add ADC channel

* Initial commit of combined BLE and WiFi OTA

* Incorporate ota_hash in AdminMessage protobuf

* OTA protobuf changes

* Trunk fmt

* Partition header check for OTA type

* Guards

* Guards

* Derp

* Missed one

---------

Co-authored-by: Jake-B <jake-b@users.noreply.github.com>

boards/mini-epaper-s3.json

@@ -0,0 +1,40 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "esp32s3_out.ld",
+      "partitions": "default.csv"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DBOARD_HAS_PSRAM",
+      "-DARDUINO_ESP32S3_DEV",
+      "-DARDUINO_USB_MODE=1",
+      "-DARDUINO_USB_CDC_ON_BOOT=1",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=1"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "hwids": [["0x303A", "0x1001"]],
+    "mcu": "esp32s3",
+    "variant": "esp32s3"
+  },
+  "connectivity": ["wifi"],
+  "debug": {
+    "default_tool": "esp-builtin",
+    "onboard_tools": ["esp-builtin"],
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": ["arduino", "espidf"],
+  "name": "LilyGo Mini-Epapaer-S3 (4 MB Flash, 2MB PSRAM)",
+  "upload": {
+    "flash_size": "4MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 4194304,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://www.lilygo.cc",
+  "vendor": "LilyGo"
+}

src/graphics/EInkDisplay2.cpp

@@ -259,6 +259,18 @@ bool EInkDisplay::connect()
         adafruitDisplay->setRotation(3);
         adafruitDisplay->setPartialWindow(0, 0, EINK_WIDTH, EINK_HEIGHT);
     }
+#elif defined(MINI_EPAPER_S3)
+    spi1 = new SPIClass(HSPI);
+    spi1->begin(PIN_SPI1_SCK, PIN_SPI1_MISO, PIN_SPI1_MOSI, PIN_EINK_CS);
+
+    // Create GxEPD2 objects
+    auto lowLevel = new EINK_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);
+    adafruitDisplay = new GxEPD2_BW<EINK_DISPLAY_MODEL, EINK_DISPLAY_MODEL::HEIGHT>(*lowLevel);
+
+    // Init GxEPD2
+    adafruitDisplay->init();
+    adafruitDisplay->setRotation(0);
+    adafruitDisplay->setPartialWindow(0, 0, EINK_WIDTH, EINK_HEIGHT);
 #elif defined(HELTEC_WIRELESS_PAPER) || defined(HELTEC_VISION_MASTER_E213)
 
     // Detect display model, before starting SPI

src/graphics/EInkDisplay2.h

@@ -93,7 +93,8 @@ class EInkDisplay : public OLEDDisplay
     SPIClass *hspi = NULL;
 #endif
 
-#if defined(HELTEC_MESH_POCKET) || defined(SEEED_WIO_TRACKER_L1_EINK) || defined(HELTEC_MESH_SOLAR_EINK)
+#if defined(HELTEC_MESH_POCKET) || defined(SEEED_WIO_TRACKER_L1_EINK) || defined(HELTEC_MESH_SOLAR_EINK) ||                      \
+    defined(MINI_EPAPER_S3)
     SPIClass *spi1 = NULL;
 #endif
 

src/main.cpp

@@ -105,6 +105,43 @@ NRF52Bluetooth *nrf52Bluetooth = nullptr;
 #include <string>
 #endif
 
