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moved ISO attributes from audio to common

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This commit is contained in:
kkitayam 2021-07-25 14:01:35 +09:00
parent e8de411322
commit 033d6b28ff
6 changed files with 541 additions and 222 deletions
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1
examples/rules.mk
View File

@ -35,6 +35,7 @@ SRC_C += \
src/class/msc/msc_device.c \
src/class/net/net_device.c \
src/class/usbtmc/usbtmc_device.c \
src/class/video/video_device.c \
src/class/vendor/vendor_device.c
# TinyUSB stack include

12
src/class/audio/audio.h
View File

@ -494,18 +494,6 @@ typedef enum
/// All remaining definitions are taken from the descriptor descriptions in the UAC2 main specification
/// Isochronous End Point Attributes
typedef enum
{
TUSB_ISO_EP_ATT_NO_SYNC = 0x00,
TUSB_ISO_EP_ATT_ASYNCHRONOUS = 0x04,
TUSB_ISO_EP_ATT_ADAPTIVE = 0x08,
TUSB_ISO_EP_ATT_SYNCHRONOUS = 0x0C,
TUSB_ISO_EP_ATT_DATA = 0x00, ///< Data End Point
TUSB_ISO_EP_ATT_EXPLICIT_FB = 0x10, ///< Feedback End Point
TUSB_ISO_EP_ATT_IMPLICIT_FB = 0x20, ///< Data endpoint that also serves as an implicit feedback
} tusb_iso_ep_attribute_t;
/// Audio Class-Control Values UAC2
typedef enum
{

85
src/class/video/video.h
View File

@ -29,6 +29,20 @@
#include "common/tusb_common.h"
/* 4.2.1.2 */
typedef enum {
VIDEO_NO_ERROR = 0, /* The request succeeded. */
VIDEO_NOT_READY,
VIDEO_WRONG_STATE,
VIDEO_POWER,
VIDEO_OUT_OF_RANGE,
VIDEO_INVALID_UNIT,
VIDEO_INVALID_CONTROL,
VIDEO_INVALID_REQUEST,
VIDEO_INVALID_VALUE_WITHIN_RANGE,
VIDEO_UNKNOWN = 0xFF,
} video_error_code_t;
/* A.2 */
typedef enum {
VIDEO_SUBCLASS_UNDEFINED = 0x00,
@ -103,14 +117,29 @@ typedef enum
VIDEO_REQUEST_GET_DEF_ALL = 0x97
} video_control_request_t;
/* A.9 */
/* A.9.1 */
typedef enum
{
VIDEO_CTL_SEL_UNDEF = 0x00,
VIDEO_CTL_SEL_VIDEO_POWER_MODE_CONTROL,
VIDEO_CTL_SEL_REQUEST_ERROR_CODE_CONTROL,
VIDEO_VC_CTL_UNDEF = 0x00,
VIDEO_VC_CTL_VIDEO_POWER_MODE,
VIDEO_VC_CTL_REQUEST_ERROR_CODE,
} video_interface_control_selector_t;
/* A.9.8 */
typedef enum
{
VIDEO_VS_CTL_UNDEF = 0x00,
VIDEO_VS_CTL_PROBE,
VIDEO_VS_CTL_COMMIT,
VIDEO_VS_CTL_STILL_PROBE,
VIDEO_VS_CTL_STILL_COMMIT,
VIDEO_VS_CTL_STILL_IMAGE_TRIGGER,
VIDEO_VS_CTL_STREAM_ERROR_CODE,
VIDEO_VS_CTL_GENERATE_KEY_FRAME,
VIDEO_VS_CTL_UPDATE_FRAME_SEGMENT,
VIDEO_VS_CTL_SYNCH_DELAY_CONTROL,
} video_interface_streaming_selector_t;
/* B. Terminal Types */
typedef enum
{
@ -193,8 +222,37 @@ typedef struct TU_ATTR_PACKED {
uint8_t bControlSize;
uint8_t bmaControls[];
} output;
};
} tusb_desc_cs_video_stm_itf_hdr_t;
//--------------------------------------------------------------------+
// Requests
//--------------------------------------------------------------------+
typedef struct TU_ATTR_PACKED {
uint16_t bmHint;
uint8_t bFormatIndex;
uint8_t bFrameIndex;
uint32_t dwFrameInterval;
uint16_t wKeyFrameRate;
uint16_t wPFrameRate;
uint16_t wCompQuality;
uint16_t wCompWindowSize;
uint16_t wDelay;
uint32_t dwMaxVideoFrameSize;
uint32_t dwMaxPayloadTransferSize;
uint32_t dwClockFrequency;
uint8_t bmFramingInfo;
uint8_t bPreferedVersion;
uint8_t bMinVersion;
uint8_t bMaxVersion;
uint8_t bUsage;
uint8_t bBitDepthLum;
uint8_t bmSettings;
uint8_t bMaxNumberOfRefFramesPlus1;
uint16_t bmRateControlModes;
uint64_t bmLayoutPerStream;
} video_probe_and_commit_t;
#define TUD_VIDEO_DESC_IAD_LEN 8
#define TUD_VIDEO_DESC_STD_VC_LEN 9
#define TUD_VIDEO_DESC_CS_VC_LEN 12
@ -225,18 +283,18 @@ typedef struct TU_ATTR_PACKED {
/* 3.7.2 */
#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, \
U16_TO_U8S_LE(_bcdUVC), U16_TO_U8S_LE(_totallen + TUD_VIDEO_DESC_CS_AC_LEN), \
U16_TO_U8S_LE(_bcdUVC), U16_TO_U8S_LE(_totallen + TUD_VIDEO_DESC_CS_VC_LEN), \
U32_TO_U8S_LE(_clkfreq), _coll, __VA_ARGS__
/* 3.7.2.1 */
#define TUD_VIDEO_DESC_INPUT_TERM(_tid, _tt, _at, _stridx) \
TUD_VIDEO_DESC_INPUT_TERM_LEN, TUSB_DESC_CS_INTERFACE, VIDEO_CS_VC_INTERFACE_INPUT_TERMINAL, \
_tid, U16_TO_U8S_LE(_tt), _at, _ti
_tid, U16_TO_U8S_LE(_tt), _at, _stridx
/* 3.7.2.2 */
#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, \
_tid, U16_TO_U8S_LE(_tt), _at, _ti
