X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcfg%2Fmacros.h;h=4af10246f2ad6e646a44f242259cf8d920b12b3e;hb=refs%2Fheads%2Fmaster;hp=ff682fe214d3cdb22f2e4ab5242ba07ada65e510;hpb=4a71fb58e067d3dc00fe1c29927f945bd34be49a;p=bertos.git

diff --git a/bertos/cfg/macros.h b/bertos/cfg/macros.h
index ff682fe2..4af10246 100644
--- a/bertos/cfg/macros.h
+++ b/bertos/cfg/macros.h
@@ -446,5 +446,22 @@ INLINE bool is_aligned(const void *addr, size_t size)
 
 /** \} */ //defgroup macros
 
+
+/**
+ * Macro to unpack the ip addres from lwip format in 4 int
+ * \param addr is struct ip_addr ip_addr;
+ * \return for int variable separated from comma
+ *
+ * \code
+ * //Upack into 4 int the lwip ip address
+ * LOG_INFO("dhcp ok: ip = %d.%d.%d.%d\n", IP_ADDR_TO_INT_TUPLE(netif.ip_addr.addr));
+ * \endcode
+ */
+#define IP_ADDR_TO_INT_TUPLE(addr) \
+		(int)((addr) >>  0 & 0xff), \
+		(int)((addr) >>  8 & 0xff), \
+		(int)((addr) >> 16 & 0xff), \
+		(int)((addr) >> 24 & 0xff)
+
 #endif /* MACROS_H */