Data Sheet

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3. Basic AT Commands
3.2.14. AT+RFAUTOTRACE—Sets RF Frequency Offset Trace
3.2.15. AT+SYSRAM—Checks the Remaining Space of RAM
3.2.16. AT+SYSADC—Checks the Value of ADC
Command
Query Command:
AT+RFAUTOTRACE?
Set Command:
AT+RFAUTOTRACE=<enable>
Response
+RFAUTOTRACE:<enable>
OK
OK
Parameter
<enable>:
‣
0: disables RF frequency offset trace
‣ 1: enables RF frequency offset trace
Notes
•
The RF frequency offset trace function is enabled by default.
• This configuration will be saved in the user parameter area in flash, and take effect after the chip
restarts.
Example
AT+RFAUTOTRACE=0
AT+RST
Query Command
AT+SYSRAM?
Response
+SYSRAM:<remaining󰐇RAM󰐇size>
OK
Parameter
<remaining󰐇RAM󰐇size>: remaining space of RAM, unit: byte.
Query Command
AT+SYSADC?
Response
+SYSADC:<ADC>
OK
Parameter
<ADC>: the value of ADC; unit: 1/1024V.
Espressif
! /5815
2017.05