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feat(u3): deepSleep #121

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Merged
merged 1 commit into from
Mar 12, 2025
Merged

feat(u3): deepSleep #121

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4 changes: 2 additions & 2 deletions src/low_power.c
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Original file line number Diff line number Diff line change
Expand Up @@ -495,14 +495,14 @@ void LowPower_stop(serial_t *obj)
// STM32L4+ must keep SRAM3 content when entering STOP2 lowpower mode
HAL_PWREx_EnableSRAM3ContentRetention();
#endif /* PWR_CR1_RRSTP */
// STM32L4xx and STM32H7xx supports STOP2 mode which halves consumption
#if defined(STM32H7xx)
#if defined(PWR_LOWPOWERREGULATOR_ON)
HAL_PWREx_EnterSTOP2Mode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
#else
HAL_PWREx_EnterSTOP2Mode(PWR_MAINREGULATOR_ON, PWR_STOPENTRY_WFI);
#endif
HAL_PWREx_EnterSTOP2Mode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
#elif defined(STM32U3xx)
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERMODE_STOP2, PWR_STOPENTRY_WFI);
#else
HAL_PWREx_EnterSTOP2Mode(PWR_STOPENTRY_WFI);
#endif
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