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Add LAN8720 support for STM32F4 and STM32F7
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‎examples/STM32_LAN8720/AdvancedWebServer_LAN8720/AdvancedWebServer_LAN8720.ino‎

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/****************************************************************************************************************************
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AdvancedWebServer_LAN8720.h - Dead simple web-server for Ethernet shields
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For STM32 with built-in Ethernet LAN8742A (Nucleo-144, DISCOVERY, etc) or W5x00/ENC28J60 shield/module
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EthernetWebServer_STM32 is a library for the STM32 running Ethernet WebServer
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Based on and modified from ESP8266 https://github.com/esp8266/Arduino/releases
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Built by Khoi Hoang https://github.com/khoih-prog/EthernetWebServer_STM32
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Licensed under MIT license
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Copyright (c) 2015, Majenko Technologies
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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Neither the name of Majenko Technologies nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************************************************************/
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/*
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Currently support
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1) STM32 boards with built-in Ethernet (to use USE_BUILTIN_ETHERNET = true) such as :
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- Nucleo-144 (F429ZI, F767ZI)
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- Discovery (STM32F746G-DISCOVERY)
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- STM32 boards (STM32F/L/H/G/WB/MP1) with 32K+ Flash, with Built-in Ethernet,
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- See How To Use Built-in Ethernet at (https://github.com/khoih-prog/EthernetWebServer_STM32/issues/1)
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2) STM32F/L/H/G/WB/MP1 boards (with 32+K Flash) running ENC28J60 shields (to use USE_BUILTIN_ETHERNET = false)
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3) STM32F/L/H/G/WB/MP1 boards (with 32+K Flash) running W5x00 shields
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*/
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#include "defines.h"
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EthernetWebServer server(80);
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const int led = 13;
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void handleRoot()
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{
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digitalWrite(led, 1);
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#define BUFFER_SIZE 400
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char temp[BUFFER_SIZE];
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int sec = millis() / 1000;
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int min = sec / 60;
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int hr = min / 60;
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int day = hr / 24;
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hr = hr % 24;
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snprintf(temp, BUFFER_SIZE - 1,
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"<html>\
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<head>\
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<meta http-equiv='refresh' content='5'/>\
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<title>AdvancedWebServer %s</title>\
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<style>\
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body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }\
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</style>\
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</head>\
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<body>\
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<h2>Hi from EthernetWebServer!</h2>\
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<h3>on %s</h3>\
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<p>Uptime: %d d %02d:%02d:%02d</p>\
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<img src=\"/test.svg\" />\
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</body>\
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</html>", BOARD_NAME, BOARD_NAME, day, hr % 24, min % 60, sec % 60);
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server.send(200, "text/html", temp);
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digitalWrite(led, 0);
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}
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void handleNotFound()
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{
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digitalWrite(led, 1);
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String message = "File Not Found\n\n";
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message += "URI: ";
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message += server.uri();
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message += "\nMethod: ";
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message += (server.method() == HTTP_GET) ? "GET" : "POST";
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message += "\nArguments: ";
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message += server.args();
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message += "\n";
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for (uint8_t i = 0; i < server.args(); i++)
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{
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message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
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}
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server.send(404, "text/plain", message);
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digitalWrite(led, 0);
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}
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void drawGraph()
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{
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String out;
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out.reserve(3000);
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char temp[70];
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out += "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"310\" height=\"150\">\n";
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out += "<rect width=\"310\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"1\" stroke=\"rgb(0, 0, 0)\" />\n";
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out += "<g stroke=\"black\">\n";
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int y = rand() % 130;
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for (int x = 10; x < 300; x += 10)
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{
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int y2 = rand() % 130;
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sprintf(temp, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" stroke-width=\"1\" />\n", x, 140 - y, x + 10, 140 - y2);
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out += temp;
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y = y2;
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}
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out += "</g>\n</svg>\n";
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server.send(200, "image/svg+xml", out);
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}
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void setup(void)
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{
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pinMode(led, OUTPUT);
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digitalWrite(led, 0);
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Serial.begin(115200);
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Serial.println("\nStart AdvancedWebServer_LAN8720 on " + String(BOARD_NAME) + ", using " + String(SHIELD_TYPE));
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Serial.println(ETHERNET_WEBSERVER_STM32_VERSION);
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ET_LOGWARN3(F("Board :"), BOARD_NAME, F(", setCsPin:"), USE_THIS_SS_PIN);
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ET_LOGWARN(F("Default SPI pinout:"));
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ET_LOGWARN1(F("MOSI:"), MOSI);
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ET_LOGWARN1(F("MISO:"), MISO);
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ET_LOGWARN1(F("SCK:"), SCK);
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ET_LOGWARN1(F("SS:"), SS);
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ET_LOGWARN(F("========================="));
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#if !(USE_BUILTIN_ETHERNET || USE_UIP_ETHERNET)
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// For other boards, to change if necessary
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#if ( USE_ETHERNET || USE_ETHERNET_LARGE || USE_ETHERNET2 || USE_ETHERNET_ENC )
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// Must use library patch for Ethernet, Ethernet2, EthernetLarge libraries
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Ethernet.init (USE_THIS_SS_PIN);
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#elif USE_ETHERNET3
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// Use MAX_SOCK_NUM = 4 for 4K, 2 for 8K, 1 for 16K RX/TX buffer
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#ifndef ETHERNET3_MAX_SOCK_NUM
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#define ETHERNET3_MAX_SOCK_NUM 4
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#endif
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Ethernet.setCsPin (USE_THIS_SS_PIN);
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Ethernet.init (ETHERNET3_MAX_SOCK_NUM);
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#elif USE_CUSTOM_ETHERNET
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// You have to add initialization for your Custom Ethernet here
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// This is just an example to setCSPin to USE_THIS_SS_PIN, and can be not correct and enough
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//Ethernet.init(USE_THIS_SS_PIN);
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#endif //( ( USE_ETHERNET || USE_ETHERNET_LARGE || USE_ETHERNET2 || USE_ETHERNET_ENC )
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#endif
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// start the ethernet connection and the server:
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// Use DHCP dynamic IP and random mac
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uint16_t index = millis() % NUMBER_OF_MAC;
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// Use Static IP
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//Ethernet.begin(mac[index], ip);
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Ethernet.begin(mac[index]);
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server.on("/", handleRoot);
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server.on("/test.svg", drawGraph);
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server.on("/inline", []()
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{
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server.send(200, "text/plain", "This works as well");
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});
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server.onNotFound(handleNotFound);
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server.begin();
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Serial.print(F("HTTP EthernetWebServer is @ IP : "));
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Serial.println(Ethernet.localIP());
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}
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void loop(void)
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{
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server.handleClient();
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}

