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simplify TUD_DFU_DESCRIPTOR with alternate count

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remove CFG_TUD_DFU_ALT_COUNT since there is only one DFU functional
descriptor
This commit is contained in:
hathach 2021-07-12 20:15:59 +07:00
parent 2916cd4575
commit 680b000bd1
4 changed files with 44 additions and 41 deletions
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3
examples/device/dfu/src/main.c
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@ -154,8 +154,9 @@ bool tud_dfu_device_data_done_check_cb(uint8_t alt)
return true;
}
void tud_dfu_abort_cb(void)
void tud_dfu_abort_cb(uint8_t alt)
{
(void) alt;
printf(" Host aborted transfer\r\n");
}

2
examples/device/dfu/src/tusb_config.h
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@ -81,8 +81,6 @@
#define CFG_TUD_DFU_RUNTIME 0
#define CFG_TUD_DFU_MODE 1
// Count of all alt settings, typically it's the partition count (Flash, EEPROM, etc.)
#define CFG_TUD_DFU_ALT_COUNT 2
// DFU buffer size, it has to be set to the buffer size used in TUD_DFU_DESCRIPTOR
#define CFG_TUD_DFU_TRANSFER_BUFFER_SIZE 4096

9
examples/device/dfu/src/usb_descriptors.c
View File

@ -81,13 +81,16 @@ uint8_t const * tud_descriptor_device_cb(void)
// Configuration Descriptor
//--------------------------------------------------------------------+
// Number of Alternate Interface (each for 1 flash partition)
#define ALT_COUNT 2
enum
{
ITF_NUM_DFU_MODE,
ITF_NUM_TOTAL
};
#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_DFU_MODE_DESC_LEN)
#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_DFU_DESC_LEN(ALT_COUNT))
#define FUNC_ATTRS (DFU_FUNC_ATTR_CAN_UPLOAD_BITMASK | DFU_FUNC_ATTR_CAN_DOWNLOAD_BITMASK)
@ -96,8 +99,8 @@ uint8_t const desc_configuration[] =
// Config number, interface count, string index, total length, attribute, power in mA
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
// Interface number, attributes, detach timeout, transfer size, string index 0, [string index 1 ... string index n]
TUD_DFU_DESCRIPTOR(ITF_NUM_DFU_MODE, FUNC_ATTRS, 1000, CFG_TUD_DFU_TRANSFER_BUFFER_SIZE, 4, 5),
// Interface number, Alternate count, starting string index, attributes, detach timeout, transfer size
TUD_DFU_DESCRIPTOR(ITF_NUM_DFU_MODE, ALT_COUNT, 4, FUNC_ATTRS, 1000, CFG_TUD_DFU_TRANSFER_BUFFER_SIZE),
};
// Invoked when received GET CONFIGURATION DESCRIPTOR

