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Python class for the Ender 3 V2 LCD

License: GNU General Public License v3.0

Python 100.00%

dwin_t5uic1_lcd's Introduction

DWIN_T5UIC1_LCD

Python class for the Ender 3 V2 LCD runing klipper3d with OctoPrint / Moonraker

https://www.klipper3d.org

https://octoprint.org/

https://github.com/arksine/moonraker

Setup:

Disable Linux serial console

By default, the primary UART is assigned to the Linux console. If you wish to use the primary UART for other purposes, you must reconfigure Raspberry Pi OS. This can be done by using raspi-config:

Start raspi-config: sudo raspi-config.
Select option 3 - Interface Options.
Select option P6 - Serial Port.
At the prompt Would you like a login shell to be accessible over serial? answer 'No'
At the prompt Would you like the serial port hardware to be enabled? answer 'Yes'
Exit raspi-config and reboot the Pi for changes to take effect.

For full instructions on how to use Device Tree overlays see this page.

In brief, add a line to the /boot/config.txt file to apply a Device Tree overlay.

dtoverlay=disable-bt

Enabling Klipper's API socket

By default, the Klipper's API socket is not enabled. In order to use the API server, the file /etc/default/klipper need to be updated form

KLIPPY_ARGS="/home/pi/klipper/klippy/klippy.py /home/pi/printer.cfg -l /tmp/klippy.log"

To:

KLIPPY_ARGS="/home/pi/klipper/klippy/klippy.py /home/pi/printer.cfg -a /tmp/klippy_uds -l /tmp/klippy.log"

Library requirements

Thanks to wolfstlkr

sudo apt-get install python3-pip python3-gpiozero python3-serial git

sudo pip3 install multitimer

git clone https://github.com/odwdinc/DWIN_T5UIC1_LCD.git

Wire the display

Display <-> Raspberry Pi GPIO BCM
Rx = GPIO14 (Tx)
Tx = GPIO15 (Rx)
Ent = GPIO13
A = GPIO19
B = GPIO26
Vcc = 2 (5v)
Gnd = 6 (GND)

Run The Code

Enter the downloaded DWIN_T5UIC1_LCD folder. Make new file run.py and add

#!/usr/bin/env python3
from dwinlcd import DWIN_LCD

encoder_Pins = (26, 19)
button_Pin = 13
LCD_COM_Port = '/dev/ttyAMA0'
API_Key = 'XXXXXX'

DWINLCD = DWIN_LCD(
	LCD_COM_Port,
	encoder_Pins,
	button_Pin,
	API_Key
)

Run with python3 ./run.py

Run at boot:

Note: Delay of 30s after boot to allow webservices to settal.

path of `run.py` is expected to be `/home/pi/DWIN_T5UIC1_LCD/run.py`

sudo chmod +x run.py

sudo chmod +x simpleLCD.service

sudo mv simpleLCD.service /lib/systemd/system/simpleLCD.service

sudo chmod 644 /lib/systemd/system/simpleLCD.service

sudo systemctl daemon-reload

sudo systemctl enable simpleLCD.service

sudo reboot

Status:

Working:

Print Menu:

* List / Print jobs from OctoPrint / Moonraker
* Auto swiching from to Print Menu on job start / end.
* Display Print time, Progress, Temps, and Job name.
* Pause / Resume / Cancle Job
* Tune Menu: Print speed & Temps

Perpare Menu:

* Move / Jog toolhead
* Disable stepper
* Auto Home
* Z offset (PROBE_CALIBRATE)
* Preheat
* cooldown

Info Menu

* Shows printer info.

Notworking:

* Save / Loding Preheat setting, hardcode on start can be changed in menu but will not retane on restart.
* The Control: Motion Menu

dwin_t5uic1_lcd's People

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dwin_t5uic1_lcd's Issues

DWIN_T5UIC1_LCD/printerInterface.py - KeyError: 'model'

Not sure what to do about this one...

# python3 run.py

DWIN handshake
DWIN OK.
http://127.0.0.1:80
Waiting for connect to /tmp/klippy_uds

Connection.

