EC20 HTTP 图片传输

发现一个MQTT监控工具：实现订阅和推送消息

http://qcsdn.com/q/a/287571.html

mqttfx-1.7.0-windows-x64.exe下载

摄像头拍照

//App_Printf("take_photo_flag1=%drn",take_photo_flag);
ulecutionCount = ( uint32_t ) pvTimerGetTimerID( SD_Renewal_Handle );
if(take_photo_flag==1){take_photo_flag_time++;}
else take_photo_flag_time=0;
if((ulecutionCount>=60)||(take_photo_flag_time>=10))
{
	Audio_playback(""开始拍照"");
	take_photo_flag_time=0;
	if(PlatformMode==1)
	{
		memset(APP_SD_pic_buf,0,sizeof(APP_SD_pic_buf));
		sprintf((char*)APP_SD_pic_buf,"%04d%02d%02d%02d%02d.jpg",SocketGPS->utc.year,SocketGPS->utc.month,SocketGPS->utc.date,SocketGPS->utc.hour,SocketGPS->utc.min);			
		App_Printf("rnAPP_SD_pic_buf %srn",APP_SD_pic_buf);
		App_Printf("开始拍照rn");
		vTaskDelay(500);
		HTTP_Camera_Command_Read(APP_SD_pic_buf);
		if(take_photo_flag==1)
		{
			Audio_playback(""效准拍照成功"");
		}
		take_photo_flag=0;	
	}
	ulecutionCount = 0;
	vTimerSetTimerID( SD_Renewal_Handle, ( void * ) ulecutionCount );	
}

 /*******************************************************************************
函数名：HTTP_Camera_Command_Read
描述：  得到拍照的数据
输入：  无
输出：  [期望内容等于实际回显内容返回1，否则0]
调用：  内部调用
*******************************************************************************/
char HTTP_Camera_Command_Read(char *pictime)
{
	uint8_t Tbuf[7]={0x5A ,0x4D, 0x01, 0x01, 0x00, 0x5A, 0x23};//读长度
	usart3_buf.USART_Length = 0;
	memset(usart3_buf.USART_BUFF,0,sizeof(usart3_buf.USART_BUFF));
	Usart3_Send(Tbuf,7);
	vTaskDelay(3000);
	if (usart3_buf.USART_Length != 0)
	{
		if((usart3_buf.USART_BUFF[0]==0XFF)&&(usart3_buf.USART_BUFF[1]==0XD8)&&(usart3_buf.USART_BUFF[usart3_buf.USART_Length-2]==0XFF)&&(usart3_buf.USART_BUFF[usart3_buf.USART_Length-1]==0XD9))
		{
			App_Printf("usart3_buf.USART_BUFF[usart3_buf.USART_Length-2]=%d,usart3_buf.USART_BUFF[usart3_buf.USART_Length-1]=%drn",usart3_buf.USART_BUFF[usart3_buf.USART_Length-2],usart3_buf.USART_BUFF[usart3_buf.USART_Length-1]);
			App_Printf("获取到图片长度:%drn",usart3_buf.USART_Length);				
			FATFS_storepicFile(pictime,usart3_buf.USART_Length,usart3_buf.USART_BUFF);//写入SD卡	
			return 1;	
		}
	}
	return 0;		
}

uint8_t FATFS_storepicFile(char *name,uint32_t picsize,uint8_t *picbuf)
{	
	FRESULT res;

	FIL fsrc;
	UINT br;
	uint8_t buffer[1];
	uint32_t size=0;
	char rambuf[50];
	memset(rambuf,0,sizeof(rambuf));
	sprintf(rambuf,"0:/PHOTO/%s",name);
	//res = f_open(&fsrc, "0:/PHOTO/1.jpg",FA_OPEN_ALWAYS|FA_WRITE|FA_READ);
	res = f_open(&fsrc, rambuf, FA_OPEN_ALWAYS|FA_WRITE); 	
	//res = f_open(&fsrc, rambuf, FA_OPEN_ALWAYS|FA_WRITE);
	//App_Printf("%drn",res);	
	if ( res == FR_OK )
	{
		App_Printf("》打开/创建FatFs读写测试文件.txt文件成功，向文件写入数据。rn");
		/* 将指定存储区内容写入到文件内 */
		for(size=0;size<picsize;size++)
		{						
			buffer[0] =	picbuf[size];//App_Printf("%xrn",buffer[0]);	
			res = f_write(&fsrc, buffer, 1, &br);//br 用来保存读取到多少数据	
		}
		if(res==FR_OK)
		{
			App_Printf("！！文件写入成功：(%d)n",br);
		}
		else
		{
			App_Printf("！！文件写入失败：(%d)n",res_sd);
		}    
		/* 不再读写，关闭文件 */
		f_close(&fsrc);
	}
	else
	{	
		App_Printf("！！打开/创建文件失败。rn");
	}

