IWR6843AOPEVM: The problem of reading VitalSigns .cfg file by matlab 2021R2

Hsincheng Li

Part Number: IWR6843AOPEVM
Other Parts Discussed in Thread: MMWAVEICBOOST, IWR6843, UNIFLASH

My module is IWR6843 with mmwaveicboost

And then, I want to design a GUI program by matlab 2021R2.

I used "Uniflash" flash vital_signs_demo_68xx.bin to mmwaveicboost, the "..\68xx_vital_signs\gui\gui_exe" is able to run competely.

When I used matlab sent "alibDcRangeSig -1 0 0 0 0" to mss, the mss returned an error message.

The error message:

calibDcRangeSig -1 0 0 0 0

Error: Number of averaged chirps is not power of two

Error -1

How can I fix this problem??

The code by matlab 2021R2 below:

clc,close,clear;

threshold_breath=10;
threshold_heart=0.1;
plot_yaxis_max_breath=1.0;
plot_yaxis_max_heart=0.5;

user_com=serialport("COM3",115200);
data_com=serialport("COM4",921600);

flush(user_com);
flush(data_com);

cfg=[
    "sensorStop",...
    "flushCfg",...
    "dfeDataOutputMode 1",...
    "channelCfg 15 3 0",...
    "adcCfg 2 1",...
    "adcbufCfg -1 0 0 1 0",...
    "profileCfg 0 60.25 7 6 57 0 0 65 1 200 4000 0 0 40",...
    "chirpCfg 0 0 0 0 0 0 0 1",...
    "frameCfg 0 0 2 0 50 1 0",...
    "lowPower 0 1",...
    "guiMonitor 0 0 0 0 1",...
    "calibDcRangeSig -1 0 0 0 0",...
    "vitalSignsCfg 0.3 0.9 256 512 4 0.1 0.05 100000 300000",...
    "motionDetection 1 20 2.0 0",...
    "sensorStart",...
    ];

for index=1:15
    writeline(user_com,cfg(index));
    pause(0.5);
    disp(read(user_com,user_com.NumBytesAvailable,"string"));
end

clear user_com;
clear data_com;

The return message by matlab 2021R2 below:

sensorStop
Done

mmwDemo:/>
flushCfg
Done

mmwDemo:/>
dfeDataOutputMode 1
Done

mmwDemo:/>
channelCfg 15 3 0
Done

mmwDemo:/>
adcCfg 2 1
Done

mmwDemo:/>
adcbufCfg -1 0 0 1 0
Done

mmwDemo:/>
profileCfg 0 60.25 7 6 57 0 0 65 1 200 4000 0 0 40
Done

mmwDemo:/>
chirpCfg 0 0 0 0 0 0 0 1
Done

mmwDemo:/>
frameCfg 0 0 2 0 50 1 0
Done

mmwDemo:/>
lowPower 0 1
Done

mmwDemo:/>
guiMonitor 0 0 0 0 1
Done

mmwDemo:/>
calibDcRangeSig -1 0 0 0 0
Error: Number of averaged chirps is not power of two

Error -1

mmwDemo:/>
vitalSignsCfg 0.3 0.9 256 512 4 0.1 0.05 100000 300000
Done

mmwDemo:/>
motionDetection 1 20 2.0 0
Done

mmwDemo:/>
sensorStart
Debug: Init Calibration Status = 0xffe

Done

mmwDemo:/>

over 2 years ago

0 Angie Mitchell over 2 years ago

TI__Genius 10730 points

Hi,

I am looking into this and will be getting back to you shortly.

Thank you,

Angie

0 Angie Mitchell over 2 years ago in reply to Angie Mitchell

TI__Genius 10730 points

Can you please try adding an extra new line before the calibDcRangeSig command?

0 Hsincheng Li over 2 years ago in reply to Angie Mitchell

Prodigy 30 points

If I added a "null" command before the calibDcRangeSig command.

The new code below:

Neglate...
    "lowPower 0 1",...
    "guiMonitor 0 0 0 0 1",...
    "",...
    "calibDcRangeSig -1 0 0 0 0",...
    "vitalSignsCfg 0.3 0.9 256 512 4 0.1 0.05 100000 300000",...
    "motionDetection 1 20 2.0 0",...
    "sensorStart",...
    ];

for index=1:16
    writeline(user_com,cfg(index));
    pause(0.5);
    disp(read(user_com,user_com.NumBytesAvailable,"string"));
end

Neglate...

The return message below:

sensorStop
Done

mmwDemo:/>
flushCfg
Done

mmwDemo:/>
dfeDataOutputMode 1
Done

mmwDemo:/>
channelCfg 15 3 0
Done

mmwDemo:/>
adcCfg 2 1
Done

mmwDemo:/>
adcbufCfg -1 0 0 1 0
Done

mmwDemo:/>
profileCfg 0 60.25 7 6 57 0 0 65 1 200 4000 0 0 40
Done

mmwDemo:/>
chirpCfg 0 0 0 0 0 0 0 1
Done

mmwDemo:/>
frameCfg 0 0 2 0 50 1 0
Done

mmwDemo:/>
lowPower 0 1
Done

mmwDemo:/>
guiMonitor 0 0 0 0 1
Done

mmwDemo:/>
Error using Vital_Signs (line 34)
Expected input number 2, data, to be a scalar string or a 1-by-n char array.

=============================================

If I added a "space" command before the calibDcRangeSig command.

