永远的经典：helloworld！

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永远的经典：helloworld！ [复制链接]

/*hello.h*/

/*

*
Copyright 2002 by Texas Instruments Incorporated.

*
All rights reserved. Property of Texas Instruments Incorporated.

*
Restricted rights to use, duplicate or disclose this code are

*
granted through contract.

*


*/
/* "@(#) DSP/BIOS 4.80.208 12-06-02 (barracuda-l19)" */
struct PARMS {

int Beta;

int EchoPower;

int ErrorPower;

int Ratio;

struct PARMS *Link;
};


/*

*
Copyright 2002 by Texas Instruments Incorporated.

*
All rights reserved. Property of Texas Instruments Incorporated.

*
Restricted rights to use, duplicate or disclose this code are

*
granted through contract.

*


*/
/* "@(#) DSP/BIOS 4.80.208 12-06-02 (barracuda-l19)" */
/***************************************************************************/
/*

*/
/*
H E L L O . C
*/
/*
*/
/*
Basic C standard I/O from main.
*/
/*
*/
/*
*/
/***************************************************************************/

#include
#include "hello.h"

#define BUFSIZE 30

struct PARMS str =
{

2934,

9432,

213,

9432,

&str
};

/*hello.c*/

/*

*
======== main ========

*/
void main()
{
#ifdef FILEIO

int
i;


char
scanStr[BUFSIZE];

char
fileStr[BUFSIZE];

size_t
readSize;

FILE
*fptr;
#endif


/* write a string to stdout */

puts("hello world!\n");

#ifdef FILEIO

/* clear char arrays */

for (i = 0; i < BUFSIZE; i++) {

scanStr = 0 ;
/* deliberate syntax error */

fileStr = 0;

}
   

/* read a string from stdin */

scanf("%s", scanStr);
   

/* open a file on the host and write char array */

fptr = fopen("file.txt", "w");


fprintf(fptr, "%s", scanStr);

fclose(fptr);
                     

/* open a file on the host and read char array */


fptr = fopen("file.txt", "r");

fseek(fptr, 0L, SEEK_SET);


readSize = fread(fileStr, sizeof(char), BUFSIZE, fptr);

printf("Read a %d byte char array: %s \n", readSize, fileStr);

fclose(fptr);
#endif

}



;
;
Copyright 2002 by Texas Instruments Incorporated.
;
All rights reserved. Property of Texas Instruments Incorporated.
;
Restricted rights to use, duplicate or disclose this code are
;
granted through contract.
;
file name: vectors.asm
;
; "@(#) DSP/BIOS 4.80.208 12-06-02 (barracuda-l19)"
;*
;*
Copyright 2001 by Texas Instruments Incorporated.
;*
All rights reserved. Property of Texas Instruments Incorporated.
;*
Restricted rights to use, duplicate or disclose this code are
;*
granted through contract.
;*


.ref
_c_int00

.sect ".vectors"
RESET:
.long
_c_int00



/*************************************************

file name hello.cmd

map for new eZDSP 2812


Lori Heustess

DCS Product Applications
30 July 2001


M0/M1 Generic Linker Command File


For C28x K1 this file assumes M0M1MAP = 1
**************************************************/

MEMORY
{
PAGE 0 : PROG
: origin = 0x3f8000, length = 0x0023fff

RESET
: origin = 0x0, length = 0x3f

PAGE 1 :


DATA
: origin = 0x008000, length = 0x001fff
}

SECTIONS
{

.reset
: load = RESET, PAGE = 0

.text
: load = PROG, PAGE = 0

.cinit
: load = PROG, PAGE = 0

.vectors
: load = PROG, PAGE = 0

.stack
: load = DATA, PAGE = 1

.data
: load = DATA, PAGE = 1

.ebss
: load = DATA, PAGE = 1

.bss
: load = DATA, PAGE = 1

.econst
: load = DATA, PAGE = 1

.const
: load = DATA, PAGE = 1

.cio
: load = DATA, PAGE = 1
}

作者都有注释。是DSP 入门的程序。

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