Refactor EInkDisplay (#3299)

* Refactor EInkDisplay
A lot of variant specific code is merged, with the macros pushed to the respective variant.h files.
"Dynamic Partial" code has been purged, pending a rewrite.

* fix: declare class only if USE_EINK, init all members

* refactor: move macros to platformio.ini
Responds to https://github.com/meshtastic/firmware/pull/3299#issuecomment-1966425926

* fix: EInkDisplay::connect() references old macros
Usage was in a block of variant-specific code, which had been intentionally left untouched.

* fix: remove duplicate macros from variant.h

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
This commit is contained in:
todd-herbert 2024-02-29 04:45:15 +13:00 committed by GitHub
parent 7aee014f5e
commit 6acc63729b
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
20 changed files with 124 additions and 461 deletions

View File

@ -2,127 +2,49 @@
#ifdef USE_EINK
#include "EInkDisplay2.h"
#include "GxEPD2_BW.h"
#include "SPILock.h"
#include "main.h"
#include <SPI.h>
#if defined(HELTEC_WIRELESS_PAPER) || defined(HELTEC_WIRELESS_PAPER_V1_0)
SPIClass *hspi = NULL;
#endif
/*
The macros EINK_DISPLAY_MODEL, EINK_WIDTH, and EINK_HEIGHT are defined as build_flags in a variant's platformio.ini
Previously, these macros were defined at the top of this file.
#define COLORED GxEPD_BLACK
#define UNCOLORED GxEPD_WHITE
For archival reasons, note that the following configurations had also been tested during this period:
* ifdef RAK4631
- 4.2 inch
EINK_DISPLAY_MODEL: GxEPD2_420_M01
EINK_WIDTH: 300
EINK_WIDTH: 400
#if defined(TTGO_T_ECHO)
#define TECHO_DISPLAY_MODEL GxEPD2_154_D67
#elif defined(RAK4630)
- 2.9 inch
EINK_DISPLAY_MODEL: GxEPD2_290_T5D
EINK_WIDTH: 296
EINK_HEIGHT: 128
// GxEPD2_213_BN - RAK14000 2.13 inch b/w 250x122 - changed from GxEPD2_213_B74 - which was not going to give fast refresh
// support
#define TECHO_DISPLAY_MODEL GxEPD2_213_BN
// 4.2 inch 300x400 - GxEPD2_420_M01
// #define TECHO_DISPLAY_MODEL GxEPD2_420_M01
// 2.9 inch 296x128 - GxEPD2_290_T5D
// #define TECHO_DISPLAY_MODEL GxEPD2_290_T5D
// 1.54 inch 200x200 - GxEPD2_154_M09
// #define TECHO_DISPLAY_MODEL GxEPD2_154_M09
#elif defined(MAKERPYTHON)
// 2.9 inch 296x128 - GxEPD2_290_T5D
#define TECHO_DISPLAY_MODEL GxEPD2_290_T5D
#elif defined(PCA10059)
// 4.2 inch 300x400 - GxEPD2_420_M01
#define TECHO_DISPLAY_MODEL GxEPD2_420_M01
#elif defined(M5_COREINK)
// M5Stack CoreInk
// 1.54 inch 200x200 - GxEPD2_154_M09
#define TECHO_DISPLAY_MODEL GxEPD2_154_M09
#elif defined(HELTEC_WIRELESS_PAPER)
// #define TECHO_DISPLAY_MODEL GxEPD2_213_T5D
#define TECHO_DISPLAY_MODEL GxEPD2_213_FC1
#elif defined(HELTEC_WIRELESS_PAPER_V1_0)
// 2.13" 122x250 - DEPG0213BNS800
#define TECHO_DISPLAY_MODEL GxEPD2_213_BN
#endif
GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT> *adafruitDisplay;
- 1.54 inch
EINK_DISPLAY_MODEL: GxEPD2_154_M09
EINK_WIDTH: 200
EINK_HEIGHT: 200
*/
// Constructor
EInkDisplay::EInkDisplay(uint8_t address, int sda, int scl, OLEDDISPLAY_GEOMETRY geometry, HW_I2C i2cBus)
{
#if defined(TTGO_T_ECHO)
setGeometry(GEOMETRY_RAWMODE, 200, 200);
#elif defined(RAK4630)
// GxEPD2_213_BN - RAK14000 2.13 inch b/w 250x122
setGeometry(GEOMETRY_RAWMODE, 250, 122);
this->displayBufferSize = 250 * (128 / 8);
// GxEPD2_420_M01
// setGeometry(GEOMETRY_RAWMODE, 300, 400);
// GxEPD2_290_T5D
// setGeometry(GEOMETRY_RAWMODE, 296, 128);
// GxEPD2_154_M09
// setGeometry(GEOMETRY_RAWMODE, 200, 200);
#elif defined(HELTEC_WIRELESS_PAPER_V1_0)
// The display's memory is actually 128px x 250px
// Setting the buffersize manually prevents 122/8 truncating to a 15 byte width
