Plain C AVR library for ST7735 displays
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Sebastian e0527a6876 Fixed typo 3 weeks ago
fonts Added additional font and the font converter 4 years ago
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include Fixed mixing of tabs and spaces 2 years ago
utils Added additional font and the font converter 4 years ago
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Makefile Make target for building static library 4 weeks ago
README.md Fixed typo 3 weeks ago
main.c Add files via upload 1 year ago
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README.md

ST7735 for AVR

Please note: This repository is archived. However barskern has kindly agreed to continue maintaining this library. Please go to: https://github.com/barskern/avr-st7735 for the latest version as well as for issues and pull requests.

example of working display

My simplified plain C version of https://github.com/adafruit/Adafruit-ST7735-Library and parts of https://github.com/adafruit/Adafruit-GFX-Library/

Use at your own risk!

Tweaks

By LongHairedHacker:

By Massey101:

  • Added support for bitmap clipping
  • Added JAYCAR screen for XC4629 support

By barskern:

  • Make target for linking a static library

Usage

Connect the display to the following PINS:

JAYCAR screen and ATMEGA328:

Screen AVR
VCC 5V
GND GND
CS PB2
RESET PD7
A0 PD6
SDA PB3
SCK PB5
LED 3.3V
  1. Set the environment variables for:
  • AVRMCU - Your avr chip
  • F_CPU - Your clock speed
  • ISPPORT - programming device
  1. Modify include/st7735.h:st7735_type to your screen. (I have no idea how to figure out which is which)
  2. Run make flash