Version 1.3.4

- added support for GDEH116T91 960x640 b/w e-paper panel - GDEH116T91 has only full screen refresh, no wavetable for differential refresh yet - added support for processor Arduino Nano RP2040 Connect to the examples - added general fast b/w refresh for capable 3-color displays GDEW0213Z19, GDEW029Z13 - added example GxEPD2x_FastBlackWhiteOnColor.ino for GDEW0213Z19, GDEW029Z13 - evaluation of other fast b/w capable 3-color panels may follow
ZinggJM · Jun 8, 2021 · 74079a8 · 74079a8
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diff --git a/README.md b/README.md
@@ -90,6 +90,7 @@
 - GDEW075Z09     7.5" b/w/r
 - GDEW075Z08     7.5" b/w/r 800x480
 - GDEH075Z90     7.5" b/w/r 880x528
+- GDEH116T91    11.6" b/w 960x640
 - GDEW1248T3    12.48 b/w 1304x984
 #### Supported SPI e-paper panels & boards from Waveshare: compare with Good Display, same panel
 #### other supported panels
@@ -100,7 +101,14 @@
 - promotion panels from suppliers are welcome, to add support to GxEPD2
 - donation panels from users are welcome, to add support to GxEPD2
 
-### Version 1.3.3
+### Version 1.3.4
+- added support for GDEH116T91 960x640 b/w e-paper panel
+- GDEH116T91 has only full screen refresh, no wavetable for differential refresh yet
+- added support for processor Arduino Nano RP2040 Connect to the examples
+- added general fast b/w refresh for capable 3-color displays GDEW0213Z19, GDEW029Z13
+- added example GxEPD2x_FastBlackWhiteOnColor.ino for GDEW0213Z19, GDEW029Z13
+- evaluation of other fast b/w capable 3-color panels may follow
+#### Version 1.3.3
 - added b/w differential refresh method to GDEW0213Z19
 - added b/w differential refresh method to GDEW029Z13
 - up to 100 b/w fast refreshes have been possible (resulting in slightly reddish background)

diff --git a/examples/GxEPD2_Example/GxEPD2_Example.ino b/examples/GxEPD2_Example/GxEPD2_Example.ino
@@ -61,7 +61,7 @@
 #include "bitmaps/Bitmaps3c128x296.h" // 2.9"  b/w/r
 #include "bitmaps/Bitmaps3c176x264.h" // 2.7"  b/w/r
 #include "bitmaps/Bitmaps3c400x300.h" // 4.2"  b/w/r
-#if defined(ESP8266) || defined(ESP32)
+#if defined(ESP8266) || defined(ESP32) || defined(ARDUINO_ARCH_RP2040)
 #include "bitmaps/Bitmaps3c800x480.h" // 7.5"  b/w/r
 #include "bitmaps/Bitmaps3c880x528.h" // 7.5"  b/w/r
 #include "bitmaps/WS_Bitmaps800x600.h" // 6.0"  grey

diff --git a/examples/GxEPD2_Example/GxEPD2_display_selection.h b/examples/GxEPD2_Example/GxEPD2_display_selection.h
@@ -42,6 +42,7 @@
 //GxEPD2_BW < GxEPD2_583_T8, GxEPD2_583_T8::HEIGHT / 2 > display(GxEPD2_583_T8(/*CS=D8*/ SS, /*DC=D3*/ 0, /*RST=D4*/ 2, /*BUSY=D2*/ 4)); // GDEW0583T8  648x480
