141 lines
3.4 KiB
C++
141 lines
3.4 KiB
C++
#pragma once
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#include <Adafruit_LEDBackpack.h> // Support for the Backpack FeatherWing
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#include <Adafruit_GFX.h> // Adafruit's graphics library
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#include <Adafruit_I2CDevice.h>
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#include <SPI.h>
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#include "ntp_time.h"
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#define DISPLAY_ADDRESS 0x70
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#define BRIGHTNESS_MIN 0
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#define BRIGHTNESS_MAX 15
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#define BRIGHTNESS_STEP 1
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#define BRIGHTNESS_NIGHT BRIGHTNESS_MIN
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#define BRIGHTNESS_DAY 11
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#define DISPLAY_TIME 2000
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#define DISPLAY_TEMP_TIME 5000
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namespace Display {
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void display();
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Task tDisplay(500, TASK_FOREVER, display, &ts, true);
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int currentHour = -1;
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int currentMin = -1;
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bool hourFormat24 = false;
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void (*hourFormatChangedCallback)(bool format24);
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void onHourFormatChanged(void (*f)(bool)) {
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hourFormatChangedCallback = f;
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}
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// Create display object
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Adafruit_7segment clockDisplay = Adafruit_7segment();
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namespace Brightness {
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uint8_t current = BRIGHTNESS_NIGHT;
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void (*brightnessChangedCallback)();
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void set(uint8_t value) {
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current = value % (BRIGHTNESS_MAX + 1);
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clockDisplay.setBrightness(current);
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brightnessChangedCallback();
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}
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void onChanged(void (*f)()) {
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brightnessChangedCallback = f;
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}
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void change(bool increase) {
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increase ? set(current + BRIGHTNESS_STEP) : set(current - BRIGHTNESS_STEP);
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}
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}
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void drawTime() {
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int displayHour = hourFormat24 ? hour() : hourFormat12();
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int displayMinute = minute();
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int displayValue = displayHour * 100 + displayMinute;
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// Print the time on the display
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clockDisplay.print(displayValue, DEC);
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// Add zero padding when in 24 hour mode and it's midnight.
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// In this case the print function above won't have leading 0's
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// which can look confusing. Go in and explicitly add these zeros.
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if (displayHour == 0) {
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clockDisplay.writeDigitNum(1, 0);
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if (displayMinute < 10) {
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clockDisplay.writeDigitNum(3, 0);
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}
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}
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}
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void drawColon(bool colonOn) {
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if (colonOn) {
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if (currentHour != hour()) {
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currentHour = hour();
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if (currentHour == 8) {
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Brightness::set(BRIGHTNESS_DAY);
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Wifi::reconnect();
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}
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if (currentHour == 17) {
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Brightness::set(BRIGHTNESS_NIGHT);
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}
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}
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if (currentMin != minute()) {
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currentMin = minute();
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drawTime();
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}
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}
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clockDisplay.drawColon(colonOn);
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}
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void display() {
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static bool colonOn = false;
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drawColon(colonOn);
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clockDisplay.writeDisplay();
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colonOn = !colonOn;
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}
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void displayTemp(float value) {
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tDisplay.disable();
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drawColon(false);
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clockDisplay.printFloat(value, 1);
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clockDisplay.writeDisplay();
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drawTime();
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tDisplay.enableDelayed(DISPLAY_TEMP_TIME);
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}
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void displayValue(uint8_t value) {
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tDisplay.disable();
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drawColon(false);
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clockDisplay.print(value, HEX);
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clockDisplay.writeDisplay();
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drawTime();
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tDisplay.enableDelayed(DISPLAY_TIME);
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}
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void displayText(const char c[]) {
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tDisplay.disable();
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drawColon(false);
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clockDisplay.println(c);
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clockDisplay.writeDisplay();
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drawTime();
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tDisplay.enableDelayed(DISPLAY_TIME);
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}
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void changeHourFormat24(bool format24) {
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hourFormat24 = format24;
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drawTime();
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hourFormatChangedCallback(format24);
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}
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void setup() {
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clockDisplay.begin(DISPLAY_ADDRESS);
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clockDisplay.setBrightness(Brightness::current);
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drawTime();
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display();
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}
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}
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