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Detect and ignore the HID keyboard "phantom condition" (excessive roll-over).

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This commit is contained in:
Martin Whitaker
2022-05-01 22:40:42 +01:00
parent ddaa8bff3f
commit 260c113bb2
6 changed files with 21 additions and 12 deletions
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5
system/ehci.c
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@@ -458,8 +458,9 @@ static void poll_keyboards(const usb_hcd_t *hcd)
uint8_t error_mask = EHCI_QTD_HALTED | EHCI_QTD_DB_ERR | EHCI_QTD_BABBLE | EHCI_QTD_TR_ERR | EHCI_QTD_MMF | EHCI_QTD_PS;
if (~status & error_mask) {
hid_kbd_rpt_t *prev_kbd_rpt = &ws->prev_kbd_rpt[kbd_idx];
process_usb_keyboard_report(hcd, kbd_rpt, prev_kbd_rpt);
*prev_kbd_rpt = *kbd_rpt;
if (process_usb_keyboard_report(hcd, kbd_rpt, prev_kbd_rpt)) {
*prev_kbd_rpt = *kbd_rpt;
}
}
ehci_qhd_t *kbd_qhd = &ws->qhd[1 + kbd_idx];