, 1, 0,
00196                             19, 0, 1, 1, 0,
00197                             20, 0, 1, 1, 0,
00198                             21, 0, 1, 1, 0,
00199                             22, 0, 1, 1, 0,
00200                             23, 0, 1, 1, 0,
00201                             24, 0, 1, 1, 0,
00202                             25, 0, 1, 1, 0,
00203                             27, 0, 1, 0, 0,
00204                             28, 0, 1, 0, 0,
00205                             29, 0, 1, 0, 0,
00206                             30, 0, 1, 0, 0,
00207                             31, 0, 0, 1, 0,
00208                             32, 0, 0, 1, 0,
00209                             33, 0, 0, 1, 0,
00210                             34, 0, 0, 1, 0,
00211                             35, 0, 0, 1, 0,
00212                             36, 0, 0, 1, 0,
00213                             37, 0, 0, 0, 1,
00214                             38, 0, 0, 0, 1,
00215                             39, 0, 0, 0, 1,
00216                             40, 0, 0, 0, 1,
00217                             42, 0, 1, 1, 0,
00218                             43, 0, 0, 1, 1,
00219                             44, 0, 1, 1, 0,
00220                             45, 0, 0, 1, 1,
00221                             46, 0, 1, 1, 0,
00222                             47, 0, 0, 1, 1,
00223                             48, 0, 1, 1, 0,
00224                             49, 0, 0, 1, 1,
00225                             51, 0, 1, 1, 1,
00226                             52, 0, 1, 1, 1, 
00227                             53, 0, 1, 1, 1, 
00228                             54, 0, 1, 1, 1,
00229                             56, 0, 1, 0, 0,
00230                             57, 0, 1, 0, 0,
00231                             58, 0, 1, 0, 0,
00232                             59, 0, 1, 0, 0,
00233                             61, 0, 0, 1, 0,
00234                             62, 0, 1, 1, 1,
00235                             63, 0, 1, 1, 1,
00236                             64, 0, 1, 1, 1,
00237                             66, 0, 1, 1, 0,
00238                             67, 0, 0, 1, 1,
00239                             68, 0, 1, 1, 0,
00240                             69, 0, 0, 1, 1,
00241                             70, 0, 1, 1, 0};
00242     
00243     int stacys_mom[70][5] = {1, 0, 1, 0, 0, 
00244                                 2, 0, 1, 0, 0, 
00245                                 3, 0, 1, 1, 0, 
00246                                 4, 0, 1, 0, 0,
00247                                 5, 0, 1, 0, 0,
00248                                 6, 0, 1, 1, 0, 
00249                                 8, 0, 0, 1, 0,
00250                                 9, 0, 0, 0, 1,
00251                                 10, 0, 1, 0, 0,
00252                                 11, 0, 0, 1, 0, 
00253                                 12, 0, 1, 1, 0, 
00254                                 13, 0, 1, 1, 0, 
00255                                 15, 0, 0, 1, 1,
00256                                 16, 0, 0, 1, 1,
00257                                 17, 0, 0, 1, 1,
00258                                 18, 0, 0, 1, 1,
00259                                 20, 0, 1, 0, 0,
00260                                 21, 0, 0, 1, 0,
00261                                 22, 0, 0, 0, 1,
00262                                 24, 0, 0, 1, 1,
00263                                 25, 0, 0, 1, 1,
00264                                 26, 0, 0, 1, 0,
00265                                 27, 0, 0, 1, 0,
00266                                 28, 0, 0, 0, 1,
00267                                 29, 0, 1, 0, 0,
00268                                 31, 0, 1, 1, 1,
00269                                 32, 0, 1, 0, 1,
00270                                 33, 0, 1, 0, 1,
00271                                 34, 0, 1, 0, 1,
00272                                 35, 0, 1, 0, 1,
00273                                 36, 0, 1, 0, 1,