 //GxEPD2_BW < GxEPD2_750, GxEPD2_750::HEIGHT / 2 > display(GxEPD2_750(/*CS=D8*/ SS, /*DC=D3*/ 0, /*RST=D4*/ 2, /*BUSY=D2*/ 4)); // GDEW075T8   640x384
 //GxEPD2_BW < GxEPD2_750_T7, GxEPD2_750_T7::HEIGHT / 2 > display(GxEPD2_750_T7(/*CS=D8*/ SS, /*DC=D3*/ 0, /*RST=D4*/ 2, /*BUSY=D2*/ 4)); // GDEW075T7 800x480
+//GxEPD2_BW < GxEPD2_1160_T91, GxEPD2_1160_T91::HEIGHT / 2 > display(GxEPD2_1160_T91(/*CS=D8*/ SS, /*DC=D3*/ 0, /*RST=D4*/ 2, /*BUSY=D2*/ 4)); // GDEH116T91 960x640
 // 3-color e-papers
 //GxEPD2_3C<GxEPD2_154c, GxEPD2_154c::HEIGHT> display(GxEPD2_154c(/*CS=D8*/ SS, /*DC=D3*/ 0, /*RST=D4*/ 2, /*BUSY=D2*/ 4)); // GDEW0154Z04 no longer available
 //GxEPD2_3C<GxEPD2_154_Z90c, GxEPD2_154_Z90c::HEIGHT> display(GxEPD2_154_Z90c(/*CS=D8*/ SS, /*DC=D3*/ 0, /*RST=D4*/ 2, /*BUSY=D2*/ 4)); // GDEH0154Z90
@@ -96,6 +97,7 @@
 //GxEPD2_BW < GxEPD2_583_T8, GxEPD2_583_T8::HEIGHT / 2 > display(GxEPD2_583_T8(/*CS=15*/ SS, /*DC=4*/ 4, /*RST=2*/ 2, /*BUSY=5*/ 5)); // GDEW0583T8  648x480
 //GxEPD2_BW < GxEPD2_750, GxEPD2_750::HEIGHT / 2 > display(GxEPD2_750(/*CS=15*/ SS, /*DC=4*/ 4, /*RST=2*/ 2, /*BUSY=5*/ 5)); // GDEW075T8   640x384
 //GxEPD2_BW < GxEPD2_750_T7, GxEPD2_750_T7::HEIGHT / 2 > display(GxEPD2_750_T7(/*CS=15*/ SS, /*DC=4*/ 4, /*RST=2*/ 2, /*BUSY=5*/ 5)); // GDEW075T7 800x480
+//GxEPD2_BW < GxEPD2_1160_T91, GxEPD2_1160_T91::HEIGHT / 2 > display(GxEPD2_1160_T91(/*CS=15*/ SS, /*DC=4*/ 4, /*RST=2*/ 2, /*BUSY=5*/ 5)); // GDEH116T91 960x640
 // 3-color e-papers
 //GxEPD2_3C<GxEPD2_154c, GxEPD2_154c::HEIGHT> display(GxEPD2_154c(/*CS=15*/ SS, /*DC=4*/ 4, /*RST=2*/ 2, /*BUSY=5*/ 5)); // GDEW0154Z04 no longer available
 //GxEPD2_3C<GxEPD2_154_Z90c, GxEPD2_154_Z90c::HEIGHT> display(GxEPD2_154_Z90c(/*CS=15*/ SS, /*DC=4*/ 4, /*RST=2*/ 2, /*BUSY=5*/ 5)); // GDEH0154Z90
@@ -144,6 +146,7 @@
 //GxEPD2_BW<GxEPD2_583_T8, GxEPD2_583_T8::HEIGHT> display(GxEPD2_583_T8(/*CS=5*/ SS, /*DC=*/ 17, /*RST=*/ 16, /*BUSY=*/ 4)); // GDEW0583T8  648x480
 //GxEPD2_BW<GxEPD2_750, GxEPD2_750::HEIGHT> display(GxEPD2_750(/*CS=5*/ SS, /*DC=*/ 17, /*RST=*/ 16, /*BUSY=*/ 4)); // GDEW075T8   640x384
 //GxEPD2_BW<GxEPD2_750_T7, GxEPD2_750_T7::HEIGHT> display(GxEPD2_750_T7(/*CS=5*/ SS, /*DC=*/ 17, /*RST=*/ 16, /*BUSY=*/ 4)); // GDEW075T7 800x480
+//GxEPD2_BW < GxEPD2_1160_T91, GxEPD2_1160_T91::HEIGHT / 2> display(GxEPD2_1160_T91(/*CS=5*/ SS, /*DC=*/ 17, /*RST=*/ 16, /*BUSY=*/ 4)); // GDEH116T91 960x640
 // 3-color e-papers
 //GxEPD2_3C<GxEPD2_154c, GxEPD2_154c::HEIGHT> display(GxEPD2_154c(/*CS=5*/ SS, /*DC=*/ 17, /*RST=*/ 16, /*BUSY=*/ 4)); // GDEW0154Z04 no longer available
