mirror of https://github.com/sqfmi/Watchy.git
63 lines
2.4 KiB
C++
63 lines
2.4 KiB
C++
#include "Watchy_MacPaint.h"
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const unsigned char *numbers [10] = {numbers0, numbers1, numbers2, numbers3, numbers4, numbers5, numbers6, numbers7, numbers8, numbers9};
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WatchyMacPaint::WatchyMacPaint(){} //constructor
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void WatchyMacPaint::drawWatchFace(){
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display.fillScreen(GxEPD_WHITE);
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display.drawBitmap(0, 0, window, DISPLAY_WIDTH, DISPLAY_HEIGHT, GxEPD_BLACK);
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//Hour
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display.drawBitmap(35, 70, numbers[currentTime.Hour/10], 38, 50, GxEPD_BLACK); //first digit
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display.drawBitmap(70, 70, numbers[currentTime.Hour%10], 38, 50, GxEPD_BLACK); //second digit
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//Colon
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display.drawBitmap(100, 80, colon, 11, 31, GxEPD_BLACK); //second digit
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//Minute
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display.drawBitmap(115, 70, numbers[currentTime.Minute/10], 38, 50, GxEPD_BLACK); //first digit
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display.drawBitmap(153, 70, numbers[currentTime.Minute%10], 38, 50, GxEPD_BLACK); //second digit
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syncNtpTime();
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}
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void Watchy7SEG::syncNtpTime(){
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const char* ntpServer = "pool.ntp.org";
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const long gmtOffset_sec = -21600; // set time zone to central standard time
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// ie UTC -6 * 60 * 60 = -21600
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const int daylightOffset_sec = 3600;// if observing Daylight saving time 3600 otherwise 0
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struct tm timeinfo;
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// Watchy updates every minute but we really only need to sync a few times a day
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if(currentTime.Hour % 8 == 0 && currentTime.Minute == 0){
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//only run this at midnight,8am and 4pm
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// three times a day to correct time drift.
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//make sure WiFi is connected
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if(Watchy::connectWiFi()){
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// wifi connected so proceed to get NTP time
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//get NTP Time
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configTime(gmtOffset_sec, daylightOffset_sec, ntpServer);
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getLocalTime(&timeinfo);
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// convert NTP time into proper format
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tmElements_t tm;
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tm.Month = timeinfo.tm_mon + 1;// 0-11 based month so we have to add 1
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tm.Day = timeinfo.tm_mday;
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tm.Year = timeinfo.tm_year + 1900 - YEAR_OFFSET;//offset from 1970, since year is stored in uint8_t
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tm.Hour = timeinfo.tm_hour;
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tm.Minute = timeinfo.tm_min;
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tm.Second = timeinfo.tm_sec;
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time_t t = makeTime(tm);
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//set the RTC time to the NTP time
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RTC.set(t);
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// shut down the radio to save power
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WiFi.mode(WIFI_OFF);
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btStop();
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}
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}
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} |