85 lines
2.0 KiB
C++
85 lines
2.0 KiB
C++
#include "arduino.h"
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#include <WebSocketsClient.h>
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#include <WiFiMulti.h>
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#include <WiFi.h>
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#include "websockets.h"
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WebSocketsClient webSocket;
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WiFiMulti WiFiMulti;
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websockets::websockets(){
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}
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// hexdump function for websockets binary handler
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void websockets::hexdump(const void *mem, uint32_t len, uint8_t cols) {
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const uint8_t* src = (const uint8_t*) mem;
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USE_SERIAL.printf("\n[HEXDUMP] Address: 0x%08X len: 0x%X (%d)", (ptrdiff_t)src, len, len);
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for(uint32_t i = 0; i < len; i++) {
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if(i % cols == 0) {
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USE_SERIAL.printf("\n[0x%08X] 0x%08X: ", (ptrdiff_t)src, i);
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}
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USE_SERIAL.printf("%02X ", *src);
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src++;
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}
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USE_SERIAL.printf("\n");
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}
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// special function to setup websocket
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void websockets::websocketSetup(){
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WiFiMulti.addAP("iotroam", "vbK9gbDBIB");
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WiFiMulti.addAP("LansanKPN-boven", "19sander71vlieland14");
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while(WiFiMulti.run() != WL_CONNECTED) {
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delay(100);
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}
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// server address, port and URL
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webSocket.begin("145.92.8.114", 80, "/ws");
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// event handler
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// webSocket.onEvent(webSocketEvent);
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// try ever 500 again if connection has failed
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webSocket.setReconnectInterval(500);
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}
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void websockets::loop(){
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webSocket.loop();
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}
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// handler for websocket events
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void websockets::webSocketEvent(WStype_t type, uint8_t * payload, size_t length) {
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switch(type) {
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case WStype_DISCONNECTED:
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USE_SERIAL.printf("[WSc] Disconnected!\n");
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break;
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case WStype_CONNECTED:
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USE_SERIAL.printf("[WSc] Connected to url: %s\n", payload);
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// send message to server when Connected
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webSocket.sendTXT("{\"message\": \"Connected\"}");
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break;
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case WStype_TEXT:
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// USE_SERIAL.printf("[WSc] get text: %s\n", payload);
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// send message to server
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// webSocket.sendTXT("message here");
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break;
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case WStype_BIN:
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// USE_SERIAL.printf("[WSc] get binary length: %u\n", length);
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hexdump(payload, length);
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// send data to server
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// webSocket.sendBIN(payload, length);
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break;
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case WStype_ERROR:
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case WStype_FRAGMENT_TEXT_START:
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case WStype_FRAGMENT_BIN_START:
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case WStype_FRAGMENT:
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case WStype_FRAGMENT_FIN:
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break;
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}
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}
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