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STM32L4 deepsleep improvement

pull/3544/head
jeromecoutant 2017-01-09 12:21:24 +01:00
parent e7361ebc44
commit 633240b93b
1 changed files with 11 additions and 1 deletions
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12
targets/TARGET_STM/sleep.c
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@ -52,7 +52,17 @@ void deepsleep(void)
// Request to enter STOP mode with regulator in low power mode
#if TARGET_STM32L4
HAL_PWREx_EnterSTOP2Mode(PWR_STOPENTRY_WFI);
if (__HAL_RCC_PWR_IS_CLK_ENABLED()) {
HAL_PWREx_EnableLowPowerRunMode();
HAL_PWREx_EnterSTOP2Mode(PWR_STOPENTRY_WFI);
HAL_PWREx_DisableLowPowerRunMode();
} else {
__HAL_RCC_PWR_CLK_ENABLE();
HAL_PWREx_EnableLowPowerRunMode();
HAL_PWREx_EnterSTOP2Mode(PWR_STOPENTRY_WFI);
HAL_PWREx_DisableLowPowerRunMode();
__HAL_RCC_PWR_CLK_DISABLE();
}
#else /* TARGET_STM32L4 */
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
#endif /* TARGET_STM32L4 */