Implement four-mode refresh for SSD1677 4-gray panel#225
Merged
Conversation
quality / text render absolute 4-gray frames with dedicated waveforms. fast performs a three-step differential 4-gray transition based on the tracked displayed state, and fastest drives a single endpoint pass limited to the dirty rectangle. Mode 2 RAM face parity is managed explicitly, and BUSY is no longer sampled before it has asserted.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Overview
Implements distinct refresh behavior for all four epd_mode settings on Panel_SSD1677_4Gray (M5PaperMono):
Implementation notes
Waveform parameters were calibrated and verified on M5PaperMono hardware.