User Activity

As title, MCU:STM32L151RET6, use freertos and enable tickless, when run  PreSleepProcessing(uint32_t *ulExpectedIdleTime) function sometimes, cause hardfault. the sleep para is PWR_LOWPOWERREGULATOR_ON. but when use PWR_MAINREGULATOR_ON, it's run OK....
The datasheet say:USB on-the-go high-speed (OTG_HS)     The devices embed an USB OTG high-speed device/host/OTG peripheral with integrated transceivers. The OTG_HS peripheral is compliant with the USB 2.0 specification and with the OTG 2.0 specificat...
Kudos given to