Boot looks good
Testing Web-services
Web site exists
Traceback (most recent call last):
  File "run.py", line 13, in <module>
    API_Key
  File "/home/pi/DWIN_T5UIC1_LCD/dwinlcd.py", line 322, in __init__
    self.pd.init_Webservices()
  File "/home/pi/DWIN_T5UIC1_LCD/printerInterface.py", line 357, in init_Webservices
    self.SHORT_BUILD_VERSION = ppp['model']
KeyError: 'model'

LCD Is now showing that initial Creality Loading Bar indefinitely without animation.

Ideas?

Sorry if this is inappropriate but couldn't find a way to communicate with you elsewhere.
I'm trying to find a way to connect the ender 3 s1 touchscreen (not lcd, which has a solution via one of the forks from this repo) to the raspberry pi 4b.
I have no idea how to start approaching this as I can't find any documentation of the ender 3 s1 touch screen kit connections.
Is there any reason this can't be done?

Thank you

Moonraker/Klipper only?

Hey,
First let me say thanks for working on this!

I can get it to work with OctoPrint but I want to use Klipper with Moonraker exclusively.
How would I do that?

I've tried setting the Octoprint Port to 7125 so it tries to use Moonraker but I get errors.

Can not find the klipper file in /etc/default/klipper how to enable klipper socket

By default, the Klipper's API socket is not enabled. In order to use the API server, the file /etc/default/klipper need to be updated form

KLIPPY_ARGS="/home/pi/klipper/klippy/klippy.py /home/pi/printer.cfg -l /tmp/klippy.log"
To:

KLIPPY_ARGS="/home/pi/klipper/klippy/klippy.py /home/pi/printer.cfg -a /tmp/klippy_uds -l /tmp/klippy.log"

Connecting to seperate moonraker host??

Is there a way to use a seperate moonraker host like klipperscreen? I'm running Klipper on a laptop motherboard I fixed because a decent Raspberry Pi 3 or 4 where I live is really expensive. I really want to reuse the the display so I used a Raspberry Pi Zero W I had lying around collecting dust to control the screen. I got to the point where the screen boots up and displays the Creality Logo but I'm having trouble with connecting to Moonraker "or so I think" and keeps throwing this error:

"Unable to connect socket http://10.24.47.195 [2,ENOENT]"

As you can see I already changed the address in printerInterface.py to match my Moonraker host hoping that It will magically work but so far nothing, I know a bit about python but my knowledge is way behind to you guys python mastery. I tried reading the docs about moonraker api/klipper api but honestly it went over my head.

Any help would be greatly appreciated.

How to add new preheat row?

Does anybody know how to add a new Preheat line, e.g. for PETG?

I can see you can change the values for PLA or ABS in code, but would like to add a third.

The main bit I think I'm missing is how characters are created or copied, so for ABS we do:


	def Item_Prepare_ABS(self, row):
		self.lcd.Frame_AreaCopy(1, 107, 76, 156, 86, self.LBLX, self.MBASE(row))  # "Preheat"
		self.lcd.Frame_AreaCopy(1, 172, 76, 198, 86, self.LBLX + 52, self.MBASE(row))  # "ABS"
		self.Draw_Menu_Line(row, self.ICON_ABSPreheat)

How do I find out what position (e.g. 172, 76 above for ABS) holds string 'PETG' or if it's just not available?

'DWIN_LCD' object has no attribute 'checkkey'

I made everything of the setup and connected the Display properly to the Raspberry Pi.

