From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
Helpers to access LE / BE values. In bluetooth there is a mixture
of LE / BE network byte order.
---
lib/bluetooth.h | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 64 insertions(+), 0 deletions(-)
diff --git a/lib/bluetooth.h b/lib/bluetooth.h
index b0680e2..5bd4f03 100644
--- a/lib/bluetooth.h
+++ b/lib/bluetooth.h
@@ -125,6 +125,70 @@ do { \
__p->__v = (val); \
} while(0)
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+static inline uint64_t bt_get_le64(void *ptr)
+{
+ return bt_get_unaligned((uint64_t *) ptr);
+}
+
+static inline uint64_t bt_get_be64(void *ptr)
+{
+ return bswap_64(bt_get_unaligned((uint64_t *) ptr));
+}
+
+static inline uint32_t bt_get_le32(void *ptr)
+{
+ return bt_get_unaligned((uint32_t *) ptr);
+}
+
+static inline uint32_t bt_get_be32(void *ptr)
+{
+ return bswap_32(bt_get_unaligned((uint32_t *) ptr));
+}
+
+static inline uint16_t bt_get_le16(void *ptr)
+{
+ return bt_get_unaligned((uint16_t *) ptr);
+}
+
+static inline uint16_t bt_get_be16(void *ptr)
+{
+ return bswap_16(bt_get_unaligned((uint16_t *) ptr));
+}
+#elif __BYTE_ORDER == __BIG_ENDIAN
+static inline uint64_t bt_get_le64(void *ptr)
+{
+ return bswap_64(bt_get_unaligned((uint64_t *) ptr));
+}
+
+static inline uint64_t bt_get_be64(void *ptr)
+{
+ return bt_get_unaligned((uint64_t *) ptr);
+}
+
+static inline uint32_t bt_get_le32(void *ptr)
+{
+ return bswap_32(bt_get_unaligned((uint32_t *) ptr));
+}
+
+static inline uint32_t bt_get_be32(void *ptr)
+{
+ return bt_get_unaligned((uint32_t *) ptr);
+}
+
+static inline uint16_t bt_get_le16(void *ptr)
+{
+ return bswap_16(bt_get_unaligned((uint16_t *) ptr));
+}
+
+static inline uint16_t bt_get_be16(void *ptr)
+{
+ return bt_get_unaligned((uint16_t *) ptr);
+}
+#else
+#error "Unknown byte order"
+#endif
+
/* BD Address */
typedef struct {
uint8_t b[6];
--
1.7.4.1
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