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No display and getting padded area too small warning

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评估

难度
4/5
预计耗时
3-5 天
新手友好度
25/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
停滞
技术栈
python
领域
embedded-iot

调研方向

Start with the step-by-step installation guide and the [main], default fallback plugin, and Basic Clock configuration shown in the issue. Trace where the :padding warning is produced and how the configured display and plugin layout are used; the payload does not identify source files or tests. Done means the cause of the missing display is identified and the display shows plugin output on the reported setup.

由索引模型根据 Issue 内容生成。

描述

bug

Describe the bug
Not getting any display. getting the warning:

This is the error I got last install

15:19:21 Block :padding :340 :WARNING - the padded area available may be too small to display any content: Area: (360, 24), Padded Area: [340, 4]
15:19:53 Block :padding :340 :WARNING - the padded area available may be too small to display any content: Area: (216, 24), Padded Area: [196, 4]
15:19:57 Block :padding :340 :WARNING - the padded area available may be too small to display any content: Area: (144, 24), Padded Area: [124, 4]

Getting this same warning after fresh install and going through the step by step install again still no display output..
07:10:36 Block   :padding   :340 :WARNING    - the padded area available may be too small to display any content: Area: (360, 24), Padded Area: [340, 4]

To Reproduce
I don't know how to reproduce as I have tried again from a fresh install and just followed the step by step install guide.

Expected behavior
Screen to display plugins as they should.

Hardware

  • Full EPD version: epd3in52
  • Pi Version Raspberry Pi 3 Model B Rev 1.2

OS Info

PRETTY_NAME="Debian GNU/Linux 12 (bookworm)"
NAME="Debian GNU/Linux"
VERSION_ID="12"
VERSION="12 (bookworm)"
VERSION_CODENAME=bookworm
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"

[main] Section of Config

# CONFIG_VERSION=1.2
[main]
# waveshare display type use HD for IT8951 displays
display_type = epd3in52
# required vcom value for IT8951 screens
vcom = 0.0
# maximum refresh between total screen clear for HD displays
max_refresh = 4
# logging output level
log_level = WARNING
# display splash screen (True or False)
splash = True
# rotation of EPD display
# (cable bottom: 0; cable left: -90; cable right: 90; cable top: 180)
rotation = 0
# mirror screen outuput - useful if output to screen appears backwards
mirror = False
# Disable RGB color support for 7-color screens (Default: True)
# This setting only affects 7 color screens and does not impact bi-color screens
color = false
# Disable screen wipe at shutdown (Default: True)
# This setting will leave the last image on the screen at shutdown
no_wipe = False
# plugin timeout - amount of time in seconds to wait for a hung plugin to complete execution
plugin_timeout = 30

Plugin Issues
The these are the only two plugins enabled

[Plugin: default fallback plugin]
layout = layout
plugin = default
refresh_rate = 30
min_display_time = 60
max_priority = 2**15

[Plugin: Basic Clock]
layout = layout
plugin = basic_clock
refresh_rate = 30
min_display_time = 50
max_priority = 2

Additional context
Initially I was trying the weather plugin but to troubleshoot I switched to the basic clock one since its simpler to see if maybe the other plugin had too much and the screen was not able to display it properly. Display does work fine as I have tested it using the waveshare demos.

主要语言
Python
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环境准备

  • 没有 Dockerfile 或 Docker Compose 文件
  • 有 Pull Request 模板
  • 没有贡献指南

从这里开始

  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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