Merge branch 'feature/compute_ap_scan_num' into 'master'

Add function to return max scan AP number

See merge request sdk/ESP8266_RTOS_SDK!346

components/esp8266/Kconfig

@@ -30,6 +30,20 @@ endchoice
 
 endmenu
 
+menu WIFI
+
+config SCAN_AP_MAX
+    int "Max scan AP number"
+    range 1 64
+    default 32
+    help
+        Function "esp_wifi_scan_get_ap_num" return value will be less than this. It is said that user cannot
+        scan more than this.
+
+        User can use own function "esp_wifi_scan_get_ap_num_max" to determin how many AP to scan , too.
+
+endmenu
+
 menu PHY
 
 config ESP_PHY_CALIBRATION_AND_DATA_STORAGE

components/esp8266/lib/VERSION

@@ -2,7 +2,7 @@ gwen:
     crypto:     8943c89
     espnow:     8943c89
     core:       2f2b0ef
-    net80211:   7ad7dee
+    net80211:   09abf27
     pp:         06e0988
     pwm:        0181338
     smartconfig:8d61f0e

components/esp8266/source/esp_wifi.c

@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#include "sdkconfig.h"
 #include "esp_libc.h"
 #include "esp_system.h"
 #include "esp_wifi.h"
@@ -50,3 +51,8 @@ void esp_deep_sleep_set_rf_option(uint8_t option)
 {
     phy_afterwake_set_rfoption(option);
 }
+
+size_t __attribute__((weak)) esp_wifi_scan_get_ap_num_max(void)
+{
+    return CONFIG_SCAN_AP_MAX;
+}