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Software for White Rabbit PTP Core
Commit 9f94bb86 authored by Alessandro Rubini's avatar Alessandro Rubini
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timer: define time_before() etc 

Signed-off-by: Alessandro Rubini's avatarAlessandro Rubini <rubini@gnudd.com>
parent ab36ee07
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include/syscon.h
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......@@ -8,6 +8,16 @@
uint32_t timer_get_tics(void);
void timer_delay(uint32_t tics);
/* The following ones come from the kernel, but simplified */
#ifndef time_after
#define time_after(a,b) \
((long)(b) - (long)(a) < 0)
#define time_before(a,b) time_after(b,a)
#define time_after_eq(a,b) \
((long)(a) - (long)(b) >= 0)
#define time_before_eq(a,b) time_after_eq(b,a)
#endif
/* This can be used for up to 2^32 / TICS_PER_SECONDS == 42 seconds in wrs */
static inline void timer_delay_ms(int ms)
{
......
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