AirPrime and HL7548 AT Commands Interface Guide Rev10 0

Table Of Contents
4116303 Rev 10.0 August 10, 2017 78
AT Commands Interface Guide
Mobile Equipment Control and Status
Commands
HL7518 and HL7548
at+kgpiocfg=9,1,0
+CME ERROR: 3
5.21. +KADC Command: Analog Digital Converter
HL7518 and HL7548
Test command
Syntax
AT+KADC=?
Response
+KADC: (list of supported <Meas id>s),(list of supported <Meas time>s)
OK
Read command
Syntax
AT+KADC=
<Meas id>,
<Meas time>
Response
+KADC: <Meas result>,<Meas id>,<Meas time>[,<Temperature>]
Parameters
<Meas id> Measurement ID
0 VBATT – “VBATT” voltage
1 VCOIN – “BAT_RTC” backup battery voltage
2 THERM – Connected to RT400 (the thermistor on board which is located close to
the 26MHz VCTCXO)
3 Reserved
4 Reserved
5 Reserved
6 Reserved
7 ADC1
<Meas time> Measurement time
1 During TX
2 Far from TX
3 No constraint
<Meas result> Measurement result is in µV
<Temperature> Temperature in degrees Celsius
Reference
Sierra Wireless
Proprietary
Notes
10 bits converter
VBATT does not support no constraint measurement time
This AT command does not require a SIM card
Available range for voltage input are as follows:
<Meas id>
Range (V)
VBATT
3.2 - 4.5
VCOIN
0 - 1.8
THERM
0 - 1.2
ADC1
0 - 1.2