Texas Instruments TMS320C80, Руководство пользователя

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Prototyping Code Using Linker Command Files
3-17 Prototyping ’C82 Code on the ’C80
Example 3–8.Sample PP C Program With an Assembly Language Function
/********************************************************
* ex_asm.c This example C code calculates the dot
* product of vectors A and B.
*
* The code uses an assembly language function
* to calculate the dot product. The assembly
* language code has the filename c80ex.p.
********************************************************/
#include <mvp.h>
/* allocate space for A in a named section .asect */
#pragma DATA_SECTION(A,”.a_sect”)
/* allocate space for B in a named section .bsect */
#pragma DATA_SECTION(B,”.b_sect”)
/* define a the buffer size for A and B */
#define BUF_SIZE 1536
short A[BUF_SIZE];
short B[BUF_SIZE];
extern long dot_product(short *, short *, int);
main()
{
long dot_prod;
dot_prod = dot_product(A,B,BUF_SIZE);
}