91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
#include <Arduino.h>
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#include <ArduinoJson.h>
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#include <ESP8266WiFi.h>
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#include <ESP8266WiFiMulti.h>
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#include <ESP8266HTTPClient.h>
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#define USE_SERIAL Serial
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ESP8266WiFiMulti WiFiMulti;
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char macAddr[18];
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// Generated with: https://arduinojson.org/assistant/
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const size_t bufferSize = JSON_OBJECT_SIZE(3) + 50;
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DynamicJsonBuffer jsonBuffer(bufferSize);
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void setup() {
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pinMode(D2, OUTPUT);
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digitalWrite(D2, HIGH);
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USE_SERIAL.begin(115200);
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// USE_SERIAL.setDebugOutput(true);
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USE_SERIAL.println();
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USE_SERIAL.println();
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USE_SERIAL.println();
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for(uint8_t t = 4; t > 0; t--) {
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USE_SERIAL.printf("[SETUP] WAIT %d...\n", t);
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USE_SERIAL.flush();
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delay(1000);
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}
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WiFi.mode(WIFI_STA);
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WiFiMulti.addAP("Protospace", "yycmakers");
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byte ar[6];
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WiFi.macAddress(ar);
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sprintf(macAddr, "%02X%02X%02X%02X%02X%02X", ar[0], ar[1], ar[2], ar[3], ar[4], ar[5]);
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USE_SERIAL.println(macAddr);
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}
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void loop() {
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// wait for WiFi connection
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if((WiFiMulti.run() == WL_CONNECTED)) {
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HTTPClient http;
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USE_SERIAL.print("[HTTP] begin...\n");
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// configure traged server and url
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//http.begin("https://192.168.1.12/test.html", "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); //HTTPS
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http.begin(String("http://172.17.32.164:3000/api/tool/") + macAddr); //HTTP
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USE_SERIAL.print("[HTTP] GET...\n");
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// start connection and send HTTP header
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int httpCode = http.GET();
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// httpCode will be negative on error
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if(httpCode > 0) {
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// HTTP header has been send and Server response header has been handled
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USE_SERIAL.printf("[HTTP] GET... code: %d\n", httpCode);
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// file found at server
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if(httpCode == HTTP_CODE_OK) {
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String payload = http.getString();
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USE_SERIAL.println(payload);
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JsonObject& root = jsonBuffer.parseObject(payload);
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bool relayOn = root["relayOn"]; // true
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bool ledOn = root["ledOn"]; // true
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const char* date = root["date"]; // "2018-02-01"
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USE_SERIAL.println(String("relayOn: ") + relayOn + String(" ledOn: ") + ledOn + String(" Date: ") + date);
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digitalWrite(D2, !relayOn);
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}
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} else {
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USE_SERIAL.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
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}
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http.end();
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}
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delay(10000);
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}
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