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5d3d32b116
I was frequently seeing the following and a reboot: Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled. Core 0 register dump: PC : 0x4008ae2d PS : 0x00060330 A0 : 0x800d3fd9 A1 : 0x3ffe15f0 A2 : 0x3ffc40e8 A3 : 0x00000000 A4 : 0x000000ff A5 : 0x0000ff00 A6 : 0x00ff0000 A7 : 0xff000000 A8 : 0x00000000 A9 : 0x3ffe15c0 A10 : 0x3ffc40e8 A11 : 0x3f40035d A12 : 0x3ffe16a0 A13 : 0x000004b0 A14 : 0x7ff00000 A15 : 0x7ff2c000 SAR : 0x0000001d EXCCAUSE: 0x0000001c EXCVADDR: 0x00000000 LBEG : 0x4008ae2d LEND : 0x4008ae41 LCOUNT : 0xffffffff Backtrace: 0x4008ae2a:0x3ffe15f0 0x400d3fd6:0x3ffe1600 0x400d42d3:0x3ffe18f0 decoded: 0x4008acbc: strcmp at /builds/idf/crosstool-NG/.build/xtensa-esp32-elf/src/newlib/newlib/libc/machine/xtensa/strcmp.S:467 0x400d4145: fetch_printer_data() at /home/user/tmp/CYD-Klipper/CYD-Klipper/src/core/data_setup.cpp:180 0x400d42d3: data_loop_background(void*) at /home/user/tmp/CYD-Klipper/CYD-Klipper/src/core/data_setup.cpp:233 (discriminator 1) Seems like the printer state was frequently ending up as null, so check for that and return a reasonable response. After applying this patch, things are stable for me.
CYD-Klipper
An implementation of a wireless Klipper status display on an ESP32 + screen. Uses Moonraker to fetch data.
A simple and cheap solution to use a dedicated screen with Klipper, a 3d printing Firmware.
Required hardware
A ESP32-2432S028R is required to run this project. You can find out where to buy these on the "ESP32 Cheap Yellow Display" repository.
Features
- View printer status
- View print progress and print statistics
- Start a print
- (When the printer is idle) move the printer
- (During a print) set fan speed, flow rate, speed and z offset
- Manage temperature
- Extrude/Retract filament
- Execute predefined gcode macros
- Toggle Moonraker power devices
Install
On initial install, all data should be wiped. On updates, data should be able to be kept without issues.
There are no 'over the air' updates. Each update has to be applied manually.
Screenshots
(Quite literally shots of the screen. I'm sorry)
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Credits
- xtouch
- ESP32-Cheap-Yellow-Display
- OperatorB for the ESP32-3248S035C display driver
- esp32-smartdisplay