_tid, U16_TO_U8S_LE(_tt), _at, _stridx
/* 3.9.1 */
#define TUD_VIDEO_DESC_STD_VS(_itfnum, _alt, _epn, _stridx) \
@ -258,14 +316,15 @@ typedef struct TU_ATTR_PACKED {
_epn, _inf, _termlnk, _trgusg, _ctlsz, __VA_ARGS__
/* 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_DESC_CS_VS_FMT_UNCOMPR(_fmtidx, _numfrmdesc, \
_g0,_g1,_g2,_g3,_g4,_g5,_g6,_g7,_g8,_g9,_g10,_g11,_g12,_g13,_g14,_g15, \
_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, \
_fmtidx, _numfrmdesc,\
_g0,_g1,_g2,_g3,_g4,_g5,_g6,_g7,_g8,_g9,_g10,_g11,_g12,_g13,_g14,_g15,\
_fmtidx, _numfrmdesc, TUD_VIDEO_GUID(_guid), \
_bitsperpix, _frmidx, _asrx, _asry, _interlace, _cp
// _g0,_g1,_g2,_g3,_g4,_g5,_g6,_g7,_g8,_g9,_g10,_g11,_g12,_g13,_g14,_g15,
/* Uncompressed 3.1.2 Table 3-3 */
#define TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT(_frmidx, _cap, _width, _height, _minbr, _maxbr, _maxfrmbufsz, _frminterval, _minfrminterval, _maxfrminterval, _frmintervalstep) \
TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT_LEN, TUSB_DESC_CS_INTERFACE, VIDEO_CS_VS_INTERFACE_FRAME_UNCOMPRESSED, \
@ -281,12 +340,12 @@ typedef struct TU_ATTR_PACKED {
U32_TO_U8S_LE(_maxfrmbufsz), U32_TO_U8S_LE(_frminterval), _numfrminterval, __VA_ARGS__
/* 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,\
U16_TO_U8S_LE(_epsize), _ep_interval
/* 3.10.1.2 */
#define TUD_VIDEO_DESC_EP_BULK(_ep, _epsize, _ep_interval)
#define TUD_VIDEO_DESC_EP_BULK(_ep, _epsize, _ep_interval) \
7, TUSB_DESC_ENDPOINT, _ep, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), _ep_interval
#endif

640
src/class/video/video_device.c
View File

@ -53,33 +53,32 @@ typedef struct {
tusb_desc_cs_video_stm_itf_hdr_t stm;
} tusb_desc_vs_itf_t;
typedef union {
tusb_desc_cs_video_ctl_itf_hdr_t ctl;
tusb_desc_cs_video_stm_itf_hdr_t stm;
} tusb_desc_video_itf_hdr_t;
typedef struct TU_ATTR_PACKED {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubtype;
union {
uint8_t bId;
uint8_t bTerminalId;
uint8_t bUnitId;
};
uint8_t bEntityId;
} tusb_desc_cs_video_entity_itf_t;
typedef struct
{
void const *beg;
void const *end;
tusb_desc_vc_itf_t const *vc; /* current video control interface */
tusb_desc_vs_itf_t const *vs[2]; /* current video streaming interfaces */
uint8_t ep_notif; /* notification */
uint8_t ep_in; /* video IN */
uint8_t ep_sti; /* still image IN */
uint8_t ep_out; /* video OUT */
void const *beg; /* The head of the first video control interface descriptor */
uint16_t len; /* Byte length of the descriptors */
uint16_t ofs[3]; /* offsets for video control/streaming interface. 0:control 1:streaming 2:streaming */
uint8_t power_mode;
uint8_t error_code;
/*------------- From this point, data is not cleared by bus reset -------------*/
// Endpoint Transfer buffer
CFG_TUSB_MEM_ALIGN uint8_t epout_buf[CFG_TUD_CDC_EP_BUFSIZE];
CFG_TUSB_MEM_ALIGN uint8_t epin_buf[CFG_TUD_CDC_EP_BUFSIZE];
// CFG_TUSB_MEM_ALIGN uint8_t epout_buf[CFG_TUD_CDC_EP_BUFSIZE];
// CFG_TUSB_MEM_ALIGN uint8_t epin_buf[CFG_TUD_CDC_EP_BUFSIZE];
uint8_t ctl_buf;
} videod_interface_t;
@ -90,6 +89,26 @@ typedef struct
//--------------------------------------------------------------------+
CFG_TUSB_MEM_SECTION static videod_interface_t _videod_itf[CFG_TUD_VIDEO];
static uint8_t const _cap_get = 0x1u; /* support for GET */
static uint8_t const _cap_get_set = 0x3u; /* support for GET and SET */
static tusb_desc_vc_itf_t const* _get_desc_vc(videod_interface_t const *self)
{
return (tusb_desc_vc_itf_t const *)(self->beg + self->ofs[0]);
}
static uint16_t* _get_desc_ofs(videod_interface_t *self, unsigned itfnum)
{
void const *beg = self->beg;
uint16_t *ofs = self->ofs;
for (unsigned i = 1; i < sizeof(self->ofs)/sizeof(self->ofs[0]); ++i) {
if (!ofs[i]) continue;
tusb_desc_interface_t const* itf = (tusb_desc_interface_t const*)(beg + ofs[i]);
if (itfnum == itf->bInterfaceNumber) return &ofs[i];
}
return NULL;
}
/** Find the first descriptor with the specified descriptor type.
*
* @param[in] beg The head of descriptor byte array.
@ -98,13 +117,31 @@ CFG_TUSB_MEM_SECTION static videod_interface_t _videod_itf[CFG_TUD_VIDEO];
*
* @return The pointer for interface descriptor.