// (Or something like that..)
// Set dimensions in OLEDDisplay base class
this->geometry = GEOMETRY_RAWMODE;
this->displayWidth = 250;
this->displayHeight = 122;
this->displayBufferSize = 250 * (128 / 8);
this->displayWidth = EINK_WIDTH;
this->displayHeight = EINK_HEIGHT;
#elif defined(HELTEC_WIRELESS_PAPER)
// GxEPD2_213_BN - 2.13 inch b/w 250x122
setGeometry(GEOMETRY_RAWMODE, 250, 122);
#elif defined(MAKERPYTHON)
// GxEPD2_290_T5D
setGeometry(GEOMETRY_RAWMODE, 296, 128);
// Round shortest side up to nearest byte, to prevent truncation causing an undersized buffer
uint16_t shortSide = min(EINK_WIDTH, EINK_HEIGHT);
uint16_t longSide = max(EINK_WIDTH, EINK_HEIGHT);
if (shortSide % 8 != 0)
shortSide = (shortSide | 7) + 1;
#elif defined(PCA10059)
// GxEPD2_420_M01
setGeometry(GEOMETRY_RAWMODE, 300, 400);
#elif defined(M5_COREINK)
// M5Stack_CoreInk 200x200
// 1.54 inch 200x200 - GxEPD2_154_M09
setGeometry(GEOMETRY_RAWMODE, EPD_HEIGHT, EPD_WIDTH);
#elif defined(my)
// GxEPD2_290_T5D
setGeometry(GEOMETRY_RAWMODE, 296, 128);
LOG_DEBUG("GEOMETRY_RAWMODE, 296, 128\n");
#elif defined(ESP32_S3_PICO)
// GxEPD2_290_T94_V2
setGeometry(GEOMETRY_RAWMODE, EPD_WIDTH, EPD_HEIGHT);
LOG_DEBUG("GEOMETRY_RAWMODE, 296, 128\n");
#endif
// setGeometry(GEOMETRY_RAWMODE, 128, 64); // old resolution
// setGeometry(GEOMETRY_128_64); // We originally used this because I wasn't sure if rawmode worked - it does
this->displayBufferSize = longSide * (shortSide / 8);
}
// FIXME quick hack to limit drawing to a very slow rate
uint32_t lastDrawMsec;
/**
* Force a display update if we haven't drawn within the specified msecLimit
*/
@ -131,13 +53,6 @@ bool EInkDisplay::forceDisplay(uint32_t msecLimit)
// No need to grab this lock because we are on our own SPI bus
// concurrency::LockGuard g(spiLock);
#if defined(USE_EINK_DYNAMIC_REFRESH)
// Decide between full refresh, fast refresh, or skipping the update
bool continueUpdate = determineRefreshMode();
if (!continueUpdate)
return false;
#else
uint32_t now = millis();
uint32_t sinceLast = now - lastDrawMsec;
@ -146,52 +61,34 @@ bool EInkDisplay::forceDisplay(uint32_t msecLimit)
else
return false;
#endif
// FIXME - only draw bits have changed (use backbuf similar to the other displays)
// tft.drawBitmap(0, 0, buffer, 128, 64, TFT_YELLOW, TFT_BLACK);
for (uint32_t y = 0; y < displayHeight; y++) {
for (uint32_t x = 0; x < displayWidth; x++) {
// get src pixel in the page based ordering the OLED lib uses FIXME, super inefficient
auto b = buffer[x + (y / 8) * displayWidth];
auto isset = b & (1 << (y & 7));
adafruitDisplay->drawPixel(x, y, isset ? COLORED : UNCOLORED);
adafruitDisplay->drawPixel(x, y, isset ? GxEPD_BLACK : GxEPD_WHITE);
}
}
LOG_DEBUG("Updating E-Paper... ");
#if defined(TTGO_T_ECHO)
adafruitDisplay->nextPage();
#elif defined(RAK4630) || defined(MAKERPYTHON)
// RAK14000 2.13 inch b/w 250x122 actually now does support fast refresh
#if false
// Currently unused; rescued from commented-out line during a refactor
// Use a meaningful macro here if variant doesn't want fast refresh
// Full update mode (slow)
// adafruitDisplay->display(false); // FIXME, use fast refresh mode
// Only enable for e-Paper with support for fast updates and comment out above adafruitDisplay->display(false);
// 1.54 inch 200x200 - GxEPD2_154_M09
// 2.13 inch 250x122 - GxEPD2_213_BN
// 2.9 inch 296x128 - GxEPD2_290_T5D
// 4.2 inch 300x400 - GxEPD2_420_M01
adafruitDisplay->nextPage();
#elif defined(PCA10059) || defined(M5_COREINK)
adafruitDisplay->nextPage();
#elif defined(HELTEC_WIRELESS_PAPER_V1_0)
adafruitDisplay->nextPage();
