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authorMengsk <[email protected]>2021-07-07 18:02:04 +0200
committerMengsk <[email protected]>2021-07-07 18:02:04 +0200
commit941b02c6a98cd34eb84cf499db9810108871d49b (patch)
tree98d6f5dc660080a3eb36e4bf963d121e5552b58d /src/device
parent71c00432610780f07d0e0776eacdda1186481854 (diff)
Reactor to one functional descriptor.
Diffstat (limited to 'src/device')
-rw-r--r--src/device/usbd.h47
1 files changed, 40 insertions, 7 deletions
diff --git a/src/device/usbd.h b/src/device/usbd.h
index 41c78de10..fe1863706 100644
--- a/src/device/usbd.h
+++ b/src/device/usbd.h
@@ -600,17 +600,50 @@ 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)
-// Length of template descriptr: 18 bytes
-#define TUD_DFU_MODE_DESC_LEN (9 + 9)
+// Maximum alternate settings (used for different partitons) supported
+#ifndef CFG_TUD_DFU_ALT_COUNT
+#define CFG_TUD_DFU_ALT_COUNT 1
+#endif
-// DFU mode descriptor
-// Interface number, alt settings, string index, attributes, detach timeout, transfer size
-#define TUD_DFU_MODE_DESCRIPTOR(_itfnum, _alt, _stridx, _attr, _timeout, _xfer_size) \
- /* Interface */ \
- 9, TUSB_DESC_INTERFACE, _itfnum, _alt, 0, TUD_DFU_APP_CLASS, TUD_DFU_APP_SUBCLASS, DFU_PROTOCOL_DFU, _stridx, \
+// 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) \
/* 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) \
+ /* Interface */ \
+ 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_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_MODE_ALTS(_itfnum, ...) \
+ TU_XSTRCAT(TUD_DFU_MODE_ALT_, CFG_TUD_DFU_ALT_COUNT)(_itfnum, __VA_ARGS__)
+
+// Interface number, detach timeout, transfer size, string index 1, [string index 2, string index n]
+#define TUD_DFU_MODE_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 -------------//