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| 1 | +/**************************************************************************************************************************** |
| 2 | + AdvancedWebServer.h - Dead simple web-server for Ethernet shields |
| 3 | + |
| 4 | + For Ethernet shields using WT32_ETH01 (ESP32 + LAN8720) |
| 5 | +
|
| 6 | + WebServer_WT32_ETH01 is a library for the Ethernet LAN8720 in WT32_ETH01 to run WebServer |
| 7 | +
|
| 8 | + Based on and modified from ESP8266 https://github.com/esp8266/Arduino/releases |
| 9 | + Built by Khoi Hoang https://github.com/khoih-prog/WebServer_WT32_ETH01 |
| 10 | + Licensed under MIT license |
| 11 | +
|
| 12 | + Copyright (c) 2015, Majenko Technologies |
| 13 | + All rights reserved. |
| 14 | +
|
| 15 | + Redistribution and use in source and binary forms, with or without modification, |
| 16 | + are permitted provided that the following conditions are met: |
| 17 | +
|
| 18 | + Redistributions of source code must retain the above copyright notice, this |
| 19 | + list of conditions and the following disclaimer. |
| 20 | +
|
| 21 | + Redistributions in binary form must reproduce the above copyright notice, this |
| 22 | + list of conditions and the following disclaimer in the documentation and/or |
| 23 | + other materials provided with the distribution. |
| 24 | +
|
| 25 | + Neither the name of Majenko Technologies nor the names of its |
| 26 | + contributors may be used to endorse or promote products derived from |
| 27 | + this software without specific prior written permission. |
| 28 | +
|
| 29 | + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 30 | + ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 31 | + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 32 | + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
| 33 | + ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 34 | + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 35 | + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 36 | + ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 37 | + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 38 | + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 39 | + *****************************************************************************************************************************/ |
| 40 | + |
| 41 | +#define DEBUG_ETHERNET_WEBSERVER_PORT Serial |
| 42 | + |
| 43 | +// Debug Level from 0 to 4 |
| 44 | +#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3 |
| 45 | + |
| 46 | +#include <WebServer_WT32_ETH01.h> |
| 47 | + |
| 48 | +WebServer server(80); |
| 49 | + |
| 50 | +// Select the IP address according to your local network |
| 51 | +IPAddress myIP(192, 168, 2, 232); |
| 52 | +IPAddress myGW(192, 168, 2, 1); |
| 53 | +IPAddress mySN(255, 255, 255, 0); |
| 54 | + |
| 55 | +// Google DNS Server IP |
| 56 | +IPAddress myDNS(8, 8, 8, 8); |
| 57 | + |
| 58 | +bool eth_connected = false; |
| 59 | + |
| 60 | +int reqCount = 0; // number of requests received |
| 61 | + |
| 62 | +void handleRoot() |
| 63 | +{ |
| 64 | +#define BUFFER_SIZE 400 |
| 65 | + |
| 66 | + char temp[BUFFER_SIZE]; |
| 67 | + int sec = millis() / 1000; |
| 68 | + int min = sec / 60; |