‎examples/STM32_LAN8720/AdvancedWebServer_LAN8720/defines.h‎

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/****************************************************************************************************************************
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defines.h
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For STM32 with built-in Ethernet LAN8742A (Nucleo-144, DISCOVERY, etc) or W5x00/ENC28J60 shield/module
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EthernetWebServer_STM32 is a library for the STM32 running Ethernet WebServer
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Based on and modified from ESP8266 https://github.com/esp8266/Arduino/releases
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Built by Khoi Hoang https://github.com/khoih-prog/EthernetWebServer_STM32
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Licensed under MIT license
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***************************************************************************************************************************************/
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#ifndef defines_h
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#define defines_h
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#if !( defined(STM32F4) || defined(STM32F7) )
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#error This code is designed to run on STM32F4 and STM32F7 platform! Please check your Tools->Board setting.
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#endif
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#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
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// Debug Level from 0 to 4
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#define _ETHERNET_WEBSERVER_LOGLEVEL_ 2
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#define USING_LAN8720 true
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// If USE_BUILTIN_ETHERNET == false and USE_UIP_ETHERNET == false =>
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// either use W5x00 with EthernetXYZ library
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// or ENC28J60 with EthernetENC library
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#define USE_BUILTIN_ETHERNET true
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//#define USE_BUILTIN_ETHERNET false
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//#define USE_UIP_ETHERNET true
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#define USE_UIP_ETHERNET false
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// To override the default CS/SS pin. Don't use unless you know exactly which pin to use
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// You can define here or customize for each board at same place with BOARD_TYPE
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//#define USE_THIS_SS_PIN 22 //21 //5 //4 //2 //15
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// Default pin 10 to SS/CS. To change according to your board, if necessary
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#define USE_THIS_SS_PIN 10
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#if !(USE_BUILTIN_ETHERNET || USE_UIP_ETHERNET)
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// Only one if the following to be true
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#define USE_ETHERNET false //true
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#define USE_ETHERNET2 false //true
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#define USE_ETHERNET3 false //true
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#define USE_ETHERNET_LARGE false
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#define USE_ETHERNET_ESP8266 false //true
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#define USE_ETHERNET_ENC true
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#define USE_CUSTOM_ETHERNET false
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#endif
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#if ( USE_ETHERNET2 || USE_ETHERNET3 || USE_ETHERNET_LARGE || USE_ETHERNET_ESP8266 || USE_ETHERNET_ENC )
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#ifdef USE_CUSTOM_ETHERNET
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#undef USE_CUSTOM_ETHERNET
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#endif
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#define USE_CUSTOM_ETHERNET false //true
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#endif
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#if (USE_BUILTIN_ETHERNET)
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#if USING_LAN8720
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#warning Using LAN8720A Ethernet & STM32Ethernet lib
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#define SHIELD_TYPE "LAN8720 Ethernet & STM32Ethernet Library"
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#else
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#warning Using LAN8742A Ethernet & STM32Ethernet lib
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#define SHIELD_TYPE "LAN8742A Ethernet & STM32Ethernet Library"
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#endif
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#elif (USE_UIP_ETHERNET)
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#warning Using ENC28J60 & UIPEthernet lib
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#define SHIELD_TYPE "ENC28J60 & UIPEthernet Library"
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#elif USE_ETHERNET3
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#include "Ethernet3.h"
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#warning Using W5x00 & Ethernet3 lib
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#define SHIELD_TYPE "W5x00 & Ethernet3 Library"
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#elif USE_ETHERNET2
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#include "Ethernet2.h"
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#warning Using W5x00 & Ethernet2 lib
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#define SHIELD_TYPE "W5x00 & Ethernet2 Library"
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#elif USE_ETHERNET_LARGE
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#include "EthernetLarge.h"
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#warning Using W5x00 & EthernetLarge lib
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#define SHIELD_TYPE "W5x00 & EthernetLarge Library"
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#elif USE_ETHERNET_ESP8266
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#include "Ethernet_ESP8266.h"
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#warning Using W5x00 & Ethernet_ESP8266 lib
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#define SHIELD_TYPE "W5x00 & Ethernet_ESP8266 Library"
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#elif USE_ETHERNET_ENC
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#include "EthernetENC.h"
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#warning Using ENC28J60 & EthernetENC lib
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#define SHIELD_TYPE "ENC28J60 & EthernetENC Library"
