diff options
Diffstat (limited to 'nuttx/include/time.h')
-rw-r--r-- | nuttx/include/time.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/nuttx/include/time.h b/nuttx/include/time.h index 7a9731423..92b849fbe 100644 --- a/nuttx/include/time.h +++ b/nuttx/include/time.h @@ -51,9 +51,16 @@ * Definitions ********************************************************************************/ -/* Clock tick of the system */ +/* Clock tick of the system (frequency Hz). The default value is 100Hz, but this + * default setting can be overridden by defining the clock interval in + * milliseconds as CONFIG_MSEC_PER_TICK in the board configuration file. + */ -#define CLK_TCK 100 +#ifdef CONFIG_MSEC_PER_TICK +# define CLK_TCK (1000/CONFIG_MSEC_PER_TICK) +#else +# define CLK_TCK (100) +#endif /* This is the only clock_id supported by the "Clock and Timer * Functions." |