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Fix spurious EP0 completion.

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HiFiPhile
2024-05-05 22:01:09 +02:00
parent 8765568282
commit 02ec486610
1 changed files with 17 additions and 13 deletions
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30
src/portable/synopsys/dwc2/dcd_dwc2.c
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@@ -1081,22 +1081,26 @@ static void handle_epout_irq(uint8_t rhport) {
} else if (doepint & DOEPINT_OTEPSPR) {
epout->doepint = DOEPINT_OTEPSPR;
} else {
// EP0 can only handle one packet
if ((n == 0) && ep0_pending[TUSB_DIR_OUT]) {
// Schedule another packet to be received.
edpt_schedule_packets(rhport, n, TUSB_DIR_OUT, 1, ep0_pending[TUSB_DIR_OUT]);
if ((doepint & DOEPINT_STPKTRX) && (dwc2->gsnpsid >= DWC2_CORE_REV_3_00a)) {
epout->doepint = DOEPINT_STPKTRX;
} else {
if(dma_enabled(rhport)) {
// Fix packet length
uint16_t remain = (epout->doeptsiz & DOEPTSIZ_XFRSIZ_Msk) >> DOEPTSIZ_XFRSIZ_Pos;
xfer->total_len -= remain;
// this is ZLP, so prepare EP0 for next setup
if(n == 0 && xfer->total_len == 0) {
dma_stpkt_rx(rhport);
// EP0 can only handle one packet
if ((n == 0) && ep0_pending[TUSB_DIR_OUT]) {
// Schedule another packet to be received.
edpt_schedule_packets(rhport, n, TUSB_DIR_OUT, 1, ep0_pending[TUSB_DIR_OUT]);
} else {
if(dma_enabled(rhport)) {
// Fix packet length
uint16_t remain = (epout->doeptsiz & DOEPTSIZ_XFRSIZ_Msk) >> DOEPTSIZ_XFRSIZ_Pos;
xfer->total_len -= remain;
// this is ZLP, so prepare EP0 for next setup
if(n == 0 && xfer->total_len == 0) {
dma_stpkt_rx(rhport);
}
}
}
dcd_event_xfer_complete(rhport, n, xfer->total_len, XFER_RESULT_SUCCESS, true);
dcd_event_xfer_complete(rhport, n, xfer->total_len, XFER_RESULT_SUCCESS, true);
}
}
}
}