 //GxEPD2_3C<GxEPD2_154_Z90c, GxEPD2_154_Z90c::HEIGHT> display(GxEPD2_154_Z90c(/*CS=5*/ SS, /*DC=*/ 17, /*RST=*/ 16, /*BUSY=*/ 4)); // GDEH0154Z90
@@ -206,6 +209,7 @@
 //GxEPD2_BW <GxEPD2_583_T8,  MAX_HEIGHT(GxEPD2_583_T8)> display(GxEPD2_583_T8(/*CS=4*/ SS, /*DC=*/ 3, /*RST=*/ 2, /*BUSY=*/ 1)); // GDEW0583T8  648x480
 //GxEPD2_BW<GxEPD2_750, MAX_HEIGHT(GxEPD2_750)> display(GxEPD2_750(/*CS=4*/ SS, /*DC=*/ 3, /*RST=*/ 2, /*BUSY=*/ 1)); // GDEW075T8   640x384
 //GxEPD2_BW<GxEPD2_750_T7, MAX_HEIGHT(GxEPD2_750_T7)> display(GxEPD2_750_T7(/*CS=4*/ SS, /*DC=*/ 3, /*RST=*/ 2, /*BUSY=*/ 1)); // GDEW075T7 800x480
+//GxEPD2_BW < GxEPD2_1160_T91, MAX_HEIGHT(GxEPD2_1160_T91)> display(GxEPD2_1160_T91(/*CS=4*/ SS, /*DC=*/ 3, /*RST=*/ 2, /*BUSY=*/ 1)); // GDEH116T91 960x640
 // 3-color e-papers
 #define MAX_HEIGHT_3C(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
 //GxEPD2_3C<GxEPD2_154c, MAX_HEIGHT_3C(GxEPD2_154c)> display(GxEPD2_154c(/*CS=4*/ SS, /*DC=*/ 3, /*RST=*/ 2, /*BUSY=*/ 1)); // GDEW0154Z04 no longer available
@@ -260,6 +264,7 @@
 //GxEPD2_BW <GxEPD2_583_T8,  MAX_HEIGHT(GxEPD2_583_T8)> display(GxEPD2_583_T8(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0583T8  648x480
 //GxEPD2_BW<GxEPD2_750, MAX_HEIGHT(GxEPD2_750)> display(GxEPD2_750(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW075T8   640x384
 //GxEPD2_BW<GxEPD2_750_T7, MAX_HEIGHT(GxEPD2_750_T7)> display(GxEPD2_750_T7(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW075T7 800x480
+//GxEPD2_BW < GxEPD2_1160_T91, MAX_HEIGHT(GxEPD2_1160_T91)> display(GxEPD2_1160_T91(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEH116T91 960x640
 // 3-color e-papers
 #define MAX_HEIGHT_3C(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
 //GxEPD2_3C<GxEPD2_154c, MAX_HEIGHT_3C(GxEPD2_154c)> display(GxEPD2_154c(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0154Z04 no longer available
@@ -311,6 +316,7 @@
 //GxEPD2_BW <GxEPD2_583_T8, MAX_HEIGHT(GxEPD2_583_T8)> display(GxEPD2_583_T8(/*CS=10*/ SS, /*DC=*/ 9, /*RST=*/ 8, /*BUSY=*/ 7)); // GDEW0583T8  648x480
 //GxEPD2_BW<GxEPD2_750, MAX_HEIGHT(GxEPD2_750)> display(GxEPD2_750(/*CS=10*/ SS, /*DC=*/ 9, /*RST=*/ 8, /*BUSY=*/ 7)); // GDEW075T8   640x384
 //GxEPD2_BW<GxEPD2_750_T7, MAX_HEIGHT(GxEPD2_750_T7)> display(GxEPD2_750_T7(/*CS=10*/ SS, /*DC=*/ 9, /*RST=*/ 8, /*BUSY=*/ 7)); // GDEW075T7 800x480
+//GxEPD2_BW < GxEPD2_1160_T91, MAX_HEIGHT(GxEPD2_1160_T91)> display(GxEPD2_1160_T91(/*CS=10*/ SS, /*DC=*/ 9, /*RST=*/ 8, /*BUSY=*/ 7)); // GDEH116T91 960x640
 // 3-color e-papers