	f_close(&fsrc); //不论是打开，还是新建文件，一定记得关闭			
	return res;
}

HTTP上传

App_Printf("上传照片rn");

HTTP_Land();//HTTP初始化 //123456.txt
//"123456.txt";
FATFS_ReadFile((char *)Pic_SD.PICFile[Pic_SD.number-1].name);//写入EC20数据		
//FATFS_ReadFile((char *)"2001.jpg");		

memset(APP_HTTP_pic_url_buf,0,sizeof(APP_HTTP_pic_url_buf));
sprintf((char*)APP_HTTP_pic_url_buf,"http://118.178.120.152:34210/api/file/%s",Pic_SD.PICFile[Pic_SD.number-1].name);
//sprintf((char*)APP_HTTP_pic_url_buf,"http://118.178.120.152:34210/api/file/2001.jpg");
 
memset(APP_HTTP_pic_url_length_buf,0,sizeof(APP_HTTP_pic_url_length_buf));
sprintf((char*)APP_HTTP_pic_url_length_buf,"AT+QHTTPURL=%d,80",strlen(APP_HTTP_pic_url_buf));

Comsend_AT(APP_HTTP_pic_url_length_buf,"CONNECT",200);

Comsend_AT(APP_HTTP_pic_url_buf,"OK",200);

memset(APP_HTTP_pic_POSTBUF,0,sizeof(APP_HTTP_pic_POSTBUF));
sprintf((char*)APP_HTTP_pic_POSTBUF,"AT+QHTTPPOSTFILE="RAM:%s",80",Pic_SD.PICFile[Pic_SD.number-1].name);
//sprintf((char*)APP_HTTP_pic_POSTBUF,"AT+QHTTPPOSTFILE="RAM:2001.jpg",80");
Comsend_AT(APP_HTTP_pic_POSTBUF,"OK",1200);
	
//Comsend_AT("AT+QHTTPCFG?","OK",200);
Comsend_AT("AT+QHTTPREAD=80","QHTTPREAD",200);
vTaskDelay(500);
if(http_recive_picnumibei>0)
{		
	//printf("rn打印的%drn", http_recive_picnumibei);																
	iot_event_report(2,MAXSensor_Id_Buf,Modetype,SocketGPS->latitude,SocketGPS->longitude,SocketGPS->speed,mqttsendtimebuf,0,0,http_reciveLINKFile);
	http_recive_picnumibei=0;     

	memset(APP_HTTP_pic_QFDELbuf,0,sizeof(APP_HTTP_pic_QFDELbuf));
	sprintf((char*)APP_HTTP_pic_QFDELbuf,"AT+QFDEL="RAM:%s"",Pic_SD.PICFile[Pic_SD.number-1].name);
	Comsend_AT(APP_HTTP_pic_QFDELbuf,"OK",500);	
	 
	char SDbuf[50];
	memset(SDbuf,0,sizeof(SDbuf));
	sprintf(SDbuf,"0:/PHOTO/%s",Pic_SD.PICFile[Pic_SD.number-1].name);
	f_unlink(SDbuf);//删除SD卡相应文件文件
	Pic_SD.number--;											 
}

数据写入ARM；注意写入数据时，0D0A换行的误添加；

uint8_t FATFS_ReadFile(char *name)
{
	uint32_t pic_length = 0;
	char SDbuf[50];
	char rambuf[50];
	FRESULT res;
	FIL fsrc;
//	uint16_t a;
	UINT br;
	uint8_t buffer[512];
	