71
src/device/usbd.h
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@ -605,50 +605,51 @@ TU_ATTR_WEAK bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb
/* Function */ \
9, DFU_DESC_FUNCTIONAL, _attr, U16_TO_U8S_LE(_timeout), U16_TO_U8S_LE(_xfer_size), U16_TO_U8S_LE(0x0101)
// Maximum alternate settings (used for different partitons) supported
#ifndef CFG_TUD_DFU_ALT_COUNT
#define CFG_TUD_DFU_ALT_COUNT 1
#endif
// Length of template descriptor: 9 bytes + number of alternatives * 9
#define TUD_DFU_DESC_LEN(_alt_count) (9 + (_alt_count) * 9)
// Length of template descriptor: 18 bytes + number of alternatives * 9
#define TUD_DFU_MODE_DESC_LEN (9 + (CFG_TUD_DFU_ALT_COUNT) * 9)
/* Primary Interface */
#define TUD_DFU_MODE_FUNC(_attr, _timeout, _xfer_size) \
// Interface number, Alternate count, starting string index, attributes, detach timeout, transfer size
// Note: Alternate count must be numberic or macro, string index is increased by one for each Alt interface
#define TUD_DFU_DESCRIPTOR(_itfnum, _alt_count, _stridx, _attr, _timeout, _xfer_size) \
TU_XSTRCAT(_TUD_DFU_ALT_,_alt_count)(_itfnum, 0, _stridx), \
/* Function */ \
9, DFU_DESC_FUNCTIONAL, _attr, U16_TO_U8S_LE(_timeout), U16_TO_U8S_LE(_xfer_size), U16_TO_U8S_LE(0x0101)
#define TUD_DFU_MODE_ALT(_itfnum, _alt, _stridx) \
#define _TUD_DFU_ALT(_itfnum, _alt, _stridx) \
/* Interface */ \
9, TUSB_DESC_INTERFACE, _itfnum, _alt, 0, TUD_DFU_APP_CLASS, TUD_DFU_APP_SUBCLASS, DFU_PROTOCOL_DFU, _stridx, \
9, TUSB_DESC_INTERFACE, _itfnum, _alt, 0, TUD_DFU_APP_CLASS, TUD_DFU_APP_SUBCLASS, DFU_PROTOCOL_DFU, _stridx
#define _TUD_DFU_FIRST(a, ...) a
#define _TUD_DFU_REST(a, ...) __VA_ARGS__
#define _TUD_DFU_COMBINE(...) __VA_ARGS__
#define _TUD_DFU_ALT_1(_itfnum, _alt_count, _stridx) \
_TUD_DFU_ALT(_itfnum, _alt_count, _stridx)
#define TUD_DFU_MODE_ALT_1(_itfnum, ...) TUD_DFU_MODE_ALT(_itfnum, (CFG_TUD_DFU_ALT_COUNT) - 1, _TUD_DFU_FIRST(__VA_ARGS__))
#define TUD_DFU_MODE_ALT_2(_itfnum, ...) TUD_DFU_MODE_ALT(_itfnum, (CFG_TUD_DFU_ALT_COUNT) - 2, _TUD_DFU_FIRST(__VA_ARGS__)) \
TUD_DFU_MODE_ALT_1(_itfnum, _TUD_DFU_REST(__VA_ARGS__))
#define TUD_DFU_MODE_ALT_3(_itfnum, ...) TUD_DFU_MODE_ALT(_itfnum, (CFG_TUD_DFU_ALT_COUNT) - 3, _TUD_DFU_FIRST(__VA_ARGS__)) \
TUD_DFU_MODE_ALT_2(_itfnum, _TUD_DFU_REST(__VA_ARGS__))
#define TUD_DFU_MODE_ALT_4(_itfnum, ...) TUD_DFU_MODE_ALT(_itfnum, (CFG_TUD_DFU_ALT_COUNT) - 4, _TUD_DFU_FIRST(__VA_ARGS__)) \
TUD_DFU_MODE_ALT_3(_itfnum, _TUD_DFU_REST(__VA_ARGS__))
#define TUD_DFU_MODE_ALT_5(_itfnum, ...) TUD_DFU_MODE_ALT(_itfnum, (CFG_TUD_DFU_ALT_COUNT) - 5, _TUD_DFU_FIRST(__VA_ARGS__)) \
TUD_DFU_MODE_ALT_4(_itfnum, _TUD_DFU_REST(__VA_ARGS__))
#define TUD_DFU_MODE_ALT_6(_itfnum, ...) TUD_DFU_MODE_ALT(_itfnum, (CFG_TUD_DFU_ALT_COUNT) - 6, _TUD_DFU_FIRST(__VA_ARGS__)) \
TUD_DFU_MODE_ALT_5(_itfnum, _TUD_DFU_REST(__VA_ARGS__))
#define TUD_DFU_MODE_ALT_7(_itfnum, ...) TUD_DFU_MODE_ALT(_itfnum, (CFG_TUD_DFU_ALT_COUNT) - 7, _TUD_DFU_FIRST(__VA_ARGS__)) \
TUD_DFU_MODE_ALT_6(_itfnum, _TUD_DFU_REST(__VA_ARGS__))
#define TUD_DFU_MODE_ALT_8(_itfnum, ...) TUD_DFU_MODE_ALT(_itfnum, (CFG_TUD_DFU_ALT_COUNT) - 8, _TUD_DFU_FIRST(__VA_ARGS__)) \
TUD_DFU_MODE_ALT_7(_itfnum, _TUD_DFU_REST(__VA_ARGS__))
#define _TUD_DFU_ALT_2(_itfnum, _alt_count, _stridx) \
_TUD_DFU_ALT(_itfnum, _alt_count, _stridx), \
_TUD_DFU_ALT_1(_itfnum, _alt_count+1, _stridx+1)
#define TUD_DFU_MODE_ALTS(_itfnum, ...) \
TU_XSTRCAT(TUD_DFU_MODE_ALT_, CFG_TUD_DFU_ALT_COUNT)(_itfnum, __VA_ARGS__)
#define _TUD_DFU_ALT_3(_itfnum, _alt_count, _stridx) \
_TUD_DFU_ALT(_itfnum, _alt_count, _stridx), \
_TUD_DFU_ALT_2(_itfnum, _alt_count+1, _stridx+1)
#define _TUD_DFU_ALT_4(_itfnum, _alt_count, _stridx) \
_TUD_DFU_ALT(_itfnum, _alt_count, _stridx), \
_TUD_DFU_ALT_3(_itfnum, _alt_count+1, _stridx+1)
#define _TUD_DFU_ALT_5(_itfnum, _alt_count, _stridx) \
_TUD_DFU_ALT(_itfnum, _alt_count, _stridx), \
_TUD_DFU_ALT_4(_itfnum, _alt_count+1, _stridx+1)
#define _TUD_DFU_ALT_6(_itfnum, _alt_count, _stridx) \
_TUD_DFU_ALT(_itfnum, _alt_count, _stridx), \
_TUD_DFU_ALT_5(_itfnum, _alt_count+1, _stridx+1)
#define _TUD_DFU_ALT_7(_itfnum, _alt_count, _stridx) \
_TUD_DFU_ALT(_itfnum, _alt_count, _stridx), \
_TUD_DFU_ALT_6(_itfnum, _alt_count+1, _stridx+1)
#define _TUD_DFU_ALT_8(_itfnum, _alt_count, _stridx) \
_TUD_DFU_ALT(_itfnum, _alt_count, _stridx), \
_TUD_DFU_ALT_7(_itfnum, _alt_count+1, _stridx+1)
// Interface number, attributes, detach timeout, transfer size, string index 0, [string index 1, string index n]
#define TUD_DFU_DESCRIPTOR(_itfnum, _attr, _timeout, _xfer_size, _stridx, ...) \
TUD_DFU_MODE_ALTS(_itfnum, _TUD_DFU_COMBINE(_stridx, __VA_ARGS__)) \
TUD_DFU_MODE_FUNC(_attr, _timeout, _xfer_size)
//------------- CDC-ECM -------------//