Hi,
I'm using the arduino online editor and I'm trying to use a DS1307 rtc with my mega. When I upload the library RTCLIB with the example ds1307, i have this error : DateTime future (now + TimeSpan(7,12,30,6));
^
exit status 1
Here's the code:
Thanks.
Please read and follow the directions in the "How to use this forum" post. Post the code properly, using code tags, and a wiring diagram (not Fritzing).
Ok so here's the complete error : ./opt/arduino-builder/arduino-builder -compile -core-api-version 10611 -build-path /tmp/043759126/build -hardware opt/arduino-builder/hardware -hardware ./opt/cores -tools opt/arduino-builder/tools -tools ./opt/tools -built-in-libraries opt/libraries/latest -libraries /tmp/043759126/pinned -libraries /tmp/043759126/custom -fqbn arduino:avr:mega:cpu=atmega2560 -build-cache /tmp -logger humantags -verbose=false /tmp/043759126/ds1307
Multiple libraries were found for "RTClib.h"
Used: /home/ubuntu/opt/libraries/latest/rtclib_by_neiron_1_5_4
Not used: /home/ubuntu/opt/libraries/latest/rtclib_1_2_0
/tmp/043759126/ds1307/ds1307.ino:10:1: error: 'RTC_DS1307' does not name a type
RTC_DS1307 rtc;
^
/tmp/043759126/ds1307/ds1307.ino: In function 'void setup()':
/tmp/043759126/ds1307/ds1307.ino:21:9: error: 'rtc' was not declared in this scope
if (! rtc.begin()) {
^
/tmp/043759126/ds1307/ds1307.ino:26:9: error: 'rtc' was not declared in this scope
if (! rtc.isrunning()) {
^
/tmp/043759126/ds1307/ds1307.ino: In function 'void loop()':
/tmp/043759126/ds1307/ds1307.ino:37:20: error: 'rtc' was not declared in this scope
DateTime now = rtc.now();
^
/tmp/043759126/ds1307/ds1307.ino:45:36: error: 'class DateTime' has no member named 'dayOfTheWeek'
Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);
^
/tmp/043759126/ds1307/ds1307.ino:61:46: error: 'TimeSpan' was not declared in this scope
DateTime future (now + TimeSpan(7,12,30,6));
^
exit status 1
and here's the code :
// Date and time functions using a DS1307 RTC connected via I2C and Wire lib
#include <Wire.h>
#include "RTClib.h"
#if defined(ARDUINO_ARCH_SAMD)
// for Zero, output on USB Serial console, remove line below if using programming port to program the Zero!
#define Serial SerialUSB
#endif
RTC_DS1307 rtc;
char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
void setup () {
#ifndef ESP8266
while (!Serial); // for Leonardo/Micro/Zero
#endif
Serial.begin(57600);
if (! rtc.begin()) {
Serial.println("Couldn't find RTC");
while (1);
}
if (! rtc.isrunning()) {
Serial.println("RTC is NOT running!");
// following line sets the RTC to the date & time this sketch was compiled
rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
// This line sets the RTC with an explicit date & time, for example to set
// January 21, 2014 at 3am you would call:
// rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
}
}
void loop () {
DateTime now = rtc.now();
Serial.print(now.year(), DEC);
Serial.print('/');
Serial.print(now.month(), DEC);
Serial.print('/');
Serial.print(now.day(), DEC);
Serial.print(" (");
Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);
Serial.print(") ");
Serial.print(now.hour(), DEC);
Serial.print(':');
Serial.print(now.minute(), DEC);
Serial.print(':');
Serial.print(now.second(), DEC);
Serial.println();
Serial.print(" since midnight 1/1/1970 = ");
Serial.print(now.unixtime());
Serial.print("s = ");
Serial.print(now.unixtime() / 86400L);
Serial.println("d");
// calculate a date which is 7 days and 30 seconds into the future
DateTime future (now + TimeSpan(7,12,30,6));
Serial.print(" now + 7d + 30s: ");
Serial.print(future.year(), DEC);
Serial.print('/');
Serial.print(future.month(), DEC);
Serial.print('/');
Serial.print(future.day(), DEC);
Serial.print(' ');
Serial.print(future.hour(), DEC);
Serial.print(':');
Serial.print(future.minute(), DEC);
Serial.print(':');
Serial.print(future.second(), DEC);
Serial.println();
Serial.println();
delay(3000);
}
here's the wiring :
5V - VCC
GND - GND
SCL-A4
SDA-A5
Thanks
Multiple libraries were found for "RTClib.h"
That is a very suggestive error message, worth looking into.
You might try to ensure that the correct one is available and actually used.
What about this : : 'RTC_DS1307' does not name a type
RTC_DS1307 rtc
I don't understand what I did wrong but now it is working ! Thanks all for your help.
#include <RTClib.h>
RTC_DS1307 rtc;
... you are using the library
#include "RTClib.h"
RTC_DS1307 rtc;
... you are using the file "RTClib.h" in the actual sketch folder. Oh, there is None? exit status 1 !