W6100 khoih-prog / AsyncUDP_ESP32_Ethernet

to apply the better and faster asynchronous feature of the powerful AsyncUDP into ESP32 boards using LwIP W5500, W6100 ethernet.

eric_g

Published February 01, 2023

43 UCC

22 VAR

Original author: khoih prog · CanadaOriginal source (new tab)

Components

Hardware components

WIZnet - W6100

x 1

Project description

This library is based on, modified from:

Hristo Gochkov's AsyncUDP

to apply the better and faster asynchronous feature of the powerful AsyncUDP into ESP32 boards using LwIP W5500, W6100 or ENC28J60 Ethernet.

HOWTO Setting up the Async UDP Client

AsyncUDP_ESP32_Ethernet/examples/AsyncUdpSendReceive/AsyncUdpSendReceive.ino

Lines 11 to 376 in c63051f

	#if !( defined(ESP32) )
	#error This code is designed for (ESP32 + LwIP W5500, W6100 or ENC28J60) to run on ESP32 platform! Please check your Tools->Board setting.
	#endif

	#include <Arduino.h>

	#define USING_W5500 false
	#define USING_W6100 true
	#define USING_ENC28J60 false

	#if !USING_W5500 && !USING_W6100 && !USING_ENC28J60
	#undef USING_W5500
	#define USING_W5500 true
	#endif

	#define ASYNC_UDP_ESP32_ETHERNET_DEBUG_PORT Serial

	// Use from 0 to 4. Higher number, more debugging messages and memory usage.
	#define _ASYNC_UDP_ESP32_ETHERNET_LOGLEVEL_ 2

	//////////////////////////////////////////////////////////

	#if USING_W5500

	#define ESP32_Ethernet_onEvent ESP32_W5500_onEvent
	#define ESP32_Ethernet_waitForConnect ESP32_W5500_waitForConnect

	// For ESP32_S3
	// Optional values to override default settings
	// Don't change unless you know what you're doing
	//#define ETH_SPI_HOST SPI3_HOST
	//#define SPI_CLOCK_MHZ 25

	// Must connect INT to GPIOxx or not working
	//#define INT_GPIO 4

	//#define MISO_GPIO 13
	//#define MOSI_GPIO 11
	//#define SCK_GPIO 12
	//#define CS_GPIO 10

	// For ESP32_C3
	// Optional values to override default settings
	// Don't change unless you know what you're doing
	//#define ETH_SPI_HOST SPI2_HOST
	//#define SPI_CLOCK_MHZ 25

	// Must connect INT to GPIOxx or not working
	//#define INT_GPIO 10

	//#define MISO_GPIO 5
	//#define MOSI_GPIO 6
	//#define SCK_GPIO 4
	//#define CS_GPIO 7

	//////////////////////////////////////////////////////////

	#elif USING_W6100

	#define ESP32_Ethernet_onEvent ESP32_W6100_onEvent
	#define ESP32_Ethernet_waitForConnect ESP32_W6100_waitForConnect

	// For ESP32_S3
	// Optional values to override default settings
	// Don't change unless you know what you're doing
	//#define ETH_SPI_HOST SPI3_HOST
	//#define SPI_CLOCK_MHZ 25

	// Must connect INT to GPIOxx or not working
	//#define INT_GPIO 4

	//#define MISO_GPIO 13
	//#define MOSI_GPIO 11
	//#define SCK_GPIO 12
	//#define CS_GPIO 10

	// For ESP32_C3
	// Optional values to override default settings
	// Don't change unless you know what you're doing
	//#define ETH_SPI_HOST SPI2_HOST
	//#define SPI_CLOCK_MHZ 25

	// Must connect INT to GPIOxx or not working
	//#define INT_GPIO 10

	//#define MISO_GPIO 5
	//#define MOSI_GPIO 6
	//#define SCK_GPIO 4
	//#define CS_GPIO 7

