fix: configuration descriptor has incorrectly sizes

update some descriptors
This commit is contained in:
kkitayam 2021-08-01 17:11:43 +09:00
parent 019c1ab09e
commit d026f17457
4 changed files with 102 additions and 45 deletions

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@ -102,7 +102,7 @@ uint8_t const * tud_descriptor_device_cb(void)
uint8_t const desc_fs_configuration[] = uint8_t const desc_fs_configuration[] =
{ {
// Config number, interface count, string index, total length, attribute, power in mA // Config number, interface count, string index, total length, attribute, power in mA
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100), TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0, 500),
// IAD for Video Control // IAD for Video Control
TUD_VIDEO_CAPTURE_DESCRIPTOR(4, EPNUM_VIDEO_IN, 128, 96, 15) TUD_VIDEO_CAPTURE_DESCRIPTOR(4, EPNUM_VIDEO_IN, 128, 96, 15)
}; };

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@ -39,18 +39,27 @@ enum {
ITF_NUM_TOTAL ITF_NUM_TOTAL
}; };
#define TUD_VIDEO_CAPTURE_DESC_LEN (TUD_VIDEO_DESC_IAD_LEN\ #define TUD_VIDEO_CAPTURE_DESC_LEN (\
TUD_VIDEO_DESC_IAD_LEN\
/* control */\ /* control */\
+ TUD_VIDEO_DESC_STD_VC_LEN\ + TUD_VIDEO_DESC_STD_VC_LEN\
+ TUD_VIDEO_DESC_CS_VC_LEN\ + (TUD_VIDEO_DESC_CS_VC_LEN + 1/*bInCollection*/)\
+ TUD_VIDEO_DESC_INPUT_TERM_LEN\ + TUD_VIDEO_DESC_INPUT_TERM_LEN\
+ TUD_VIDEO_DESC_OUTPUT_TERM_LEN\ + TUD_VIDEO_DESC_OUTPUT_TERM_LEN\
/* Interface 1, Alternate 0 */\ /* Interface 1, Alternate 0 */\
+ TUD_VIDEO_DESC_STD_VS_LEN\ + TUD_VIDEO_DESC_STD_VS_LEN\
+ TUD_VIDEO_DESC_CS_VS_IN_LEN\ + (TUD_VIDEO_DESC_CS_VS_IN_LEN + 1/*bNumFormats x bControlSize*/)\
+ TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR_LEN\ + TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR_LEN\
+ TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT_LEN) + TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT_LEN\
+ TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING_LEN\
)
#if 0
/* Interface 1, Alternate 1 */\
+ TUD_VIDEO_DESC_STD_VS_LEN\
+ 7/* Endpoint */\
#endif
#define TUD_VIDEO_DESC_CS_VS_FMT_YUY2(_fmtidx, _numfmtdesc, _frmidx, _asrx, _asry, _interlace, _cp) \ #define TUD_VIDEO_DESC_CS_VS_FMT_YUY2(_fmtidx, _numfmtdesc, _frmidx, _asrx, _asry, _interlace, _cp) \
TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR(_fmtidx, _numfmtdesc, TUD_VIDEO_GUID_YUY2, 16, _frmidx, _asrx, _asry, _interlace, _cp) TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR(_fmtidx, _numfmtdesc, TUD_VIDEO_GUID_YUY2, 16, _frmidx, _asrx, _asry, _interlace, _cp)
@ -64,34 +73,40 @@ enum {
