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https://github.com/boochow/FBConsole
frame buffer console class for MicroPython
https://github.com/boochow/FBConsole
Last synced: 2 months ago
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frame buffer console class for MicroPython
- Host: GitHub
- URL: https://github.com/boochow/FBConsole
- Owner: boochow
- License: mit
- Created: 2018-11-08T14:01:34.000Z (over 5 years ago)
- Default Branch: master
- Last Pushed: 2019-10-12T08:54:04.000Z (over 4 years ago)
- Last Synced: 2024-01-28T08:09:21.481Z (5 months ago)
- Language: Python
- Size: 2.74 MB
- Stars: 50
- Watchers: 9
- Forks: 11
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Lists
- awesome-micropython - FBConsole - Framebuffer console class for MicroPython. (Libraries / Communications)
README
# FBConsole
Framebuffer console class for MicroPython.
You can redirect REPL to any framebuffer devices.
## Usage
The example below duplicates REPL output to SSD1306 OLED connected to ESP32 via I2C(SDA=Pin22, SCL=Pin21).
```
from machine import Pin, I2C
from ssd1306 import SSD1306_I2C
i2c = I2C(scl=Pin(21), sda=Pin(22), freq=400000)
oled = SSD1306_I2C(128, 64, i2c)
from fbconsole import FBConsole
import os
scr = FBConsole(oled)
os.dupterm(scr) # redirect REPL output to OLED
help() # and print something
os.dupterm(None) # then disconnect OLED from REPL
scr.cls() # and clear OLED screen
```
## ST7735 Wrapper
ST7735fb.py is a wrapper class to use FBConsole with ST7735-based small TFT LCD.
It provides some of FrameBuffer class APIs necessary to use FBConsole.
Use this with [ST7735 driver for MicroPython](https://github.com/boochow/MicroPython-ST7735).
Only LCDs with ST7735S(and maybe ST7735R) are supported because this wrapper class requires hardware scroll functionality.
## petme128 font
petme128.py is a font converted from ``petme128-font.c`` used in the framebuf class of MicroPython.
## ST7735fb usage
```
# This example is for ESP32 + ST7735S TFT LCD
from ST7735 import TFT
from machine import SPI,Pin
spi = SPI(2, baudrate=20000000, polarity=0, phase=0, sck=Pin(14), mosi=Pin(13), miso=Pin(12))
tft=TFT(spi,16,17,18)
tft.initb2()
tft.rgb(True)
# Assign 2 pixels for fixed and invisible area
# (ST7735S frame buffer vertical size is 162 pixels)
tft.setvscroll(1, 1)
# Wrapper object for FBConsole
from ST7735fb import TFTfb
from petme128 import petme128
fb = TFTfb(tft, petme128)
# redirect MicroPython terminal to ST7735
from fbconsole import FBConsole
scr = FBConsole(fb, TFT.BLACK, TFT.WHITE)
import os
os.dupterm(scr)
```
