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MMWCAS-RF-EVM: MMWCAS-RF-EVM, MMWCAS-DSP-EVM, LUA, Frame drop

Ambuj Agarwal
Intellectual 300 points
Part Number: MMWCAS-RF-EVM

Hi TI experts,

I am using LUA scripts to capture frames, but i have found an unusual frame drops when i am capturing large number of frames. 

I am attaching configure and capture LUA scripts for reference.

can you help and let me know,

1. is there any upper limit to number of frames can be captured without getting frame drop.

2. what factors affect the frames being dropped and how to control it.

This is CAPTURE.LUA

--[[
    A. FRAMING & CAPTURE
    1. Triggering Slave (3, 2, 1) sequentially in a hardware triggered mode.
    2. Triggering Master in a software triggered mode.

    B. TRANSFERRING FILES
    1. The data is stored in file(s) with max cap placed at 2 GB.
    2. The files can be retrieved from the SSD (/mnt/ssd folder) using WinSCP.

Note: Update lines 18 to 49 as needed before using this script.
--

Note: "capture_time"  is a timeout for this script alone to exit - it does not control the 
actual duration of capture. The actual capture duration depends on the configured frame time 
and number of frames.
--]]

capture_time                     =   2300000                             -- ms
inter_loop_time                  =   0                             -- ms
num_loops                        =   1

--[[
Note: Change the following three parameters as desired:
1. n_files_allocation: is the number of files to preallocate on the SSD.
   This improves capture reliability by not having frame drops while switching files.
   The tradeoff is that each file is a fixed 2047 MB even if a smaller number of frames are captured.
   Pre-allocate as many files as needed based on (size_per_frame * number_of_frames) to be captured.
2. data_packaging: select whether to use 16-bit ADC data as is, or drop 4 lsbits and save 4*12-bit numbers in a packed form
   This allows a higher frame rate to be achieved, at the expense of some post-processing to unpack the data later.
   (Matlab should still be able to unpack the data using the '*ubit12' argument to fread instead of 'uint16')
   The default is no-packing, for simplicity
3. capture_directory: is the filename under which captures are stored on the SSD
   and is also the directory to which files will be transferred back to the host
   The captures are copied to the PostProc folder within mmWave Studio

   Note: If this script is called multiple times without changing the directory name, then all 
         captured files will be in the same directory with filename suffixes incremented automatically. 
         It may be hard to know which captured files correspond to which run of the script.
   Note: It is strongly recommended to change this directory name between captures.
--]]

n_files_allocation              =   0
data_packaging                  =   0                       -- 0: 16-bit, 1: 12-bit
capture_directory               =   "Experiment_2"		--path
num_frames_to_capture           =   0                       -- 0: default case; Any positive value - number of frames to capture 

framing_type                    =   1                       -- 0: infinite, 1: finite
stop_frame_mode                 =   0                       -- 0: Frame boundary, 2: Sub-frame boundary, 
                                                            -- 3: Burst boundary, 4: HW/Sub-frame triggered

----------------------------------DATA CAPTURE-------------------------------------------
-- Function to start/stop frame
function Framing_Control(Device_ID, En1_Dis0)
    local status = 0         
        if (En1_Dis0 == 1) then 
            status = ar1.StartFrame_mult(dev_list[Device_ID]) --Start Trigger Frame
            if (status == 0) then
                WriteToLog("Device "..Device_ID.." : Start Frame Successful\n", "green")
            else
                WriteToLog("Device "..Device_ID.." : Start Frame Failed\n", "red")
                return -5
            end
        else
            status = ar1.StopFrame_mult(dev_list[Device_ID], stop_frame_mode) --Stop Trigger Frame
            if (status == 0) then
                WriteToLog("Device "..Device_ID.." : Stop Frame Successful\n", "green")
            else
                WriteToLog("Device "..Device_ID.." : Stop Frame Failed\n", "red")
                return -5
            end
        end
    
    return status
end


while (num_loops > 0)
do

WriteToLog("Loops Remaining : "..num_loops.."\n", "purple")

-- TDA ARM
WriteToLog("Starting TDA ARM...\n", "blue")
status = ar1.TDACaptureCard_StartRecord_mult(1, n_files_allocation, data_packaging, capture_directory, num_frames_to_capture)
if (status == 0) then
    WriteToLog("TDA ARM Successful\n", "green")
else
    WriteToLog("TDA ARM Failed\n", "red")
    return -5
end   
 
print(os.time(date))
print('Before RSTD Sleep 1000')