 #define MAX_HEIGHT_3C(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
 //GxEPD2_3C<GxEPD2_154c, MAX_HEIGHT_3C(GxEPD2_154c)> display(GxEPD2_154c(/*CS=10*/ SS, /*DC=*/ 9, /*RST=*/ 8, /*BUSY=*/ 7)); // GDEW0154Z04 no longer available

diff --git a/examples/GxEPD2_Example/GxEPD2_display_selection_added.h b/examples/GxEPD2_Example/GxEPD2_display_selection_added.h
@@ -46,6 +46,7 @@
 //GxEPD2_BW<GxEPD2_583_T8, MAX_HEIGHT(GxEPD2_583_T8)> display(GxEPD2_583_T8(/*CS=77*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7));
 //GxEPD2_BW<GxEPD2_750, MAX_HEIGHT(GxEPD2_750)> display(GxEPD2_750(/*CS=77*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7));
 //GxEPD2_BW<GxEPD2_750_T7, MAX_HEIGHT(GxEPD2_750_T7)> display(GxEPD2_750_T7(/*CS=77*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW075T7 800x480
+//GxEPD2_BW < GxEPD2_1160_T91, MAX_HEIGHT(GxEPD2_1160_T91)> display(GxEPD2_1160_T91(/*CS=77*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEH116T91 960x640
 // 3-color e-papers
 #define MAX_HEIGHT_3C(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
 //GxEPD2_3C<GxEPD2_154c, MAX_HEIGHT_3C(GxEPD2_154c)> display(GxEPD2_154c(/*CS=77*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0154Z04 no longer available
@@ -105,6 +106,7 @@
 //GxEPD2_BW<GxEPD2_583_T8, MAX_HEIGHT(GxEPD2_583_T8)> display(GxEPD2_583_T8(/*CS=4*/ 4, /*DC=*/ 7, /*RST=*/ 6, /*BUSY=*/ 5));
 //GxEPD2_BW<GxEPD2_750, MAX_HEIGHT(GxEPD2_750)> display(GxEPD2_750(/*CS=4*/ 4, /*DC=*/ 7, /*RST=*/ 6, /*BUSY=*/ 5));
 //GxEPD2_BW<GxEPD2_750_T7, MAX_HEIGHT(GxEPD2_750_T7)> display(GxEPD2_750_T7(/*CS=4*/ 4, /*DC=*/ 7, /*RST=*/ 6, /*BUSY=*/ 5)); // GDEW075T7 800x480
+//GxEPD2_BW < GxEPD2_1160_T91, MAX_HEIGHT(GxEPD2_1160_T91)> display(GxEPD2_1160_T91(/*CS=4*/ 4, /*DC=*/ 7, /*RST=*/ 6, /*BUSY=*/ 5)); // GDEH116T91 960x640
 // 3-color e-papers
 #define MAX_HEIGHT_3C(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
 //GxEPD2_3C<GxEPD2_154c, MAX_HEIGHT_3C(GxEPD2_154c)> display(GxEPD2_154c(/*CS=4*/ 4, /*DC=*/ 7, /*RST=*/ 6, /*BUSY=*/ 5)); // GDEW0154Z04 no longer available
@@ -160,6 +162,7 @@
 //GxEPD2_BW<GxEPD2_583_T8, GxEPD2_583_T8::HEIGHT> display(GxEPD2_583_T8(/*CS=5*/ 5, /*DC=*/ 0, /*RST=*/ 2, /*BUSY=*/ 15));
 //GxEPD2_BW<GxEPD2_750, GxEPD2_750::HEIGHT> display(GxEPD2_750(/*CS=5*/ 5, /*DC=*/ 0, /*RST=*/ 2, /*BUSY=*/ 15));
 //GxEPD2_BW<GxEPD2_750_T7, GxEPD2_750_T7::HEIGHT> display(GxEPD2_750_T7(/*CS=5*/ 5, /*DC=*/ 0, /*RST=*/ 2, /*BUSY=*/ 15)); // GDEW075T7 800x480
+//GxEPD2_BW < GxEPD2_1160_T91, GxEPD2_1160_T91::HEIGHT / 2> display(GxEPD2_1160_T91(/*CS=5*/ 5, /*DC=*/ 0, /*RST=*/ 2, /*BUSY=*/ 15)); // GDEH116T91 960x640
