|
| 1 | +/* |
| 2 | + * WebSocketClient.ino |
| 3 | + * |
| 4 | + * Created on: 10.08.2024 |
| 5 | + * |
| 6 | + */ |
| 7 | + |
| 8 | +#include <Arduino.h> |
| 9 | +#include <rpcWiFi.h> |
| 10 | +#include <WiFiMulti.h> |
| 11 | +#include <WebSocketsClient.h> |
| 12 | + |
| 13 | +WebSocketsClient webSocket; |
| 14 | +WiFiMulti wifiMulti; |
| 15 | + |
| 16 | +#define USE_SERIAL Serial |
| 17 | + |
| 18 | +void hexdump(const void *mem, uint32_t len, uint8_t cols = 16) { |
| 19 | + const uint8_t* src = (const uint8_t*) mem; |
| 20 | + USE_SERIAL.printf("\n[HEXDUMP] Address: 0x%08X len: 0x%X (%d)", (ptrdiff_t)src, len, len); |
| 21 | + for(uint32_t i = 0; i < len; i++) { |
| 22 | + if(i % cols == 0) { |
| 23 | + USE_SERIAL.printf("\n[0x%08X] 0x%08X: ", (ptrdiff_t)src, i); |
| 24 | + } |
| 25 | + USE_SERIAL.printf("%02X ", *src); |
| 26 | + src++; |
| 27 | + } |
| 28 | + USE_SERIAL.printf("\n"); |
| 29 | +} |
| 30 | + |
| 31 | +void webSocketEvent(WStype_t type, uint8_t * payload, size_t length) { |
| 32 | + |
| 33 | + switch(type) { |
| 34 | + case WStype_DISCONNECTED: |
| 35 | + USE_SERIAL.printf("[WSc] Disconnected!\n"); |
| 36 | + break; |
| 37 | + case WStype_CONNECTED: |
| 38 | + USE_SERIAL.printf("[WSc] Connected to url: %s\n", payload); |
| 39 | + |
| 40 | + // send message to server when Connected |
| 41 | + webSocket.sendTXT("Connected"); |
| 42 | + break; |
| 43 | + case WStype_TEXT: |
| 44 | + USE_SERIAL.printf("[WSc] get text: %s\n", payload); |
| 45 | + |
| 46 | + // send message to server |
| 47 | + // webSocket.sendTXT("message here"); |
| 48 | + break; |
| 49 | + case WStype_BIN: |
| 50 | + USE_SERIAL.printf("[WSc] get binary length: %u\n", length); |
| 51 | + hexdump(payload, length); |
| 52 | + |
| 53 | + // send data to server |
| 54 | + // webSocket.sendBIN(payload, length); |
| 55 | + break; |
| 56 | + case WStype_ERROR: |
| 57 | + case WStype_FRAGMENT_TEXT_START: |
| 58 | + case WStype_FRAGMENT_BIN_START: |
| 59 | + case WStype_FRAGMENT: |
| 60 | + case WStype_PONG: |
| 61 | + case WStype_PING: |
| 62 | + case WStype_FRAGMENT_FIN: |
| 63 | + break; |
| 64 | + } |
| 65 | + |
| 66 | +} |
| 67 | + |
| 68 | +void setup() { |
| 69 | + // USE_SERIAL.begin(921600); |
| 70 | + USE_SERIAL.begin(115200); |
| 71 | + |
| 72 | + USE_SERIAL.println(); |
| 73 | + USE_SERIAL.println(); |
| 74 | + USE_SERIAL.println(); |
| 75 | + |
| 76 | + for(uint8_t t = 4; t > 0; t--) { |
| 77 | + USE_SERIAL.printf("[SETUP] BOOT WAIT %d...\n", t); |
| 78 | + USE_SERIAL.flush(); |
| 79 | + delay(1000); |
| 80 | + } |
| 81 | + |
| 82 | + wifiMulti.addAP("SSID", "passpasspass"); |
| 83 | + |
| 84 | + //WiFi.disconnect(); |
| 85 | + while(wifiMulti.run() != WL_CONNECTED) { |
| 86 | + delay(100); |
| 87 | + } |
| 88 | + |
| 89 | + // server address, port and URL |
| 90 | + webSocket.begin("192.168.0.123", 81, "/"); |
| 91 | + |
| 92 | + // event handler |
| 93 | + webSocket.onEvent(webSocketEvent); |
| 94 | + |
| 95 | + // use HTTP Basic Authorization this is optional remove if not needed |
| 96 | + webSocket.setAuthorization("user", "Password"); |
| 97 | + |
| 98 | + // try ever 5000 again if connection has failed |
| 99 | + webSocket.setReconnectInterval(5000); |
| 100 | + |
| 101 | +} |
| 102 | + |
| 103 | +void loop() { |
| 104 | + webSocket.loop(); |
| 105 | +} |
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