* @retval end did not found interface descriptor */
static void const* videod_find_desc(void const *beg, void const *end, uint8_t target)
static void const* _find_desc(void const *beg, void const *end, uint8_t target)
{
for (void const *cur = beg; cur < end; cur = tu_desc_next(cur)) {
if (target != tu_desc_type(cur))
return (uint8_t const*)cur;
void const *cur = beg;
while ((cur < end) && (target != tu_desc_type(cur))) {
cur = tu_desc_next(cur);
}
return end;
return cur;
}
/** Return the next interface descriptor except alternate ones.
*
* @param[in] beg The head of descriptor byte array.
* @param[in] end The tail of descriptor byte array.
*
* @return The pointer for interface descriptor.
* @retval end did not found interface descriptor */
static void const* _next_desc_itf(void const *beg, void const *end)
{
void const *cur = beg;
unsigned itfnum = ((tusb_desc_interface_t const*)cur)->bInterfaceNumber;
while ((cur < end) &&
(itfnum == ((tusb_desc_interface_t const*)cur)->bInterfaceNumber)) {
cur = _find_desc(tu_desc_next(cur), end, TUSB_DESC_INTERFACE);
}
return cur;
}
/** Find the first interface descriptor with the specified interface number and alternate setting number.
@ -116,11 +153,11 @@ static void const* videod_find_desc(void const *beg, void const *end, uint8_t ta
*
* @return The pointer for interface descriptor.
* @retval end did not found interface descriptor */
static void const* videod_find_desc_itf(void const *beg, void const *end, unsigned itfnum, unsigned altnum)
static void const* _find_desc_itf(void const *beg, void const *end, unsigned itfnum, unsigned altnum)
{
for (void const *cur = beg; cur < end; cur = videod_find_desc(cur, end, TUSB_DESC_INTERFACE)) {
for (void const *cur = beg; cur < end; cur = _find_desc(cur, end, TUSB_DESC_INTERFACE)) {
tusb_desc_interface_t const *itf = (tusb_desc_interface_t const *)cur;
if (itf->bInterfaceNumber == itfnum && itf->bAlternateSettings == altnum) {
if (itf->bInterfaceNumber == itfnum && itf->bAlternateSetting == altnum) {
return itf;
}
cur = tu_desc_next(cur);
@ -128,21 +165,22 @@ static void const* videod_find_desc_itf(void const *beg, void const *end, unsign
return end;
}
/** Find the first input or output terminal descriptor with the specified terminal id.
/** Find the first entity descriptor with the specified entity ID in the video control interface descriptor.
*
* @param[in] beg The head of descriptor byte array.
* @param[in] end The tail of descriptor byte array.
* @param[in] termid The target terminal id.
* @param[in] vc The video control interface descriptor.
* @param[in] entityid The target entity id.
*
* @return The pointer for interface descriptor.
* @retval end did not found interface descriptor */
static void const* videod_find_desc_term(void const *beg, void const *end, unsigned termid)
static void const* _find_desc_entity(tusb_desc_vc_itf_t const *vc, unsigned entityid)
{
for (void const *cur = beg; cur < end; cur = videod_find_desc(cur, end, TUSB_DESC_CS_INTERFACE)) {
void const *beg = (void const*)vc;
void const *end = beg + vc->std.bLength + vc->ctl.bLength + vc->ctl.wTotalLength;
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;
if ((VIDEO_CS_VC_INTERFACE_INPUT_TERMINAL == itf->bDescriptorSubtype ||
VIDEO_CS_VC_INTERFACE_OUTPUT_TERMINAL == itf->bDescriptorSubtype) &&
itf->bTerminalId == termid) {
itf->bEntityId == entityid) {
return itf;
}
cur = tu_desc_next(cur);
@ -150,47 +188,72 @@ static void const* videod_find_desc_term(void const *beg, void const *end, unsig
return end;
}
/** Find the first selector/processing/extension/encoding unit descriptor with the specified unit id.
*
* @param[in] beg The head of descriptor byte array.
* @param[in] end The tail of descriptor byte array.
* @param[in] unitid The target unit id.
*
* @return The pointer for interface descriptor.
* @retval end did not found interface descriptor */
static void const* videod_find_desc_unit(void const *beg, void const *end, unsigned unitid)
static bool _close_vc_itf(uint8_t rhport, videod_interface_t *self)
{
for (void const *cur = beg; cur < end; cur = videod_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;
if (VIDEO_CS_VC_INTERFACE_SELECTOR_UNIT <= itf->bDescriptorSubtype &&
itf->bDescriptorSubtype <= VIDEO_CS_VC_INTERFACE_ENCODING_UNIT &&
itf->bUnitId == unitid) {
return itf;
tusb_desc_vc_itf_t const *vc = _get_desc_vc(self);
/* The next descriptor after the class-specific VC interface header descriptor. */
void const *cur = (void const*)vc + vc->std.bLength + vc->ctl.bLength;
/* The end of the video control interface descriptor. */
void const *end = cur + vc->ctl.wTotalLength;
if (vc->std.bNumEndpoints) {
/* Find the notification endpoint descriptor. */
cur = _find_desc(cur, end, TUSB_DESC_ENDPOINT);
TU_ASSERT(cur < end);
tusb_desc_endpoint_t const *notif = (tusb_desc_endpoint_t const *)cur;
usbd_edpt_close(rhport, notif->bEndpointAddress);
}
cur = tu_desc_next(cur);
self->ofs[0] = 0;
return true;
}
static bool _open_vc_itf(uint8_t rhport, videod_interface_t *self, unsigned altnum)
{
void const *beg = self->beg;
void const *end = beg + self->len;
/* The first descriptor is a video control interface descriptor. */
unsigned itfnum = ((tusb_desc_interface_t const *)beg)->bInterfaceNumber;
void const *cur = _find_desc_itf(beg, end, itfnum, altnum);
TU_VERIFY(cur < end);
tusb_desc_vc_itf_t const *vc = (tusb_desc_vc_itf_t const *)cur;
/* Support for up to 2 streaming interfaces only. */
TU_ASSERT(vc->ctl.bInCollection < 3);
/* Advance to the next descriptor after the class-specific VC interface header descriptor. */
cur += vc->std.bLength + vc->ctl.bLength;
/* Update to point the end of the video control interface descriptor. */
end = cur + vc->ctl.wTotalLength;
/* Open the notification endpoint if it exist. */
if (vc->std.bNumEndpoints) {
/* Support for 1 endpoint only. */
TU_VERIFY(1 == vc->std.bNumEndpoints);
/* Find the notification endpoint descriptor. */
cur = _find_desc(cur, end, TUSB_DESC_ENDPOINT);
TU_VERIFY(cur < end);
tusb_desc_endpoint_t const *notif = (tusb_desc_endpoint_t const *)cur;
/* Open the notification endpoint */
TU_ASSERT(usbd_edpt_open(rhport, notif));
}
return end;
self->ofs[0] = (void const*)vc - beg;
return true;
}
/** Set the specified alternate setting to own video control interface.
