From: Nathael Pajani <nathael.pajani@ed3l.fr>
Date: Wed, 24 May 2017 12:37:55 +0000 (+0200)
Subject: Add the ntoh* and hton* functions to the utils lib.
X-Git-Url: http://git.techno-innov.fr/?a=commitdiff_plain;h=d5e3a4bb2d23cd9a09ec3bc1c4bb18529d599b9e;p=soft%2Flpc82x%2Fcore

Add the ntoh* and hton* functions to the utils lib.
---

diff --git a/include/lib/utils.h b/include/lib/utils.h
index e8ffac2..b4406a3 100644
--- a/include/lib/utils.h
+++ b/include/lib/utils.h
@@ -54,5 +54,22 @@ uint8_t ctz(uint32_t x);
 uint8_t bits_set(uint32_t x);
 
 
+
+/* Network to host and host to network.
+ * LPC1224 is a little endian platform, we need to change endianness (reverse byte order)
+ */
+static inline uint32_t ntohl(uint32_t val) __attribute__ ((alias ("byte_swap_32")));
+static inline uint32_t htonl(uint32_t val) __attribute__ ((alias ("byte_swap_32")));
+/* Short versions */
+static inline uint32_t ntohs(uint32_t val) __attribute__ ((alias ("byte_swap_16")));
+static inline uint32_t htons(uint32_t val) __attribute__ ((alias ("byte_swap_16")));
+
+
+/* MIN and MAX */
+#define MIN(a, b)  (((a) < (b)) ? (a) : (b))
+#define MAX(a, b)  (((a) > (b)) ? (a) : (b))
+
+
+
 #endif /* LIB_UTILS_H */