static vsf_err_t uvc_init_thread(struct vsfsm_pt_t *pt, vsfsm_evt_t evt)
{
vsf_err_t err;
struct vsfusbh_uvc_t *hdata = (struct vsfusbh_uvc_t *)pt->user_data;
struct vsfusbh_urb_t *vsfurb = &hdata->ctrl_urb;
vsfsm_pt_begin(pt);
// reset interfaces 1 (video)
vsfurb->transfer_buffer = NULL;
vsfurb->transfer_length = 0;
err = vsfusbh_set_interface(hdata->usbh, vsfurb, 1, 0);
if (err != VSFERR_NONE)
return err;
vsfsm_pt_wfe(pt, VSFSM_EVT_URB_COMPLETE);
if (vsfurb->status != URB_OK)
return VSFERR_FAIL;
vsfsm_pt_end(pt);
return VSFERR_NONE;
}
static vsf_err_t uvc_ctrl_thread(struct vsfsm_pt_t *pt, vsfsm_evt_t evt)
{
vsf_err_t err;
struct vsfusbh_uvc_t *hdata = (struct vsfusbh_uvc_t *)pt->user_data;
struct vsfusbh_urb_t *vsfurb = &hdata->ctrl_urb;
vsfsm_pt_begin(pt);
// reset interfaces 1 (video)
vsfurb->transfer_buffer = NULL;
vsfurb->transfer_length = 0;
err = vsfusbh_set_interface(hdata->usbh, vsfurb, 1, 0);
if (err != VSFERR_NONE)
return err;
vsfsm_pt_wfe(pt, VSFSM_EVT_URB_COMPLETE);
if (vsfurb->status != URB_OK)
return VSFERR_FAIL;
// reset interfaces 3 (audio)
vsfurb->transfer_buffer = NULL;
vsfurb->transfer_length = 0;
err = vsfusbh_set_interface(hdata->usbh, vsfurb, 3, 0);
if (err != VSFERR_NONE)
return err;
vsfsm_pt_wfe(pt, VSFSM_EVT_URB_COMPLETE);
if (vsfurb->status != URB_OK)
return VSFERR_FAIL;
if (hdata->set_param.connected == 0)
{
vsfsm_post_evt_pending(&hdata->video_sm, UAV_ISO_DISABLE);
vsfsm_post_evt_pending(&hdata->audio_sm, UAV_ISO_DISABLE);
return VSFERR_NONE;
}
if (hdata->set_param.video_enable)
{
// negotiate
hdata->video_iso_packet_len = 800;
hdata->video_iso_ep = 1;
// commit param
vsfurb->transfer_buffer = hdata->ctrl_urb_buf;
memcpy(vsfurb->transfer_buffer, negotiate_temp, 26);
vsfurb->transfer_length = 26;
vsfurb->pipe = usb_sndctrlpipe(vsfurb->vsfdev, 0);
err = vsfusbh_control_msg(hdata->usbh, vsfurb,
USB_RECIP_INTERFACE | USB_DIR_OUT, SET_CUR, 0x0200, 0x0001);
if (err != VSFERR_NONE)
return err;
vsfsm_pt_wfe(pt, VSFSM_EVT_URB_COMPLETE);
if (vsfurb->status != URB_OK)
return VSFERR_FAIL;
// set interfaces
vsfurb->transfer_buffer = NULL;
vsfurb->transfer_length = 0;
err = vsfusbh_set_interface(hdata->usbh, vsfurb, 1, 3);
if (err != VSFERR_NONE)
return err;
vsfsm_pt_wfe(pt, VSFSM_EVT_URB_COMPLETE);
if (vsfurb->status != URB_OK)
return VSFERR_FAIL;
// enable video
vsfsm_post_evt_pending(&hdata->video_sm, UAV_ISO_ENABLE);
}
if (hdata->set_param.audio_enable)
{
// TODO
// enable audio
vsfsm_post_evt_pending(&hdata->audio_sm, UAV_ISO_ENABLE);
}
vsfsm_pt_end(pt);
return VSFERR_NONE;
}
static vsf_err_t uvc_ctrl_thread(struct vsfsm_pt_t *pt, vsfsm_evt_t evt)
{
vsf_err_t err;
struct vsfusbh_uvc_t *hdata = (struct vsfusbh_uvc_t *)pt->user_data;
struct vsfusbh_urb_t *vsfurb = &hdata->ctrl_urb;
vsfsm_pt_begin(pt);
if (hdata->set_param.video_enable)
{
// negotiate
hdata->video_iso_packet_len = 1024;
hdata->video_iso_ep = 1;
// commit param
vsfurb->transfer_buffer = hdata->ctrl_urb_buf;
memcpy(vsfurb->transfer_buffer, negotiate_temp, 26);
vsfurb->transfer_length = 26;
vsfurb->pipe = usb_sndctrlpipe(vsfurb->vsfdev, 0);
err = vsfusbh_control_msg(hdata->usbh, vsfurb,
USB_TYPE_CLASS |USB_RECIP_INTERFACE | USB_DIR_OUT, SET_CUR,
0x0200, 0x0001);
if (err != VSFERR_NONE)
return err;
vsfsm_pt_wfe(pt, VSFSM_EVT_URB_COMPLETE);
if (vsfurb->status != URB_OK)
return VSFERR_FAIL;
// set interfaces
vsfurb->transfer_buffer = NULL;
vsfurb->transfer_length = 0;
err = vsfusbh_set_interface(hdata->usbh, vsfurb, 1, 4);
if (err != VSFERR_NONE)
return err;
vsfsm_pt_wfe(pt, VSFSM_EVT_URB_COMPLETE);
if (vsfurb->status != URB_OK)
return VSFERR_FAIL;
// enable video
vsfsm_post_evt_pending(&hdata->video_sm, UAV_ISO_ENABLE);
}
else
{
vsfurb->transfer_buffer = NULL;
vsfurb->transfer_length = 0;
err = vsfusbh_set_interface(hdata->usbh, vsfurb, 1, 0);
if (err != VSFERR_NONE)
return err;
vsfsm_pt_wfe(pt, VSFSM_EVT_URB_COMPLETE);
if (vsfurb->status != URB_OK)
return VSFERR_FAIL;
}
vsf_bufmgr_free(hdata->ctrl_urb_buf);
hdata->ctrl_urb_buf = NULL;
memcpy(&hdata->cur_param, &hdata->set_param,
sizeof(struct vsfusbh_uvc_param_t));
vsfusbh_uvc_report(hdata, &hdata->cur_param, NULL);
vsfsm_pt_end(pt);
return VSFERR_NONE;
}
