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").
When this problem happened, I could not get any information from the
modem port
after this command..
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
According to Telit AT Commands Reference Guide:
/3.2.5. Command Issuing Timing/
/The chain Command -> Response shall always be respected and a new
command must not be//
//issued before the module has terminated all the sending of its
response result code (whatever it//
//may be)./
It seems that this problem is caused by "Command Issuing TIming"
Since there were alway some pending responses on the AUX port when this
problem happened.
and there was no pending response on the AUX port when it worked.
when it worked:
Aux: > AT+CRSM=192,28621\r
Aux: < \r\n+CME ERROR: 4\r\n
Aux: > AT+CRSM=192,28437\r
Aux: < \r\n+CRSM: 148,4\r\n\r\nOK\r\n
drivers/atmodem/gprs-context.c:at_gprs_activate_primary() cid 1
Modem: > AT+CGDCONT=1,"IP","internet.tele2.se"\r
Modem: < AT+CGDCONT=1,"IP","internet.tele2.se"\r\r\nOK\r\n
I added sleep(1) just before sending out
AT+CGDCONT=1,"IP","internet.tele2.se command.
It worked well. I know this is a bad idea.
If this problem is really caused by "Command Issuing TIming", How
should we solve or work around this problem?
Thanks.
Mingli
The following is trace log.
Aux: > ATE0 +CMEE=1\r
Aux: < ATE0 +CMEE=1\r\r\nOK\r\n
Aux: > AT#QSS=0\r
Aux: < \r\nOK\r\n
Aux: > AT+CFUN=1\r
Aux: < \r\nOK\r\n
plugins/telit.c:cfun_enable_cb() 0x9b6af8
src/modem.c:modem_change_state() old state: 0, new state: 1
plugins/telit.c:telit_pre_sim() 0x9b6af8
Aux: > AT&C0\r
src/sim.c:ofono_sim_add_state_watch() 0x9afc98
src/sim.c:ofono_sim_add_state_watch() 0x9afc98
src/sim.c:ofono_sim_add_state_watch() 0x9afc98
Aux: < \r\nOK\r\n
Aux: > AT+GCAP\r
Aux: < \r\n+GCAP: +CGSM,+DS,+FCLASS,+MS,+ES\r\n\r\nOK\r\n
Aux: > AT+CRC=1\r
Aux: < \r\nOK\r\n
Aux: > AT+CLIP=1\r
Aux: < \r\nOK\r\n
Aux: > AT+CDIP=1\r
Aux: < \r\nERROR\r\n
Aux: > AT+CNAP=1\r
Aux: < \r\nERROR\r\n
Aux: > AT+COLP=1\r
Aux: < \r\nOK\r\n
Aux: > AT+CSSN=1,1\r
Aux: < \r\nOK\r\n
Aux: > AT+VTD?\r
Aux: < \r\n0\r\n\r\nOK\r\n
Aux: > AT+CCWA=1\r
Aux: < \r\nOK\r\n
drivers/atmodem/voicecall.c:at_voicecall_initialized() voicecall_init:
registering to notifications
src/sim.c:ofono_sim_add_state_watch() 0x9afc98
Aux: > AT#AUTOATT=0\r
Aux: < \r\nOK\r\n
Aux: > AT#QSS=2\r
Aux: < \r\nOK\r\n
Aux: > AT#QSS?\r
Aux: < \r\n#QSS: 2,1\r\n\r\nOK\r\n
plugins/telit.c:telit_qss_notify() 0x9b6af8
plugins/telit.c:switch_sim_state_status() 0x9b6af8, SIM status: 1
Aux: > AT+CGMI\r
Aux: < \r\nTelit\r\n\r\nOK\r\n
Aux: > AT+CLCC\r
Aux: < \r\nOK\r\n
Aux: > AT+CPIN?\r
Aux: < \r\n+CPIN: READY\r\n\r\nOK\r\n
Aux: > AT+CGMM\r
Aux: < \r\nHE910\r\n\r\nOK\r\n
