From c9b623aa63d24d58a7a5e55dd296afd1261b2ab8 Mon Sep 17 00:00:00 2001 From: hathach Date: Fri, 21 Nov 2025 17:02:56 +0700 Subject: edpt stream support xfer_fifo for device CFG_TUD_EDPT_DEDICATED_HWFIFO cdc device omit ep buffer when hwfifo is supported --- src/device/usbd.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'src/device') diff --git a/src/device/usbd.c b/src/device/usbd.c index a65d14daf..5e7d0ffa7 100644 --- a/src/device/usbd.c +++ b/src/device/usbd.c @@ -1474,6 +1474,7 @@ bool usbd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t t // success message. If total_bytes is too big, the FIFO will copy only what is available // into the USB buffer! bool usbd_edpt_xfer_fifo(uint8_t rhport, uint8_t ep_addr, tu_fifo_t* ff, uint16_t total_bytes, bool is_isr) { + #if CFG_TUD_EDPT_DEDICATED_HWFIFO rhport = _usbd_rhport; uint8_t const epnum = tu_edpt_number(ep_addr); @@ -1481,7 +1482,7 @@ bool usbd_edpt_xfer_fifo(uint8_t rhport, uint8_t ep_addr, tu_fifo_t* ff, uint16_ TU_LOG_USBD(" Queue ISO EP %02X with %u bytes ... ", ep_addr, total_bytes); - // Attempt to transfer on a busy endpoint, sound like an race condition ! + // Attempt to transfer on a busy endpoint, sound like a race condition ! TU_ASSERT(_usbd_dev.ep_status[epnum][dir].busy == 0); // Set busy first since the actual transfer can be complete before dcd_edpt_xfer() could return @@ -1499,6 +1500,14 @@ bool usbd_edpt_xfer_fifo(uint8_t rhport, uint8_t ep_addr, tu_fifo_t* ff, uint16_ TU_BREAKPOINT(); return false; } + #else + (void)rhport; + (void)ep_addr; + (void)ff; + (void)total_bytes; + (void)is_isr; + return false; + #endif } bool usbd_edpt_busy(uint8_t rhport, uint8_t ep_addr) { -- cgit v1.3.1