diff --git a/targets/TARGET_NUVOTON/TARGET_M480/lp_ticker.c b/targets/TARGET_NUVOTON/TARGET_M480/lp_ticker.c index 6e07e785fa1..033b9e5898a 100644 --- a/targets/TARGET_NUVOTON/TARGET_M480/lp_ticker.c +++ b/targets/TARGET_NUVOTON/TARGET_M480/lp_ticker.c @@ -103,8 +103,6 @@ void lp_ticker_init(void) // Schedule wakeup to match semantics of lp_ticker_get_compare_match() lp_ticker_set_interrupt(wakeup_tick); - - } timestamp_t lp_ticker_read() @@ -144,21 +142,13 @@ timestamp_t lp_ticker_read() void lp_ticker_set_interrupt(timestamp_t timestamp) { - uint32_t now = lp_ticker_read(); + uint32_t delta = timestamp - lp_ticker_read(); wakeup_tick = timestamp; TIMER_Stop((TIMER_T *) NU_MODBASE(timer3_modinit.modname)); - 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; - lp_ticker_arm_cd(); - } else { - // NOTE: With lp_ticker_fire_interrupt() introduced, upper layer would handle past event case. - // This code fragment gets redundant, but it is still kept here for backward-compatible. - void lp_ticker_fire_interrupt(void); - lp_ticker_fire_interrupt(); - } + cd_major_minor_clks = (uint64_t) delta * US_PER_TICK * TMR3_CLK_PER_SEC / US_PER_SEC; + lp_ticker_arm_cd(); } void lp_ticker_fire_interrupt(void) diff --git a/targets/TARGET_NUVOTON/TARGET_M480/us_ticker.c b/targets/TARGET_NUVOTON/TARGET_M480/us_ticker.c index 6665c3cfa46..cae36145014 100644 --- a/targets/TARGET_NUVOTON/TARGET_M480/us_ticker.c +++ b/targets/TARGET_NUVOTON/TARGET_M480/us_ticker.c @@ -147,16 +147,9 @@ void us_ticker_set_interrupt(timestamp_t timestamp) { TIMER_Stop((TIMER_T *) NU_MODBASE(timer1hires_modinit.modname)); - int delta = (int) (timestamp - us_ticker_read()); - if (delta > 0) { - cd_major_minor_us = delta * US_PER_TICK; - us_ticker_arm_cd(); - } else { - // NOTE: With us_ticker_fire_interrupt() introduced, upper layer would handle past event case. - // This code fragment gets redundant, but it is still kept here for backward-compatible. - void us_ticker_fire_interrupt(void); - us_ticker_fire_interrupt(); - } + uint32_t delta = timestamp - us_ticker_read(); + cd_major_minor_us = delta * US_PER_TICK; + us_ticker_arm_cd(); } void us_ticker_fire_interrupt(void)