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Add Elecrow ThinkNode M8 board support (thinknode_m8) (#11226)

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* Add Elecrow ThinkNode M8 variant scaffold (thinknode_m8)

nRF52840 + SX1262 + 2.4" e-paper + ATGM336H-5NR32 GPS.
All pins resolved from ThinkNode_M8_V0.3.sch; cross-checked
against meshtastic/firmware#9181 (Elecrow V0.1 reference).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Add Elecrow ThinkNode M8 board support (nRF52840/SX1262, 1.54in e-ink, ATGM336H GNSS, SC7A20, EC04 encoder)

* Address review: keep the stored backlight level out of blanking, match only the SC7A20 WHO_AM_I byte, and transfer detents atomically

* Use std::atomic for the press-and-turn detent counter so native builds compile

* Drop the ThinkNode M8 LED_BUILTIN redefinition that warned on every translation unit

---------

Co-authored-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Thomas Göttgens
2026-07-30 15:59:35 +00:00
committed by GitHub
co-authored by Claude Sonnet 4.6 claude[bot]
parent 84322af4e0
commit 597f6767b5
22 changed files with 641 additions and 33 deletions
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src/graphics/EInkDisplay2.cpp
+4 -2
View File
@@ -1,4 +1,5 @@
#include "configuration.h"
#include "graphics/Backlight.h"
#if defined(USE_EINK) && !defined(USE_EINK_PARALLELDISPLAY)
#include "EInkDisplay2.h"
@@ -158,13 +159,14 @@ bool EInkDisplay::connect()
#endif
#endif
#if defined(TTGO_T_ECHO) || defined(ELECROW_ThinkNode_M1) || defined(T_ECHO_LITE) || defined(TTGO_T_ECHO_PLUS)
#if defined(TTGO_T_ECHO) || defined(ELECROW_ThinkNode_M1) || defined(T_ECHO_LITE) || defined(TTGO_T_ECHO_PLUS) || \
defined(ELECROW_ThinkNode_M8)
{
auto lowLevel = new EINK_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY, SPI1);
adafruitDisplay = new GxEPD2_BW<EINK_DISPLAY_MODEL, EINK_DISPLAY_MODEL::HEIGHT>(*lowLevel);
adafruitDisplay->init();
#if defined(ELECROW_ThinkNode_M1) || defined(T_ECHO_LITE)
#if defined(ELECROW_ThinkNode_M1) || defined(T_ECHO_LITE) || defined(ELECROW_ThinkNode_M8)
adafruitDisplay->setRotation(4);
#else
adafruitDisplay->setRotation(3);