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eleksir
2019-02-23 19:01:52 +03:00
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Copyright (c) Sergei Fedosoff, All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this list
of conditions and the following disclaimer. Redistributions in binary form must
reproduce the above copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided with the
distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.

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/*
* 7 Segment 4 Digits clock with digit point separator
*
* It uses display module with common anode and DS1307
* RTC module to enhance time keeping ability of
* Atmega 328p based Arduino nano microcontroller and
* 2 buttons for adjusting time.
*/
/* This software distributed under BSD 2 Clause License
Copyright (c) Sergei Fedosoff, All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this list
of conditions and the following disclaimer. Redistributions in binary form must
reproduce the above copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided with the
distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include <SevSeg.h>
#include <Wire.h>
#include <TimeLib.h>
// DS1307 lib by FrankieChu for Seeed RTC module
#include <DS1307.h>
DS1307 clock;
SevSeg Display;
bool dot = true;
float number;
unsigned long currentMillis;
unsigned long previousMillis = 0;
const long interval = 500;
const int hrs_btn = A0;
const int min_btn = A1;
void setup()
{
// setup display
byte hardwareConfig = COMMON_ANODE;
byte numDigits = 4;
byte digitPins[] = {9, 10, 11, 12};
byte segmentPins[] = {2, 3, 4, 5, 6, 7, 8, 13};
bool resistorsOnSegments = true; // 8 resistors, 330 Ohms each
bool updateWithDelays = false; // Default. Recommended
bool leadingZeros = false;
Display.begin(hardwareConfig, numDigits, digitPins, segmentPins,
resistorsOnSegments, updateWithDelays, leadingZeros);
Display.setBrightness(90);
// setup clock
clock.begin();
// if rtc returns incorrect time, reset it to some default value
clock.getTime();
if (( clock.hour > 23 ) || (clock.minute > 59))
{
clock.fillByYMD(2019,2,23); // 23 Feb 2013
clock.fillByHMS(15,52,30); // 15:52 30"
clock.fillDayOfWeek(SAT); // Saturday
clock.setTime(); // put date to rtc
}
// setup control buttons
pinMode(hrs_btn, INPUT_PULLUP);
pinMode(min_btn, INPUT_PULLUP);
}
void loop()
{
unsigned long currentMillis = millis();
uint8_t minutes;
uint8_t hours;
if (currentMillis - previousMillis >= interval)
{
previousMillis = currentMillis;
if (dot == false)
{
dot = true;
if (digitalRead(hrs_btn) == LOW)
{
clock.getTime();
hours = clock.hour + 1;
(hours > 23)? hours = 0: hours;
clock.fillByHMS(hours, clock.minute, 0);
clock.setTime();
}
if (digitalRead(min_btn) == LOW)
{
clock.getTime();
minutes = clock.minute + 1;
(minutes > 59)? minutes = 0: minutes;
clock.fillByHMS(clock.hour, minutes, 0);
clock.setTime();
}
}
else
{
dot = false;
}
}
clock.getTime();
// make blinking dot
if (dot == true) {
number = clock.hour * 100 + clock.minute;
number = number / 100;
Display.setNumber(number, 2);
} else {
number = clock.hour * 100 + clock.minute;
Display.setNumber(number);
}
Display.refreshDisplay();
}
/* vim: set filetype=cpp: */