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Add Webserial (#444)

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* Webserial

* Webserial
This commit is contained in:
iranl
2024-08-09 11:35:42 +02:00
committed by GitHub
parent 44b5f71b40
commit 43ac62a22d
86 changed files with 1846 additions and 1192 deletions
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79
lib/ESP Async WebServer/examples/SimpleServer/SimpleServer.ino
View File

@@ -16,12 +16,14 @@
#include <WebServer.h>
#include <WiFi.h>
#endif
#include <ESPAsyncWebServer.h>
AsyncWebServer server(80);
#include <ArduinoJson.h>
#include <AsyncJson.h>
#include <AsyncMessagePack.h>
const char* ssid = "YOUR_SSID";
const char* password = "YOUR_PASSWORD";
AsyncWebServer server(80);
const char* PARAM_MESSAGE = "message";
@@ -29,18 +31,24 @@ void notFound(AsyncWebServerRequest* request) {
request->send(404, "text/plain", "Not found");
}
AsyncCallbackJsonWebHandler* jsonHandler = new AsyncCallbackJsonWebHandler("/json2");
AsyncCallbackMessagePackWebHandler* msgPackHandler = new AsyncCallbackMessagePackWebHandler("/msgpack2");
void setup() {
Serial.begin(115200);
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
if (WiFi.waitForConnectResult() != WL_CONNECTED) {
Serial.printf("WiFi Failed!\n");
return;
}
Serial.print("IP Address: ");
Serial.println(WiFi.localIP());
// WiFi.mode(WIFI_STA);
// WiFi.begin("YOUR_SSID", "YOUR_PASSWORD");
// if (WiFi.waitForConnectResult() != WL_CONNECTED) {
// Serial.printf("WiFi Failed!\n");
// return;
// }
// Serial.print("IP Address: ");
// Serial.println(WiFi.localIP());
WiFi.mode(WIFI_AP);
WiFi.softAP("esp-captive");
server.on("/", HTTP_GET, [](AsyncWebServerRequest* request) {
request->send(200, "text/plain", "Hello, world");
@@ -68,6 +76,55 @@ void setup() {
request->send(200, "text/plain", "Hello, POST: " + message);
});
// JSON
// receives JSON and sends JSON
jsonHandler->onRequest([](AsyncWebServerRequest* request, JsonVariant& json) {
JsonObject jsonObj = json.as<JsonObject>();
// ...
AsyncJsonResponse* response = new AsyncJsonResponse();
JsonObject root = response->getRoot().to<JsonObject>();
root["hello"] = "world";
response->setLength();
request->send(response);
});
// sends JSON
server.on("/json1", HTTP_GET, [](AsyncWebServerRequest* request) {
AsyncJsonResponse* response = new AsyncJsonResponse();
JsonObject root = response->getRoot().to<JsonObject>();
root["hello"] = "world";
response->setLength();
request->send(response);
});
// MessagePack
// receives MessagePack and sends MessagePack
msgPackHandler->onRequest([](AsyncWebServerRequest* request, JsonVariant& json) {
JsonObject jsonObj = json.as<JsonObject>();
// ...
AsyncMessagePackResponse* response = new AsyncMessagePackResponse();
JsonObject root = response->getRoot().to<JsonObject>();
root["hello"] = "world";
response->setLength();
request->send(response);
});
// sends MessagePack
server.on("/msgpack1", HTTP_GET, [](AsyncWebServerRequest* request) {
AsyncMessagePackResponse* response = new AsyncMessagePackResponse();
JsonObject root = response->getRoot().to<JsonObject>();
root["hello"] = "world";
response->setLength();
request->send(response);
});
server.addHandler(jsonHandler);
server.addHandler(msgPackHandler);
server.onNotFound(notFound);
server.begin();

107
lib/ESP Async WebServer/examples/issues/Issue14/Issue14.ino Normal file
View File

@@ -0,0 +1,107 @@
#include <DNSServer.h>
#ifdef ESP32
#include <AsyncTCP.h>
#include <WiFi.h>
#elif defined(ESP8266)
#include <ESP8266WiFi.h>
#include <ESPAsyncTCP.h>
#elif defined(TARGET_RP2040)
#include <WebServer.h>
#include <WiFi.h>
#endif
#include "ESPAsyncWebServer.h"
const char appWebPage[] PROGMEM = R"rawliteral(
<body>
<button id="button1" onclick="fetch('/button1');">Relay1</button>
<script>
const evtSource = new EventSource("/events");
button1 = document.getElementById("button1");
evtSource.addEventListener('state', (e) => {
const data = JSON.parse(e.data);
console.log('Event Source data: ', data);
if (data.button1) {
button1.style.backgroundColor = "green";
}
else {
button1.style.backgroundColor = "red";
}
});
</script>
</body>
)rawliteral";
AsyncWebServer server(80);
AsyncEventSource events("/events");
const uint32_t interval = 1000;
const int button1Pin = 4;
uint32_t lastSend = 0;
void prepareJson(String& buffer) {
buffer.reserve(512);
buffer.concat("{\"button1\":");
buffer.concat(digitalRead(button1Pin) == LOW);
buffer.concat(",\"1234567890abcdefghij1234567890abcdefghij1234567890abcdefghij1234567890abcdefghij1234567890abcdefghij1234567890abcdefghij\":");
buffer.concat(random(0, 999999999));
buffer.concat("}");
}
void setup() {
Serial.begin(115200);
#if ARDUINO_USB_CDC_ON_BOOT
Serial.setTxTimeoutMs(0);
delay(100);
#else
while (!Serial)
yield();
#endif
randomSeed(micros());
pinMode(button1Pin, OUTPUT);
digitalWrite(button1Pin, HIGH);
WiFi.softAP("esp-captive");
server.on("/", HTTP_GET, [](AsyncWebServerRequest* request) {
request->send(200, "text/html", appWebPage);
});
server.on("/button1", HTTP_GET, [](AsyncWebServerRequest* request) {
request->send(200, "text/plain", "OK");
digitalWrite(button1Pin, digitalRead(button1Pin) == LOW ? HIGH : LOW);
String buffer;
prepareJson(buffer);
ESP_LOGI("async_tcp", "Sending from handler...");
events.send(buffer.c_str(), "state", millis());
ESP_LOGI("async_tcp", "Sent from handler!");
});
events.onConnect([](AsyncEventSourceClient* client) {
String buffer;
prepareJson(buffer);
ESP_LOGI("async_tcp", "Sending from onConnect...");
client->send(buffer.c_str(), "state", millis(), 5000);
ESP_LOGI("async_tcp", "Sent from onConnect!");
});
server.addHandler(&events);
DefaultHeaders::Instance().addHeader("Access-Control-Allow-Origin", "*");
server.begin();
}
void loop() {
if (millis() - lastSend >= interval) {
String buffer;
prepareJson(buffer);
ESP_LOGI("loop", "Sending...");
events.send(buffer.c_str(), "state", millis());
ESP_LOGI("loop", "Sent!");
lastSend = millis();
}
}