On 03/12/2013 02:26 PM, Ming Li Wu wrote:
Hello,
I am using Telit HE910 modem, the version of firmware is 12.00.03.
Sometimes, the modem port got stuck after sending AT+CGDCONT=1.
(Such as AT+CGDCONT=1,"IP","internet.tele2.se").
The following was the situation when this problem happened
Aux: > AT+CRSM=192,28621\r
Modem: > AT+CGDCONT=1,"IP","internet.tele2.se"\r
Modem: < AT+CGDCONT=1,"IP","internet.tele2.se"\r
Aux: < \r\n+CME ERROR: 4\r\n
The problem, in short, is that the Telit HE910 does not support sending
any AT command on the Modem port while there is an outstanding command
on the Aux port (this should be true for all Telit modems). Does Ofono
support synchronizing these two channels so that they effectively share
a common command queue? If yes, how?
/Jonas
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