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util: Utilize BPMP sleep when usleep is out of bounds

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CTCaer 2019-09-12 23:12:17 +03:00
parent 23e246f224
commit 252a57ef6a
2 changed files with 14 additions and 6 deletions
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10
bootloader/utils/util.c
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@ -61,9 +61,13 @@ void usleep(u32 us)
{
#ifdef USE_RTC_TIMER
u32 start = TMR(TIMERUS_CNTR_1US);
// Casting to u32 is important!
while ((u32)(TMR(TIMERUS_CNTR_1US) - start) <= us)
;
// Check if timer is at upper limits and use BPMP sleep so it doesn't wake up immediately.
if ((start + us) < start)
bpmp_usleep(us);
else
while ((u32)(TMR(TIMERUS_CNTR_1US) - start) <= us) // Casting to u32 is important!
;
#else
bpmp_usleep(us);
#endif

10
nyx/nyx_gui/utils/util.c
View file

@ -60,9 +60,13 @@ void usleep(u32 us)
{
#ifdef USE_RTC_TIMER
u32 start = TMR(TIMERUS_CNTR_1US);
// Casting to u32 is important!
while ((u32)(TMR(TIMERUS_CNTR_1US) - start) <= us)
;
// Check if timer is at upper limits and use BPMP sleep so it doesn't wake up immediately.
if ((start + us) < start)
bpmp_usleep(us);
else
while ((u32)(TMR(TIMERUS_CNTR_1US) - start) <= us) // Casting to u32 is important!
;
#else
bpmp_usleep(us);
#endif