Hallo nochmal,
dieses Beispiel funktioniert:
// ############################################################################# // # // # Scriptname : DS1307_Test.pde // # Author : Peter Schmelzer, Oliver Kraus // # Date : 2011-04-08 // # Editor : Lauren from DFRobot // # Date : 30.12.2011 // # Description: // # Test file for the DS1307new library. Assumes that you have a DS1307 // # connected to the I2C-Bus of your Arduino and that it has a battery backup. // # Update the library and sketch to compatible with IDE V1.0 and earlier // # Version : 1.0 // ############################################################################# // ********************************************* // INCLUDE // ********************************************* #include <Wire.h> // For some strange reasons, Wire.h must be included here #include <DS1307new.h> // ********************************************* // DEFINE // ********************************************* // ********************************************* // VARIABLES // ********************************************* uint16_t startAddr = 0x0000; // Start address to store in the NV-RAM uint16_t lastAddr; // new address for storing in NV-RAM uint16_t TimeIsSet = 0xaa55; // Helper that time must not set again // ********************************************* // SETUP // ********************************************* void setup() { pinMode(2, INPUT); // Test of the SQW pin, D2 = INPUT digitalWrite(2, HIGH); // Test of the SQW pin, D2 = Pullup on Serial.begin(9600); /* PLEASE NOTICE: WE HAVE MADE AN ADDRESS SHIFT FOR THE NV-RAM!!! NV-RAM ADDRESS 0x08 HAS TO ADDRESSED WITH ADDRESS 0x00=0 TO AVOID OVERWRITING THE CLOCK REGISTERS IN CASE OF ERRORS IN YOUR CODE. SO THE LAST ADDRESS IS 0x38=56! */ RTC.setRAM(0, (uint8_t *)&startAddr, sizeof(uint16_t));// Store startAddr in NV-RAM address 0x08 /* Uncomment the next 2 lines if you want to SET the clock Comment them out if the clock is set. DON'T ASK ME WHY: YOU MUST UPLOAD THE CODE TWICE TO LET HIM WORK AFTER SETTING THE CLOCK ONCE. */ // TimeIsSet = 0xffff; // RTC.setRAM(54, (uint8_t *)&TimeIsSet, sizeof(uint16_t)); /* Control the clock. Clock will only be set if NV-RAM Address does not contain 0xaa. DS1307 should have a battery backup. */ RTC.getRAM(54, (uint8_t *)&TimeIsSet, sizeof(uint16_t)); if (TimeIsSet != 0xaa55) { RTC.stopClock(); RTC.fillByYMD(2011,4,8); RTC.fillByHMS(22,7,0); RTC.setTime(); TimeIsSet = 0xaa55; RTC.setRAM(54, (uint8_t *)&TimeIsSet, sizeof(uint16_t)); RTC.startClock(); } else { RTC.getTime(); } /* Control Register for SQW pin which can be used as an interrupt. */ RTC.ctrl = 0x00; // 0x00=disable SQW pin, 0x10=1Hz, // 0x11=4096Hz, 0x12=8192Hz, 0x13=32768Hz RTC.setCTRL(); Serial.println("DS1307 Testsketch"); Serial.println("Format is \"hh:mm:ss dd-mm-yyyy DDD\""); uint8_t MESZ; MESZ = RTC.isMEZSummerTime(); Serial.print("MEZ=0, MESZ=1 : "); Serial.println(MESZ, DEC); Serial.println(); } // ********************************************* // MAIN (LOOP) // ********************************************* void loop() { RTC.getTime(); if (RTC.hour < 10) // correct hour if necessary { Serial.print("0"); Serial.print(RTC.hour, DEC); } else { Serial.print(RTC.hour, DEC); } Serial.print(":"); if (RTC.minute < 10) // correct minute if necessary { Serial.print("0"); Serial.print(RTC.minute, DEC); } else { Serial.print(RTC.minute, DEC); } Serial.print(":"); if (RTC.second < 10) // correct second if necessary { Serial.print("0"); Serial.print(RTC.second, DEC); } else { Serial.print(RTC.second, DEC); } Serial.print(" "); if (RTC.day < 10) // correct date if necessary { Serial.print("0"); Serial.print(RTC.day, DEC); } else { Serial.print(RTC.day, DEC); } Serial.print("-"); if (RTC.month < 10) // correct month if necessary { Serial.print("0"); Serial.print(RTC.month, DEC); } else { Serial.print(RTC.month, DEC); } Serial.print("-"); Serial.print(RTC.year, DEC); // Year need not to be changed Serial.print(" "); switch (RTC.dow) // Friendly printout the weekday { case 1: Serial.print("MON"); break; case 2: Serial.print("TUE"); break; case 3: Serial.print("WED"); break; case 4: Serial.print("THU"); break; case 5: Serial.print("FRI"); break; case 6: Serial.print("SAT"); break; case 7: Serial.print("SUN"); break; } Serial.print(" seconds since 1.1.2000:"); Serial.print(RTC.time2000, DEC); uint8_t MESZ = RTC.isMEZSummerTime(); Serial.print(" MEZ=0, MESZ=1 : "); Serial.print(MESZ, DEC); Serial.print(" - Address in NV-RAM is: "); RTC.getRAM(0, (uint8_t *)&lastAddr, sizeof(uint16_t)); Serial.print(lastAddr, HEX); lastAddr = lastAddr + 1; // we want to use it as addresscounter for example RTC.setRAM(0, (uint8_t *)&lastAddr, sizeof(uint16_t)); RTC.getRAM(54, (uint8_t *)&TimeIsSet, sizeof(uint16_t)); if (TimeIsSet == 0xaa55) // check if the clock was set or not { Serial.println(" - Clock was set!"); } else { Serial.println(" - Clock was NOT set!"); } delay(1000); // wait a second }
und das Beispiel aus der Karlsen-Lib liefert xxxxxxxxx 85.85.2165 -- 27:85:85
// DS1307_Serial_Easy (C)2010 Henning Karlsen // web: http://www.henningkarlsen.com/electronics // // A quick demo of how to use my DS1307-library to // quickly send time and date information over a serial link // // I assume you know how to connect the DS1307. // DS1307: SDA pin -> Arduino Digital 4 // SCL pin -> Arduino Digital 5 #include <DS1307.h> // Init the DS1307 DS1307 rtc(4, 5); void setup() { // Set the clock to run-mode rtc.halt(false); // Setup Serial connection Serial.begin(9600); // The following lines can be commented out to use the values already stored in the DS1307 rtc.setDOW(SUNDAY); // Set Day-of-Week to SUNDAY rtc.setTime(12, 0, 0); // Set the time to 12:00:00 (24hr format) rtc.setDate(3, 10, 2010); // Set the date to October 3th, 2010 } void loop() { // Send Day-of-Week Serial.print(rtc.getDOWStr()); Serial.print(" "); // Send date Serial.print(rtc.getDateStr()); Serial.print(" -- "); // Send time Serial.println(rtc.getTimeStr()); // Wait one second before repeating :) delay (1000); }