	Comsend_AT("AT+QFLDS="RAM"","OK",200);//获取存储空间信息
	Comsend_AT("AT+QFLST="RAM:*"","OK",200);//列出全部缓存
	Comsend_AT("AT+QFDEL="RAM:*"","OK",200);//清楚全部缓存
	
	memset(SDbuf,0,sizeof(SDbuf));
	sprintf(SDbuf,"0:/PHOTO/%s",name);
	res = f_open(&fsrc, SDbuf, FA_READ);
	if(res == FR_OK)
	{
		br=1;
	//	a=0;
		pic_length = fsrc.fsize;//获取文件大小
		App_Printf("文件长度：%drn",pic_length);
		memset(rambuf,0,sizeof(rambuf));
		sprintf(rambuf,"AT+QFUPL="RAM:%s",%d",name,pic_length);
		App_Printf("%srn",rambuf);
		Comsend_AT(rambuf,"OK",200);
		//AT+QFUPL="RAM:1.jpg",7532
		printf("文件写入内容:");
		for (;;)
		{
      memset(buffer,0,sizeof(buffer));
			res = f_read(&fsrc, buffer, sizeof(buffer), &br);//br 用来保存读取到多少数据
			Comsend_date(buffer,br,"OK",50);
			App_Printf("br：%drn",br);
			if (res || br == 0)
			{
					break; // error or eof
			}
		}
//		f_unlink(SDbuf);//删除文件
	}
	f_close(&fsrc); //不论是打开，还是新建文件，一定记得关闭
	return 0;
}

HTTP GET网页图片

打开百度，搜索图片

找到其中一个图片；左键，选择复制图片地址；在工具中输入GET图片地址；点击get，即可获取该图片。

https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=1207814928,3279760574&fm=26&gp=0.jpg

http://pic1.cxtuku.com/00/10/58/b79246bc4cc3.jpg

///
/*                Write and Read a RAM File                         */
//
[10:29:21.138]发→◇GPRS:AT+QHTTPURL=54,80
□
[10:29:21.206]收←◆
CONNECT

[10:29:21.923]发→◇GPRS:http://pic.5tu.cn/uploads/allimg/1005/171627574720.jpg
□
[10:29:22.000]收←◆
OK

[10:29:24.074]发→◇GPRS:AT+QHTTPGET=80
□
[10:29:24.140]收←◆
OK

[10:29:24.554]收←◆
+QHTTPGET: 0,200,93405

[10:29:25.845]发→◇GPRS:AT+QHTTPREADFILE="RAM:171627574720.jpeg",80
□
[10:29:25.925]收←◆
OK

+QHTTPREADFILE: 0

[10:29:27.091]发→◇GPRS:AT+QFLST="RAM:*"
□
[10:29:27.162]收←◆
+QFLST: "RAM:171627574720.jpeg",91904

OK

[10:29:29.044]发→◇GPRS:AT+QFDEL="RAM:*"
□
[10:29:29.112]收←◆
OK

[10:29:33.598]发→◇GPRS:AT+QFLDS="RAM"
□
[10:29:33.668]收←◆
+QFLDS: 92160,102400

OK
[11:17:31.747]发→◇GPRS:AT+QFOPEN="RAM:171627574720.jpeg",0
□
[11:17:31.821]收←◆
+QFOPEN: 3000

OK

[11:17:35.940]发→◇GPRS:AT+QFREAD=3000,1000
□
[11:17:36.100]收←◆
CONNECT 1000
?郳0JFIFHH踈0C


踈0C        繺0??    腬0K!1A"Qa2q?#BR憽绷?$3bS狃?%Cr?⒉    cTe偅乱?腬0腬07!1"AQa2q?B亼贬?3裂CR馽$b赲0?豻繃?n伕?奫?rJs娣??竏?関g珆{圴A酋鍆处塷Q耺?jf[伔ＪR倶iN,nKE        'j?P鄴S'O脘t}撕嵇7?v?砡???鸐ずF土中?く!$aC鐘{M譝?皷殟輩襐矸j玗蔙"=%亻b[d鵌[奐O钛湪廱T韒猄襳*璈l|忢L?萔詤А帑僂?咀EUIY囥?垶L缥Q冇薤?嗢:x^m钞.癿1"<?
vb^V鹾?悙觡=_P;ui%m系?趎魥h毒虍J姶L?kJR[?豘B瓞8亶辊54A铍唳H~7+瀓豸    桤.*?;$m)%@忘$膑d?蕈薾?f餇>娵?6鋗稆~a.+寓∮鄪?><緦R涷sb酩詍觜K齼?!h?#?裼踠?%?染蝩??V堘茥Fig??n/-8Sか。PK?偷?O9紾q)峣>M鯵a鮬9莕範?R製?$澞c稪C?訇搛<?毚俽!J擳甀硕墏潉+H魩~ihll笒??J鑕3鍚灖'猡KkeE?兿N?歜?
OK

