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106 lines
2.3 KiB
106 lines
2.3 KiB
#include <Arduino.h>
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#include <U8glib.h>
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#include <RtcDS3231.h>
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#include <Wire.h>
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#include <Adafruit_NeoPixel.h>
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#include <Servo.h>
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#define FONT_HEIGHT 12
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#define FONT_PADDING 2
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#define SERVO_PIN 9
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#define NEO_PIN 6
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#define NEO_LEDS 24
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#define SECOND_HAND 255, 0, 0
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#define MINUTE_HAND 0, 255, 0
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#define HOUR_HAND 0, 0, 255
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#define DECISECOND_HAND 255, 255, 255
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byte neoBright = 100;
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U8GLIB_SSD1306_128X64 oled(U8G_I2C_OPT_NONE);
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RtcDS3231<TwoWire> rtcModule(Wire);
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Servo servo;
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uint32_t leds[NEO_LEDS] = {0};
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Adafruit_NeoPixel ring = Adafruit_NeoPixel(NEO_LEDS, NEO_PIN, NEO_GRB);
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unsigned char hour, minute, second;
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uint64_t millisecond();
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float temp;
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unsigned short xoffset = 0;
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unsigned int getY(unsigned int row) {
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return (row * (FONT_HEIGHT + FONT_PADDING)) + FONT_PADDING;
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}
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long getLightLevel() {
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return analogRead(A0);
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}
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char *getLightPercent() {
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long lightlevel = getLightLevel();
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char str[4];
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char *percent = itoa(100 - ((lightlevel * 100) / 1024), (char *)&str, 10);
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char *percentStr = strcat(percent, "%");
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return percentStr;
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}
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void setup() {
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pinMode(A0, INPUT);
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servo.attach(SERVO_PIN, 500, 2500);
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ring.begin();
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ring.setBrightness(neoBright);
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ring.show();
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}
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void draw() {
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oled.setFont(u8g_font_helvB10);
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// Light percentile
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char *percentStr = getLightPercent();
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oled.drawStr(0, getY(1), percentStr);
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// Time
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RtcDateTime now = rtcModule.GetDateTime();
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hour = now.Hour();
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minute = now.Minute();
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second = now.Second();
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String timeStr = String(hour) + ":" + String(minute < 10 ? "0" : "") + String(minute) + ":" + String(second < 10 ? "0" : "") + String(second);
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oled.drawStr(0, getY(2), timeStr.c_str());
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// Temperature
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temp = rtcModule.GetTemperature().AsFloatDegC();
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String tempstr = String(temp) + " C";
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oled.drawStr(0, getY(3), tempstr.c_str());
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servo.write(map(temp, 18, 28, 0, 180));
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// Clear leds
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ring.clear();
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for(int i = 0; i < NEO_LEDS; i++)
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leds[i] = 0;
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// Map seconds, minutes and hours
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leds[map(second, 0, 60, 0, NEO_LEDS)] += ring.Color(SECOND_HAND);
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leds[map(minute, 0, 60, 0, NEO_LEDS)] += ring.Color(MINUTE_HAND);
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leds[map(hour, 0, 24, 0, NEO_LEDS)] += ring.Color(HOUR_HAND);
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for(int i = 0; i < NEO_LEDS; i++)
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ring.setPixelColor(i, leds[i]);
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ring.show();
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}
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void loop() {
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oled.firstPage();
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do {
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draw();
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} while (oled.nextPage());
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}
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