00274                                 37, 0, 1, 0, 1,
00275                                 39, 0, 0, 1, 0,
00276                                 40, 0, 0, 1, 0,
00277                                 41, 0, 0, 1, 0,
00278                                 42, 0, 0, 1, 0,
00279                                 43, 0, 0, 0, 1,
00280                                 44, 0, 0, 0, 1,
00281                                 45, 0, 0, 1, 0,
00282                                 46, 0, 0, 1, 0,
00283                                 47, 0, 0, 1, 1,
00284                                 48, 0, 0, 1, 1,
00285                                 49, 0, 0, 1, 1,
00286                                 51, 0, 1, 0, 0,
00287                                 52, 0, 0, 1, 0,
00288                                 53, 0, 0, 0, 1,
00289                                 54, 0, 0, 1, 1,
00290                                 55, 0, 0, 1, 1,
00291                                 56, 0, 0, 1, 0,
00292                                 57, 0, 0, 1, 0,
00293                                 58, 0, 0, 1, 0,
00294                                 59, 0, 0, 1, 0,
00295                                 60, 0, 0, 1, 0,
00296                                 61, 0, 0, 1, 0,
00297                                 62, 0, 0, 1, 0,
00298                                 64, 0, 1, 0, 0,
00299                                 65, 0, 1, 0, 0,
00300                                 66, 0, 1, 0, 0,
00301                                 67, 0, 1, 0, 0,
00302                                 68, 0, 1, 0, 0,
00303                                 69, 0, 1, 0, 0,
00304                                 70, 0, 1, 0, 0,
00305                                 73, 0, 0, 1, 1,
00306                                 74, 0, 0, 1, 1,
00307                                 75, 0, 1, 0, 0,
00308                                 76, 0, 0, 1, 0,
00309                                 77, 0, 0, 0, 1,
00310                                 78, 0, 1, 0, 0,
00311                                 79, 0, 0, 1, 0,
00312                                 80, 0, 0, 0, 1};
00313     
00314     int sins[60][5] = {2, 0, 1, 0, 0,
00315                         3, 0, 0, 1, 0,
00316                         4, 0, 1, 0, 0,
00317                         5, 0, 0, 1, 0,
00318                         6, 0, 0, 0, 1,
00319                         7, 0, 1, 0, 0,
00320                         8, 0, 0, 0, 1,
00321                         9, 0, 1, 0, 0,
00322                         10, 0, 0, 0, 1,
00323                         11, 0, 1, 1, 1,
00324                         13, 0, 1, 0, 0,
00325                         14, 0, 0, 1, 0,
00326                         15, 0, 1, 0, 0,
00327                         16, 0, 0, 1, 0,
00328                         17, 0, 0, 1, 0,
00329                         18, 0, 0, 1, 0,
00330                         19, 0, 0, 1, 0,
00331                         20, 0, 0, 1, 0,
00332                         22, 0, 0, 0, 1,
00333                         23, 0, 0, 1, 1,
00334                         24, 0, 0, 0, 1,
00335                         25, 0, 0, 1, 1,
00336                         26, 0, 0, 0, 1,
00337                         27, 0, 0, 1, 1,
00338                         28, 0, 1, 0, 0,
00339                         29, 0, 1, 1, 0,
00340                         30, 0, 1, 0, 0,
00341                         31, 0, 1, 1, 0,
00342                         33, 0, 1, 0, 0,
00343                         34, 0, 1, 0, 0,
00344                         35, 0, 1, 0, 0,
00345                         36, 0, 0, 1, 1,
00346                         37, 0, 0, 1, 1,
00347                         38, 0, 0, 1, 1,
00348                         39, 0, 0, 1, 1,
00349                         40, 0, 0, 1, 1,
00350                         42, 0, 1, 1, 0,
00351                         43, 0, 1, 1, 0,
00352                         44, 0, 0, 1, 0,
00353                         45, 0, 0, 1, 1,
00354                         46, 0, 0, 1, 1,
