From 73c48b1b453e3531966901f088f35f8d94e392c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Krac=C3=ADk?= <petrkr@petrkr.net>
Date: Fri, 1 Mar 2019 08:52:40 +0100
Subject: [PATCH] esp32/modnetwork: Implement RSSI for WiFi STA via
 WLAN.status('rssi').

---
 ports/esp32/modnetwork.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/ports/esp32/modnetwork.c b/ports/esp32/modnetwork.c
index 3754b293f1..a9c379e16b 100644
--- a/ports/esp32/modnetwork.c
+++ b/ports/esp32/modnetwork.c
@@ -398,7 +398,14 @@ STATIC mp_obj_t esp_status(size_t n_args, const mp_obj_t *args) {
             }
             return list;
         }
+        case (uintptr_t)MP_OBJ_NEW_QSTR(MP_QSTR_rssi): {
+            // return signal of AP, only in STA mode
+            require_if(args[0], WIFI_IF_STA);
 
+            wifi_ap_record_t info;
+            ESP_EXCEPTIONS(esp_wifi_sta_get_ap_info(&info));
+            return MP_OBJ_NEW_SMALL_INT(info.rssi);
+        }
         default:
             mp_raise_ValueError("unknown status param");
     }