Some usefull features: Platformio + Static IP + LED Notification Status

.gitignore

@@ -0,0 +1,5 @@
+.pio
+.vscode/.browse.c_cpp.db*
+.vscode/c_cpp_properties.json
+.vscode/launch.json
+.vscode/ipch

.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+	// See http://go.microsoft.com/fwlink/?LinkId=827846
+	// for the documentation about the extensions.json format
+	"recommendations": [
+		"platformio.platformio-ide"
+	]
+}

ESP-sc-gway/ESP-sc-gway.ino

@@ -255,6 +255,33 @@ void pullData();														// _udpSemtech.ino
 	void ICACHE_FLASH_ATTR ReleaseMutex(int *mutex);
 #endif
 
+#if USE_STATUS_LED==1
+	void blink_led (uint32_t delay_time, uint8_t times);
+#endif
+
+// ----------------------------------------------------------------------------
+// Blink STATUS led
+// ----------------------------------------------------------------------------
+#if USE_STATUS_LED==1
+	void blink_led (uint32_t delay_time=1000, uint8_t times=1)
+	{
+		for(uint8_t i=0; i<times; i++)
+		{
+			digitalWrite(_STATUS_LED_PIN, HIGH);
+			delay(delay_time);
+			digitalWrite(_STATUS_LED_PIN, LOW);
+			delay(delay_time);
+		}
+
+		#if _STATUS_LED_ON_WL_CONNECTED==1
+			if (WiFi.status() == WL_CONNECTED)
+			{
+				digitalWrite(_STATUS_LED_PIN, HIGH);
+			}
+		#endif
+	}
+#endif
+
 
 
 // ============================================================================
@@ -271,6 +298,10 @@ void setup() {
 	MAC_char[18] = 0;
 	char hostname[12];										// hostname space
 
+#	if USE_STATUS_LED==1
+		pinMode(_STATUS_LED_PIN, OUTPUT);
+#	endif
+
 #	if _DUSB>=1
 		Serial.begin(_BAUDRATE);							// As fast as possible for bus
 		delay(500);

ESP-sc-gway/_WiFi.ino

@@ -194,6 +194,13 @@ int wifiMgr()
 //	because WiFi problems would make webserver (which works on WiFi) useless.
 // ----------------------------------------------------------------------------
 int WlanConnect(int maxTry) {
+
+	#if USE_STATIC_IP==1
+		IPAddress local_IP(_STATIC_IP);
+		IPAddress subnet(_SUBNET_MASK);
+		IPAddress gateway(_GATEWAY_IP);
+		IPAddress primaryDNS(_DNS_IP);
+	#endif
 
 	unsigned char agains = 0;
 	unsigned char wpa_index = 0;
@@ -208,6 +215,12 @@ int WlanConnect(int maxTry) {
 
 	while ( (WiFi.status() != WL_CONNECTED) && (( i<= maxTry ) || (maxTry==0)) )
 	{
+#		if USE_STATUS_LED==1
+#			if _STATUS_LED_ON_WL_CONNECTED==1
+				digitalWrite(_STATUS_LED_PIN, 0);
+#			endif
+#		endif
+
 		// We try every SSID in wpa array until success
 		for (int j=wpa_index; (j< (sizeof(wpa)/sizeof(wpa[0]))) && (WiFi.status() != WL_CONNECTED ); j++)
 		{
@@ -237,6 +250,16 @@ int WlanConnect(int maxTry) {
 
 			WiFi.mode(WIFI_STA);
 			delay(1000);
+
+			#if USE_STATIC_IP==1
+				WiFi.config(local_IP, gateway, subnet, primaryDNS);
+#				if _MONITOR>=1
+					if ( debug>=0 ) {
+						Serial.println(F("Using Static IP"));
+					}
+#				endif
+			#endif
+
 			WiFi.begin(ssid, password);
 			delay(8000);
 
@@ -246,6 +269,12 @@ int WlanConnect(int maxTry) {
 			// -1	= No SSID or other cause			
 			int stat = WlanStatus();
 			if ( stat == 1) {
+#				if USE_STATUS_LED==1
+#					if _STATUS_LED_ON_WL_CONNECTED==1
+						digitalWrite(_STATUS_LED_PIN, 1);
+#					endif
+#				endif
+
 				writeGwayCfg(CONFIGFILE, &gwayConfig );					// Write configuration to SPIFFS
 				return(1);
 			}

ESP-sc-gway/_udpSemtech.ino

@@ -307,7 +307,7 @@ int readUdp(int packetSize)
 #			if _GATEWAYMGT==1
 				// For simplicity, we send the first 4 bytes too
 				gateway_mgt(packetSize, buff_down);
-			else
+#			else
 
 #			endif
 #			if _MONITOR>=1
@@ -456,6 +456,10 @@ void pullData() {
 	sendUdp(thingServer, _THINGPORT, pullDataReq, pullIndex);
 #endif
 
+#if USE_STATUS_LED==1
+	blink_led(500, 4);
+#endif
+
 #if _DUSB>=1
     if (( debug>=2 ) && ( pdebug & P_MAIN )) {
 		yield();

ESP-sc-gway/configGway.h

@@ -308,3 +308,7 @@
 #define _TTNPORT 1700							// Standard port for TTN
 
 
+// Use led for status notification
+#define USE_STATUS_LED 1
+#define _STATUS_LED_PIN BUILTIN_LED
+#define _STATUS_LED_ON_WL_CONNECTED 1

ESP-sc-gway/configNode.h

@@ -126,13 +126,25 @@ wpas wpa[] = {
 };
 
 
+// Static IP
+// If you would use static IP instead Dynamic IP (DHCP)
+// flasg this as 1 and set IP, Subnet mask, Gateway IP and DNS
+#define USE_STATIC_IP 1
+
+#if USE_STATIC_IP==1
+#define _STATIC_IP { 192, 168, 100, 254 }
+#define _SUBNET_MASK { 255, 255, 255, 0 }
+#define _GATEWAY_IP { 192, 168, 100, 1 }
+#define _DNS_IP { 8, 8, 8, 8 }
+#endif
+
+
 // Define the name of the accesspoint if the gateway is in accesspoint mode (is
 // getting WiFi SSID and password using WiFiManager)
 #define AP_NAME "ESP8266-Gway-Things4U"
 #define AP_PASSWD "ttnAutoPw"
 
 
-
 // For asserting and testing the following defines are used.
 //
 #if !defined(CFG_noassert)

platformio.ini

@@ -0,0 +1,24 @@
+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+[platformio]
+default_envs = 
+    ttgo-lora32-v1
+
+lib_dir = libraries
+src_dir = ESP-sc-gway
+
+[env]
+platform = espressif32
+framework = arduino
+monitor_speed = 115200
+
+[env:ttgo-lora32-v1]
+board = ttgo-lora32-v1
+