The Display doesnt show anything (but the Backlight is on) and when i spin or push the button this is the output of run.py:

DWIN handshake
Traceback (most recent call last):
File "/home/pi/DWIN_T5UIC1_LCD/encoder.py", line 47, in transitionOccurred
self.callback(self.value)
File "/home/pi/DWIN_T5UIC1_LCD/dwinlcd.py", line 2252, in encoder_has_data
if self.checkkey == self.MainMenu:
AttributeError: 'DWIN_LCD' object has no attribute 'checkkey'
Traceback (most recent call last):
File "/home/pi/DWIN_T5UIC1_LCD/encoder.py", line 38, in transitionOccurred
self.callback(self.value)
File "/home/pi/DWIN_T5UIC1_LCD/dwinlcd.py", line 2252, in encoder_has_data
if self.checkkey == self.MainMenu:
AttributeError: 'DWIN_LCD' object has no attribute 'checkkey'
Traceback (most recent call last):
File "/home/pi/DWIN_T5UIC1_LCD/dwinlcd.py", line 2252, in encoder_has_data
if self.checkkey == self.MainMenu:
AttributeError: 'DWIN_LCD' object has no attribute 'checkkey'

My setup:
Raspberry Pi 3
Octoprint Version 1.5.3
Klipper v0.9.1

error when running run.py

i am installing this on mainsail os and after i did everything on the page i got stuck on run.py

terminal log

DWIN handshake
DWIN OK.
http://127.0.0.1:80
Waiting for connect to /tmp/klippy_uds

Unable to connect socket /tmp/klippy_uds [2,ENOENT]

cananyone help me?

Control wheel does not work

Hey I already tried different pins (5,6) but nothing happens when turning it. Anything I can try?

Remove octoprint dependency, and communicate only with moonraker API

Any plans to change the program to use the moonraker API directly? The octoprint dependency is a bit inconvenient for those of us who use different klipper frontends

Support for standard GPIO - not just raspberry pi

Hey, it would be awesome if this could support standard GPIO rather than being locked down to the Raspberry Pi only (which are really expensive now).

For example a commonly used alternative/upgrade is the RockPi series SBCs.

The RockPi 4 and newer use the exact same GPIO pin outs and are supported by mraa - https://wiki.radxa.com/Rockpi4/hardware/gpio.

I see you're currently using the gpiozero library which is somewhat hardcoded to only work with raspberry pis likewise with the fallback pigpiod.

There is a rpi.gpio drop-in replacement for SBCs other than the Raspberry Pi - https://github.com/rm-hull/OPi.GPIO

You can query the GPIO using libmraa and related tooling:

mraa-gpio list
01         3V3:
02          5V:
03        SDA7: GPIO I2C
04          5V:
05        SCL7: GPIO I2C
06         GND:
07    SPI2_CLK: GPIO SPI
08        TXD2: GPIO UART
09         GND:
10        RXD2: GPIO UART
11        PWM0: GPIO PWM
12    GPIO4_A3: GPIO
13        PWM1: GPIO PWM
14         GND:
15    GPIO4_C5: GPIO
16    GPIO4_D2: GPIO
17         3V3:
18    GPIO4_D4: GPIO
19 SPI1TX,TXD4: GPIO SPI  UART
20         GND:
21 SPI1RX,RXD4: GPIO SPI  UART
22    GPIO4_D5: GPIO
23     SPI1CLK: GPIO SPI
24      SPI1CS: GPIO SPI
25         GND:
26     ADC_IN0: AIO
27        SDA2: GPIO I2C
28        SCL2: GPIO I2C
29 SCL6,SPI2RX: GPIO I2C  SPI
30         GND:
31 SDA6,SPI2TX: GPIO I2C  SPI
32    GPIO3_C0: GPIO
33      SPI2CS: GPIO SPI
34         GND:
35    GPIO4_A5: GPIO
36    GPIO4_A4: GPIO
37    GPIO4_D6: GPIO
38    GPIO4_A6: GPIO
39         GND:
40    GPIO4_A7: GPIO

crw------- 1 root root 254, 0 Mar  9 07:25 /dev/gpiochip0
crw------- 1 root root 254, 1 Mar  9 07:25 /dev/gpiochip1
crw------- 1 root root 254, 2 Mar  9 07:25 /dev/gpiochip2
crw------- 1 root root 254, 3 Mar  9 07:25 /dev/gpiochip3
crw------- 1 root root 254, 4 Mar  9 07:25 /dev/gpiochip4