#define TUD_VIDEO_CAPTURE_DESCRIPTOR(_stridx, _epin, _width, _height, _fps) \ #define TUD_VIDEO_CAPTURE_DESCRIPTOR(_stridx, _epin, _width, _height, _fps) \
TUD_VIDEO_DESC_IAD(ITF_NUM_VIDEO_CONTROL, ITF_NUM_TOTAL, _stridx), \ TUD_VIDEO_DESC_IAD(ITF_NUM_VIDEO_CONTROL, ITF_NUM_TOTAL, _stridx), \
/* Video control 0 */ \ /* Video control 0 */ \
TUD_VIDEO_DESC_STD_VC(ITF_NUM_VIDEO_CONTROL, 0, 0), \ TUD_VIDEO_DESC_STD_VC(ITF_NUM_VIDEO_CONTROL, 0, _stridx), \
TUD_VIDEO_DESC_CS_VC( /* UVC 1.5*/ 0x0150, \ TUD_VIDEO_DESC_CS_VC( /* UVC 1.5*/ 0x0150, \
TUD_VIDEO_DESC_INPUT_TERM_LEN + \ /* wTotalLength - bLength */ \
TUD_VIDEO_DESC_OUTPUT_TERM_LEN, \ TUD_VIDEO_DESC_INPUT_TERM_LEN + TUD_VIDEO_DESC_OUTPUT_TERM_LEN, \
UVC_CLOCK_FREQUENCY, 1, 1), \ UVC_CLOCK_FREQUENCY, 1, 1), \
TUD_VIDEO_DESC_INPUT_TERM(UVC_ENTITY_CAP_INPUT_TERMINAL,\ TUD_VIDEO_DESC_INPUT_TERM(UVC_ENTITY_CAP_INPUT_TERMINAL,\
VIDEO_TT_COMPOSITE_CONNECTOR, 0, 0), \ VIDEO_TT_COMPOSITE_CONNECTOR, 0, 0), \
TUD_VIDEO_DESC_OUTPUT_TERM(UVC_ENTITY_CAP_OUTPUT_TERMINAL,\ TUD_VIDEO_DESC_OUTPUT_TERM(UVC_ENTITY_CAP_OUTPUT_TERMINAL,\
VIDEO_TT_STREAMING, 0, 1, 0), \ VIDEO_TT_STREAMING, 0, 1, 0), \
/* Video stream alt. 0 */ \ /* Video stream alt. 0 */ \
TUD_VIDEO_DESC_STD_VS( 1, 0, 0, 0), \ TUD_VIDEO_DESC_STD_VS( 1, 0, 0, 0), \
/* Video stream header for without still image capture */ \ /* Video stream header for without still image capture */ \
TUD_VIDEO_DESC_CS_VS_INPUT(1, \ TUD_VIDEO_DESC_CS_VS_INPUT( /*bNumFormats*/1, \
TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR_LEN + \ /*wTotalLength - bLength */\
TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT_LEN,\ TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR_LEN\
_epin, /*bmInfo*/ 0, UVC_ENTITY_CAP_OUTPUT_TERMINAL, \ + TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT_LEN\
0, 2, 0, 0, 0, 1, 0), \ + TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING_LEN,\
_epin, /*bmInfo*/0, /*bTerminalLink*/UVC_ENTITY_CAP_OUTPUT_TERMINAL, \
/*bStillCaptureMethod*/0, /*bTriggerSupport*/0, /*bTriggerUsage*/0, \
/*bControlSize*/1, /*bmaControls(1)*/0), \
/* Video stream format */ \ /* Video stream format */ \
TUD_VIDEO_DESC_CS_VS_FMT_I420(0, 1, 0, 1, 1, 0, 0), \ TUD_VIDEO_DESC_CS_VS_FMT_I420(/*bFormatIndex*/1, /*bNumFrameDescriptors*/1,\
/*bDefaultFrameIndex*/1, 1, 1, 0, /*bCopyProtect*/0), \
/* Video stream frame format */ \ /* Video stream frame format */ \
TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT( 1, 0, _width, _height, \ TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT(/*bFrameIndex */1, 0, _width, _height, \
_width * _height * 12, _width * _height * 12 * _fps, \ _width * _height * 12, _width * _height * 12 * _fps, \
