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# Sierra Wireless E7565 AT commands
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Card is in QMI mode, for usage AT commands during connection is neccesary to switch it to MBIM mode. Initial AT port si `/dev/ttyUSB0` function can be verified by `AT` commnad whitch should return `OK`.
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## Setup
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We connect to modem using program `screen` (On Turris Omnia installed via `opkg update; opkg install screen;`):
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`screen /dev/ttyUSB0`
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After connecting to modem we proceed in a few steps:
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* unlock privileged command protected by password `AT!ENTERCND="A710"`
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* enable MBIM mode `AT!USBCOMP=1,1,100D`
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* reset with `AT!RESET`
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To exit `screen` (and disconnect from modem) press `Ctrl+a` and then `k`, confirm with `y`.
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To start GPS (and enable NMEA output) enter `echo '$GPS_START' > /dev/ttyUSB1`
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## Usage
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LTE info is available via `AT!GSTATUS?`. Sample result is
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```
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!GSTATUS:
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Current Time: 5300 Temperature: 29
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Reset Counter: 5 Mode: ONLINE
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System mode: LTE PS state: Attached
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LTE band: B1 LTE bw: 15 MHz
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LTE Rx chan: 473 LTE Tx chan: 18473
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LTE SSC1 state:NOT ASSIGNED
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LTE SSC2 state:NOT ASSIGNED
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LTE SSC3 state:NOT ASSIGNED
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LTE SSC4 state:NOT ASSIGNED
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EMM state: Registered Normal Service
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RRC state: RRC Idle
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IMS reg state: No Srv
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PCC RxM RSSI: -70 PCC RxM RSRP: -95
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PCC RxD RSSI: -71 PCC RxD RSRP: -96
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Tx Power: -- TAC: 203a (8250)
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RSRQ (dB): -5.8 Cell ID: 0c602170 (207626608)
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SINR (dB): 25.8
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OK
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```
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for GPS info use `AT!GPSLOC?`
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```
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Lat: 49 Deg 42 Min 47.74 Sec N (0x008D6818)
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Lon: 13 Deg 30 Min 44.27 Sec E (0x00266F5B)
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Time: 2018 10 01 0 19:43:46 (GPS)
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LocUncAngle: 103.0 deg LocUncA: 32 m LocUncP: 19 m HEPE: 37.215 m
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2D Fix
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Altitude: 464 m LocUncVe: 128.0 m
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Heading: 198.1 deg VelHoriz: 0.7 m/s VelVert: 0 m/s
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OK
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```
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When GPS is not ready, the result is:
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```
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Not Available
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OK
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``` |
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\ No newline at end of file |