+#ifdef ARCH_ESP32
+#ifdef DEBUG_PARTITION_TABLE
+#include "esp_partition.h"
+
+void printPartitionTable()
+{
+    printf("\n--- Partition Table ---\n");
+    // Print Column Headers
+    printf("| %-16s | %-4s | %-7s | %-10s | %-10s |\n", "Label", "Type", "Subtype", "Offset", "Size");
+    printf("|------------------|------|---------|------------|------------|\n");
+
+    // Create an iterator to find ALL partitions (Type ANY, Subtype ANY)
+    esp_partition_iterator_t it = esp_partition_find(ESP_PARTITION_TYPE_ANY, ESP_PARTITION_SUBTYPE_ANY, NULL);
+
+    // Loop through the iterator
+    if (it != NULL) {
+        do {
+            const esp_partition_t *part = esp_partition_get(it);
+
+            // Print details: Label, Type (Hex), Subtype (Hex), Offset (Hex), Size (Hex)
+            printf("| %-16s | 0x%02x | 0x%02x    | 0x%08x | 0x%08x |\n", part->label, part->type, part->subtype, part->address,
+                   part->size);
+
+            // Move to next partition
+            it = esp_partition_next(it);
+        } while (it != NULL);
+
+        // Release the iterator memory
+        esp_partition_iterator_release(it);
+    } else {
+        printf("No partitions found.\n");
+    }
+    printf("-----------------------\n");
+}
+#endif // DEBUG_PARTITION_TABLE
+#endif // ARCH_ESP32
+
 #if HAS_BUTTON || defined(ARCH_PORTDUINO)
 #include "input/ButtonThread.h"
 
@@ -648,7 +685,11 @@ void setup()
         sensor_detected = true;
 #endif
     }
-
+#ifdef ARCH_ESP32
+#ifdef DEBUG_PARTITION_TABLE
+    printPartitionTable();
+#endif
+#endif // ARCH_ESP32
 #ifdef ARCH_ESP32
     // Don't init display if we don't have one or we are waking headless due to a timer event
     if (wakeCause == ESP_SLEEP_WAKEUP_TIMER) {

src/modules/AdminModule.cpp

@@ -235,22 +235,46 @@ bool AdminModule::handleReceivedProtobuf(const meshtastic_MeshPacket &mp, meshta
     }
     case meshtastic_AdminMessage_ota_request_tag: {
 #if defined(ARCH_ESP32)
+        LOG_INFO("OTA Requested");
+
         if (r->ota_request.ota_hash.size != 32) {
             suppressRebootBanner = true;
-            LOG_INFO("OTA Failed: Invalid `ota_hash` provided");
+            sendWarningAndLog("Cannot start OTA: Invalid `ota_hash` provided.");
             break;
         }
 
         meshtastic_OTAMode mode = r->ota_request.reboot_ota_mode;
+        const char *mode_name = (mode == METHOD_OTA_BLE ? "BLE" : "WiFi");
+
+        // Check that we have an OTA partition
+        const esp_partition_t *part = MeshtasticOTA::getAppPartition();
+        if (part == NULL) {
+            suppressRebootBanner = true;
+            sendWarningAndLog("Cannot start OTA: Cannot find OTA Loader partition.");
+            break;
+        }
+
+        static esp_app_desc_t app_desc;
+        if (!MeshtasticOTA::getAppDesc(part, &app_desc)) {
+            suppressRebootBanner = true;
+            sendWarningAndLog("Cannot start OTA: Device does have a valid OTA Loader.");
+            break;
+        }
+
+        if (!MeshtasticOTA::checkOTACapability(&app_desc, mode)) {
+            suppressRebootBanner = true;
+            sendWarningAndLog("OTA Loader does not support %s", mode_name);
+            break;
+        }
+
         if (MeshtasticOTA::trySwitchToOTA()) {
-            LOG_INFO("OTA Requested");
             suppressRebootBanner = true;
             if (screen)
                 screen->startFirmwareUpdateScreen();
             MeshtasticOTA::saveConfig(&config.network, mode, r->ota_request.ota_hash.bytes);
-            LOG_INFO("Rebooting to WiFi OTA");
+            sendWarningAndLog("Rebooting to %s OTA", mode_name);
         } else {
-            LOG_INFO("WIFI OTA Failed");
+            sendWarningAndLog("Unable to switch to the OTA partition.");
         }
 #endif
         int s = 1; // Reboot in 1 second, hard coded
@@ -1472,15 +1496,43 @@ void AdminModule::handleSendInputEvent(const meshtastic_AdminMessage_InputEvent
 #endif
 }
 
