/*
????i2cbusses:?Print?the?installed?i2c?busses?for?both?2.4?and?2.6?kernels.
???????????????Part?of?user-space?programs?to?access?for?I2C
???????????????devices.
????Copyright?（c）?1999-2003??Frodo?Looijaard??and
?????????????????????????????Mark?D.?Studebaker?
????Copyright?（C）?2008-2010??Jean?Delvare?

????This?program?is?free?software;?you?can?redistribute?it?and/or?modify
????it?under?the?terms?of?the?GNU?General?Public?License?as?published?by
????the?Free?Software?Foundation;?either?version?2?of?the?License?or
????（at?your?option）?any?later?version.

????This?program?is?distributed?in?the?hope?that?it?will?be?useful
????but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
????MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.??See?the
????GNU?General?Public?License?for?more?details.

????You?should?have?received?a?copy?of?the?GNU?General?Public?License
????along?with?this?program;?if?not?write?to?the?Free?Software
????Foundation?Inc.?51?Franklin?Street?Fifth?Floor?Boston
????MA?02110-1301?USA.
*/

/*?For?strdup?and?snprintf?*/
#define?_BSD_SOURCE?1

#include?
#include?
#include?	/*?for?NAME_MAX?*/
#include?
#include?	/*?for?strcasecmp（）?*/
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?“i2cbusses.h“
#include?“linux/i2c-dev.h“

enum?adt?{?adt_dummy?adt_isa?adt_i2c?adt_smbus?adt_unknown?};

struct?adap_type?{
	const?char?*funcs;
	const?char*?algo;
};

static?struct?adap_type?adap_types[5]?=?{
	{?.funcs	=?“dummy“
	??.algo		=?“Dummy?bus“?}
	{?.funcs	=?“isa“
	??.algo		=?“ISA?bus“?}
	{?.funcs	=?“i2c“
	??.algo		=?“I2C?adapter“?}
	{?.funcs	=?“smbus“
	??.algo		=?“SMBus?adapter“?}
	{?.funcs	=?“unknown“
	??.algo		=?“N/A“?}
};

static?enum?adt?i2c_get_funcs（int?i2cbus）
{
	unsigned?long?funcs;
	int?file;
	char?filename[20];
	enum?adt?ret;

	file?=?open_i2c_dev（i2cbus?filename?sizeof（filename）?1）;
	if?（file?		return?adt_unknown;

	if?（ioctl（file?I2C_FUNCS?&funcs）?		ret?=?adt_unknown;
	else?if?（funcs?&?I2C_FUNC_I2C）
		ret?=?adt_i2c;
	else?if?（funcs?&?（I2C_FUNC_SMBUS_BYTE?|
			??I2C_FUNC_SMBUS_BYTE_DATA?|
			??I2C_FUNC_SMBUS_WORD_DATA））
		ret?=?adt_smbus;
	else
		ret?=?adt_dummy;

	close（file）;
	return?ret;
}

/*?Remove?trailing?spaces?from?a?string
???Return?the?new?string?length?including?the?trailing?NUL?*/
static?int?rtrim（char?*s）
{
	int?i;

	for?（i?=?strlen（s）?-?1;?i?>=?0?&&?（s[i]?==?‘?‘?||?s[i]?==?‘\n‘）;?i--）
		s[i]?=?‘\0‘;
	return?i?+?2;
}

void?free_adapters（struct?i2c_adap?*adapters）
{
	int?i;

	for?（i?=?0;?adapters[i].name;?i++）
		free（adapters[i].name）;
	free（adapters）;
}

/*?We?allocate?space?for?the?adapters?in?bunches.?The?last?item?is?a
???terminator?so?here?we?start?with?room?for?7?adapters?which?should
???be?enough?in?most?cases.?If?not?we?allocate?more?later?as?needed.?*/

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????10580??2010-12-12?13:22??i2c-tools\include\linux\i2c-dev.h
?????文件????????8549??2013-03-15?01:21??i2c-tools\i2cdetect.c
?????文件????????6608??2010-11-26?10:25??i2c-tools\i2cget.c
?????文件????????1382??2010-11-26?10:25??i2c-tools\i2cbusses.h
?????文件????????1310??2009-01-13?17:46??i2c-tools\util.c
?????文件?????????906??2009-01-13?17:46??i2c-tools\util.h
?????文件???????10086??2013-03-15?01:16??i2c-tools\i2cbusses.c
?????文件??????????24??2011-12-04?17:33??i2c-tools\version.h
?????文件????????1389??2013-03-15?01:24??i2c-tools\Android.mk
?????文件???????12010??2010-11-26?10:25??i2c-tools\i2cdump.c
?????文件???????11056??2011-02-15?16:12??i2c-tools\i2cset.c
?????目錄???????????0??2011-12-04?17:56??i2c-tools\include\linux\
?????目錄???????????0??2013-03-15?01:15??i2c-tools\include\
?????目錄???????????0??2013-03-15?01:24??i2c-tools\