 // 3-color e-papers
 //GxEPD2_3C<GxEPD2_154c, GxEPD2_154c::HEIGHT> display(GxEPD2_154c(/*CS=5*/ 5, /*DC=*/ 0, /*RST=*/ 2, /*BUSY=*/ 15)); // GDEW0154Z04 no longer available
 //GxEPD2_3C<GxEPD2_154_Z90c, GxEPD2_154_Z90c::HEIGHT> display(GxEPD2_154_Z90c(/*CS=5*/ 5, /*DC=*/ 0, /*RST=*/ 2, /*BUSY=*/ 15)); // GDEH0154Z90
@@ -213,6 +216,7 @@
 //GxEPD2_BW<GxEPD2_583_T8, GxEPD2_583_T8::HEIGHT> display(GxEPD2_583_T8(/*CS=5*/ 5, /*DC=*/ 2, /*RST=*/ 0, /*BUSY=*/ 4));
 //GxEPD2_BW<GxEPD2_750, GxEPD2_750::HEIGHT> display(GxEPD2_750(/*CS=5*/ 5, /*DC=*/ 2, /*RST=*/ 0, /*BUSY=*/ 4));
 //GxEPD2_BW<GxEPD2_750_T7, GxEPD2_750_T7::HEIGHT> display(GxEPD2_750_T7(/*CS=5*/ 5, /*DC=*/ 2, /*RST=*/ 0, /*BUSY=*/ 4)); // GDEW075T7 800x480
+//GxEPD2_BW < GxEPD2_1160_T91, GxEPD2_1160_T91::HEIGHT / 2> display(GxEPD2_1160_T91(/*CS=5*/ 5, /*DC=*/ 2, /*RST=*/ 0, /*BUSY=*/ 4)); // GDEH116T91 960x640
 // 3-color e-papers
 //GxEPD2_3C<GxEPD2_154c, GxEPD2_154c::HEIGHT> display(GxEPD2_154c(/*CS=5*/ 5, /*DC=*/ 2, /*RST=*/ 0, /*BUSY=*/ 4)); // GDEW0154Z04 no longer available
 //GxEPD2_3C<GxEPD2_154_Z90c, GxEPD2_154_Z90c::HEIGHT> display(GxEPD2_154_Z90c(/*CS=5*/ 5, /*DC=*/ 2, /*RST=*/ 0, /*BUSY=*/ 4)); // GDEH0154Z90
@@ -268,6 +272,7 @@
 //GxEPD2_BW < GxEPD2_583_T8, GxEPD2_583_T8::HEIGHT / 2 > display(GxEPD2_583_T8(/*CS=15*/ SS, /*DC=4*/ 4, /*RST=5*/ 5, /*BUSY=16*/ 16));
 //GxEPD2_BW < GxEPD2_750, GxEPD2_750::HEIGHT / 2 > display(GxEPD2_750(/*CS=15*/ SS, /*DC=4*/ 4, /*RST=5*/ 5, /*BUSY=16*/ 16));
 //GxEPD2_BW < GxEPD2_750_T7, GxEPD2_750_T7::HEIGHT / 2 > display(GxEPD2_750_T7(/*CS=15*/ SS, /*DC=4*/ 4, /*RST=5*/ 5, /*BUSY=16*/ 16)); // GDEW075T7 800x480
+//GxEPD2_BW < GxEPD2_1160_T91, GxEPD2_1160_T91::HEIGHT / 2 > display(GxEPD2_1160_T91(/*CS=15*/ SS, /*DC=4*/ 4, /*RST=5*/ 5, /*BUSY=16*/ 16)); // GDEH116T91 960x640
 // 3-color e-papers
 //GxEPD2_3C<GxEPD2_154c, GxEPD2_154c::HEIGHT> display(GxEPD2_154c(/*CS=15*/ SS, /*DC=4*/ 4, /*RST=5*/ 5, /*BUSY=16*/ 16)); // GDEW0154Z04 no longer available
 //GxEPD2_3C<GxEPD2_154_Z90c, GxEPD2_154_Z90c::HEIGHT> display(GxEPD2_154_Z90c(/*CS=15*/ SS, /*DC=4*/ 4, /*RST=5*/ 5, /*BUSY=16*/ 16)); // GDEH0154Z90
@@ -288,4 +293,55 @@
 //GxEPD2_7C < GxEPD2_565c, GxEPD2_565c::HEIGHT / 4 > display(GxEPD2_565c(/*CS=15*/ SS, /*DC=4*/ 4, /*RST=5*/ 5, /*BUSY=16*/ 16)); // Waveshare 5.65" 7-color
 #endif
 
+#if defined(ARDUINO_ARCH_RP2040)
+#define MAX_DISPLAY_BUFFER_SIZE 131072ul // e.g. half of available ram
+#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8) ? EPD::HEIGHT : MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8))