*
* @param[in,out] self The context.
* @param[in] altnum The target alternate setting number.
*
* @return The next descriptor after the video control interface descriptor.
* @retval NULL did not found interface descriptor or alternate setting */
static void const* videod_set_vc_itf(videod_interface_t *self, unsigned altnum)
* @param[in] altnum The target alternate setting number. */
static bool _set_vc_itf(uint8_t rhport, videod_interface_t *self, unsigned altnum)
{
void const *beg = self->beg;
void const *end = self->end;
void const *end = beg + self->len;
/* The head descriptor is a video control interface descriptor. */
unsigned itfnum = ((tusb_desc_interface_t const *)beg)->bInterfaceNumber;
void const *cur = videod_find_desc_itf(beg, end, itfnum, altnum);
TU_VERIFY(cur < end, NULL);
void const *cur = _find_desc_itf(beg, end, itfnum, altnum);
TU_VERIFY(cur < end);
tusb_desc_vc_itf_t const *vc = (tusb_desc_vc_itf_t const *)cur;
/* Support for up to 2 streaming interfaces only. */
TU_VERIFY(vc->ctl.bInCollection < 3, NULL);
TU_VERIFY(vc->ctl.bInCollection < 3);
/* Close the previous notification endpoint if it is opened */
if (self->ep_notif) {
@ -204,42 +267,104 @@ static void const* videod_set_vc_itf(videod_interface_t *self, unsigned altnum)
/* Open the notification endpoint if it exist. */
if (vc->std.bNumEndpoints) {
/* Support for 1 endpoint only. */
TU_VERIFY(1 == vc->std.bNumEndpoints, NULL);
TU_VERIFY(1 == vc->std.bNumEndpoints);
/* Find the notification endpoint descriptor. */
cur = videod_find_desc(cur, end, TUSB_DESC_ENDPOINT);
TU_VERIFY(cur < end, NULL);
cur = _find_desc(cur, end, TUSB_DESC_ENDPOINT);
TU_VERIFY(cur < end);
tusb_desc_endpoint_t const *notif = (tusb_desc_endpoint_t const *)cur;
/* Open the notification endpoint */
TU_ASSERT(usbd_edpt_open(rhport, notif), NULL);
TU_ASSERT(usbd_edpt_open(rhport, notif));
self->ep_notif = notif->bEndpointAddress;
}
self->vc = vc;
return end;
self->ofs[0] = (void const*)vc - beg;
return true;
}
/** Set the specified alternate setting to own video control interface.
*
* @param[in,out] self The context.
* @param[in] itfnum The target interface number. */
static bool _close_vs_itf(uint8_t rhport, videod_interface_t *self, unsigned itfnum)
{
uint16_t *ofs = _get_desc_ofs(self, itfnum);
if (!ofs) return true;
tusb_desc_vs_itf_t const *vs = (tusb_desc_vs_itf_t const*)(self->beg + *ofs);
/* The next of the video streaming interface header descriptor. */
void const *cur = (void const*)vs + vs->std.bLength + vs->stm.bLength;
/* The end of the video streaming interface descriptor. */
void const *end = cur + vs->stm.wTotalLength;
if (unsigned i = 0; i < vs->std.bNumEndpoints; ++i) {
cur = _find_desc(cur, end, TUSB_DESC_ENDPOINT);
TU_ASSERT(cur < end);
tusb_desc_endpoint_t const *ep = (tusb_desc_endpoint_t const *)cur;
usbd_edpt_close(rhport, ep->bEndpointAddress);
cur += tu_desc_len(cur);
}
*ofs = 0;
return true;
}
/** Set the specified alternate setting to own video control interface.
*
* @param[in,out] self The context.
* @param[in] itfnum The target interface number.
* @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)
{
uint16_t *ofs = NULL;
for (unsigned i = 1; i < sizeof(self->ofs)/sizeof(self->ofs[0]); ++i) {
if (!self->ofs[i]) {
ofs = &self->ofs[i];
break;
}
}
if (!ofs) return false;
tusb_desc_vc_itf_t const *vc = _get_desc_vc(self);
void const *end = self->beg + self->len;
/* Set the end of the video control interface descriptor. */
void const *cur = (void const*)vc + vc->std.bLength + vc->ctl.bLength + vc->ctl.wTotalLength;
cur = _find_desc_itf(cur, end, itfnum, altnum);
TU_VERIFY(cur < end);
tusb_desc_vs_itf_t const *vs = (tusb_desc_vs_itf_t const*)cur;
/* Support for up to 2 endpoint only. */
TU_ASSERT(vs->std.bNumEndpoints < 3);
/* Advance to the next descriptor after the class-specific VS interface header descriptor. */
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) {
cur = _find_desc(cur, end, TUSB_DESC_ENDPOINT);
TU_VERIFY(cur < end);
tusb_desc_endpoint_t const *ep = (tusb_desc_endpoint_t const *)cur;
TU_ASSERT(usbd_edpt_open(rhport, ep));
cur += tu_desc_len(cur);
}
*ofs = (void const*)vs - self->beg;
return true;
}
/** Set the specified alternate setting to own video control interface.
*
* @return The next descriptor after the video control interface descriptor.
