Driving the Mikroe eINK Click with our P2
eINK click is an adapter Click board™ from Mikroe.com, used to interface a compatible eINK display with the host MCU. The most distinctive feature of the eINK displays is their very low power consumption and the ability to retain the information, even after disconnecting from the power source. The power is consumed only when the display content is changing.
The Click board™ as delivered from Parallax.com comes shipped with the 250x122 eINK display, driven by the integrated SSD1606 controller and it can display 4 shades: black, dark gray, light gray and white. The same type of display is used on the popular Kindle E-readers.
If you wish to use the click module with your P2 Evaluation board, P2 Edge Module Breadboard, or the P2 Edge Mini Breakout Board then you'll need:
- the Eval adapter board P2 Eval to MikroBUS Click Adapter
Additionally, you can buy the eINK displays and the click module separately from Parallax:
- eINK Click adapter
- 122 x 250 2.13 inch E-Paper Display for eINK Click
- 200 x 200 1.54 inch E-Paper Display for eINK Click
- 296 x 128 2.9 inch E-Paper Display for eINK Click
This project provides a working driver for the P2 developed in spin2. It started as a port of the C example code for the 2.13" eINK display which Parallax ships. It has been extended to add capabilities to create more creative displays.
Initial ported capabilties:
- Show fullscreen bitmap
- Show text on screen using built-in fonts, w/orientations, and in 4 colors
- Fonts:
- Tahoma [6, 7, 8, 10, 14, 16, 18pt]
- Exo2 Condensed [10x16, 15x23, 21x32]
- Roboto Mono [11x23]
- Font orientations:
- Vertical, Vertical-Column, Horizontal
- eINK colors:
- Black, and White (2.00" display might be Black, Dark Grey, Light Grey and White)
To this, we added these additional capabilities:
- Set background color
- Set region background color
- Show bitmap in region as color w/rotation
- Draw line, box, circle
- Support for 1.54", 2.00" (older), 2.13" and 2.90" eINK displays
Latest Changes:
20 June 2022
- Completed 2.00" EP-EPA20-A (fm Mouser) device support
15 June 2022
- Updated demos to now produce P2 Logo'd display screen specific to device
- Update images in repo documents to show P2 Logo'd eInk displays
- Ver 0.9.1 Release
14 June 2022
- Repaired 1.54" device handling
- Now 1.54", 2.13 " and 2.90" displays are all working well
13 June 2022
- Both 2.13 " and 2.90" displays are now working well
- 1.54" is not quite happy yet...
- finished validation and final cleanup of "place image into region"
- all images now rotated correctly and aligned properly within rotated field
12 June 2022
- Fixed 2.13" display logic
- Now is full 122x250 pixels
- Is only displaying black and white (like it should have been!)
11 June 2022
- Placing rotated [0, 90, 180, and 270 degr] bitmap now working
10 June 2022
- Region Fill working
- Placing bitmap onto screen working (missing 180 adn 270 rotations yet)
- General cleanup ensuring all the eINK display sized from Mikroe should work (still need to test them)
09 June 2022
- Font orientations now correct
- Font sizes now correct for rectangular pixels, sigh.
- Line drawing working
- Box drawing working (rectangular outlines)
- Working on region fill
- Working on placing overlay bitmaps
08 June 2022
- fixing font orientations
07 June 2022
- Display 2.13" is working, full screen bitmaps work
- font orientation is not correct
05 June 2022
- Project Started
Things we know about that still need attention:
- We still want to support all display orientations (only two are supported currently.)
- Landscape (connector to left) and Portrait (connector at bottom)
- Want to add utility methods like:
- Calculate length of string in given font
- Calculate offset to center string of given font in region
- Invert/remap colors in bitmap (black to white, white to black, etc.)
On this Page:
Additional pages:
- Start your project using this object - Walks thru configuration and setup of your own project using this object
- Create bitmaps for display on your eINK device
- See images of all four displays working! There are a small number of .PDFs in the Docs directory providing detailed information on the display and controller chips
This is a project supporting our P2 Development Community. Please feel free to contribute to this project. You can contribute in the following ways:
- File Feature Requests or Issues (describing things you are seeing while using our code) at the Project Issue Tracking Page
- Fork this repo and then add your code to it. Finally, create a Pull Request to contribute your code back to this repository for inclusion with the projects code. See CONTRIBUTING
If you like my work and/or this has helped you in some way then feel free to help me out for a couple of ☕'s or 🍕 slices!
Parallax, Propeller Spin, and the Parallax and Propeller Hat logos are trademarks of Parallax Inc., dba Parallax Semiconductor
This project is a community project not for commercial use.
This project is in no way affiliated with, authorized, maintained, sponsored or endorsed by Parallax Inc., dba Parallax Semiconductor or any of its affiliates or subsidiaries.
Licensed under the MIT License.
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