nanoDLP

stig

Member

Registered: 2018-05-16

Posts: 19

D7 and display issues

Hi All

I finally got the screen up and running on my Wanhao D7, with custom 1.3 firmware.

But i do have some issues with nanodlp.

I can show calibrations images, that works...

I can show single layer on the screen, that also work..

but when i choose to print, nothing it shown on the screen.

and after i stop the print, i cannot get anything to show on the screen again, until i reboot the PI

any ideas?

stig

Member

Registered: 2018-05-16

Posts: 19

Re: D7 and display issues

perhaps i should also mention when i do a print, everything else is working fine - its homes, and moves z upwards incrementally just fine...

Debug info attached nanodlp.debug.-376670976.zip

Last edited by stig (2018-06-01 23:10:02)

Shahin

Administrator

Registered: 2016-02-17

Posts: 3,541

Re: D7 and display issues

Please, get a debug file after printer failed to display layer.

shomar

Member

Registered: 2018-06-29

Posts: 3

Re: D7 and display issues

I have the same issue as well, did you try waiting for the printer after starting the print?

I tried that and the print also doesn't advance beyond layer 1 at all

I took a screenshot from the print log, I see a lot of M107 gcodes sent, the M106 S255 I have sent manually to check if the command is actually working

[Edit]

I have tried another print and collected the debug info file attached (I am not allowed to post the URL apparently so please let me know which file contents you would like me to paste here), basically nothing happens after moving to home position

Last edited by shomar (2018-06-29 10:02:16)

Shahin

Administrator

Registered: 2016-02-17

Posts: 3,541

Re: D7 and display issues

You need to use patched firmware.

shomar

Member

Registered: 2018-06-29

Posts: 3

Re: D7 and display issues

I have D7 1.5 and patched with the latest firmware which should support nanoDLP as per wanhao

I will try to flash it again with the 1.3 firmware for nanoDLP and update

[Update]

I have flashed the FW and now when I start the print the layers are shown on the screen, however, the platform doesn't move at all between layers, at the start of the print the platform homes, and then stops there, when I force stopped the print the platform moved up the Z axis

nanodlp.debug.1313179143-afterFWupgrade.zip

Last edited by shomar (2018-06-30 06:14:02)

Shahin

Administrator

Registered: 2016-02-17

Posts: 3,541

Re: D7 and display issues

Do not use firmware on wanhao website, it is not compatible with nanodlp. Use one on d7 wiki page.

shomar

Member

Registered: 2018-06-29

Posts: 3

Re: D7 and display issues

I did download the firmware linked on D7 wiki page already

Shahin

Administrator

Registered: 2016-02-17

Posts: 3,541

Re: D7 and display issues

Have you tried asking this question on d7 forum?  Lots of people are using nanodlp together with d7 there, and you could get help much faster.

stig

Member

Registered: 2018-05-16

Posts: 19

Re: D7 and display issues

Hi Again

It took a while - i had an unstable hardware platform - just got it fixed now - so now im able to reproduce the problem every time.

Here is a debug log, taken just after i pressed stop.

nanodlp.debug.1519194269.zip

And the screen shot of what it was doing - which looks ok to me.

Again, clicking "projector calibration/dynamic calibration" does show the pattern on the screen - it just when i start to print a plate - weather its a stl, or the calibration plate - the preview image is shown correctly, but nothing on the screen.

hope this log tells the story.

/Stig

stig

Member

Registered: 2018-05-16

Posts: 19

Re: D7 and display issues

Did a little further digging - but still not able to find the issue...

Calibration works fine, after reboot - but that also stops working after i do a print where nothing is shown on the screen.

Did tvservice -s and that reported the following:
state 0x12000a [HDMI DMT (87) RGB full unknown AR], 1440x2560 @ 50.00Hz, progressive

When starting the print i monitored the HDMI with tvservice -M
only this was reported:
[ I ] HDMI in HDMI mode

powering HDMI off and ON again, did not make any change (tvservice -o and tvservice -p)  still not able to get the calibration to work after i did a print.

The board in the D7 have a blue light to indicate stable HDMI signal, and it is showing a stady light, which means stable HDMI signal detected.

I also played around with setup/Display Communication Type  - no difference

Im sure its something simple, i just cannot figure it out.

Shahin

Administrator

Registered: 2016-02-17

Posts: 3,541

Re: D7 and display issues

Have you tried close button and press display calibration after it?
Maybe it is electronic circuit issue, I am not sure how it can happens as all of layer display logic are the same.

stig

Member

Registered: 2018-05-16

Posts: 19

Re: D7 and display issues

Yep - just tried.

Basicly - as soon as i try to print, then nothing will be shown on the screen and i cannot get anything to show afterwards

But as soon as i reboot, im able to get get the calibration to work again. 

