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DIY fertilizer mixer and plant watering machine https://www.xythobuz.de/giessomat.html
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giess-o-mat/src/WifiStuff.cpp

WifiStuff.cpp 10KB
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  1. #include <Arduino.h>

  2. 

  3. #ifdef PLATFORM_ESP

  4. 

  5. #if defined(ARDUINO_ARCH_ESP8266)

  6. 

  7. #include <ESP8266WiFi.h>

  8. #include <ESP8266WebServer.h>

  9. #include <ESP8266mDNS.h>

  10. 

  11. #elif defined(ARDUINO_ARCH_ESP32)

  12. 

  13. #include <WiFi.h>

  14. #include <WebServer.h>

  15. #include <ESPmDNS.h>

  16. 

  17. #endif

  18. 

  19. #include <WebSocketsServer.h>

  20. 

  21. #include "wifi.h"

  22. #include "config.h"

  23. #include "config_pins.h"

  24. #include "Functionality.h"

  25. #include "SimpleUpdater.h"

  26. #include "WifiStuff.h"

  27. 

  28. UPDATE_WEB_SERVER server(80);

  29. WebSocketsServer socket = WebSocketsServer(81);

  30. SimpleUpdater updater;

  31. unsigned long last_server_handle_time = 0;

  32. 

  33. String message_buffer_a;

  34. String message_buffer_b;

  35. String message_buffer_c;

  36. String message_buffer_d;

  37. 

  38. void wifi_set_message_buffer(String a, String b, String c, String d) {

  39.     message_buffer_a = a;

  40.     message_buffer_b = b;

  41.     message_buffer_c = c;

  42.     message_buffer_d = d;

  43.     

  44.     a.replace("\"", "'");

  45.     b.replace("\"", "'");

  46.     c.replace("\"", "'");

  47.     d.replace("\"", "'");

  48.     

  49.     String ws = "{\n";

  50.     ws += "\"a\": \"" + a + "\",\n";

  51.     ws += "\"b\": \"" + b + "\",\n";

  52.     ws += "\"c\": \"" + c + "\",\n";

  53.     ws += "\"d\": \"" + d + "\",\n";

  54.     ws += "\"state\": \"" + String(control_state_name()) + "\"\n";

  55.     ws += "}";

  56.     socket.broadcastTXT(ws);

  57. }

  58. 

  59. void handleRoot() {

  60.     String message = F("<!DOCTYPE html>\n");

  61.     message += F("<html><head>\n");

  62.     message += F("<meta charset='utf-8'/>\n");

  63.     message += F("<meta name='viewport' content='width=device-width, initial-scale=1'/>\n");

  64.     message += F("<title>Gieß-o-mat</title>\n");

  65.     

  66.     message += F("<style type='text/css'>\n");

  67.     message += F(".container {\n");

  68.     message += F("display: flex;\n");

  69.     message += F("}\n");

  70.     

  71.     message += F(".ui {\n");

  72.     message += F("width: max-content;\n");

  73.     message += F("margin-right: 1em;\n");

  74.     message += F("padding: 0 1.0em;\n");

  75.     message += F("border: 1px dashed black;\n");

  76.     message += F("}\n");

  77.     

  78.     message += F(".info {\n");

  79.     message += F("flex-grow: 1;\n");

  80.     message += F("}\n");

  81.     

  82.     message += F(".pad {\n");

  83.     message += F("background: black;\n");

  84.     message += F("border: 3px solid black;\n");

  85.     message += F("width: max-content;\n");

  86.     message += F("padding: 1.5em;\n");

  87.     message += F("margin-left: auto;\n");

  88.     message += F("margin-right: auto;\n");

  89.     message += F("}\n");

  90.     

  91.     message += F(".pad input {\n");

  92.     message += F("background: #fff0cf;\n");

  93.     message += F("font-weight: bold;\n");

  94.     message += F("font-family: monospace;\n");

  95.     message += F("padding: 0.5em 1em;\n");

  96.     message += F("margin: 0.5em;\n");

  97.     message += F("}\n");

  98.     

  99.     // https://codepen.io/hawkz/pres/RpPaGK

  100.     message += F(".lcd {\n");

  101.     //message += F("background: #9ea18c;\n");

  102.     message += F("background: #9ed18c;\n");

  103.     message += F("border: 3px solid black;\n");

  104.     message += F("width: max-content;\n");

  105.     message += F("padding: 0.65em 1em;\n");

  106.     message += F("box-shadow: inset 0 0 5px 5px rgba(0,0,0,.1);\n");

  107.     message += F("font-weight: bold;\n");

  108.     message += F("font-family: monospace;\n");

  109.     message += F("letter-spacing: 0.1em;\n");

  110.     message += F("font-size: 1.2em;\n");

  111.     message += F("line-height: 160%;\n");

  112.     message += F("color: #21230e;\n");

  113.     message += F("text-shadow: -1px 2px 1px rgba(0,0,0,.1);\n");

  114.     message += F("}\n");

  115.     message += F("</style>\n");

  116.     

