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Fixed a problem that the STOP2 was falling back to STOP1 #3663

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Merged
merged 2 commits into from
Feb 13, 2017
Merged

Fixed a problem that the STOP2 was falling back to STOP1 #3663

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605059e
Fixed a problem that the STOP2 was falling back to STOP1 because
Jan 31, 2017
10bb94a
Fixed code style violation needs '{'
helmut64 Feb 7, 2017
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21 changes: 14 additions & 7 deletions targets/TARGET_STM/sleep.c
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Original file line number Diff line number Diff line change
Expand Up @@ -52,15 +52,22 @@ void hal_deepsleep(void)

// Request to enter STOP mode with regulator in low power mode
#if TARGET_STM32L4
if (__HAL_RCC_PWR_IS_CLK_ENABLED()) {
HAL_PWREx_EnableLowPowerRunMode();
HAL_PWREx_EnterSTOP2Mode(PWR_STOPENTRY_WFI);
HAL_PWREx_DisableLowPowerRunMode();
} else {
int pwrClockEnabled = __HAL_RCC_PWR_IS_CLK_ENABLED();
int lowPowerModeEnabled = PWR->CR1 & PWR_CR1_LPR;

if (!pwrClockEnabled) {
__HAL_RCC_PWR_CLK_ENABLE();
HAL_PWREx_EnableLowPowerRunMode();
HAL_PWREx_EnterSTOP2Mode(PWR_STOPENTRY_WFI);
}
if (lowPowerModeEnabled) {
HAL_PWREx_DisableLowPowerRunMode();
}

HAL_PWREx_EnterSTOP2Mode(PWR_STOPENTRY_WFI);

if (lowPowerModeEnabled) {
HAL_PWREx_EnableLowPowerRunMode();
}
if (!pwrClockEnabled) {
__HAL_RCC_PWR_CLK_DISABLE();
}
#else /* TARGET_STM32L4 */
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