So the "Print routine" must be doing something different than "open shutter" and "turn projector on"

I dont think its a HW issue anymore - as i now have two complet screen circuits (screen and controller boards) and both sets is producing the same result

Shahin

Administrator

Registered: 2016-02-17

Posts: 3,541

Re: D7 and display issues

It never gets corrupted during printing?

stig

Member

Registered: 2018-05-16

Posts: 19

Re: D7 and display issues

Im not able to print - every time i hit print, there is no image on the screen.. the UV lights does turn on and off, z moves as expected, but no image what so ever...

elshad66

Member

Registered: 2017-03-31

Posts: 118

Re: D7 and display issues

connect any monitor  or projector to pi
in the nano, in the SD card is changed into a config file, the resolution of your monitor  or projector
and check

Last edited by elshad66 (2018-07-18 11:13:14)

stig

Member

Registered: 2018-05-16

Posts: 19

Re: D7 and display issues

that was a good idea...

And confirmed - it does exactly the same,  am able to show calibration on the fullhd monitor, printing a plate shows nothing... and after that im not able to get the calibration to show again.

So exactly the same...

infact it looks like the "printing" does wird things with the HDMI signal - normally my monitors tells me what the resolution is - and it does that when i hit the calibration screen - it shows 1920x1080@60hz - but after the print job - my monitor just shows HDMI - but no resolution info is available..

and when i do a sudo reboot, the monitor comes back immediately and shows the shutdown processes... (i actually also saw that on the small monitor, but forgot to mention that earlier)

here is my /boot/config.txt
# For more options and information see
# http://rpf.io/configtxt
# Some settings may impact device functionality. See link above for details

# uncomment if you get no picture on HDMI for a default "safe" mode
#hdmi_safe=1

# uncomment this if your display has a black border of unused pixels visible
# and your display can output without overscan
#disable_overscan=1

# uncomment the following to adjust overscan. Use positive numbers if console
# goes off screen, and negative if there is too much border
#overscan_left=16
#overscan_right=16
#overscan_top=16
#overscan_bottom=16

# uncomment to force a console size. By default it will be display's size minus
# overscan.
#framebuffer_width=1280
#framebuffer_height=720

# uncomment if hdmi display is not detected and composite is being output
hdmi_force_hotplug=1

# uncomment to force a specific HDMI mode (this will force VGA)
#hdmi_group=1
#hdmi_mode=1

# uncomment to force a HDMI mode rather than DVI. This can make audio work in
# DMT (computer monitor) modes
hdmi_drive=2

# uncomment to increase signal to HDMI, if you have interference, blanking, or
# no display
#config_hdmi_boost=4

# uncomment for composite PAL
#sdtv_mode=2

#uncomment to overclock the arm. 700 MHz is the default.
#arm_freq=800

# Uncomment some or all of these to enable the optional hardware interfaces
dtparam=i2c_arm=on
#dtparam=i2s=on
#dtparam=spi=on

# Uncomment this to enable the lirc-rpi module
#dtoverlay=lirc-rpi

# Additional overlays and parameters are documented /boot/overlays/README

# Enable audio (loads snd_bcm2835)
#dtparam=audio=on

hdmi_ignore_edid=0xa5000080

hdmi_force_hotplug=1
disable_overscan=1
framebuffer_depth=24
gpu_mem=192
framebuffer_ignore_alpha=1
#hdmi_timings=1440 0 50 10 35 2560 0 4 2 2 0 0 0 50 0 198000000 0
hdmi_group=2
#hdmi_mode=87
hdmi_mode=82
hdmi_pixel_freq_limit=400000000
hvs_priority=0x32ff
#max_framebuffer_width=1440
#max_framebuffer_height=2560
#framebuffer_width=1440
#framebuffer_height=2560
config_hdmi_boost=4

Last edited by stig (2018-07-18 18:14:46)

elshad66

Member

Registered: 2017-03-31

Posts: 118

Re: D7 and display issues

Resin Settings
Override X/Y Resolution Micron
at the very bottom it is written?

Last edited by elshad66 (2018-07-18 18:17:49)

stig

Member

Registered: 2018-05-16

Posts: 19

Re: D7 and display issues

override X/Y resolution: 0.000000
X/Y size modifier: 0.000000
Z Model Size Modifier: 0.000000

Last edited by stig (2018-07-18 18:23:31)

elshad66

Member

Registered: 2017-03-31

Posts: 118

Re: D7 and display issues

override X/Y resolution     :here write the  you resolution

others change the scale
  leave 0
I do not remember exactly, I have a DLP projector
but it seems 47 microns for lcd

Last edited by elshad66 (2018-07-18 18:30:24)

stig

Member

Registered: 2018-05-16

Posts: 19

Re: D7 and display issues

ehhh, i dont know to - it will not let me write 1920/1080 - it seems it just wants a number?  so should i put in 1,7 (as in 1920 divided by 1080)

stig

Member

Registered: 2018-05-16

Posts: 19

Re: D7 and display issues

ok, let me just try a number there about...

elshad66

Member

Registered: 2017-03-31

Posts: 118

Re: D7 and display issues

write check, will work

stig

Member

Registered: 2018-05-16

Posts: 19

Re: D7 and display issues

in my general setup screen i have 47.250000 for X/Y resolution and for Y resolution

elshad66

Member

Registered: 2017-03-31

Posts: 118

Re: D7 and display issues

OK
it needs to be inscribed