Pic32 monophone Soundausgabe

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  • Kondesator nur für PWM nötig, kann also weggelassen werden.

<highlightSyntax language="c">

  1. include <p32xxxx.h>
  2. include <plib.h>


void delay_7us (void) {

       #define DELAYU 1
       T1CON = 0x8030;
       PR1 = 0xffff;
       TMR1 = 0;
       while (TMR1 < DELAYU);


       return;

}



int main(void) { int c,d,e;

   int hoehe=7;
   int a[37]={1092,

1031, 973, 918, 867, 818, 772, 729, 688, 649, 613, 579, 546, 515, 486, 459, 433, 409, 386, 364, 344, 325, 306, 289, 273, 258, 243, 230, 217, 205, 193, 182, 172, 162, 153, 145, 137};


int b[37]={16, 17, 18, 19, 21, 22, 23, 24, 26, 28, 29, 31, 33, 35, 37, 39, 41, 44, 46, 49, 52, 55, 58, 62, 65, 69, 73, 78, 82, 87, 92, 98, 104, 110, 117, 123, 131


};

   int lied[][2]={

{7, 4}, {7, 4}, {7, 4}, {3, 3}, {10, 1}, {7, 4}, {3, 3}, {10, 1}, {7, 8}, {14, 4}, {14, 4}, {14, 4}, {15, 3}, {10, 1}, {6, 4}, {3, 3}, {10, 1}, {7, 8}, {19, 4}, {7, 3}, {7, 1}, {19, 4}, {18, 3}, {17, 1}, {16, 1}, {15, 1}, {16, 4}, {8, 2}, {13, 4}, {12, 3}, {11, 1}, {10, 1}, {9, 1}, {10, 4}, {3, 2}, {6, 4}, {3, 3}, {6, 1}, {10, 4}, {7, 3}, {10, 1}, {14, 8}, {19, 4}, {7, 3}, {7, 1}, {19, 4}, {18, 3}, {17, 1}, {16, 1}, {15, 1}, {16, 4}, {8, 2}, {13, 4}, {12, 3}, {11, 1}, {10, 1}, {9, 1}, {10, 4}, {3, 2}, {6, 4}, {3, 3}, {10, 1}, {7, 4}, {3, 3}, {10, 1}, {7, 8}

       };
   
   

/* Configure PB frequency and wait states */ SYSTEMConfigPerformance(40000000L);

/* output via port C2 (entspricht digital con4 D2 auf dem pb */

   mPORTCSetPinsDigitalOut(BIT_2);
   

while(1) {

       for(c=0; c<66; c++){ //schleife ueber alle toene
           for(d=0; d<b[ lied[c][0] + hoehe ] * lied[c][1]  ; d++){ //laenge des tons
               mPORTCToggleBits(BIT_2);
                   for(e=0; e<a[lied[c][0] + hoehe ]; e++) //freqenz
                   delay_7us();
               }
               for(e=0; e<100; e++){
                   delay_7us();
               }
           }
           for(e=0; e<100000; e++){
               delay_7us();
           }
       }

return 0; }

</highlightSyntax>