_width * _height * 12, \ _width * _height * 12, \
(10000000/_fps), (10000000/1), (10000000/_fps), 166666), \ (10000000/_fps), (10000000/1), (10000000/_fps), 166666), \
/* VS alt 1 */ \ TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING(VIDEO_COLOR_PRIMARIES_BT709,\
TUD_VIDEO_DESC_STD_VS( 1, 1, 1, 0), \ VIDEO_COLOR_XFER_CH_BT709, VIDEO_COLOR_COEF_SMPTE170M), \
/* EP */ \ /* VS alt 1 */\
TUD_VIDEO_DESC_EP_ISO(_epin, (_width * _height * 12 / 8) * _fps, 1) TUD_VIDEO_DESC_STD_VS(1, 1, 1, 0), \
/* EP */ \
TUD_VIDEO_DESC_EP_ISO(_epin, (_width * _height * 12 / 8) * _fps, 1)
#endif #endif

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@ -29,6 +29,35 @@
#include "common/tusb_common.h" #include "common/tusb_common.h"
typedef enum {
VIDEO_COLOR_PRIMARIES_UNDEFINED = 0x00,
VIDEO_COLOR_PRIMARIES_BT709,
VIDEO_COLOR_PRIMARIES_BT470_2M,
VIDEO_COLOR_PRIMARIES_BT470_2BG,
VIDEO_COLOR_PRIMARIES_SMPTE170M,
VIDEO_COLOR_PRIMARIES_SMPTE240M,
} video_color_primaries_t;
typedef enum {
VIDEO_COLOR_XFER_CH_UNDEFINED = 0x00,
VIDEO_COLOR_XFER_CH_BT709,
VIDEO_COLOR_XFER_CH_BT470_2M,
VIDEO_COLOR_XFER_CH_BT470_2BG,
VIDEO_COLOR_XFER_CH_SMPTE170M,
VIDEO_COLOR_XFER_CH_SMPTE240M,
VIDEO_COLOR_XFER_CH_LINEAR,
VIDEO_COLOR_XFER_CH_SRGB,
} video_color_transfer_characteristics_t;
typedef enum {
VIDEO_COLOR_COEF_UNDEFINED = 0x00,
VIDEO_COLOR_COEF_BT709,
VIDEO_COLOR_COEF_FCC,
VIDEO_COLOR_COEF_BT470_2BG,
VIDEO_COLOR_COEF_SMPTE170M,
VIDEO_COLOR_COEF_SMPTE240M,
} video_color_matrix_coefficients_t;
/* 4.2.1.2 */ /* 4.2.1.2 */
typedef enum { typedef enum {
VIDEO_NO_ERROR = 0, /* The request succeeded. */ VIDEO_NO_ERROR = 0, /* The request succeeded. */
@ -69,7 +98,7 @@ typedef enum
VIDEO_CS_VC_INTERFACE_PROCESSING_UNIT, VIDEO_CS_VC_INTERFACE_PROCESSING_UNIT,
VIDEO_CS_VC_INTERFACE_EXTENSION_UNIT, VIDEO_CS_VC_INTERFACE_EXTENSION_UNIT,
VIDEO_CS_VC_INTERFACE_ENCODING_UNIT, VIDEO_CS_VC_INTERFACE_ENCODING_UNIT,
} vide_cs_vc_interface_subtype_t; } video_cs_vc_interface_subtype_t;
/* A.6 */ /* A.6 */
typedef enum typedef enum
@ -278,6 +307,7 @@ typedef struct TU_ATTR_PACKED {
#define TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR_LEN 27 #define TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR_LEN 27
#define TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT_LEN 38 #define TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT_LEN 38
#define TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_DISC_LEN 26 #define TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_DISC_LEN 26
#define TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING_LEN 6
/* 2.2 compression formats */ /* 2.2 compression formats */
