Merge pull request #1946 from kasjer/kasjer/nrf5x-fix-iso-memory-corruption

dcd_nrf5x: ISO OUT handling
2023-03-11 08:06:17 +07:00
parent 990fb6ae5c f0ddf8d10f
commit b5b2fad5fb
1 changed files with 9 additions and 4 deletions
--- a/src/portable/nordic/nrf5x/dcd_nrf5x.c
+++ b/src/portable/nordic/nrf5x/dcd_nrf5x.c
@@ -186,12 +186,17 @@ static void xact_out_dma(uint8_t epnum)
      atomic_flag_clear(&_dcd.dma_running);
    }
    else
+    {
+      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);
+      } else {
+        atomic_flag_clear(&_dcd.dma_running);
+      }
    }
  }
  else