[11:17:42.892]发→◇GPRS:AT+QFSEEK=3000,90000,0
□
[11:17:42.961]收←◆
OK
[11:17:52.389]发→◇GPRS:AT+QFREAD=3000,1000
□
[11:17:52.537]收←◆
CO
[11:17:52.562]收←◆NNECT 904
恮匍馜賓?蚒悕.z獔Y幁?匮"剢^X;奌*㈣KubTrT1谞ヾ蕔桾蛎胊?鸼嫅lTnJ檟:搮|R瑪Z竈^?興$a#矮n蒃@跂侫鲲BYI=x猟:
跍w?朅鏍T巗唤N蒆砑湓趵B*?栎v追t[?U?硠6=詊$Fi/皓??7RNO?=??U饮擔*?骂椒Z[殝j%弗aqX驪;?閃I羲m鲂?跛烯攊?-q#h寭色釱(C痍秕纹~唁磒?4D?$j??/M?b刋?騄r稠?嵟M鬾:?罤篧c??憪4窉魦Q#賜潳劲1怚鹔叫拧膞??ゴ禫S煷印[@9;狓灿n%m鍈C寭
[11:17:52.620]收←◆喳妿6W >г漐待Kf;刞箤`$?惏腤趔痩歊侁K乚Ez"u燣齯&湒^S欉w蚉B≈s'臭苇%?鑁~r蠷が?廕[?懺K垴7靟{曉姗J塇侞洸W拐?|序睷+9 撛序,劰殾萺W殩C碚,嚈4$=吡WR稵妾葅亥慃uK!鯩K!鍶!蠥5(剭2?O阔 oOh獝?钛?^?颍?V崸?^潭?6鹙>:曥鋚jɑ?鶺?v橆0ず淤聣I?粢-?d竼展d娈萛gF
[11:17:52.664]收←◆糃@oa>掂oz'岧#o改S瑕^W;赶?J催e褤Ol?<沎?擯r?_毕J2厈圩+嬯B"?Md?$P24疲]?留晜p?VW熔P繹??嵟h<~?5,玖Z踀染耰堃
P    >濼j嫳kLi药㏄1P痆匼徱??t稼c;€賫iq=*恕2駋D?[A9謦禞ヵ6挨?r1Ad*怃褔F??5D<–陝=OZ????
OK

[11:17:55.070]发→◇GPRS:AT+QFREAD=3000,1000
□

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 

[18:12:36.582]发→◇GPRS:AT+QHTTPURL=54,80
□
[18:12:36.651]收←◆
CONNECT

[18:12:37.036]发→◇GPRS:http://pic.5tu.cn/uploads/allimg/1005/171627574720.jpg
□
[18:12:37.113]收←◆
OK

[18:12:37.724]发→◇GPRS:AT+QHTTPGET=80
□
[18:12:37.793]收←◆
OK

[18:12:38.143]收←◆
+QHTTPGET: 0,200,93405

[18:12:38.308]发→◇GPRS:AT+QHTTPREADFILE="RAM:171627574720.jpeg",80
□
[18:12:38.383]收←◆
OK

[18:12:38.468]收←◆
+QHTTPREADFILE: 0

[18:12:39.036]发→◇GPRS:AT+QFLST="RAM:*"
□
[18:12:39.107]收←◆
+QFLST: "RAM:171627574720.jpeg",92004

OK

[18:12:48.132]发→◇GPRS:AT+QFOPEN="RAM:171627574720.jpeg",0
□
[18:12:48.207]收←◆
+QFOPEN: 3000

