OTA pipeline working

esp32/main/protocol.cpp

@@ -3,6 +3,8 @@
 #include <stdio.h>
 #include <stdarg.h>
 #include <inttypes.h>
+#include "esp_wifi.h"
+#include "esp_netif.h"
 
 #define PROTOCOL_VERSION 1
 
@@ -195,16 +197,45 @@ uint32_t protocol_next_id()
 
 void protocol_send_event_hb(int64_t ts)
 {
-    // формируешь JSON строго по контракту
+    char buf[256];
 
-    // пример:
-    char buf[128];
+    wifi_ap_record_t ap;
+    esp_wifi_sta_get_ap_info(&ap);
+
+    int rssi = ap.rssi;
+    const char *ssid = (const char *)ap.ssid;
+
+    esp_netif_ip_info_t ip_info;
+    esp_netif_t *netif = esp_netif_get_handle_from_ifkey("WIFI_STA_DEF");
+
+    esp_netif_get_ip_info(netif, &ip_info);
+
+    uint32_t ip = ip_info.ip.addr;
+
+    size_t heap_free = heap_caps_get_free_size(MALLOC_CAP_DEFAULT);
+    size_t heap_largest = heap_caps_get_largest_free_block(MALLOC_CAP_DEFAULT);
 
     uint32_t id = protocol_next_id();
 
     snprintf(buf, sizeof(buf),
-        "{\"v\":1,\"id\":%" PRIu32 ",\"t\":\"e\",\"ts\":%" PRIu64 ",\"d\":%u,\"p\":{\"type\":\"hb\"}}",
-        id, ts, CONFIG_DEVICE_ID);
+    "{\"v\":1,\"id\":%" PRIu32 ",\"t\":\"e\",\"ts\":%" PRIu64 ",\"d\":%u,"
+    "\"p\":{"
+        "\"t\":\"hb\","
+        "\"v\":%u,"
+        "\"hp\":%u,"
+        "\"hl\":%u,"
+        "\"rs\":%d,"
+        "\"ip\":%" PRIu32 ","
+        "\"si\":\"%s\""
+    "}}",
+    id, ts, CONFIG_DEVICE_ID,
+    FW_VERSION,
+    heap_free,
+    heap_largest,
+    rssi,
+    ip,
+    ssid
+);
 
     ws_send(buf);
 }