diff options
| author | Holger Hans Peter Freyther <zecke@selfish.org> | 2011-01-20 12:20:46 +0100 |
|---|---|---|
| committer | Holger Hans Peter Freyther <zecke@selfish.org> | 2011-01-20 13:11:29 +0100 |
| commit | 925d566c188bfad3709e55ac223bee52ae2bc60c (patch) | |
| tree | 6b382be23ce906e65d9903241e181cd6f57765d0 /include | |
| parent | 460a8eb8654ae945ac73b46f5f078ced611a4478 (diff) | |
mtp: Fix the address mask, macro to extract opc/dpc
Fix the address mask, add macro to extract the DPC
and OPC from an address. Write a test case for this.
Diffstat (limited to 'include')
| -rw-r--r-- | include/mtp_level3.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/mtp_level3.h b/include/mtp_level3.h index bc2d186..f311ad5 100644 --- a/include/mtp_level3.h +++ b/include/mtp_level3.h @@ -65,7 +65,7 @@ #define SCCP_SSA 0x01 #define MTP_LINK_MASK 0x0F -#define MTP_ADDR_MASK 0x0FFF +#define MTP_ADDR_MASK 0x3FFF #define MTP_APOC_MASK 0x3f @@ -77,6 +77,10 @@ ((link) & MTP_LINK_MASK) << 28) #define MTP_MAKE_APOC(apoc) \ (apoc & 0x3fff) +#define MTP_ADDR_DPC(addr) \ + (addr & MTP_ADDR_MASK) +#define MTP_ADDR_OPC(addr) \ + ((addr >> 14) & MTP_ADDR_MASK) #elif __BYTE_ORDER == __BIG_ENDIAN static inline uint32_t c_swap_32(uint32_t in) { @@ -97,6 +101,10 @@ static inline uint16_t c_swap_16(uint16_t in) ((link) & MTP_LINK_MASK) << 28) #define MTP_MAKE_APOC(apoc) \ c_swap_16((apoc & 0x3fff)) +#define MTP_ADDR_DPC(addr) \ + (c_swap_32(addr) & MTP_ADDR_MASK) +#define MTP_ADDR_OPC(addr) \ + ((c_swap_32(addr) >> 14) & MTP_ADDR_MASK) #endif |