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- correctly do_ping if received nyet as transfer complete e.g msc 31 byte command

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- correctly carry out OUT transfer when PING is ack
This commit is contained in:
hathach
2025-04-18 22:39:59 +07:00
parent 8111e53ff0
commit d51863d1a0
2 changed files with 12 additions and 8 deletions
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14
src/portable/synopsys/dwc2/hcd_dwc2.c
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@@ -959,6 +959,10 @@ static bool handle_channel_out_slave(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t
is_done = true;
xfer->result = XFER_RESULT_SUCCESS;
channel->hcintmsk &= ~HCINT_ACK;
if (hcint & HCINT_NYET) {
// complete transfer with NYET, do ping next time
edpt->next_do_ping = 1;
}
} else if (hcint & HCINT_STALL) {
xfer->result = XFER_RESULT_STALLED;
channel_disable(dwc2, channel);
@@ -1002,16 +1006,16 @@ static bool handle_channel_out_slave(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t
channel->hcintmsk &= ~HCINT_ACK;
if (hcsplt.split_en) {
if (!hcsplt.split_compl) {
// start split is ACK --> do complete split
// ACK for start split --> do complete split
hcsplt.split_compl = 1;
channel->hcsplt = hcsplt.value;
channel->hcchar |= HCCHAR_CHENA;
}
} else {
// Device is ready, resume transfer
edpt->next_do_ping = 0;
xfer->err_count = 0;
TU_ASSERT(channel_xfer_start(dwc2, ch_id));
// ACK interrupt is only enabled for Split and PING
// ACK for PING, which mean device is ready to receive data
channel->hctsiz &= ~HCTSIZ_DOPING; // HC already cleared PING bit, but we clear anyway
channel->hcchar |= HCCHAR_CHENA;
}
}