* @retval NULL did not found interface descriptor or alternate setting */
static void const* videod_set_vs_itf(videod_interface_t *self, unsigned itfnum, unsigned altnum)
* @param[in,out] self The context.
* @param[in] itfnum The target interface number.
* @param[in] altnum The target alternate setting number. */
static bool _set_vs_itf(uint8_t rhport, videod_interface_t *self, unsigned itfnum, unsigned altnum)
{
unsigned i;
tusb_desc_vc_itf_t const *vc = self->vc;
void const *end = self->end;
tusb_desc_vc_itf_t const *vc = _get_desc_vc(self);
void const *end = self->beg + self->len;
/* Set the end of the video control interface descriptor. */
void const *cur = (void const*)vc + vc->std.bLength + vc->ctl.bLength + vc->ctl.wTotalLength;
/* Check itfnum is valid */
unsigned bInCollection = self->vc->ctl.bInCollection;
unsigned bInCollection = vc->ctl.bInCollection;
for (i = 0; (i < bInCollection) && (vc->ctl.baInterfaceNr[i] != itfnum); ++i) ;
TU_VERIFY(i < bInCollection, NULL);
TU_VERIFY(i < bInCollection);
cur = videod_find_desc_itf(cur, end, itfnum, altnum);
TU_VERIFY(cur < end, NULL);
cur = _find_desc_itf(cur, end, itfnum, altnum);
TU_VERIFY(cur < end);
tusb_desc_vs_itf_t const *vs = (tusb_desc_vs_itf_t const*)cur;
/* Advance to the next descriptor after the class-specific VS interface header descriptor. */
cur += vs->std.bLength + vs->stm.bLength;
@ -247,10 +372,10 @@ static void const* videod_set_vs_itf(videod_interface_t *self, unsigned itfnum,
end = cur + vs->stm.wTotalLength;
switch (vs->stm.bDescriptorSubType) {
default: return end;
default: return false;
case VIDEO_CS_VS_INTERFACE_INPUT_HEADER:
/* Support for up to 2 endpoint only. */
TU_VERIFY(vc->std.bNumEndpoints < 3, NULL);
TU_VERIFY(vc->std.bNumEndpoints < 3);
if (self->ep_sti) {
usbd_edpt_close(rhport, self->ep_sti);
self->ep_sti = 0;
@ -260,18 +385,18 @@ static void const* videod_set_vs_itf(videod_interface_t *self, unsigned itfnum,
self->ep_in = 0;
}
if (i = 0; i < vs->std.bNumEndpoints; ++i) {
cur = videod_find_desc(cur, end, TUSB_DESC_ENDPOINT);
TU_VERIFY(cur < end, NULL);
cur = _find_desc(cur, end, TUSB_DESC_ENDPOINT);
TU_VERIFY(cur < end);
tusb_desc_endpoint_t const *ep = (tusb_desc_endpoint_t const *)cur;
if (vs->stm.bEndpointAddress == ep->bEndpointAddress) {
/* video input endpoint */
TU_ASSERT(!self->ep_in, NULL);
TU_ASSERT(usbd_edpt_open(rhport, ep), NULL);
TU_ASSERT(!self->ep_in);
TU_ASSERT(usbd_edpt_open(rhport, ep));
self->ep_in = ep->bEndpointAddress;
} else {
/* still image input endpoint */
TU_ASSERT(!self->ep_sti, NULL);
TU_ASSERT(usbd_edpt_open(rhport, ep), NULL);
TU_ASSERT(!self->ep_sti);
TU_ASSERT(usbd_edpt_open(rhport, ep));
self->ep_sti = ep->bEndpointAddress;
}
cur += tu_desc_len(cur);
@ -279,78 +404,245 @@ static void const* videod_set_vs_itf(videod_interface_t *self, unsigned itfnum,
break;
case VIDEO_CS_VS_INTERFACE_OUTPUT_HEADER:
/* Support for up to 1 endpoint only. */
TU_VERIFY(vc->std.bNumEndpoints < 2, NULL);
TU_VERIFY(vc->std.bNumEndpoints < 2);
if (self->ep_out) {
usbd_edpt_close(rhport, self->ep_out);
self->ep_out = 0;
}
if (vs->std.bNumEndpoints) {
cur = videod_find_desc(cur, end, TUSB_DESC_ENDPOINT);
TU_VERIFY(cur < end, NULL);
cur = _find_desc(cur, end, TUSB_DESC_ENDPOINT);
TU_VERIFY(cur < end);
tusb_desc_endpoint_t const *ep = (tusb_desc_endpoint_t const *)cur;
if (vs->stm.bEndpointAddress == ep->bEndpointAddress) {
/* video output endpoint */
TU_ASSERT(usbd_edpt_open(rhport, ep), NULL);
TU_ASSERT(usbd_edpt_open(rhport, ep));
self->ep_out = ep->bEndpointAddress;
}
}
break;
}
for (i = 0; i < sizeof(self->vs)/sizeof(self->vs[0]); ++i) {
if (!self->vs[i] || self->vs[i].stm.bInterfaceNumber == vs->stm.bInterfaceNumber) {
self->vs[i] = vs;
return end;
for (unsigned i = 1; i < sizeof(self->ofs)/sizeof(ofs[0]); ++i) {
if (!self->ofs[i]) {
return true;
}
tusb_desc_interface_t const* itf = (tusb_desc_interface_t const*)(beg + ofs[i]);
if (itfnum == itf->bInterfaceNumber) return itf;
}
return NULL;
for (i = 0; i < sizeof(self->vs)/sizeof(self->vs[0]); ++i) {
if (!self->vs[i] || self->vs[i].stm.bInterfaceNumber == vs->stm.bInterfaceNumber) {
self->ofs[i] = (void const*)vs - self->beg;
return true;
}
}
return false;
}
static bool videod_get_itf(uint8_t rhport, videod_interface_t *self, tusb_control_request_t const * request)
static int handle_video_ctl_std_req_get_itf(uint8_t rhport, uint8_t stage, tusb_control_request_t const *request, unsigned itf)
{