OK

[18:12:48.668]发→◇GPRS:AT+QFREAD=3000,1000
□
[18:12:48.829]收←◆
CONNECT 1000
?郳0JFIFHH踈0C


踈0C        繺0??腬0    腬0K!1A"Qa2q?#BR憽绷?$3bS狃?%Cr?⒉    cTe偅乱?腬0腬07!1"AQa2q?B亼贬?3裂CR馽$b赲0?豻繃?n伕?奫?rJs娣??竏?関g珆{圴A酋鍆处塷Q耺?jf[伔ＪR倶iN,nKE        'j?P鄴S'O脘t}撕嵇7?v?砡???鸐ずF土中?く!$aC鐘{M譝?皷殟輩襐矸j玗蔙"=%亻b[d鵌[奐O钛湪廱T韒猄襳*璈l|忢L?萔詤А帑僂?咀EUIY囥?垶L缥Q冇薤?嗢:x^m钞.癿1"<?
vb^V鹾?悙觡=_P;ui%m系?趎魥h毒虍J姶L?kJR[?豘B瓞8亶辊54A铍唳H~7+瀓豸    桤.*?;$m)%@忘$膑d?蕈薾?f餇>娵?6鋗稆~a.+寓∮鄪?><緦R涷sb酩詍觜K齼?!h?#?裼踠?%?染蝩??V堘茥Fig??n/-8Sか。PK?偷?O9紾q)峣>M鯵a鮬9莕範?R製?$澞c稪C?訇搛<?毚俽!J擳甀硕墏潉+H魩~ihll笒??J鑕3鍚灖'猡KkeE?兿N?歜?
OK

[18:12:49.556]发→◇GPRS:AT+QFCLOSE=3000
□
[18:12:49.623]收←◆
OK

[18:12:50.268]发→◇GPRS:AT+QFSEEK=3000,0000,0
□
[18:12:50.338]收←◆
+CME ERROR: 416

[18:13:11.845]发→◇GPRS:AT+QFDEL="RAM:*"
□
[18:13:11.912]收←◆
OK

///
/*                Write and Read a UFS File                         */
//

[17:49:34.545]发→◇GPRS:AT+QHTTPURL=54,80
□
[17:49:34.613]收←◆
CONNECT

[17:49:38.687]发→◇GPRS:http://pic.5tu.cn/uploads/allimg/1011/162354134700.jpg
□
[17:49:38.765]收←◆
OK

[17:49:40.760]发→◇GPRS:AT+QHTTPGET=80
□
[17:49:40.826]收←◆
OK

[17:49:41.141]收←◆
+QHTTPGET: 0,200,27618

[17:49:41.888]发→◇GPRS:AT+QHTTPREADFILE="UFS:171627574720.jpg",80
□
[17:49:41.987]收←◆
OK

+QHTTPREADFILE: 0

[17:49:43.528]发→◇GPRS:AT+QFLST="UFS:*"
□
[17:49:43.626]收←◆
+QFLST: "171627574720.jpg",27618

OK

[17:49:49.344]发→◇GPRS:AT+QFOPEN="171627574720.jpg",0
□
[17:49:49.418]收←◆
+QFOPEN: 4

OK

[17:49:53.072]发→◇GPRS:AT+QFREAD=4,1000
□
[17:49:53.235]收←◆
CONNECT 1000
?郳0JFIF,,踈0C


踈0C        繺0,?    腬0K!1AQ"aq?2憽?#BR裂?3brCf偉?掅?$%4Sc惨腬0腬0%!1AQ"aq2?赲0?鶶f}T韣肳怿nyq:捗J鞅錳?0$橄枿(钮,F?衁vwc"莍?樰%|U?
?鹌^醧MRr笎4$啇誺巳灭zz趜╇]#晫?4菮fa#?婧?g_偂?uL"僫0觋朣MQ$啣囮邝?螆4?{阜RE垂
?    |g?CW[6%I営SK.}P旀s盟@避7樏%曊鏅酞唹&寪姨韅p蔿鰄@6<4(5}囪w?
鬷€?程.毲s橇???丛;#枸鸟LPGZl另H碹l謳d蹏緻Pq姜沁?C]娋?WT萠簠?崮?<旺牷l^叟承z瑥?-?9(c??と?憦朩8?r2嚼??袰妋尥鈸W?潐臦6jX殒冸X^g憫辈j    ?Haqjq殕R釨??>偔檍鼍毑78尤执滦騖E€鍭鋬扴訩I<S?酁'?n舒8??`E恡麲掖t54蹈觨]ULJ抁嘍鏴?>瓾師5巔k皂?=EI壨麣XΔf駥,u;(?⒎o+!l岷&叅悓诮犆鲇愊?
OK

