diff --git a/src/portable/nordic/nrf5x/dcd_nrf5x.c b/src/portable/nordic/nrf5x/dcd_nrf5x.c index ed597a34..db3b06ee 100644 --- a/src/portable/nordic/nrf5x/dcd_nrf5x.c +++ b/src/portable/nordic/nrf5x/dcd_nrf5x.c @@ -453,9 +453,11 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t xfer_td_t* xfer = get_td(epnum, dir); + dcd_int_disable(rhport); xfer->buffer = buffer; xfer->total_len = total_bytes; xfer->actual_len = 0; + dcd_int_enable(rhport); // Control endpoint with zero-length packet and opposite direction to 1st request byte --> status stage bool const control_status = (epnum == 0 && total_bytes == 0 && dir != tu_edpt_dir(NRF_USBD->BMREQUESTTYPE)); @@ -476,7 +478,7 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t edpt_dma_start(&NRF_USBD->TASKS_EP0RCVOUT); }else { - if ( xfer->data_received ) + if ( xfer->data_received && xfer->total_len > xfer->actual_len) { // Data is already received previously // start DMA to copy to SRAM