	//////////////////////////////////////////////////////////

	#else // #if USING_W5500

	//////////////////////////////////////////////////////////

	// For ENC28J60

	#define ESP32_Ethernet_onEvent ESP32_ENC_onEvent
	#define ESP32_Ethernet_waitForConnect ESP32_ENC_waitForConnect
	#define ETH_SPI_HOST SPI_HOST

	// Optional values to override default settings
	// Don't change unless you know what you're doing
	//#define SPI_HOST SPI2_HOST
	//#define SPI_CLOCK_MHZ 8

	// Must connect INT to GPIOxx or not working
	//#define INT_GPIO 4

	//#define MISO_GPIO 13
	//#define MOSI_GPIO 11
	//#define SCK_GPIO 12
	//#define CS_GPIO 10

	//////////////////////////////////////////////////////////

	#endif // #if USING_W5500

	//////////////////////////////////////////////////////////

	#include <AsyncUDP_ESP32_Ethernet.h>

	/////////////////////////////////////////////

	// Enter a MAC address and IP address for your controller below.
	#define NUMBER_OF_MAC 20

	byte mac[][NUMBER_OF_MAC] =
	{
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
	};

	// Select the IP address according to your local network
	IPAddress myIP(192, 168, 2, 232);
	IPAddress myGW(192, 168, 2, 1);
	IPAddress mySN(255, 255, 255, 0);

	// Google DNS Server IP
	IPAddress myDNS(8, 8, 8, 8);

	/////////////////////////////////////////////

	#include <time.h>

	// 0.ca.pool.ntp.org
	IPAddress timeServerIP = IPAddress(208, 81, 1, 244);
	// time.nist.gov
	//IPAddress timeServerIP = IPAddress(132, 163, 96, 1);

	#define NTP_REQUEST_PORT 123

	char ReplyBuffer[] = "ACK"; // a string to send back

	char timeServer[] = "time.nist.gov"; // NTP server

	const int NTP_PACKET_SIZE = 48; // NTP timestamp is in the first 48 bytes of the message

	byte packetBuffer[NTP_PACKET_SIZE]; // buffer to hold incoming and outgoing packets

	// A UDP instance to let us send and receive packets over UDP
	AsyncUDP Udp;

	void sendACKPacket(void)
	{
	Serial.println("============= sendACKPacket =============");

	// Send unicast ACK to the same remoteIP and remotePort we received the packet
	// The AsyncUDP_STM32 library will take care of the correct IP and port based on pcb
	Udp.write((uint8_t *) ReplyBuffer, sizeof(ReplyBuffer));
	}

	// send an NTP request to the time server at the given address
	void createNTPpacket(void)
	{
	Serial.println("============= createNTPpacket =============");

	// set all bytes in the buffer to 0
	memset(packetBuffer, 0, NTP_PACKET_SIZE);
	// Initialize values needed to form NTP request
	// (see URL above for details on the packets)

	packetBuffer[0] = 0b11100011; // LI, Version, Mode
	packetBuffer[1] = 0; // Stratum, or type of clock
	packetBuffer[2] = 6; // Polling Interval
	packetBuffer[3] = 0xEC; // Peer Clock Precision

	// 8 bytes of zero for Root Delay & Root Dispersion
	packetBuffer[12] = 49;
	packetBuffer[13] = 0x4E;
	packetBuffer[14] = 49;
	packetBuffer[15] = 52;
	}

	void sendNTPPacket(void)
	{
	createNTPpacket();
	//Send unicast
	Udp.write(packetBuffer, sizeof(packetBuffer));
	}

	void parsePacket(AsyncUDPPacket packet)
	{
	struct tm ts;
	char buf[80];

	memcpy(packetBuffer, packet.data(), sizeof(packetBuffer));

