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AsyncHTTPSRequest_ESP32_W5500.ino
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AsyncHTTPSRequest_ESP32_W5500.ino
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/****************************************************************************************************************************
AsyncHTTPSRequest_ESP32_W5500.ino - Dead simple AsyncHTTPSRequest for ESP8266, ESP32 and currently STM32 with built-in LAN8742A Ethernet
For ESP8266, ESP32 and STM32 with built-in LAN8742A Ethernet (Nucleo-144, DISCOVERY, etc)
AsyncHTTPSRequest_Generic is a library for the ESP8266, ESP32 and currently STM32 run built-in Ethernet WebServer
Based on and modified from AsyncHTTPRequest Library (https://github.com/boblemaire/AsyncHTTPRequest)
Built by Khoi Hoang https://github.com/khoih-prog/AsyncHTTPSRequest_Generic
Licensed under MIT license
Copyright (C) <2018> <Bob Lemaire, IoTaWatt, Inc.>
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License
as published bythe Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*****************************************************************************************************************************/
//************************************************************************************************************
//
// There are scores of ways to use AsyncHTTPRequest. The important thing to keep in mind is that
// it is asynchronous and just like in JavaScript, everything is event driven. You will have some
// reason to initiate an asynchronous HTTP request in your program, but then sending the request
// headers and payload, gathering the response headers and any payload, and processing
// of that response, can (and probably should) all be done asynchronously.
//
// In this example, a Ticker function is setup to fire every 300 seconds to initiate a request.
// Everything is handled in AsyncHTTPRequest without blocking.
// The callback onReadyStateChange is made progressively and like most JS scripts, we look for
// readyState == 4 (complete) here. At that time the response is retrieved and printed.
//
// Note that there is no code in loop(). A code entered into loop would run oblivious to
// the ongoing HTTP requests. The Ticker could be removed and periodic calls to sendRequest()
// could be made in loop(), resulting in the same asynchronous handling.
//
// For demo purposes, debug is turned on for handling of the first request. These are the
// events that are being handled in AsyncHTTPRequest. They all begin with Debug(nnn) where
// nnn is the elapsed time in milliseconds since the transaction was started.
//
//*************************************************************************************************************
#if !( defined(ESP32) )
#error This code is intended to run on the ESP32 platform! Please check your Tools->Board setting.
#endif
#define ASYNC_HTTPS_REQUEST_GENERIC_VERSION_MIN_TARGET "AsyncHTTPSRequest_Generic v2.4.0"
#define ASYNC_HTTPS_REQUEST_GENERIC_VERSION_MIN 2004000
/////////////////////////////////////////////////////////
// Uncomment for certain HTTP site to optimize
//#define NOT_SEND_HEADER_AFTER_CONNECTED true
// Use larger queue size if necessary for large data transfer. Default is 512 bytes if not defined here
//#define ASYNC_QUEUE_LENGTH 512
// Use larger priority if necessary. Default is 10 if not defined here. Must be > 4 or adjusted to 4
//#define CONFIG_ASYNC_TCP_PRIORITY (12)
/////////////////////////////////////////////////////////
// Level from 0-4
#define ASYNC_HTTPS_DEBUG_PORT Serial
#define _ASYNC_TCP_SSL_LOGLEVEL_ 1
#define _ASYNC_HTTPS_LOGLEVEL_ 2
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 1
// 300s = 5 minutes to not flooding
#define HTTPS_REQUEST_INTERVAL 60 //300
// 10s
#define HEARTBEAT_INTERVAL 10
// Uncomment to use ESP32 core v1.0.6-
//#define USING_CORE_ESP32_CORE_V200_PLUS false
//////////////////////////////////////////////////////////
// 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 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h> // https://github.com/khoih-prog/WebServer_ESP32_W5500
// To be included only in main(), .ino with setup() to avoid `Multiple Definitions` Linker Error
#include <AsyncHTTPSRequest_Generic.h> // https://github.com/khoih-prog/AsyncHTTPSRequest_Generic
#include <Ticker.h>
AsyncHTTPSRequest request;
Ticker ticker;
Ticker ticker1;
/////////////////////////////////////////////
// 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);
/////////////////////////////////////////////
void heartBeatPrint()
{
static int num = 1;
if (ESP32_W5500_isConnected())
Serial.print(F("H")); // H means connected
else
Serial.print(F("F")); // F means not connected
if (num == 80)
{
Serial.println();
num = 1;
}
else if (num++ % 10 == 0)
{
Serial.print(F(" "));
}
}
void sendRequest()
{
static bool requestOpenResult;
if (request.readyState() == readyStateUnsent || request.readyState() == readyStateDone)
{
//requestOpenResult = request.open("GET", "https://worldtimeapi.org/api/timezone/Europe/London.txt");
requestOpenResult = request.open("GET", "https://worldtimeapi.org/api/timezone/America/Toronto.txt");
if (requestOpenResult)
{
// Only send() if open() returns true, or crash
request.send();
}
else
{
Serial.println(F("Can't send bad request"));
}
}
else
{
Serial.println(F("Can't send request"));
}
}
void requestCB(void *optParm, AsyncHTTPSRequest *request, int readyState)
{
(void) optParm;
if (readyState == readyStateDone)
{
AHTTPS_LOGDEBUG0(F("\n**************************************\n"));
AHTTPS_LOGDEBUG1(F("Response Code = "), request->responseHTTPString());
if (request->responseHTTPcode() == 200)
{
Serial.println(F("\n**************************************"));
Serial.println(request->responseText());
Serial.println(F("**************************************"));
}
request->setDebug(false);
}
}
void setup()
{
// put your setup code here, to run once:
Serial.begin(115200);
while (!Serial && millis() < 5000);
delay(200);
Serial.print(F("\nStarting AsyncHTTPSRequest_ESP32_W5500 using "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
Serial.println(ASYNC_TCP_SSL_VERSION);
Serial.println(ASYNC_HTTPS_REQUEST_GENERIC_VERSION);
Serial.setDebugOutput(true);
#if defined(ASYNC_HTTPS_REQUEST_GENERIC_VERSION_MIN)
if (ASYNC_HTTPS_REQUEST_GENERIC_VERSION_INT < ASYNC_HTTPS_REQUEST_GENERIC_VERSION_MIN)
{
Serial.print(F("Warning. Must use this example on Version equal or later than : "));
Serial.println(ASYNC_HTTPS_REQUEST_GENERIC_VERSION_MIN_TARGET);
}
#endif
AHTTPS_LOGWARN(F("Default SPI pinout:"));
AHTTPS_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
AHTTPS_LOGWARN1(F("MOSI:"), MOSI_GPIO);
AHTTPS_LOGWARN1(F("MISO:"), MISO_GPIO);
AHTTPS_LOGWARN1(F("SCK:"), SCK_GPIO);
AHTTPS_LOGWARN1(F("CS:"), CS_GPIO);
AHTTPS_LOGWARN1(F("INT:"), INT_GPIO);
AHTTPS_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
AHTTPS_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_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 *W5500_Mac = W5500_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[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_W5500_waitForConnect();
///////////////////////////////////
Serial.print(F("\nHTTP WebClient is @ IP : "));
Serial.println(ETH.localIP());
request.setDebug(false);
request.onReadyStateChange(requestCB);
ticker.attach(HTTPS_REQUEST_INTERVAL, sendRequest);
ticker1.attach(HEARTBEAT_INTERVAL, heartBeatPrint);
// Send first request now
sendRequest();
}
void loop()
{
}