#elif defined(HELTEC_WIRELESS_PAPER)
adafruitDisplay->nextPage();
#elif defined(ESP32_S3_PICO)
adafruitDisplay->nextPage();
#elif defined(PRIVATE_HW) || defined(my)
adafruitDisplay->display(false)
#else
// Fast update mode
adafruitDisplay->nextPage();
#endif
#ifndef EINK_NO_HIBERNATE // Only hibernate if controller IC will preserve image memory
// Put screen to sleep to save power (possibly not necessary because we already did poweroff inside of display)
adafruitDisplay->hibernate();
LOG_DEBUG("done\n");
#endif
return true;
}
@ -203,15 +100,9 @@ void EInkDisplay::display(void)
// at least one forceDisplay() keyframe. This prevents flashing when we should the critical
// bootscreen (that we want to look nice)
#ifdef USE_EINK_DYNAMIC_REFRESH
lowPriority();
forceDisplay();
highPriority();
#else
if (lastDrawMsec) {
forceDisplay(slowUpdateMsec); // Show the first screen a few seconds after boot, then slower
}
#endif
}
// Send a command to the display (low level function)
@ -226,7 +117,7 @@ void EInkDisplay::setDetected(uint8_t detected)
(void)detected;
}
// Connect to the display
// Connect to the display - variant specific
bool EInkDisplay::connect()
{
LOG_INFO("Doing EInk init\n");
@ -244,9 +135,9 @@ bool EInkDisplay::connect()
#if defined(TTGO_T_ECHO)
{
auto lowLevel = new TECHO_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY, SPI1);
auto lowLevel = new EINK_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY, SPI1);
adafruitDisplay = new GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT>(*lowLevel);
adafruitDisplay = new GxEPD2_BW<EINK_DISPLAY_MODEL, EINK_DISPLAY_MODEL::HEIGHT>(*lowLevel);
adafruitDisplay->init();
adafruitDisplay->setRotation(3);
adafruitDisplay->setPartialWindow(0, 0, displayWidth, displayHeight);
@ -254,8 +145,8 @@ bool EInkDisplay::connect()
#elif defined(RAK4630) || defined(MAKERPYTHON)
{
if (eink_found) {
auto lowLevel = new TECHO_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);
adafruitDisplay = new GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT>(*lowLevel);
auto lowLevel = new EINK_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);
adafruitDisplay = new GxEPD2_BW<EINK_DISPLAY_MODEL, EINK_DISPLAY_MODEL::HEIGHT>(*lowLevel);
adafruitDisplay->init(115200, true, 10, false, SPI1, SPISettings(4000000, MSBFIRST, SPI_MODE0));
// RAK14000 2.13 inch b/w 250x122 does actually now support fast refresh
adafruitDisplay->setRotation(3);
@ -296,8 +187,8 @@ bool EInkDisplay::connect()
delay(100);
// Create GxEPD2 objects
auto lowLevel = new TECHO_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY, *hspi);
adafruitDisplay = new GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT>(*lowLevel);
auto lowLevel = new EINK_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY, *hspi);
adafruitDisplay = new GxEPD2_BW<EINK_DISPLAY_MODEL, EINK_DISPLAY_MODEL::HEIGHT>(*lowLevel);
// Init GxEPD2
adafruitDisplay->init();
@ -311,228 +202,36 @@ bool EInkDisplay::connect()
pinMode(Vext, OUTPUT);
digitalWrite(Vext, LOW);
delay(100);
auto lowLevel = new TECHO_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY, *hspi);
adafruitDisplay = new GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT>(*lowLevel);
auto lowLevel = new EINK_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY, *hspi);
adafruitDisplay = new GxEPD2_BW<EINK_DISPLAY_MODEL, EINK_DISPLAY_MODEL::HEIGHT>(*lowLevel);
adafruitDisplay->init();
adafruitDisplay->setRotation(3);
}
#elif defined(PCA10059)
{
auto lowLevel = new TECHO_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);
adafruitDisplay = new GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT>(*lowLevel);
