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AsyncMultiWebServer_ESP32_ENC.ino
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AsyncMultiWebServer_ESP32_ENC.ino
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/****************************************************************************************************************************
AsyncMultiWebServer_ESP32_ENC.ino
For ENC28J60 Ethernet in ESP32 (ESP32 + ENC28J60)
AsyncWebServer_ESP32_ENC is a library for the Ethernet ENC28J60 in ESSP32 to run AsyncWebServer
Based on and modified from ESPAsyncWebServer (https://github.com/me-no-dev/ESPAsyncWebServer)
Built by Khoi Hoang https://github.com/khoih-prog/AsyncWebServer_ESP32_ENC
Licensed under GPLv3 license
*****************************************************************************************************************************/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + ENC28J60) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#include <Arduino.h>
#define _ASYNC_WEBSERVER_LOGLEVEL_ 2
// 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 <AsyncTCP.h>
#include <AsyncWebServer_ESP32_ENC.h>
// Optional values to override default settings
//#define SPI_HOST 1
//#define SPI_CLOCK_MHZ 8
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
// Optional values to override default settings
unsigned int analogReadPin [] = { 12, 13, 14 };
#define BUFFER_SIZE 500
#define HTTP_PORT1 8080
#define HTTP_PORT2 8081
#define HTTP_PORT3 8082
AsyncWebServer* server1;
AsyncWebServer* server2;
AsyncWebServer* server3;
AsyncWebServer* multiServer [] = { server1, server2, server3 };
uint16_t http_port [] = { HTTP_PORT1, HTTP_PORT2, HTTP_PORT3 };
#define NUM_SERVERS ( sizeof(multiServer) / sizeof(AsyncWebServer*) )
unsigned int serverIndex;
String createBuffer()
{
char temp[BUFFER_SIZE];
memset(temp, 0, sizeof(temp));
int sec = millis() / 1000;
int min = sec / 60;
int hr = min / 60;
int day = hr / 24;
snprintf(temp, BUFFER_SIZE - 1,
"<html>\
<head>\
<meta http-equiv='refresh' content='5'/>\
<title>%s</title>\
<style>\
body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }\
</style>\
</head>\
<body>\
<h1>Hello from %s</h1>\
<h2>running AsyncMultiWebServer_ESP32_ENC</h2>\
<h3>on %s</h3>\
<h3>Uptime: %d d %02d:%02d:%02d</h3>\
</body>\
</html>", BOARD_NAME, BOARD_NAME, SHIELD_TYPE, day, hr, min % 60, sec % 60);
return temp;
}
void handleRoot(AsyncWebServerRequest * request)
{
String message = createBuffer();
request->send(200, F("text/html"), message);
}
String createNotFoundBuffer(AsyncWebServerRequest * request)
{
String message;
message.reserve(500);
message = F("File Not Found\n\n");
message += F("URI: ");
message += request->url();
message += F("\nMethod: ");
message += (request->method() == HTTP_GET) ? F("GET") : F("POST");
message += F("\nArguments: ");
message += request->args();
message += F("\n");
for (uint8_t i = 0; i < request->args(); i++)
{
message += " " + request->argName(i) + ": " + request->arg(i) + "\n";
}
return message;
}
void handleNotFound(AsyncWebServerRequest * request)
{
String message = createNotFoundBuffer(request);
request->send(404, F("text/plain"), message);
}
void setup()
{
Serial.begin(115200);
while (!Serial && millis() < 5000);
delay(200);
Serial.print(F("\nStart AsyncMultiWebServer_ESP32_ENC on "));
Serial.print(BOARD_NAME);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(ASYNC_WEBSERVER_ESP32_ENC_VERSION);
AWS_LOGWARN(F("Default SPI pinout:"));
AWS_LOGWARN1(F("MOSI:"), MOSI_GPIO);
AWS_LOGWARN1(F("MISO:"), MISO_GPIO);
AWS_LOGWARN1(F("SCK:"), SCK_GPIO);
AWS_LOGWARN1(F("CS:"), CS_GPIO);
AWS_LOGWARN1(F("INT:"), INT_GPIO);
AWS_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
AWS_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_ENC_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
uint16_t index = millis() % NUMBER_OF_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 *ENC28J60_Mac = ENC28J60_Default_Mac);
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, SPI_HOST );
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, SPI_HOST, mac[index] );
// 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_ENC_waitForConnect();
///////////////////////////////////
Serial.print("\nConnected to network. IP = ");
Serial.println(ETH.localIP());
for (serverIndex = 0; serverIndex < NUM_SERVERS; serverIndex++)
{
multiServer[serverIndex] = new AsyncWebServer(http_port[serverIndex]);
if (multiServer[serverIndex])
{
Serial.printf("Initialize multiServer OK, serverIndex = %d, port = %d\n", serverIndex, http_port[serverIndex]);
}
else
{
Serial.printf("Error initialize multiServer, serverIndex = %d\n", serverIndex);
while (1);
}
multiServer[serverIndex]->on("/", HTTP_GET, [](AsyncWebServerRequest * request)
{
handleRoot(request);
});
multiServer[serverIndex]->on("/hello", HTTP_GET, [](AsyncWebServerRequest * request)
{
String message = F("Hello from AsyncMultiWebServer_ESP32_ENC using ENC28J60 Ethernet, running on ");
message += BOARD_NAME;
request->send(200, "text/plain", message);
});
multiServer[serverIndex]->onNotFound([](AsyncWebServerRequest * request)
{
handleNotFound(request);
});
multiServer[serverIndex]->begin();
Serial.printf("HTTP server started at ports %d\n", http_port[serverIndex]);
}
}
void loop()
{
}