diff options
| author | HiFiPhile <[email protected]> | 2024-04-09 16:29:08 +0200 |
|---|---|---|
| committer | HiFiPhile <[email protected]> | 2024-04-09 18:32:03 +0200 |
| commit | 472996e2bfbd14341e99aa58e9f0c24e69a5043e (patch) | |
| tree | 0dfb7674e9b5bd981f2696eee8ffac76bdd703c8 | |
| parent | 973d29acd095662a3a5f1dfb8d57a3ad8092f89b (diff) | |
Ignore spurious RX interrupt.
| -rw-r--r-- | src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c index 4844c916d..a6d92c7c0 100644 --- a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c +++ b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c @@ -153,6 +153,7 @@ typedef struct uint16_t queued_len; uint16_t max_packet_size; uint8_t ep_idx; // index for USB_EPnR register + bool in_complete; // Workaround for ISO IN EP doesn't have interrupt mask } xfer_ctl_t; // EP allocator @@ -518,6 +519,19 @@ static void dcd_ep_ctr_tx_handler(uint32_t wIstr) pcd_clear_tx_ep_ctr(USB, EPindex); xfer_ctl_t * xfer = xfer_ctl_ptr(ep_addr); + + /* Ignore spurious int */ + if(xfer->in_complete) return; + xfer->in_complete = true; + + if ((wEPRegVal & USB_EP_TYPE_MASK) == USB_EP_ISOCHRONOUS) { + if (wEPRegVal & USB_EP_DTOG_TX) { + pcd_set_ep_tx_dbuf0_cnt(USB, EPindex, 0); + } else { + pcd_set_ep_tx_dbuf1_cnt(USB, EPindex, 0); + } + } + if((xfer->total_len != xfer->queued_len)) /* TX not complete */ { dcd_transmit_packet(xfer, EPindex); @@ -1019,7 +1033,10 @@ static void dcd_transmit_packet(xfer_ctl_t * xfer, uint16_t ep_ix) } xfer->queued_len = (uint16_t)(xfer->queued_len + len); + dcd_int_disable(0); pcd_set_ep_tx_status(USB, ep_ix, USB_EP_TX_VALID); + xfer->in_complete = false; + dcd_int_enable(0); } static bool edpt_xfer(uint8_t rhport, uint8_t ep_addr) |