Update WiFi LoRa 32 factory test example

Author: Heltec-Aaron-Lee

examples/Factory_Test/WiFi_LoRa_32FactoryTest/WiFi_LoRa_32FactoryTest.ino

@@ -8,23 +8,22 @@
  * 
  * - LED blink test;
  * 
- * - WIFI join and scan test;
+ * - WIFI connect and scan test;
  * 
- * - LoRa Ping-Pong test(DIO0 -- GPIO26 interrup check the new incoming messages;
+ * - LoRa Ping-Pong test (DIO0 -- GPIO26 interrup check the new incoming messages);
  * 
  * - Timer test and some other Arduino basic functions.
  *
  * by Aaron.Lee from HelTec AutoMation, ChengDu, China
  * 成都惠利特自动化科技有限公司
- * www.heltec.cn
+ * https://heltec.org
  *
  * this project also realess in GitHub:
  * https://github.com/HelTecAutomation/Heltec_ESP32
 */
 
 #include "Arduino.h"
 #include "heltec.h"
-#include "LoRa.h"
 #include "WiFi.h"
 #include "images.h"
 
@@ -40,6 +39,7 @@ bool receiveflag = false; // software flag for LoRa receiver, received data make
 
 long lastSendTime = 0;        // last send time
 int interval = 1000;          // interval between sends
+uint64_t chipid;
 
 void logo(){
 	Heltec.display -> clear();
@@ -51,10 +51,10 @@ void WIFISetUp(void)
 {
 	// Set WiFi to station mode and disconnect from an AP if it was previously connected
 	WiFi.disconnect(true);
-	delay(1000);
+	delay(100);
 	WiFi.mode(WIFI_STA);
 	WiFi.setAutoConnect(true);
-  WiFi.begin("Your WiFi SSID","Your Password");//fill in "Your WiFi SSID","Your Password"
+	WiFi.begin("Your WiFi SSID","Your Password");//fill in "Your WiFi SSID","Your Password"
 	delay(100);
 
 	byte count = 0;
@@ -88,10 +88,8 @@ void WIFISetUp(void)
 void WIFIScan(unsigned int value)
 {
 	unsigned int i;
-  if(WiFi.status() != WL_CONNECTED)
-  {
-    WiFi.mode(WIFI_MODE_NULL);
-  }	
+    WiFi.mode(WIFI_STA);
+
 	for(i=0;i<value;i++)
 	{
 		Heltec.display -> drawString(0, 20, "Scan start...");
@@ -152,7 +150,6 @@ void interrupt_GPIO0()
   }
 }
 
-
 void setup()
 {
 	Heltec.begin(true /*DisplayEnable Enable*/, true /*LoRa Enable*/, true /*Serial Enable*/, true /*LoRa use PABOOST*/, BAND /*LoRa RF working band*/);
@@ -162,18 +159,21 @@ void setup()
 	Heltec.display -> clear();
 
 	WIFISetUp();
-  WiFi.disconnect(true); //重新初始化WIFI
-  delay(1000);
-  WiFi.mode(WIFI_STA);
-  WiFi.setAutoConnect(true);
-	
+	WiFi.disconnect(); //重新初始化WIFI
+	WiFi.mode(WIFI_STA);
+	delay(100);
+
 	WIFIScan(1);
-  
-  attachInterrupt(0,interrupt_GPIO0,FALLING);
+
+	chipid=ESP.getEfuseMac();//The chip ID is essentially its MAC address(length: 6 bytes).
+	Serial.printf("ESP32ChipID=%04X",(uint16_t)(chipid>>32));//print High 2 bytes
+	Serial.printf("%08X\n",(uint32_t)chipid);//print Low 4bytes.
+
+  	attachInterrupt(0,interrupt_GPIO0,FALLING);
 	LoRa.onReceive(onReceive);
-  send();
-  LoRa.receive();
-  displaySendReceive();
+  	send();
+  	LoRa.receive();
+  	displaySendReceive();
 }
 
 
@@ -238,7 +238,7 @@ void onReceive(int packetSize)//LoRa receiver interrupt service
 {
 	//if (packetSize == 0) return;
 
-	  packet = "";
+	packet = "";
     packSize = String(packetSize,DEC);
 
     while (LoRa.available())

src/oled/OLEDDisplay.cpp

@@ -93,7 +93,7 @@ void OLEDDisplay::wakeup() {
 void OLEDDisplay::resetDisplay(uint8_t rstPin) {
 	pinMode(rstPin, OUTPUT);
 	digitalWrite(rstPin,LOW);
-	delay(500);
+	delay(100);
 	digitalWrite(rstPin,HIGH);
 
 	clear();