InkHUD support for LilyGo T3S3 E-Paper (#6503)

* Purge an incomplete E-Ink driver

* Use the deep-sleep mode of SSD16XX E-Ink displays

* TwoButton doesn't need to store pin mode

* Fix false positive button presses after light sleep

* E-Ink driver for DEPG0213BNS800

* InkHUD support for LilyGo T3S3 E-paper

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

variants/tlora_t3s3_epaper/platformio.ini

@@ -7,6 +7,7 @@ upload_protocol = esptool
 build_flags = 
   ${esp32_base.build_flags} -D TLORA_T3S3_EPAPER -I variants/tlora_t3s3_epaper
   -DGPS_POWER_TOGGLE
+  -DUSE_EINK
   -DEINK_DISPLAY_MODEL=GxEPD2_213_BN
   -DEINK_WIDTH=250
   -DEINK_HEIGHT=122
@@ -16,3 +17,21 @@ build_flags =
 lib_deps =
   ${esp32s3_base.lib_deps}
   https://github.com/meshtastic/GxEPD2/archive/b202ebfec6a4821e098cf7a625ba0f6f2400292d.zip
+
+[env:tlora-t3s3-epaper-inkhud]
+extends = esp32s3_base, inkhud
+board = tlora-t3s3-v1
+board_check = true
+upload_protocol = esptool
+build_src_filter =
+  ${esp32_base.build_src_filter}
+  ${inkhud.build_src_filter}
+build_flags =
+  ${esp32s3_base.build_flags}
+  ${inkhud.build_flags}
+  -I variants/tlora_t3s3_epaper
+  -D TLORA_T3S3_EPAPER
+  -D MAX_THREADS=40 ; Required if used with WiFi
+lib_deps =
+  ${inkhud.lib_deps} ; InkHUD libs first, so we get GFXRoot instead of AdafruitGFX
+  ${esp32s3_base.lib_deps}