#define TUD_VIDEO_GUID_YUY2 0x59,0x55,0x59,0x32,0x00,0x00,0x10,0x00,0x00,0x80,0x71,0x9B,0x38,0x00,0xAA,0x00 #define TUD_VIDEO_GUID_YUY2 0x59,0x55,0x59,0x32,0x00,0x00,0x10,0x00,0x00,0x80,0x71,0x9B,0x38,0x00,0xAA,0x00
@ -296,8 +326,8 @@ typedef struct TU_ATTR_PACKED {
/* 3.7.2 */ /* 3.7.2 */
#define TUD_VIDEO_DESC_CS_VC(_bcdUVC, _totallen, _clkfreq, _coll, ...) \ #define TUD_VIDEO_DESC_CS_VC(_bcdUVC, _totallen, _clkfreq, _coll, ...) \
TUD_VIDEO_DESC_CS_VC_LEN + _coll, TUSB_DESC_CS_INTERFACE, VIDEO_CS_VC_INTERFACE_HEADER, \ TUD_VIDEO_DESC_CS_VC_LEN + (_coll), TUSB_DESC_CS_INTERFACE, VIDEO_CS_VC_INTERFACE_HEADER, \
U16_TO_U8S_LE(_bcdUVC), U16_TO_U8S_LE(_totallen + TUD_VIDEO_DESC_CS_VC_LEN), \ U16_TO_U8S_LE(_bcdUVC), U16_TO_U8S_LE((_totallen) + TUD_VIDEO_DESC_CS_VC_LEN + (_coll)), \
U32_TO_U8S_LE(_clkfreq), _coll, __VA_ARGS__ U32_TO_U8S_LE(_clkfreq), _coll, __VA_ARGS__
/* 3.7.2.1 */ /* 3.7.2.1 */
@ -307,30 +337,31 @@ typedef struct TU_ATTR_PACKED {
/* 3.7.2.2 */ /* 3.7.2.2 */
#define TUD_VIDEO_DESC_OUTPUT_TERM(_tid, _tt, _at, _srcid, _stridx) \ #define TUD_VIDEO_DESC_OUTPUT_TERM(_tid, _tt, _at, _srcid, _stridx) \
TUD_VIDEO_DESC_INPUT_TERM_LEN, TUSB_DESC_CS_INTERFACE, VIDEO_CS_VC_INTERFACE_OUTPUT_TERMINAL, \ TUD_VIDEO_DESC_OUTPUT_TERM_LEN, TUSB_DESC_CS_INTERFACE, VIDEO_CS_VC_INTERFACE_OUTPUT_TERMINAL, \
_tid, U16_TO_U8S_LE(_tt), _at, _stridx _tid, U16_TO_U8S_LE(_tt), _at, _srcid, _stridx
/* 3.9.1 */ /* 3.9.1 */
#define TUD_VIDEO_DESC_STD_VS(_itfnum, _alt, _epn, _stridx) \ #define TUD_VIDEO_DESC_STD_VS(_itfnum, _alt, _epn, _stridx) \
TUD_VIDEO_DESC_STD_VC_LEN, TUSB_DESC_INTERFACE, _itfnum, _alt, \ TUD_VIDEO_DESC_STD_VS_LEN, TUSB_DESC_INTERFACE, _itfnum, _alt, \
_epn, TUSB_CLASS_VIDEO, VIDEO_SUBCLASS_STREAMING, VIDEO_INT_PROTOCOL_CODE_15, _stridx _epn, TUSB_CLASS_VIDEO, VIDEO_SUBCLASS_STREAMING, VIDEO_INT_PROTOCOL_CODE_15, _stridx
/* 3.9.2.1 */ /* 3.9.2.1 */
#define TUD_VIDEO_DESC_CS_VS_INPUT(_numfmt, _totlen, _epn, _inf, _termlnk, _sticaptmeth, _trgspt, _trgusg, _ctlsz, ...) \ #define TUD_VIDEO_DESC_CS_VS_INPUT(_numfmt, _totallen, _ep, _inf, _termlnk, _sticaptmeth, _trgspt, _trgusg, _ctlsz, ...) \
TUD_VIDEO_DESC_CS_VS_IN_LEN + (_numfmt) * (_ctlsz), TUSB_DESC_CS_INTERFACE, \ TUD_VIDEO_DESC_CS_VS_IN_LEN + (_numfmt) * (_ctlsz), TUSB_DESC_CS_INTERFACE, \
VIDEO_CS_VS_INTERFACE_INPUT_HEADER, _numfmt, \ VIDEO_CS_VS_INTERFACE_INPUT_HEADER, _numfmt, \
U16_TO_U8S_LE(_totlen + TUD_VIDEO_DESC_CS_VS_IN_LEN + (_numfmt) * (_ctlsz)), \ U16_TO_U8S_LE((_totallen) + TUD_VIDEO_DESC_CS_VS_IN_LEN + (_numfmt) * (_ctlsz)), \
_epn, _inf, _termlnk, _sticaptmeth, _trgspt, _trgusg, _ctlsz, __VA_ARGS__ _ep, _inf, _termlnk, _sticaptmeth, _trgspt, _trgusg, _ctlsz, __VA_ARGS__
