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STM32L4 - Update deepsleep implementation #2771

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Merged
merged 1 commit into from
Sep 24, 2016
Merged

STM32L4 - Update deepsleep implementation #2771

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14 changes: 12 additions & 2 deletions hal/targets/hal/TARGET_STM/TARGET_STM32L4/sleep.c
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Original file line number Diff line number Diff line change
Expand Up @@ -47,8 +47,18 @@ void deepsleep(void)
// Stop HAL systick
HAL_SuspendTick();

// Request to enter STOP mode with regulator in low power mode
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
// Request to enter STOP mode 1 with regulator in low power mode
if (__HAL_RCC_PWR_IS_CLK_ENABLED()) {
HAL_PWREx_EnableLowPowerRunMode();
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
HAL_PWREx_DisableLowPowerRunMode();
} else {
__HAL_RCC_PWR_CLK_ENABLE();
HAL_PWREx_EnableLowPowerRunMode();
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
HAL_PWREx_DisableLowPowerRunMode();
__HAL_RCC_PWR_CLK_DISABLE();
}

// After wake-up from STOP reconfigure the PLL
SetSysClock();
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