diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/nordic/nrf5x/dcd_nrf5x.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/portable/nordic/nrf5x/dcd_nrf5x.c b/src/portable/nordic/nrf5x/dcd_nrf5x.c index 4e702aed4..841cda752 100644 --- a/src/portable/nordic/nrf5x/dcd_nrf5x.c +++ b/src/portable/nordic/nrf5x/dcd_nrf5x.c @@ -653,7 +653,11 @@ void dcd_int_handler(uint8_t rhport) if (NRF_USBD->EPOUTEN & USBD_EPOUTEN_ISOOUT_Msk) { iso_enabled = true; - xact_out_dma(EP_ISO_NUM); + // Transfer from endpoint to RAM only if data is not corrupted + if ((int_status & USBD_INTEN_USBEVENT_Msk) == 0 || + (NRF_USBD->EVENTCAUSE & USBD_EVENTCAUSE_ISOOUTCRC_Msk) == 0) { + xact_out_dma(EP_ISO_NUM); + } } // ISOIN: Notify client that data was transferred @@ -683,7 +687,7 @@ void dcd_int_handler(uint8_t rhport) { TU_LOG(2, "EVENTCAUSE = 0x%04lX\r\n", NRF_USBD->EVENTCAUSE); - enum { EVT_CAUSE_MASK = USBD_EVENTCAUSE_SUSPEND_Msk | USBD_EVENTCAUSE_RESUME_Msk | USBD_EVENTCAUSE_USBWUALLOWED_Msk }; + enum { EVT_CAUSE_MASK = USBD_EVENTCAUSE_SUSPEND_Msk | USBD_EVENTCAUSE_RESUME_Msk | USBD_EVENTCAUSE_USBWUALLOWED_Msk | USBD_EVENTCAUSE_ISOOUTCRC_Msk }; uint32_t const evt_cause = NRF_USBD->EVENTCAUSE & EVT_CAUSE_MASK; NRF_USBD->EVENTCAUSE = evt_cause; // clear interrupt |