23 lines
522 B
C
23 lines
522 B
C
#include "HAL_DIV.h"
|
|
|
|
//Computes q = b div c and a = b mod c
|
|
//cDigits must be 1, and *c < 0xffffffff
|
|
void hardwareNN_Div_q32(UINT32 *q,UINT32 *a,UINT32 *b,UINT32 bDigits,UINT32 *c,UINT32 cDigits)
|
|
{
|
|
UINT32 * p;
|
|
int i;
|
|
|
|
DIV->REMAIN = 0;
|
|
DIV->DIVISOR = *c;
|
|
for(i = (bDigits-1); i >= 0 ; i -- )
|
|
{
|
|
p = (UINT32*) (b + i);
|
|
DIV->DIVIDENED = *p;
|
|
|
|
while((DIV->STATUS&0x01)!=0x01);
|
|
DIV->STATUS = 0x01;
|
|
(*(q+i)) = (UINT32)DIV->QUOTIENT;
|
|
}
|
|
(*a) = DIV->REMAIN;
|
|
}
|