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UAC1 descriptors now use implicit feedback when sensible

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This commit is contained in:
Ross Owen
2015-01-12 18:12:59 +00:00
parent 465b0fe7d3
commit 129c9390cf
1 changed files with 21 additions and 3 deletions
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24
module_usb_audio/endpoint0/descriptors.h
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@@ -3399,7 +3399,11 @@ unsigned char cfgDesc_Null[] =
/* Note, this is different that INTERFACE_COUNT since we dont support items such as MIDI, iAP etc in UAC1 mode */
#define NUM_INTERFACES_A1 (1+INPUT_INTERFACES_A1 + OUTPUT_INTERFACES_A1)
#if (NUM_USB_CHAN_IN == 0) || defined(UAC_FORCE_FEEDBACK_EP)
#define CFG_TOTAL_LENGTH_A1 (18 + AC_TOTAL_LENGTH + (INPUT_INTERFACES_A1 * 61) + (OUTPUT_INTERFACES_A1 * 70))
#else
#define CFG_TOTAL_LENGTH_A1 (18 + AC_TOTAL_LENGTH + (INPUT_INTERFACES_A1 * 61) + (OUTPUT_INTERFACES_A1 * 61))
#endif
/* In UAC1 supported sample rates are listed in descriptor */
/* Note, we always report 4 freqs, doing otherwise seems to cause an enumeration issue on Windows */
@@ -3537,7 +3541,11 @@ unsigned char cfgDesc_Audio1[] =
0x04, /* INTERFACE */
0x01, /* Interface no */
0x01, /* AlternateSetting */
0x02, /* num endpoints 2: audio EP and feedback EP */
#if (NUM_USB_CHAN_IN == 0) || defined(UAC_FORCE_FEEDBACK_EP)
0x02, /* bNumEndpoints 2: audio EP and feedback EP */
#else
0x01, /* bNumEndpoints */
#endif
0x01, /* Interface class - AUDIO */
0x02, /* subclass - AUDIO_STREAMING */
0x00, /* Unused */
@@ -3587,7 +3595,11 @@ unsigned char cfgDesc_Audio1[] =
(FS_STREAM_FORMAT_OUTPUT_1_MAXPACKETSIZE&0xff00)>>8, /* 5 wMaxPacketSize */
0x01, /* bInterval */
0x00, /* bRefresh */
0x81, /* bSynchAdddress - address of EP used to communicate sync info */
#if (NUM_USB_CHAN_IN == 0) || defined(UAC_FORCE_FEEDBACK_EP)
ENDPOINT_ADDRESS_IN_FEEDBACK, /* bSynchAdddress - address of EP used to communicate sync info */
#else
ENDPOINT_ADDRESS_IN_AUDIO,
#endif
/* CS_Endpoint Descriptor ?? */
0x07,
@@ -3597,6 +3609,7 @@ unsigned char cfgDesc_Audio1[] =
0x02, /* bLockDelayUnits */
0x00, 0x00, /* bLockDelay */
#if (NUM_USB_CHAN_IN == 0) || defined(UAC_FORCE_FEEDBACK_EP)
/* Feedback EP */
0x09,
0x05, /* bDescriptorType: ENDPOINT */
@@ -3607,6 +3620,7 @@ unsigned char cfgDesc_Audio1[] =
0x04, /* bRefresh 2^x */
0x0, /* bSynchAddress */
#endif
#endif
#if (NUM_USB_CHAN_IN > 0)
/* Standard Interface Descriptor - Audio streaming IN */
@@ -3668,7 +3682,11 @@ unsigned char cfgDesc_Audio1[] =
0x09,
0x05, /* ENDPOINT */
ENDPOINT_ADDRESS_IN_AUDIO, /* EndpointAddress */
0x05, /* Attributes - isochronous async */
#if (NUM_USB_CHAN_IN == 0) || defined(UAC_FORCE_FEEDBACK_EP)
0x05, /* Iso, async, data endpoint */
#else
0x25, /* Iso, async, implicit feedback data endpoint */
#endif
FS_STREAM_FORMAT_INPUT_1_MAXPACKETSIZE&0xff, /* 4 wMaxPacketSize (Typically 294 bytes)*/
(FS_STREAM_FORMAT_INPUT_1_MAXPACKETSIZE&0xff00)>>8, /* 5 wMaxPacketSize */
0x01, /* bInterval */