diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/st/synopsys/dcd_synopsys.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/portable/st/synopsys/dcd_synopsys.c b/src/portable/st/synopsys/dcd_synopsys.c index 0980720d6..4c670515a 100644 --- a/src/portable/st/synopsys/dcd_synopsys.c +++ b/src/portable/st/synopsys/dcd_synopsys.c @@ -136,6 +136,7 @@ typedef struct { uint8_t * buffer; uint16_t total_len; uint16_t max_size; + uint8_t interval; } xfer_ctl_t; // EP size and transfer type report @@ -440,7 +441,7 @@ static void edpt_schedule_packets(uint8_t rhport, uint8_t const epnum, uint8_t c in_ep[epnum].DIEPCTL |= USB_OTG_DIEPCTL_EPENA | USB_OTG_DIEPCTL_CNAK; // For ISO endpoint set correct odd/even bit for next frame. - if ((in_ep[epnum].DIEPCTL & USB_OTG_DIEPCTL_EPTYP) == USB_OTG_DIEPCTL_EPTYP_0) + if ((in_ep[epnum].DIEPCTL & USB_OTG_DIEPCTL_EPTYP) == USB_OTG_DIEPCTL_EPTYP_0 && (XFER_CTL_BASE(epnum, dir))->interval == 1) { // Take odd/even bit from frame counter. uint32_t const odd_frame_now = (dev->DSTS & (1u << USB_OTG_DSTS_FNSOF_Pos)); @@ -457,6 +458,12 @@ static void edpt_schedule_packets(uint8_t rhport, uint8_t const epnum, uint8_t c ((total_bytes << USB_OTG_DOEPTSIZ_XFRSIZ_Pos) & USB_OTG_DOEPTSIZ_XFRSIZ_Msk); out_ep[epnum].DOEPCTL |= USB_OTG_DOEPCTL_EPENA | USB_OTG_DOEPCTL_CNAK; + if ((out_ep[epnum].DOEPCTL & USB_OTG_DOEPCTL_EPTYP) == USB_OTG_DOEPCTL_EPTYP_0 && (XFER_CTL_BASE(epnum, dir))->interval == 1) + { + // Take odd/even bit from frame counter. + uint32_t const odd_frame_now = (dev->DSTS & (1u << USB_OTG_DSTS_FNSOF_Pos)); + out_ep[epnum].DOEPCTL |= (odd_frame_now ? USB_OTG_DOEPCTL_SD0PID_SEVNFRM_Msk : USB_OTG_DOEPCTL_SODDFRM_Msk); + } } } @@ -608,6 +615,7 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt) xfer_ctl_t * xfer = XFER_CTL_BASE(epnum, dir); xfer->max_size = desc_edpt->wMaxPacketSize.size; + xfer->interval = desc_edpt->bInterval; if(dir == TUSB_DIR_OUT) { |