Initial commit

ESP32-S3 firmware acting as BMC for another board, controlling an ATX power supply and providing access to UART. Co-authored with GLM-5
2026-03-11 17:39:43 +01:00
commit 064e8812a4
21 changed files with 4235 additions and 0 deletions
--- a/main/main.c
+++ b/main/main.c
@@ -0,0 +1,129 @@
+#include <stdio.h>
+#include "esp_log.h"
+#include "esp_event.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "config.h"
+#include "gpio_controller.h"
+#include "uart_handler.h"
+#include "ethernet_manager.h"
+#include "web_server.h"
+
+static const char *TAG = TAG_BMC;
+
+// Ethernet event callback
+static void eth_event_callback(eth_event_type_t event) {
+	switch (event) {
+	case ETH_EVENT_CONNECTED:
+		ESP_LOGI(TAG, "Ethernet connected");
+		gpio_set_status_led(true);
+		break;
+
+	case ETH_EVENT_DISCONNECTED:
+		ESP_LOGW(TAG, "Ethernet disconnected");
+		gpio_set_status_led(false);
+		break;
+
+	case ETH_EVENT_GOT_IP: {
+		char ip[16];
+		if (ethernet_get_ip(ip) == ESP_OK) {
+			ESP_LOGI(TAG, "Got IP: %s", ip);
+		}
+	} break;
+
+	case ETH_EVENT_LOST_IP:
+		ESP_LOGW(TAG, "Lost IP address");
+		break;
+	}
+}
+
+void app_main(void) {
+	ESP_LOGI(TAG, "========================================");
+	ESP_LOGI(TAG, "ESP32-S3 BMC Firmware Starting...");
+	ESP_LOGI(TAG, "========================================");
+
+	// Initialize GPIO controller
+	ESP_LOGI(TAG, "Initializing GPIO controller...");
+	esp_err_t ret = gpio_controller_init();
+	if (ret != ESP_OK) {
+		ESP_LOGE(TAG, "Failed to initialize GPIO controller: %s", esp_err_to_name(ret));
+		// Continue anyway - some GPIOs might still work
+	}
+
+	// Set status LED to indicate initialization
+	gpio_set_status_led(false);
+
+	// Initialize UART handler
+	ESP_LOGI(TAG, "Initializing UART handler...");
+	ret = uart_handler_init();
+	if (ret != ESP_OK) {
+		ESP_LOGE(TAG, "Failed to initialize UART handler: %s", esp_err_to_name(ret));
+		// Continue anyway - serial console is optional
+	}
+
+	// Initialize Ethernet manager
+	ESP_LOGI(TAG, "Initializing Ethernet manager...");
+	ethernet_register_event_callback(eth_event_callback);
+	ret = ethernet_manager_init();
+	if (ret != ESP_OK) {
+		ESP_LOGE(TAG, "Failed to initialize Ethernet: %s", esp_err_to_name(ret));
+		// Cannot continue without network
+		return;
+	}
+
+	// Wait for Ethernet connection (with timeout)
+	ESP_LOGI(TAG, "Waiting for Ethernet connection...");
+	int timeout = 30; // 30 seconds timeout
+	while (!ethernet_is_connected() && timeout > 0) {
+		vTaskDelay(pdMS_TO_TICKS(1000));
+		timeout--;
+		ESP_LOGD(TAG, "Waiting for Ethernet... (%d seconds remaining)", timeout);
+	}
+
+	if (!ethernet_is_connected()) {
+		ESP_LOGW(TAG, "Ethernet not connected after timeout, starting server anyway...");
+	}
+
+	// Start web server
+	ESP_LOGI(TAG, "Starting web server...");
+	ret = web_server_start();
+	if (ret != ESP_OK) {
+		ESP_LOGE(TAG, "Failed to start web server: %s", esp_err_to_name(ret));
+		return;
+	}
+
+	// Print network information
+	char ip[16], netmask[16], gateway[16], mac[18];
+	if (ethernet_get_network_info(ip, netmask, gateway) == ESP_OK) {
+		ESP_LOGI(TAG, "Network Configuration:");
+		ESP_LOGI(TAG, "  IP Address:  %s", ip);
+		ESP_LOGI(TAG, "  Netmask:     %s", netmask);
+		ESP_LOGI(TAG, "  Gateway:     %s", gateway);
+	}
+
+	if (ethernet_get_mac(mac) == ESP_OK) {
+		ESP_LOGI(TAG, "  MAC Address: %s", mac);
+	}
+
+	ESP_LOGI(TAG, "========================================");
+	ESP_LOGI(TAG, "BMC Ready!");
+	ESP_LOGI(TAG, "Web interface: http://%s/", ip);
+	ESP_LOGI(TAG, "========================================");
+
+	// Main loop - monitor system health
+	while (1) {
+		// Update status LED based on connection state
+		if (ethernet_is_connected()) {
+			gpio_set_status_led(true);
+		} else {
+			// Blink LED if not connected
+			gpio_set_status_led(false);
+			vTaskDelay(pdMS_TO_TICKS(500));
+			gpio_set_status_led(true);
+			vTaskDelay(pdMS_TO_TICKS(500));
+			gpio_set_status_led(false);
+		}
+
+		vTaskDelay(pdMS_TO_TICKS(5000));
+	}
+}