/* 3.9.2.2 */ /* 3.9.2.2 */
#define TUD_VIDEO_DESC_CS_VS_OUTPUT(_numfmt, _totlen, _epn, _inf, _termlnk, _ctlsz, ...) \ #define TUD_VIDEO_DESC_CS_VS_OUTPUT(_numfmt, _totallen, _ep, _inf, _termlnk, _ctlsz, ...) \
TUD_VIDEO_DESC_CS_VS_OUT_LEN + (_numfmt) * (_ctlsz), TUSB_DESC_CS_INTERFACE, \ TUD_VIDEO_DESC_CS_VS_OUT_LEN + (_numfmt) * (_ctlsz), TUSB_DESC_CS_INTERFACE, \
VIDEO_CS_VS_INTERFACE_OUTPUT_HEADER, _numfmt, \ VIDEO_CS_VS_INTERFACE_OUTPUT_HEADER, _numfmt, \
U16_TO_U8S_LE(_totlen + TUD_VIDEO_DESC_CS_VS_OUT_LEN + (_numfmt) * (_ctlsz)), \ U16_TO_U8S_LE((_totallen) + TUD_VIDEO_DESC_CS_VS_OUT_LEN + (_numfmt) * (_ctlsz)), \
_epn, _inf, _termlnk, _trgusg, _ctlsz, __VA_ARGS__ _ep, _inf, _termlnk, _ctlsz, __VA_ARGS__
/* Uncompressed 3.1.1 */ /* Uncompressed 3.1.1 */
#define TUD_VIDEO_GUID(_g0,_g1,_g2,_g3,_g4,_g5,_g6,_g7,_g8,_g9,_g10,_g11,_g12,_g13,_g14,_g15) _g0,_g1,_g2,_g3,_g4,_g5,_g6,_g7,_g8,_g9,_g10,_g11,_g12,_g13,_g14,_g15 #define TUD_VIDEO_GUID(_g0,_g1,_g2,_g3,_g4,_g5,_g6,_g7,_g8,_g9,_g10,_g11,_g12,_g13,_g14,_g15) _g0,_g1,_g2,_g3,_g4,_g5,_g6,_g7,_g8,_g9,_g10,_g11,_g12,_g13,_g14,_g15
#define TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR(_fmtidx, _numfrmdesc, \ #define TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR(_fmtidx, _numfrmdesc, \
_guid, _bitsperpix, _frmidx, _asrx, _asry, _interlace, _cp) \ _guid, _bitsperpix, _frmidx, _asrx, _asry, _interlace, _cp) \
TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR_LEN, TUSB_DESC_CS_INTERFACE, VIDEO_CS_VS_INTERFACE_FORMAT_UNCOMPRESSED, \ TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR_LEN, TUSB_DESC_CS_INTERFACE, VIDEO_CS_VS_INTERFACE_FORMAT_UNCOMPRESSED, \
@ -353,6 +384,12 @@ typedef struct TU_ATTR_PACKED {
_frmidx, _cap, U16_TO_U8S_LE(_width), U16_TO_U8S_LE(_height), U32_TO_U8S_LE(_minbr), U32_TO_U8S_LE(_maxbr), \ _frmidx, _cap, U16_TO_U8S_LE(_width), U16_TO_U8S_LE(_height), U32_TO_U8S_LE(_minbr), U32_TO_U8S_LE(_maxbr), \
U32_TO_U8S_LE(_maxfrmbufsz), U32_TO_U8S_LE(_frminterval), _numfrminterval, __VA_ARGS__ U32_TO_U8S_LE(_maxfrmbufsz), U32_TO_U8S_LE(_frminterval), _numfrminterval, __VA_ARGS__
/* 3.9.2.6 */
#define TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING(_color, _trns, _mat) \
TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING_LEN, \
TUSB_DESC_CS_INTERFACE, VIDEO_CS_VS_INTERFACE_COLORFORMAT, \
_color, _trns, _mat
/* 3.10.1.1 */ /* 3.10.1.1 */
#define TUD_VIDEO_DESC_EP_ISO(_ep, _epsize, _ep_interval) \ #define TUD_VIDEO_DESC_EP_ISO(_ep, _epsize, _ep_interval) \
7, TUSB_DESC_ENDPOINT, _ep, TUSB_XFER_ISOCHRONOUS | TUSB_ISO_EP_ATT_ASYNCHRONOUS,\ 7, TUSB_DESC_ENDPOINT, _ep, TUSB_XFER_ISOCHRONOUS | TUSB_ISO_EP_ATT_ASYNCHRONOUS,\

