AudioConsole/AudioConsole.X/Source/Util.c

/*******************************************************************************
*                                                                              *
* Copyright 2010 Rheinmetall Canada Inc.                                  	   *
*                                                                              *
* No part of this document may be reproduced, stored in                        *
* a retrieval system, or transmitted, in any form or by any means,             *
* electronic, mechanical, photocopying, recording, or otherwise,               *
* without the prior written permission of Rheinmetall Canada Inc.              *
*                                                                              *
*******************************************************************************/
/*
	Description:
	This is a template file for standard C code file.

*/

/* ************************************************************************** */
/* ¤Revision:
000 20100616 JFM,
	Original version.

### YYYYMMDD Initial, Bug Identification
	Change description.
 */

/* ************************************************************************** */
/* Includes */
#include "define.h"
#include "Util.h"
#include <string.h>
#include <stdio.h>
#include "PrintfServer.h"
//#include "Watchdog.h"

/* ************************************************************************** */
/* Local variables */
#ifdef ENABLE_DEBUG_LOG
char acDebugLog[DEBUG_LOG_SIZE][100];
int iLogIndex = 0;
int iWrapCntr = 0;
#endif

//void _mon_putc(char c);	//override from stdio to redirect stdout 



//-----------------------------------------------------------------------------
//void _mon_putc(char c)
//{
//    TelnetPutPrintf(c);
//}

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
short SwapEndianShort(short p_sData)
{
	return (((p_sData & 0xFF00) >> 8) | ((p_sData & 0x00FF) << 8));
}	

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
int SwapEndianInt(int p_iData)
{
	return (((p_iData & 0xFF000000) >> 24) | ((p_iData & 0x00FF0000) >> 8) | ((p_iData & 0x0000FF00) << 8) | ((p_iData & 0x000000FF) << 24));
}

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
#ifdef ENABLE_DEBUG_LOG
char* GetDebugLogPtr(void)
{
	char *pcPtr;
	
	if(iLogIndex == DEBUG_LOG_SIZE)
	{
		iLogIndex = 0;
		iWrapCntr++;
	}	
	
	memset(&acDebugLog[iLogIndex][0],0,sizeof(acDebugLog[iLogIndex]));
	pcPtr = &acDebugLog[iLogIndex][0];
	
	iLogIndex++;
	
	return pcPtr;
	
}	

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void ClearDebugLog(void)
{
	int i;
	for(i = 0; i < DEBUG_LOG_SIZE; i++)
	{
		memset(&acDebugLog[i][0],0,sizeof(acDebugLog[i]));
	}	
	
	iLogIndex = 0;
	iWrapCntr = 0;
}	

#endif

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
int ConvertIntToStrLeadingZero(char* p_pcString, unsigned int p_iChar, int digit)
{
	char temp[8];
	int i=0;
	sprintf(temp, "%X", p_iChar);
	//itoa(p_cChar,temp,radix);
	if(p_iChar < 0xF)
	{
		for (i=0; i<digit-1; i++)
			p_pcString[i] = '0';	//Add a Zero in front of the Character
		memcpy(&p_pcString[i], &temp[0], digit-i);
	}
	else if(p_iChar < 0xFF)
	{
		for (i=0; i<digit-2; i++)
			p_pcString[i] = '0';	//Add a Zero in front of the Character
		memcpy(&p_pcString[i], &temp[0], digit-i);
	}
	else if(p_iChar < 0xFFF)
	{
		for (i=0; i<digit-3; i++)
			p_pcString[i] = '0';	//Add a Zero in front of the Character
		memcpy(&p_pcString[i], &temp[0], digit-i);
	}
	else if(p_iChar < 0xFFFF)
	{
		for (i=0; i<digit-4; i++)
			p_pcString[i] = '0';	//Add a Zero in front of the Character
		memcpy(&p_pcString[i], &temp[0], digit-i);
	}
	else if(p_iChar < 0xFFFFF)
	{
		for (i=0; i<digit-5; i++)
			p_pcString[i] = '0';	//Add a Zero in front of the Character
		memcpy(&p_pcString[i], &temp[0], digit-i);
	}
	else if(p_iChar < 0xFFFFFF)
	{
		for (i=0; i<digit-6; i++)
			p_pcString[i] = '0';	//Add a Zero in front of the Character
		memcpy(&p_pcString[i], &temp[0], digit-i);
	}
	else if(p_iChar < 0xFFFFFFF)
	{
		for (i=0; i<digit-7; i++)
			p_pcString[i] = '0';	//Add a Zero in front of the Character
		memcpy(&p_pcString[i], &temp[0], digit-i);
	}

	return 1;	
}

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
int ConvertIntToStr(char* p_pcString, unsigned int p_iChar)
{
	char temp[8];
	int i=0;

	sprintf(temp, "%X", p_iChar);
	if(p_iChar < 0xF)
	{
		p_pcString[0] = temp[0];
		return 1;
	}
	else if(p_iChar < 0xFF)
	{
		for (i=0; i<2; i++)
			p_pcString[i] = temp[i];
		return 2;
	}
	else if(p_iChar < 0xFFF)
	{
		for (i=0; i<3; i++)
			p_pcString[i] = temp[i];
		return 3;
	}
	else if(p_iChar < 0xFFFF)
	{
		for (i=0; i<4; i++)
			p_pcString[i] = temp[i];
		return 4;
	}
	else if(p_iChar < 0xFFFFF)
	{
		for (i=0; i<5; i++)
			p_pcString[i] = temp[i];
		return 5;
	}
	else if(p_iChar < 0xFFFFFF)
	{
		for (i=0; i<6; i++)
			p_pcString[i] = temp[i];
		return 6;
	}
	else if(p_iChar < 0xFFFFFFF)
	{
		for (i=0; i<7; i++)
			p_pcString[i] = temp[i];
		return 7;
	}
	else if(p_iChar < 0xFFFFFFFF)
	{
		for (i=0; i<8; i++)
			p_pcString[i] = temp[i];
		return 8;
	}

