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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();

13
src/main.cpp
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@@ -38,6 +38,10 @@
#include <memory>
#include <utility>
#ifdef ELECROW_ThinkNode_M5
PCA9557 io(0x18, &Wire);
#endif
#ifdef ARCH_ESP32
#include "freertosinc.h"
#if !MESHTASTIC_EXCLUDE_WEBSERVER
@@ -296,6 +300,15 @@ void setup()
digitalWrite(PIN_POWER_EN, HIGH);
#endif
#if defined(ELECROW_ThinkNode_M5)
Wire.begin(48, 47);
io.pinMode(PCA_PIN_EINK_EN, OUTPUT);
io.pinMode(PCA_PIN_POWER_EN, OUTPUT);
io.digitalWrite(PCA_PIN_EINK_EN, HIGH);
io.digitalWrite(PCA_PIN_POWER_EN, HIGH);
// io.pinMode(C2_PIN, OUTPUT);
#endif
#ifdef LED_POWER
pinMode(LED_POWER, OUTPUT);
digitalWrite(LED_POWER, LED_STATE_ON);

5
src/main.h
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@@ -51,6 +51,11 @@ extern Adafruit_DRV2605 drv;
extern AudioThread *audioThread;
#endif
#ifdef ELECROW_ThinkNode_M5
#include <PCA9557.h>
extern PCA9557 io;
#endif
#ifdef HAS_UDP_MULTICAST
#include "mesh/udp/UdpMulticastHandler.h"
extern UdpMulticastHandler *udpHandler;

11
src/modules/SerialModule.cpp
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@@ -60,7 +60,8 @@
SerialModule *serialModule;
SerialModuleRadio *serialModuleRadio;
#if defined(TTGO_T_ECHO) || defined(CANARYONE) || defined(MESHLINK) || defined(ELECROW_ThinkNode_M1)
#if defined(TTGO_T_ECHO) || defined(CANARYONE) || defined(MESHLINK) || defined(ELECROW_ThinkNode_M1) || \
defined(ELECROW_ThinkNode_M5)
SerialModule::SerialModule() : StreamAPI(&Serial), concurrency::OSThread("Serial") {}
static Print *serialPrint = &Serial;
#elif defined(CONFIG_IDF_TARGET_ESP32C6)
@@ -178,7 +179,8 @@ int32_t SerialModule::runOnce()
Serial.begin(baud);
Serial.setTimeout(moduleConfig.serial.timeout > 0 ? moduleConfig.serial.timeout : TIMEOUT);
}
#elif !defined(TTGO_T_ECHO) && !defined(CANARYONE) && !defined(MESHLINK) && !defined(ELECROW_ThinkNode_M1)
#elif !defined(TTGO_T_ECHO) && !defined(CANARYONE) && !defined(MESHLINK) && !defined(ELECROW_ThinkNode_M1) && \
!defined(ELECROW_ThinkNode_M5)
if (moduleConfig.serial.rxd && moduleConfig.serial.txd) {
#ifdef ARCH_RP2040
Serial2.setFIFOSize(RX_BUFFER);
@@ -234,7 +236,8 @@ int32_t SerialModule::runOnce()
}
}
#if !defined(TTGO_T_ECHO) && !defined(CANARYONE) && !defined(MESHLINK) && !defined(ELECROW_ThinkNode_M1)
#if !defined(TTGO_T_ECHO) && !defined(CANARYONE) && !defined(MESHLINK) && !defined(ELECROW_ThinkNode_M1) && \
!defined(ELECROW_ThinkNode_M5)
else if ((moduleConfig.serial.mode == meshtastic_ModuleConfig_SerialConfig_Serial_Mode_WS85)) {
processWXSerial();
@@ -494,7 +497,7 @@ ParsedLine parseLine(const char *line)
void SerialModule::processWXSerial()
{
#if !defined(TTGO_T_ECHO) && !defined(CANARYONE) && !defined(CONFIG_IDF_TARGET_ESP32C6) && !defined(MESHLINK) && \
!defined(ELECROW_ThinkNode_M1)
!defined(ELECROW_ThinkNode_M1) && !defined(ELECROW_ThinkNode_M5)
static unsigned int lastAveraged = 0;
static unsigned int averageIntervalMillis = 300000; // 5 minutes hard coded.
static double dir_sum_sin = 0;

2
src/platform/esp32/architecture.h
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@@ -146,6 +146,8 @@
#define HW_VENDOR meshtastic_HardwareModel_EBYTE_ESP32_S3
#elif defined(ELECROW_ThinkNode_M2)
#define HW_VENDOR meshtastic_HardwareModel_THINKNODE_M2
#elif defined(ELECROW_ThinkNode_M5)
#define HW_VENDOR meshtastic_HardwareModel_THINKNODE_M5
#elif defined(ESP32_S3_PICO)
#define HW_VENDOR meshtastic_HardwareModel_ESP32_S3_PICO
#elif defined(SENSELORA_S3)