Final Version

LED_Matrix.ino

@@ -0,0 +1,175 @@
+// Header file includes
+#include <MD_Parola.h>
+#include <MD_MAX72xx.h>
+#include <Wire.h>
+
+#define HARDWARE_TYPE MD_MAX72XX::FC16_HW     // For Actual Hardware
+//#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW // For Wokwi simulator
+
+/*RTC Pins Slot:
+SCL A5
+SDA A4*/
+
+#define MAX_DEVICES 16  // Define the number of displays connected
+#define CLK_PIN 13      // CLK or SCK8
+#define DATA_PIN 11     // DATA or MOSI
+#define CS_PIN 10       // CS or SS
+#define SPEED_TIME 100  // Speed of the transition
+#define PAUSE_TIME 0    // Pause Time
+
+// These are for the clock
+#define DS1307_ADDRESS 0x68
+
+// Global variables
+uint8_t wday, mday, month, year;
+uint8_t hours, minutes, seconds;
+uint8_t ampm;
+
+char szTime[10];  // mm:ss AM\0
+char szMesg[40 + 1] = "Welcome to Computer Department";
+
+uint8_t clear = 0x00;
+
+// Hardware SPI connection
+MD_Parola P = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);
+
+void beginDS1307() {
+  // Read the values ​​(date and time) of the DS1307 module
+
+  Wire.beginTransmission(DS1307_ADDRESS);
+  Wire.write(clear);
+  Wire.endTransmission();
+  Wire.requestFrom(DS1307_ADDRESS, 0x07);
+
+  seconds = bcdToDec(Wire.read());
+  minutes = bcdToDec(Wire.read());
+  hours = bcdToDec(Wire.read() & 0xff);
+  wday = bcdToDec(Wire.read());
+  mday = bcdToDec(Wire.read());
+  month = bcdToDec(Wire.read());
+  year = bcdToDec(Wire.read());
+  ampm = 0;
+
+  if(hours > 12)
+  {
+    hours -= 12;
+    ampm = 1;
+  }
+  else if(hours==12)
+  {
+    ampm=1;
+  }
+  else if(hours==0)
+  {
+    hours = 12;
+  }
+}
+
+uint8_t bcdToDec(uint8_t value) {
+  return ((value / 16 * 10) + (value % 16));
+}
+
+// Code for reading clock time
+void getTime(char *psz, bool f = true) {
+  sprintf(psz, "%02d%c%02d %c%c", hours, (f ? ':' : ' '), minutes,(ampm==1 ? 'P' : 'A'),'M');
+}
+
+// Code for reading clock date
+void getDate(char *psz) {
+  char szBuf[10];
+  sprintf(psz, "%d %s %04d", mday, mon2str(month, szBuf, sizeof(szBuf) - 1), (year + 2000));
+}
+
+// Get a label from PROGMEM into a char array
+char *mon2str(uint8_t mon, char *psz, uint8_t len) {
+  static const __FlashStringHelper *str[] = {
+    F("Jan"), F("Feb"), F("Mar"), F("Apr"),
+    F("May"), F("Jun"), F("Jul"), F("Aug"),
+    F("Sep"), F("Oct"), F("Nov"), F("Dec")
+  };
+
+  strncpy_P(psz, (const char PROGMEM *)str[mon - 1], len);
+  psz[len] = '\0';
+
+  return (psz);
+}
+
+char *dow2str(uint8_t code, char *psz, uint8_t len) {
+  static const __FlashStringHelper *str[] = {
+    F("Sunday"), F("Monday"), F("Tuesday"),
+    F("Wednesday"), F("Thursday"), F("Friday"),
+    F("Saturday")
+  };
+
+  strncpy_P(psz, (const char PROGMEM *)str[code - 1], len);
+
+  psz[len] = '\0';
+
+  return (psz);
+}
+
+void setup(void) {
+  Wire.begin();
+
+  P.begin(2);
+  P.setInvert(false);
+  P.setIntensity(1);
+  P.displayClear();
+
+  P.setZone(0, 0, 7);
+  P.setZone(1, 8, 15);
+  P.displayZoneText(1, szTime, PA_CENTER, SPEED_TIME, PAUSE_TIME, PA_SCROLL_LEFT, PA_SCROLL_LEFT);
+  P.displayZoneText(0, szMesg, PA_CENTER, SPEED_TIME, PAUSE_TIME, PA_SCROLL_LEFT, PA_SCROLL_LEFT);
+}
+
+void loop(void) 
+{
+  static uint32_t lastTime = 0;  // Memory (ms)
+  static uint8_t display = 1;    // Current display mode
+  static bool flasher = false;   // Seconds passing flasher
+
+  beginDS1307();
+
+  P.displayAnimate();
+
+  if (P.getZoneStatus(1)) {
+    switch (display) {
+      case 1:  // Clock
+        P.setTextEffect(1, PA_PRINT, PA_NO_EFFECT);
+        //P.setTextEffect(1, PA_SCROLL_LEFT, PA_SCROLL_LEFT);
+
+
+        if ((millis() - lastTime) >= 1000) {
+          lastTime = millis();
+          getTime(szTime, flasher);
+          flasher = !flasher;
+        }
+
+        if ((seconds == 00) && (seconds <= 30)) {
+          display++;
+          P.setTextEffect(1, PA_PRINT, PA_WIPE_CURSOR);
+        }
+
+        break;
+      /*case 2:  // Day of week
+        P.setFont(0, nullptr);
+        P.setTextEffect(0, PA_SCROLL_LEFT, PA_SCROLL_LEFT);
+        display++;
+        dow2str(wday, szMesg, MAX_MESG);
+
+        break;*/
+      default:  // Calendar
+        P.setTextEffect(1, PA_SCROLL_LEFT, PA_SCROLL_LEFT);
+        display = 1;
+        getDate(szTime);
+
+        break;
+    }
+
+    if (P.getZoneStatus(0)) {
+    P.displayReset(0);  // Rest zone zero
+  }
+
+    P.displayReset(1);  // Rest zone one
+  }
+}