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移远EC200A模块linux usb驱动包下载地址

13樓 巨大八爪鱼 2025-12-23 17:58
root@rk3308b-buildroot:/root# microcom /dev/ttyUSB1
AT+QIOPEN=1,0,"TCP","154.222.17.158",80,0,2
CONNECT
HTTP/1.1 400 Bad Request
Server: nginx/1.27.4
Date: Tue, 23 Dec 2025 09:58:37 GMT
Content-Type: text/html
Content-Length: 157
Connection: close

<html>
<head><title>400 Bad Request</title></head>
<body>
<center><h1>400 Bad Request</h1></center>
<hr><center>nginx/1.27.4</center>
</body>
</html>

NO CARRIER
root@rk3308b-buildroot:/root#
巨大八爪鱼 2025-12-23 18:05

最后一定要记得AT+QICLOSE=0关闭连接，不然建立不了新连接。

root@rk3308b-buildroot:/root# microcom /dev/ttyUSB1

AT+QIOPEN=1,0,"TCP","154.222.17.158",80,0,2
ERROR
AT+QICLOSE=0
OK
AT+QIOPEN=1,0,"TCP","154.222.17.158",80,0,2
CONNECT
HTTP/1.1 400 Bad Request
Server: nginx/1.27.4
Date: Tue, 23 Dec 2025 10:04:32 GMT
Content-Type: text/html
Content-Length: 157
Connection: close

<html>
<head><title>400 Bad Request</title></head>
<body>
<center><h1>400 Bad Request</h1></center>
<hr><center>nginx/1.27.4</center>
</body>
</html>

NO CARRIER
AT+QICLOSE=0
OK
root@rk3308b-buildroot:/root#

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