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Posted to commits@mynewt.apache.org by GitBox <gi...@apache.org> on 2020/12/23 13:23:36 UTC
[GitHub] [mynewt-core] danielkucera commented on a change in pull request #2441: hw/mcu/nordic/nrf52xxx: Using hfxo_request and release. Addresses #2393.
danielkucera commented on a change in pull request #2441:
URL: https://github.com/apache/mynewt-core/pull/2441#discussion_r547956552
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File path: hw/mcu/nordic/nrf52xxx/src/nrf52_clock.c
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@@ -44,7 +44,18 @@ nrf52_clock_hfxo_request(void)
__HAL_DISABLE_INTERRUPTS(ctx);
assert(nrf52_clock_hfxo_refcnt < 0xff);
if (nrf52_clock_hfxo_refcnt == 0) {
- NRF_CLOCK->TASKS_HFCLKSTART = 1;
+ /* Check the current STATE and SRC of HFCLK */
+ if ((NRF_CLOCK->HFCLKSTAT &
+ (CLOCK_HFCLKSTAT_SRC_Msk | CLOCK_HFCLKSTAT_STATE_Msk)) !=
+ (CLOCK_HFCLKSTAT_SRC_Msk | CLOCK_HFCLKSTAT_STATE_Msk)) {
Review comment:
Just out of curiosity... What is this condition supposed to test?
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