mbed library sources. Supersedes mbed-src.
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Diff: targets/TARGET_NUVOTON/TARGET_NUC472/us_ticker.c
- Revision:
- 174:b96e65c34a4d
- Parent:
- 160:d5399cc887bb
--- a/targets/TARGET_NUVOTON/TARGET_NUC472/us_ticker.c Fri Sep 15 14:59:18 2017 +0100 +++ b/targets/TARGET_NUVOTON/TARGET_NUC472/us_ticker.c Mon Oct 02 15:33:19 2017 +0100 @@ -149,19 +149,15 @@ { 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 { - cd_major_minor_us = cd_minor_us = 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(timer1hires_modinit.irq_n); - } + 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) +{ + cd_major_minor_us = cd_minor_us = 0; + NVIC_SetPendingIRQ(timer1hires_modinit.irq_n); } static void tmr0_vec(void)