auto lowLevel = new EINK_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);
adafruitDisplay = new GxEPD2_BW<EINK_DISPLAY_MODEL, EINK_DISPLAY_MODEL::HEIGHT>(*lowLevel);
adafruitDisplay->init(115200, true, 10, false, SPI1, SPISettings(4000000, MSBFIRST, SPI_MODE0));
adafruitDisplay->setRotation(3);
adafruitDisplay->setPartialWindow(0, 0, displayWidth, displayHeight);
}
#elif defined(M5_COREINK)
auto lowLevel = new TECHO_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);
adafruitDisplay = new GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT>(*lowLevel);
auto lowLevel = new EINK_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);
adafruitDisplay = new GxEPD2_BW<EINK_DISPLAY_MODEL, EINK_DISPLAY_MODEL::HEIGHT>(*lowLevel);
adafruitDisplay->init(115200, true, 40, false, SPI, SPISettings(4000000, MSBFIRST, SPI_MODE0));
adafruitDisplay->setRotation(0);
adafruitDisplay->setPartialWindow(0, 0, EPD_WIDTH, EPD_HEIGHT);
adafruitDisplay->setPartialWindow(0, 0, EINK_WIDTH, EINK_HEIGHT);
#elif defined(my) || defined(ESP32_S3_PICO)
{
auto lowLevel = new TECHO_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);
adafruitDisplay = new GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT>(*lowLevel);
auto lowLevel = new EINK_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);
adafruitDisplay = new GxEPD2_BW<EINK_DISPLAY_MODEL, EINK_DISPLAY_MODEL::HEIGHT>(*lowLevel);
adafruitDisplay->init(115200, true, 40, false, SPI, SPISettings(4000000, MSBFIRST, SPI_MODE0));
adafruitDisplay->setRotation(1);
adafruitDisplay->setPartialWindow(0, 0, EPD_WIDTH, EPD_HEIGHT);
adafruitDisplay->setPartialWindow(0, 0, EINK_WIDTH, EINK_HEIGHT);
}
#endif
// adafruitDisplay->setFullWindow();
// adafruitDisplay->fillScreen(UNCOLORED);
// adafruitDisplay->drawCircle(100, 100, 20, COLORED);
// adafruitDisplay->display(false);
return true;
}
// Use a mix of full refresh, fast refresh, and update skipping, to balance urgency and display health
#if defined(USE_EINK_DYNAMIC_REFRESH)
// Suggest that subsequent updates should use fast-refresh
void EInkDisplay::highPriority()
{
isHighPriority = true;
}
// Suggest that subsequent updates should use full-refresh
void EInkDisplay::lowPriority()
{
isHighPriority = false;
}
// Full-refresh is explicitly requested for next one update - no skipping please
void EInkDisplay::demandFullRefresh()
{
demandingFull = true;
}
// configure display for fast-refresh
void EInkDisplay::configForFastRefresh()
{
// Display-specific code can go here
#if defined(PRIVATE_HW)
#else
// Otherwise:
adafruitDisplay->setPartialWindow(0, 0, adafruitDisplay->width(), adafruitDisplay->height());
#endif
}
// Configure display for full-refresh
void EInkDisplay::configForFullRefresh()
{
// Display-specific code can go here
#if defined(PRIVATE_HW)
#else
// Otherwise:
adafruitDisplay->setFullWindow();
#endif
}
#ifdef EINK_FASTREFRESH_ERASURE_LIMIT
// Count black pixels in an image. Used for "erasure tracking"
int32_t EInkDisplay::countBlackPixels()
{
int32_t blackCount = 0; // Signed, to avoid underflow when comparing
for (uint16_t b = 0; b < (displayWidth / 8) * displayHeight; b++) {
for (uint8_t i = 0; i < 7; i++) {
// Check if each bit is black or white
blackCount += (buffer[b] >> i) & 1;
}
}
return blackCount;
}
// Evaluate the (rough) amount of black->white pixel change since last full refresh
bool EInkDisplay::tooManyErasures()
{
// Ideally, we would compare the new and old buffers, to count *actual* white-to-black pixel changes
// but that would require substantially more "code tampering"
// Get the black pixel stats for this image
