diff options
| author | krolyxon <me@krolyxon.com> | 2026-06-08 23:10:46 +0530 |
|---|---|---|
| committer | krolyxon <me@krolyxon.com> | 2026-06-08 23:10:46 +0530 |
| commit | 3120783000d0025b183b0397acaa8b769499eb38 (patch) | |
| tree | 1c4f93be213f1b1d48f59e554562d847b4e7c25e /.pio/libdeps/esp32-s3-n16r8/ArduinoJson/examples/JsonUdpBeacon | |
Initial gh-pages firmware hosting
Diffstat (limited to '.pio/libdeps/esp32-s3-n16r8/ArduinoJson/examples/JsonUdpBeacon')
| -rw-r--r-- | .pio/libdeps/esp32-s3-n16r8/ArduinoJson/examples/JsonUdpBeacon/JsonUdpBeacon.ino | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/.pio/libdeps/esp32-s3-n16r8/ArduinoJson/examples/JsonUdpBeacon/JsonUdpBeacon.ino b/.pio/libdeps/esp32-s3-n16r8/ArduinoJson/examples/JsonUdpBeacon/JsonUdpBeacon.ino new file mode 100644 index 0000000..f3de119 --- /dev/null +++ b/.pio/libdeps/esp32-s3-n16r8/ArduinoJson/examples/JsonUdpBeacon/JsonUdpBeacon.ino @@ -0,0 +1,106 @@ +// ArduinoJson - https://arduinojson.org +// Copyright © 2014-2026, Benoit BLANCHON +// MIT License +// +// This example shows how to send a JSON document to a UDP socket. +// At regular interval, it sends a UDP packet that contains the status of +// analog and digital pins. +// It looks like that: +// { +// "analog": [0, 76, 123, 158, 192, 205], +// "digital": [1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0] +// } +// +// If you want to test this program, you need to be able to receive the UDP +// packets. +// For example, you can run netcat on your computer +// $ ncat -ulp 8888 +// See https://nmap.org/ncat/ +// +// https://arduinojson.org/v7/example/udp-beacon/ + +#include <ArduinoJson.h> +#include <Ethernet.h> +#include <SPI.h> + +byte mac[] = {0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED}; +IPAddress remoteIp(192, 168, 0, 108); // <- EDIT!!!! +unsigned short remotePort = 8888; +unsigned short localPort = 8888; +EthernetUDP udp; + +void setup() { + // Initialize serial port + Serial.begin(9600); + while (!Serial) + continue; + + // Initialize Ethernet libary + if (!Ethernet.begin(mac)) { + Serial.println(F("Failed to initialize Ethernet library")); + return; + } + + // Enable UDP + udp.begin(localPort); +} + +void loop() { + // Allocate a temporary JsonDocument + JsonDocument doc; + + // Create the "analog" array + JsonArray analogValues = doc["analog"].to<JsonArray>(); + for (int pin = 0; pin < 6; pin++) { + // Read the analog input + int value = analogRead(pin); + + // Add the value at the end of the array + analogValues.add(value); + } + + // Create the "digital" array + JsonArray digitalValues = doc["digital"].to<JsonArray>(); + for (int pin = 0; pin < 14; pin++) { + // Read the digital input + int value = digitalRead(pin); + + // Add the value at the end of the array + digitalValues.add(value); + } + + // Log + Serial.print(F("Sending to ")); + Serial.print(remoteIp); + Serial.print(F(" on port ")); + Serial.println(remotePort); + serializeJson(doc, Serial); + + // Send UDP packet + udp.beginPacket(remoteIp, remotePort); + serializeJson(doc, udp); + udp.println(); + udp.endPacket(); + + // Wait + delay(10000); +} + +// Performance issue? +// ------------------ +// +// EthernetUDP is an unbuffered stream, which is not optimal for ArduinoJson. +// See: https://arduinojson.org/v7/how-to/improve-speed/ + +// See also +// -------- +// +// https://arduinojson.org/ contains the documentation for all the functions +// used above. It also includes an FAQ that will help you solve any +// serialization problem. +// +// The book "Mastering ArduinoJson" contains a tutorial on serialization. +// It begins with a simple example, then adds more features like serializing +// directly to a file or any stream. +// Learn more at https://arduinojson.org/book/ +// Use the coupon code TWENTY for a 20% discount ❤❤❤❤❤ |
