/*?//device/system/reference-ril/atchannel.c
**
**?Copyright?2006?The?Android?Open?Source?Project
**
**?Licensed?under?the?Apache?License?Version?2.0?（the?“License“）;
**?you?may?not?use?this?file?except?in?compliance?with?the?License.
**?You?may?obtain?a?copy?of?the?License?at
**
**?????http://www.apache.org/licenses/LICENSE-2.0
**
**?Unless?required?by?applicable?law?or?agreed?to?in?writing?software
**?distributed?under?the?License?is?distributed?on?an?“AS?IS“?BASIS
**?WITHOUT?WARRANTIES?OR?CONDITIONS?OF?ANY?KIND?either?express?or?implied.
**?See?the?License?for?the?specific?language?governing?permissions?and
**?limitations?under?the?License.
*/

#include?“atchannel.h“
#include?“at_tok.h“

#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?

#define?LOG_NDEBUG?0
#define?LOG_TAG?“AT“
#include?“ril_log.h“


#undef?HAVE_ANDROID_OS


#ifdef?HAVE_ANDROID_OS
/*?for?IOCTL‘s?*/
#include?
#endif?/*HAVE_ANDROID_OS*/

#include?“misc.h“

#ifdef?HAVE_ANDROID_OS
#define?USE_NP?1
#endif?/*?HAVE_ANDROID_OS?*/


#define?NUM_ELEMS（x）?（sizeof（x）/sizeof（x[0]））

#define?MAX_AT_RESPONSE?（8?*?1024）
#define?HANDSHAKE_RETRY_COUNT?8
#define?HANDSHAKE_TIMEOUT_MSEC?1000

static?pthread_t?s_tid_reader;
static?int?s_fd?=?-1;????/*?fd?of?the?AT?channel?*/
static?ATUnsolHandler?s_unsolHandler;

/*?for?input?buffering?*/

static?char?s_ATBuffer[MAX_AT_RESPONSE+1];
static?char?*s_ATBufferCur?=?s_ATBuffer;

static?int?s_ackPowerIoctl;?/*?true?if?TTY?has?android?byte-count
????????????????????????????????handshake?for?low?power*/
static?int?s_readCount?=?0;

#if?AT_DEBUG
void??AT_DUMP（const?char*??prefix?const?char*??buff?int??len）
{
????if?（len?????????len?=?strlen（buff）;
????LOGD（“%.*s“?len?buff）;
}
#endif

/*
?*?for?current?pending?command
?*?these?are?protected?by?s_commandmutex
?*/

static?pthread_mutex_t?s_commandmutex?=?PTHREAD_MUTEX_INITIALIZER;
static?pthread_cond_t?s_commandcond?=?PTHREAD_COND_INITIALIZER;

static?ATCommandType?s_type;
static?const?char?*s_responsePrefix?=?NULL;
static?const?char?*s_smsPDU?=?NULL;
static?ATResponse?*sp_response?=?NULL;

static?void?（*s_onTimeout）（void）?=?NULL;
static?void?（*s_onReaderClosed）（void）?=?NULL;
static?int?s_readerClosed;

static?void?onReaderClosed（）;
static?int?writeCtrlZ?（const?char?*s）;
static?int?writeline?（const?char?*s）;

#ifndef?USE_NP
static?void?setTimespecRelative（struct?timespec?*p_ts?long?long?msec）
{
????struct?timeval?tv;

????gettimeofday（&tv?（struct?timezone?*）?NULL）;

????/*?what‘s?really?funny?about?this?is?that?I?know
???????pthread_cond_timedwait?just?turns?around?and?makes?this
???????a?relative?time?again?*/
????p_ts->tv_sec?=?tv.tv_sec?+?（msec?/?1000）;
????p_ts->tv_nsec?=?（tv.tv_usec?+?（msec?%?1000）?*?1000L?）?*?1000L;
?
????if?（p_ts->tv_nsec?>?1000000000）?{
????	p_ts->tv_sec?+=?1;
????	p_ts->tv_nsec?-=?1000000000;
????}
}
#endi

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-11-14?19:32??air720\
?????文件???????21776??2019-11-14?19:16??air720\chat
?????文件????????9432??2019-11-14?18:19??air720\ip-down
?????文件????????9432??2019-11-14?18:19??air720\ip-up
?????文件???????38236??2019-11-14?18:31??air720\libreference-ril-air720.so
?????目錄???????????0??2019-11-14?19:32??air720\reference-ril-Air720H\
?????文件????????2140??2019-11-14?18:31??air720\reference-ril-Air720H\Android.mk
?????文件????????3660??2019-11-14?18:31??air720\reference-ril-Air720H\at_tok.c
?????文件?????????974??2019-11-14?18:31??air720\reference-ril-Air720H\at_tok.h
?????文件???????24834??2019-11-14?18:31??air720\reference-ril-Air720H\atchannel.c
?????文件????????4212??2019-11-14?18:31??air720\reference-ril-Air720H\atchannel.h
?????文件???????35035??2019-11-14?18:31??air720\reference-ril-Air720H\chat.c
?????文件????????9130??2019-11-14?18:31??air720\reference-ril-Air720H\diagsaver.c
?????文件?????????600??2019-11-14?18:31??air720\reference-ril-Air720H\ip-down.c
?????文件?????????844??2019-11-14?18:31??air720\reference-ril-Air720H\ip-up.c
?????文件?????????945??2019-11-14?18:31??air720\reference-ril-Air720H\misc.c
?????文件?????????775??2019-11-14?18:31??air720\reference-ril-Air720H\misc.h
?????文件???????15074??2019-11-14?18:31??air720\reference-ril-Air720H\pppd.c
?????文件?????????219??2019-11-14?18:31??air720\reference-ril-Air720H\pppd.h
?????文件???????91053??2019-11-14?18:31??air720\reference-ril-Air720H\reference-ril.c
?????文件??????????60??2019-11-14?18:31??air720\reference-ril-Air720H\ril.h
?????文件?????????277??2019-11-14?18:31??air720\reference-ril-Air720H\ril_log.h
?????文件????????4132??2019-11-14?18:31??air720\reference-ril-Air720H\usb_find.c
?????文件?????????234??2019-11-14?18:31??air720\reference-ril-Air720H\usb_find.h
?????文件???????12472??2019-11-14?18:31??air720\reference-ril-Air720H\usim-fcp.c