Aux: > AT+CPMS?\r
Aux: < \r\n+CPMS: "SM",0,25,"SM",0,25,"SM",0,25\r\n\r\nOK\r\n
Aux: > AT+CGMR\r
Aux: < \r\n12.00.002\r\n\r\nOK\r\n
Aux: > AT+CSCS=?\r
Aux: < \r\n+CSCS: ("GSM","IRA","8859-1","PCCP437","UCS2")\r\n\r\nOK\r\n
Aux: > AT+CSMS=?\r
Aux: < \r\n+CSMS: (0,1)\r\n\r\nOK\r\n
drivers/atmodem/sms.c:at_csms_query_cb() CSMS query parsed successfully
Aux: > AT+CRSM=192,28599\r
Aux: < \r\n+CRSM: 148,4\r\n\r\nOK\r\n
src/voicecall.c:ecc_g2_read_cb() 0
Aux: > AT+CGSN\r
Aux: < \r\n357164045019588\r\n\r\nOK\r\n
Aux: > AT+CPBS=?\r
Aux: < \r\n+CPBS: ("SM","FD","LD","MC","RC","DC","ME","ON")\r\n\r\nOK\r\n
Aux: > AT+CSMS=1\r
Aux: < \r\n+CSMS: 1,1,1\r\n\r\nOK\r\n
Aux: > AT+CRSM=192,28599\r
Aux: < \r\n+CRSM: 148,4\r\n\r\nOK\r\n
src/voicecall.c:ecc_g3_read_cb() 0
Aux: > AT+CSMS?\r
Aux: < \r\n
Aux: < +CSMS: 1,1,1,1\r\n\r\nOK\r\n
Aux: > AT+CRSM=192,12258\r
Aux: < \r\n+CRSM: 144,0,0000000A2FE204000EFFEE01020000\r\n\r\nOK\r\n
drivers/atmodem/sim.c:at_crsm_info_cb() crsm_info_cb: 90, 00, 15
Aux: > AT+CMGF=?\r
Aux: < \r\n+CMGF: (0,1)\r\n\r\nOK\r\n
Aux: > AT+CRSM=176,12258,0,0,10\r
Aux: < \r\n+CRSM: 144,0,98640244020000105139\r\n\r\nOK\r\n
drivers/atmodem/sim.c:at_crsm_read_cb() crsm_read_cb: 90, 00, 10
src/simfs.c:sim_fs_op_read_block_cb() bufoff: 0, dataoff: 0, tocopy: 10
Aux: > AT+CPMS=?\r
Aux: < \r\n+CPMS: ("SM"),("SM"),("SM")\r\n\r\nOK\r\n
Aux: > AT+CRSM=192,28421\r
Aux: < \r\n+CME ERROR: 4\r\n
Aux: > AT+CMGF=0\r
Aux: < \r\nOK\r\n
Aux: > AT+CRSM=192,12037\r
Aux: < \r\n+CME ERROR: 4\r\n
Aux: > AT+CPMS="SM","SM","SM"\r
Aux: < \r\n+CPMS: 0,25,0,25,0,25\r\n\r\nOK\r\n
Aux: > AT+CPIN?\r
Aux: < \r\n+CPIN: READY\r\n\r\nOK\r\n
drivers/atmodem/sim.c:at_cpin_cb() crsm_pin_cb: READY
drivers/atmodem/sim.c:at_pin_retries_query()
Aux: > AT+CNMI=?\r
Aux: < \r\n+CNMI: (0-3),(0-3),(0,2),(0-2),(0,1)\r\n\r\nOK\r\n
drivers/atmodem/sms.c:build_cnmi_string()
drivers/atmodem/sms.c:construct_ack_pdu()
Aux: > AT#PCT\r
Aux: < \r\n#PCT: 3\r\n\r\nOK\r\n
drivers/atmodem/sim.c:at_pct_cb() Note: No password required,
returning maximum retries:
drivers/atmodem/sim.c:at_pct_cb() retry counter id=1, val=3
drivers/atmodem/sim.c:at_pct_cb() retry counter id=4, val=3
drivers/atmodem/sim.c:at_pct_cb() retry counter id=9, val=10
drivers/atmodem/sim.c:at_pct_cb() retry counter id=11, val=10
Aux: > AT+CRSM=192,28590\r
Aux: < \r\n+CME ERROR: 4\r\n
Aux: > AT+CNMI=2,2,2,1,0\r
Aux: < \r\nOK\r\n
src/sms.c:sms_restore_tx_queue()
plugins/push-notification.c:sms_watch() registered
plugins/smart-messaging.c:sms_watch() registered
Aux: > AT+CRSM=192,28589\r
Aux: < \r\n+CRSM: 144,0,000000036FAD04000EFFEE01020000\r\n\r\nOK\r\n
drivers/atmodem/sim.c:at_crsm_info_cb() crsm_info_cb: 90, 00, 15
Aux: > AT+CMGL=4\r
Aux: < \r\nOK\r\n
