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| author | Ha Thach <[email protected]> | 2023-03-11 08:06:17 +0700 |
|---|---|---|
| committer | GitHub <[email protected]> | 2023-03-11 08:06:17 +0700 |
| commit | b5b2fad5fba530f925a35d3b50fb5797fd515682 (patch) | |
| tree | 376a98788545e8b7459c2134c98fe9ad5f8b75d2 | |
| parent | 990fb6ae5c4d9d4b77c5a9ecb3a2abe899dd2712 (diff) | |
| parent | f0ddf8d10f7d58592d2ebb60025b227c8047114d (diff) | |
Merge pull request #1946 from kasjer/kasjer/nrf5x-fix-iso-memory-corruption
dcd_nrf5x: ISO OUT handling
| -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 |