	return 0;	
}

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
int ConvertCharToStrLeadingZero(char* p_pcString, unsigned char p_cChar, int digit)
{
	char temp[2];
	int i=0;
	sprintf(temp, "%X", p_cChar);
	//itoa(p_cChar,temp,radix);
	if(p_cChar < 0xF)
	{
		for (i=0; i<digit-1; i++)
			p_pcString[i] = '0';	//Add a Zero in front of the Character
		memcpy(&p_pcString[i], &temp[0], digit-i);
	}
	else if(p_cChar < 0xFF)
	{
		for (i=0; i<digit-2; i++)
			p_pcString[i] = '0';	//Add a Zero in front of the Character
		memcpy(&p_pcString[i], &temp[0], digit-i);
	}

	return 1;	
}

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
unsigned int ConvertStrToValue(char* p_pcString, int p_iSize, int p_iRadix)
{
	int i=0;
	int j=0;
	unsigned int uiValue = 0;
	unsigned int uiFactor = 1;

	if (p_iRadix == 16)
	{
		for (i=p_iSize-1; i>=0; i--)
		{
			if (i==p_iSize-1)
			{
				uiValue = p_pcString[i] - 0x30;
			}
			else
			{
				for (j=i; j<=p_iSize-2; j++)
					uiFactor *= 16;	
				uiValue += (p_pcString[i] - 0x30) * uiFactor;
			}
			
		}

	}
	else if (p_iRadix == 10)
	{
		for (i=0; i<p_iSize; i++)
		{
			if (i==0)
				uiFactor = 1;
			else
			{
				for (j=0; j<i; j++)
					uiFactor *= 10;	
			}

			uiValue += (p_pcString[i] - 0x30) * uiFactor;
		}

	}

	return uiValue;
}

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
int ConvertCharToStr(char* p_pcString, unsigned char p_cChar)
{
	char temp[2];

	sprintf(temp, "%X", p_cChar);
	if(p_cChar < 0xF)
	{
		p_pcString[0] = temp[0];
		return 1;
	}
	else if(p_cChar < 0xFF)
	{
		p_pcString[0] = temp[0];
		p_pcString[1] = temp[1];
		return 2;
	}

	return 0;	
}

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// CRC-8 table (256 bytes)
//  Crc table for poly: $C7
const int CRC8_TABLE[256] = {   0, 199, 73, 142, 146, 85, 219, 28, 227, 36, 170, 109, 113, 182, 56, 255,
                                1, 198, 72, 143, 147, 84, 218, 29, 226, 37, 171, 108, 112, 183, 57, 254,
                                2, 197, 75, 140, 144, 87, 217, 30, 225, 38, 168, 111, 115, 180, 58, 253,
                                3, 196, 74, 141, 145, 86, 216, 31, 224, 39, 169, 110, 114, 181, 59, 252,
                                4, 195, 77, 138, 150, 81, 223, 24, 231, 32, 174, 105, 117, 178, 60, 251,
                                5, 194, 76, 139, 151, 80, 222, 25, 230, 33, 175, 104, 116, 179, 61, 250,
                                6, 193, 79, 136, 148, 83, 221, 26, 229, 34, 172, 107, 119, 176, 62, 249,
                                7, 192, 78, 137, 149, 82, 220, 27, 228, 35, 173, 106, 118, 177, 63, 248,
                                8, 207, 65, 134, 154, 93, 211, 20, 235, 44, 162, 101, 121, 190, 48, 247,
                                9, 206, 64, 135, 155, 92, 210, 21, 234, 45, 163, 100, 120, 191, 49, 246,
                               10, 205, 67, 132, 152, 95, 209, 22, 233, 46, 160, 103, 123, 188, 50, 245,
                               11, 204, 66, 133, 153, 94, 208, 23, 232, 47, 161, 102, 122, 189, 51, 244,
                               12, 203, 69, 130, 158, 89, 215, 16, 239, 40, 166,  97, 125, 186, 52, 243,
                               13, 202, 68, 131, 159, 88, 214, 17, 238, 41, 167,  96, 124, 187, 53, 242,
                               14, 201, 71, 128, 156, 91, 213, 18, 237, 42, 164,  99, 127, 184, 54, 241,
                               15, 200, 70, 129, 157, 90, 212, 19, 236, 43, 165,  98, 126, 185, 55, 240 };

//---------------------------------------------------------------------------
//
//  Function:   Crc8
//
//  Parameter:  char*   message
//              int    	number of characters in the command
//
//  Descrip:    calc the crc of a commans string
//
//  Author:     ADubreuil (12/05/06)
//
//---------------------------------------------------------------------------
int Crc8(char* answer, int length)
{
   int i,crc,key;

   crc = 0;
   for(i=0;i<length;i++) {
      key = CRC8_TABLE[crc];
      crc = answer[i] ^ key;
   }

   return crc;
}

//---------------------------------------------------------------------------
void Delay(unsigned int count)
{
//  KickWatchdog();
//  while(--count);
//  KickWatchdog();
}
//---------------------------------------------------------------------------

//EOF