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# biciClock
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## A simple ws2812 WallClock that also displays citybike stations
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This is a funny project, check it out
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#include <Adafruit_NeoPixel.h>
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#include <ArduinoJson.h>
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#include <ESP8266WiFi.h>
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#include <ESP8266HTTPClient.h>
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#include <DNSServer.h>
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#include <ESP8266WebServer.h>
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#include <WiFiManager.h>
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#define STATION_UID "93" // location id
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#define HOST "testing.lbsfilm.at"
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#define SEGLEN 5 // SegmentLength
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#define SEPLEN 2 // SeperatorLength
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#define NUM_LEDS 142 //SEGLEN * 4 * 7 + 2
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#define DATA_PIN D5 // Data pin for led comunication
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Adafruit_NeoPixel clock = Adafruit_NeoPixel(NUM_LEDS, DATA_PIN, NEO_GRB + NEO_KHZ800);
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byte digits[12][7] = {
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{ 0, 1, 1, 1, 1, 1, 1 }, // Digit 0
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{ 0, 1, 0, 0, 0, 0, 1 }, // Digit 1
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{ 1, 1, 1, 0, 1, 1, 0 }, // Digit 2
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{ 1, 1, 1, 0, 0, 1, 1 }, // Digit 3
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{ 1, 1, 0, 1, 0, 0, 1 }, // Digit 4
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{ 1, 0, 1, 1, 0, 1, 1 }, // Digit 5
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{ 1, 0, 1, 1, 1, 1, 1 }, // Digit 6
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{ 0, 1, 1, 0, 0, 0, 1 }, // Digit 7
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{ 1, 1, 1, 1, 1, 1, 1 }, // Digit 8
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{ 1, 1, 1, 1, 0, 1, 1 }, // Digit 9
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{ 1, 1, 1, 1, 0, 0, 0 }, // Digit *0
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{ 0, 0, 1, 1, 1, 1, 0 } // Digit C
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};
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long oldTime = 0;
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String bicislots = "";
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String bicis = "";
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String hours = "";
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String minutes = "";
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void setup() {
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Serial.begin(115200);
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WiFiManager wifiManager;
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wifiManager.autoConnect("ConfigureClock");
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clock.begin();
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clock.show(); // Initialize all pixels to 'off'
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colon(clock.Color(255, 255, 255));
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delay(1000);
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colorWipe( clock.Color(0, 100, 150), 10);
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colorWipe( clock.Color(0, 0, 0), 5);
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getData();
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displayNumber("99:99", clock.Color(150, 150, 150));
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}
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void displayNumber(String string, uint32_t color) {
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for (int i = 0; i < 4; i++) {
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if (i < 2) fillNumber(i, string[i] - 48, color);
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else fillNumber(i, string[i + 1] - 48, color);
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}
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if (string[2] == ':') colon(color);
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else nocolon();
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}
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void colon(uint32_t color) {
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for (int led = 0; led < SEPLEN; led++) {
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int currentLed = SEGLEN * 14 + led;
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clock.setPixelColor(currentLed, color);
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}
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clock.show();
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}
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void nocolon() {
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for (int led = 0; led < SEPLEN; led++) {
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int currentLed = SEGLEN * 14 + led;
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clock.setPixelColor(currentLed, 0);
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}
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clock.show();
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}
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void fillNumber(int position, int digit, uint32_t color) {
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int offset = 0;
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if (position > 3)return;
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if (position < 0)return;
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if (position > 1) offset = SEPLEN;
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for (int seg = 0; seg < 7; seg++) {
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for (int led = 0; led < SEGLEN; led++) {
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int currentLed = position * 5 * 7 + seg * 5 + led + offset;
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if (digits[digit][seg] == 1) {
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clock.setPixelColor(currentLed, color);
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} else {
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clock.setPixelColor(currentLed, clock.Color(0, 0, 0));
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}
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}
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}
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}
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void loop() // Main loop
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{
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// Check motion sensor
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// get data and time
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uint32_t c = clock.Color(0, 100, 150);
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fillNumber(3, 0, c);
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clock.show();
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delay(1000);
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fillNumber(0, 1, c);
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clock.show();
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delay(1000);
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fillNumber(1, 2, c);
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clock.show();
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delay(1000);
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fillNumber(2, 3, c);
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clock.show();
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delay(1000);
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fillNumber(3, 4, c);
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clock.show();
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delay(1000);
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fillNumber(0, 5, c);
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clock.show();
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delay(1000);
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fillNumber(1, 6, c);
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clock.show();
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delay(1000);
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fillNumber(2, 7, c);
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clock.show();
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delay(1000);
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fillNumber(3, 8, c);
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clock.show();
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delay(1000);
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fillNumber(0, 9, c);
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clock.show();
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delay(1000);
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}
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void getData() {
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HTTPClient https;
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https.begin("https://testing.lbsfilm.at/stations?stationId=93", "1D:62:C5:06:5E:45:51:26:2F:56:A5:BD:E9:5E:F1:33:C8:6C:66:05"); //HTTPS
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int httpCode = https.GET();
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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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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 = https.getString();
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Serial.println(payload);
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// Compute optimal size of the JSON buffer according to what we need to parse.