RSTD.Sleep(1000)

print(os.time(date))
print('After RSTD Sleep 1000')

-- Triggering the data capture
WriteToLog("Starting Frame Trigger sequence...\n", "blue")

print(os.time(date))
print('Before Framing trigger')

if (RadarDevice[4]==1)then
    Framing_Control(4,1)
end

if (RadarDevice[3]==1)then
    Framing_Control(3,1)
end

if (RadarDevice[2]==1)then
    Framing_Control(2,1)
end

Framing_Control(1,1)

print(os.time(date))
print('After Framing trigger')

print(os.time(date))
print('Before RSTD.Sleep(capture_time)')

WriteToLog("Capturing AWR device data to the TDA SSD...\n", "blue")
RSTD.Sleep(capture_time)

print(os.time(date))
print('After RSTD.Sleep(capture_time)')

if (framing_type == 0) then
    
    -- Stop capturing
    WriteToLog("Starting Frame Stop sequence...\n", "blue")
    if (RadarDevice[4]==1)then
        Framing_Control(4,0)
    end

    if (RadarDevice[3]==1)then
        Framing_Control(3,0)
    end

    if (RadarDevice[2]==1)then
        Framing_Control(2,0)
    end
    
    Framing_Control(1,0)
end

WriteToLog("Capture sequence completed...\n", "blue")

print(os.time(date))
print('After Capture sequence completed')
    
num_loops = num_loops - 1
RSTD.Sleep(inter_loop_time)

end

-- Enable the below if required
WriteToLog("Starting Transfer files using WinSCP..\n", "blue")
print(os.time(date))
print('After Starting Transfer files using WinSCP')
status = ar1.TransferFilesUsingWinSCP_mult(1)
if(status == 0) then
    WriteToLog("Transferred files! COMPLETE!\n", "green")
else
    WriteToLog("Transferring files FAILED!\n", "red")
    return -5
end
print(os.time(date))
print('After Completing Transfer files using WinSCP')

This is CONFIGURE.LUA

--[[
Sequence being followed

A. CONFIGURATION
1. Connecting to TDA
1. Configuring Master from SOP till Channel Config
2. Configuring Slave (i) sequentially from SOP till SPI Connect. i = 1, 2, 3
3. Configuring Slaves together from F/W download till Channel Config
4. Configuring all devices together from LDO Bypass till Frame Config

NOTE:
Update the following in the script accordingly before running
1. metaImage F/W path on line 32
2. TDA Host Board IP Address on line 39
--]]
    
----------------------------------------User Constants--------------------------------------------
       
dev_list          =    {1, 2, 4, 8}       -- Device map
RadarDevice       =    {1, 1, 1, 1}       -- {dev1, dev2, dev3, dev4}, 1: Enable, 0: Disable
cascade_mode_list =    {1, 2, 2, 2}       -- 0: Single chip, 1: Master, 2: Slave

-- F/W Download Path

-- Uncomment the next line if you wish to pop-up a dialog box to select the firmware image file
-- Otherwise, hardcode the path to the firmware metaimage below
-- By default, the firmware filename is: xwr22xx_metaImage.bin

-- metaImagePath  =   RSTD.BrowseForFile(RSTD.GetSettingsPath(), "bin", "Browse to .bin file")
-- For 2243 ES1.1 devices
metaImagePath            =   "C:\\ti\\mmwave_dfp_02_02_04_00\\firmware\\xwr22xx_metaImage.bin"
-- For 2243 ES1.0 devices
-- metaImagePath            =   "C:\\ti\\mmwave_dfp_02_02_04_00\\firmware\\xwr22xx_metaImage.bin"

-- IP Address for the TDA2 Host Board
-- Change this accordingly for your setup

TDA_IPAddress     =   "192.168.33.180"

-- Device map of all the devices to be enabled by TDA
-- 1 - master ; 2- slave1 ; 4 - slave2 ; 8 - slave3

deviceMapOverall  =   RadarDevice[1] + (RadarDevice[2]*2) + (RadarDevice[3]*4) + (RadarDevice[4]*8)
deviceMapSlaves   =   (RadarDevice[2]*2) + (RadarDevice[3]*4) + (RadarDevice[4]*8)

