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Add Seeed reTerminal E1004 panel support#32

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limengdu wants to merge 6 commits into
bitbank2:mainfrom
limengdu:codex/e1004-t133a01
Open

Add Seeed reTerminal E1004 panel support#32
limengdu wants to merge 6 commits into
bitbank2:mainfrom
limengdu:codex/e1004-t133a01

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@limengdu

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Summary

  • Add T133A01 13.3 inch Spectra6 dual-controller panel support for Seeed reTerminal E1004.
  • Add T133A01 init, dual-CS data streaming, refresh handling, and a longer BUSY timeout for this panel.
  • Add a standalone E1004 PlatformIO diagnostic example with a six-color Spectra6 test pattern.

Validation

  • Built examples/e1004_test with PlatformIO.
  • Uploaded the diagnostic firmware to a Seeed reTerminal E1004 device.
  • Verified black/white rendering and the six-color Spectra6 test pattern on hardware.
  • Verified real refresh timing in the expected multi-second range.

Notes

  • The diagnostic example uses a 5-minute loop delay to avoid unnecessary repeated panel refreshes.

limengdu added 6 commits June 15, 2026 22:39
New panel EP133A_SPECTRA_1200x1600 (1200x1600, BBEP_SPLIT_BUFFER | BBEP_7COLOR)
with its own init sequence and a BBEP_T133A01 flag for the controller's
quirks: a CCSET (0xE0,0x01) before each data frame and a PON/DRF(0x01)/POF
refresh on both controllers. initIO now records the primary CS as controller
bitbank2#1 so dual-CS setup works regardless of setCS2() call order.
PlatformIO sketch that brings up the EP133A_SPECTRA_1200x1600 panel manually
(power enable + setCS2 + initIO) and draws full-width colour bands plus a
seam-crossing box to verify the dual-chip stitching, colours and refresh.
Add a .gitignore for the example's .pio/ build directory and remove the
accidentally-committed build output.
@TehesFR

TehesFR commented Jul 9, 2026

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Hi @bitbank2 👋
Can this be merged ? When is it planned ? Thanks a lot

@jonasniesner

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I also would appreciate if this PR could be looked t because it blocks me from using this Screen in OpenDisplay without having to fork bb_epaper. Since it is also similar to #31 it would also be important how the CS2 pin should be handled going forward.

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3 participants