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Ignore spurious RX interrupt.

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HiFiPhile 2024-04-09 16:29:08 +02:00
parent 973d29acd0
commit 472996e2bf
1 changed files with 17 additions and 0 deletions
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17
src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
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@ -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)