Hello,
I have a problem with connecting to SPP device. Pairing is successful, but when I try to connect I get error, nevermind if I use AT+QBTCONN or AT+QBTCONND, still got errors.
The external device is working because I am able to connect with android device, PC, etc.
I’m using the last documentation that I found:
Quectel_GSM_BT_Application_Note_V1.2.pdf
This is the communication log:
->ATI
Quectel_Ltd
Quectel_M66
Revision: M66FAR02A05BT OK
-> AT+QBTSCAN
AT+QBTSCAN OK
+QBTSCAN: 1,“BarCode Scannerspp”,AAA8AC30A8FD
-> AT+QBTSCANC
AT+QBTSCANC
+QBTSCAN: 0 OK
-> AT+QBTPAIR=1
AT+QBTPAIR=1 OK
+QBTPAIR: “BarCode Scannerspp”,AAA8AC30A8FD
-> AT+QBTPAIRCNF=1,“0000”
AT+QBTPAIRCNF=1,“0000” OK
+QBTPAIRCNF: 1,1,1,“BarCode Scannerspp”,AAA8AC30A8FD
-> AT+QBTGPROF=1
AT+QBTGPROF=1
+QBTGPROF: 0,“SPP” OK
-> AT+QBTSTATE
AT+QBTSTATE
+QBTSTATE: 5
+QBTSTATE: 0,1,“BarCode Scannerspp”,AAA8AC30A8FD OK
-> AT+QBTCONND=AAA8AC30A8FD,0
AT+QBTCONND=AAA8AC30A8FD,0 OK
+QBTIND: “disc”,0,1,“BarCode Scannerspp”,AAA8AC30A8FD,“SPP”
+CME ERROR: 8018
-> AT+QBTCONND=AAA8AC30A8FD,1
AT+QBTCONND=AAA8AC30A8FD,1 OK
+QBTIND: “disc”,0,1,“BarCode Scannerspp”,AAA8AC30A8FD,“SPP”
+CME ERROR: 8018
-> AT+QBTCONND=AAA8AC30A8FD,2
AT+QBTCONND=AAA8AC30A8FD,2 OK
+QBTIND: “disc”,0,1,“BarCode Scannerspp”,AAA8AC30A8FD,“SPP”
+CME ERROR: 8018 CLOSED
-> AT+QBTCONN=1,0,0
AT+QBTCONN=1,0,0 OK
+QBTIND: “disc”,0,1,“BarCode Scannerspp”,AAA8AC30A8FD,“SPP”
+CME ERROR: 8018
-> AT+QBTCONN=1,0,1
AT+QBTCONN=1,0,1 OK
+QBTIND: “disc”,0,1,“BarCode Scannerspp”,AAA8AC30A8FD,“SPP”
+CME ERROR: 8018
-> AT+QBTCONN=1,0,2
AT+QBTCONN=1,0,2 OK
+QBTIND: “disc”,0,1,“BarCode Scannerspp”,AAA8AC30A8FD,"SPP
+CME ERROR: 8018 CLOSED
Any help will be appreciated.
Thanks.