-void AdminModule::sendWarning(const char *message)
+void AdminModule::sendWarning(const char *format, ...)
 {
     meshtastic_ClientNotification *cn = clientNotificationPool.allocZeroed();
+    if (!cn)
+        return;
+
     cn->level = meshtastic_LogRecord_Level_WARNING;
     cn->time = getValidTime(RTCQualityFromNet);
-    strncpy(cn->message, message, sizeof(cn->message));
+
+    va_list args;
+    va_start(args, format);
+    // Format the arguments directly into the notification object
+    vsnprintf(cn->message, sizeof(cn->message), format, args);
+    va_end(args);
+
     service->sendClientNotification(cn);
 }
 
+void AdminModule::sendWarningAndLog(const char *format, ...)
+{
+    // We need a temporary buffer to hold the formatted text so we can log it
+    // Using 250 bytes as a safe upper limit for typical text notifications
+    char buf[250];
+
+    va_list args;
+    va_start(args, format);
+    vsnprintf(buf, sizeof(buf), format, args);
+    va_end(args);
+
+    LOG_WARN(buf);
+    // 2. Call sendWarning
+    // SECURITY NOTE: We pass "%s", buf instead of just 'buf'.
+    // If 'buf' contained a % symbol (e.g. "Battery 50%"), passing it directly
+    // would crash sendWarning. "%s" treats it purely as text.
+    sendWarning("%s", buf);
+}
+
 void disableBluetooth()
 {
 #if HAS_BLUETOOTH

src/modules/AdminModule.h

@@ -1,7 +1,9 @@
-#include <sys/types.h>
-
 #pragma once
+#ifdef ESP_PLATFORM
+#include <esp_ota_ops.h>
+#endif
 #include "ProtobufModule.h"
+#include <sys/types.h>
 #if HAS_WIFI
 #include "mesh/wifi/WiFiAPClient.h"
 #endif
@@ -71,7 +73,8 @@ class AdminModule : public ProtobufModule<meshtastic_AdminMessage>, public Obser
 
     bool messageIsResponse(const meshtastic_AdminMessage *r);
     bool messageIsRequest(const meshtastic_AdminMessage *r);
-    void sendWarning(const char *message);
+    void sendWarning(const char *format, ...) __attribute__((format(printf, 2, 3)));
+    void sendWarningAndLog(const char *format, ...) __attribute__((format(printf, 2, 3)));
 };
 
 static constexpr const char *licensedModeMessage =

src/modules/StatusLEDModule.cpp

@@ -50,9 +50,10 @@ int StatusLEDModule::handleStatusUpdate(const meshtastic::Status *arg)
             break;
         }
         case meshtastic::BluetoothStatus::ConnectionState::CONNECTED: {
-            ble_state = connected;
-            PAIRING_LED_starttime = millis();
-            break;
+            if (ble_state != connected) {
+                ble_state = connected;
+                PAIRING_LED_starttime = millis();
+            }
         }
         }
 

src/platform/esp32/MeshtasticOTA.cpp

@@ -1,13 +1,17 @@
 #include "MeshtasticOTA.h"
 #include "configuration.h"
+#ifdef ESP_PLATFORM
 #include <Preferences.h>
 #include <esp_ota_ops.h>
+#endif
 
 namespace MeshtasticOTA
 {
 
 static const char *nvsNamespace = "MeshtasticOTA";
-static const char *appProjectName = "MeshtasticOTA";
+static const char *combinedAppProjectName = "MeshtasticOTA";
+static const char *bleOnlyAppProjectName = "MeshtasticOTA-BLE";
+static const char *wifiOnlyAppProjectName = "MeshtasticOTA-WiFi";
 
 static bool updated = false;
 
@@ -68,21 +72,44 @@ bool getAppDesc(const esp_partition_t *part, esp_app_desc_t *app_desc)
         LOG_INFO("esp_ota_get_partition_description failed");
         return false;
     }
-    if (strcmp(app_desc->project_name, appProjectName) != 0) {
-        LOG_INFO("app_desc->project_name == 0");
-        return false;
-    }
     return true;
 }
 
