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| 1 | #if defined(__dsPIC33F__) | |
| 2 | #include "p33Fxxxx.h" | |
| 3 | #elif defined(__PIC24H__) | |
| 4 | #include "p24Hxxxx.h" | |
| 5 | #endif | |
| 6 | ||
| 7 | #include "math.h" | |
| 8 | #define PI 3.14159265358979323846 | |
| 9 | ||
| 10 | // Internal FRC Oscillator | |
| 11 | _FOSCSEL(FNOSC_FRC) | |
| 12 | _FOSC(FCKSM_CSECMD & OSCIOFNC_OFF & POSCMD_NONE) | |
| 13 | _FWDT(FWDTEN_OFF) | |
| 14 | _FICD(ICS_PGD3) | |
| 15 | ||
| 16 | void initPLL(void) | |
| 17 | {
| |
| 18 | PLLFBD = 41; | |
| 19 | CLKDIVbits.PLLPOST = 0; | |
| 20 | CLKDIVbits.PLLPRE = 0; | |
| 21 | OSCTUN = 0; | |
| 22 | RCONbits.SWDTEN=0; | |
| 23 | __builtin_write_OSCCONH(0x01); | |
| 24 | __builtin_write_OSCCONL(0x01); | |
| 25 | while (OSCCONbits.COSC != 0b001); | |
| 26 | while(OSCCONbits.LOCK != 1) {};
| |
| 27 | } | |
| 28 | ||
| 29 | int main(void) | |
| 30 | {
| |
| 31 | initPLL(); | |
| 32 | float i = 0; | |
| 33 | float j = 0; | |
| 34 | float sinArray[100] = {};
| |
| 35 | unsigned int count = 0; | |
| 36 | i = 2*PI*0.25; | |
| 37 | while(count < 20000) | |
| 38 | {
| |
| 39 | j = sin(i); // Result should be 1; | |
| 40 | count++; | |
| 41 | } | |
| 42 | int breakhere = 1; | |
| 43 | breakhere = 2; | |
| 44 | breakhere = 3; | |
| 45 | breakhere = 4; | |
| 46 | breakhere = 5; | |
| 47 | } |
