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Added DFU to UAC1 descriptors (guarded by DFU and FORCE_UAC1_DFU)

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This commit is contained in:
Ross Owen
2017-05-08 14:03:58 +01:00
parent cd00ee13ee
commit da06dbd9da
2 changed files with 60 additions and 4 deletions
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4
CHANGELOG.rst
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@@ -1,6 +1,10 @@
sc_usb_audio Change Log
=======================
7.2.0
-----
- ADDED: DFU to UAC1 descriptors (guarded by DFU and FORCE_UAC1_DFU)
7.1.0
-----
- ADDED: UserBufferManagementInit() to reset any state required in UserBufferManagement()

60
module_usb_audio/endpoint0/descriptors.h
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@@ -1067,7 +1067,7 @@ USB_Config_Descriptor_Audio2_t cfgDesc_Audio2=
#error NUM_USB_CHAN_OUT > 32
#endif
},
0, /* 60 iFeature */
0, /* 60 iFeature */
},
#endif
@@ -2263,6 +2263,31 @@ const unsigned num_freqs_a1 = MAX(3, (0
#define NUM_CONTROL_INTERFACES 0
#endif
#if (DFU == 1) && (FORCE_UAC1_DFU == 1)
#define NUM_DFU_INTERFACES 1
#define DFU_INTERFACE_BYTES 18
#else
#define NUM_DFU_INTERFACES 0
#define DFU_INTERFACE_BYTES 0
#endif
/* Total number of bytes returned for the class-specific AudioControl interface descriptor.
* Includes the combined length of this descriptor header and all Unit and Terminal descriptors
* For us this is IT -> FU -> OT * 2 and a header */
#define AC_TOTAL_LENGTH (AC_LENGTH + \
(INPUT_INTERFACES_A1 * (12 + ( (8 + NUM_USB_CHAN_IN_FS) * INPUT_VOLUME_CONTROL) + 9)) +\
(OUTPUT_INTERFACES_A1 * (12 + ( (8 + NUM_USB_CHAN_OUT_FS) * OUTPUT_VOLUME_CONTROL) + 9)))
#define STREAMING_INTERFACES (INPUT_INTERFACES_A1 + OUTPUT_INTERFACES_A1)
/* Number of interfaces for Audio 1.0 (+1 for control ) */
/* 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+NUM_CONTROL_INTERFACES)
//#if (NUM_USB_CHAN_IN == 0) || defined(UAC_FORCE_FEEDBACK_EP)
//#define CFG_TOTAL_LENGTH_A1 (18 + AC_TOTAL_LENGTH + (INPUT_INTERFACES_A1 * (49 + num_freqs_a1 * 3)) + (OUTPUT_INTERFACES_A1 * (58 + num_freqs_a1 * 3)) + CONTROL_INTERFACE_BYTES + DFU_INTERFACE_BYTES)
//#endif
/* Total number of bytes returned for the class-specific AudioControl interface descriptor.
* Includes the combined length of this descriptor header and all Unit and Terminal descriptors
* For us this is IT -> FU -> OT * 2 and a header */
@@ -2277,9 +2302,9 @@ const unsigned num_freqs_a1 = MAX(3, (0
#define NUM_INTERFACES_A1 (1+INPUT_INTERFACES_A1 + OUTPUT_INTERFACES_A1+NUM_CONTROL_INTERFACES)
#if (NUM_USB_CHAN_IN == 0) || defined(UAC_FORCE_FEEDBACK_EP)
#define CFG_TOTAL_LENGTH_A1 (18 + AC_TOTAL_LENGTH + (INPUT_INTERFACES_A1 * (49 + num_freqs_a1 * 3)) + (OUTPUT_INTERFACES_A1 * (58 + num_freqs_a1 * 3)) + CONTROL_INTERFACE_BYTES)
#define CFG_TOTAL_LENGTH_A1 (18 + AC_TOTAL_LENGTH + (INPUT_INTERFACES_A1 * (49 + num_freqs_a1 * 3)) + (OUTPUT_INTERFACES_A1 * (58 + num_freqs_a1 * 3)) + CONTROL_INTERFACE_BYTES + DFU_INTERFACE_BYTES)
#else
#define CFG_TOTAL_LENGTH_A1 (18 + AC_TOTAL_LENGTH + (INPUT_INTERFACES_A1 * (49 + num_freqs_a1 * 3)) + (OUTPUT_INTERFACES_A1 * (49 + num_freqs_a1 * 3)) + CONTROL_INTERFACE_BYTES)
#define CFG_TOTAL_LENGTH_A1 (18 + AC_TOTAL_LENGTH + (INPUT_INTERFACES_A1 * (49 + num_freqs_a1 * 3)) + (OUTPUT_INTERFACES_A1 * (49 + num_freqs_a1 * 3)) + CONTROL_INTERFACE_BYTES + DFU_INTERFACE_BYTES)
#endif
#define CHARIFY_SR(x) (x & 0xff),((x & 0xff00)>> 8),((x & 0xff0000)>> 16)
@@ -2715,11 +2740,38 @@ unsigned char cfgDesc_Audio1[] =
0x00, 0x00, /* Unused */
#endif
#if (DFU == 1) && (FORCE_UAC1_DFU == 1)
/* NOTE: By default we turn off DFU in UAC1.0 mode for a better user experiance in Windows */
/* Standard DFU class Interface descriptor */
0x09, /* 0 bLength : Size of this descriptor, in bytes. (field size 1 bytes) */
0x04, /* 1 bDescriptorType : INTERFACE descriptor. (field size 1 bytes) */
(OUTPUT_INTERFACES_A1 + INPUT_INTERFACES_A1 + 1), /* 2 bInterfaceNumber : Index of this interface. (field size 1 bytes) */
0x00, /* 3 bAlternateSetting : Index of this setting. (field size 1 bytes) */
0x00, /* 4 bNumEndpoints : 0 endpoints. (field size 1 bytes) */
0xFE, /* 5 bInterfaceClass : DFU. (field size 1 bytes) */
0x01, /* 6 bInterfaceSubclass : (field size 1 bytes) */
0x01, /* 7 bInterfaceProtocol : Unused. (field size 1 bytes) */
offsetof(StringDescTable_t, dfuStr)/sizeof(char *), /* 8 iInterface */
/* DFU 1.1 Run-Time DFU Functional Descriptor */
0x09, /* 0 Size */
0x21, /* 1 bDescriptorType : DFU FUNCTIONAL */
0x07, /* 2 bmAttributes */
0xFA, /* 3 wDetachTimeOut */
0x00, /* 4 wDetachTimeOut */
0x40, /* 5 wTransferSize */
0x00, /* 6 wTransferSize */
0x10, /* 7 bcdDFUVersion */
0x01, /* 7 bcdDFUVersion */
#endif
#ifdef USB_CONTROL_DESCS
/* Standard DFU class Interface descriptor */
0x09, /* 0 bLength : Size of this descriptor, in bytes. (field size 1 bytes) */
0x04, /* 1 bDescriptorType : INTERFACE descriptor. (field size 1 bytes) */
(OUTPUT_INTERFACES_A1 + 2), /* bInterfaceNumber */
(OUTPUT_INTERFACES_A1 + INPUT_INTERFACES_A1 + DFU_INTERFACES_A1 + 1), /* 2 bInterfaceNumber */
0x00, /* 3 bAlternateSetting : Index of this setting. (field size 1 bytes) */
0x00, /* 4 bNumEndpoints : 0 endpoints. (field size 1 bytes) */
0xFF, /* 5 bInterfaceClass : DFU. (field size 1 bytes) */