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Fix possible overflow of NRF51 os tick. #2410

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Merged
merged 1 commit into from
Aug 11, 2016
Merged

Fix possible overflow of NRF51 os tick. #2410

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2 changes: 1 addition & 1 deletion hal/targets/hal/TARGET_NORDIC/TARGET_NRF5/us_ticker.c
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Original file line number Diff line number Diff line change
Expand Up @@ -474,7 +474,7 @@ static void register_next_tick() {
uint32_t current_counter = nrf_rtc_counter_get(COMMON_RTC_INSTANCE);

// If an overflow occur, set the next tick in COUNTER + delta clock cycles
if (is_in_wrapped_range(previous_tick_cc_value, new_compare_value, current_counter) == false) {
if (is_in_wrapped_range(previous_tick_cc_value, new_compare_value, current_counter + 1) == false) {
new_compare_value = current_counter + delta;
}
nrf_rtc_cc_set(COMMON_RTC_INSTANCE, OS_TICK_CC_CHANNEL, new_compare_value);
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