int32_t blackCount = countBlackPixels();
int32_t blackDifference = blackCount - prevBlackCount;
// Update the running total of "erasures" - black pixels which have become white, since last full-refresh
if (blackDifference < 0)
erasedSinceFull -= blackDifference;
// Store black pixel count for next time
prevBlackCount = blackCount;
// Log the running total - help devs setup new boards
LOG_DEBUG("Dynamic Refresh: erasedSinceFull=%hu, EINK_FASTREFRESH_ERASURE_LIMIT=%hu\n", erasedSinceFull,
EINK_FASTREFRESH_ERASURE_LIMIT);
// Check if too many pixels have been erased
if (erasedSinceFull > EINK_FASTREFRESH_ERASURE_LIMIT)
return true; // Too many
else
return false; // Still okay
}
#endif // ifdef EINK_FASTREFRESH_ERASURE_LIMIT
bool EInkDisplay::newImageMatchesOld()
{
uint32_t newImageHash = 0;
// Generate hash: sum all bytes in the image buffer
for (uint16_t b = 0; b < (displayWidth / 8) * displayHeight; b++) {
newImageHash += buffer[b];
}
// Compare hashes
bool hashMatches = (newImageHash == prevImageHash);
// Update the cached hash
prevImageHash = newImageHash;
// Return the comparison result
return hashMatches;
}
// Choose between, full-refresh, fast refresh, and update skipping, to balance urgency and display health.
bool EInkDisplay::determineRefreshMode()
{
uint32_t now = millis();
uint32_t sinceLast = now - lastUpdateMsec;
// If rate-limiting dropped a high-priority update:
// promote this update, so it runs ASAP
if (missedHighPriorityUpdate) {
isHighPriority = true;
missedHighPriorityUpdate = false;
}
// Abort: if too soon for a new frame (unless demanding full)
if (!demandingFull && isHighPriority && fastRefreshCount > 0 && sinceLast < highPriorityLimitMsec) {
LOG_DEBUG("Dynamic Refresh: update skipped. Exceeded EINK_HIGHPRIORITY_LIMIT_SECONDS\n");
missedHighPriorityUpdate = true;
return false;
}
if (!demandingFull && !isHighPriority && !demandingFull && sinceLast < lowPriorityLimitMsec) {
return false;
}
// If demanded full refresh: give it to them
if (demandingFull)
needsFull = true;
// Check if old image (fast-refresh) should be redrawn (as full), for image quality
if (fastRefreshCount > 0 && !isHighPriority)
needsFull = true;
// If too many fast updates, require a full-refresh (display health)
if (fastRefreshCount >= fastRefreshLimit)
needsFull = true;
#ifdef EINK_FASTREFRESH_ERASURE_LIMIT
// Some displays struggle with erasing black pixels to white, during fast-refresh
if (tooManyErasures())
needsFull = true;
#endif
// If image matches
// (Block must run, even if full already selected, to store hash for next time)
if (newImageMatchesOld()) {
// If low priority: limit rate
// otherwise, every loop() will run the hash method
if (!isHighPriority)
lastUpdateMsec = now;
// If update is *not* for display health or image quality, skip it
if (!needsFull)
return false;
}
// Conditions assessed - not skipping - load the appropriate config
// If options require a full refresh
if (!isHighPriority || needsFull) {
if (fastRefreshCount > 0)
configForFullRefresh();
LOG_DEBUG("Dynamic Refresh: conditions met for full-refresh\n");
fastRefreshCount = 0;
needsFull = false;
demandingFull = false;
erasedSinceFull = 0; // Reset the count for EINK_FASTREFRESH_ERASURE_LIMIT - tracks ghosting buildup
}
// If options allow a fast-refresh
else {
if (fastRefreshCount == 0)
configForFastRefresh();
LOG_DEBUG("Dynamic Refresh: conditions met for fast-refresh\n");
fastRefreshCount++;
}
lastUpdateMsec = now; // Mark time for rate limiting
return true; // Instruct calling method to continue with update
}
#endif // End USE_EINK_DYNAMIC_REFRESH
#endif