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@ -183,7 +183,7 @@ static void const* _find_desc_itf(void const *beg, void const *end, unsigned itf
static void const* _find_desc_entity(tusb_desc_vc_itf_t const *vc, unsigned entityid) static void const* _find_desc_entity(tusb_desc_vc_itf_t const *vc, unsigned entityid)
{ {
void const *beg = (void const*)vc; void const *beg = (void const*)vc;
void const *end = beg + vc->std.bLength + vc->ctl.bLength + vc->ctl.wTotalLength; void const *end = beg + vc->std.bLength + vc->ctl.wTotalLength;
for (void const *cur = beg; cur < end; cur = _find_desc(cur, end, TUSB_DESC_CS_INTERFACE)) { for (void const *cur = beg; cur < end; cur = _find_desc(cur, end, TUSB_DESC_CS_INTERFACE)) {
tusb_desc_cs_video_entity_itf_t const *itf = (tusb_desc_cs_video_entity_itf_t const *)cur; tusb_desc_cs_video_entity_itf_t const *itf = (tusb_desc_cs_video_entity_itf_t const *)cur;
if ((VIDEO_CS_VC_INTERFACE_INPUT_TERMINAL == itf->bDescriptorSubtype || if ((VIDEO_CS_VC_INTERFACE_INPUT_TERMINAL == itf->bDescriptorSubtype ||
@ -206,7 +206,7 @@ static bool _close_vc_itf(uint8_t rhport, videod_interface_t *self)
/* The next descriptor after the class-specific VC interface header descriptor. */ /* The next descriptor after the class-specific VC interface header descriptor. */
void const *cur = (void const*)vc + vc->std.bLength + vc->ctl.bLength; void const *cur = (void const*)vc + vc->std.bLength + vc->ctl.bLength;
/* The end of the video control interface descriptor. */ /* The end of the video control interface descriptor. */
void const *end = cur + vc->ctl.wTotalLength; void const *end = (void const*)vc + vc->std.bLength + vc->ctl.wTotalLength;
if (vc->std.bNumEndpoints) { if (vc->std.bNumEndpoints) {
/* Find the notification endpoint descriptor. */ /* Find the notification endpoint descriptor. */
cur = _find_desc(cur, end, TUSB_DESC_ENDPOINT); cur = _find_desc(cur, end, TUSB_DESC_ENDPOINT);
@ -224,21 +224,25 @@ static bool _close_vc_itf(uint8_t rhport, videod_interface_t *self)
* @param[in] altnum The target alternate setting number. */ * @param[in] altnum The target alternate setting number. */
static bool _open_vc_itf(uint8_t rhport, videod_interface_t *self, unsigned altnum) static bool _open_vc_itf(uint8_t rhport, videod_interface_t *self, unsigned altnum)
{ {
TU_LOG2(" open VC %d\r\n", altnum);
void const *beg = self->beg; void const *beg = self->beg;
void const *end = beg + self->len; void const *end = beg + self->len;
/* The first descriptor is a video control interface descriptor. */ /* The first descriptor is a video control interface descriptor. */
