| 23,13 → 23,13 |
|---|
| *sec=(u08)round((pom-(*min))*60); |
| } |
| |
| inline double quadraticerror(double average, double buf[], u16 size) |
| inline double quadraticerror(double average, double buf[], u16 size) // compute average quadratic error |
| { |
| u16 i; |
| double err=0; |
| |
| for(i=0; i<size; i++) err += square(buf[i]-average); // sum quadratic errors |
| err = sqrt(err/(size-1))/sqrt(size); // compute average quadratic error |
| for(i=0; i<size; i++) err += square(buf[i]-average); // sum quadratic errors |
| err = sqrt((1/size)*err); |
| return err; |
| } |
| |
| 36,11 → 36,11 |
|---|
| int main(void) |
| { |
| u16 i,x,y; |
| double fi, err, fibuf[BUFLEN]; |
| u08 fi_min, fi_sec, err_min, err_sec; |
| u16 fi_deg, err_deg; |
| double fi, err, fibuf[BUFLEN]; // buffer for recorded and computed values |
| u08 fi_min, fi_sec, err_min, err_sec; // computed angles |
| u16 fi_deg, err_deg; // computed angles in whole degrees |
| |
| // initialize our libraries |
| // initialize some libraries |
| // initialize the UART (serial port) |
| uartInit(); |
| uartSetBaudRate(0,9600); |
| 85,11 → 85,6 |
|---|
| } |
| for(i=0; i<BUFLEN; i++) fi += fibuf[i]; // sum recorded angles |
| fi = (fi/BUFLEN)+PI; // average recorded angles and expand product to whole circle |
| |
| /*for(i=0; i<BUFLEN; i++) |
| { |
| fibuf[i]=i; |
| }*/ |
| |
| err=quadraticerror(fi,fibuf,BUFLEN); |
| radtodeg(fi,&fi_deg,&fi_min,&fi_sec); |