View File

@ -1,5 +1,8 @@
#pragma once
#ifdef USE_EINK
#include "GxEPD2_BW.h"
#include <OLEDDisplay.h>
#if defined(HELTEC_WIRELESS_PAPER_V1_0)
@ -16,6 +19,7 @@
* Use the fast NRF52 SPI API rather than the slow standard arduino version
*
* turn radio back on - currently with both on spi bus is fucked? or are we leaving chip select asserted?
* Suggestion: perhaps similar to HELTEC_WIRELESS_PAPER issue, which resolved with rtc_gpio_hold_dis()
*/
class EInkDisplay : public OLEDDisplay
{
@ -55,80 +59,17 @@ class EInkDisplay : public OLEDDisplay
// Connect to the display
virtual bool connect() override;
#if defined(USE_EINK_DYNAMIC_REFRESH)
// Full, fast, or skip: balance urgency with display health
// AdafruitGFX display object - instantiated in connect(), variant specific
GxEPD2_BW<EINK_DISPLAY_MODEL, EINK_DISPLAY_MODEL::HEIGHT> *adafruitDisplay = NULL;
// Use fast refresh if EITHER:
// * highPriority() was set
// * a highPriority() update was previously skipped, for rate-limiting - (EINK_HIGHPRIORITY_LIMIT_SECONDS)
// Use full refresh if EITHER:
// * lowPriority() was set
// * demandFullRefresh() was called - (single shot)
// * too many fast updates in a row: protect display - (EINK_FASTREFRESH_REPEAT_LIMIT)
// * no recent updates, and last update was fast: redraw for image quality (EINK_LOWPRIORITY_LIMIT_SECONDS)
// * (optional) too many "erasures" since full-refresh (black pixels cleared to white)
// Rate limit if:
// * lowPriority() - (EINK_LOWPRIORITY_LIMIT_SECONDS)
// * highPriority(), if multiple fast updates have run back-to-back - (EINK_HIGHPRIORITY_LIMIT_SECONDS)
// Skip update entirely if ALL criteria met:
// * new image matches old image
// * lowPriority()
// * no call to demandFullRefresh()
// * not redrawing for image quality
// * not refreshing for display health
// ------------------------------------
// To implement for your E-Ink display:
// * edit configForFastRefresh()
// * edit configForFullRefresh()
// * add macros to variant.h, and adjust to taste:
/*
#define USE_EINK_DYNAMIC_REFRESH
#define EINK_LOWPRIORITY_LIMIT_SECONDS 30
#define EINK_HIGHPRIORITY_LIMIT_SECONDS 1
#define EINK_FASTREFRESH_REPEAT_LIMIT 5
#define EINK_FASTREFRESH_ERASURE_LIMIT 300 // optional
*/
public:
void highPriority(); // Suggest fast refresh
void lowPriority(); // Suggest full refresh
void demandFullRefresh(); // For next update: explicitly request full refresh
protected:
void configForFastRefresh(); // Display specific code to select fast refresh mode
void configForFullRefresh(); // Display specific code to return to full refresh mode
bool newImageMatchesOld(); // Is the new update actually different to the last image?
bool determineRefreshMode(); // Called immediately before data written to display - choose refresh mode, or abort update
#ifdef EINK_FASTREFRESH_ERASURE_LIMIT
int32_t countBlackPixels(); // Calculate the number of black pixels in the new image
bool tooManyErasures(); // Has too much "ghosting" (black pixels erased to white) accumulated since last full-refresh?
// If display uses HSPI
#if defined(HELTEC_WIRELESS_PAPER) || defined(HELTEC_WIRELESS_PAPER_V1_0)
SPIClass *hspi = NULL;
#endif
bool isHighPriority = true; // Does the method calling update believe that this is urgent?
bool needsFull = false; // Is a full refresh forced? (display health)
bool demandingFull = false; // Was full refresh specifically requested? (splash screens, etc)
bool missedHighPriorityUpdate = false; // Was a high priority update skipped for rate-limiting?
uint16_t fastRefreshCount = 0; // How many fast updates have occurred since last full refresh?
uint32_t lastUpdateMsec = 0; // When did the last update occur?
uint32_t prevImageHash = 0; // Used to check if update will change screen image (skippable or not)
int32_t prevBlackCount = 0; // How many black pixels were in the previous image
uint32_t erasedSinceFull = 0; // How many black pixels have been set back to white since last full-refresh? (roughly)
// Set in variant.h
const uint32_t lowPriorityLimitMsec = (uint32_t)1000 * EINK_LOWPRIORITY_LIMIT_SECONDS; // Max rate for fast refreshes
const uint32_t highPriorityLimitMsec = (uint32_t)1000 * EINK_HIGHPRIORITY_LIMIT_SECONDS; // Max rate for full refreshes
const uint32_t fastRefreshLimit = EINK_FASTREFRESH_REPEAT_LIMIT; // Max consecutive fast updates, before full is triggered
#else // !USE_EINK_DYNAMIC_REFRESH
// Tolerate calls to these methods anywhere, just to be safe
void highPriority() {}
void lowPriority() {}
void demandFullRefresh() {}
#endif
private:
// FIXME quick hack to limit drawing to a very slow rate
uint32_t lastDrawMsec = 0;
};
#endif

