initialize a multitasking framework

src/main.cpp

@@ -0,0 +1,77 @@
+#include <stdio.h>
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "driver/gpio.h"
+#include "driver/spi_master.h"
+#include "esp_log.h"
+#include "config.hpp"
+#include "led.hpp"
+#include "cli.hpp"
+#include "display.hpp"  // thread-safe display
+
+static const char *TAG = "MAIN";
+
+// Global singleton instances for hardware abstraction
+static DisplayController oled;
+static LedController led(Config::LED_GPIO_PIN);
+
+void init_lora_spi(void) {
+    esp_err_t ret;
+
+    // Configure the SPI structure using the strict C++ constexpr constants
+    spi_bus_config_t buscfg = {};
+    buscfg.mosi_io_num = Config::LORA_MOSI_PIN;
+    buscfg.miso_io_num = Config::LORA_MISO_PIN;
+    buscfg.sclk_io_num = Config::LORA_SCK_PIN;
+    buscfg.quadwp_io_num = -1;
+    buscfg.quadhd_io_num = -1;
+    buscfg.max_transfer_sz = 0;
+
+    // Initialize the physical peripheral (VSPI / SPI3 on ESP32)
+    ret = spi_bus_initialize(SPI3_HOST, &buscfg, SPI_DMA_CH_AUTO);
+    if (ret != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to initialize SPI bus: %s", esp_err_to_name(ret));
+        return;
+    }
+    ESP_LOGI(TAG, "SPI bus initialized successfully on VSPI (SPI3)");
+}
+
+// Fixed: Only ONE app_main exists now, marked as extern "C" for ESP-IDF bootloader
+extern "C" void app_main(void) {
+    // Dynamic string formatting using type-safe constants
+    ESP_LOGI(TAG, "=================================================");
+    ESP_LOGI(TAG, " Booting %s (Version: %s) via ESP-IDF C++",
+            Config::PROJECT_TITLE,
+            Config::PROJECT_VERSION);
+    ESP_LOGI(TAG, " (c) Authors: %s", Config::PROJECT_AUTHORS);
+    ESP_LOGI(TAG, "=================================================");
+
+    // Explicitly power up the onboard peripherals on TTGO T3
+//    gpio_reset_pin(GPIO_NUM_16); 
+//    gpio_set_direction(GPIO_NUM_16, GPIO_MODE_OUTPUT);
+    // Hard reset of the OLED display
+//    gpio_set_level(GPIO_NUM_16, 0);
+ //   vTaskDelay(pdMS_TO_TICKS(50));  // 50ms in Reset
+
+//    gpio_set_level(GPIO_NUM_16, 1); // Set HIGH to enable OLED power rails
+//    vTaskDelay(pdMS_TO_TICKS(100));  // Give the hardware 100ms to stabilize voltage
+
+    led.startTask();
+
+    start_cli_task();
+
+    oled.startTask();
+
+
+    // Synchronous test push to the display queue
+//    oled.printMessage("Mesh Scanning...", 2);
+
+    // Sytem Monitor Loop
+    while (true) {
+        ESP_LOGI(TAG, "[%s v%s] Operational. Free Heap: %lu bytes",
+                 Config::PROJECT_TITLE,
+                 Config::PROJECT_VERSION,
+                 (unsigned long)esp_get_free_heap_size());
+        vTaskDelay(pdMS_TO_TICKS(5000));
+    }
+}