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Added xx_ticker_fire_interrupt function for M2351 device

pull/7631/head
Deepika 2017-08-17 16:05:12 -05:00 committed by Cruz Monrreal II
parent 5876114f23
commit 0468bf2b6b
2 changed files with 26 additions and 35 deletions
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35
targets/TARGET_NUVOTON/TARGET_M2351/lp_ticker.c
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@ -145,32 +145,23 @@ timestamp_t lp_ticker_read()
void lp_ticker_set_interrupt(timestamp_t timestamp) void lp_ticker_set_interrupt(timestamp_t timestamp)
{ {
uint32_t now = lp_ticker_read(); uint32_t delta = timestamp - lp_ticker_read();
wakeup_tick = timestamp; wakeup_tick = timestamp;
TIMER_Stop((TIMER_T *) NU_MODBASE(timer3_modinit.modname)); TIMER_Stop((TIMER_T *) NU_MODBASE(timer3_modinit.modname));
/**
* NOTE: Scheduled alarm may go off incorrectly due to wrap around.
* Conditions in which delta is negative:
* 1. Wrap around
* 2. Newly scheduled alarm is behind now
*/
//int delta = (timestamp > now) ? (timestamp - now) : (uint32_t) ((uint64_t) timestamp + 0xFFFFFFFFu - now);
int delta = (int) (timestamp - now);
if (delta > 0) { cd_major_minor_clks = (uint64_t) delta * US_PER_TICK * TMR3_CLK_PER_SEC / US_PER_SEC;
cd_major_minor_clks = (uint64_t) delta * US_PER_TICK * TMR3_CLK_PER_SEC / US_PER_SEC; lp_ticker_arm_cd();
lp_ticker_arm_cd(); }
}
else { void lp_ticker_fire_interrupt(void)
cd_major_minor_clks = cd_minor_clks = 0; {
/** cd_major_minor_clks = cd_minor_clks = 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. * 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(timer3_modinit.irq_n); */
} NVIC_SetPendingIRQ(timer3_modinit.irq_n);
} }
void lp_ticker_disable_interrupt(void) void lp_ticker_disable_interrupt(void)

26
targets/TARGET_NUVOTON/TARGET_M2351/us_ticker.c
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@ -152,20 +152,20 @@ void us_ticker_clear_interrupt(void)
void us_ticker_set_interrupt(timestamp_t timestamp) void us_ticker_set_interrupt(timestamp_t timestamp)
{ {
TIMER_Stop((TIMER_T *) NU_MODBASE(timer1hires_modinit.modname)); TIMER_Stop((TIMER_T *) NU_MODBASE(timer1hires_modinit.modname));
int delta = (int) (timestamp - us_ticker_read());
if (delta > 0) { uint32_t delta = timestamp - us_ticker_read();
cd_major_minor_us = delta * US_PER_TICK; cd_major_minor_us = delta * US_PER_TICK;
us_ticker_arm_cd(); us_ticker_arm_cd();
} }
else {
cd_major_minor_us = cd_minor_us = 0; void us_ticker_fire_interrupt(void)
/** {
* This event was in the past. Set the interrupt as pending, but don't process it here. cd_major_minor_us = cd_minor_us = 0;
* This prevents a recurive loop under heavy load which can lead to a stack overflow. /**
*/ * This event was in the past. Set the interrupt as pending, but don't process it here.
NVIC_SetPendingIRQ(timer1hires_modinit.irq_n); * This prevents a recurive loop under heavy load which can lead to a stack overflow.
} */
NVIC_SetPendingIRQ(timer1hires_modinit.irq_n);
} }
static void tmr0_vec(void) static void tmr0_vec(void)