crw-rw---- 1 root i2c 89, 0 Mar  9 07:25 /dev/i2c-0
crw-rw---- 1 root i2c 89, 1 Mar  9 07:25 /dev/i2c-1
crw-rw---- 1 root i2c 89, 3 Mar  9 07:25 /dev/i2c-3
crw-rw---- 1 root i2c 89, 4 Mar  9 07:25 /dev/i2c-4

gpioinfo
gpiochip0 - 32 lines:
	line   0:      unnamed       unused   input  active-high
	line   1:      unnamed       unused   input  active-high
	line   2:      unnamed       unused   input  active-high
	line   3:      unnamed       unused   input  active-high
	line   4:      unnamed "host-wakeup" input active-high [used]
	line   5:      unnamed       unused   input  active-high
	line   6:      unnamed       unused   input  active-high
	line   7:      unnamed         "cd"   input   active-low [used]
	line   8:      unnamed       unused   input  active-high
	line   9:      unnamed   "shutdown"  output  active-high [used]
	line  10:      unnamed      "reset"  output   active-low [used]
	line  11:      unnamed       unused   input  active-high
	line  12:      unnamed       unused   input  active-high
	line  13:      unnamed       unused   input  active-high
	line  14:      unnamed       unused   input  active-high
	line  15:      unnamed       unused   input  active-high
	line  16:      unnamed       unused   input  active-high
	line  17:      unnamed       unused   input  active-high
	line  18:      unnamed       unused   input  active-high
	line  19:      unnamed       unused   input  active-high
	line  20:      unnamed       unused   input  active-high
	line  21:      unnamed       unused   input  active-high
	line  22:      unnamed       unused   input  active-high
	line  23:      unnamed       unused   input  active-high
	line  24:      unnamed       unused   input  active-high
	line  25:      unnamed       unused   input  active-high
	line  26:      unnamed       unused   input  active-high
	line  27:      unnamed       unused   input  active-high
	line  28:      unnamed       unused   input  active-high
	line  29:      unnamed       unused   input  active-high
	line  30:      unnamed       unused   input  active-high
	line  31:      unnamed       unused   input  active-high
gpiochip1 - 32 lines:
	line   0:      unnamed       unused   input  active-high
	line   1:      unnamed       unused   input  active-high
	line   2:      unnamed       unused   input  active-high
	line   3:      unnamed "vcc5v0-typec-regulator" output active-high [used]
	line   4:      unnamed       unused   input  active-high
	line   5:      unnamed       unused   input  active-high
	line   6:      unnamed       unused   input  active-high
	line   7:      unnamed       unused   input  active-high
	line   8:      unnamed       unused   input  active-high
	line   9:      unnamed       unused   input  active-high
	line  10:      unnamed       unused   input  active-high
	line  11:      unnamed       unused   input  active-high
	line  12:      unnamed       unused   input  active-high
	line  13:      unnamed       unused   input  active-high
	line  14:      unnamed       unused   input  active-high
	line  15:      unnamed       unused   input  active-high
	line  16:      unnamed       unused   input  active-high
	line  17:      unnamed       unused   input  active-high
	line  18:      unnamed       unused   input  active-high
	line  19:      unnamed       unused   input  active-high
	line  20:      unnamed       unused   input  active-high
	line  21:      unnamed       unused   input  active-high
	line  22:      unnamed       unused   input  active-high
	line  23:      unnamed       unused   input  active-high
	line  24:      unnamed       unused   input  active-high
	line  25:      unnamed       unused   input  active-high
	line  26:      unnamed       unused   input  active-high
	line  27:      unnamed       unused   input  active-high
	line  28:      unnamed       unused   input  active-high
	line  29:      unnamed       unused   input  active-high
	line  30:      unnamed       unused   input  active-high
	line  31:      unnamed       unused   input  active-high
gpiochip2 - 32 lines:
	line   0:      unnamed       unused   input  active-high
	line   1:      unnamed       unused   input  active-high
	line   2:      unnamed       unused   input  active-high
	line   3:      unnamed       unused   input  active-high
	line   4:      unnamed       unused   input  active-high
	line   5:      unnamed       unused   input  active-high
	line   6:      unnamed       unused   input  active-high
	line   7:      unnamed       unused   input  active-high
	line   8:      unnamed       unused   input  active-high
	line   9:      unnamed       unused   input  active-high
	line  10:      unnamed       unused   input  active-high
	line  11:      unnamed       unused   input  active-high
	line  12:      unnamed       unused   input  active-high
	line  13:      unnamed       unused   input  active-high
