Merge pull request #3597 from canokeys/big-endian-for-setup-packets

fix #3596: big-endian host support for SETUP packet handling

1 files changed, 17 insertions, 0 deletions

diff --git a/src/common/tusb_types.h b/src/common/tusb_types.h
index d8b6a8823..8ae1407f8 100644
--- a/src/common/tusb_types.h
+++ b/src/common/tusb_types.h
@@ -409,10 +409,19 @@ typedef struct TU_ATTR_PACKED {
   uint8_t  bEndpointAddress ; // The address of the endpoint
 
   struct TU_ATTR_PACKED {
+#if (TU_BITFIELD_ORDER == TU_BITFIELD_LE)
     uint8_t xfer  : 2;        // Control, ISO, Bulk, Interrupt
     uint8_t sync  : 2;        // None, Asynchronous, Adaptive, Synchronous
     uint8_t usage : 2;        // Data, Feedback, Implicit feedback
     uint8_t       : 2;
+#elif (TU_BITFIELD_ORDER == TU_BITFIELD_BE)
+    uint8_t       : 2;
+    uint8_t usage : 2;
+    uint8_t sync  : 2;
+    uint8_t xfer  : 2;
+#else
+  #error "Please define TU_BITFIELD_ORDER as TU_BITFIELD_LE or TU_BITFIELD_BE"
+#endif
   } bmAttributes;
 
   uint16_t wMaxPacketSize   ; // Bit 10..0 : max packet size, bit 12..11 additional transaction per highspeed micro-frame
@@ -522,9 +531,17 @@ typedef struct TU_ATTR_PACKED {
 typedef struct TU_ATTR_PACKED {
   union {
     struct TU_ATTR_PACKED {
+#if (TU_BITFIELD_ORDER == TU_BITFIELD_LE)
       uint8_t recipient :  5; ///< Recipient type tusb_request_recipient_t.
       uint8_t type      :  2; ///< Request type tusb_request_type_t.
       uint8_t direction :  1; ///< Direction type. tusb_dir_t
+#elif (TU_BITFIELD_ORDER == TU_BITFIELD_BE)
+      uint8_t direction :  1; ///< Direction type. tusb_dir_t
+      uint8_t type      :  2; ///< Request type tusb_request_type_t.
+      uint8_t recipient :  5; ///< Recipient type tusb_request_recipient_t.
+#else
+  #error "Please define TU_BITFIELD_ORDER as TU_BITFIELD_LE or TU_BITFIELD_BE"
+#endif
     } bmRequestType_bit;
 
     uint8_t bmRequestType;