Diff: targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL82Z/us_ticker.c

Revision:

174:b96e65c34a4d

Parent:

154:37f96f9d4de2

Child:

177:d650f5d4c87a

--- a/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL82Z/us_ticker.c	Fri Sep 15 14:59:18 2017 +0100
+++ b/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL82Z/us_ticker.c	Mon Oct 02 15:33:19 2017 +0100
@@ -73,16 +73,7 @@
 
 void us_ticker_set_interrupt(timestamp_t timestamp)
 {
-    int delta = (int)(timestamp - us_ticker_read());
-    if (delta <= 0) {
-        // This event was in the past.
-        // Set the interrupt as pending, but don't process it here.
-        // This prevents a recurive loop under heavy load
-        // which can lead to a stack overflow.
-        NVIC_SetPendingIRQ(PIT0_IRQn);
-        return;
-    }
-
+    uint32_t delta = timestamp - us_ticker_read();
     PIT_StopTimer(PIT, kPIT_Chnl_3);
     PIT_StopTimer(PIT, kPIT_Chnl_2);
     PIT_SetTimerPeriod(PIT, kPIT_Chnl_3, (uint32_t)delta);
@@ -90,3 +81,9 @@
     PIT_StartTimer(PIT, kPIT_Chnl_3);
     PIT_StartTimer(PIT, kPIT_Chnl_2);
 }
+
+void us_ticker_fire_interrupt(void)
+{
+    NVIC_SetPendingIRQ(PIT0_IRQn);
+}
+