	line  14:      unnamed       unused   input  active-high
	line  15:      unnamed       unused   input  active-high
	line  16:      unnamed       unused   input  active-high
	line  17:      unnamed       unused   input  active-high
	line  18:      unnamed       unused   input  active-high
	line  19:      unnamed       unused   input  active-high
	line  20:      unnamed       unused   input  active-high
	line  21:      unnamed       unused   input  active-high
	line  22:      unnamed       unused   input  active-high
	line  23:      unnamed       unused   input  active-high
	line  24:      unnamed       unused   input  active-high
	line  25:      unnamed       unused   input  active-high
	line  26:      unnamed "vcc3v3-pcie-regulator" output active-high [used]
	line  27:      unnamed "device-wakeup" output active-high [used]
	line  28:      unnamed       unused   input  active-high
	line  29:      unnamed       unused   input  active-high
	line  30:      unnamed       unused   input  active-high
	line  31:      unnamed       unused   input  active-high
gpiochip3 - 32 lines:
	line   0:      unnamed       unused   input  active-high
	line   1:      unnamed       unused   input  active-high
	line   2:      unnamed       unused   input  active-high
	line   3:      unnamed       unused   input  active-high
	line   4:      unnamed       unused   input  active-high
	line   5:      unnamed       unused   input  active-high
	line   6:      unnamed       unused   input  active-high
	line   7:      unnamed       unused   input  active-high
	line   8:      unnamed       unused   input  active-high
	line   9:      unnamed       unused   input  active-high
	line  10:      unnamed       unused   input  active-high
	line  11:      unnamed       unused   input  active-high
	line  12:      unnamed       unused   input  active-high
	line  13:      unnamed       unused   input  active-high
	line  14:      unnamed       unused   input  active-high
	line  15:      unnamed "snps,reset"  output   active-low [used]
	line  16:      unnamed       unused   input  active-high
	line  17:      unnamed       unused   input  active-high
	line  18:      unnamed       unused   input  active-high
	line  19:      unnamed       unused   input  active-high
	line  20:      unnamed       unused   input  active-high
	line  21:      unnamed       unused   input  active-high
	line  22:      unnamed       unused   input  active-high
	line  23:      unnamed       unused   input  active-high
	line  24:      unnamed       unused   input  active-high
	line  25:      unnamed       unused   input  active-high
	line  26:      unnamed       unused   input  active-high
	line  27:      unnamed       unused   input  active-high
	line  28:      unnamed       unused   input  active-high
	line  29:      unnamed     "status"  output  active-high [used]
	line  30:      unnamed       unused   input  active-high
	line  31:      unnamed       unused   input  active-high
gpiochip4 - 32 lines:
	line   0:      unnamed       unused   input  active-high
	line   1:      unnamed       unused   input  active-high
	line   2:      unnamed       unused   input  active-high
	line   3:      unnamed       unused   input  active-high
	line   4:      unnamed       unused   input  active-high
	line   5:      unnamed       unused   input  active-high
	line   6:      unnamed       unused   input  active-high
	line   7:      unnamed       unused   input  active-high
	line   8:      unnamed       unused   input  active-high
	line   9:      unnamed       unused   input  active-high
	line  10:      unnamed       unused   input  active-high
	line  11:      unnamed       unused   input  active-high
	line  12:      unnamed       unused   input  active-high
	line  13:      unnamed       unused   input  active-high
	line  14:      unnamed       unused   input  active-high
	line  15:      unnamed       unused   input  active-high
	line  16:      unnamed       unused   input  active-high
	line  17:      unnamed       unused   input  active-high
	line  18:      unnamed       unused   input  active-high
	line  19:      unnamed       unused   input  active-high
	line  20:      unnamed       unused   input  active-high
	line  21:      unnamed       unused   input  active-high
	line  22:      unnamed       unused   input  active-high
	line  23:      unnamed       unused   input  active-high
	line  24:      unnamed       unused   input  active-high
	line  25:      unnamed "vcc5v0-host-regulator" output active-high [used]
	line  26:      unnamed       unused   input  active-high
	line  27:      unnamed         "ep"  output  active-high [used]
	line  28:      unnamed       unused   input  active-high
	line  29:      unnamed       unused   input  active-high
	line  30:      unnamed       unused   input  active-high
	line  31:      unnamed       unused   input  active-high