unsigned altnum = tu_u16_low(p_request->wValue);
unsigned itfnum = tu_u16_low(p_request->wLength);
tusb_desc_vc_itf_t const *vc = self->vc;
if (vc->std.bInterfaceNumber == itfnum) {
tud_control_xfer(rhport, request, &vc->std.bAlternateSettings, sizeof(vc->std.bAlternateSettings));
return true;
}
for (unsigned i = 0; i < vc->ctl.bInCollection; ++i) {
tusb_desc_vs_itf_t const *vs = self->vs[i];
if (!vs || vs->std.bInterfaceNumber == itfnum) {
continue;
}
tud_control_xfer(rhport, request, &vs->std.bAlternateSettings, sizeof(vs->std.bAlternateSettings));
return true;
}
return false;
if (stage != CONTROL_STAGE_SETUP)
return VIDEO_NO_ERROR;
videod_interface_t *self = &_videod_itf[itf];
TU_VERIFY(1 == request->wLength, VIDEO_UNKNOWN);
tusb_desc_interface_t const *p = _get_desc_cur_itf(self, itfnum);
if (!p) return VIDEO_UNKNOWN;
if (tud_control_xfer(rhport, request, &p->bAlternateSettings, sizeof(p->bAlternateSettings)))
return VIDEO_NO_ERROR;
return VIDEO_UNKNOWN;
}
static bool videod_set_itf(uint8_t rhport, videod_interface_t *self, tusb_control_request_t const * request)
/** Handle a standard request to the video control interface. */
static int handle_video_ctl_std_req(uint8_t rhport, uint8_t stage, tusb_control_request_t const *request, unsigned itf)
{
(void)rhport;
unsigned altnum = tu_u16_low(p_request->wValue);
unsigned itfnum = tu_u16_low(p_request->wLength);
tusb_desc_vc_itf_t const *vc = self->vc;
if (vc->std.bInterfaceNumber == itfnum) {
if (videod_set_vc_itf(self, altnum))
return true;
return false;
switch (p_request->bRequest) {
case TUSB_REQ_GET_INTERFACE:
handle_video_ctl_std_req_get_itf(rhport, stage, request, itf);
case TUSB_REQ_SET_INTERFACE:
if (stage != CONTROL_STAGE_SETUP) return VIDEO_NO_ERROR;
if (_set_vc_itf(rhport, &_videod_itf[itf], request->wValue))
return VIDEO_NO_ERROR;
return VIDEO_UNKNOWN;
default: /* Unknown/Unsupported request */
TU_BREAKPOINT();
return VIDEO_INVALID_REQUEST;
}
for (unsigned i = 0; i < vc->ctl.bInCollection; ++i) {
tusb_desc_vs_itf_t const *vs = self->vs[i];
if (!vs || vs->std.bInterfaceNumber == itfnum) {
continue;
}
if (videod_set_vs_itf(self, itfnum, altnum))
return true;
return false;
}
return false;
}
static void _prep_out_transaction (cdcd_interface_t* p_cdc)
static int handle_video_ctl_cs_req(uint8_t rhport, uint8_t stage, tusb_control_request_t const *request, unsigned itf)
{
videod_interface_t *self = &_videod_itf[i];
/* 4.2.1 Interface Control Request */
switch (TU_U16_HIGH(request->wValue)) {
case VIDEO_VC_CTL_VIDEO_POWER_MODE:
switch (p_request->bRequest) {
case VIDEO_REQUEST_SET_CUR:
if (stage == CONTROL_STAGE_SETUP) {
TU_LOG2(" Set Power Mode\r\n");
TU_VERIFY(1 == request->wLength, VIDEO_UNKNOWN);
if (!tud_control_xfer(rhport, request, &self->power_mode, sizeof(self->power_mode)))
return VIDEO_UNKNOWN;
} else if (stage == CONTROL_STAGE_ACK) {
if (tud_video_power_mode_cb) return tud_video_power_mode_cb(itf, &self->power_mode);
}
return VIDEO_NO_ERROR;
case VIDEO_REQUEST_GET_CUR:
if (stage == CONTROL_STAGE_SETUP) {
TU_LOG2(" Get Power Mode\r\n");
TU_VERIFY(1 == request->wLength, VIDEO_UNKNOWN);
if (!tud_control_xfer(rhport, request, &self->power_mode, sizeof(self->power_mode)))
return VIDEO_UNKNOWN;
}
return VIDEO_NO_ERROR;
case VIDEO_REQUEST_GET_INFO:
if (stage == CONTROL_STAGE_SETUP) {
TU_LOG2(" Get Info Power Mode\r\n");
TU_VERIFY(1 == request->wLength, VIDEO_UNKNOWN);
if (!tud_control_xfer(rhport, request, &_cap_get_set, sizeof(_cap_get_set)))
return VIDEO_UNKNOWN;
}
return VIDEO_NO_ERROR;
default: break;
}
break;
case VIDEO_VC_CTL_REQUEST_ERROR_CODE:
switch (p_request->bRequest) {
case VIDEO_REQUEST_GET_CUR:
if (stage == CONTROL_STAGE_SETUP) {
TU_LOG2(" Get Error Code\r\n");
if (!tud_control_xfer(rhport, request, &self->error_code, sizeof(self->error_code)))
return VIDEO_UNKNOWN;
}
return VIDEO_NO_ERROR;
case VIDEO_REQUEST_GET_INFO:
if (stage == CONTROL_STAGE_SETUP) {
TU_LOG2(" Get Info Error Code\r\n");
if (tud_control_xfer(rhport, request, &_cap_get, sizeof(_cap_get)))
return VIDEO_UNKNOWN;
}
return VIDEO_NO_ERROR;
default: break;
}
break;
default: break;
}
/* Unknown/Unsupported request */
TU_BREAKPOINT();
return VIDEO_INVALID_REQUEST;
}
static int handle_video_ctl_req(uint8_t rhport, uint8_t stage, tusb_control_request_t const *request, unsigned itf)
{
switch (p_request->bmRequestType_bit.type) {
case TUSB_REQ_TYPE_STANDARD:
return handle_video_ctl_std_req(rhport, stage, request, itf);