-- Enable/Disable Test Source
-- This is useful during bringup

test_source_enable  =   0      -- 0: Disable, 1: Enable
    
------------------------------------------- Sensor Configuration ------------------------------------------------
--[[
The sensor configuration consists of 3 sections:
1) Profile Configuration (common to all 4 AWR devices)
2) Chirp Configuration (unique for each AWR device - mainly because TXs to use are 
                        different for each chirp)
3) Frame Configuration (common to all 4 AWR devices, except for the trigger mode for the master)
Change the values below as needed. --]]

-- Profile configuration
local profile_indx              =   0
local start_freq                =   77     -- GHz
local slope                     =   70.295     -- MHz/us
local idle_time                 =   7      -- us
local adc_start_time            =   4.66      -- us
local adc_samples               =   256    -- Number of samples per chirp
local sample_freq               =   5000   -- ksps
local ramp_end_time             =   56.9     -- us
local rx_gain                   =   30     -- dB
local tx0OutPowerBackoffCode    =   0
local tx1OutPowerBackoffCode    =   0
local tx2OutPowerBackoffCode    =   0
local tx0PhaseShifter           =   0
local tx1PhaseShifter           =   0
local tx2PhaseShifter           =   0
local txStartTimeUSec           =   0
local hpfCornerFreq1            =   0      -- 0: 175KHz, 1: 235KHz, 2: 350KHz, 3: 700KHz
local hpfCornerFreq2            =   0      -- 0: 350KHz, 1: 700KHz, 2: 1.4MHz, 3: 2.8MHz

-- Frame configuration    
local start_chirp_tx            =   0
local end_chirp_tx              =   11
local nchirp_loops              =   1     -- Number of chirps per frame
local nframes_master            =   23000     -- Number of Frames for Master
local nframes_slave             =   23000    -- Number of Frames for Slaves
local Inter_Frame_Interval      =   200    -- ms
local trigger_delay             =   0      -- us
local trig_list                 =   {1,2,2,2} -- 1: Software trigger, 2: Hardware trigger    

--[[
Function to configure the chirps specific to a device
12 chirps are configured below, individually for each AWR device

|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|
|       | Dev 1 | Dev 1 | Dev 1 | Dev 2 | Dev 2 | Dev 2 | Dev 3 | Dev 3 | Dev 3 | Dev 4 | Dev 4 | Dev 4 |
| Chirp |  TX0  |  TX1  |  TX2  |  TX 0 |  TX1  |  TX2  |  TX0  |  TX1  |  TX2  |  TX0  |  TX1  |  TX2  |
|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|
|     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     1 |
|     1 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     1 |     0 |
|     2 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     1 |     0 |     0 |
|     3 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     1 |     0 |     0 |     0 |
|     4 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     1 |     0 |     0 |     0 |     0 |
|     5 |     0 |     0 |     0 |     0 |     0 |     0 |     1 |     0 |     0 |     0 |     0 |     0 |
|     6 |     0 |     0 |     0 |     0 |     0 |     1 |     0 |     0 |     0 |     0 |     0 |     0 |
|     7 |     0 |     0 |     0 |     0 |     1 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |
|     8 |     0 |     0 |     0 |     1 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |
|     9 |     0 |     0 |     1 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |
|    10 |     0 |     1 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |
|    11 |     1 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |     0 |
|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|
--]] 
-- Note: The syntax for this API is:
-- ar1.ChirpConfig_mult(RadarDeviceId, chirpStartIdx, chirpEndIdx, profileId, startFreqVar, 
--                      freqSlopeVar, idleTimeVar, adcStartTimeVar, tx0Enable, tx1Enable, tx2Enable)

function Configure_Chirps(i) 
    
    if (i == 1) then
            
            -- Chirp 0
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 0 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 0 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 1
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 1, 1, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 1 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 1 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 2
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 2, 2, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 2 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 2 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 3
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 3, 3, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 3 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 3 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 4
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 4, 4, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 4 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 4 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 5
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 5, 5, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 5 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 5 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 6
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 6, 6, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 6 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 6 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 7
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 7, 7, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 7 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 7 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 8
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 8, 8, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 8 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 8 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 9
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 9, 9, 0, 0, 0, 0, 0, 0, 0, 1)) then
                WriteToLog("Device "..i.." : Chirp 9 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 9 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 10
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 10, 10, 0, 0, 0, 0, 0, 0, 1, 0)) then
                WriteToLog("Device "..i.." : Chirp 10 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 10 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 11
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 11, 11, 0, 0, 0, 0, 0, 1, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 11 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 11 Configuration failed\n", "red")
                return -4
            end
        
