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add oled-arm
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oled/Dockerfile
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oled/Dockerfile
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#
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# Dockerfile for oled
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#
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FROM easypi/alpine-arm
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MAINTAINER EasyPi Software Foundation
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RUN set -xe \
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&& apk add --no-cache build-base \
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curl \
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linux-headers \
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python \
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python-dev \
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freetype \
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freetype-dev \
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jpeg \
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jpeg-dev \
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&& curl https://bootstrap.pypa.io/get-pip.py | python \
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&& pip install luma.oled \
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&& apk del --purge build-base \
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curl \
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linux-headers \
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python-dev \
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freetype-dev \
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jpeg-dev
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ENTRYPOINT ["python"]
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oled/README.md
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oled
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====
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## Demo
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```
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OLED Pin | Name | Remarks | RPi Pin | RPi Function
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---------+------+---------+---------+--------------
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1 | GND | Ground | P01-6 | GND
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2 | VCC | +3.3V | P01-1 | 3V3
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3 | SCL | Clock | P01-5 | GPIO 3 (SCL)
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4 | SDA | Data | P01-3 | GPIO 2 (SDA)
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```
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```bash
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# Show "hello world" on oled display module
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$ cat demo.py | docker-compose run --rm oled
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```
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## Todo
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- [ ] Implement RESTful API
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oled/demo.py
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#!/usr/bin/env python
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from luma.core.interface.serial import i2c
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from luma.core.render import canvas
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from luma.oled.device import ssd1306
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serial = i2c(port=1, address=0x3C)
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device = ssd1306(serial)
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device.cleanup = lambda _: None
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with canvas(device) as draw:
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draw.rectangle(device.bounding_box, outline="white", fill="black")
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draw.text((30, 40), "Hello World", fill="white")
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4
oled/docker-compose.yml
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oled:
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image: easypi/oled-arm
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devices:
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- /dev/i2c-1
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