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Merge pull request #4526 from mysterywolf/time1 

[libc][time] add LOG_W to give a warning when RTC device is not used
This commit is contained in:
Bernard Xiong 2021-03-27 14:22:10 +08:00 committed by GitHub
parent 459a70bf0d 0ec2a5f782
commit ec6d707539
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 1 deletions
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5
components/libc/compilers/common/time.c
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@ -21,6 +21,7 @@
#include <sys/time.h> #include <sys/time.h>
#include <rtthread.h> #include <rtthread.h>
#include <rtdbg.h>
#ifdef RT_USING_DEVICE #ifdef RT_USING_DEVICE
#include <rtdevice.h> #include <rtdevice.h>
#endif #endif
@ -219,6 +220,7 @@ RT_WEAK time_t time(time_t *t)
if(time_now == (time_t)-1) if(time_now == (time_t)-1)
{ {
LOG_W("Cannot find a RTC device to provide time!");
errno = ENOSYS; errno = ENOSYS;
} }
@ -246,12 +248,13 @@ int stime(const time_t *t)
} }
else else
{ {
LOG_W("Cannot find a RTC device to provide time!");
errno = ENOSYS; errno = ENOSYS;
return -1; return -1;
} }
return 0; return 0;
#else #else
LOG_W("Cannot find a RTC device to provide time!");
errno = ENOSYS; errno = ENOSYS;
return -1; return -1;
#endif /* RT_USING_RTC */ #endif /* RT_USING_RTC */