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waveshare(ssd1680): Add driver for waveshare 2.9 inch v2 epaper

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- Waveshare 2.9in v2 epaper uses a different IC (SSD1680) than the v1. This commit
takes the code from v1 and modifies them for v2.
- Datasheets:
    - https://files.waveshare.com/upload/7/79/2.9inch-e-paper-v2-specification.pdf
    - https://cdn-learn.adafruit.com/assets/assets/000/097/631/original/SSD1680_Datasheet.pdf?1607625960
- Code reference: https://github.com/waveshareteam/e-Paper/raw/refs/heads/master/RaspberryPi_JetsonNano/c/lib/e-Paper/EPD_2in9_V2.c
- Fixes #627

Signed-off-by: Avinal Kumar <avinal.xlvii@gmail.com>
Assisted-by: Claude Code
This commit is contained in:
Avinal Kumar
2026-03-29 19:02:13 +05:30
committed by Ron Evans
parent 4071028e85
commit e232a4f136
4 changed files with 653 additions and 0 deletions
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smoketest.sh
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@@ -128,6 +128,7 @@ tinygo build -size short -o ./build/test.hex -target=pybadge ./examples/sx127x/l
tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/ssd1289/main.go
tinygo build -size short -o ./build/test.hex -target=pico ./examples/irremote/main.go
tinygo build -size short -o ./build/test.hex -target=badger2040 ./examples/uc8151/main.go
tinygo build -size short -o ./build/test.hex -target=badger2040 ./examples/waveshare-epd/epd2in9v2/main.go
tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/scd4x/main.go
tinygo build -size short -o ./build/test.uf2 -target=circuitplay-express ./examples/makeybutton/main.go
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/ds18b20/main.go