    elseif (i == 2) then
    
            -- Chirp 0
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 0 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 0 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 1
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 1, 1, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 1 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 1 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 2
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 2, 2, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 2 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 2 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 3
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 3, 3, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 3 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 3 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 4
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 4, 4, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 4 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 4 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 5
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 5, 5, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 5 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 5 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 6
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 6, 6, 0, 0, 0, 0, 0, 0, 0, 1)) then
                WriteToLog("Device "..i.." : Chirp 6 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 6 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 7
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 7, 7, 0, 0, 0, 0, 0, 0, 1, 0)) then
                WriteToLog("Device "..i.." : Chirp 7 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 7 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 8
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 8, 8, 0, 0, 0, 0, 0, 1, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 8 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 8 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 9
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 9, 9, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 9 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 9 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 10
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 10, 10, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 10 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 10 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 11
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 11, 11, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 11 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 11 Configuration failed\n", "red")
                return -4
            end
            
    elseif (i == 3) then
    
            -- Chirp 0
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 0 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 0 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 1
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 1, 1, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 1 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 1 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 2
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 2, 2, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 2 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 2 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 3
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 3, 3, 0, 0, 0, 0, 0, 0, 0, 1)) then
                WriteToLog("Device "..i.." : Chirp 3 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 3 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 4
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 4, 4, 0, 0, 0, 0, 0, 0, 1, 0)) then
                WriteToLog("Device "..i.." : Chirp 4 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 4 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 5
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 5, 5, 0, 0, 0, 0, 0, 1, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 5 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 5 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 6
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 6, 6, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 6 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 6 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 7
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 7, 7, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 7 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 7 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 8
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 8, 8, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 8 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 8 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 9
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 9, 9, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 9 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 9 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 10
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 10, 10, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 10 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 10 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 11
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 11, 11, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 11 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 11 Configuration failed\n", "red")
                return -4
            end
            
    elseif (i == 4) then
    
            -- Chirp 0
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 0, 0, 0, 0, 0, 0, 0, 0, 0, 1)) then
                WriteToLog("Device "..i.." : Chirp 0 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 0 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 1
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 1, 1, 0, 0, 0, 0, 0, 0, 1, 0)) then
                WriteToLog("Device "..i.." : Chirp 1 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 1 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 2
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 2, 2, 0, 0, 0, 0, 0, 1, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 2 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 2 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 3
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 3, 3, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 3 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 3 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 4
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 4, 4, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 4 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 4 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 5
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 5, 5, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 5 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 5 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 6
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 6, 6, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 6 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 6 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 7
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 7, 7, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 7 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 7 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 8
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 8, 8, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 8 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 8 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 9
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 9, 9, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 9 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 9 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 10
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 10, 10, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 10 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 10 Configuration failed\n", "red")
                return -4
            end
            
            -- Chirp 11
            if (0 == ar1.ChirpConfig_mult(dev_list[i], 11, 11, 0, 0, 0, 0, 0, 0, 0, 0)) then
                WriteToLog("Device "..i.." : Chirp 11 Configuration successful\n", "green")
            else
                WriteToLog("Device "..i.." : Chirp 11 Configuration failed\n", "red")
                return -4
            end
        
    end

end
 
------------------------------ API Configuration ------------------------------------------------
    
-- 1. Connection to TDA. 2. Selecting Cascade/Single Chip.  3. Selecting 2-chip/4-chip

WriteToLog("Setting up Studio for Cascade started..\n", "blue")

if(0 == ar1.ConnectTDA(TDA_IPAddress, 5001, deviceMapOverall)) then
    WriteToLog("ConnectTDA Successful\n", "green")
else
    WriteToLog("ConnectTDA Failed\n", "red")
    return -1
end

if(0 == ar1.selectCascadeMode(1)) then
    WriteToLog("selectCascadeMode Successful\n", "green")
else
    WriteToLog("selectCascadeMode Failed\n", "red")
    return -1
end

WriteToLog("Setting up Studio for Cascade ended..\n", "blue")
         
--Master Initialization

-- SOP Mode Configuration
if (0 == ar1.SOPControl_mult(1, 4)) then
    WriteToLog("Master : SOP Reset Successful\n", "green")
else
    WriteToLog("Master : SOP Reset Failed\n", "red")
    return -1
end

