Onnowpurbo: /* Code */

2018-06-07T02:07:15Z

Code

Onnowpurbo: Created page with "Sumber: http://playground.arduino.cc/Code/time ==Siapkan Library== Download dari * http://playground.arduino.cc/uploads/Code/Time.zip Extrak cd /usr/share/arduino/libra..."

2018-06-07T01:46:17Z

Created page with "Sumber: http://playground.arduino.cc/Code/time ==Siapkan Library== Download dari * http://playground.arduino.cc/uploads/Code/Time.zip Extrak cd /usr/share/arduino/libra..."

New page

Sumber: http://playground.arduino.cc/Code/time

==Siapkan Library==

Download dari

* http://playground.arduino.cc/uploads/Code/Time.zip

Extrak

cd /usr/share/arduino/libraries/

atau

cd ~/Arduino/libraries

wget http://playground.arduino.cc/uploads/Code/Time.zip
unzip Time.zip
cd Time
gedit DateStrings.cpp

Tambahkan di

char > char const
PGM_P > PGM_P const

==Code==

#include <Time.h>

#define TIME_MSG_LEN 11 // time sync to PC is HEADER followed by Unix time_t as ten ASCII digits
#define TIME_HEADER 'T' // Header tag for serial time sync message
#define TIME_REQUEST 7 // ASCII bell character requests a time sync message

// T1262347200 //noon Jan 1 2010

void setup() {
Serial.begin(9600);
}

void loop(){
if(Serial.available() )
{
processSyncMessage();
}
if(timeStatus() == timeNotSet)
Serial.println("waiting for sync message");
else
digitalClockDisplay();
delay(1000);
}

void digitalClockDisplay(){
// digital clock display of the time
Serial.print(hour());
printDigits(minute());
printDigits(second());
Serial.print(" ");
Serial.print(day());
Serial.print(" ");
Serial.print(month());
Serial.print(" ");
Serial.print(year());
Serial.println();
}

void printDigits(int digits){
// utility function for digital clock display: prints preceding colon and leading 0
Serial.print(":");
if(digits < 10)
Serial.print('0');
Serial.print(digits);
}

void processSyncMessage() {
// if time sync available from serial port, update time and return true
while(Serial.available() >= TIME_MSG_LEN ){ // time message consists of header & 10 ASCII digits
char c = Serial.read() ;
Serial.print(c);
if( c == TIME_HEADER ) {
time_t pctime = 0;
for(int i=0; i < TIME_MSG_LEN -1; i++){
c = Serial.read();
if( c >= '0' && c <= '9'){
pctime = (10 * pctime) + (c - '0') ; // convert digits to a number
}
}
setTime(pctime); // Sync Arduino clock to the time received on the serial port
}
}
}

==PC Sync==

Lakukan

date +T%s\n > /dev/ttyACM0

Untuk mensinkronisasi waktu

==Referensi==

* http://playground.arduino.cc/Code/time

@@ Line 28: / Line 28: @@
 ==Code==
   #include <Time.h>
@@ Line 34: / Line 35: @@
   #define TIME_REQUEST  7    // ASCII bell character requests a time sync message
-  // T1262347200  //noon Jan 1 2010
+ #define DS3231_I2C_ADDRESS 0x68
+  // Convert normal decimal numbers to binary coded decimal
-  void setup()  {
+ byte decToBcd(byte val)
     Serial.begin(9600);
+  }
@@ Line 48: / Line 152: @@
       Serial.println("waiting for sync message");
     else
-       digitalClockDisplay();
+      // digitalClockDisplay();
     delay(1000);
+  }
-−
   void digitalClockDisplay(){
     // digital clock display of the time
@@ Line 88: / Line 194: @@
+        }
         setTime(pctime);   // Sync Arduino clock to the time received on the serial port
+      }
+    }

Arduino: RTC DS3231 PC Sync - Revision history

Onnowpurbo: /* Code */

Onnowpurbo: Created page with "Sumber: http://playground.arduino.cc/Code/time ==Siapkan Library== Download dari * http://playground.arduino.cc/uploads/Code/Time.zip Extrak cd /usr/share/arduino/libra..."