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Comments only: UAC1 Descriptors

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This commit is contained in:
Ross Owen
2017-01-20 11:38:50 +00:00
parent 1e1a15c3a4
commit ca44477c3d
1 changed files with 13 additions and 13 deletions
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26
module_usb_audio/endpoint0/descriptors.h
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@@ -2320,24 +2320,24 @@ unsigned char cfgDesc_Audio1[] =
AC_LENGTH,
UAC_CS_DESCTYPE_INTERFACE,
0x01, /* HEADER */
0x00, 0x01, /* Class spec revision - 1.0 */
0x00, 0x01, /* bcdADC */
(AC_TOTAL_LENGTH & 0xFF), /* wTotallength (Combined length of this descriptor and all Unit and Terminal Descriptors) */
(AC_TOTAL_LENGTH >> 8), /* wTotalLength */
STREAMING_INTERFACES, /* Num streaming interfaces */
STREAMING_INTERFACES, /* bInCollection (Num streaming interfaces) */
#if (NUM_USB_CHAN_OUT > 0)
0x01, /* AudioStreaming interface 1 belongs to AC interface */
0x01, /* baInterfaceNr(1) AudioStreaming interface 1 belongs to AC interface */
#endif
#if (NUM_USB_CHAN_IN > 0)
(OUTPUT_INTERFACES_A1 + 1), /* AudioStreaming interface 2 belongs to AC interface */
(OUTPUT_INTERFACES_A1 + 1), /* baInterfaceNr(2) AudioStreaming interface 2 belongs to AC interface */
#endif
#if (NUM_USB_CHAN_OUT > 0)
/* CS_Interface Input Terminal 1 Descriptor - USB streaming Host to Device */
0x0C,
UAC_CS_DESCTYPE_INTERFACE, /* UAC_CS_DESCTYPE_INTERFACE */
0x02, /* INPUT_TERMINAL */
0x01, /* Terminal ID */
0x01, 0x01, /* Type - streaming */
UAC_CS_DESCTYPE_INTERFACE, /* bDescriptorType (UAC_CS_DESCTYPE_INTERFACE) */
0x02, /* bDescriptiorSubtype (INPUT_TERMINAL) */
0x01, /* bTerminalID */
0x01, 0x01, /* wTerminalType (USB Streaming) */
0x00, /* Associated terminal - unused */
NUM_USB_CHAN_OUT_FS, /* bNrChannels */
0x03, 0x00, /* wChannelConfig */
@@ -2481,16 +2481,16 @@ unsigned char cfgDesc_Audio1[] =
/* Standard As Interface Descriptor (4.5.1) */
0x09,
0x04, /* INTERFACE */
0x01, /* Interface no */
0x01, /* AlternateSetting */
0x01, /* bInterfaceNumber */
0x01, /* bAlternateSetting */
#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 */
0x01, /* bInterfaceClas - AUDIO */
0x02, /* bInterfaceSubclass - AUDIO_STREAMING */
0x00, /* bInterface Protocol - Unused */
offsetof(StringDescTable_t, outputInterfaceStr_Audio1)/sizeof(char *), /* iInterface */
/* Class-Specific AS Interface Descriptor (4.5.2) */