add got ip event handler

components/esp32/event.c

@@ -79,6 +79,7 @@ static system_event_handle_t g_system_event_handle_table[] = {
     {SYSTEM_EVENT_STA_CONNECTED,       system_event_sta_connected_handle_default},
     {SYSTEM_EVENT_STA_DISCONNECTED,    system_event_sta_disconnected_handle_default},
     {SYSTEM_EVENT_STA_AUTHMODE_CHANGE, NULL},
+    {SYSTEM_EVENT_STA_GOTIP,           NULL},
     {SYSTEM_EVENT_AP_START,            system_event_ap_start_handle_default},
     {SYSTEM_EVENT_AP_STOP,             system_event_ap_stop_handle_default},
     {SYSTEM_EVENT_AP_STACONNECTED,     NULL},
@@ -161,6 +162,7 @@ static esp_err_t esp_system_event_debug(system_event_t *event)
     system_event_sta_connected_t *connected; 
     system_event_sta_disconnected_t *disconnected;
     system_event_sta_authmode_change_t *auth_change;
+    system_event_sta_gotip_t *got_ip;
     system_event_ap_staconnected_t *staconnected;
     system_event_ap_stadisconnected_t *stadisconnected;
     system_event_ap_probe_req_rx_t *ap_probereqrecved;
@@ -202,6 +204,10 @@ static esp_err_t esp_system_event_debug(system_event_t *event)
             auth_change = &event->event_info.auth_change;
             os_printf("SYSTEM_EVENT_STA_AUTHMODE_CHNAGE\nold_mode:%d, new_mode:%d\n", auth_change->old_mode, auth_change->new_mode);
             break;
+        case SYSTEM_EVENT_STA_GOTIP:
+            got_ip = &event->event_info.got_ip;
+            os_printf("SYSTEM_EVENT_STA_GOTIP\n");
+            break;
         case SYSTEM_EVENT_AP_START:
             os_printf("SYSTEM_EVENT_AP_START\n");
             break;

components/esp32/include/esp_event.h

@@ -32,6 +32,7 @@ typedef enum {
     SYSTEM_EVENT_STA_CONNECTED,            /**< ESP32 station connected to AP */
     SYSTEM_EVENT_STA_DISCONNECTED,         /**< ESP32 station disconnected to AP */
     SYSTEM_EVENT_STA_AUTHMODE_CHANGE,      /**< the auth mode of AP connected by ESP32 station changed */
+    SYSTEM_EVENT_STA_GOTIP,
     SYSTEM_EVENT_AP_START,                 /**< ESP32 softap start */
     SYSTEM_EVENT_AP_STOP,                  /**< ESP32 softap start */
     SYSTEM_EVENT_AP_STACONNECTED,          /**< a station connected to ESP32 soft-AP */
@@ -40,6 +41,10 @@ typedef enum {
     SYSTEM_EVENT_MAX
 } system_event_id_t;
 
+typedef struct {
+    uint32_t addr;
+} esp_ip_addr_t;
+
 typedef struct {
     uint32_t status;          /**< status of scanning APs*/
     uint8_t  number;
@@ -64,6 +69,12 @@ typedef struct {
     uint8_t new_mode;         /**< the new auth mode of AP */
 } system_event_sta_authmode_change_t;
 
+typedef struct {
+    esp_ip_addr_t ip;
+    esp_ip_addr_t netmask;
+    esp_ip_addr_t gw;
+} system_event_sta_gotip_t;
+
 typedef struct {
     uint8_t mac[6];           /**< MAC address of the station connected to ESP32 soft-AP */
     uint8_t aid;              /**< the aid that ESP32 soft-AP gives to the station connected to  */
@@ -84,6 +95,7 @@ typedef union {
     system_event_sta_disconnected_t            disconnected;       /**< ESP32 station disconnected to AP */
     system_event_sta_scan_done_t               scan_done;          /**< ESP32 station scan (APs) done */
     system_event_sta_authmode_change_t         auth_change;        /**< the auth mode of AP ESP32 station connected to changed */
+    system_event_sta_gotip_t                   got_ip;
     system_event_ap_staconnected_t             sta_connected;      /**< a station connected to ESP32 soft-AP */
     system_event_ap_stadisconnected_t          sta_disconnected;   /**< a station disconnected to ESP32 soft-AP */
     system_event_ap_probe_req_rx_t             ap_probereqrecved;  /**< ESP32 softAP receive probe request packet */

components/tcpip_adapter/tcpip_adapter_lwip.c

@@ -27,6 +27,8 @@
 
 #include "apps/dhcpserver.h"
 
+#include "esp_event.h"
+
 static struct netif *esp_netif[TCPIP_ADAPTER_IF_MAX];
 static struct ip_info esp_ip[TCPIP_ADAPTER_IF_MAX];
 
@@ -183,6 +185,7 @@ esp_err_t tcpip_adapter_get_ip_info(tcpip_adapter_if_t tcpip_if, struct ip_info
 esp_err_t tcpip_adapter_addr_change_cb(struct netif *netif)
 {
     tcpip_adapter_if_t tcpip_if;
+    system_event_t evt;
 
     if (!netif) {
         TCPIP_ADAPTER_DEBUG("null netif=%p\n", netif);
@@ -208,6 +211,12 @@ esp_err_t tcpip_adapter_addr_change_cb(struct netif *netif)
         ip4_addr_set(&esp_ip[tcpip_if].gw, ip_2_ip4(&netif->gw));
 
         //notify event
+        evt.event_id = SYSTEM_EVENT_STA_GOTIP;
+        memcpy(&evt.event_info.got_ip.ip, &esp_ip[tcpip_if].ip, sizeof(evt.event_info.got_ip.ip));
+        memcpy(&evt.event_info.got_ip.netmask, &esp_ip[tcpip_if].netmask, sizeof(evt.event_info.got_ip.netmask));
+        memcpy(&evt.event_info.got_ip.gw, &esp_ip[tcpip_if].gw, sizeof(evt.event_info.got_ip.gw));
+        esp_event_send(&evt);
+
         printf("ip: %s, ", inet_ntoa(esp_ip[tcpip_if].ip));
         printf("mask: %s, ", inet_ntoa(esp_ip[tcpip_if].netmask));
         printf("gw: %s\n", inet_ntoa(esp_ip[tcpip_if].gw));