diff --git a/examples/esp32/WebSocketClientSSLBundle/webSockerClientSSLBundle.ino b/examples/esp32/WebSocketClientSSLBundle/webSockerClientSSLBundle.ino new file mode 100644 index 0000000..1765614 --- /dev/null +++ b/examples/esp32/WebSocketClientSSLBundle/webSockerClientSSLBundle.ino @@ -0,0 +1,127 @@ +/* + * main.cpp + * + * Created on: 15.06.2024 + * + */ + +#include +#include +#include + +#include + +extern const uint8_t rootca_crt_bundle_start[] asm( + "_binary_data_cert_x509_crt_bundle_bin_start"); + +WiFiMulti wifiMulti; +WebSocketsClient webSocket; + +#define USE_SERIAL Serial + +void setClock() { + configTime(0, 0, "pool.ntp.org", "time.nist.gov"); + + USE_SERIAL.print(F("Waiting for NTP time sync: ")); + time_t nowSecs = time(nullptr); + while(nowSecs < 8 * 3600 * 2) { + delay(500); + USE_SERIAL.print(F(".")); + yield(); + nowSecs = time(nullptr); + } + + USE_SERIAL.println(); + struct tm timeinfo; + gmtime_r(&nowSecs, &timeinfo); + USE_SERIAL.print(F("Current time: ")); + USE_SERIAL.print(asctime(&timeinfo)); +} + +void hexdump(const void * mem, uint32_t len, uint8_t cols = 16) { + const uint8_t * src = (const uint8_t *)mem; + USE_SERIAL.printf("\n[HEXDUMP] Address: 0x%08X len: 0x%X (%d)", (ptrdiff_t)src, len, len); + for(uint32_t i = 0; i < len; i++) { + if(i % cols == 0) { + USE_SERIAL.printf("\n[0x%08X] 0x%08X: ", (ptrdiff_t)src, i); + } + USE_SERIAL.printf("%02X ", *src); + src++; + } + USE_SERIAL.printf("\n"); +} + +void webSocketEvent(WStype_t type, uint8_t * payload, size_t length) { + switch(type) { + case WStype_DISCONNECTED: + USE_SERIAL.printf("[WSc] Disconnected!\n"); + break; + case WStype_CONNECTED: + USE_SERIAL.printf("[WSc] Connected to url: %s\n", payload); + + // send message to server when Connected + webSocket.sendTXT("Connected"); + break; + case WStype_TEXT: + USE_SERIAL.printf("[WSc] get text: %s\n", payload); + + // send message to server + // webSocket.sendTXT("message here"); + break; + case WStype_BIN: + USE_SERIAL.printf("[WSc] get binary length: %u\n", length); + hexdump(payload, length); + + // send data to server + // webSocket.sendBIN(payload, length); + break; + case WStype_ERROR: + case WStype_FRAGMENT_TEXT_START: + case WStype_FRAGMENT_BIN_START: + case WStype_FRAGMENT: + case WStype_FRAGMENT_FIN: + break; + } +} + +void setup() { + USE_SERIAL.begin(115200); + + USE_SERIAL.setDebugOutput(true); + + USE_SERIAL.println(); + USE_SERIAL.println(); + USE_SERIAL.println(); + + for(uint8_t t = 4; t > 0; t--) { + USE_SERIAL.printf("[SETUP] BOOT WAIT %d...\n", t); + USE_SERIAL.flush(); + delay(1000); + } + + wifiMulti.addAP("SSID", "WIFI_PASSPHRASE"); + + // WiFi.disconnect(); + while(wifiMulti.run() != WL_CONNECTED) { + delay(100); + } + + setClock(); + + // server address, port and URL. This server can be flakey. + // Expected response: Request served by 0123456789abcdef + webSocket.beginSslWithBundle("echo.websocket.org", 443, "/", rootca_crt_bundle_start, ""); + + // event handler + webSocket.onEvent(webSocketEvent); + + // use HTTP Basic Authorization this is optional enable if needed + // webSocket.setAuthorization("user", "Password"); + + // try ever 5000 again if connection has failed + webSocket.setReconnectInterval(5000); +} + +void loop() { + webSocket.loop(); +}