diff options
| -rw-r--r-- | usb/dwc_otg.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/usb/dwc_otg.h b/usb/dwc_otg.h index c27a91e..cf4e8d7 100644 --- a/usb/dwc_otg.h +++ b/usb/dwc_otg.h @@ -55,11 +55,17 @@ class USB_otg : public USB_generic { // FIXME: Temporary workaround. if(type == (0x2 << 17) && ep != 0) { - if(otg.dev_oep_reg[ep].DOEPCTL & (1 << 16)) { - otg.dev_oep_reg[ep].DOEPCTL |= (1 << 28) | (1 << 26); - } else { - otg.dev_oep_reg[ep].DOEPCTL |= (1 << 29) | (1 << 26); + // Odd/even filtering on isochronous endpoints. + if((otg.dev_oep_reg[ep].DOEPCTL & (3 << 18)) == (1 << 18)) { + if(otg.dev_oep_reg[ep].DOEPCTL & (1 << 16)) { + otg.dev_oep_reg[ep].DOEPCTL |= (1 << 28); + } else { + otg.dev_oep_reg[ep].DOEPCTL |= (1 << 29); + } } + + // Clear NAK. + otg.dev_oep_reg[ep].DOEPCTL |= (1 << 26); } rxfifo_bytes = 0; |