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eleksir
2019-04-20 11:52:00 +03:00
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commit f46a294535
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simpleclock.ino
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/* /*
* 7 Segment 4 Digits clock with digit point separator * 7 Segment 4 Digits clock with digit point separator
* *
* It uses display module with common anode and DS1307 * It uses display module with common anode and DS1307
* RTC module to enhance time keeping ability of * RTC module to enhance time keeping ability of
* Atmega 328p based Arduino nano microcontroller and * Atmega 328p based Arduino nano microcontroller and
* 2 buttons for adjusting time. * 2 buttons for adjusting time.
*/ */
/* This software distributed under BSD 2 Clause License /* This software distributed under BSD 2 Clause License
Copyright (c) Sergei Fedosoff, All rights reserved. Copyright (c) Sergei Fedosoff, All rights reserved.
Redistribution and use in source and binary forms, with or without modification, Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met: are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this list Redistributions of source code must retain the above copyright notice, this list
of conditions and the following disclaimer. Redistributions in binary form must of conditions and the following disclaimer. Redistributions in binary form must
reproduce the above copyright notice, this list of conditions and the following reproduce the above copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided with the disclaimer in the documentation and/or other materials provided with the
distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 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 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE. OF SUCH DAMAGE.
*/ */
#include <SevSeg.h> #include <SevSeg.h>
#include <Wire.h> #include <Wire.h>
#include <TimeLib.h> #include <TimeLib.h>
// DS1307 lib by FrankieChu for Seeed RTC module // DS1307 lib by FrankieChu for Seeed RTC module
#include <DS1307.h> #include <DS1307.h>
DS1307 clock; DS1307 clock;
SevSeg Display; SevSeg Display;
unsigned long currentMillis; unsigned long currentMillis;
unsigned long previousMillis = 0; unsigned long previousMillis = 0;
const long interval = 500; const long interval = 500;
const int hrs_btn = A0; const int hrs_btn = A0;
const int min_btn = A1; const int min_btn = A1;
bool dot = true; bool dot = true;
uint8_t minutes; uint8_t minutes;
uint8_t hours; uint8_t hours;
void setup() void setup()
{ {
// setup display // setup display
byte hardwareConfig = COMMON_ANODE; byte hardwareConfig = COMMON_ANODE;
byte numDigits = 4; byte numDigits = 4;
byte digitPins[] = {9, 10, 11, 12}; byte digitPins[] = {9, 10, 11, 12};
byte segmentPins[] = {2, 3, 4, 5, 6, 7, 8, 13}; byte segmentPins[] = {2, 3, 4, 5, 6, 7, 8, 13};
bool resistorsOnSegments = true; // 8 resistors, 330 Ohms each bool resistorsOnSegments = true; // 8 resistors, 330 Ohms each
bool updateWithDelays = false; // Default. Recommended bool updateWithDelays = false; // Default. Recommended
/* without it there is visual bug at 0 o'clock, and in current version of /* without it there is visual bug at 0 o'clock, and in current version of
* SevSeg' setChars() does not dots at all */ * SevSeg' setChars() does not dots at all */
bool leadingZeros = false; bool leadingZeros = false;
Display.begin(hardwareConfig, numDigits, digitPins, segmentPins, Display.begin(hardwareConfig, numDigits, digitPins, segmentPins,
resistorsOnSegments, updateWithDelays, leadingZeros); resistorsOnSegments, updateWithDelays, leadingZeros);
Display.setBrightness(90); Display.setBrightness(90);
// setup clock // setup clock
clock.begin(); clock.begin();
// if rtc returns incorrect time, reset it to some default value // if rtc returns incorrect time, reset it to some default value
clock.getTime(); clock.getTime();
if (( clock.hour > 23 ) || (clock.minute > 59)) if (( clock.hour > 23 ) || (clock.minute > 59))
{ {
clock.fillByYMD(2019,2,23); // 23 Feb 2013 clock.fillByYMD(2019,2,23); // 23 Feb 2013
clock.fillByHMS(15,52,30); // 15:52 30" clock.fillByHMS(15,52,30); // 15:52 30"
clock.fillDayOfWeek(SAT); // Saturday clock.fillDayOfWeek(SAT); // Saturday
clock.setTime(); // put date to rtc clock.setTime(); // put date to rtc
} }
// setup control buttons // setup control buttons
pinMode(hrs_btn, INPUT_PULLUP); pinMode(hrs_btn, INPUT_PULLUP);
pinMode(min_btn, INPUT_PULLUP); pinMode(min_btn, INPUT_PULLUP);
} }
void loop() void loop()
{ {
unsigned long currentMillis = millis(); unsigned long currentMillis = millis();
char str[4]; char str[4];
float d; float d;
if (currentMillis - previousMillis >= interval) if (currentMillis - previousMillis >= interval)
{ {
previousMillis = currentMillis; previousMillis = currentMillis;
if (dot == false) if (dot == false)
{ {
dot = true; dot = true;
if (digitalRead(hrs_btn) == LOW) if (digitalRead(hrs_btn) == LOW)
{ {
clock.getTime(); clock.getTime();
hours = clock.hour + 1; hours = clock.hour + 1;
(hours > 23)? hours = 0: hours; (hours > 23)? hours = 0: hours;
clock.fillByHMS(hours, clock.minute, 0); clock.fillByHMS(hours, clock.minute, 0);
clock.setTime(); clock.setTime();
} }
if (digitalRead(min_btn) == LOW) if (digitalRead(min_btn) == LOW)
{ {
clock.getTime(); clock.getTime();
minutes = clock.minute + 1; minutes = clock.minute + 1;
(minutes > 59)? minutes = 0: minutes; (minutes > 59)? minutes = 0: minutes;
clock.fillByHMS(clock.hour, minutes, 0); clock.fillByHMS(clock.hour, minutes, 0);
clock.setTime(); clock.setTime();
} }
} }
else else
{ {
dot = false; dot = false;
} }
} }
clock.getTime(); clock.getTime();
// make blinking dot // make blinking dot
if (clock.hour > 0) if (clock.hour > 0)
{ {
if (dot == true) if (dot == true)
{ {
Display.setNumber((clock.hour * 100 + clock.minute), 2); Display.setNumber((clock.hour * 100 + clock.minute), 2);
} }
else else
{ {
Display.setNumber((clock.hour * 100 + clock.minute)); Display.setNumber((clock.hour * 100 + clock.minute));
} }
} }
else else
{ {
/* 0 o'clock is an exception, we dont want to see "00.00", we want see /* 0 o'clock is an exception, we dont want to see "00.00", we want see
* "0.00" or "0 00", so we have to use this "hack" */ * "0.00" or "0 00", so we have to use this "hack" */
if (dot == true) if (dot == true)
{ {
d = float(clock.minute) / 100; d = float(clock.minute) / 100;
Display.setNumber(d, 2); Display.setNumber(d, 2);
} }
else else
{ {
sprintf(str, "%2d%02d", clock.hour, clock.minute); sprintf(str, "%2d%02d", clock.hour, clock.minute);
Display.setChars(str); Display.setChars(str);
} }
} }
Display.refreshDisplay(); Display.refreshDisplay();
} }
/* vim: set filetype=cpp: */ /* vim: set filetype=cpp: */