AT指令调试

一. 网址参考

二. 实践与截图

　　AT指令推荐顺序：

　　　　1) 初始化：检测GPRS模块、SIM卡信息和网络注册状态

　　　　AT--->ATV1--->ATE0--->AT+CGSN--->ATI--->AT+CREG?--->AT+CGREG?--->AT+CPIN?---->AT+QCCID--->AT+CIMI--->AT+CSQ

　　　　2）设置APN和拨号

　　　　AT+QICLOSE--->AT+QIDEACT--->AT+QICSGP--->AT+CFUN=0---->AT+CFUN=1--->AT+COPS--->AT+CGREG?--->AT+QENG="servingcell--->AT+CSQ--->AT+QIACT=1--->AT+QIACT?

　　　　3）连接服务器及查询连接网络

　　AT+QIOPEN--->AT+QISTATE--->AT+QNWINFO

　

 　  1. 检测GPRS模块、SIM卡信息和网络注册状态

　　　　1）AT指令测试　　

write:AT
ec20 read[6]:
OK

　　　　2）设置TA(Terminal Adapter)响应格式

　　　　　　TA Response Format
write:ATV1           //Long result code format
ec20 read[6]:
OK

　　　　3）关闭回显　　　　　

　　　　　　Set Command Echo Mode
write:ATE0
ec20 read[6]:
OK

　　　　4)  查询设备IMEI

　　　　Request Product Serial Number Identification

write:AT+CGSN
ec20 read[25]:
869492051359031

OK

　　　　5) 查询模块版本信息

Display Product Identification Information
write:ATI
ec20 read[52]:
Quectel
EC25
Revision: EC25ECGAR06A07M1G

OK

　　　　6) 查询网络注册状态

AT+CREG ：returns the network registration status
AT+CGREG： Network Registration Status
write:AT+CREG?
ec20 read[20]:
+CREG: 0,1

OK

write:AT+CGREG?
ec20 read[21]:
+CGREG: 0,1

OK

　　　　7）查询SIM卡状态

AT+CPIN is used to enter a password or query whether or not the module requires a password which is
necessary before it can be operated (SIM PIN, SIM PUK, PH-SIM PIN, etc.).
write:AT+CPIN?
ec20 read[22]:
+CPIN: READY

OK　　　　

　　　　8） 查询ICCID

　　　　returns the ICCID (Integrated Circuit Card Identifier) number of the SIM card.
write:AT+QCCID
ec20 read[38]:
+QCCID: 89966060990139233923

OK

　　　　9)  查询IMSI

　　　　　　Request International Mobile Subscriber Identity (IMSI)
write:AT+CIMI
ec20 read[25]:
420060013923392

OK

McGetImsi:code param is 420060013923392

OK

　　　　10) 查询信号质量

AT+CSQ： Signal Quality Report
write:AT+CSQ
ec20 read[21]:
+CSQ: 31,99

OK

　　2. 断开sockeet服务和Deactivate PDP Context　

　　　　AT+QICLOSE:  Close Socket Service
　　　　AT+QIDEACT: Deactivate PDP Context
write:AT+QICLOSE=0
ec20 read[6]:
OK

000 0d 0a 4f 4b 0d 0a 
write:AT+QIDEACT=1
ec20 read[6]:
OK

　　3. AT+QICSGP配置APN

Configure the <APN>, <username>, <password> and other contexts by AT+QICSGP
write:AT+QICSGP=1,1,"lebara","","",1
ec20 read[6]:
OK

　　 4. CFUN切换

           AT+CFUN controls the functionality level. It can also be used to reset the UE（User Equipment
）

 

5. CFUN切换之后，查询当前网络状态：

AT+COPS?, AT+CGREG?, AT+QENG="servingcell

AT+COPS： returns the current operators and their status and allows to set automatic or manual network
selection.
AT+QENG：Switch on/off Engineering Mode

6. AT+QIACT=1  拨号，AT+QIACT? 查询拨号结果

AT+QIACT：Activate PDP Context
write:AT+QIACT=1
ec20 read[6]:
OK


write:AT+QIACT?
ec20 read[39]:
+QIACT: 1,1,1,"10.203.75.182"

OK

　　7. AT+QIOPEN：连接TCP服务器及查询连接状态

AT+QIOPEN：Start Socket Service
write:AT+QIOPEN=1,0,"TCP","46.251.153.210",8900,0,1
ec20 read[6]:
OK

write:AT+QISTATE=1,0
ec20 read[67]:
+QISTATE: 0,"TCP","46.251.153.210",8900,0,1,1,0,1,"uart1"

OK
+QIOPEN: 0,0

　　8. AT+QNWINFO： 查询连接的网络信息

AT+QNWINFO：Query Network Information
write:AT+QNWINFO
ec20 read[72]:
+QNWINFO: "FDD LTE","42003","LTE BAND 20",1850

OK

 

posted @ 2023-02-02 10:49  shanyu20  阅读(2214)  评论(0)  编辑  收藏  举报