diff options
Diffstat (limited to 'src/class/video')
| -rw-r--r-- | src/class/video/video_device.c | 47 |
1 files changed, 36 insertions, 11 deletions
diff --git a/src/class/video/video_device.c b/src/class/video/video_device.c index 5306356ba..648c8c3c8 100644 --- a/src/class/video/video_device.c +++ b/src/class/video/video_device.c @@ -759,10 +759,15 @@ static bool _open_vs_itf(uint8_t rhport, videod_streaming_interface_t *stm, uint for (i = 0; i < TU_ARRAY_SIZE(stm->desc.ep); ++i) { uint_fast16_t ofs_ep = stm->desc.ep[i]; if (!ofs_ep) break; - uint8_t ep_adr = _desc_ep_addr(desc + ofs_ep); - usbd_edpt_close(rhport, ep_adr); - stm->desc.ep[i] = 0; - TU_LOG_DRV(" close EP%02x\r\n", ep_adr); + tusb_desc_endpoint_t const *ep = (tusb_desc_endpoint_t const*)(desc + ofs_ep); + /* Only ISO endpoints needs to be closed */ + if(ep->bmAttributes.xfer == TUSB_XFER_ISOCHRONOUS) { +#ifndef TUP_DCD_EDPT_ISO_ALLOC + usbd_edpt_close(rhport, ep->bEndpointAddress); +#endif + stm->desc.ep[i] = 0; + TU_LOG_DRV(" close EP%02x\r\n", ep->bEndpointAddress); + } } /* clear transfer management information */ @@ -788,16 +793,18 @@ static bool _open_vs_itf(uint8_t rhport, videod_streaming_interface_t *stm, uint TU_ASSERT(cur < end); tusb_desc_endpoint_t const *ep = (tusb_desc_endpoint_t const*)cur; uint_fast32_t max_size = stm->max_payload_transfer_size; - if (altnum) { - if ((TUSB_XFER_ISOCHRONOUS == ep->bmAttributes.xfer) && - (tu_edpt_packet_size(ep) < max_size)) { - /* FS must be less than or equal to max packet size */ - return false; - } + if (altnum && (TUSB_XFER_ISOCHRONOUS == ep->bmAttributes.xfer)) { + /* FS must be less than or equal to max packet size */ + TU_VERIFY (tu_edpt_packet_size(ep) >= max_size); +#ifdef TUP_DCD_EDPT_ISO_ALLOC + usbd_edpt_iso_activate(rhport, ep); +#else + TU_ASSERT(usbd_edpt_open(rhport, ep)); +#endif } else { TU_VERIFY(TUSB_XFER_BULK == ep->bmAttributes.xfer); + TU_ASSERT(usbd_edpt_open(rhport, ep)); } - TU_ASSERT(usbd_edpt_open(rhport, ep)); stm->desc.ep[i] = (uint16_t) (cur - desc); TU_LOG_DRV(" open EP%02x\r\n", _desc_ep_addr(cur)); } @@ -1283,6 +1290,24 @@ uint16_t videod_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uin cur = _next_desc_itf(cur, end); stm->desc.end = (uint16_t) ((uintptr_t)cur - (uintptr_t)itf_desc); stm->state = VS_STATE_PROBING; +#ifdef TUP_DCD_EDPT_ISO_ALLOC + /* Allocate ISO endpoints */ + uint16_t ep_size = 0; + uint16_t ep_addr = 0; + uint8_t const *p_desc = (uint8_t const*)itf_desc + stm->desc.beg; + uint8_t const *p_desc_end = (uint8_t const*)itf_desc + stm->desc.end; + while (p_desc < p_desc_end) { + if (tu_desc_type(p_desc) == TUSB_DESC_ENDPOINT) { + tusb_desc_endpoint_t const *desc_ep = (tusb_desc_endpoint_t const *) p_desc; + if (desc_ep->bmAttributes.xfer == TUSB_XFER_ISOCHRONOUS) { + ep_addr = desc_ep->bEndpointAddress; + ep_size = TU_MAX(tu_edpt_packet_size(desc_ep), ep_size); + } + } + p_desc = tu_desc_next(p_desc); + } + if(ep_addr > 0 && ep_size > 0) usbd_edpt_iso_alloc(rhport, ep_addr, ep_size); +#endif if (0 == stm_idx && 1 == bInCollection) { /* If there is only one streaming interface and no alternate settings, * host may not issue set_interface so open the streaming interface here. */ |