unsigned itfnum = ((tusb_desc_interface_t const *)beg)->bInterfaceNumber; unsigned itfnum = ((tusb_desc_interface_t const *)beg)->bInterfaceNumber;
void const *cur = _find_desc_itf(beg, end, itfnum, altnum); void const *cur = _find_desc_itf(beg, end, itfnum, altnum);
TU_LOG2(" cur %ld\r\n", cur - beg);
TU_VERIFY(cur < end); TU_VERIFY(cur < end);
tusb_desc_vc_itf_t const *vc = (tusb_desc_vc_itf_t const *)cur; tusb_desc_vc_itf_t const *vc = (tusb_desc_vc_itf_t const *)cur;
TU_LOG2(" bInCollection %d\r\n", vc->ctl.bInCollection);
/* Support for up to 2 streaming interfaces only. */ /* Support for up to 2 streaming interfaces only. */
TU_ASSERT(vc->ctl.bInCollection < 3); TU_ASSERT(vc->ctl.bInCollection < 3);
/* Update to point the end of the video control interface descriptor. */
end = cur + vc->std.bLength + vc->ctl.wTotalLength;
/* Advance to the next descriptor after the class-specific VC interface header descriptor. */ /* Advance to the next descriptor after the class-specific VC interface header descriptor. */
cur += vc->std.bLength + vc->ctl.bLength; cur += vc->std.bLength + vc->ctl.bLength;
/* Update to point the end of the video control interface descriptor. */ TU_LOG2(" bNumEndpoints %d\r\n", vc->std.bNumEndpoints);
end = cur + vc->ctl.wTotalLength;
/* Open the notification endpoint if it exist. */ /* Open the notification endpoint if it exist. */
if (vc->std.bNumEndpoints) { if (vc->std.bNumEndpoints) {
/* Support for 1 endpoint only. */ /* Support for 1 endpoint only. */
@ -266,7 +270,7 @@ static bool _close_vs_itf(uint8_t rhport, videod_interface_t *self, unsigned itf
/* The next of the video streaming interface header descriptor. */ /* The next of the video streaming interface header descriptor. */
void const *cur = (void const*)vs + vs->std.bLength + vs->stm.bLength; void const *cur = (void const*)vs + vs->std.bLength + vs->stm.bLength;
/* The end of the video streaming interface descriptor. */ /* The end of the video streaming interface descriptor. */
void const *end = cur + vs->stm.wTotalLength; void const *end = (void const*)vs + vs->std.bLength + vs->stm.wTotalLength;
for (unsigned i = 0; i < vs->std.bNumEndpoints; ++i) { for (unsigned i = 0; i < vs->std.bNumEndpoints; ++i) {
cur = _find_desc(cur, end, TUSB_DESC_ENDPOINT); cur = _find_desc(cur, end, TUSB_DESC_ENDPOINT);
TU_ASSERT(cur < end); TU_ASSERT(cur < end);
@ -285,6 +289,7 @@ static bool _close_vs_itf(uint8_t rhport, videod_interface_t *self, unsigned itf
* @param[in] altnum The target alternate setting number. */ * @param[in] altnum The target alternate setting number. */