	Serial.print("Received UDP Packet Type: ");
	Serial.println(packet.isBroadcast() ? "Broadcast" : packet.isMulticast() ? "Multicast" : "Unicast");
	Serial.print("From: ");
	Serial.print(packet.remoteIP());
	Serial.print(":");
	Serial.print(packet.remotePort());
	Serial.print(", To: ");
	Serial.print(packet.localIP());
	Serial.print(":");
	Serial.print(packet.localPort());
	Serial.print(", Length: ");
	Serial.print(packet.length());
	Serial.println();

	unsigned long highWord = word(packetBuffer[40], packetBuffer[41]);
	unsigned long lowWord = word(packetBuffer[42], packetBuffer[43]);

	// combine the four bytes (two words) into a long integer
	// this is NTP time (seconds since Jan 1 1900):
	unsigned long secsSince1900 = highWord << 16 \| lowWord;

	Serial.print(F("Seconds since Jan 1 1900 = "));
	Serial.println(secsSince1900);

	// now convert NTP time into )everyday time:
	Serial.print(F("Epoch/Unix time = "));

	// Unix time starts on Jan 1 1970. In seconds, that's 2208988800:
	const unsigned long seventyYears = 2208988800UL;

	// subtract seventy years:
	unsigned long epoch = secsSince1900 - seventyYears;
	time_t epoch_t = epoch; //secsSince1900 - seventyYears;

	// print Unix time:
	Serial.println(epoch);

	// print the hour, minute and second:
	Serial.print(F("The UTC/GMT time is ")); // UTC is the time at Greenwich Meridian (GMT)

	ts = *localtime(&epoch_t);
	strftime(buf, sizeof(buf), "%a %Y-%m-%d %H:%M:%S %Z", &ts);
	Serial.println(buf);

	// send a reply, to the IP address and port that sent us the packet we received
	sendACKPacket();
	}

	void initEthernet()
	{
	UDP_LOGWARN(F("Default SPI pinout:"));
	UDP_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
	UDP_LOGWARN1(F("MOSI:"), MOSI_GPIO);
	UDP_LOGWARN1(F("MISO:"), MISO_GPIO);
	UDP_LOGWARN1(F("SCK:"), SCK_GPIO);
	UDP_LOGWARN1(F("CS:"), CS_GPIO);
	UDP_LOGWARN1(F("INT:"), INT_GPIO);
	UDP_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
	UDP_LOGWARN(F("========================="));

	///////////////////////////////////

	// To be called before ETH.begin()
	ESP32_Ethernet_onEvent();

	// start the ethernet connection and the server:
	// Use DHCP dynamic IP and random mac
	//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
	// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
	ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
	//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );

	// Static IP, leave without this line to get IP via DHCP
	//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
	//ETH.config(myIP, myGW, mySN, myDNS);

	ESP32_Ethernet_waitForConnect();

	///////////////////////////////////
	}

	////////////////////////////////////

	void setup()
	{
	Serial.begin(115200);

	while (!Serial && (millis() < 5000));

	delay(500);

	Serial.print(F("\nStart AsyncUDPSendReceive on "));
	Serial.print(ARDUINO_BOARD);
	Serial.print(F(" with "));
	Serial.println(SHIELD_TYPE);

	#if USING_W5500
	Serial.println(WEBSERVER_ESP32_W5500_VERSION);
	#elif USING_W6100
	Serial.println(WEBSERVER_ESP32_W6100_VERSION);
	#else
	Serial.println(WEBSERVER_ESP32_ENC_VERSION);
	#endif

	Serial.println(ASYNC_UDP_ESP32_ETHERNET_VERSION);

	Serial.setDebugOutput(true);

	///////////////////////////////////

	initEthernet();

	///////////////////////////////////

	// Client address
	Serial.print("AsyncUDPSendReceive started @ IP address: ");
	Serial.println(ETH.localIP());

	Serial.println(F("\nStarting connection to server..."));

	//NTP requests are to port NTP_REQUEST_PORT = 123
	if (Udp.connect(timeServerIP, NTP_REQUEST_PORT))
	{
	Serial.println("UDP connected");

	Udp.onPacket([](AsyncUDPPacket packet)
	{
	parsePacket(packet);
	});
	}
	}

	void loop()
	{
	sendNTPPacket();

