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drivers: counter: mcux_rtc: allow setting a new alarm from the callback

Allow setting a new alarm from the callback context of the just
expired alarm.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
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henrikbrixandersen authored and nashif committed May 21, 2019
1 parent 28f2dc6 commit fad34eb03465d7624436ff0edf8e00757c3e2b1a
Showing with 5 additions and 1 deletion.
  1. +5 −1 drivers/counter/counter_mcux_rtc.c
@@ -181,13 +181,17 @@ static void mcux_rtc_isr(void *arg)
const struct mcux_rtc_config *config =
CONTAINER_OF(info, struct mcux_rtc_config, info);
struct mcux_rtc_data *data = dev->driver_data;
counter_alarm_callback_t cb;
u32_t current = mcux_rtc_read(dev);


LOG_DBG("Current time is %d ticks", current);

if ((RTC_GetStatusFlags(config->base) & RTC_SR_TAF_MASK) &&
(data->alarm_callback)) {
data->alarm_callback(dev, 0, current, data->alarm_user_data);
cb = data->alarm_callback;
data->alarm_callback = NULL;
cb(dev, 0, current, data->alarm_user_data);
}

if ((RTC_GetStatusFlags(config->base) & RTC_SR_TOF_MASK) &&

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