static bool _open_vs_itf(uint8_t rhport, videod_interface_t *self, unsigned itfnum, unsigned altnum) static bool _open_vs_itf(uint8_t rhport, videod_interface_t *self, unsigned itfnum, unsigned altnum)
{ {
TU_LOG2(" open VS %d,%d\r\n", itfnum, altnum);
uint16_t *ofs = NULL; uint16_t *ofs = NULL;
for (unsigned i = 1; i < sizeof(self->ofs)/sizeof(self->ofs[0]); ++i) { for (unsigned i = 1; i < sizeof(self->ofs)/sizeof(self->ofs[0]); ++i) {
if (!self->ofs[i]) { if (!self->ofs[i]) {
@ -297,17 +302,17 @@ static bool _open_vs_itf(uint8_t rhport, videod_interface_t *self, unsigned itfn
tusb_desc_vc_itf_t const *vc = _get_desc_vc(self); tusb_desc_vc_itf_t const *vc = _get_desc_vc(self);
void const *end = self->beg + self->len; void const *end = self->beg + self->len;
/* Set the end of the video control interface descriptor. */ /* Set the end of the video control interface descriptor. */
void const *cur = (void const*)vc + vc->std.bLength + vc->ctl.bLength + vc->ctl.wTotalLength; void const *cur = (void const*)vc + vc->std.bLength + vc->ctl.wTotalLength;
cur = _find_desc_itf(cur, end, itfnum, altnum); cur = _find_desc_itf(cur, end, itfnum, altnum);
TU_VERIFY(cur < end); TU_VERIFY(cur < end);
tusb_desc_vs_itf_t const *vs = (tusb_desc_vs_itf_t const*)cur; tusb_desc_vs_itf_t const *vs = (tusb_desc_vs_itf_t const*)cur;
/* Support for up to 2 endpoint only. */ /* Support for up to 2 endpoint only. */
TU_ASSERT(vs->std.bNumEndpoints < 3); TU_ASSERT(vs->std.bNumEndpoints < 3);
/* Update to point the end of the video control interface descriptor. */
end = cur + vs->std.bLength + vs->stm.wTotalLength;
/* Advance to the next descriptor after the class-specific VS interface header descriptor. */ /* Advance to the next descriptor after the class-specific VS interface header descriptor. */
cur += vs->std.bLength + vs->stm.bLength; cur += vs->std.bLength + vs->stm.bLength;
/* Update to point the end of the video control interface descriptor. */
end = cur + vs->stm.wTotalLength;
for (unsigned i = 0; i < vs->std.bNumEndpoints; ++i) { for (unsigned i = 0; i < vs->std.bNumEndpoints; ++i) {
cur = _find_desc(cur, end, TUSB_DESC_ENDPOINT); cur = _find_desc(cur, end, TUSB_DESC_ENDPOINT);
TU_VERIFY(cur < end); TU_VERIFY(cur < end);
@ -612,7 +617,7 @@ uint16_t videod_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uin
itfnum = vc->ctl.baInterfaceNr[i]; itfnum = vc->ctl.baInterfaceNr[i];
if (!_open_vs_itf(rhport, self, itfnum, 0)) return 0; if (!_open_vs_itf(rhport, self, itfnum, 0)) return 0;
} }
return end - cur; return (uintptr_t)cur - (uintptr_t)itf_desc;
} }
// Invoked when a control transfer occurred on an interface of this class // Invoked when a control transfer occurred on an interface of this class