00355                         47, 0, 0, 1, 1,
00356                         48, 0, 0, 1, 1,
00357                         49, 0, 0, 1, 1,
00358                         50, 0, 0, 1, 0,
00359                         51, 0, 1, 1, 0,
00360                         52, 0, 1, 1, 0,
00361                         53, 0, 1, 1, 0,
00362                         54, 0, 1, 1, 0,
00363                         55, 0, 1, 1, 0,
00364                         56, 0, 1, 0, 0,
00365                         57, 0, 0, 1, 0,
00366                         58, 0, 1, 0, 0,
00367                         59, 0, 0, 1, 0,
00368                         60, 0, 1, 0, 0,
00369                         62, 0, 1, 1, 0,
00370                         63, 0, 1, 1, 0,
00371                         64, 0, 1, 1, 0,
00372                         65, 0, 1, 1, 0,
00373                         66, 0, 1, 1, 0};
00374                         
00375     int fireflies[58][5] = {
00376         1, 0, 1, 0, 0,
00377         2, 0, 0, 1, 0,
00378         3, 0, 1, 0, 0,
00379         4, 0, 0, 1, 0,
00380         5, 0, 1, 0, 0,
00381         6, 0, 0, 1, 0,
00382         7, 0, 1, 0, 0,
00383         8, 0, 0, 1, 0,
00384         9, 0, 1, 0, 0,
00385         10, 0, 0, 1, 0,
00386         11, 0, 0, 0, 1,
00387         12, 0, 0, 1, 0,
00388         13, 0, 1, 0, 0,
00389         14, 0, 0, 1, 0,
00390         15, 0, 0, 0, 1,
00391         16, 0, 1, 1, 0,
00392         17, 0, 1, 1, 0,
00393         18, 0, 0, 1, 1,
00394         19, 0, 0, 1, 1,
00395         21, 0, 0, 1, 0,
00396         22, 0, 0, 1, 0,
00397         23, 0, 0, 1, 0,
00398         24, 0, 0, 1, 0,
00399         25, 0, 1, 0, 0,
00400         26, 0, 1, 0, 0,
00401         27, 0, 0, 1, 0,
00402         28, 0, 0, 1, 0,
00403         29, 0, 0, 0, 1,
00404         30, 0, 0, 0, 1,
00405         32, 0, 1, 0, 0,
00406         33, 0, 1, 0, 0,
00407         34, 0, 0, 1, 0,
00408         35, 0, 0, 1, 0,
00409         36, 0, 0, 0, 1,
00410         37, 0, 0, 0, 1,
00411         38, 0, 0, 1, 0,
00412         39, 0, 0, 1, 0,
00413         40, 0, 1, 0, 0,
00414         41, 0, 1, 0, 0,
00415         43, 0, 1, 1, 1,
00416         44, 0, 1, 1, 1,
00417         45, 0, 1, 1, 1,
00418         46, 0, 1, 1, 1,
00419         47, 0, 1, 1, 0,
00420         48, 0, 1, 1, 0,
00421         49, 0, 0, 1, 1,
00422         50, 0, 0, 1, 1,
00423         51, 0, 0, 1, 1,
00424         53, 0, 1, 1, 0,
00425         54, 0, 1, 1, 0,
00426         55, 0, 0, 1, 1,
00427         56, 0, 1, 1, 0,
00428         57, 0, 0, 1, 1,
00429         59, 0, 1, 0, 0,
00430         60, 0, 0, 1, 0,
00431         61, 0, 0, 0, 1,
00432         62, 0, 0, 1, 0,
00433         63, 0, 1, 0, 0};
00434     //doesnt work yet, nee,d to ask hamblen
00435     uLCD.media_init();
00436     uLCD.set_sector_address(0x001D, 0x4C01);
00437     uLCD.display_image(0,0);
00438 //    t1.start(thread1);
00439 //   t2.start(thread2);
00440 //    t3.start(thread3);
00441     Thread t1(thread1);
00442     Thread t2(thread2);
00443     Thread t3(thread3);
00444     //startup sound. Commented out for testing without SD card
00445     //FILE *wave_file;
00446     //wave_file=fopen("/sd/cheer.wav","r");
00447     //waver.play(wave_file);
00448     //fclose(wave_file);
00449     while(1) 
00450     {
00451         
00452         if (songselect){
00453                 myled = 0;
00454                 homescreen = false;
00455                 lcd_mutex.lock();
00456                 uLCD.cls();
00457                 uLCD.printf("You selected song %2d",songnum);
00458                 lcd_mutex.unlock();
00459                 //add case statement based on songnum or something
00460                 //code for playing song from sd
00461                 //FILE *wave_file;
00462                 //wave_file=fopen("/sd/sample1.wav","r");
00463                 //waver.play(wave_file);
00464                 //fclose(wave_file);
00465                 //end
00466                 }
00467         Thread::wait(100);    
00468         }
00469 }
00470         
00471