View File

@ -4,6 +4,9 @@ board = nordic_pca10059
board_level = extra
build_flags = ${nrf52840_base.build_flags} -Ivariants/Dongle_nRF52840-pca10059-v1 -D NORDIC_PCA10059
-L "${platformio.libdeps_dir}/${this.__env__}/BSEC2 Software Library/src/cortex-m4/fpv4-sp-d16-hard"
-DEINK_DISPLAY_MODEL=GxEPD2_420_M01
-DEINK_WIDTH=300
-DEINK_HEIGHT=400
build_src_filter = ${nrf52_base.build_src_filter} +<../variants/Dongle_nRF52840-pca10059-v1>
lib_deps =
${nrf52840_base.lib_deps}

View File

@ -10,5 +10,8 @@ lib_deps =
${nrf52840_base.lib_deps}
https://github.com/meshtastic/ESP32_Codec2.git#633326c78ac251c059ab3a8c430fcdf25b41672f
zinggjm/GxEPD2@^1.4.9
-DEINK_DISPLAY_MODEL=GxEPD2_290_T5D
-DEINK_WIDTH=296
-DEINK_HEIGHT=128
debug_tool = jlink
;upload_port = /dev/ttyACM4

View File

@ -16,9 +16,9 @@ build_flags = ${esp32_base.build_flags}
;-DPRIVATE_HW
-Ivariants/esp32-s3-pico
-DBOARD_HAS_PSRAM
-DTECHO_DISPLAY_MODEL=GxEPD2_290_T94_V2
-DEPD_HEIGHT=128
-DEPD_WIDTH=296
-DEINK_DISPLAY_MODEL=GxEPD2_290_T94_V2
-DEINK_WIDTH=296
-DEINK_HEIGHT=128
lib_deps = ${esp32s3_base.lib_deps}
zinggjm/GxEPD2@^1.5.3

View File

@ -2,7 +2,12 @@
extends = esp32s3_base
board = heltec_wifi_lora_32_V3
build_flags =
${esp32s3_base.build_flags} -D HELTEC_WIRELESS_PAPER -I variants/heltec_wireless_paper
${esp32s3_base.build_flags}
-I variants/heltec_wireless_paper
-D HELTEC_WIRELESS_PAPER
-D EINK_DISPLAY_MODEL=GxEPD2_213_FC1
-D EINK_WIDTH=250
-D EINK_HEIGHT=122
lib_deps =
${esp32s3_base.lib_deps}
https://github.com/ixt/GxEPD2#39f325b677713eb04dfcc83b8e402e77523fb8bf

View File

@ -5,6 +5,9 @@ build_flags =
${esp32s3_base.build_flags}
-I variants/heltec_wireless_paper_v1
-D HELTEC_WIRELESS_PAPER_V1_0
-D EINK_DISPLAY_MODEL=GxEPD2_213_BN
-D EINK_WIDTH=250
-D EINK_HEIGHT=122
lib_deps =
${esp32s3_base.lib_deps}
https://github.com/meshtastic/GxEPD2/

View File

@ -6,13 +6,6 @@
#define USE_EINK
// Settings for Dynamic Refresh mode
// Change between full-refresh, fast-refresh, or update-skipping, to balance urgency and display health.
#define USE_EINK_DYNAMIC_REFRESH
#define EINK_LOWPRIORITY_LIMIT_SECONDS 30
#define EINK_HIGHPRIORITY_LIMIT_SECONDS 1
#define EINK_FASTREFRESH_REPEAT_LIMIT 5
/*
* eink display pins
*/

View File

@ -9,8 +9,9 @@ build_flags =
;-D RADIOLIB_VERBOSE
-Ofast
-D__MCUXPRESSO
-DEPD_HEIGHT=200
-DEPD_WIDTH=200
-DEINK_DISPLAY_MODEL=GxEPD2_154_M09
-DEINK_WIDTH=200
-DEINK_HEIGHT=200
-DUSER_SETUP_LOADED
-DM5_COREINK
-DM5STACK

