Last active
December 28, 2017 08:48
-
-
Save yakutozcan/10620dd19ab8e618b254fcbf29fc5046 to your computer and use it in GitHub Desktop.
bitcoin,esp8266,nodemcu,arduino,oled display,SSD1306
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| //yakutozcan.blogspot.com | |
| #include <Arduino.h> | |
| #include <ESP8266WiFi.h> | |
| #include <ESP8266WiFiMulti.h> | |
| #include <ESP8266HTTPClient.h> | |
| #define USE_SERIAL Serial | |
| ESP8266WiFiMulti WiFiMulti; | |
| #include <Wire.h> | |
| #include "SSD1306.h" | |
| //D1 ile D2 pinine bağlı ekran | |
| SSD1306 display(0x3c, D1, D2); | |
| #include <ArduinoJson.h> | |
| void setup() { | |
| USE_SERIAL.begin(115200); | |
| USE_SERIAL.println(); | |
| USE_SERIAL.println(); | |
| USE_SERIAL.println(); | |
| display.init(); | |
| display.flipScreenVertically(); | |
| display.setContrast(255); | |
| display.clear(); | |
| display.setFont(ArialMT_Plain_24); | |
| display.setTextAlignment(TEXT_ALIGN_CENTER_BOTH); | |
| for (uint8_t t = 0; t <= 4; t++) { | |
| USE_SERIAL.printf("[SETUP] WAIT %d...\n", t); | |
| USE_SERIAL.flush(); | |
| display.clear(); | |
| display.drawProgressBar(0, 32, 120, 10, t * 25); | |
| display.drawString(64, 15, String(t * 25) + "%"); | |
| display.display(); | |
| delay(1000); | |
| } | |
| //Wifi ayarları | |
| WiFiMulti.addAP("yakutozcan", "wifisifre"); | |
| } | |
| void loop() { | |
| if ((WiFiMulti.run() == WL_CONNECTED)) { | |
| HTTPClient http; | |
| USE_SERIAL.print("[HTTP] begin...\n"); | |
| //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 | |
| //Coin durumunu aldığımız borsa | |
| http.begin("https://api.coinbase.com/v2/prices/spot?currency=USD", "B3 9C 3E 29 EF 32 9B 20 80 6E AC 2C F0 7C D9 D4 24 1A 2D C6"); //HTTP | |
| USE_SERIAL.print("[HTTP] GET...\n"); | |
| int httpCode = http.GET(); | |
| if (httpCode > 0) { | |
| USE_SERIAL.printf("[HTTP] GET... code: %d\n", httpCode); | |
| if (httpCode == HTTP_CODE_OK) { | |
| String payload = http.getString(); | |
| USE_SERIAL.println(payload); | |
| const size_t capacity = JSON_OBJECT_SIZE(3) + JSON_ARRAY_SIZE(2) + 60; | |
| DynamicJsonBuffer jsonBuffer(capacity); | |
| //JSON objesini parçaladığımız kısım | |
| JsonObject& root = jsonBuffer.parseObject(payload); | |
| JsonObject& data = root["data"]; | |
| const char* data_amount = data["amount"]; | |
| USE_SERIAL.println(data_amount); | |
| display.clear(); | |
| display.drawString(64, 22, "1 BTC>USD"); | |
| display.drawString(64, 42, data_amount); | |
| display.display(); | |
| } | |
| } else { | |
| USE_SERIAL.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str()); | |
| } | |
| http.end(); | |
| } | |
| //10sn bekleme | |
| delay(10000); | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment