diff options
| author | kkitayam <[email protected]> | 2021-09-29 22:53:26 +0900 |
|---|---|---|
| committer | kkitayam <[email protected]> | 2021-09-29 22:53:26 +0900 |
| commit | 9bcab53c2cb0b52baf8bc0c768887428ac87fbff (patch) | |
| tree | 2d8a1cf4d8a22211dc438e1a13dc850c8844126b /src/class/video/video_device.c | |
| parent | dba5e7b17d4f39c9f74b90142a2e17056f4db6d7 (diff) | |
Implement frame rate settings
Diffstat (limited to 'src/class/video/video_device.c')
| -rw-r--r-- | src/class/video/video_device.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/class/video/video_device.c b/src/class/video/video_device.c index f4ecef446..28ac860e1 100644 --- a/src/class/video/video_device.c +++ b/src/class/video/video_device.c @@ -290,6 +290,9 @@ static inline tusb_desc_cs_video_frm_uncompressed_t const *_find_desc_frame(void _find_desc_3(beg, end, TUSB_DESC_CS_INTERFACE, VIDEO_CS_VS_INTERFACE_FRAME_UNCOMPRESSED, frmnum); } +/** Set uniquely determined values to variables that have not been set + * + * @param[in,out] param Target */ static bool _update_streaming_parameters(videod_streaming_interface_t const *stm, video_probe_and_commit_control_t *param) { @@ -353,6 +356,11 @@ static bool _update_streaming_parameters(videod_streaming_interface_t const *stm return true; } +/** Set the minimum or the maximum values to variables which need to negotiate with the host + * + * @param[in] set_max If true, the maximum values is set, otherwise the minimum value is set. + * @param[in,out] param Target + */ static bool _negotiate_streaming_parameters(videod_streaming_interface_t const *stm, bool set_max, video_probe_and_commit_control_t *param) { @@ -514,6 +522,7 @@ static bool _open_vs_itf(uint8_t rhport, videod_streaming_interface_t *stm, uint stm->max_payload_transfer_size = 0; video_probe_and_commit_control_t *param = (video_probe_and_commit_control_t *)&stm->ep_buf; + tu_memclr(param, sizeof(*param)); return _update_streaming_parameters(stm, param); } /* Open endpoints of the new settings. */ @@ -880,7 +889,7 @@ bool tud_video_n_frame_xfer(uint_fast8_t ctl_idx, uint_fast8_t stm_idx, void *bu if (!stm || !stm->desc.ep[0] || stm->buffer) return false; - /* find EP address */ + /* Find EP address */ void const *desc = _videod_itf[stm->index_vc].beg; uint_fast8_t ep_addr = 0; for (uint_fast8_t i = 0; i < CFG_TUD_VIDEO_STREAMING; ++i) { |