  117.     message += F("</head><body>\n");

  118.     message += F("<h1>Gieß-o-mat</h1>\n");

  119.     

  120.     message += F("<div class='container'>\n");

  121.     message += F("<div class='ui'>\n");

  122.     message += F("<pre class='lcd'>\n");

  123.     message += message_buffer_a + '\n';

  124.     message += message_buffer_b + '\n';

  125.     message += message_buffer_c + '\n';

  126.     message += message_buffer_d + '\n';

  127.     message += F("</pre>\n");

  128.     

  129.     message += F("<form class='pad'>\n");

  130.     message += F("<input type='button' value='1'>");

  131.     message += F("<input type='button' value='2'>");

  132.     message += F("<input type='button' value='3'>");

  133.     message += F("<br>\n");

  134.     message += F("<input type='button' value='4'>");

  135.     message += F("<input type='button' value='5'>");

  136.     message += F("<input type='button' value='6'>");

  137.     message += F("<br>\n");

  138.     message += F("<input type='button' value='7'>");

  139.     message += F("<input type='button' value='8'>");

  140.     message += F("<input type='button' value='9'>");

  141.     message += F("<br>\n");

  142.     message += F("<input type='button' value='*'>");

  143.     message += F("<input type='button' value='0'>");

  144.     message += F("<input type='button' value='#'>");

  145.     message += F("</form>\n");

  146.     

  147.     message += F("<p id='state'>\n");

  148.     message += F("State: ");

  149.     message += control_state_name();

  150.     message += F("</p></div>\n");

  151.     

  152.     message += F("<div class='info'><p>\n");

  153.     message += F("Version: ");

  154.     message += FIRMWARE_VERSION;

  155.     message += F("\n<br>\n");

  156.     message += F("MAC: ");

  157.     message += WiFi.macAddress();

  158.     message += F("\n</p>\n");

  159. 

  160. #if defined(ARDUINO_ARCH_ESP8266)

  161.     

  162.     message += F("\n<p>\n");

  163.     message += F("Reset reason: ");

  164.     message += ESP.getResetReason();

  165.     message += F("\n<br>\n");

  166.     message += F("Free heap: ");

  167.     message += String(ESP.getFreeHeap());

  168.     message += F(" (");

  169.     message += String(ESP.getHeapFragmentation());

  170.     message += F("% fragmentation)");

  171.     message += F("\n<br>\n");

  172.     message += F("Free sketch space: ");

  173.     message += String(ESP.getFreeSketchSpace());

  174.     message += F("\n<br>\n");

  175.     message += F("Flash chip real size: ");

  176.     message += String(ESP.getFlashChipRealSize());

  177. 

  178.     if (ESP.getFlashChipSize() != ESP.getFlashChipRealSize()) {

  179.         message += F("\n<br>\n");

  180.         message += F("WARNING: sdk chip size (");

  181.         message += (ESP.getFlashChipSize());

  182.         message += F(") does not match!");

  183.     }

  184.     

  185.     message += F("\n</p>\n");

  186.     

  187. #elif defined(ARDUINO_ARCH_ESP32)

  188. 

  189.     message += F("\n<p>\n");

  190.     message += F("Free heap: ");

  191.     message += String(ESP.getFreeHeap() / 1024.0);

  192.     message += F("k\n<br>\n");

  193.     message += F("Free sketch space: ");

  194.     message += String(ESP.getFreeSketchSpace() / 1024.0);

  195.     message += F("k\n<br>\n");

  196.     message += F("Flash chip size: ");

  197.     message += String(ESP.getFlashChipSize() / 1024.0);

  198.     message += F("k\n</p>\n");

  199.     

  200. #endif

  201. 

  202.     message += F("<p>\n");

  203.     message += F("Try <a href='/update'>/update</a> for OTA firmware updates!\n");

  204.     message += F("</p></div>\n");

  205.     message += F("</div></body>\n");

  206.     

  207.     message += F("<script type='text/javascript'>\n");

  208.     message += F("var socket = new WebSocket('ws://' + window.location.hostname + ':81');\n");

  209.     message += F("socket.onmessage = function(e) {\n");

  210.     message += F(    "var msg = JSON.parse(e.data);\n");

  211.     message += F(    "var str = msg.a + '\\n' + msg.b + '\\n' + msg.c + '\\n' + msg.d;\n");

  212.     message += F(    "console.log(str);\n");

  213.     message += F(    "var lcd = document.getElementsByClassName('lcd');\n");

  214.     message += F(    "lcd[0].innerHTML = str;\n");

  215.     message += F(    "var state = document.getElementById('state');\n");

  216.     message += F(    "state.innerHTML = \"State: \" + msg.state;\n");

  217.     message += F("};\n");

  218.     

