diff options
| -rw-r--r-- | common/timer.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/common/timer.c b/common/timer.c index d0d3c80024..22cff4a325 100644 --- a/common/timer.c +++ b/common/timer.c @@ -23,6 +23,14 @@ extern __error("k_usleep() should only be called from Zephyr code") int32_t k_usleep(int32_t); #endif /* CONFIG_ZEPHYR */ +#ifdef CONFIG_COMMON_RUNTIME +#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ## args) +#define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ## args) +#else +#define CPRINTS(format, args...) +#define CPRINTF(format, args...) +#endif + #define TIMER_SYSJUMP_TAG 0x4d54 /* "TM" */ /* High 32-bits of the 64-bit timestamp counter. */ @@ -181,6 +189,13 @@ void usleep(unsigned us) return; } + /* If in interrupt context or interrupts are disabled, use udelay() */ + if (!is_interrupt_enabled() || in_interrupt_context()) { + CPRINTS("Sleeping not allowed"); + udelay(us); + return; + } + ASSERT(us); do { evt |= task_wait_event(us); |