	// wait 60 seconds before asking for the time again
	delay(60000);
	}

HOWTO Setting up the Async UDP Client

AsyncUDP_ESP32_Ethernet/examples/AsyncUdpSendReceive/AsyncUdpSendReceive.ino

Lines 11 to 376 in c63051f

	#if !( defined(ESP32) )
	#error This code is designed for (ESP32 + LwIP W5500, W6100 or ENC28J60) to run on ESP32 platform! Please check your Tools->Board setting.
	#endif

	#include <Arduino.h>

	#define USING_W5500 false
	#define USING_W6100 true
	#define USING_ENC28J60 false

	#if !USING_W5500 && !USING_W6100 && !USING_ENC28J60
	#undef USING_W5500
	#define USING_W5500 true
	#endif

	#define ASYNC_UDP_ESP32_ETHERNET_DEBUG_PORT Serial

	// Use from 0 to 4. Higher number, more debugging messages and memory usage.
	#define _ASYNC_UDP_ESP32_ETHERNET_LOGLEVEL_ 2

	//////////////////////////////////////////////////////////

	#if USING_W5500

	#define ESP32_Ethernet_onEvent ESP32_W5500_onEvent
	#define ESP32_Ethernet_waitForConnect ESP32_W5500_waitForConnect

	// For ESP32_S3
	// Optional values to override default settings
	// Don't change unless you know what you're doing
	//#define ETH_SPI_HOST SPI3_HOST
	//#define SPI_CLOCK_MHZ 25

	// Must connect INT to GPIOxx or not working
	//#define INT_GPIO 4

	//#define MISO_GPIO 13
	//#define MOSI_GPIO 11
	//#define SCK_GPIO 12
	//#define CS_GPIO 10

	// For ESP32_C3
	// Optional values to override default settings
	// Don't change unless you know what you're doing
	//#define ETH_SPI_HOST SPI2_HOST
	//#define SPI_CLOCK_MHZ 25

	// Must connect INT to GPIOxx or not working
	//#define INT_GPIO 10

	//#define MISO_GPIO 5
	//#define MOSI_GPIO 6
	//#define SCK_GPIO 4
	//#define CS_GPIO 7

	//////////////////////////////////////////////////////////

	#elif USING_W6100

	#define ESP32_Ethernet_onEvent ESP32_W6100_onEvent
	#define ESP32_Ethernet_waitForConnect ESP32_W6100_waitForConnect

	// For ESP32_S3
	// Optional values to override default settings
	// Don't change unless you know what you're doing
	//#define ETH_SPI_HOST SPI3_HOST
	//#define SPI_CLOCK_MHZ 25

	// Must connect INT to GPIOxx or not working
	//#define INT_GPIO 4

	//#define MISO_GPIO 13
	//#define MOSI_GPIO 11
	//#define SCK_GPIO 12
	//#define CS_GPIO 10

	// For ESP32_C3
	// Optional values to override default settings
	// Don't change unless you know what you're doing
	//#define ETH_SPI_HOST SPI2_HOST
	//#define SPI_CLOCK_MHZ 25

	// Must connect INT to GPIOxx or not working
	//#define INT_GPIO 10

	//#define MISO_GPIO 5
	//#define MOSI_GPIO 6
	//#define SCK_GPIO 4
	//#define CS_GPIO 7

	//////////////////////////////////////////////////////////

	#else // #if USING_W5500

	//////////////////////////////////////////////////////////

	// For ENC28J60

	#define ESP32_Ethernet_onEvent ESP32_ENC_onEvent
	#define ESP32_Ethernet_waitForConnect ESP32_ENC_waitForConnect
	#define ETH_SPI_HOST SPI_HOST

	// Optional values to override default settings
	// Don't change unless you know what you're doing
	//#define SPI_HOST SPI2_HOST
	//#define SPI_CLOCK_MHZ 8

