+++ /dev/null
-/*
- * Copyright (c) 2013 Qualcomm Atheros, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted (subject to the limitations in the
- * disclaimer below) provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the
- * distribution.
- *
- * * Neither the name of Qualcomm Atheros nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
- * GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
- * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
- * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include <stdio.h>
-#include <string.h>
-
-
-#define MAX_READ_SIZE 80
-
-static void crc16ccitt_init(unsigned short *uCcitt16)
-{
- *uCcitt16 = 0xFFFF;
-}
-
-static void crc16ccitt_update(unsigned short *uCcitt16, unsigned char *pBuffer, unsigned long uBufSize)
-{
- unsigned long i = 0;
- unsigned long j = 0;
-
- for(i = 0; i < uBufSize; i++)
- {
- for(j=0; j<3; j++)
- {
- *uCcitt16 = (*uCcitt16 >> 8) | (*uCcitt16 << 8);
- *uCcitt16 ^= pBuffer[3-j];
- *uCcitt16 ^= (*uCcitt16 & 0xFF) >> 4;
- *uCcitt16 ^= (*uCcitt16 << 8) << 4;
- *uCcitt16 ^= ((*uCcitt16 & 0xFF) << 4) << 1;
- }
- }
-}
-
-static void crc16ccitt_final(unsigned short *uCcitt16)
-{
- *uCcitt16 = ~(*uCcitt16);
-}
-
-void write_file(unsigned short crc, unsigned short file_size, FILE *out, FILE *in)
-{
- unsigned char buffer[MAX_READ_SIZE];
- unsigned short size;
-
- //set file pointer to start of the file
- if( feof(in) )
- fseek(in,0,SEEK_SET);
-
- while(1)
- {
- size = fread(buffer, sizeof(unsigned char), sizeof(buffer), in);
-
- if (size<MAX_READ_SIZE)
- {
- if( size%4==1 )
- {
- buffer[size] = 0x0;
- buffer[size+1] = 0x0;
- buffer[size+2] = 0x0;
- size+=3;
- }
- else if ( size%4==2 )
- {
- buffer[size] = 0x0;
- buffer[size+1] = 0x0;
- size+=2;
- }
- else if ( size%4==3 )
- {
- buffer[size] = 0x0;
- size+=1;
- }
- fwrite(buffer, sizeof(unsigned char), size, out);
- goto ERR_DONE;
- }
- fwrite(buffer, sizeof(unsigned char), MAX_READ_SIZE, out);
- }
-ERR_DONE:
-
- fwrite(&crc, sizeof(unsigned char), sizeof(short), out);
- fwrite(&file_size, sizeof(unsigned char), sizeof(short), out);
-
- return;
-}
-
-
-unsigned short cal_crc(FILE *in)
-{
- int size;
- long file_size;
- unsigned short crc = 0;
- unsigned char buffer[MAX_READ_SIZE];
-
- file_size = size = 0;
-
- crc16ccitt_init(&crc);
-
- while(1)
- {
- size = fread(buffer, sizeof(unsigned char), sizeof(buffer), in);
- file_size += size;
-
- if( size%4==1 )
- {
- buffer[size] = 0x0;
- buffer[size+1] = 0x0;
- buffer[size+2] = 0x0;
- size+=3;
- }
- else if ( size%4==2 )
- {
- buffer[size] = 0x0;
- buffer[size+1] = 0x0;
- size+=2;
- }
- else if ( size%4==3 )
- {
- buffer[size] = 0x0;
- size+=1;
- }
-
- crc16ccitt_update(&crc, (unsigned char*)buffer, size);
-
- if (size<MAX_READ_SIZE)
- goto ERR_DONE;
- }
-
-ERR_DONE:
-
- crc16ccitt_final(&crc);
- printf(" ==> output crc 0x%04x with file size 0x%04x\n\r", crc, file_size);
-
- return crc;
-}
-
-
-int main(int argc, char* argv[])
-{
- FILE *in, *out;
- int retVal;
- int i=0;
- unsigned short crc = 0;
- unsigned short size = 0;
- char input_file_name[80];
- char output_file_name[80];
-
- in = out = 0x0;
-
- if( argc < 3 )
- {
- printf("\"imghdr [input_file] [output_file] - calculate the image and prefix to the binary \"!\n\r");
- goto ERR_DONE;
- }
- strcpy(input_file_name, argv[1]);
- strcpy(output_file_name, argv[2]);
-
- printf("imghdr %s %s!\n\r", input_file_name, output_file_name);
-
- if((in = fopen(input_file_name,"rb")) == NULL)
- goto ERR_DONE;
-
- if((out = fopen(output_file_name,"wt")) == NULL)
- goto ERR_DONE;
-
- crc = cal_crc(in);
-
- fseek( in, 0, SEEK_END );
- size = ftell(in); // get file length
- fseek( in, 0, SEEK_SET );
-
- printf(" ==> (2) output crc 0x%04x with file size 0x%04x\n\r", crc, size);
- write_file(crc, size, out, in);
-
-
-ERR_DONE:
-
- if(in) fclose(in);
- if(out) fclose(out);
-
- return 0;
-
-}
projects / open-ath9k-htc-firmware.git / blobdiff