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Initial support for the ThinkNode M5 (#7502)

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* Initial support for the ThinkNode M5

* Update variants/esp32s3/ELECROW-ThinkNode-M5/platformio.ini

Co-authored-by: Austin <vidplace7@gmail.com>

* Cleanup variant.h for Elecrow Thinknode M5

* Properly detect battery voltage

* Turn backlight off when screen sleeps

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
Co-authored-by: Austin <vidplace7@gmail.com>
This commit is contained in:
Jonathan Bennett
2025-08-07 06:28:15 -05:00
committed by GitHub
parent a23c58c10a
commit 691327b2db
10 changed files with 184 additions and 5 deletions
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15
src/graphics/EInkDisplay2.cpp
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@@ -151,6 +151,21 @@ bool EInkDisplay::connect()
#else
adafruitDisplay->setRotation(3);
#endif
adafruitDisplay->setPartialWindow(0, 0, displayWidth, displayHeight);
}
#elif defined(ELECROW_ThinkNode_M5)
{
// Start HSPI
hspi = new SPIClass(HSPI);
hspi->begin(PIN_EINK_SCLK, -1, PIN_EINK_MOSI, PIN_EINK_CS); // SCLK, MISO, MOSI, SS
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(4);
adafruitDisplay->setPartialWindow(0, 0, displayWidth, displayHeight);
}
#elif defined(MESHLINK)

2
src/graphics/EInkDisplay2.h
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@@ -80,7 +80,7 @@ class EInkDisplay : public OLEDDisplay
// If display uses HSPI
#if defined(HELTEC_WIRELESS_PAPER) || defined(HELTEC_WIRELESS_PAPER_V1_0) || defined(HELTEC_VISION_MASTER_E213) || \
defined(HELTEC_VISION_MASTER_E290) || defined(TLORA_T3S3_EPAPER) || defined(CROWPANEL_ESP32S3_5_EPAPER) || \
defined(CROWPANEL_ESP32S3_4_EPAPER) || defined(CROWPANEL_ESP32S3_2_EPAPER)
defined(CROWPANEL_ESP32S3_4_EPAPER) || defined(CROWPANEL_ESP32S3_2_EPAPER) || defined(ELECROW_ThinkNode_M5)
SPIClass *hspi = NULL;
#endif

9
src/graphics/Screen.cpp
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@@ -391,6 +391,10 @@ void Screen::handleSetOn(bool on, FrameCallback einkScreensaver)
dispdev->displayOn();
#endif
#ifdef ELECROW_ThinkNode_M5
io.digitalWrite(PCA_PIN_EINK_EN, HIGH);
#endif
#if defined(ST7789_CS) && \
!defined(M5STACK) // set display brightness when turning on screens. Just moved function from TFTDisplay to here.
static_cast<TFTDisplay *>(dispdev)->setDisplayBrightness(brightness);
@@ -425,6 +429,11 @@ void Screen::handleSetOn(bool on, FrameCallback einkScreensaver)
digitalWrite(PIN_EINK_EN, LOW);
}
#endif
#ifdef ELECROW_ThinkNode_M5
io.digitalWrite(PCA_PIN_EINK_EN, LOW);
#endif
dispdev->displayOff();
#ifdef USE_ST7789
SPI1.end();