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add interface descriptor template

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This commit is contained in:
hathach
2019-04-17 13:43:07 +07:00
parent 72575534f8
commit 516964b3d3
2 changed files with 51 additions and 1 deletions
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20
src/class/msc/msc_device.h
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@@ -47,7 +47,7 @@ TU_VERIFY_STATIC(CFG_TUD_MSC_BUFSIZE < UINT16_MAX, "Size is not correct");
#endif
#ifndef CFG_TUD_MSC_BUFSIZE
#error CFG_TUD_MSC_BUFSIZE must be defined, value of CFG_TUD_MSC_BLOCK_SZ should work well, the more the better
#error CFG_TUD_MSC_BUFSIZE must be defined, value of a block size should work well, the more the better
#endif
#ifndef CFG_TUD_MSC_VENDOR
@@ -62,6 +62,24 @@ TU_VERIFY_STATIC(CFG_TUD_MSC_BUFSIZE < UINT16_MAX, "Size is not correct");
#error CFG_TUD_MSC_PRODUCT_REV 4-byte string must be defined
#endif
//--------------------------------------------------------------------+
// Interface Descriptor Template
//--------------------------------------------------------------------+
// Length of template descriptor: 23 bytes
#define TUD_MSC_DESC_LEN (9 + 7 + 7)
// Interface Number, EP Out & EP In address
#define TUD_MSC_DESCRIPTOR(_itfnum, _stridx, _epout, _epin, _epsize) \
/* Interface */\
0x09, TUSB_DESC_INTERFACE, _itfnum, 0x00, 0x02, TUSB_CLASS_MSC, MSC_SUBCLASS_SCSI, MSC_PROTOCOL_BOT, _stridx,\
/* Endpoint Out */\
0x07, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0x00,\
/* Endpoint In */\
0x07, TUSB_DESC_ENDPOINT, _epin, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0x00
/** \addtogroup ClassDriver_MSC
* @{
* \defgroup MSC_Device Device