#include #include #include #include #define showTimeDelay 10000 #define showDateDelay 3000 #define showTempDelay 3000 char fullDateFormat[] = "DD.MM.YYYY hh:mm:ss"; char dateFormat[] = "DDMM"; char timeFormat[] = "hhmm"; LedControl lc = LedControl(8, 10, 9, 1); // DIN, CLK, CS, num | layout: fc16 LiquidCrystal_I2C lcd(0x3F, 16, 2); // custom I2C address RTC_DS3231 rtc; // in real project using DS3231 instead of DS1307 DateTime rtcNow; uint32_t curMillis = 0; uint32_t lastViewStateChange = 0; uint32_t lastSetStateChange = 0; uint8_t viewState = 0; uint8_t matrix[8] = { 60, 66, 165, 129, 165, 153, 66, 60 }; // ☺ struct Symbol { char letter; uint8_t glyph[3]; }; const Symbol symbolMaps[] = { { '+', { 4, 14, 4 } }, { '-', { 4, 4, 4 } }, { 'C', { 31, 17, 17 } }, { '0', { 31, 17, 31 } }, { '1', { 0, 0, 31 } }, { '2', { 23, 21, 29 } }, { '3', { 17, 21, 31 } }, { '4', { 28, 4, 31 } }, { '5', { 29, 21, 23 } }, { '6', { 31, 21, 23 } }, { '7', { 16, 16, 31 } }, { '8', { 31, 21, 31 } }, { '9', { 29, 21, 31 } }, }; void printMatrix() { for (uint8_t i = 0; i < 8; i++) { lc.setRow(0, i, matrix[i]); } } void printDataToLcd(const char c[6]) { lcd.setCursor(5, 1); lcd.print('['); lcd.print(c); lcd.print(']'); } void setSymbol(const char c, const uint8_t p) { const uint8_t dg[3] = { 0, 0, 0 }; // default glyph is 000 const uint8_t *g = dg; uint8_t rowMask; for (const auto &s : symbolMaps) { if (s.letter == c) { g = s.glyph; break; } } for (uint8_t col = 0; col < 3; col++) { const uint8_t gBits = g[col]; const uint8_t gMask = gBits << (3 - col); switch (p) { case 0: // вертикальное заполнение от 0x0 rowMask = 1 << (7 - col); for (uint8_t row = 0; row < 5; row++) { matrix[row] &= ~rowMask; matrix[row] |= rowMask & (gMask << row); } break; case 1: // горизонтальное заполнение от 4x0 matrix[2 - col] &= 0b11100000; matrix[2 - col] |= gBits; break; case 2: // вертикальное заполнение от 5x4 rowMask = 1 << (2 - col); for (uint8_t row = 3; row < 8; row++) { matrix[row] &= ~rowMask; matrix[row] |= rowMask & (gMask >> (8 - row)); } break; case 3: // горизонтальное заполнение от 0x5 matrix[7 - col] &= 0b00000111; matrix[7 - col] |= gBits << 3; break; } } } void setMatrix(char c[6]) { setSymbol(c[0], 0); setSymbol(c[1], 1); setSymbol(c[3], 2); setSymbol(c[4], 3); if (c[2] == '.') { matrix[3] |= (1 << 4); // Устанавливаем бит } else { matrix[3] &= ~(1 << 4); // Сбрасываем бит } } void printDataToMatrix(char c[6]) { setMatrix(c); printMatrix(); } void showData(const char i[5], bool d) { char o[6]; snprintf(o, 6, "%c%c%c%c%c", i[0], i[1], d ? '.' : ' ', i[2], i[3]); printDataToLcd(o); printDataToMatrix(o); } void showTime() { rtcNow = rtc.now(); showData(rtcNow.toString(timeFormat), rtcNow.second() % 2 == 0); } void showDate() { rtcNow = rtc.now(); showData(rtcNow.toString(dateFormat), true); } void showWeather() { float fTemp = rtc.getTemperature(); uint8_t iTemp = round(abs(fTemp)); char sTemp[5]; if (iTemp == 0) { snprintf(sTemp, 5, " 0C"); } else if (iTemp < 10) { snprintf(sTemp, 5, " %c%d%c", fTemp < 0 ? '-' : '+', iTemp, 'C'); } else { snprintf(sTemp, 5, " %c%02d", fTemp < 0 ? '-' : '+', iTemp); } showData(sTemp, false); } void updateClockView() { switch (viewState % 3) { case 0: showTime(); if (lastViewStateChange + showTimeDelay < curMillis) { viewState++; lastViewStateChange = curMillis; showDate(); } break; case 1: if (lastViewStateChange + showDateDelay < curMillis) { viewState++; lastViewStateChange = curMillis; showWeather(); } break; case 2: if (lastViewStateChange + showTempDelay < curMillis) { viewState++; lastViewStateChange = curMillis; showTime(); } break; } } void setup() { lcd.begin(16, 2); rtc.begin(); rtcNow = rtc.now(); lcd.backlight(); lcd.setCursor(0, 0); lcd.print(rtcNow.toString(fullDateFormat)); lc.shutdown(0, false); lc.setIntensity(0, 10); lc.clearDisplay(0); printMatrix(); } void loop() { curMillis = millis(); updateClockView(); delay(100); }