-- SPI Connect
if (0 == ar1.PowerOn_mult(1, 0, 1000, 0, 0)) then
    WriteToLog("Master : SPI Connection Successful\n", "green")
else
    WriteToLog("Master : SPI Connection Failed\n", "red")
    return -1
end

-- Firmware Download. (SOP 4 - MetaImage)
if (0 == ar1.DownloadBssFwOvSPI_mult(1, metaImagePath)) then
    WriteToLog("Master : FW Download Successful\n", "green")
else
    WriteToLog("Master : FW Download Failed\n", "red")
    return -1
end

-- RF Power Up
if (0 == ar1.RfEnable_mult(1)) then
    WriteToLog("Master : RF Power Up Successful\n", "green")
else
    WriteToLog("Master : RF Power Up Failed\n", "red")
    return -1
end            
         
-- Channel & ADC Configuration
if (0 == ar1.ChanNAdcConfig_mult(1,1,1,1,1,1,1,1,2,1,0,1)) then
    WriteToLog("Master : Channel & ADC Configuration Successful\n", "green")
else
    WriteToLog("Master : Channel & ADC Configuration Failed\n", "red")
    return -2
end
    
-- Slaves Initialization
   
for i=2,table.getn(RadarDevice) do 
    local status    =    0                
    if ((RadarDevice[1]==1) and (RadarDevice[i]==1)) then
      
        -- SOP Mode Configuration
        if (0 == ar1.SOPControl_mult(dev_list[i], 4)) then
            WriteToLog("Device "..i.." : SOP Reset Successful\n", "green")
        else
            WriteToLog("Device "..i.." : SOP Reset Failed\n", "red")
            return -1
        end
                
        -- SPI Connect    
        if (0 == ar1.AddDevice(dev_list[i])) then
            WriteToLog("Device "..i.." : SPI Connection Successful\n", "green")
        else
            WriteToLog("Device "..i.." : SPI Connection Failed\n", "red")
            return -1
        end
           
    end
end  
    
-- Firmware Download. (SOP 4 - MetaImage)
if (0 == ar1.DownloadBssFwOvSPI_mult(deviceMapSlaves, metaImagePath)) then
    WriteToLog("Slaves : FW Download Successful\n", "green")
else
    WriteToLog("Slaves : FW Download Failed\n", "red")
    return -1
end
         
-- RF Power Up
if (0 == ar1.RfEnable_mult(deviceMapSlaves)) then
    WriteToLog("Slaves : RF Power Up Successful\n", "green")
else
    WriteToLog("Slaves : RF Power Up Failed\n", "red")
    return -1
end    

-- Channel & ADC Configuration
if (0 == ar1.ChanNAdcConfig_mult(deviceMapSlaves,1,1,1,1,1,1,1,2,1,0,2)) then
    WriteToLog("Slaves : Channel & ADC Configuration Successful\n", "green")
else
    WriteToLog("Slaves : Channel & ADC Configuration Failed\n", "red")
    return -2
end
            
-- All devices together        
          
-- Including this depends on the type of board being used.
-- LDO configuration
if (0 == ar1.RfLdoBypassConfig_mult(deviceMapOverall, 3)) then
    WriteToLog("LDO Bypass Successful\n", "green")
else
    WriteToLog("LDO Bypass failed\n", "red")
    return -2
end

-- Low Power Mode Configuration
if (0 == ar1.LPModConfig_mult(deviceMapOverall,0, 0)) then
    WriteToLog("Low Power Mode Configuration Successful\n", "green")
else
    WriteToLog("Low Power Mode Configuration failed\n", "red")
    return -2
end

-- Miscellaneous Control Configuration
if (0 == ar1.SetMiscConfig_mult(deviceMapOverall, 1, 0, 0, 0)) then
    WriteToLog("Misc Control Configuration Successful\n", "green")
else
    WriteToLog("Misc Control Configuration failed\n", "red")
    return -2
end

-- Edit this API to enable/disable the boot time calibration. Enabled by default.
-- RF Init Calibration Configuration
if (0 == ar1.RfInitCalibConfig_mult(deviceMapOverall, 1, 1, 1, 1, 1, 1, 1, 65537)) then
    WriteToLog("RF Init Calibration Successful\n", "green")
else
    WriteToLog("RF Init Calibration failed\n", "red")
    return -2
end
         
