csu3_am335x/EVSE/GPL/plc-utils.LNX.2.1.20/source/pib/psgraph.c

/*====================================================================*
*
*   Copyright (c) 2013 Qualcomm Atheros, Inc.
*
*   All rights reserved.
*
*====================================================================*/

/*====================================================================*
 *
 *   psgraph.c - print PIB prescaler graph;
 *
 *   Contributor(s):
 *      Charles Maier <cmaier@qca.qualcomm.com>
 *
 *--------------------------------------------------------------------*/

/*====================================================================*
 *   system header files;
 *--------------------------------------------------------------------*/

#include <unistd.h>
#include <limits.h>
#include <errno.h>

/*====================================================================*
 *   custom header files;
 *--------------------------------------------------------------------*/

#include "../tools/getoptv.h"
#include "../tools/putoptv.h"
#include "../tools/number.h"
#include "../tools/error.h"
#include "../tools/files.h"
#include "../plc/plc.h"
#include "../pib/pib.h"

/*====================================================================*
 *   custom source files;
 *--------------------------------------------------------------------*/

#ifndef MAKEFILE
#include "../tools/getoptv.c"
#include "../tools/putoptv.c"
#include "../tools/version.c"
#include "../tools/uintspec.c"
#include "../tools/todigit.c"
#include "../tools/error.c"
#endif

#ifndef MAKEFILE
#include "../pib/pibscalers.c"
#endif

/*====================================================================*
 *   program constants;
 *--------------------------------------------------------------------*/

#define PSGRAPH_VERBOSE (1 << 0)
#define PSGRAPH_SILENCE (1 << 1)

/*====================================================================*
 *
 *   void int6x00Prescalers (struct _file_ * pib, unsigned scale);
 *
 *--------------------------------------------------------------------*/

static void int6x00Prescalers (struct _file_ * pib, unsigned scale) 

{ 
	unsigned index = 0; 
	if (lseek (pib->file, INT_PRESCALER_OFFSET, SEEK_SET) != INT_PRESCALER_OFFSET) 
	{ 
		error (1, errno, "Can't seek %s", pib->name); 
	} 
	for (index = 0; index < INT_PRESCALER_LENGTH; index++) 
	{ 
		uint32_t value; 
		if (read (pib->file, & value, sizeof (value)) != sizeof (value)) 
		{ 
			error (1, errno, "can't read %s", pib->name); 
		} 
		printf (" %6.3f %04d %6d ", INDEX_TO_FREQ (index), index, value); 
		while (value > scale) 
		{ 
			printf ("#"); 
			value -= scale; 
		} 
		printf ("\n"); 
	} 
	return; 
} 

/*====================================================================*
 *
 *   int main (int argc, char const * argv []);
 *
 *--------------------------------------------------------------------*/

int main (int argc, char const * argv []) 

{ 
	static char const * optv [] = 
	{ 
		"s:", 
		"file [> stdout]", 
		"print PIB prescaler graph", 
		"s n\tscale", 
		(char const *) (0)
	}; 
	struct _file_ pib; 
	unsigned count = 0; 
	unsigned scale = 10; 
	signed c; 
	optind = 1; 
	while (~ (c = getoptv (argc, argv, optv))) 
	{ 
		switch (c) 
		{ 
		case 's': 
			scale = (unsigned) (uintspec (optarg, 1, UCHAR_MAX)); 
			break; 
		default: 
			break; 
		} 
	} 
	argc -= optind; 
	argv += optind; 
	if (argc > 1) 
	{ 
		error (1, ENOTSUP, "Only one file is permitted"); 
	} 
	if ((argc) && (* argv)) 
	{ 
		pib.name = * argv; 
		if ((pib.file = open (pib.name, O_BINARY | O_RDONLY)) == - 1) 
		{ 
			error (1, errno, "Can't open %s", pib.name); 
		} 
		count = pibscalers (& pib); 
		if (count == AMP_CARRIERS) 
		{ 
			error (1, ENOTSUP, "AR7x00 PIB Format"); 
		} 
		else if (count == INT_CARRIERS) 
		{ 
			int6x00Prescalers (& pib, scale); 
		} 
		else 
		{ 
			error (1, ENOTSUP, "Unknown PIB Format"); 
		} 
		close (pib.file); 
	} 
	return (0); 
}