+bool checkOTACapability(esp_app_desc_t *app_desc, uint8_t method)
+{
+    // Combined loader supports all (both) transports, BLE and WiFi
+    if (strcmp(app_desc->project_name, combinedAppProjectName) == 0) {
+        LOG_INFO("OTA partition contains combined BLE/WiFi OTA Loader");
+        return true;
+    }
+    if (method == METHOD_OTA_BLE && strcmp(app_desc->project_name, bleOnlyAppProjectName) == 0) {
+        LOG_INFO("OTA partition contains BLE-only OTA Loader");
+        return true;
+    }
+    if (method == METHOD_OTA_WIFI && strcmp(app_desc->project_name, wifiOnlyAppProjectName) == 0) {
+        LOG_INFO("OTA partition contains WiFi-only OTA Loader");
+        return true;
+    }
+    LOG_INFO("OTA partition does not contain a known OTA loader");
+    return false;
+}
+
 bool trySwitchToOTA()
 {
     const esp_partition_t *part = getAppPartition();
-    esp_app_desc_t app_desc;
-    if (!getAppDesc(part, &app_desc))
+
+    if (part == NULL) {
+        LOG_WARN("Unable to get app partition in preparation of OTA reboot");
         return false;
-    if (esp_ota_set_boot_partition(part) != ESP_OK)
+    }
+
+    uint8_t result = esp_ota_set_boot_partition(part);
+    // Partition and app checks should now be done in the AdminModule before this is called
+    if (result != ESP_OK) {
+        LOG_WARN("Unable to switch to OTA partiton.  (Reason %d)", result);
         return false;
+    }
+
     return true;
 }
 

src/platform/esp32/MeshtasticOTA.h

@@ -3,12 +3,20 @@
 
 #include "mesh-pb-constants.h"
 #include <Arduino.h>
+#ifdef ESP_PLATFORM
+#include <esp_ota_ops.h>
+#endif
+
+#define METHOD_OTA_BLE 1
+#define METHOD_OTA_WIFI 2
 
 namespace MeshtasticOTA
 {
 void initialize();
 bool isUpdated();
-
+const esp_partition_t *getAppPartition();
+bool getAppDesc(const esp_partition_t *part, esp_app_desc_t *app_desc);
+bool checkOTACapability(esp_app_desc_t *app_desc, uint8_t method);
 void recoverConfig(meshtastic_Config_NetworkConfig *network);
 void saveConfig(meshtastic_Config_NetworkConfig *network, meshtastic_OTAMode method, uint8_t *ota_hash);
 bool trySwitchToOTA();

variants/esp32c6/m5stack_unitc6l/platformio.ini

@@ -10,6 +10,8 @@ custom_meshtastic_tags = M5Stack
 
 extends = esp32c6_base
 board = esp32-c6-devkitc-1
+board_upload.flash_size = 16MB
+board_build.partitions = default_16MB.csv
 ;OpenOCD flash method
 ;upload_protocol = esp-builtin
 ;Normal method

variants/esp32s3/mini-epaper-s3/pins_arduino.h

@@ -0,0 +1,26 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define USB_VID 0x303a
+#define USB_PID 0x1001
+
+// The default Wire will be mapped to PMU and RTC
+static const uint8_t SDA = 18;
+static const uint8_t SCL = 9;
+
+// Default SPI will be mapped to Radio
+static const uint8_t SS = -1;
+static const uint8_t MOSI = 17;
+static const uint8_t MISO = 6;
+static const uint8_t SCK = 8;
+
+#define SPI_MOSI (39)
+#define SPI_SCK (41)
+#define SPI_MISO (38)
+#define SPI_CS (40)
+
+#define SDCARD_CS SPI_CS
+
+#endif /* Pins_Arduino_h */

