c8_2_2.c

dsp入门与实践一书的源代码

#include <stdio.h>
#include <stdlib.h>
#include <c6x.h>
void main()
{	unsigned int control_word = 0x7000069; 
	printf("Default GFPGFR is %x \n", GFPGFR);    
	printf("2 GMPY 128 is %d \n", _gmpy4(2,128));    
	GFPGFR = control_word;                      
	printf("GFPGFR is %x \n", GFPGFR);           
	printf("2 GMPY 128 is %d \n", _gmpy4(2,128)); 	 

}