153 lines
4.0 KiB
C
153 lines
4.0 KiB
C
/*
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* Copyright (C) 2024 Rockchip Electronics Co., Ltd.
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* Authors:
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* Cerf Yu <cerf.yu@rock-chips.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _IM2D_SLT_CRC_H_
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#define _IM2D_SLT_CRC_H_
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#include <stdint.h>
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#include "slt_config.h"
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unsigned int crc_table[256];
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unsigned int *golden_crc_table = NULL;
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__attribute__((constructor)) static void init_crc_table(void)
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{
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unsigned int c;
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unsigned int i, j;
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for (i = 0; i < 256; i++) {
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c = (unsigned int)i;
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for (j = 0; j < 8; j++) {
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if (c & 1)
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c = 0xedb88320L ^ (c >> 1);
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else
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c = c >> 1;
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}
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crc_table[i] = c;
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}
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}
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static unsigned int crc32(unsigned int crc,unsigned char *buffer, unsigned int size)
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{
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unsigned int i;
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for (i = 0; i < size; i++) {
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crc = crc_table[(crc ^ buffer[i]) & 0xff] ^ (crc >> 8);
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}
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return crc;
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}
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void save_crcdata_to_file(unsigned int crc_data, const char *prefix_name, int case_index)
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{
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FILE* crc_file = NULL;
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char file_name[100];
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sprintf(file_name,"%s/%s_%s.txt",
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IM2D_SLT_DEFAULT_GOLDEN_PATH,
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IM2D_SLT_GENERATE_CRC_GOLDEN_PREFIX,
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prefix_name);
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if(case_index == 0) {
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crc_file = fopen(file_name, "wb+");
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if(crc_file == NULL){
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printf("%s,%d:openFile %s fail",__FUNCTION__,__LINE__,file_name);
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exit(0);
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}
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}else {
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crc_file = fopen(file_name, "a+");
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if(crc_file == NULL){
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printf("%s,%d:openFile %s fail",__FUNCTION__,__LINE__,file_name);
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exit(0);
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}
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}
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if(case_index % 8 == 0 && case_index != 0) {
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fprintf(crc_file, "\r\n0x%X,", crc_data);
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}else {
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fprintf(crc_file, "0x%X,", crc_data);
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}
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if (crc_file) {
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fclose(crc_file);
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crc_file = NULL;
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}
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/* golden */
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sprintf(file_name,"%s/%s_%s.bin",
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IM2D_SLT_DEFAULT_GOLDEN_PATH,
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IM2D_SLT_GENERATE_CRC_GOLDEN_PREFIX,
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prefix_name);
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if(case_index == 0) {
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crc_file = fopen(file_name, "wb+");
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if(crc_file == NULL){
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printf("%s,%d:openFile %s fail",__FUNCTION__,__LINE__,file_name);
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exit(0);
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}
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}else {
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crc_file = fopen(file_name, "a+");
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if(crc_file == NULL){
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printf("%s,%d:openFile %s fail",__FUNCTION__,__LINE__,file_name);
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exit(0);
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}
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}
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fwrite((void *)(&crc_data), sizeof(crc_data), 1, crc_file);
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if (crc_file) {
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fclose(crc_file);
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crc_file = NULL;
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}
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}
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unsigned int * read_crcdata_from_file(const char *prefix_name) {
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int size;
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FILE *golden_file = NULL;
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unsigned int *golden_table = NULL;
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char file_name[100];
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sprintf(file_name,"%s/%s_%s.bin",
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IM2D_SLT_DEFAULT_GOLDEN_PATH,
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IM2D_SLT_GENERATE_CRC_GOLDEN_PREFIX,
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prefix_name);
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golden_file = fopen(file_name,"rb");
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if (golden_file) {
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fseek(golden_file, 0, SEEK_END);
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size = ftell(golden_file);
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golden_table = (unsigned int *)malloc(size);
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if (golden_table == NULL) {
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printf("malloc golden_table fault!\n");
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fclose(golden_file);
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return NULL;
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}
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fseek (golden_file, 0, SEEK_SET);
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fread((void*)golden_table, size, 1, golden_file);
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fclose(golden_file);
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return golden_table;
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} else {
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printf("Could not open file : %s \n",file_name);
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}
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return NULL;
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}
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inline int crc_check(int index, unsigned int crc_data, unsigned int *golden_table) {
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return crc_data != golden_table[index] ? false : true;
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}
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#endif /* #ifndef _IM2D_SLT_CRC_H_ */
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