Modifying device tree for IMX219 behind I2C mux

Yes, apt upgrade will update the DTB and kernel Image

Do you know how I can replace just the DTB after flashing? I tried copying /boot/tegra210-p3448-0002-p3449-0000-b00.dtb from the Nano, and then doing apt upgrade and then replacing it, but that didn’t seem to do anything.

Try to modify the/boot/extlinux/extlinux.conf to add FDT like below to apply your dtb.

FDT /boot/tegra210-p3448-0000-p3449-0000-b00-user-custom.dtb
1 Like

Thanks Shane I love you

1 Like

Ok last problem. Everything appears to be working, but nvgstcapture hangs when it is run and does not display any window.

$ nvgstcapture
Encoder null, cannot set bitrate!
Encoder Profile = High
Supported resolutions in case of ARGUS Camera
  (2) : 640x480
  (3) : 1280x720
  (4) : 1920x1080
  (5) : 2104x1560
  (6) : 2592x1944
  (7) : 2616x1472
  (8) : 3840x2160
  (9) : 3896x2192
  (10): 4208x3120
  (11): 5632x3168
  (12): 5632x4224

Runtime ARGUS Camera Commands:

  Help : 'h'
  Quit : 'q'
  Set Capture Mode:
      mo:<val>
          (1): image
          (2): video
  Get Capture Mode:
      gmo
  Set sensor orientation:
      so:<val>
          (0): none
          (1): Rotate counter-clockwise 90 degrees
          (2): Rotate 180 degrees
          (3): Rotate clockwise 90 degrees
  Get sensor orientation:
      gso
  Set sensor mode:
      smo:<val> e.g., smo:1
  Get sensor mode:
      gsmo
  Set Whitebalance Mode:
      wb:<val>
          (0): off
          (1): auto
          (2): incandescent
          (3): fluorescent
          (4): warm-fluorescent
          (5): daylight
          (6): cloudy-daylight
          (7): twilight
          (8): shade
          (9): manual
  Get Whitebalance Mode:
      gwb
  Set Saturation (0 to 2):
      st:<val> e.g., st:1.25
  Get Saturation:
      gst
  Set Exposure Compensation (-2 to 2):
      ec:<val> e.g., ec:-2
  Get Exposure Compensation:
      gec
  Set Auto Whitebalance Lock:
      awbl:<val> e.g., awbl:0
  Get Auto Whitebalance Lock:
      awbl
  Set Auto Exposure Lock:
      ael:<val> e.g., ael:0
  Get Auto Exposure Lock:
      gael
  Set TNR Mode:
      tnrm:<val> e.g., tnrm:1
          (0): OFF
          (1): FAST
          (2): HIGH QUALITY
  Get TNR Mode:
      gtnrm
  Set TNR Strength (-1 to 1):
      tnrs:<val> e.g., tnrs:0.5
  Get TNR Strength:
      gtnrs
  Set EE Mode:
      eem:<val> e.g., eem:1
          (0): OFF
          (1): FAST
          (2): HIGH QUALITY
  Get EE Mode:
      geem
  Set EE Strength (-1 to 1):
      ees:<val> e.g., ees:0.5
  Get EE Strength:
      gees
  Set Auto Exposure Anti-Banding (0 to 3):
      aeab:<val> e.g., aeab:2
          (0): OFF
          (1): MODE AUTO
          (2): MODE 50HZ
          (3): MODE 60HZ
  Get Auto Exposure Anti-Banding:
      gaeab
  Set Gain Range:
      gr:<val><space><val> e.g., gr:1 16
  Get Gain Range:
      ggr
  Set Exposure Time Range:
      etr:<val><space><val> e.g., etr:34000 35000
  Get Exposure Time Range:
      getr
  Set ISP Digital Gain Range:
      dgr:<val><space><val> e.g., dgr:2 152
  Get ISP Digital Gain Range:
      gdgr
  Capture: enter 'j' OR
           followed by a timer (e.g., jx5000, capture after 5 seconds) OR
           followed by multishot count (e.g., j:6, capture 6 images)
           timer/multihot values are optional, capture defaults to single shot with timer=0s
  Start Recording : enter '1'
  Stop Recording  : enter '0'
  Video snapshot  : enter '2' (While recording video)
  Get Preview Resolution:
      gpcr
  Get Image Capture Resolution:
      gicr
  Get Video Capture Resolution:
      gvcr


Runtime encoder configuration options:

  Set Encoding Bit-rate(in bytes):
      br:<val> e.g., br:4000000
  Get Encoding Bit-rate(in bytes):
      gbr
  Set Encoding Profile(only for H.264):
      ep:<val> e.g., ep:1
          (0): Baseline
          (1): Main
          (2): High
  Get Encoding Profile(only for H.264):
      gep
  Force IDR Frame on video Encoder(only for H.264):
      Enter 'f' 


nvbuf_utils: Could not get EGL display connection
bitrate = 4000000
Encoder Profile = High
Encoder control-rate = 1
Encoder EnableTwopassCBR = 0
Opening in BLOCKING MODE
Opening in BLOCKING MODE 
** Message: 14:44:00.659: <main:4670> iterating capture loop ....
NvMMLiteOpen : Block : BlockType = 4 
===== NVMEDIA: NVENC =====
NvMMLiteBlockCreate : Block : BlockType = 4 
GST_ARGUS: Creating output stream
CONSUMER: Waiting until producer is connected...
GST_ARGUS: Available Sensor modes :
GST_ARGUS: 3264 x 2464 FR = 21.000000 fps Duration = 47619048 ; Analog Gain range min 1.000000, max 10.625000; Exposure Range min 13000, max 683709000;

GST_ARGUS: 3264 x 1848 FR = 28.000001 fps Duration = 35714284 ; Analog Gain range min 1.000000, max 10.625000; Exposure Range min 13000, max 683709000;

GST_ARGUS: 1920 x 1080 FR = 29.999999 fps Duration = 33333334 ; Analog Gain range min 1.000000, max 10.625000; Exposure Range min 13000, max 683709000;

GST_ARGUS: 1640 x 1232 FR = 29.999999 fps Duration = 33333334 ; Analog Gain range min 1.000000, max 10.625000; Exposure Range min 13000, max 683709000;

GST_ARGUS: 1280 x 720 FR = 59.999999 fps Duration = 16666667 ; Analog Gain range min 1.000000, max 10.625000; Exposure Range min 13000, max 683709000;

GST_ARGUS: 1280 x 720 FR = 120.000005 fps Duration = 8333333 ; Analog Gain range min 1.000000, max 10.625000; Exposure Range min 13000, max 683709000;

GST_ARGUS: Running with following settings:
   Camera index = 0 
   Camera mode  = 5 
   Output Stream W = 1280 H = 720 
   seconds to Run    = 0 
   Frame Rate = 120.000005 
GST_ARGUS: Setup Complete, Starting captures for 0 seconds
GST_ARGUS: Starting repeat capture requests.
CONSUMER: Producer has connected; continuing.

It kinda just hangs on this for a while until I Ctrl+C out of it. Previously it would open a window and show the camera feed but it doesn’t seem to do that. Any way to debug it?

Nevermind, this one works!

gst-launch-1.0 nvarguscamerasrc ! 'video/x-raw(memory:NVMM), width=3280, height=2464, format=NV12, framerate=(fraction)21/1' ! nvvidconv ! xvimagesink

Did you run r32.5.1?
Looks like nvgstcapture-1.0 have problem for frame rate less than 30, Have a check below link

This topic was automatically closed 60 days after the last reply. New replies are no longer allowed.