This list of commands can be sent from a serial terminal program set for 9600 baud and the results will be displayed. Courtesy of the Google Groups site:
NanoVNA Console Commands:
=========================
help – prints most of the following commands (below) – some are not enabled but appear in the source code
exit – exits and then restarts console mode and prints command prompt
info – prints firmware info:
Kernel: 4.0.0
Compiler: GCC 5.4.1 20160919
Architecture: ARMv6-M
Core Variant: Cortex-M0
Port Info: Preemption through NMI
Platform: STM32F072xB Entry Level Medium Density devices
Board: NanoVNA
Build time: May 5 2019 - 08:54:38
echo - Usage: echo "message"
systime – outputs binary time from 1/1/1980: eg: 81225068
threads
reset - Performing reset
freq - frequency(Hz)}
offset - frequency offset(Hz)}
time – get the time in: timespec.year+1980, timespec.month, timespec.day, timespec.millisecond
dac - usage: dac {value(0-4095)}
saveconfig - saves current configuration - and prints "Config saved".
not sure what in total it saves - need to go through source code.
clearconfig - usage: clearconfig {protection key}
where key is predefined as “1234”
and wrong input gives: “Key unmatched” error.
Correct key gives: “Config and all cal data cleared”
data - usage: data [array]
dump - (if enabled) outputs dump buffer
gamma – Prints gamma[0]& gamma[1]
frequencies – prints a long list of all the sweep points from start to stop
port – Sets port of DSP tlv320aic3204
usage: port {0:TX 1:RX}
stat – outputs processor status:
average: -138 -137
rms: 3597 8
callback count: 9126700
awd: 27
gain – sets gain of DSP tlv320aic3204
usage: gain {lgain(0-95)} [rgain(0-95)]
power - usage: power {0-3}
sweep - usage: sweep {start(Hz)} [stop] [points]
if no inputs: then prints current setup eg:300000000 500000000 101
otherwise, can force new sweep settings using the following commands:
start
stop
center
span
cw
set – sets sweep points
start
stop
test – unknown how to use – appears to set freq span from 10MHz to 90MHz and involves one of the LEDs and touchscreen input
touchcal – produces calibration touch points in the upper left and lower right corners
outputs: "first touch upper left, then lower right...")
"done”
"touch cal params: A B C D (upper left and lower right x-y co-ords)
touchtest – test touch accuracy – touch, hold and drag pointer
pause – pause LCD display output
resume – resume LCD display output
cal - usage: cal [load|open|short|thru|isoln|done|reset|on|off|in]
save - save {id} where ‘id’ is from 0 to 4
recall - recall {id} where ‘id’ is from 0 to 4
trace – prints status of either 2 or 4 traces depending on F/W version used:
0 SWR CH0 1.000000000 0.000000000
1 LOGMAG CH1 1.000000000 7.000000000
2 SMITH CH0 1.000000000 0.000000000
3 PHASE CH1 1.000000000 4.000000000
marker – Usage: marker [n] [off|{index}]
edelay – electrical delay in picoseconds
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