diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/nordic/nrf5x/dcd_nrf5x.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/portable/nordic/nrf5x/dcd_nrf5x.c b/src/portable/nordic/nrf5x/dcd_nrf5x.c index afc14b010..4aeb85fc0 100644 --- a/src/portable/nordic/nrf5x/dcd_nrf5x.c +++ b/src/portable/nordic/nrf5x/dcd_nrf5x.c @@ -187,11 +187,16 @@ static void xact_out_dma(uint8_t epnum) } else { - // Trigger DMA move data from Endpoint -> SRAM - NRF_USBD->ISOOUT.PTR = (uint32_t) xfer->buffer; - NRF_USBD->ISOOUT.MAXCNT = xact_len; + if (xfer->started) + { + // Trigger DMA move data from Endpoint -> SRAM + NRF_USBD->ISOOUT.PTR = (uint32_t) xfer->buffer; + NRF_USBD->ISOOUT.MAXCNT = xact_len; - start_dma(&NRF_USBD->TASKS_STARTISOOUT); + start_dma(&NRF_USBD->TASKS_STARTISOOUT); + } else { + atomic_flag_clear(&_dcd.dma_running); + } } } else |