ESP8266 Community Forum

- Sun Jul 12, 2015 11:08 am #23068

Code: Select all#include <time.h>

struct tm* ti;
time_t testTime = 123456789;

void setup() {
  Serial.begin( 115200 );
  ti = localtime( &testTime );
  Serial.print( ti->tm_mday );
}

void loop() {  }


This code compiles and works with the old 1.6.1 github download.
Compiling with arduino 1.6.5 and the current 1.6.4-637-g8cd3697 plugin
leads to:
undefined reference to 'localtime'
while linking.
What went wrong?

- Sun Jul 12, 2015 4:53 pm #23084 I notice changing the processor to ATMega328 and compiling gives a compiler error not finding "time.h"

Get you modules here:

https://www.banggood.com/custlink/KvGGhGF4wG

- Mon Jul 13, 2015 10:10 am #23146 tried it with AVR too.
It doesn't even find time.h then.
It was working with the old ESP-compiler. <time.h> exists in the current version. But linking gives the error-message.
Tried it without the localtime(), have more problems now. Code compiles but crashes with wdt-timeout...
Seems there are even more problems. I return to the old version for now.

- Mon Jul 13, 2015 5:15 pm #23184 Maybe push it to Igrr at ESP/Arduino ..issues and get him to have a look and maybe fix. The older versions have limitations too.

Get you modules here:

https://www.banggood.com/custlink/KvGGhGF4wG