| 69 | + int hr = min / 60; |
| 70 | + int day = hr / 24; |
| 71 | + |
| 72 | + hr = hr % 24; |
| 73 | + |
| 74 | + snprintf(temp, BUFFER_SIZE - 1, |
| 75 | + "<html>\ |
| 76 | +<head>\ |
| 77 | +<meta http-equiv='refresh' content='5'/>\ |
| 78 | +<title>AdvancedWebServer %s</title>\ |
| 79 | +<style>\ |
| 80 | +body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }\ |
| 81 | +</style>\ |
| 82 | +</head>\ |
| 83 | +<body>\ |
| 84 | +<h2>Hi from WebServer_WT32_ETH01!</h2>\ |
| 85 | +<h3>on %s</h3>\ |
| 86 | +<p>Uptime: %d d %02d:%02d:%02d</p>\ |
| 87 | +<img src=\"/test.svg\" />\ |
| 88 | +</body>\ |
| 89 | +</html>", BOARD_NAME, BOARD_NAME, day, hr % 24, min % 60, sec % 60); |
| 90 | + |
| 91 | + server.send(200, F("text/html"), temp); |
| 92 | +} |
| 93 | + |
| 94 | +void handleNotFound() |
| 95 | +{ |
| 96 | + String message = F("File Not Found\n\n"); |
| 97 | + |
| 98 | + message += F("URI: "); |
| 99 | + message += server.uri(); |
| 100 | + message += F("\nMethod: "); |
| 101 | + message += (server.method() == HTTP_GET) ? F("GET") : F("POST"); |
| 102 | + message += F("\nArguments: "); |
| 103 | + message += server.args(); |
| 104 | + message += F("\n"); |
| 105 | + |
| 106 | + for (uint8_t i = 0; i < server.args(); i++) |
| 107 | + { |
| 108 | + message += " " + server.argName(i) + ": " + server.arg(i) + "\n"; |
| 109 | + } |
| 110 | + |
| 111 | + server.send(404, F("text/plain"), message); |
| 112 | +} |
| 113 | + |
| 114 | +void drawGraph() |
| 115 | +{ |
| 116 | + String out; |
| 117 | + out.reserve(3000); |
| 118 | + char temp[70]; |
| 119 | + |
| 120 | + out += F("<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"310\" height=\"150\">\n"); |
| 121 | + out += F("<rect width=\"310\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"1\" stroke=\"rgb(0, 0, 0)\" />\n"); |
| 122 | + out += F("<g stroke=\"black\">\n"); |
| 123 | + int y = rand() % 130; |
| 124 | + |
| 125 | + for (int x = 10; x < 300; x += 10) |
| 126 | + { |
| 127 | + int y2 = rand() % 130; |
| 128 | + sprintf(temp, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" stroke-width=\"1\" />\n", x, 140 - y, x + 10, 140 - y2); |
| 129 | + out += temp; |
| 130 | + y = y2; |
| 131 | + } |
| 132 | + out += F("</g>\n</svg>\n"); |
| 133 | + |
| 134 | + server.send(200, F("image/svg+xml"), out); |
| 135 | +} |
| 136 | + |
| 137 | +void WiFiEvent(WiFiEvent_t event) |
| 138 | +{ |
| 139 | + switch (event) |
| 140 | + { |
| 141 | + case SYSTEM_EVENT_ETH_START: |
| 142 | + Serial.println("\nETH Started"); |
| 143 | + //set eth hostname here |
| 144 | + ETH.setHostname("WT32-ETH01"); |
| 145 | + break; |
| 146 | + case SYSTEM_EVENT_ETH_CONNECTED: |
| 147 | + Serial.println("ETH Connected"); |
| 148 | + break; |
| 149 | + |
| 150 | + case SYSTEM_EVENT_ETH_GOT_IP: |
| 151 | + if (!eth_connected) |
| 152 | + { |
| 153 | + Serial.print("ETH MAC: "); |
| 154 | + Serial.print(ETH.macAddress()); |
| 155 | + Serial.print(", IPv4: "); |
| 156 | + Serial.print(ETH.localIP()); |
| 157 | + |
| 158 | + if (ETH.fullDuplex()) |
| 159 | + { |
| 160 | + Serial.print(", FULL_DUPLEX"); |
| 161 | + } |
| 162 | + |
| 163 | + Serial.print(", "); |
| 164 | + Serial.print(ETH.linkSpeed()); |
| 165 | + Serial.println("Mbps"); |