	// Must connect INT to GPIOxx or not working
	//#define INT_GPIO 4

	//#define MISO_GPIO 13
	//#define MOSI_GPIO 11
	//#define SCK_GPIO 12
	//#define CS_GPIO 10

	//////////////////////////////////////////////////////////

	#endif // #if USING_W5500

	//////////////////////////////////////////////////////////

	#include <AsyncUDP_ESP32_Ethernet.h>

	/////////////////////////////////////////////

	// Enter a MAC address and IP address for your controller below.
	#define NUMBER_OF_MAC 20

	byte mac[][NUMBER_OF_MAC] =
	{
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
	{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
	};

	// Select the IP address according to your local network
	IPAddress myIP(192, 168, 2, 232);
	IPAddress myGW(192, 168, 2, 1);
	IPAddress mySN(255, 255, 255, 0);

	// Google DNS Server IP
	IPAddress myDNS(8, 8, 8, 8);

	/////////////////////////////////////////////

	#include <time.h>

	// 0.ca.pool.ntp.org
	IPAddress timeServerIP = IPAddress(208, 81, 1, 244);
	// time.nist.gov
	//IPAddress timeServerIP = IPAddress(132, 163, 96, 1);

	#define NTP_REQUEST_PORT 123

	char ReplyBuffer[] = "ACK"; // a string to send back

	char timeServer[] = "time.nist.gov"; // NTP server

	const int NTP_PACKET_SIZE = 48; // NTP timestamp is in the first 48 bytes of the message

	byte packetBuffer[NTP_PACKET_SIZE]; // buffer to hold incoming and outgoing packets

	// A UDP instance to let us send and receive packets over UDP
	AsyncUDP Udp;

	void sendACKPacket(void)
	{
	Serial.println("============= sendACKPacket =============");

	// Send unicast ACK to the same remoteIP and remotePort we received the packet
	// The AsyncUDP_STM32 library will take care of the correct IP and port based on pcb
	Udp.write((uint8_t *) ReplyBuffer, sizeof(ReplyBuffer));
	}

	// send an NTP request to the time server at the given address
	void createNTPpacket(void)
	{
	Serial.println("============= createNTPpacket =============");

	// set all bytes in the buffer to 0
	memset(packetBuffer, 0, NTP_PACKET_SIZE);
	// Initialize values needed to form NTP request
	// (see URL above for details on the packets)

	packetBuffer[0] = 0b11100011; // LI, Version, Mode
	packetBuffer[1] = 0; // Stratum, or type of clock
	packetBuffer[2] = 6; // Polling Interval
	packetBuffer[3] = 0xEC; // Peer Clock Precision

	// 8 bytes of zero for Root Delay & Root Dispersion
	packetBuffer[12] = 49;
	packetBuffer[13] = 0x4E;
	packetBuffer[14] = 49;
	packetBuffer[15] = 52;
	}

	void sendNTPPacket(void)
	{
	createNTPpacket();
	//Send unicast
	Udp.write(packetBuffer, sizeof(packetBuffer));
	}

	void parsePacket(AsyncUDPPacket packet)
	{
	struct tm ts;
	char buf[80];

	memcpy(packetBuffer, packet.data(), sizeof(packetBuffer));

	Serial.print("Received UDP Packet Type: ");
	Serial.println(packet.isBroadcast() ? "Broadcast" : packet.isMulticast() ? "Multicast" : "Unicast");
	Serial.print("From: ");
	Serial.print(packet.remoteIP());
	Serial.print(":");
	Serial.print(packet.remotePort());
	Serial.print(", To: ");
	Serial.print(packet.localIP());
	Serial.print(":");
	Serial.print(packet.localPort());
	Serial.print(", Length: ");
	Serial.print(packet.length());
	Serial.println();

	unsigned long highWord = word(packetBuffer[40], packetBuffer[41]);
	unsigned long lowWord = word(packetBuffer[42], packetBuffer[43]);