  219.     message += F("var buttons = document.getElementsByTagName('input');\n");

  220.     message += F("for (let i = 0; i < buttons.length; i++) {\n");

  221.     message += F(    "buttons[i].addEventListener('click', updateButton);\n");

  222.     message += F("}\n");

  223.     message += F("function updateButton() {\n");

  224.     message += F(    "socket.send(this.value);\n");

  225.     message += F("}\n");

  226.     message += F("</script>\n");

  227.     message += F("</html>\n");

  228. 

  229.     server.send(200, "text/html", message);

  230. }

  231. 

  232. void webSocketEvent(uint8_t num, WStype_t type, uint8_t *payload, size_t length) {

  233.     if ((type != WStype_TEXT) || (length != 1)) {

  234.         return;

  235.     }

  236.     

  237.     char c = payload[0];

  238.     if ((c >= '0') && (c <= '9')) {

  239.         control_act_input(c - '0');

  240.     } else if (c == '*') {

  241.         control_act_input(-1);

  242.     } else if (c == '#') {

  243.         control_act_input(-2);

  244.     }

  245. }

  246. 

  247. void wifi_setup() {

  248.     // Build hostname string

  249.     String hostname = "giess-o-mat";

  250. 

  251. #if defined(ARDUINO_ARCH_ESP8266)

  252. 

  253.     // Connect to WiFi AP

  254.     Serial.println("WiFi: initializing");

  255.     WiFi.hostname(hostname);

  256.     WiFi.mode(WIFI_STA);

  257.     

  258.     Serial.print("WiFi: connecting");

  259.     WiFi.begin(WIFI_SSID, WIFI_PW);

  260.     while (WiFi.status() != WL_CONNECTED) {

  261.         Serial.print(".");

  262.         delay(LED_CONNECT_BLINK_INTERVAL);

  263.         digitalWrite(BUILTIN_LED_PIN, !digitalRead(BUILTIN_LED_PIN));

  264.     }

  265.     Serial.println();

  266.     

  267. #elif defined(ARDUINO_ARCH_ESP32)

  268. 

  269.     // Set hostname workaround

  270.     Serial.println("WiFi: set hostname");

  271.     WiFi.config(INADDR_NONE, INADDR_NONE, INADDR_NONE);

  272.     WiFi.setHostname(hostname.c_str());

  273.     

  274.     // Workaround for WiFi connecting only every 2nd reset

  275.     // https://github.com/espressif/arduino-esp32/issues/2501#issuecomment-513602522

  276.     Serial.println("WiFi: connection work-around");

  277.     WiFi.onEvent([](WiFiEvent_t event, WiFiEventInfo_t info) {

  278.         if (info.disconnected.reason == 202) {

  279.             esp_sleep_enable_timer_wakeup(10);

  280.             esp_deep_sleep_start();

  281.             delay(100);

  282.         }

  283.     }, WiFiEvent_t::SYSTEM_EVENT_STA_DISCONNECTED);

  284. 

  285.     // Connect to WiFi AP

  286.     Serial.println("WiFi: SSID=" WIFI_SSID);

  287.     Serial.print("WiFi: connecting");

  288.     WiFi.mode(WIFI_STA);

  289.     WiFi.begin(WIFI_SSID, WIFI_PW);

  290.     while (WiFi.status() != WL_CONNECTED) {

  291.         Serial.print(".");

  292.         delay(LED_CONNECT_BLINK_INTERVAL);

  293.         digitalWrite(BUILTIN_LED_PIN, !digitalRead(BUILTIN_LED_PIN));

  294.     }

  295.     Serial.println();

  296.     

  297.     // Set hostname workaround

  298.     Serial.println("WiFi: set hostname work-around");

  299.     WiFi.setHostname(hostname.c_str());

  300. 

  301. #endif

  302. 

  303.     // Setup HTTP Server

  304.     Serial.println("WiFi: initializing HTTP server");

  305.     MDNS.begin(hostname.c_str());

  306.     updater.setup(&server);

  307.     server.on("/", handleRoot);

  308.     server.begin();

  309.     MDNS.addService("http", "tcp", 80);

  310.     

  311.     socket.begin();

  312.     socket.onEvent(webSocketEvent);

  313.     

  314.     Serial.println("WiFi: setup done");

  315. }

  316. 

  317. void wifi_run() {

  318.     if ((millis() - last_server_handle_time) >= SERVER_HANDLE_INTERVAL) {

  319.         last_server_handle_time = millis();

  320.         server.handleClient();

  321.         socket.loop();

  322.         

  323. #ifdef ARDUINO_ARCH_ESP8266

  324.         MDNS.update();

  325. #endif // ARDUINO_ARCH_ESP8266

  326.     }

  327.     

  328.     // reset ESP every 6h to be safe

  329.     if (millis() >= (6 * 60 * 60 * 1000)) {

  330.         ESP.restart();

  331.     }

  332. }

  333. 

  334. #endif // PLATFORM_ESP