From a65c6f85967fb8ceafcb3fe4941b0914b1a5c59d Mon Sep 17 00:00:00 2001
From: Klaus K Wilting <Klaus.K.Wilting@deutschebahn.com>
Date: Fri, 6 Apr 2018 16:09:01 +0200
Subject: [PATCH] reduce screen flicker by removing clearlines

---
 src/macsniff.cpp | 4 ++--
 src/main.cpp     | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/macsniff.cpp b/src/macsniff.cpp
index 764e6555..21f4682e 100644
--- a/src/macsniff.cpp
+++ b/src/macsniff.cpp
@@ -110,7 +110,7 @@ class MyAdvertisedDeviceCallbacks: public BLEAdvertisedDeviceCallbacks {
 void BLECount() {
     ESP_LOGI(TAG, "BLE scan started");
     currentScanDevice = 0; // Set 0 seen device on this scan session
-    //u8x8.clearLine(3); // causes little screen flicker, and seems not needed
+    //u8x8.clearLine(3); // not needed?
     u8x8.drawString(0,3,"BLE Scan...");
     BLEDevice::init(PROGNAME);
     BLEScan* pBLEScan = BLEDevice::getScan(); //create new scan
@@ -150,6 +150,6 @@ void wifi_sniffer_packet_handler(void* buff, wifi_promiscuous_pkt_type_t type) {
     } else {
         ESP_LOGI(TAG, "WiFi RSSI %d -> ignoring (limit: %d)", ppkt->rx_ctrl.rssi, cfg.rssilimit);
     }
-    yield();
+    //yield();
 }
 
diff --git a/src/main.cpp b/src/main.cpp
index 0958e5a1..9b75e623 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -274,7 +274,7 @@ void sniffer_loop(void * pvParameters) {
         snprintf(buff, sizeof(buff), "PAX:%d", (int) macs.size()); // convert 16-bit MAC counter to decimal counter value
         u8x8.setCursor(0,0);
         u8x8.draw2x2String(0, 0, buff);          // display number on unique macs total Wifi + BLE
-        u8x8.clearLine(3);
+        // u8x8.clearLine(3); // not needed?
         u8x8.setCursor(0,3);
         // We just state out of BLE scanning
         if (currentScanDevice) {