	// combine the four bytes (two words) into a long integer
	// this is NTP time (seconds since Jan 1 1900):
	unsigned long secsSince1900 = highWord << 16 \| lowWord;

	Serial.print(F("Seconds since Jan 1 1900 = "));
	Serial.println(secsSince1900);

	// now convert NTP time into )everyday time:
	Serial.print(F("Epoch/Unix time = "));

	// Unix time starts on Jan 1 1970. In seconds, that's 2208988800:
	const unsigned long seventyYears = 2208988800UL;

	// subtract seventy years:
	unsigned long epoch = secsSince1900 - seventyYears;
	time_t epoch_t = epoch; //secsSince1900 - seventyYears;

	// print Unix time:
	Serial.println(epoch);

	// print the hour, minute and second:
	Serial.print(F("The UTC/GMT time is ")); // UTC is the time at Greenwich Meridian (GMT)

	ts = *localtime(&epoch_t);
	strftime(buf, sizeof(buf), "%a %Y-%m-%d %H:%M:%S %Z", &ts);
	Serial.println(buf);

	// send a reply, to the IP address and port that sent us the packet we received
	sendACKPacket();
	}

	void initEthernet()
	{
	UDP_LOGWARN(F("Default SPI pinout:"));
	UDP_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
	UDP_LOGWARN1(F("MOSI:"), MOSI_GPIO);
	UDP_LOGWARN1(F("MISO:"), MISO_GPIO);
	UDP_LOGWARN1(F("SCK:"), SCK_GPIO);
	UDP_LOGWARN1(F("CS:"), CS_GPIO);
	UDP_LOGWARN1(F("INT:"), INT_GPIO);
	UDP_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
	UDP_LOGWARN(F("========================="));

	///////////////////////////////////

	// To be called before ETH.begin()
	ESP32_Ethernet_onEvent();

	// start the ethernet connection and the server:
	// Use DHCP dynamic IP and random mac
	//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
	// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
	ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
	//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );

	// Static IP, leave without this line to get IP via DHCP
	//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
	//ETH.config(myIP, myGW, mySN, myDNS);

	ESP32_Ethernet_waitForConnect();

	///////////////////////////////////
	}

	////////////////////////////////////

	void setup()
	{
	Serial.begin(115200);

	while (!Serial && (millis() < 5000));

	delay(500);

	Serial.print(F("\nStart AsyncUDPSendReceive on "));
	Serial.print(ARDUINO_BOARD);
	Serial.print(F(" with "));
	Serial.println(SHIELD_TYPE);

	#if USING_W5500
	Serial.println(WEBSERVER_ESP32_W5500_VERSION);
	#elif USING_W6100
	Serial.println(WEBSERVER_ESP32_W6100_VERSION);
	#else
	Serial.println(WEBSERVER_ESP32_ENC_VERSION);
	#endif

	Serial.println(ASYNC_UDP_ESP32_ETHERNET_VERSION);

	Serial.setDebugOutput(true);

	///////////////////////////////////

	initEthernet();

	///////////////////////////////////

	// Client address
	Serial.print("AsyncUDPSendReceive started @ IP address: ");
	Serial.println(ETH.localIP());

	Serial.println(F("\nStarting connection to server..."));

	//NTP requests are to port NTP_REQUEST_PORT = 123
	if (Udp.connect(timeServerIP, NTP_REQUEST_PORT))
	{
	Serial.println("UDP connected");

	Udp.onPacket([](AsyncUDPPacket packet)
	{
	parsePacket(packet);
	});
	}
	}

	void loop()
	{
	sendNTPPacket();

	// wait 60 seconds before asking for the time again
	delay(60000);
	}

W6100

FULL_DUPLEX, 100Mbps

ENC28J60

FULL_DUPLEX, 10Mbps

Documents

Aync UDP

W6100 khoih-prog / AsyncUDP_ESP32_Ethernet

Components

Project description

HOWTO Setting up the Async UDP Client

W6100

ENC28J60

Documents

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