+// select one and adapt to your mapping
+//GxEPD2_BW<GxEPD2_154, MAX_HEIGHT(GxEPD2_154)> display(GxEPD2_154(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEP015OC1 no longer available
+//GxEPD2_BW<GxEPD2_154_D67, MAX_HEIGHT(GxEPD2_154_D67)> display(GxEPD2_154_D67(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEH0154D67
+//GxEPD2_BW<GxEPD2_154_T8, MAX_HEIGHT(GxEPD2_154_T8)> display(GxEPD2_154_T8(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0154T8 152x152
+//GxEPD2_BW<GxEPD2_154_M09, MAX_HEIGHT(GxEPD2_154_M09)> display(GxEPD2_154_M09(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0154M09 200x200
+//GxEPD2_BW<GxEPD2_154_M10, MAX_HEIGHT(GxEPD2_154_M10)> display(GxEPD2_154_M10(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0154M10 152x152
+//GxEPD2_BW<GxEPD2_213, MAX_HEIGHT(GxEPD2_213)> display(GxEPD2_213(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDE0213B1, phased out
+//GxEPD2_BW<GxEPD2_213_B72, MAX_HEIGHT(GxEPD2_213_B72)> display(GxEPD2_213_B72(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEH0213B72
+//GxEPD2_BW<GxEPD2_213_B73, MAX_HEIGHT(GxEPD2_213_B73)> display(GxEPD2_213_B73(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEH0213B73
+//GxEPD2_BW<GxEPD2_213_flex, MAX_HEIGHT(GxEPD2_213_flex)> display(GxEPD2_213_flex(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0213I5F
+//GxEPD2_BW<GxEPD2_213_M21, MAX_HEIGHT(GxEPD2_213_M21)> display(GxEPD2_213_M21(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0213M21
+//GxEPD2_BW<GxEPD2_213_T5D, MAX_HEIGHT(GxEPD2_213_T5D)> display(GxEPD2_213_T5D(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0213T5D
+//GxEPD2_BW<GxEPD2_290, MAX_HEIGHT(GxEPD2_290)> display(GxEPD2_290(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEH029A1
+//GxEPD2_BW<GxEPD2_290_T5, MAX_HEIGHT(GxEPD2_290_T5)> display(GxEPD2_290_T5(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW029T5
+//GxEPD2_BW<GxEPD2_290_T5D, MAX_HEIGHT(GxEPD2_290_T5D)> display(GxEPD2_290_T5D(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW029T5D
+//GxEPD2_BW<GxEPD2_290_T94, MAX_HEIGHT(GxEPD2_290_T94)> display(GxEPD2_290_T94(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEM029T94
+//GxEPD2_BW<GxEPD2_290_M06, MAX_HEIGHT(GxEPD2_290_M06)> display(GxEPD2_290_M06(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW029M06
+//GxEPD2_BW<GxEPD2_260, MAX_HEIGHT(GxEPD2_260)> display(GxEPD2_260(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW026T0
+//GxEPD2_BW<GxEPD2_260_M01, MAX_HEIGHT(GxEPD2_260_M01)> display(GxEPD2_260_M01(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW026M01
