📄 img_sobel_d.c
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/* ======================================================================== */
/* TEXAS INSTRUMENTS, INC. */
/* */
/* NAME */
/* IMG_sobel_d.c -- Example file for IMG_sobel */
/* */
/* USAGE */
/* This file contains code for demonstrating the C64x IMGLIB */
/* IMG_sobel function. All inputs to the function contain random */
/* data. The assembly version of IMG_sobel is called and the output */
/* is compared with the reference C code using mem_compare() in */
/* support.c. */
/* ------------------------------------------------------------------------ */
/* Copyright (C) 2003 Texas Instruments, Incorporated. */
/* All Rights Reserved. */
/* ======================================================================== */
#include <stdio.h>
#include <stdlib.h>
/* Header file for the memory compare function */
int mem_compare(const void *ptr1, const char *name1,
const void *ptr2, const char *name2, int len);
/* Header file for the DSPLIB function */
#include "IMG_sobel.h"
/* Header file for the C function */
void IMG_sobel_c(const unsigned char * in_data, unsigned char * out_data, short cols, short rows);
/* ======================================================================== */
/* Constant dataset. */
/* ======================================================================== */
#define COLS (256)
#define ROWS (3)
#define N_IN (COLS*ROWS)
#define N_OUT (COLS*(ROWS-2))
/* ======================================================================== */
/* Initialize arrays with random test data. */
/* ======================================================================== */
int test = 0;
const unsigned char in_data[N_IN] = {
0xA4, 0x6F, 0x70, 0x29, 0x49, 0x0C, 0xB1, 0xA4,
0x94, 0x9D, 0xCA, 0xB8, 0xD9, 0xDF, 0xEA, 0xE8,
0x1C, 0x82, 0x6E, 0xBA, 0x7D, 0x27, 0xBC, 0x61,
0x9E, 0x2D, 0x28, 0x78, 0xB7, 0xDC, 0xDF, 0xD7,
0x59, 0xBF, 0xE5, 0xB2, 0x49, 0xD1, 0xF9, 0x58,
0x36, 0xEC, 0xB3, 0x43, 0xBE, 0x9A, 0x64, 0x26,
0xDA, 0xB4, 0xD5, 0xFC, 0xEA, 0x61, 0x8D, 0xD3,
0xAE, 0x64, 0xAC, 0xBA, 0x7E, 0xBE, 0x9A, 0x4F,
0xDA, 0x18, 0x88, 0x5F, 0xAF, 0x76, 0x0C, 0xB9,
0xCE, 0x14, 0x45, 0x22, 0x21, 0xAB, 0x90, 0x8B,
0x11, 0x6C, 0x70, 0x84, 0x2E, 0xB9, 0xF3, 0x00,
0xCA, 0x42, 0xFE, 0x5A, 0xDA, 0x72, 0x31, 0xA7,
0xD0, 0xC8, 0x2E, 0x88, 0xD3, 0xDA, 0xC7, 0xC9,
0x96, 0x03, 0xE3, 0x76, 0x16, 0xD1, 0x3A, 0x8E,
0xDC, 0xD7, 0xFC, 0xCD, 0xEC, 0x77, 0x60, 0xD9,
0xAC, 0x8A, 0x78, 0xBF, 0x4C, 0xF3, 0x4F, 0x74,
0xA7, 0x5A, 0xDE, 0xF3, 0xC5, 0xB6, 0x24, 0x75,
0x7E, 0x2C, 0x60, 0x32, 0x8C, 0xE2, 0x95, 0xB5,
0xE3, 0x96, 0x54, 0x27, 0x76, 0xA5, 0x2E, 0xDC,
0x2C, 0xBB, 0x1D, 0xBD, 0x11, 0xF0, 0x77, 0xC1,