-- RF Init
if (0 == ar1.RfInit_mult(deviceMapOverall)) then
    WriteToLog("RF Init Successful\n", "green")
else
    WriteToLog("RF Init failed\n", "red")
    return -2
end

---------------------------Data Configuration----------------------------------
        
-- Data path Configuration
if (0 == ar1.DataPathConfig_mult(deviceMapOverall, 0, 1, 0)) then
    WriteToLog("Data Path Configuration Successful\n", "green")
else
    WriteToLog("Data Path Configuration failed\n", "red")
    return -3
end

-- Clock Configuration
if (0 == ar1.LvdsClkConfig_mult(deviceMapOverall, 1, 1)) then
    WriteToLog("Clock Configuration Successful\n", "green")
else
    WriteToLog("Clock Configuration failed\n", "red")
    return -3
end

-- CSI2 Configuration
if (0 == ar1.CSI2LaneConfig_mult(deviceMapOverall, 1, 0, 2, 0, 4, 0, 5, 0, 3, 0, 0)) then
    WriteToLog("CSI2 Configuration Successful\n", "green")
else
    WriteToLog("CSI2 Configuration failed\n", "red")
    return -3
end

----------------------------Test Source Configuration------------------------------
-- This is useful for initial bringup.
-- Each device is configured with a test object at a different location.
    
if(test_source_enable == 1) then
    
    if(RadarDevice[1] == 1) then
        -- Object at 5 m with x = 4m and y = 3m
        if (0 == ar1.SetTestSource_mult(1, 4, 3, 0, 0, 0, 0, -327, 0, -327, 327, 327, 327, -2.5, 327, 327, 0, 
                 0, 0, 0, -327, 0, -327, 327, 327, 327, -95, 0, 0, 0.5, 0, 1, 0, 1.5, 0, 0, 0, 0, 0, 0, 0, 0)) then
            WriteToLog("Device 1 : Test Source Configuration Successful\n", "green")
        else
            WriteToLog("Device 1 : Test Source Configuration failed\n", "red")
            return -3
        end
    end
    
    if(RadarDevice[2] == 1) then        
        -- Object at 5 m with x = 3m and y = 4m
        if (0 == ar1.SetTestSource_mult(2, 3, 4, 0, 0, 0, 0, -327, 0, -327, 327, 327, 327, -2.5, 327, 327, 0, 
                 0, 0, 0, -327, 0, -327, 327, 327, 327, -95, 0, 0, 0.5, 0, 1, 0, 1.5, 0, 0, 0, 0, 0, 0, 0, 0)) then
            WriteToLog("Device 2 : Test Source Configuration Successful\n", "green")
        else
            WriteToLog("Device 2 : Test Source Configuration failed\n", "red")
            return -3
        end
    end
    
    if(RadarDevice[3] == 1) then         
        -- Object at 13 m with x = 12m and y = 5m
        if (0 == ar1.SetTestSource_mult(4, 12, 5, 0, 0, 0, 0, -327, 0, -327, 327, 327, 327, -2.5, 327, 327, 0, 
                 0, 0, 0, -327, 0, -327, 327, 327, 327, -95, 0, 0, 0.5, 0, 1, 0, 1.5, 0, 0, 0, 0, 0, 0, 0, 0)) then
            WriteToLog("Device 3 : Test Source Configuration Successful\n", "green")
        else
            WriteToLog("Device 3 : Test Source Configuration failed\n", "red")
            return -3
        end
    end
    
    if(RadarDevice[4] == 1) then        
        -- Object at 13 m with x = 5m and y = 12m
        if (0 == ar1.SetTestSource_mult(8, 5, 12, 0, 0, 0, 0, -327, 0, -327, 327, 327, 327, -2.5, 327, 327, 0, 
                 0, 0, 0, -327, 0, -327, 327, 327, 327, -95, 0, 0, 0.5, 0, 1, 0, 1.5, 0, 0, 0, 0, 0, 0, 0, 0)) then
            WriteToLog("Device 4 : Test Source Configuration Successful\n", "green")
        else
            WriteToLog("Device 4 : Test Source Configuration failed\n", "red")
            return -3
        end
    end
       
end           

---------------------------Sensor Configuration-------------------------

-- Profile Configuration
if (0 == ar1.ProfileConfig_mult(deviceMapOverall, 0, start_freq, idle_time, adc_start_time, ramp_end_time, 
                                0, 0, 0, 0, 0, 0, slope, 0, adc_samples, sample_freq, 0, 0, rx_gain)) then
    WriteToLog("Profile Configuration successful\n", "green")
else
    WriteToLog("Profile Configuration failed\n", "red")
    return -4
end