[17:49:57.335]发→◇GPRS:AT+QFCLOSE=4
□
[17:49:57.404]收←◆
OK

[17:50:17.623]发→◇GPRS:AT+QFOPEN="171627574720.jpg",0
□
[17:50:17.698]收←◆
+QFOPEN: 4

OK

[17:50:25.978]发→◇GPRS:AT+QFREAD=4,1000
□
[17:50:26.136]收←◆
CONNECT 1000
?郳0JFIF,,踈0C


踈0C        繺0,?腬0    腬0K!1AQ"aq?2憽?#BR裂?3brCf偉?掅?$%4Sc惨腬0腬0%!1AQ"aq2?赲0?鶶f}T韣肳怿nyq:捗J鞅錳?0$橄枿(钮,F?衁vwc"莍?樰%|U?
?鹌^醧MRr笎4$啇誺巳灭zz趜╇]#晫?4菮fa#?婧?g_偂?uL"僫0觋朣MQ$啣囮邝?螆4?{阜RE垂
?    |g?CW[6%I営SK.}P旀s盟@避7樏%曊鏅酞唹&寪姨韅p蔿鰄@6<4(5}囪w?
鬷€?程.毲s橇???丛;#枸鸟LPGZl另H碹l謳d蹏緻Pq姜沁?C]娋?WT萠簠?崮?<旺牷l^叟承z瑥?-?9(c??と?憦朩8?r2嚼??袰妋尥鈸W?潐臦6jX殒冸X^g憫辈j    ?Haqjq殕R釨??>偔檍鼍毑78尤执滦騖E€鍭鋬扴訩I<S?酁'?n舒8??`E恡麲掖t54蹈觨]ULJ抁嘍鏴?>瓾師5巔k皂?=EI壨麣XΔf駥,u;(?⒎o+!l岷&叅悓诮犆鲇愊?
OK

[17:50:28.368]发→◇GPRS:AT+QFREAD=4,1000
□
[17:50:28.526]收←◆
CONNECT 1000
?う疄3錶昍书?e7梬炛;恡;)嬚蠥YMI磑倜3銘译[.@?|A?g釛)构K醄ji??v臐+鑳潖虋濮v滤抱?褪?蠷誗蠭W?-V4UBw:P昶68奂婤n7f肍?氐?{L蒰鷩E笜?Z摏-噃ho軆燬憩q韋T莳|X 臲[d糯4硐鮀e??咵檰骖Vv柧Kg鑍6-O堚p赵0?m95棈璴m,惗0FQ 矱躙0oz+鬽U坟鋣0妛嘦Tp}茷Щ???崘浦1hk@?怉??F9?i库?v既"?萹[{评 驱暱??顮eo馟?賉黁鯲?簛龝颗?顮eo馟?賉黁鯲?簛龝颗?顮eo馟?賉黁鯲?簛龝颗?顮灷?嘓$膉B鱳骑5魞゛竐&G%<t囱?(X?n?                                                                                                                                                                                                                                                                                                                                                                                                                             
OK

[17:50:33.423]发→◇GPRS:AT+QFSEEK=4,1000,0
□
[17:50:33.493]收←◆
OK

[17:50:36.103]发→◇GPRS:AT+QFREAD=4,1000
□
[17:50:36.261]收←◆
CONNECT 1000
?う疄3錶昍书?e7梬炛;恡;)嬚蠥YMI磑倜3銘译[.@?|A?g釛)构K醄ji??v臐+鑳潖虋濮v滤抱?褪?蠷誗蠭W?-V4UBw:P昶68奂婤n7f肍?氐?{L蒰鷩E笜?Z摏-噃ho軆燬憩q韋T莳|X 臲[d糯4硐鮀e??咵檰骖Vv柧Kg鑍6-O堚p赵0?m95棈璴m,惗0FQ 矱躙0oz+鬽U坟鋣0妛嘦Tp}茷Щ???崘浦1hk@?怉??F9?i库?v既"?萹[{评 驱暱??顮eo馟?賉黁鯲?簛龝颗?顮eo馟?賉黁鯲?簛龝颗?顮eo馟?賉黁鯲?簛龝颗?顮灷?嘓$膉B鱳骑5魞゛竐&G%<t囱?(X?n?                                                                                                                                                                                                                                                                                                                                                                                                                             
OK

[17:50:39.791]发→◇GPRS:AT+QFCLOSE=4
□
[17:50:39.861]收←◆
OK

最后

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