0x83, 0x94, 0x84, 0x3C, 0x6B, 0xBA, 0xA3, 0xD1,
0x34, 0x24, 0x63, 0xD7, 0x88, 0x75, 0x6E, 0xBF,
0xA9, 0x25, 0xFB, 0x2E, 0xDB, 0x04, 0xB6, 0x09,
0x3C, 0x67, 0xEA, 0x32, 0xD3, 0xA8, 0xF1, 0xB8,
0x19, 0xEC, 0x86, 0x06, 0xA0, 0xEA, 0x1E, 0x5E,
0x2B, 0x5C, 0xBB, 0x99, 0x6B, 0x82, 0xEF, 0x6F,
0x19, 0x03, 0xCC, 0x4A, 0x35, 0x7F, 0xFD, 0x1F,
0x27, 0xE6, 0x53, 0x4D, 0xB7, 0xE0, 0x77, 0x3D,
0xFF, 0xF4, 0x9F, 0x65, 0xCA, 0xCE, 0x7A, 0xE5,
0x3A, 0x71, 0x2C, 0x5F, 0xE8, 0x5D, 0x60, 0x92,
0xB2, 0x0A, 0x31, 0xAF, 0xAC, 0xAB, 0x8F, 0xB3,
0xA6, 0xEA, 0x7A, 0xEA, 0x4B, 0x8D, 0x2E, 0xF8,
0xE4, 0x47, 0x9B, 0x0F, 0x75, 0xE0, 0xC9, 0x64,
0x40, 0x95, 0x30, 0x24, 0x0A, 0xA3, 0x70, 0xB1,
0xE6, 0x81, 0x76, 0x56, 0xC1, 0xCE, 0xFF, 0x93,
0x3C, 0x5E, 0x9C, 0x9C, 0xCF, 0xA0, 0x5F, 0x54,
0x33, 0x65, 0x60, 0xCA, 0x63, 0xCE, 0x42, 0x8D,
0x5B, 0x94, 0x2C, 0x3D, 0xD9, 0x8E, 0x7F, 0xFA,
0x2B, 0x6E, 0xB3, 0x84, 0x4B, 0xF3, 0x83, 0xFB,
0x60, 0x2B, 0x2E, 0xCB, 0x56, 0x7E, 0x78, 0xE9,
0xA4, 0x10, 0xD2, 0x9C, 0xA1, 0xFC, 0xAE, 0x4D,
0x2A, 0xEE, 0x9B, 0xFF, 0x23, 0x2E, 0x78, 0xCF,
0x2E, 0x9A, 0xC3, 0x43, 0xBE, 0x84, 0x43, 0x19,
0xF8, 0x4C, 0x37, 0x7D, 0x4D, 0xA1, 0xD0, 0xE0,
0x41, 0x9C, 0x07, 0x3E, 0x13, 0xD7, 0xAA, 0xF1,
0x99, 0x8F, 0xAB, 0x41, 0xDC, 0x0F, 0x9F, 0x94,
0xBB, 0xCE, 0xDA, 0x6D, 0x1E, 0xEB, 0xBF, 0x6A,
0x9B, 0xC4, 0x52, 0x3B, 0xDA, 0xE3, 0xB0, 0xBB,
0x4D, 0xBE, 0x57, 0x4F, 0xFD, 0x67, 0x5C, 0x53,
0xBD, 0x98, 0xD6, 0x45, 0x98, 0xC9, 0xF2, 0x22,
0xD0, 0xCF, 0x26, 0xAA, 0x40, 0xBF, 0xE5, 0x5B,
0x27, 0xE6, 0xF5, 0x99, 0x97, 0xEE, 0x22, 0x1A,
0x9E, 0x4C, 0xB4, 0xC6, 0x0E, 0xB8, 0x06, 0x9A,
0x40, 0xCB, 0xE9, 0x80, 0xAB, 0xF6, 0x8C, 0x75,
0x5C, 0x8D, 0x0D, 0xF2, 0xBC, 0xFB, 0x44, 0xC8,
0x1B, 0x77, 0x61, 0xDD, 0x2D, 0x58, 0x07, 0xED,
0xE5, 0x80, 0xE9, 0x27, 0x64, 0x79, 0xFB, 0x0E,
0xD1, 0x09, 0x02, 0xC3, 0x5F, 0x12, 0x87, 0xFE,
0x2E, 0x0D, 0x7C, 0x17, 0x23, 0xBC, 0xEB, 0xC3,
0x46, 0x2F, 0xCE, 0x4B, 0x4B, 0xEB, 0xEB, 0x95,
0x62, 0x2A, 0x1B, 0xF7, 0x0B, 0x7B, 0x81, 0x79,
0x2B, 0x68, 0x04, 0x44, 0xC9, 0xC3, 0xE8, 0x37,
0x8B, 0x8F, 0xCA, 0xC8, 0xED, 0x08, 0x67, 0x30,
0x40, 0x09, 0x43, 0x8B, 0x77, 0x8F, 0x28, 0x76,
0x80, 0x66, 0x31, 0xF8, 0x81, 0x63, 0x13, 0x99,
0x22, 0x6C, 0x01, 0x08, 0xBD, 0x0E, 0x12, 0xD7,
0xF6, 0x67, 0xB4, 0x9A, 0xA8, 0x1B, 0x67, 0xB1,
0x2E, 0xF6, 0xB1, 0xB8, 0x41, 0x5F, 0xC4, 0x7E,
0xE6, 0x3B, 0x83, 0x99, 0xAE, 0x35, 0x88, 0x29,
0x40, 0xCA, 0x17, 0x31, 0x59, 0xEE, 0x38, 0x45,
0xA8, 0x13, 0xED, 0x8E, 0xE2, 0xC8, 0x8B, 0x64,
0x59, 0x61, 0xB5, 0x8C, 0x52, 0x6F, 0x9C, 0x18,
0x73, 0xC8, 0x61, 0x34, 0xDE, 0x1C, 0xA1, 0xF4,
0x71, 0x53, 0x41, 0xA9, 0xB6, 0xDC, 0x59, 0xB1,
0x2A, 0x09, 0xBE, 0x9A, 0x51, 0x54, 0xD0, 0xEF,
