diff options
Diffstat (limited to 'src/portable')
| -rw-r--r-- | src/portable/synopsys/dwc2/dcd_dwc2.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/src/portable/synopsys/dwc2/dcd_dwc2.c b/src/portable/synopsys/dwc2/dcd_dwc2.c index 9d9172b67..e3c21a86d 100644 --- a/src/portable/synopsys/dwc2/dcd_dwc2.c +++ b/src/portable/synopsys/dwc2/dcd_dwc2.c @@ -814,17 +814,18 @@ static void handle_rxflvl_irq(uint8_t rhport) { dfifo_read_packet(dwc2, xfer->buffer, byte_count); xfer->buffer += byte_count; } + } - // short packet, minus remaining bytes (xfer_size) - if (byte_count < xfer->max_size) { - const dwc2_ep_tsize_t tsiz = {.value = epout->tsiz}; - xfer->total_len -= tsiz.xfer_size; - if (epnum == 0) { - xfer->total_len -= _dcd_data.ep0_pending[TUSB_DIR_OUT]; - _dcd_data.ep0_pending[TUSB_DIR_OUT] = 0; - } + // short packet (including ZLP when byte_count == 0), minus remaining bytes (xfer_size) + if (byte_count < xfer->max_size) { + const dwc2_ep_tsize_t tsiz = {.value = epout->tsiz}; + xfer->total_len -= tsiz.xfer_size; + if (epnum == 0) { + xfer->total_len -= _dcd_data.ep0_pending[TUSB_DIR_OUT]; + _dcd_data.ep0_pending[TUSB_DIR_OUT] = 0; } } + break; } |