Initial commit

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.16)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(minimal_asterisk_ping)

main/CMakeLists.txt

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+idf_component_register(
+    SRCS "main.c"
+    INCLUDE_DIRS "."
+)

main/main.c

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+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+
+#include "esp_wifi.h"
+#include "esp_event.h"
+#include "esp_log.h"
+#include "nvs_flash.h"
+
+#include "lwip/sockets.h"
+
+#define WIFI_SSID "TOCHTECH"
+#define WIFI_PASS "Smarturns2017"
+
+#define ASTERISK_IP "192.168.68.93"
+#define ASTERISK_PORT 5038   // Asterisk AMI port (safe TCP test)
+
+static const char *TAG = "PING_TEST";
+
+/* ---------------- WIFI ---------------- */
+
+static void wifi_event_handler(void *arg, esp_event_base_t event_base,
+                               int32_t event_id, void *event_data)
+{
+    if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
+        esp_wifi_connect();
+    } else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
+        ESP_LOGI(TAG, "WiFi disconnected, retrying...");
+        esp_wifi_connect();
+    } else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
+        ESP_LOGI(TAG, "WiFi connected!");
+    }
+}
+
+void wifi_init(void)
+{
+    nvs_flash_init();
+    esp_netif_init();
+    esp_event_loop_create_default();
+    esp_netif_create_default_wifi_sta();
+
+    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
+    esp_wifi_init(&cfg);
+
+    esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &wifi_event_handler, NULL);
+    esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &wifi_event_handler, NULL);
+
+    wifi_config_t wifi_config = {
+        .sta = {
+            .ssid = WIFI_SSID,
+            .password = WIFI_PASS,
+        },
+    };
+
+    esp_wifi_set_mode(WIFI_MODE_STA);
+    esp_wifi_set_config(WIFI_IF_STA, &wifi_config);
+    esp_wifi_start();
+}
+
+/* ---------------- TCP CHECK ---------------- */
+
+void check_asterisk(void)
+{
+    while (1) {
+        struct sockaddr_in dest;
+        dest.sin_addr.s_addr = inet_addr(ASTERISK_IP);
+        dest.sin_family = AF_INET;
+        dest.sin_port = htons(ASTERISK_PORT);
+
+        int sock = socket(AF_INET, SOCK_STREAM, 0);
+        if (sock < 0) {
+            ESP_LOGE(TAG, "Socket create failed");
+            vTaskDelay(pdMS_TO_TICKS(2000));
+            continue;
+        }
+
+        ESP_LOGI(TAG, "Checking Asterisk at %s:%d...", ASTERISK_IP, ASTERISK_PORT);
+
+        int err = connect(sock, (struct sockaddr*)&dest, sizeof(dest));
+
+        if (err == 0) {
+    ESP_LOGI(TAG, "TCP connected → sending AMI login");
+
+    const char *login =
+        "Action: Login\r\n"
+        "Username: esp32s3\r\n"
+        "Secret: 1234\r\n"
+        "Events: off\r\n"
+        "\r\n";
+
+    send(sock, login, strlen(login), 0);
+
+    char buf[512];
+    int len = recv(sock, buf, sizeof(buf) - 1, 0);
+
+    if (len > 0) {
+        buf[len] = 0;
+        ESP_LOGI(TAG, "AMI RESPONSE:\n%s", buf);
+
+        if (strstr(buf, "Success")) {
+            ESP_LOGI(TAG, "✅ AMI LOGIN SUCCESS");
+        } else {
+            ESP_LOGW(TAG, "❌ AMI LOGIN FAILED");
+        }
+    } else {
+        ESP_LOGW(TAG, "No AMI response");
+    }
+
+} else {
+    ESP_LOGW(TAG, "❌ Asterisk NOT reachable");
+}
+
+        close(sock);
+
+        vTaskDelay(pdMS_TO_TICKS(5000));
+    }
+}
+
+/* ---------------- MAIN ---------------- */
+
+void app_main(void)
+{
+    ESP_LOGI(TAG, "Starting minimal Asterisk connectivity test");
+
+    wifi_init();
+
+    vTaskDelay(pdMS_TO_TICKS(5000)); // wait for WiFi
+
+    xTaskCreate(check_asterisk, "check_asterisk", 4096, NULL, 5, NULL);
+}