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| author | Ha Thach <[email protected]> | 2020-08-05 22:36:05 +0700 |
|---|---|---|
| committer | GitHub <[email protected]> | 2020-08-05 22:36:05 +0700 |
| commit | 6f3378f71dd9f05f7a3dac52658a727acd56f33e (patch) | |
| tree | e6e750c97404106eb28489c6506c9fc64f8b4671 /src | |
| parent | 9b9ea8453d3f85db20c7c038e595949c7820173f (diff) | |
| parent | e9aa36a6e8991335d72666058f9c135c3331d238 (diff) | |
Merge pull request #476 from kasjer/kasjer/fix-synopsys-fix-iso-frame-bit
Fix synopsys odd/even frame bit for IN ISO endpoints
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/st/synopsys/dcd_synopsys.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/portable/st/synopsys/dcd_synopsys.c b/src/portable/st/synopsys/dcd_synopsys.c index a284c0384..3c349582f 100644 --- a/src/portable/st/synopsys/dcd_synopsys.c +++ b/src/portable/st/synopsys/dcd_synopsys.c @@ -365,6 +365,13 @@ static void edpt_schedule_packets(uint8_t rhport, uint8_t const epnum, uint8_t c ((total_bytes << USB_OTG_DIEPTSIZ_XFRSIZ_Pos) & USB_OTG_DIEPTSIZ_XFRSIZ_Msk); 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) + { + // Take odd/even bit from frame counter. + uint32_t const odd_frame_now = (dev->DSTS & (1u << USB_OTG_DSTS_FNSOF_Pos)); + in_ep[epnum].DIEPCTL |= (odd_frame_now ? USB_OTG_DIEPCTL_SD0PID_SEVNFRM_Msk : USB_OTG_DIEPCTL_SODDFRM_Msk); + } // Enable fifo empty interrupt only if there are something to put in the fifo. if(total_bytes != 0) { dev->DIEPEMPMSK |= (1 << epnum); |