 	int len = p->rx_ctrl.sig_len;
 	len -= sizeof(WifiMgmtHdr);
 	if (len < 0){
-		Serial.println("Received 0");
+		if(DEBUG_MAC) Serial.println("Received 0");
 		return;
 	}
-	
 	if(memcmp(mac->sa,mac->bssid,6)==0)return;	// ビーコンの除去
 	if(_mac_prev_n && !memcmp(_mac_prev,mac->sa,6)){
 		if( _mac_fc_hold || _fc_prev == mac->fctl){

	
	if(!_mac_read_i) memcpy(_recieved_mac,mac->sa,6);
	_mac_read_i++;
}

int promiscuous_get_mac(byte *mac){


void promiscuous_start(byte channel){
	if( DEBUG_MAC ){
		Serial.print("ESP32 promiscuous mode started. Channel: ");
		Serial.println(channel);
		Serial.println("Please turn on your wi-fi STA or push Amazon Dash Button");
	}
