esp8266/modnetwork: Rename WLAN keyword args to ssid/security/key.

The WLAN.config() method now supports "ssid", "security" and "key" as
aliases to the existing "essid", "authmode" and "password", which are now
deprecated.  The help text and setup helper are also updated.

Addresses issue #8083.

ports/esp8266/help.c

@@ -37,11 +37,11 @@ const char esp_help_text[] =
     "import network\n"
     "sta_if = network.WLAN(network.STA_IF); sta_if.active(True)\n"
     "sta_if.scan()                             # Scan for available access points\n"
-    "sta_if.connect(\"<AP_name>\", \"<password>\") # Connect to an AP\n"
+    "sta_if.connect(\"<AP_name>\", \"<key>\") # Connect to an AP\n"
     "sta_if.isconnected()                      # Check for successful connection\n"
     "# Change name/password of ESP8266's AP:\n"
     "ap_if = network.WLAN(network.AP_IF)\n"
-    "ap_if.config(essid=\"<AP_NAME>\", authmode=network.AUTH_WPA_WPA2_PSK, password=\"<password>\")\n"
+    "ap_if.config(ssid=\"<AP_NAME>\", security=network.AUTH_WPA_WPA2_PSK, key=\"<key>\")\n"
     "\n"
     "Control commands:\n"
     "  CTRL-A        -- on a blank line, enter raw REPL mode\n"

ports/esp8266/modnetwork.c

@@ -109,7 +109,7 @@ STATIC mp_obj_t esp_active(size_t n_args, const mp_obj_t *args) {
 STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_active_obj, 1, 2, esp_active);
 
 STATIC mp_obj_t esp_connect(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
-    enum { ARG_ssid, ARG_password, ARG_bssid };
+    enum { ARG_ssid, ARG_key, ARG_bssid };
     static const mp_arg_t allowed_args[] = {
         { MP_QSTR_, MP_ARG_OBJ, {.u_obj = mp_const_none} },
         { MP_QSTR_, MP_ARG_OBJ, {.u_obj = mp_const_none} },
@@ -133,8 +133,8 @@ STATIC mp_obj_t esp_connect(size_t n_args, const mp_obj_t *pos_args, mp_map_t *k
         memcpy(config.ssid, p, len);
         set_config = true;
     }
-    if (args[ARG_password].u_obj != mp_const_none) {
-        p = mp_obj_str_get_data(args[ARG_password].u_obj, &len);
+    if (args[ARG_key].u_obj != mp_const_none) {
+        p = mp_obj_str_get_data(args[ARG_key].u_obj, &len);
         len = MIN(len, sizeof(config.password));
         memcpy(config.password, p, len);
         set_config = true;
@@ -361,6 +361,7 @@ STATIC mp_obj_t esp_config(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs
                         wifi_set_macaddr(self->if_id, bufinfo.buf);
                         break;
                     }
+                    case MP_QSTR_ssid:
                     case MP_QSTR_essid: {
                         req_if = SOFTAP_IF;
                         size_t len;
@@ -375,11 +376,13 @@ STATIC mp_obj_t esp_config(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs
                         cfg.ap.ssid_hidden = mp_obj_is_true(kwargs->table[i].value);
                         break;
                     }
+                    case MP_QSTR_security:
                     case MP_QSTR_authmode: {
                         req_if = SOFTAP_IF;
                         cfg.ap.authmode = mp_obj_get_int(kwargs->table[i].value);
                         break;
                     }
+                    case MP_QSTR_key:
                     case MP_QSTR_password: {
                         req_if = SOFTAP_IF;
                         size_t len;
@@ -437,6 +440,7 @@ STATIC mp_obj_t esp_config(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs
             wifi_get_macaddr(self->if_id, mac);
             return mp_obj_new_bytes(mac, sizeof(mac));
         }
+        case MP_QSTR_ssid:
         case MP_QSTR_essid:
             if (self->if_id == STATION_IF) {
                 val = mp_obj_new_str((char *)cfg.sta.ssid, strlen((char *)cfg.sta.ssid));
@@ -448,6 +452,7 @@ STATIC mp_obj_t esp_config(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs
             req_if = SOFTAP_IF;
             val = mp_obj_new_bool(cfg.ap.ssid_hidden);
             break;
+        case MP_QSTR_security:
         case MP_QSTR_authmode:
             req_if = SOFTAP_IF;
             val = MP_OBJ_NEW_SMALL_INT(cfg.ap.authmode);

ports/esp8266/modules/inisetup.py

@@ -7,8 +7,8 @@ def wifi():
     import ubinascii
 
     ap_if = network.WLAN(network.AP_IF)
-    essid = b"MicroPython-%s" % ubinascii.hexlify(ap_if.config("mac")[-3:])
-    ap_if.config(essid=essid, authmode=network.AUTH_WPA_WPA2_PSK, password=b"micropythoN")
+    ssid = b"MicroPython-%s" % ubinascii.hexlify(ap_if.config("mac")[-3:])
+    ap_if.config(ssid=ssid, security=network.AUTH_WPA_WPA2_PSK, key=b"micropythoN")
 
 
 def check_bootsec():