View File

@ -19,9 +19,9 @@ build_flags =
;${esp32_base.build_flags} -D MY_ESP32S3_DIY -I variants/my_esp32s3_diy_eink
${esp32_base.build_flags} -D PRIVATE_HW -I variants/my_esp32s3_diy_eink
-Dmy
-DTECHO_DISPLAY_MODEL=GxEPD2_290_T5D
-DEPD_HEIGHT=128
-DEPD_WIDTH=296
-DEINK_DISPLAY_MODEL=GxEPD2_290_T5D
-DEINK_WIDTH=296
-DEINK_HEIGHT=128
-DBOARD_HAS_PSRAM
-mfix-esp32-psram-cache-issue
-DARDUINO_USB_MODE=0

View File

@ -5,6 +5,9 @@ board = wiscore_rak4631
build_flags = ${nrf52840_base.build_flags} -Ivariants/rak10701 -D RAK_4631
-L "${platformio.libdeps_dir}/${this.__env__}/BSEC2 Software Library/src/cortex-m4/fpv4-sp-d16-hard"
-DGPS_POWER_TOGGLE ; comment this line to disable triple press function on the user button to turn off gps entirely.
-DEINK_DISPLAY_MODEL=GxEPD2_213_BN
-DEINK_WIDTH=250
-DEINK_HEIGHT=122
build_src_filter = ${nrf52_base.build_src_filter} +<../variants/rak10701> +<mesh/eth/> +<mesh/api/> +<mqtt/>
lib_deps =
${nrf52840_base.lib_deps}

View File

@ -5,6 +5,9 @@ board = wiscore_rak4631
build_flags = ${nrf52840_base.build_flags} -Ivariants/rak4631 -D RAK_4631
-L "${platformio.libdeps_dir}/${this.__env__}/BSEC2 Software Library/src/cortex-m4/fpv4-sp-d16-hard"
-DGPS_POWER_TOGGLE ; comment this line to disable triple press function on the user button to turn off gps entirely.
-DEINK_DISPLAY_MODEL=GxEPD2_213_BN
-DEINK_WIDTH=250
-DEINK_HEIGHT=122
build_src_filter = ${nrf52_base.build_src_filter} +<../variants/rak4631> +<mesh/eth/> +<mesh/api/> +<mqtt/>
lib_deps =
${nrf52840_base.lib_deps}

View File

@ -4,6 +4,9 @@ extends = nrf52840_base
board = wiscore_rak4631
build_flags = ${nrf52840_base.build_flags} -Ivariants/rak4631_epaper -D RAK_4631
-L "${platformio.libdeps_dir}/${this.__env__}/BSEC2 Software Library/src/cortex-m4/fpv4-sp-d16-hard"
-DEINK_DISPLAY_MODEL=GxEPD2_213_BN
-DEINK_WIDTH=250
-DEINK_HEIGHT=122
build_src_filter = ${nrf52_base.build_src_filter} +<../variants/rak4631_epaper>
lib_deps =
${nrf52840_base.lib_deps}

View File

@ -6,6 +6,9 @@ board = wiscore_rak4631
build_flags = ${nrf52840_base.build_flags} -Ivariants/rak4631_epaper -D RAK_4631
-L "${platformio.libdeps_dir}/${this.__env__}/BSEC2 Software Library/src/cortex-m4/fpv4-sp-d16-hard"
-D PIN_EINK_EN=34
-D EINK_DISPLAY_MODEL=GxEPD2_213_BN
-D EINK_WIDTH=250
-D EINK_HEIGHT=122
build_src_filter = ${nrf52_base.build_src_filter} +<../variants/rak4631_epaper_onrxtx>
lib_deps =
${nrf52840_base.lib_deps}

View File

@ -8,6 +8,9 @@ debug_tool = jlink
build_flags = ${nrf52840_base.build_flags} -Ivariants/t-echo
-DGPS_POWER_TOGGLE
-L "${platformio.libdeps_dir}/${this.__env__}/BSEC2 Software Library/src/cortex-m4/fpv4-sp-d16-hard"
-DEINK_DISPLAY_MODEL=GxEPD2_154_D67
-DEINK_WIDTH=200
-DEINK_HEIGHT=200
build_src_filter = ${nrf52_base.build_src_filter} +<../variants/t-echo>
lib_deps =
${nrf52840_base.lib_deps}