variants/esp32s3/mini-epaper-s3/platformio.ini

@@ -0,0 +1,41 @@
+[env:mini-epaper-s3]
+;custom_meshtastic_hw_model =
+custom_meshtastic_hw_model_slug = MINI_EPAPER_S3
+custom_meshtastic_architecture = esp32-s3
+custom_meshtastic_actively_supported = true
+custom_meshtastic_support_level = 1
+custom_meshtastic_display_name = LILYGO Mini ePaper S3 E-Ink
+custom_meshtastic_images = mini-epaper-s3.svg
+custom_meshtastic_tags = LilyGo
+custom_meshtastic_requires_dfu = no
+
+extends = esp32s3_base
+board = mini-epaper-s3
+board_check = true
+upload_protocol = esptool
+
+build_flags = 
+  ${esp32s3_base.build_flags}
+  -I variants/esp32s3/mini-epaper-s3
+  -DMINI_EPAPER_S3
+  -DPRIVATE_HW ; TODO
+  -DUSE_EINK
+  -DEINK_DISPLAY_MODEL=GxEPD2_102
+  -DEINK_WIDTH=80
+  -DEINK_HEIGHT=128
+;  -DUSE_EINK_DYNAMICDISPLAY            ; Enable Dynamic EInk
+;  -DEINK_LIMIT_FASTREFRESH=0           ; How many consecutive fast-refreshes are permitted    //20
+;  -DEINK_LIMIT_RATE_BACKGROUND_SEC=30  ; Minimum interval between BACKGROUND updates          //30
+;  -DEINK_LIMIT_RATE_RESPONSIVE_SEC=1   ; Minimum interval between RESPONSIVE updates
+;  -DEINK_HASQUIRK_VICIOUSFASTREFRESH   ; Identify that pixels drawn by fast-refresh are harder to clear
+;  -DEINK_LIMIT_GHOSTING_PX=1500        ; (Optional) How much image ghosting is tolerated
+;  -DEINK_BACKGROUND_USES_FAST          ; (Optional) Use FAST refresh for both BACKGROUND and RESPONSIVE, until a limit is reached.
+
+lib_deps =
+  ${esp32s3_base.lib_deps}
+  # renovate: datasource=custom.pio depName=GxEPD2 packageName=zinggjm/library/GxEPD2
+  zinggjm/GxEPD2@1.6.5
+  ;# renovate: datasource=git-refs depName=meshtastic-GxEPD2 packageName=https://github.com/meshtastic/GxEPD2 gitBranch=master
+  ;https://github.com/meshtastic/GxEPD2/archive/a05c11c02862624266b61599b0d6ba93e33c6f24.zip
+  # renovate: datasource=custom.pio depName=SensorLib packageName=lewisxhe/library/SensorLib
+  lewisxhe/SensorLib@0.3.3

variants/esp32s3/mini-epaper-s3/variant.h

@@ -0,0 +1,56 @@
+// Display (E-Ink)
+
+#define PIN_EINK_CS 13
+#define PIN_EINK_BUSY 10
+#define PIN_EINK_RES 11
+#define PIN_EINK_SCLK 14
+#define PIN_EINK_MOSI 15
+#define PIN_EINK_DC 12
+#define PIN_EINK_EN 42
+
+#define SPI_INTERFACES_COUNT 2
+#define PIN_SPI1_MISO -1
+#define PIN_SPI1_MOSI PIN_EINK_MOSI
+#define PIN_SPI1_SCK PIN_EINK_SCLK
+
+#define I2C_SDA SDA
+#define I2C_SCL SCL
+
+#define BATTERY_PIN 2 // A battery voltage measurement pin, voltage divider connected here to
+// measure battery voltage ratio of voltage divider = 2.0 (assumption)
+#define ADC_MULTIPLIER 2.11 // 2.0 + 10% for correction of display undervoltage.
+#define ADC_CHANNEL ADC1_GPIO2_CHANNEL
+
+#define HAS_GPS 0
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+
+#define BUTTON_PIN 3
+#define BUTTON_NEED_PULLUP
+#define ALT_BUTTON_PIN 4
+#define ALT_BUTTON_ACTIVE_LOW true
+#define ALT_BUTTON_ACTIVE_PULLUP true
+#define PIN_BUTTON3 0
+
+// #define HAS_SDCARD 1
+// #define SDCARD_USE_SOFT_SPI
+
+// PCF85063 RTC Module
+#define PCF85063_RTC 0x51
+#define HAS_RTC 1
+
+#define USE_SX1262
+#define LORA_DIO1 5
+#define LORA_SCK 8
+#define LORA_MISO 6
+#define LORA_MOSI 17
+#define LORA_CS 7 // CS not connected; IO7 is free
+#define LORA_RESET 21
+
+#ifdef USE_SX1262
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 5
+#define SX126X_BUSY 16
+#define SX126X_RESET LORA_RESET
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+#endif