case TUSB_REQ_TYPE_CLASS:
if (!TU_U16_HIGH(request->wIndex)) {
return handle_video_ctl_cs_req(rhport, stage, request, itf);
} else {
/* TODO: */
return VIDEO_INVALID_REQUEST;
}
default:
return VIDEO_INVALID_REQUEST;
}
}
static int handle_video_stm_std_req(uint8_t rhport, uint8_t stage, tusb_control_request_t const *request, unsigned itf)
{
switch (p_request->bRequest) {
case TUSB_REQ_GET_INTERFACE:
handle_video_ctl_std_req_get_itf(rhport, stage, request, itf);
case TUSB_REQ_SET_INTERFACE:
videod_interface_t *self = &_videod_itf[itf];
unsigned itfnum = tu_u16_low(p_request->wIndex);
if (stage != CONTROL_STAGE_SETUP) return VIDEO_NO_ERROR;
if (_set_vs_itf(rhport, self, itfnum, request->wValue))
return VIDEO_NO_ERROR;
return VIDEO_UNKNOWN;
default: /* Unknown/Unsupported request */
TU_BREAKPOINT();
return VIDEO_INVALID_REQUEST;
}
}
static int handle_video_stm_cs_req(uint8_t rhport, uint8_t stage, tusb_control_request_t const *request, unsigned itf)
{
videod_interface_t *self = &_videod_itf[i];
/* 4.2.1 Interface Control Request */
switch (TU_U16_HIGH(request->wValue)) {
case VIDEO_VS_CTL_PROBE:
switch (p_request->bRequest) {
case VIDEO_REQUEST_SET_CUR:
if (stage == CONTROL_STAGE_SETUP) {
TU_LOG2(" Set Power Mode\r\n");
TU_VERIFY(1 == request->wLength, VIDEO_UNKNOWN);
if (!tud_control_xfer(rhport, request, &self->power_mode, sizeof(self->power_mode)))
return VIDEO_UNKNOWN;
} else if (stage == CONTROL_STAGE_ACK) {
if (tud_video_power_mode_cb) return tud_video_power_mode_cb(itf, &self->power_mode);
}
return VIDEO_NO_ERROR;
case VIDEO_REQUEST_GET_CUR:
if (stage == CONTROL_STAGE_SETUP) {
TU_LOG2(" Get Power Mode\r\n");
TU_VERIFY(1 == request->wLength, VIDEO_UNKNOWN);
if (!tud_control_xfer(rhport, request, &self->power_mode, sizeof(self->power_mode)))
return VIDEO_UNKNOWN;
}
return VIDEO_NO_ERROR;
case VIDEO_REQUEST_GET_INFO:
if (stage == CONTROL_STAGE_SETUP) {
TU_LOG2(" Get Info Power Mode\r\n");
TU_VERIFY(1 == request->wLength, VIDEO_UNKNOWN);
if (!tud_control_xfer(rhport, request, &_cap_get_set, sizeof(_cap_get_set)))
return VIDEO_UNKNOWN;
}
return VIDEO_NO_ERROR;
default: break;
}
break;
case VIDEO_VS_CTL_COMMIT:
switch (p_request->bRequest) {
case VIDEO_REQUEST_GET_CUR:
if (stage == CONTROL_STAGE_SETUP) {
TU_LOG2(" Get Error Code\r\n");
if (!tud_control_xfer(rhport, request, &self->error_code, sizeof(self->error_code)))
return VIDEO_UNKNOWN;
}
return VIDEO_NO_ERROR;
case VIDEO_REQUEST_GET_INFO:
if (stage == CONTROL_STAGE_SETUP) {
TU_LOG2(" Get Info Error Code\r\n");
if (tud_control_xfer(rhport, request, &_cap_get, sizeof(_cap_get)))
return VIDEO_UNKNOWN;
}
return VIDEO_NO_ERROR;
default: break;
}
break;
default: break;
}
/* Unknown/Unsupported request */
TU_BREAKPOINT();
return VIDEO_INVALID_REQUEST;
}
static int handle_video_stm_req(uint8_t rhport, uint8_t stage, tusb_control_request_t const *request, unsigned itf)
{
switch (p_request->bmRequestType_bit.type) {
case TUSB_REQ_TYPE_STANDARD:
return handle_video_stm_std_req(rhport, stage, request, itf);
case TUSB_REQ_TYPE_CLASS:
if (TU_U16_HIGH(request->wIndex))
return VIDEO_INVALID_REQUEST;
return handle_video_stm_cs_req(rhport, stage, request, itf);
default:
return VIDEO_INVALID_REQUEST;
}
return VIDEO_UNKNOWN;
}
static void _prep_out_transaction(cdcd_interface_t* p_cdc)
{
uint8_t const rhport = TUD_OPT_RHPORT;
uint16_t available = tu_fifo_remaining(&p_cdc->rx_ff);
@ -440,31 +732,23 @@ uint16_t videod_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uin
void const *end = (void const*)itf_desc + max_len;
self->beg = itf_desc;
self->end = end;
self->len = max_len;
/*------------- Video Control Interface -------------*/
void const* cur = videod_set_vc_itf(self, 0);
TU_VERIFY(cur, 0);
unsigned bInCollection = self->vc->ctl.bInCollection;
if (!_open_vc_itf(rhport, self, 0)) return 0;
tusb_desc_vc_itf_t const *vc = _get_desc_vc(self);
unsigned bInCollection = vc->ctl.bInCollection;
/* Update end */
void const *cur = _next_desc_itf(itf_desc, end);
for (unsigned i = 0; i < bInCollection; ++i) {
cur = _next_desc_itf(cur, end);
}
self->len = (uintptr_t)cur - (uintptr_t)itf_desc;
/*------------- Video Stream Interface -------------*/
unsigned itfnum = 0;
for (unsigned i = 0; i < bInCollection; ++i) {
itfnum = vc->ctl.baInterfaceNr[i];
cur = videod_set_vs_itf(self, itfnum, 0);
TU_VERIFY(cur, 0);
if (!_open_vs_itf(rhport, self, itfnum, 0)) return 0;
}
/* Skip alternate setting interfaces */