0x08, 0x13, 0x98, 0x2A, 0xD3, 0xAE, 0x50, 0x15,
0x9D, 0x55, 0xFB, 0x85, 0x37, 0x09, 0x7A, 0x7B,
0x34, 0x6B, 0xA0, 0xAF, 0x2F, 0xBB, 0x40, 0x68,
0xA7, 0xC2, 0x42, 0xB5, 0xB7, 0x64, 0x26, 0x63,
0x35, 0xEA, 0x01, 0x12, 0xB6, 0x7D, 0x73, 0x02,
0xD0, 0xED, 0x08, 0xE8, 0x2B, 0x8B, 0x61, 0xAE,
0xE5, 0xA4, 0xB7, 0xC9, 0xC5, 0xAC, 0x06, 0xD0,
0x66, 0x74, 0xB2, 0xE1, 0x01, 0x74, 0xA6, 0x68,
0x7E, 0xEB, 0xDA, 0xA8, 0x5D, 0x65, 0x83, 0x6F,
0x27, 0xE8, 0xDA, 0xCD, 0x6B, 0x7C, 0x93, 0x34,
0x88, 0xE8, 0x1E, 0x92, 0x27, 0x50, 0x9A, 0x98,
0xF1, 0x10, 0x49, 0xB8, 0x2A, 0x4E, 0xF6, 0x41,
0xF3, 0x31, 0xEE, 0xEF, 0x17, 0x7E, 0x25, 0xAD,
0x1E, 0xF1, 0x31, 0xFF, 0xD0, 0xF2, 0x5E, 0xC5,
0xAB, 0xC7, 0x26, 0xEA, 0xCD, 0xEE, 0xD5, 0x9F,
0x6B, 0xF2, 0x3B, 0xF5, 0x52, 0x19, 0x49, 0x1B,
0x27, 0x2B, 0xBB, 0xD0, 0x04, 0xF8, 0x26, 0x71,
0xAC, 0x07, 0x75, 0x17, 0xC6, 0xFB, 0x21, 0x15,
0xCC, 0x53, 0xF6, 0x09, 0xB9, 0x05, 0x87, 0x03,
0x91, 0xCD, 0x42, 0x88, 0x9A, 0x60, 0x89, 0x35,
0x12, 0xC2, 0xF5, 0x92, 0xCC, 0x56, 0xC0, 0xF8
};
unsigned char out_data_asm[N_OUT];
unsigned char out_data_c[N_OUT];
int main()
{
/* ======================================================================== */
/* Call hand-coded assembly version (located in IMG64x.lib library */
/* archive - see Project -> Build Options -> Linker -> Include Libraries) */
/* ======================================================================== */
IMG_sobel(in_data, out_data_asm, COLS, ROWS);
/* ======================================================================== */
/* Call natural-C version */
/* ======================================================================== */
IMG_sobel_c(in_data, out_data_c, COLS, ROWS);
/* ======================================================================== */
/* Compare outputs using mem_compare() in support.c. If different, */
/* mem_compare() displays location of failures. */
/* The start addresses and size are adjusted since the first and last */
/* outputs are not produced. */
/* ======================================================================== */
test = mem_compare(out_data_asm+1, "out_data_asm", out_data_c+1, "out_data_c", sizeof(out_data_c)-2);
if (test == 0)
{
printf("out_data_asm vs. out_data_c");
printf("\nVerification successful.\n");
}
}
/* ======================================================================== */
/* End of file: img_sobel_d.c */
/* ------------------------------------------------------------------------ */
/* Copyright (C) 2003 Texas Instruments, Incorporated. */
/* All Rights Reserved. */
/* ======================================================================== */
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