The new code below:

Neglate...
    "lowPower 0 1",...
    "guiMonitor 0 0 0 0 1",...
    " ",...
    "calibDcRangeSig -1 0 0 0 0",...
    "vitalSignsCfg 0.3 0.9 256 512 4 0.1 0.05 100000 300000",...
    "motionDetection 1 20 2.0 0",...
    "sensorStart",...
    ];

for index=1:16
    writeline(user_com,cfg(index));
    pause(0.5);
    disp(read(user_com,user_com.NumBytesAvailable,"string"));
end

Neglate...

The return message below:

sensorStop
Done

mmwDemo:/>
flushCfg
Done

mmwDemo:/>
dfeDataOutputMode 1
Done

mmwDemo:/>
channelCfg 15 3 0
Done

mmwDemo:/>
adcCfg 2 1
Done

mmwDemo:/>
adcbufCfg -1 0 0 1 0
Done

mmwDemo:/>
profileCfg 0 60.25 7 6 57 0 0 65 1 200 4000 0 0 40
Done

mmwDemo:/>
chirpCfg 0 0 0 0 0 0 0 1
Done

mmwDemo:/>
frameCfg 0 0 2 0 50 1 0
Done

mmwDemo:/>
lowPower 0 1
Done

mmwDemo:/>
guiMonitor 0 0 0 0 1
Done

mmwDemo:/>
 
mmwDemo:/>
calibDcRangeSig -1 0 0 0 0
Error: Number of averaged chirps is not power of two

Error -1

mmwDemo:/>
vitalSignsCfg 0.3 0.9 256 512 4 0.1 0.05 100000 300000
Done

mmwDemo:/>
motionDetection 1 20 2.0 0
Done

mmwDemo:/>
sensorStart
Debug: Init Calibration Status = 0xffe

Done

mmwDemo:/>

0 Angie Mitchell over 2 years ago in reply to Hsincheng Li

TI__Genius 10730 points

Hi,

Did you modify any of the other cfg commands?

Thank you,

Angie

0 Hsincheng Li over 2 years ago in reply to Angie Mitchell

Prodigy 30 points

It's the xwr1642_profile_VitalSigns_20fps_Front.cfg code below:

sensorStop
flushCfg
dfeDataOutputMode 1
channelCfg 15 3 0
adcCfg 2 1
adcbufCfg -1 0 0 1 0
profileCfg 0 60.25 7 6 57 0 0 65 1 200 4000 0 0 40
chirpCfg 0 0 0 0 0 0 0 1
frameCfg 0 0 2 0 50 1 0
lowPower 0 1
guiMonitor 0 0 0 0 1
calibDcRangeSig -1 0 0 0 0
vitalSignsCfg 0.3 0.9 256 512 4 0.1 0.05 100000 300000
motionDetection 1 20 2.0 0
sensorStart

And It's my matlab send message below:

cfg=[
    "sensorStop",...
    "flushCfg",...
    "dfeDataOutputMode 1",...
    "channelCfg 15 3 0",...
    "adcCfg 2 1",...
    "adcbufCfg -1 0 0 1 0",...
    "profileCfg 0 60.25 7 6 57 0 0 65 1 200 4000 0 0 40",...
    "chirpCfg 0 0 0 0 0 0 0 1",...
    "frameCfg 0 0 2 0 50 1 0",...
    "lowPower 0 1",...
    "guiMonitor 0 0 0 0 1",...
    "calibDcRangeSig -1 0 0 0 0",...
    "vitalSignsCfg 0.3 0.9 256 512 4 0.1 0.05 100000 300000",...
    "motionDetection 1 20 2.0 0",...
    "sensorStart",...
    ];

I just send the cfg command to mss step by step.

+1 Angie Mitchell over 2 years ago in reply to Hsincheng Li

TI__Genius 10730 points

Hi Hsincheng,

I am sorry this must be frustrating but your configuration settings seem to match what I use when I run this lab and I have not seen this problem. What version of the industrial toolbox are you using?

Thank you,

Angie

0 Hsincheng Li over 2 years ago in reply to Angie Mitchell

Prodigy 30 points

Industrial Toolbox (4.12.0)

I run the lab demo program (..\68xx_vital_signs\gui\gui_exe) is no problem.

But It returns an error message to PC, when I run the code by Matlab 2022R2.

Thank you.

0 Hsincheng Li over 2 years ago in reply to Angie Mitchell

Prodigy 30 points

Oh,so sorry...

I inadvertently click the "This resolved my issue" button...

0 Angie Mitchell over 2 years ago in reply to Hsincheng Li

TI__Genius 10730 points

Hi Hsincheng,

Ok, do you have any older versions of matlab you could try?

Thank you,

Angie

0 Hsincheng Li over 2 years ago in reply to Angie Mitchell

Prodigy 30 points

Oh no, I don't have any older versions of matlab...

0 Angie Mitchell over 2 years ago in reply to Hsincheng Li

TI__Genius 10730 points

Hi Hsincheng,

First, thank you for my patience, I wish I had a more immediate answer for you but I have not seen this error before myself. Does this error happen when you run the executable?

I am going to try to recreate this error myself and get back to you.

Angie

0 Hsincheng Li over 2 years ago in reply to Angie Mitchell

Prodigy 30 points

No, The executable can be able to run. (..\68xx_vital_signs\gui\gui_exe)

0 Santosh Krishnan over 2 years ago in reply to Hsincheng Li

TI__Mastermind 19520 points

Hello Hsincheng.

Angie is out of office and will be able to provide an answer next week.

Sincerely,

Santosh

0 Angie Mitchell over 2 years ago in reply to Santosh Krishnan

TI__Genius 10730 points

Hi Hsincheng,

I believe the error you are seeing is due to the new version of Matlab.

Thank you,

Angie

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IWR6843AOPEVM: The problem of reading VitalSigns .cfg file by matlab 2021R2