+//GxEPD2_BW<GxEPD2_270, MAX_HEIGHT(GxEPD2_270)> display(GxEPD2_270(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW027W3
+//GxEPD2_BW<GxEPD2_371, MAX_HEIGHT(GxEPD2_371)> display(GxEPD2_371(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0371W7
+//GxEPD2_BW<GxEPD2_420, MAX_HEIGHT(GxEPD2_420)> display(GxEPD2_420(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW042T2
+//GxEPD2_BW<GxEPD2_420_M01, MAX_HEIGHT(GxEPD2_420_M01)> display(GxEPD2_420_M01(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW042M01
+//GxEPD2_BW<GxEPD2_583, MAX_HEIGHT(GxEPD2_583)> display(GxEPD2_583(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0583T7
+//GxEPD2_BW <GxEPD2_583_T8,  MAX_HEIGHT(GxEPD2_583_T8)> display(GxEPD2_583_T8(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0583T8  648x480
+//GxEPD2_BW<GxEPD2_750, MAX_HEIGHT(GxEPD2_750)> display(GxEPD2_750(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW075T8   640x384
+//GxEPD2_BW<GxEPD2_750_T7, MAX_HEIGHT(GxEPD2_750_T7)> display(GxEPD2_750_T7(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW075T7 800x480
+//GxEPD2_BW < GxEPD2_1160_T91, MAX_HEIGHT(GxEPD2_1160_T91)> display(GxEPD2_1160_T91(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEH116T91 960x640
+// 3-color e-papers
+#define MAX_HEIGHT_3C(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
+//GxEPD2_3C<GxEPD2_154c, MAX_HEIGHT_3C(GxEPD2_154c)> display(GxEPD2_154c(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0154Z04 no longer available
+//GxEPD2_3C<GxEPD2_154_Z90c, MAX_HEIGHT_3C(GxEPD2_154_Z90c)> display(GxEPD2_154_Z90c(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEH0154Z90
+//GxEPD2_3C<GxEPD2_213c, MAX_HEIGHT_3C(GxEPD2_213c)> display(GxEPD2_213c(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0213Z16
+//GxEPD2_3C<GxEPD2_213_Z19c, MAX_HEIGHT_3C(GxEPD2_213_Z19c)> display(GxEPD2_213_Z19c(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0213Z19
+//GxEPD2_3C<GxEPD2_290c, MAX_HEIGHT_3C(GxEPD2_290c)> display(GxEPD2_290c(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW029Z10
+//GxEPD2_3C<GxEPD2_290_Z13c, MAX_HEIGHT_3C(GxEPD2_290_Z13c)> display(GxEPD2_290_Z13c(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEH029Z13
+//GxEPD2_3C<GxEPD2_290_C90c, MAX_HEIGHT_3C(GxEPD2_290_C90c)> display(GxEPD2_290_C90c(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEM029C90
+//GxEPD2_3C<GxEPD2_270c, MAX_HEIGHT_3C(GxEPD2_270c)> display(GxEPD2_270c(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW027C44
+//GxEPD2_3C<GxEPD2_420c, MAX_HEIGHT_3C(GxEPD2_420c)> display(GxEPD2_420c(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW042Z15