drivers/atmodem/sms.c:at_cmgl_done()
Aux: > AT+CGSMS=3\r
Aux: < \r\nOK\r\n
Aux: > AT+CRSM=176,28589,0,0,3\r
Aux: < \r\n
Aux: < +CRSM: 144,0,00FFFF\r\n\r\nOK\r\n
drivers/atmodem/sim.c:at_crsm_read_cb() crsm_read_cb: 90, 00, 3
src/simfs.c:sim_fs_op_read_block_cb() bufoff: 0, dataoff: 0, tocopy: 3
EFad does not specify (optional) MNC length, defaulting to 2
Aux: > AT+CRSM=192,28438\r
Aux: < \r\n+CRSM: 148,4\r\n\r\nOK\r\n
Aux: > AT+CRSM=192,28472\r
Aux: < \r\n+CRSM: 144,0,0000000E6F3804001EFFEE01020000\r\n\r\nOK\r\n
drivers/atmodem/sim.c:at_crsm_info_cb() crsm_info_cb: 90, 00, 15
Aux: > AT+CRSM=176,28472,0,0,14\r
Aux: < \r\n+CRSM: 144,0,FF3FFF0F0300FC03000CC300F0C0\r\n\r\nOK\r\n
drivers/atmodem/sim.c:at_crsm_read_cb() crsm_read_cb: 90, 00, 14
src/simfs.c:sim_fs_op_read_block_cb() bufoff: 0, dataoff: 0, tocopy: 14
Aux: > AT+CRSM=192,28502\r
Aux: < \r\n+CME ERROR: 4\r\n
Aux: > AT+CIMI\r
Aux: < \r\n240075990001159\r\n\r\nOK\r\n
drivers/atmodem/sim.c:at_cimi_cb() cimi_cb: 240075990001159
src/modem.c:modem_change_state() old state: 1, new state: 2
plugins/telit.c:telit_post_sim() 0x9b6af8
drivers/atmodem/gprs-context.c:at_gprs_context_probe()
Aux: > AT+CGDCONT=?\r
plugins/telit.c:telit_set_online() modem 0x9b6af8 online
Aux: < \r\n+CGDCONT: (1-5),"IP",,,(0,1),(0,1)\r\n\r\nOK\r\n
Aux: > AT+CFUN=1,0\r
Aux: < \r\nOK\r\n
src/modem.c:modem_change_state() old state: 2, new state: 3
plugins/telit.c:telit_post_online() 0x9b6af8
Aux: > AT#QSS?\r
Aux: < \r\n#QSS: 2,1\r\n\r\nOK\r\n
plucins/telit.c:telit_qss_notify() 0x9b6af8
plugins/telit.c:switch_sim_state_status() 0x9b6af8, SIM status: 1
Aux: > AT+CRSM=192,28480\r
Aux: < \r\n+CRSM: 144,0,000000386F40040011FFEE0102011C\r\n\r\nOK\r\n
drivers/atmodem/sim.c:at_crsm_info_cb() crsm_info_cb: 90, 00, 15
Aux: > AT+CGREG=?\r
Aux: < \r\n+CGREG: (0-2)\r\n\r\nOK\r\n
Aux: > AT+CREG=?\r
Aux: < \r\n
Aux: < +CREG: (0-2)\r\n\r\nOK\r\n
Aux: > AT+CSCS?\r
Aux: < \r\n+CSCS: "IRA"\r\n\r\nOK\r\n
Aux: > AT+CUSD=1\r
Aux: < \r\nOK\r\n
Aux: > AT+CAOC=2\r
Aux: < \r\nOK\r\n
Aux: > AT+CCWE=1\r
Aux: < \r\nOK\r\n
Aux: > AT+CPIN?\r
Aux: < \r\n+CPIN: READY\r\n\r\nOK\r\n
Aux: > AT+CRSM=178,28480,1,4,28\r
Aux: < \r\n+CRSM:
144,0,FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF\r\n\r\nOK\r\n
drivers/atmodem/sim.c:at_crsm_read_cb() crsm_read_cb: 90, 00, 28
Aux: > AT+CGREG=2\r
Aux: < \r\nOK\r\n
Aux: > AT+CGAUTO=0\r
Aux: < \r\nERROR\r\n
Aux: > AT+CGEREP=2,1\r
Aux: < \r\nOK\r\n
Aux: > AT+CREG=2\r
Aux: < \r\nOK\r\n
Aux: > AT+CPMS?\r
Aux: < \r\n+CPMS: "SM",0,25,"SM",0,25,"SM",0,25\r\n\r\nOK\r\n
Aux: > AT+CRSM=178,28480,2,4,28\r
Aux: < \r\n+CRSM:
144,0,FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF\r\n\r\nOK\r\n
drivers/atmodem/sim.c:at_crsm_read_cb() crsm_read_cb: 90, 00, 28
