main.cpp

00001 #include "mbed.h"
00002 #include "rtos.h"
00003 #include "C12832_lcd.h"
00004 #include "Arial_9.h"
00005 #include "Small_7.h"
00006 #include "graphics.h" 
00007 #include "MMA7660.h"
00008 
00009 
00010 DigitalIn fire(p14);
00011 PwmOut spkr(p26);
00012 
00013 C12832_LCD lcd;
00014 
00015 PwmOut r (p23);
00016 PwmOut g (p24);
00017 PwmOut b (p25);
00018 
00019 MMA7660 MMA(p28, p27);
00020 
00021 DigitalOut connectionLed(LED1);
00022 PwmOut Zaxis_p(LED2);
00023 PwmOut Zaxis_n(LED3);
00024 
00025 Mutex lcd_mutex;
00026 
00027 void Axisaccelerometer_thread(void const *args) 
00028 {
00029    lcd_mutex.lock();
00030   
00031       if (MMA.testConnection())
00032         connectionLed = 1;
00033         
00034     while(1) {
00035         Zaxis_p = MMA.z();
00036         Zaxis_n = -MMA.z();
00037         
00038     lcd_mutex.unlock(); 
00039     }
00040    
00041 }
00042 
00043 void RGB_thread(void const *args) 
00044 {    
00045   
00046 r.period(0.001);
00047     while(1) {
00048 
00049         for(float i = 0.0; i < 1.0 ; i += 0.001) {
00050             float p = 3 * i;
00051             r = 1.0 - ((p < 1.0) ? 1.0 - p : (p > 2.0) ? p - 2.0 : 0.0);
00052             g = 1.0 - ((p < 1.0) ? p : (p > 2.0) ? 0.0 : 2.0 - p);
00053             b = 1.0 - ((p < 1.0) ? 0.0 : (p > 2.0) ? 3.0 - p : p - 1.0);  ;  
00054             wait (0.01);
00055         }
00056  
00057    }
00058 
00059 }
00060 
00061 void ChristmasLCD_thread(void const *args) 
00062 {   
00063 
00064 lcd_mutex.lock();
00065 
00066 int i,s;
00067     lcd.cls();
00068     lcd.set_font((unsigned char*) Arial_9);
00069     s = 3;
00070     lcd.print_bm(bitmTree,95,0);  // print chistmas tree
00071     lcd.copy_to_lcd(); 
00072     lcd.setmode(XOR);             // XOR - a second print will erase  
00073     for(i = -15; i < 75; ){     
00074         lcd.print_bm(bitmSan1,i,2);
00075         wait(0.5);
00076         lcd.copy_to_lcd();           // update lcd  
00077         lcd.print_bm(bitmSan1,i,2);  // erase
00078         i= i+s;
00079         lcd.print_bm(bitmSan2,i,2);  // print next
00080         wait(0.5);
00081         lcd.copy_to_lcd();           // update lcd   
00082         lcd.print_bm(bitmSan2,i,2);  // erase
00083         i= i+s;
00084         lcd.print_bm(bitmSan3,i,2);  // print next 
00085         wait(0.5);
00086         lcd.copy_to_lcd();           // update lcd
00087         lcd.print_bm(bitmSan3,i,2);  // erase
00088         i= i+s;
00089    }
00090    lcd.print_bm(bitmSan3,i,2);
00091    lcd.set_auto_up(0);
00092    for(i=-20; i<5; i++){             // scrolling text
00093      lcd.locate(5,i);
00094      lcd.printf("Happy");
00095      lcd.locate(5,i+12);
00096      lcd.printf("Christmas");
00097      lcd.copy_to_lcd();
00098      lcd.locate(5,i);
00099      wait(0.2);
00100      lcd.printf("Happy");
00101      lcd.locate(5,i+12);
00102      lcd.printf("Christmas");
00103      lcd.copy_to_lcd();
00104      i=i+1;
00105    }  
00106    lcd.locate(5,i);
00107    lcd.printf("Happy");
00108    lcd.locate(5,i+12);
00109    lcd.printf("Christmas");
00110    lcd.copy_to_lcd();
00111    
00112    lcd_mutex.unlock();  
00113 
00114 }
00115 
00116 int main()
00117 {
00118      Thread thread1(RGB_thread);
00119      Thread thread2(ChristmasLCD_thread);
00120      Thread thread3(Axisaccelerometer_thread);
00121      
00122      
00123     while (1) {
00124         
00125         for (float i=2000.0; i<10000.0; i+=100) {
00126             spkr.period(1.0/i);
00127             spkr=0.5;
00128             wait(0.1);
00129         }
00130         spkr=0.0;
00131         while(!fire) {}
00132     }
00133 }
00134