Add HTTP server

main/server.c

@@ -0,0 +1,49 @@
+#include "server.h"
+#include "settings.h"
+
+httpd_handle_t get_server(void);
+
+static void wifi_init_sta(void) {
+    // Initialize the ESP-NETIF
+    esp_netif_init();
+    esp_event_loop_create_default();
+
+    // Create default event loop
+    esp_netif_create_default_wifi_sta();
+
+    // Initialize the Wi-Fi driver
+    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
+    ESP_ERROR_CHECK(esp_wifi_init(&cfg));
+
+    // Set Wi-Fi mode to station
+    ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
+
+    // Configure Wi-Fi connection
+    wifi_config_t wifi_config = {
+        // TODO: Allow setting SSID at boot or build time
+        // For some reason I could not get https://cmake.org/cmake/help/latest/command/add_compile_definitions.html#command:add_compile_definitions to work
+        .sta = {
+            .ssid = WIFI_SSID,
+            .password = WIFI_PASS,
+        },
+    };
+
+    // Set the Wi-Fi configuration
+    ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config));
+    ESP_ERROR_CHECK(esp_wifi_start());
+    ESP_ERROR_CHECK(esp_wifi_connect());
+}
+
+httpd_handle_t start_webserver(void) {
+    httpd_config_t config = HTTPD_DEFAULT_CONFIG();
+    config.lru_purge_enable = true;
+
+    httpd_handle_t server = NULL;
+    ESP_ERROR_CHECK(httpd_start(&server, &config));
+    return server;
+}
+
+httpd_handle_t get_server(void) {
+    wifi_init_sta();
+    return start_webserver();
+}