diff options
| author | Mengsk <[email protected]> | 2025-10-07 12:53:50 +0200 |
|---|---|---|
| committer | Mengsk <[email protected]> | 2025-10-07 15:49:55 +0200 |
| commit | 16dd74912fd6627fcfa1dcd91a8e6f9150b0cced (patch) | |
| tree | 29f7e09eccd0b8f99136600540da63c7109c6aa8 | |
| parent | fedcdefa3d6f677aaa7dbd97577facd719eceadb (diff) | |
dcd/dwc2: cleanup previous pending EP0 IN transfer if a SETUP packet is received
Signed-off-by: Mengsk <[email protected]>
| -rw-r--r-- | src/portable/synopsys/dwc2/dcd_dwc2.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/portable/synopsys/dwc2/dcd_dwc2.c b/src/portable/synopsys/dwc2/dcd_dwc2.c index d3f8f6b2a..9d9172b67 100644 --- a/src/portable/synopsys/dwc2/dcd_dwc2.c +++ b/src/portable/synopsys/dwc2/dcd_dwc2.c @@ -282,8 +282,7 @@ static void edpt_disable(uint8_t rhport, uint8_t ep_addr, bool stall) { dwc2_dep_t* dep = &dwc2->ep[dir == TUSB_DIR_IN ? 0 : 1][epnum]; if (dir == TUSB_DIR_IN) { - // Only disable currently enabled non-control endpoint - if ((epnum == 0) || !(dep->diepctl & DIEPCTL_EPENA)) { + if (!(dep->diepctl & DIEPCTL_EPENA)) { dep->diepctl |= DIEPCTL_SNAK | (stall ? DIEPCTL_STALL : 0); } else { // Stop transmitting packets and NAK IN xfers. @@ -841,6 +840,11 @@ static void handle_rxflvl_irq(uint8_t rhport) { static void handle_epout_slave(uint8_t rhport, uint8_t epnum, dwc2_doepint_t doepint_bm) { if (doepint_bm.setup_phase_done) { + // Cleanup previous pending EP0 IN transfer if any + dwc2_dep_t* epin0 = &DWC2_REG(rhport)->epin[0]; + if (epin0->diepctl & DIEPCTL_EPENA) { + edpt_disable(rhport, 0x80, false); + } dcd_event_setup_received(rhport, _dcd_usbbuf.setup_packet, true); return; } @@ -919,6 +923,11 @@ static void handle_epout_dma(uint8_t rhport, uint8_t epnum, dwc2_doepint_t doepi dwc2_regs_t* dwc2 = DWC2_REG(rhport); if (doepint_bm.setup_phase_done) { + // Cleanup previous pending EP0 IN transfer if any + dwc2_dep_t* epin0 = &DWC2_REG(rhport)->epin[0]; + if (epin0->diepctl & DIEPCTL_EPENA) { + edpt_disable(rhport, 0x80, false); + } dma_setup_prepare(rhport); dcd_dcache_invalidate(_dcd_usbbuf.setup_packet, 8); dcd_event_setup_received(rhport, _dcd_usbbuf.setup_packet, true); |