diff options
| author | HiFiPhile <[email protected]> | 2026-01-15 19:13:18 +0100 |
|---|---|---|
| committer | HiFiPhile <[email protected]> | 2026-01-15 19:13:18 +0100 |
| commit | 8ef8ee1946f3c0f600500eb49b2b0c1352f8dcb8 (patch) | |
| tree | 5ab0ba2823d981e6a4e605105377fc2f458f3905 | |
| parent | b03a87731cb38d7f1fbf82f07886e071f0a48bbf (diff) | |
dcd/musb: fix zlp IN
Signed-off-by: HiFiPhile <[email protected]>
| -rw-r--r-- | src/portable/mentor/musb/dcd_musb.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/portable/mentor/musb/dcd_musb.c b/src/portable/mentor/musb/dcd_musb.c index 06f62b0d3..9e6ee6f5d 100644 --- a/src/portable/mentor/musb/dcd_musb.c +++ b/src/portable/mentor/musb/dcd_musb.c @@ -189,14 +189,14 @@ static void process_setup_packet(uint8_t rhport) { } } -static bool handle_xfer_in(uint8_t rhport, uint_fast8_t ep_addr) +static bool handle_xfer_in(uint8_t rhport, uint_fast8_t ep_addr, bool is_zlp) { unsigned epnum = tu_edpt_number(ep_addr); unsigned epnum_minus1 = epnum - 1; pipe_state_t *pipe = &_dcd.pipe[tu_edpt_dir(ep_addr)][epnum_minus1]; const unsigned rem = pipe->remaining; - if (!rem) { + if (!rem && !is_zlp) { pipe->buf = NULL; return true; } @@ -268,7 +268,7 @@ static bool edpt_n_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t *buffer, uint16 pipe->remaining = total_bytes; if (dir_in) { - handle_xfer_in(rhport, ep_addr); + handle_xfer_in(rhport, ep_addr, total_bytes == 0); } else { musb_regs_t* musb_regs = MUSB_REGS(rhport); musb_ep_csr_t* ep_csr = get_ep_csr(musb_regs, epnum); @@ -445,7 +445,7 @@ static void process_edpt_n(uint8_t rhport, uint_fast8_t ep_addr) ep_csr->tx_csrl &= ~(MUSB_TXCSRL1_STALLED | MUSB_TXCSRL1_UNDRN); return; } - completed = handle_xfer_in(rhport, ep_addr); + completed = handle_xfer_in(rhport, ep_addr, false); } else { // TU_LOG1(" RX CSRL%d = %x\r\n", epn, ep_csr->rx_csrl); if (ep_csr->rx_csrl & MUSB_RXCSRL1_STALLED) { |