Aux: > AT#PSNT=1\r
Aux: < \r\nOK\r\n
Aux: > AT+CPSB=1\r
Aux: < \r\nERROR\r\n
Aux: > AT+CIND=?\r
Aux: < \r\n+CIND:
(("battchg",(0-5,99)),("signal",(0-7,99)),("service",(0,1)),("sounder",(0,1)),("messn
Aux: > AT+CRSM=192,28489\r
Aux: < \r\n+CRSM: 148,4\r\n\r\nOK\r\n
Aux: > AT+CMER=?\r
Aux: < \r\n+CMER: (0-3),(0),(0),(0,2),(0,1)\r\n\r\nOK\r\n
drivers/atmodem/network-registration.c:build_cmer_string()
Aux: > AT+CRSM=192,20256\r
Aux: < \r\n+CME ERROR: 4\r\n
Aux: > AT+CMER=3,0,0,2\r
Aux: < \r\nOK\r\n
Aux: < \r\n+CIEV: battchg,0\r\n\r\n+CIEV: signal,7\r\n\r\n+CIEV:
service,1\r\n\r\n+CIEV: sounder,0\r\nn
src/sim.c:ofono_sim_add_spn_watch() 0x9afc98
src/network.c:__ofono_netreg_add_status_watch() 0x9b9ff0
src/network.c:__ofono_netreg_add_status_watch() 0x9b9ff0
Aux: > AT+CRSM=192,28618\r
Aux: < \r\n+CRSM: 148,4\r\n\r\nOK\r\n
Unable to read waiting messages numbers from SIM
Aux: > AT+CREG?\r
Aux: < \r\n+CREG: 2,1,"00D4","0D45D96",2\r\n\r\nOK\r\n
src/network.c:ofono_netreg_status_notify() /telit_0 status 1 tech 2
src/gprs.c:netreg_status_changed() 1
Aux: > AT+CRSM=192,28617\r
Aux: < \r\n+CRSM: 148,4\r\n\r\nOK\r\n
Unable to read mailbox identifies from SIM
Aux: > AT+COPS=3,2\r
Aux: < \r\nOK\r\n
Aux: > AT+COPS?\r
Aux: < \r\n+COPS: 0,2,"24005",2\r\n\r\nOK\r\n
drivers/atmodem/network-registration.c:cops_numeric_cb() Cops numeric
got mcc: 240, mnc: 05
Aux: > AT+CIND?\r
Aux: < \r\n+CIND: 0,7,1,0,0,0,0,0,5\r\n\r\nOK\r\n
src/network.c:ofono_netreg_strength_notify() strength 100
Aux: > AT+CGATT=1\r
Aux: < \r\nOK\r\n
Aux: < \r\n+CGREG: 1,"00D4","0D45D96",2,"01"\r\n
src/gprs.c:gprs_attach_callback() /telit_0 error = 0
src/gprs.c:ofono_gprs_status_notify() /telit_0 status 1
Aux: > AT+CIND?\r
Aux: < \r\n+CIND: 0,7,1,0,0,0,0,0,5\r\n\r\nOK\r\n
Aux: > AT+CRSM=192,28433\r
Aux: < \r\n+CRSM: 148,4\r\n\r\nOK\r\n
src/message-waiting.c:mw_cphs_mwis_read_cb() No CPHS MWIS on SIM
Aux: > AT+COPS=3,0\r
Aux: < \r\nOK\r\n
Aux: > AT+COPS?\r
Aux: < \r\n+COPS: 0,0,"S 05",2\r\n\r\nOK\r\n
drivers/atmodem/network-registration.c:cops_cb() cops_cb: S 05, 240 05 2
src/network.c:current_operator_callback() 0x9b9ff0, (nil)
src/gprs.c:netreg_status_changed() 1
Aux: > AT+CGREG?\r
Aux: < \r\n
Aux: < +CGREG: 2,1,"00D4","0D45D96",2,"01"\r\n\r\nOK\r\n
src/gprs.c:registration_status_cb() /telit_0 error 0 status 1
src/gprs.c:ofono_gprs_status_notify() /telit_0 status 1
Aux: > AT+CRSM=192,28435\r
Aux: < \r\n+CRSM: 148,4\r\n\r\nOK\r\n
src/simfs.c:sim_fs_op_read_block() bufoff: 0, seekoff: 39, toread: 17
Aux: > AT+CRSM=192,28621\r
drivers/atmodem/gprs-context.c:at_gprs_activate_primary() cid 1
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
Aux: > AT+CRSM=192,28437\r
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