Comments (4)
This code is in python code, but not in C code:
https://github.com/waveshare/e-Paper/blob/4e72f31f116d2ec2e9434884d6388792605cbe52/Python/lib/waveshare_epd/epd2in9d.py#L315-L318
from e-paper.
These lines also differ from the values used in C:
https://github.com/waveshare/e-Paper/blob/4e72f31f116d2ec2e9434884d6388792605cbe52/Python/lib/waveshare_epd/epd2in9d.py#L221-L224
https://github.com/waveshare/e-Paper/blob/4e72f31f116d2ec2e9434884d6388792605cbe52/Python/lib/waveshare_epd/epd2in9d.py#L243-L246
from e-paper.
After making these changes to match the C code, I get an inverted(black is white, white is black) image during partial update, but it no longer burns the image into the display. Image can erase after only one Clear command.
from e-paper.
Trying to use our latest program, will there be such a problem?
from e-paper.
Related Issues (20)
- Displaying Image HOT 1
- Wrong Elf Class error when trying example python on raspberry pi 4 HOT 15
- ModuleNotFoundError: No module named 'Jetson' HOT 4
- epd2in13 stays in e-Paper busy with Pythondemo, C demo working fine. HOT 1
- e-ink 2.13 V4 rotate string / landscape
- Could not determine Jetson model HOT 3
- epdconfig.py closes device so sleep doesn't work HOT 11
- "Chestnut" instead of "example" HOT 1
- maximum 8pin cable length HOT 1
- lgpio.error: 'GPIO busy' when trying to run demo with python on raspberry pi HOT 2
- 2.7inch display V2 IndexError: list index out of range error on raspberry HOT 2
- [Help/Request] Ability to slow down refresh time to reduce flickering (epilepsy sensitivity)
- 4.2 inch V2 screen not working with the provided example code. How do I troubleshoot? HOT 1
- Error when compiling code for Arduino Nano, 4.2in screen. HOT 1
- Bit mask bug in Epd::SetPartialWindow causes visual glitch at certain coordinates
- Support for Rasberry Pi 5
- Partial Refresh leads to grey pixels on 1.54 inch V2 HOT 2
- [HELP] WaveshareV4 not drawing on PI 02W (Device Busy) HOT 3
- lgpio.error: 'GPIO busy' HOT 2
- RuntimeError: Failed to add edge detection HOT 5
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from e-paper.