Hanging screen after homing

The printer communicates well with Octoprint and can control all the relevant settings but when I home axes via the display, I get a wait screen with an image that says "Homing XYZ Please wait until Done" Which is to be expected but it never clears and goes back to the main screen. I have to reboot the pi to get it back to functional.

The relevant data (temperatures and such at the bottom) do update while this is occuring. Longest wait time is around 15 minutes because I walked away. Happy to send logs if you can tell me what to send.

Thanks!

Help with pin connection

DELETE

Feature request: add menu item to power toggle printer

Hi, great project, thanks very much.

I was wondering if it would be possible to add a button to toggle a moonraker power device? I'm not sure if the interface is customisable or not. Any pointers in the right direction welcome.

Thanks.

error connecting with remote RPI0

hi,
I'm trying to connect a raspberry pi 0 (which the screen is connected) to an Android box where Klipper/moonracker/octoprint are installed. The screen lights up with the logo but run.py returns the message "DWIN OK. Unable to connect socket /home/florian/printer_data/comms/klippy.sock [2,ENOENT]"
I changed the IP 127.0.0.1 to the IP of the box (192.168.X.X) on line 256 of "printerinterface.py". The API key is good. But it does not work.
My question: how to connect remotely?
Thks

Add menu controls to shutdown the pi

Adding controls to shutdown the pi via the LCD would allow the entire setup to be turned off without use of the web interface or an ssh connection, allowing klipper to be used independent of a laptop/phone to view the web interface or form an ssh connection

Mainboard connection instead of Rpi GPIO

Hey, great project!
Just wanted to ask how hard would it be to make the display communicate with klipper through the mainboard instead of the Rpi? I know someone accomplished this for the T5UID1 touchscreen display that comes with Ender 5 plus, Ender 6, CR10S pro. Are you planning to test this approach on the T5UIC1? I think that would be awesome.

KeyError: 'job'

Hey, hoping you can help.

I did everything as per the list but getting stuck on an error

When I run the run.py file it stops on KeyError: 'job'. Here is a copy from putty:

pi@octopi:~/DWIN_T5UIC1_LCD $ python3 ./run.py

DWIN handshake
DWIN OK.
http://127.0.0.1:80
Waiting for connect to /tmp/klippy_uds

Connection.

Boot looks good
Testing Web-services
Web site exists
Traceback (most recent call last):
File "./run.py", line 13, in
API_Key
File "/home/pi/DWIN_T5UIC1_LCD/dwinlcd.py", line 322, in init
self.pd.init_Webservices()
File "/home/pi/DWIN_T5UIC1_LCD/printerInterface.py", line 355, in init_Webservices
self.update_variable()
File "/home/pi/DWIN_T5UIC1_LCD/printerInterface.py", line 400, in update_variable
self.file_name = self.job_Info['job']['file']['name']
KeyError: 'job'

The screen is on with the Creality boot logo but nothing else.

Can you please give me same guidance

Setup:
Ender 3 v2
4.2.7 board
Rpi 4
Klipper with octoprint (dont know what moonraker is maybe i need this?)

odwdinc / dwin_t5uic1_lcd Goto Github PK

dwin_t5uic1_lcd's Introduction

DWIN_T5UIC1_LCD

Python class for the Ender 3 V2 LCD runing klipper3d with OctoPrint / Moonraker

Setup:

Library requirements

Wire the display

Run The Code

Run at boot:

Status:

Working:

Notworking:

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