| 166 | + eth_connected = true; |
| 167 | + } |
| 168 | + |
| 169 | + break; |
| 170 | + |
| 171 | + case SYSTEM_EVENT_ETH_DISCONNECTED: |
| 172 | + Serial.println("ETH Disconnected"); |
| 173 | + eth_connected = false; |
| 174 | + break; |
| 175 | + |
| 176 | + case SYSTEM_EVENT_ETH_STOP: |
| 177 | + Serial.println("\nETH Stopped"); |
| 178 | + eth_connected = false; |
| 179 | + break; |
| 180 | + |
| 181 | + default: |
| 182 | + break; |
| 183 | + } |
| 184 | +} |
| 185 | + |
| 186 | +void setup() |
| 187 | +{ |
| 188 | + Serial.begin(115200); |
| 189 | + while (!Serial); |
| 190 | + |
| 191 | + // Using this if Serial debugging is not necessary or not using Serial port |
| 192 | + //while (!Serial && (millis() < 3000)); |
| 193 | + |
| 194 | + Serial.print("\nStarting AdvancedWebServer on " + String(ARDUINO_BOARD)); |
| 195 | + Serial.println(" with " + String(SHIELD_TYPE)); |
| 196 | + Serial.println(WEBSERVER_WT32_ETH01_VERSION); |
| 197 | + |
| 198 | + //bool begin(uint8_t phy_addr=ETH_PHY_ADDR, int power=ETH_PHY_POWER, int mdc=ETH_PHY_MDC, int mdio=ETH_PHY_MDIO, |
| 199 | + // eth_phy_type_t type=ETH_PHY_TYPE, eth_clock_mode_t clk_mode=ETH_CLK_MODE); |
| 200 | + //ETH.begin(ETH_PHY_ADDR, ETH_PHY_POWER, ETH_PHY_MDC, ETH_PHY_MDIO, ETH_PHY_TYPE, ETH_CLK_MODE); |
| 201 | + ETH.begin(ETH_PHY_ADDR, ETH_PHY_POWER); |
| 202 | + |
| 203 | + // Static IP, leave without this line to get IP via DHCP |
| 204 | + //bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0); |
| 205 | + ETH.config(myIP, myGW, mySN, myDNS); |
| 206 | + |
| 207 | + WiFi.onEvent(WiFiEvent); |
| 208 | + |
| 209 | + while (!eth_connected) |
| 210 | + delay(100); |
| 211 | + |
| 212 | + server.on(F("/"), handleRoot); |
| 213 | + server.on(F("/test.svg"), drawGraph); |
| 214 | + server.on(F("/inline"), []() |
| 215 | + { |
| 216 | + server.send(200, F("text/plain"), F("This works as well")); |
| 217 | + }); |
| 218 | + |
| 219 | + server.onNotFound(handleNotFound); |
| 220 | + server.begin(); |
| 221 | + |
| 222 | + Serial.print(F("HTTP EthernetWebServer is @ IP : ")); |
| 223 | + Serial.println(ETH.localIP()); |
| 224 | +} |
| 225 | + |
| 226 | +void heartBeatPrint() |
| 227 | +{ |
| 228 | + static int num = 1; |
| 229 | + |
| 230 | + Serial.print(F(".")); |
| 231 | + |
| 232 | + if (num == 80) |
| 233 | + { |
| 234 | + Serial.println(); |
| 235 | + num = 1; |
| 236 | + } |
| 237 | + else if (num++ % 10 == 0) |
| 238 | + { |
| 239 | + Serial.print(F(" ")); |
| 240 | + } |
| 241 | +} |
| 242 | + |
| 243 | +void check_status() |
| 244 | +{ |
| 245 | + static unsigned long checkstatus_timeout = 0; |
| 246 | + |
| 247 | +#define STATUS_CHECK_INTERVAL 10000L |
| 248 | + |
| 249 | + // Send status report every STATUS_REPORT_INTERVAL (60) seconds: we don't need to send updates frequently if there is no status change. |
| 250 | + if ((millis() > checkstatus_timeout) || (checkstatus_timeout == 0)) |
| 251 | + { |
| 252 | + heartBeatPrint(); |
| 253 | + checkstatus_timeout = millis() + STATUS_CHECK_INTERVAL; |
| 254 | + } |
| 255 | +} |
| 256 | + |
| 257 | +void loop() |
| 258 | +{ |
| 259 | + server.handleClient(); |
| 260 | + check_status(); |
| 261 | +} |
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