-- Chirp Configuration 
for i=1,table.getn(RadarDevice) do    
    if ((RadarDevice[1]==1) and (RadarDevice[i]==1)) then
        Configure_Chirps(i)                
    end
end

-- Enabling/ Disabling Test Source
if(test_source_enable == 1) then
    ar1.EnableTestSource_mult(deviceMapOverall, 1)
    WriteToLog("Enabling Test Source Configuration successful\n", "green")
end

-- Frame Configuration
-- Master
if (0 == ar1.FrameConfig_mult(1,start_chirp_tx,end_chirp_tx,nframes_master, nchirp_loops, 
                              Inter_Frame_Interval, 0, 1)) then
    WriteToLog("Master : Frame Configuration successful\n", "green")
else
    WriteToLog("Master : Frame Configuration failed\n", "red")
end
-- Slaves 
if (0 == ar1.FrameConfig_mult(deviceMapSlaves,start_chirp_tx,end_chirp_tx,nframes_slave, nchirp_loops, 
                              Inter_Frame_Interval, 0, 2)) then
    WriteToLog("Slaves : Frame Configuration successful\n", "green")
else
    WriteToLog("Slaves : Frame Configuration failed\n", "red")
end

I have tested till 24000 frames beyond that number of frames drop is increase from 2 to 700-800.

Can anyone point where i am going wrong.

TIA,

Regards,

Ambuj

  • 0
    TI__Mastermind 20605 points

    Hi Ambuj,

    We have not seen behavior like this. Can you confirm the following:

    1. Is there sufficient space on the SSD device?
    2. Are the frames towards the end of the capture (last few frames) or randomly in between?
    3. Have you set any limiters such as capture time, number of files or file size?

    Regards,

    Kaushik

  • 0 in reply to Kaushik Gowda
    Intellectual 300 points

    Hi Kaushik,

    1. Regarding space on SSD, it has sufficient space available.

    2. Yes, the frames are getting dropped in between also. For lesser frames the drop is at the end which is 1 or 2 frames but while capturing (say 35000 frames) frames are getting dropped randomly in between although the index are not missing this frame drop we verified with UNIX time stamp of generated frames.

    3. we have set capture time as (No. of frames * inter frame interval), number of files is set to "0" (as per manual) and, we haven't changed the file size.

  • 0 in reply to Ambuj Agarwal
    TI__Mastermind 20605 points

    Hi Ambuj,

    Thank you for your input. This indeed is strange behavior that is not desired.

    • Can you let me know how exactly you are monitoring the dropped frames?
    • Can you also confirm the ethernet data speeds enabled on your host processor running the Studio application?
    • Can you confirm size of capture vs time of capture on the SSD before transferring it to the PC?
    • Can you try with large and limited number of frames instead of '0' and try to see if the frames are dropped in this case as well?

    Regards,

    Kaushik

  • 0 in reply to Kaushik Gowda
    Intellectual 300 points

    Hi Kaushik, 

    For repacking MIMO frames, I am referring this github.com/.../mmwave-repack

    1. For monitoring the dropped frames, I am using UNIX time stamps obtained while repacking MIMO frames, this time stamp is given along with Index of each frame. For obtained 'timestamps.txt' taking difference of successive timestamps we get the difference and for instances of frame drop this difference is higher than the inter frame interval set during data capture using LUA.
    Also, this frame drop is not constant it occurs either in start/stop or between the frames also. 

    for your reference i am attaching one such  'timestamps.txt':

    708506854.0
709006854.0
709506892.0
710006938.0
710506984.0
711007022.0
711507053.0
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    Here, interframe interval was set to 500(msec), but for few instances this difference exceeds and results in frame drop.

    2. Ethernet data speed enabled on PC is 1000Mbps(both transmit and receive).

    3. I tested with 'No. of frames to capture' equal to a non zero number, i.e. same as frames transmitted, Still there was a non uniform frame drop.

    4. Can you guide how to check size of capture vs time of capture on the SSD before transferring it to the PC, I was not able to find this.

    Thanks & regards,

     Ambuj

  • 0 in reply to Ambuj Agarwal
    TI__Mastermind 32725 points

    Hi,

    We will check this and get back to you in a couple of days.

    Thanks,

    Pradipta.