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#elif USE_CUSTOM_ETHERNET
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//#include "Ethernet_XYZ.h"
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#include "EthernetENC.h"
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#warning Using Custom Ethernet library. You must include a library and initialize.
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#define SHIELD_TYPE "Custom Ethernet & Ethernet_XYZ Library"
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#else
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#define USE_ETHERNET true
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#include "Ethernet.h"
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#warning Using Ethernet lib
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#define SHIELD_TYPE "W5x00 & Ethernet Library"
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#endif
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#if defined(STM32F0)
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#warning STM32F0 board selected
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#define BOARD_TYPE "STM32F0"
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#elif defined(STM32F1)
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#warning STM32F1 board selected
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#define BOARD_TYPE "STM32F1"
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#elif defined(STM32F2)
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#warning STM32F2 board selected
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#define BOARD_TYPE "STM32F2"
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#elif defined(STM32F3)
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#warning STM32F3 board selected
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#define BOARD_TYPE "STM32F3"
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#elif defined(STM32F4)
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#warning STM32F4 board selected
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#define BOARD_TYPE "STM32F4"
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#elif defined(STM32F7)
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#warning STM32F7 board selected
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#define BOARD_TYPE "STM32F7"
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#elif defined(STM32L0)
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#warning STM32L0 board selected
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#define BOARD_TYPE "STM32L0"
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#elif defined(STM32L1)
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#warning STM32L1 board selected
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#define BOARD_TYPE "STM32L1"
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#elif defined(STM32L4)
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#warning STM32L4 board selected
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#define BOARD_TYPE "STM32L4"
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#elif defined(STM32H7)
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#warning STM32H7 board selected
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#define BOARD_TYPE "STM32H7"
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#elif defined(STM32G0)
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#warning STM32G0 board selected
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#define BOARD_TYPE "STM32G0"
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#elif defined(STM32G4)
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#warning STM32G4 board selected
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#define BOARD_TYPE "STM32G4"
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#elif defined(STM32WB)
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#warning STM32WB board selected
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#define BOARD_TYPE "STM32WB"
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#elif defined(STM32MP1)
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#warning STM32MP1 board selected
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#define BOARD_TYPE "STM32MP1"
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#else
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#warning STM32 unknown board selected
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#define BOARD_TYPE "STM32 Unknown"
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#endif
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#ifndef BOARD_NAME
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#define BOARD_NAME BOARD_TYPE
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#endif
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#include <EthernetWebServer_STM32.h>
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// Enter a MAC address and IP address for your controller below.
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#define NUMBER_OF_MAC 20
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byte mac[][NUMBER_OF_MAC] =
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{
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x01 },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x02 },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x03 },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x04 },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x05 },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x06 },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x07 },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x08 },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x09 },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x0A },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x0B },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x0C },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x0D },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x0E },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x0F },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x10 },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x11 },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x12 },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x13 },
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{ 0xDE, 0xAD, 0xBE, 0xEF, 0x32, 0x14 },
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};
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// Select the IP address according to your local network
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IPAddress ip(192, 168, 2, 232);
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#endif //defines_h

‎examples/STM32_LAN8720/AdvancedWebServer_LAN8720/hal_conf_extra.h‎

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#define HAL_ETH_MODULE_ENABLED
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#if LAN8742A_PHY_ADDRESS
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#undef LAN8742A_PHY_ADDRESS
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#define LAN8742A_PHY_ADDRESS 0x01U
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#endif

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