Fix case of WiFi.channel() method

Author: igrr

hardware/esp8266com/esp8266/libraries/ESP8266WiFi/src/ESP8266WiFi.cpp

@@ -251,7 +251,7 @@ uint8_t* ESP8266WiFiClass::BSSID(void)
     return reinterpret_cast<uint8_t*>(conf.bssid);
 }
 
-int32_t ESP8266WiFiClass::Channel(void) {
+int32_t ESP8266WiFiClass::channel(void) {
     return wifi_get_channel();
 }
 
@@ -353,7 +353,7 @@ uint8_t * ESP8266WiFiClass::BSSID(uint8_t i)
     return it->bssid;
 }
 
-int32_t ESP8266WiFiClass::Channel(uint8_t i)
+int32_t ESP8266WiFiClass::channel(uint8_t i)
 {
     struct bss_info* it = reinterpret_cast<struct bss_info*>(_getScanInfoByIndex(i));
     if (!it)

hardware/esp8266com/esp8266/libraries/ESP8266WiFi/src/ESP8266WiFi.h

@@ -160,7 +160,7 @@ class ESP8266WiFiClass
      *
      * return: channel
      */
-    int32_t Channel(void);
+    int32_t channel(void);
 
     /*
      * Return the current network RSSI. Note: this is just a stub, there is no way to
@@ -214,11 +214,11 @@ class ESP8266WiFiClass
     uint8_t * BSSID(uint8_t networkItem);
 
     /**
-     * return Channel of scanned wifi
+     * return channel of scanned wifi
      * @param networkItem specify from which network item want to get the information
-     * @return uint32_t Channel of scanned wifi
+     * @return uint32_t channel of scanned wifi
      */
-    int32_t Channel(uint8_t networkItem);
+    int32_t channel(uint8_t networkItem);
 
     /**
      * return if the scanned wifi is Hidden (no SSID)

hardware/esp8266com/esp8266/libraries/ESP8266WiFi/src/ESP8266WiFiMulti.cpp

@@ -123,7 +123,7 @@ wl_status_t ESP8266WiFiMulti::run(void) {
                     DEBUG_WIFI_MULTI("[WIFI] SSID: %s\n", WiFi.SSID());
                     DEBUG_WIFI_MULTI("[WIFI] IP: %d.%d.%d.%d\n", ip[0], ip[1], ip[2], ip[3]);
                     DEBUG_WIFI_MULTI("[WIFI] MAC: %02X:%02X:%02X:%02X:%02X:%02X\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
-                    DEBUG_WIFI_MULTI("[WIFI] Channel: %d\n", WiFi.Channel());
+                    DEBUG_WIFI_MULTI("[WIFI] Channel: %d\n", WiFi.channel());
                     break;
                 case WL_NO_SSID_AVAIL:
                     DEBUG_WIFI_MULTI("[WIFI] Connecting Faild AP not found.\n");