drv_epaper_gdeq031t10
SPI e-paper driver for the GDEQ031T10 (Good Display 3.1-inch 4-gray). Manual SPI command sequences for full, partial, and fast refresh.
Overview Proven
| HAL Type | Display |
| Chip | GDEQ031T10 |
| Interface | SPI |
| Description | E-paper with 4-gray LUT. Supports full, partial, and fast refresh modes. BUSY pin polling for refresh completion. |
Implementation
| Source | components/kernel_rs/src/drv_epaper_gdeq031t10.rs (1153 lines) |
| Wraps | None — manual SPI commands with DC/CS/BUSY GPIO |
| Tests | 17 unit tests |
Devices
Boards that use this driver:
| Device | Status |
|---|---|
| T-Deck Pro | Proven |
Configuration
Configured via board.json: SPI pins (MOSI, CLK, CS, DC, RST, BUSY). Integrated with the kernel epaper_refresh module for coalesced updates.
Known Issues
No known issues.