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nrf5x added LOWPOWER when suspend/resume

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hathach 2019-03-31 23:57:38 +07:00
parent eabfc53f38
commit 2cc4ab2aef
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1 changed files with 10 additions and 0 deletions
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src/portable/nordic/nrf5x/dcd_nrf5x.c
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@ -220,8 +220,15 @@ void dcd_remote_wakeup(uint8_t rhport)
{ {
(void) rhport; (void) rhport;
// Bring controller out of low power mode
NRF_USBD->LOWPOWER = 0;
// Initiate RESUME signal
NRF_USBD->DPDMVALUE = USBD_DPDMVALUE_STATE_Resume; NRF_USBD->DPDMVALUE = USBD_DPDMVALUE_STATE_Resume;
NRF_USBD->TASKS_DPDMDRIVE = 1; NRF_USBD->TASKS_DPDMDRIVE = 1;
// TODO There is no USBEVENT Resume interrupt
// We may manually raise DCD_EVENT_RESUME event here
} }
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
@ -393,7 +400,10 @@ void USBD_IRQHandler(void)
{ {
dcd_event_bus_signal(0, DCD_EVENT_SUSPEND, true); dcd_event_bus_signal(0, DCD_EVENT_SUSPEND, true);
// Put controller into low power mode
NRF_USBD->LOWPOWER = 1;
// Leave HFXO disable to application, since it may be used by other
} }
if ( evt_cause & USBD_EVENTCAUSE_RESUME_Msk ) if ( evt_cause & USBD_EVENTCAUSE_RESUME_Msk )