while (cur < end && TUSB_DESC_INTERFACE == tu_desc_type(cur)) {
tusb_desc_vs_itf_t const *vs = (tusb_desc_vs_itf_t const *)cur;
if (itfnum != vs->std.bInterfaceNumber ||
TUSB_DESC_CS_INTERFACE != vs->stm.bDescriptorType ||
(VIDEO_CS_VS_INTERFACE_INPUT_HEADER != vs->stm.bDescriptorSubType &&
VIDEO_CS_VS_INTERFACE_OUTPUT_HEADER!= vs->stm.bDescriptorSubType)) {
break;
}
cur += itf->std.bLength + itf->stm.bLength + itf->stm.wTotalLength;
}
self->end = cur;
return end - cur;
}
@ -473,61 +757,33 @@ uint16_t videod_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uin
// return false to stall control endpoint (e.g unsupported request)
bool videod_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request)
{
int err;
if (p_request->bmRequestType_bit.recipient != TUSB_REQ_RCPT_INTERFACE) {
return false;
}
unsigned itfnum = tu_u16_low(p_request->wIndex);
/* Identify which interface to use */
videod_interface_t *self = NULL;
for (unsigned i = 0; i < CFG_TUD_VIDEO; ++i) {
if (_videod_itf[i].vc->bInterfaceNumber == itfnum) {
self = &_videod_itf[i];
int itf;
tusb_desc_vc_itf_t const *vc = NULL;
for (itf = 0; itf < CFG_TUD_VIDEO; ++itf) {
vc = _videod_itf[itf].vc;
if (!vc) continue;
unsigned beg_itfnum = vc->bInterfaceNumber;
unsigned end_itfnum = vc->ctl.bInCollection;
if (beg_itfnum <= itfnum && itfnum < end_itfnum)
break;
}
}
if (!self) return false;
if (itf == CFG_TUD_VIDEO) return false;
/* Standard request */
if (p_request->bmRequestType_bit.type == TUSB_REQ_TYPE_STANDARD) {
if (stage != CONTROL_STAGE_SETUP) return true;
switch (p_request->bRequest) {
case TUSB_REQ_GET_INTERFACE:
return videod_get_itf(rhport, self, request);
case TUSB_REQ_SET_INTERFACE:
return videod_set_itf(rhport, self, request);
default: /* Unknown/Unsupported request */
TU_BREAKPOINT();
return false;
if (itfnum == vc->bInterfaceNumber) {
/* To video control interface */
err = handle_video_ctl_req(rhport, stage, request, itf);
} else {
/* To video streaming interface */
err = handle_video_stm_req(rhport, stage, request, itf);
}
}
unsigned cs = TU_U16_HIGH(request->wValue);
unsigned uid = TU_U16_HIGH(request->wIndex);
switch (request->bRequest) {
case VIDEO_REQUEST_GET_INFO:
TU_VERIFY(1 == request->wLength);
break;
case VIDEO_REQUEST_SET_CUR:
if (stage == CONTROL_STAGE_SETUP) {
TU_LOG2(" Set Current Setting Attribute\r\n");
tud_control_xfer(rhport, request, &p_video->line_coding, sizeof(cdc_line_coding_t));
} else if ( stage == CONTROL_STAGE_ACK) {
if ( tud_cdc_line_coding_cb ) tud_cdc_line_coding_cb(itf, &p_video->line_coding);
}
break;
case VIDEO_REQUEST_GET_CUR:
if (stage == CONTROL_STAGE_SETUP) {
TU_LOG2(" Set Current Setting Attribute\r\n");
tud_control_xfer(rhport, request, &p_video->line_coding, sizeof(cdc_line_coding_t));
} else if ( stage == CONTROL_STAGE_ACK) {
if ( tud_cdc_line_coding_cb ) tud_cdc_line_coding_cb(itf, &p_video->line_coding);
}
break;
default: return false; // stall unsupported request
}
_videod_itf[itf].error_code = (uint8_t)err;
if (err) return false;
return true;
}

7
src/class/video/video_device.h
View File

@ -28,8 +28,11 @@
#ifndef TUSB_VIDEO_DEVICE_H_
#define TUSB_VIDEO_DEVICE_H_
#include "common/tusb_common.h"
#include "video.h"
#ifdef __cplusplus
extern "C" {
extern "C" {
#endif
//--------------------------------------------------------------------+
@ -41,7 +44,7 @@ TU_ATTR_WEAK bool tud_video_get_info_cb(uint8_t rhport, tusb_control_request_t c
// Invoked when GET_INFO request received
TU_ATTR_WEAK bool tud_video_set_cur_cb(uint8_t rhport, tusb_control_request_t const *request);
// Invoked when GET_CUR request received
TU_ATTR_WEAK bool tud_video_get_info_cb(uint8_t rhport, tusb_control_request_t const *request);
TU_ATTR_WEAK bool tud_video_get_cur_cb(uint8_t rhport, tusb_control_request_t const *request);
//--------------------------------------------------------------------+
// INTERNAL USBD-CLASS DRIVER API

12
src/common/tusb_types.h
View File

@ -69,6 +69,18 @@ typedef enum
TUSB_DIR_IN_MASK = 0x80
}tusb_dir_t;
/// Isochronous End Point Attributes
typedef enum
{
TUSB_ISO_EP_ATT_NO_SYNC = 0x00,
TUSB_ISO_EP_ATT_ASYNCHRONOUS = 0x04,
TUSB_ISO_EP_ATT_ADAPTIVE = 0x08,
TUSB_ISO_EP_ATT_SYNCHRONOUS = 0x0C,
TUSB_ISO_EP_ATT_DATA = 0x00, ///< Data End Point
TUSB_ISO_EP_ATT_EXPLICIT_FB = 0x10, ///< Feedback End Point
TUSB_ISO_EP_ATT_IMPLICIT_FB = 0x20, ///< Data endpoint that also serves as an implicit feedback
}tusb_iso_ep_attribute_t;
/// USB Descriptor Types
typedef enum
{