+//GxEPD2_3C<GxEPD2_583c, MAX_HEIGHT_3C(GxEPD2_583c)> display(GxEPD2_583c(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW0583Z21
+//GxEPD2_3C<GxEPD2_750c, MAX_HEIGHT_3C(GxEPD2_750c)> display(GxEPD2_750c(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW075Z09
+//GxEPD2_3C<GxEPD2_750c_Z08, MAX_HEIGHT_3C(GxEPD2_750c_Z08)> display(GxEPD2_750c_Z08(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEW075Z08 800x480
+//GxEPD2_3C<GxEPD2_750c_Z90, MAX_HEIGHT_3C(GxEPD2_750c_Z90)> display(GxEPD2_750c_Z90(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // GDEH075Z90 880x528
+// 7-color e-paper
+#define MAX_HEIGHT_7C(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2)) // 2 pixel per byte
+//GxEPD2_7C<GxEPD2_565c, MAX_HEIGHT_7C(GxEPD2_565c)> display(GxEPD2_565c(/*CS=*/ SS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7)); // Waveshare 5.65" 7-color
+#endif
+
 #endif
diff --git a/examples/GxEPD2_Example/GxEPD2_display_selection_new_style.h b/examples/GxEPD2_Example/GxEPD2_display_selection_new_style.h
@@ -45,6 +45,7 @@
 //#define GxEPD2_DRIVER_CLASS GxEPD2_583_T8  // GDEW0583T8  648x480, GD7965
 //#define GxEPD2_DRIVER_CLASS GxEPD2_750     // GDEW075T8   640x384, UC8179 (IL0371)
 //#define GxEPD2_DRIVER_CLASS GxEPD2_750_T7  // GDEW075T7   800x480, GD7965
+//#define GxEPD2_DRIVER_CLASS GxEPD2_1160_T91 // GDEH116T91 960x640, SSD1677
 // 3-color e-papers
 //#define GxEPD2_DRIVER_CLASS GxEPD2_154c     // GDEW0154Z04 200x200, IL0376F, no longer available
 //#define GxEPD2_DRIVER_CLASS GxEPD2_154_Z90c // GDEH0154Z90 200x200, SSD1682
@@ -188,4 +189,17 @@ GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> displ
 GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=4*/ 4, /*DC=*/ 7, /*RST=*/ 6, /*BUSY=*/ 5));
 #endif
 
+#if defined(ARDUINO_ARCH_RP2040)
+#define MAX_DISPLAY_BUFFER_SIZE 131072ul // e.g. half of available ram
+#if IS_GxEPD2_BW(GxEPD2_DISPLAY_CLASS)
+#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8) ? EPD::HEIGHT : MAX_DISPLAY_BUFFER_SIZE / (EPD::WIDTH / 8))
+#elif IS_GxEPD2_3C(GxEPD2_DISPLAY_CLASS)
+#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE / 2) / (EPD::WIDTH / 8))
+#elif IS_GxEPD2_7C(GxEPD2_DISPLAY_CLASS)
+#define MAX_HEIGHT(EPD) (EPD::HEIGHT <= (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2) ? EPD::HEIGHT : (MAX_DISPLAY_BUFFER_SIZE) / (EPD::WIDTH / 2))
+#endif
+// adapt the constructor parameters to your wiring
+GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=4*/ EPD_CS, /*DC=*/ 8, /*RST=*/ 9, /*BUSY=*/ 7));
+#endif
+
 #endif