From 571b36d05f48209d5c269b70c7c053bd0908acc9 Mon Sep 17 00:00:00 2001
From: Phat Nguyen <phat.nt@hotmail.com>
Date: Sat, 17 Feb 2024 13:50:22 +0700
Subject: [PATCH] Optimize `Serial nr` show and display do not show content
 after power up or flash firmware

---
 examples/BASIC_v4/BASIC_v4.ino | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/examples/BASIC_v4/BASIC_v4.ino b/examples/BASIC_v4/BASIC_v4.ino
index d413a4a..f4485b3 100644
--- a/examples/BASIC_v4/BASIC_v4.ino
+++ b/examples/BASIC_v4/BASIC_v4.ino
@@ -525,6 +525,7 @@ static void boardInit(void) {
   /** Display init */
   ag.display.begin(Wire);
   ag.display.setTextColor(1);
+  ag.display.clear();
 }
 
 static void failedHandler(String msg) {
@@ -667,7 +668,10 @@ static void updateWiFiConnect(void) {
   }
 }
 
-static void showNr(void) { Serial.println("Serial nr: " + getDevId()); }
+static void showNr(void) {
+  Serial.println();
+  Serial.println("Serial nr: " + getDevId());
+}
 
 String getNormalizedMac() {
   String mac = WiFi.macAddress();