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// See https://bblanchon.github.io/ArduinoJson/assistant/
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// Allocate a temporary memory pool
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DynamicJsonBuffer jsonBuffer(650);
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JsonObject& root = jsonBuffer.parseObject(payload);
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if (!root.success()) {
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Serial.println("JSON parsing failed!");
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return;
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}
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Serial.println("JSON parsing SUCCEDED!");
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const char* bicislotsChar = root["empty_slots"];
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bicislots = String(bicislotsChar);
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const char* bicisChar = root["free_bikes"];
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bicis = String(bicisChar);
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}
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} else {
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Serial.printf("[HTTP] GET... failed, error: %s\n", https.errorToString(httpCode).c_str());
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}
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https.end();
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oldTime = millis();
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}
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/* LED FX */
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// Fill the dots one after the other with a color
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void colorWipe(uint32_t c, uint8_t wait) {
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for (uint16_t i = 0; i < clock.numPixels(); i++) {
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clock.setPixelColor(i, c);
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clock.show();
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delay(wait);
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}
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}
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void rainbow(uint8_t wait) {
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uint16_t i, j;
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for (j = 0; j < 256; j++) {
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for (i = 0; i < clock.numPixels(); i++) {
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clock.setPixelColor(i, Wheel((i + j) & 255));
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}
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clock.show();
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delay(wait);
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}
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}
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// Slightly different, this makes the rainbow equally distributed throughout
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void rainbowCycle(uint8_t wait) {
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uint16_t i, j;
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for (j = 0; j < 256 * 5; j++) { // 5 cycles of all colors on wheel
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for (i = 0; i < clock.numPixels(); i++) {
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clock.setPixelColor(i, Wheel(((i * 256 / clock.numPixels()) + j) & 255));
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}
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clock.show();
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delay(wait);
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}
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}
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//Theatre-style crawling lights.
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void theaterChase(uint32_t c, uint8_t wait) {
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for (int j = 0; j < 10; j++) { //do 10 cycles of chasing
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for (int q = 0; q < 3; q++) {
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for (uint16_t i = 0; i < clock.numPixels(); i = i + 3) {
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clock.setPixelColor(i + q, c); //turn every third pixel on
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}
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clock.show();
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delay(wait);
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for (uint16_t i = 0; i < clock.numPixels(); i = i + 3) {
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clock.setPixelColor(i + q, 0); //turn every third pixel off
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}
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}
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}
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}
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//Theatre-style crawling lights with rainbow effect
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void theaterChaseRainbow(uint8_t wait) {
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for (int j = 0; j < 256; j++) { // cycle all 256 colors in the wheel
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for (int q = 0; q < 3; q++) {
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for (uint16_t i = 0; i < clock.numPixels(); i = i + 3) {
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clock.setPixelColor(i + q, Wheel( (i + j) % 255)); //turn every third pixel on
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}
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clock.show();
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delay(wait);
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for (uint16_t i = 0; i < clock.numPixels(); i = i + 3) {
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clock.setPixelColor(i + q, 0); //turn every third pixel off
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}
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}
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}
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}
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// Input a value 0 to 255 to get a color value.
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// The colours are a transition r - g - b - back to r.
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uint32_t Wheel(byte WheelPos) {
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WheelPos = 255 - WheelPos;
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if (WheelPos < 85) {
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return clock.Color(255 - WheelPos * 3, 0, WheelPos * 3);
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}
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if (WheelPos < 170) {
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WheelPos -= 85;
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return clock.Color(0, WheelPos * 3, 255 - WheelPos * 3);
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}
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WheelPos -= 170;
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return clock.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
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}
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