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[efr32] implement otPlatTime* APIs (#3212)

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This commit is contained in:
Joseph Newman
2018-10-30 12:22:06 -07:00
committed by Jonathan Hui
parent cebfdbbeb3
commit e99ce0cf1f
1 changed files with 17 additions and 4 deletions
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examples/platforms/efr32/alarm.c
+17 -4
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@@ -44,6 +44,9 @@
#include "em_core.h"
#include "rail.h"
#define XTAL_ACCURACY 200
#define US_IN_MS 1000
static uint32_t sTimerHi = 0;
static uint32_t sTimerLo = 0;
static uint32_t sAlarmT0 = 0;
@@ -54,10 +57,10 @@ void efr32AlarmInit(void)
{
}
uint32_t otPlatAlarmMilliGetNow(void)
uint64_t otPlatTimeGet(void)
{
uint32_t timer_lo;
uint32_t timer_ms;
uint64_t timer_us;
CORE_DECLARE_IRQ_STATE;
CORE_ENTER_CRITICAL();
@@ -71,11 +74,21 @@ uint32_t otPlatAlarmMilliGetNow(void)
sTimerLo = timer_lo;
timer_ms = (((uint64_t)sTimerHi << 32) | sTimerLo) / 1000;
timer_us = (((uint64_t)sTimerHi << 32) | sTimerLo);
CORE_EXIT_CRITICAL();
return timer_ms;
return timer_us;
}
uint32_t otPlatAlarmMilliGetNow(void)
{
return otPlatTimeGet() / US_IN_MS;
}
uint32_t otPlatTimeGetXtalAccuracy(void)
{
return XTAL_ACCURACY;
}
void otPlatAlarmMilliStartAt(otInstance *aInstance, uint32_t t0, uint32_t dt)