Added portable_endian.h for ARM Embedded.

src/csp_crc32.c

@@ -3,7 +3,7 @@
 #include <csp/csp_crc32.h>
 #include <csp/csp_id.h>
 
-#include <endian.h>
+#include <portable_endian.h>
 
 #ifdef __AVR__
 #include <avr/pgmspace.h>
@@ -132,7 +132,7 @@ int csp_crc32_verify(csp_packet_t * packet) {
 		if (memcmp(&packet->data[packet->length] - sizeof(crc), &crc, sizeof(crc)) != 0) {
 			return CSP_ERR_CRC32;
 		}
-		
+
 	}
 
 	/* Strip CRC32 */

src/csp_id.c

@@ -5,7 +5,7 @@
  *      Author: johan
  */
 
-#include <endian.h>
+#include <portable_endian.h>
 #include <csp/csp.h>
 
 /**

src/csp_io.c

@@ -5,7 +5,7 @@
 
 #include <csp/csp.h>
 #include <csp/csp_debug.h>
-#include <endian.h>
+#include <portable_endian.h>
 #include <csp/csp_crc32.h>
 #include <csp/csp_rtable.h>
 #include <csp/interfaces/csp_if_lo.h>

src/csp_route.c

@@ -3,7 +3,7 @@
 #include <stdlib.h>
 
 #include <csp/csp_crc32.h>
-#include <endian.h>
+#include <portable_endian.h>
 #include <csp/arch/csp_time.h>
 #include <csp/arch/csp_queue.h>
 #include <csp/crypto/csp_hmac.h>
@@ -171,7 +171,7 @@ int csp_route_work(void) {
 	}
 
 	/**
-	 * Callbacks 
+	 * Callbacks
 	 */
 	csp_callback_t callback = csp_port_get_callback(packet->id.dport);
 	if (callback) {
@@ -186,7 +186,7 @@ int csp_route_work(void) {
 	}
 
 	/**
-	 * Sockets 
+	 * Sockets
 	 */
 
 	/* The message is to me, search for incoming socket */
@@ -205,7 +205,7 @@ int csp_route_work(void) {
 			csp_buffer_free(packet);
 			return CSP_ERR_NONE;
 		}
-		
+
 		return CSP_ERR_NONE;
 	}
 

src/csp_service_handler.c

@@ -5,7 +5,7 @@
 
 #include <csp/csp_cmp.h>
 #include <csp/csp_hooks.h>
-#include <endian.h>
+#include <portable_endian.h>
 #include <csp/csp_types.h>
 #include <csp/csp_rtable.h>
 #include <csp/csp_id.h>
@@ -234,7 +234,7 @@ void csp_service_handler(csp_packet_t * packet) {
 
 			uint32_t total = 0;
 			total = csp_memfree_hook();
-			
+
 			total = htobe32(total);
 			memcpy(packet->data, &total, sizeof(total));
 			packet->length = sizeof(total);

src/csp_services.c

@@ -5,7 +5,7 @@
 #include <csp/csp_debug.h>
 
 #include <csp/csp_cmp.h>
-#include <endian.h>
+#include <portable_endian.h>
 #include <csp/arch/csp_time.h>
 
 int csp_ping(uint16_t node, uint32_t timeout, unsigned int size, uint8_t conn_options) {

src/csp_sfp.c

@@ -5,7 +5,7 @@
 #include <csp/csp_buffer.h>
 #include <csp/csp_debug.h>
 #include "csp_macro.h"
-#include <endian.h>
+#include <portable_endian.h>
 
 #include "csp_conn.h"
 

src/interfaces/csp_if_can.c

@@ -4,7 +4,7 @@
 
 #include <string.h>
 #include <stdlib.h>
-#include <endian.h>
+#include <portable_endian.h>
 
 #include <csp/csp.h>
 #include <csp/csp_id.h>

src/interfaces/csp_if_kiss.c

@@ -10,7 +10,7 @@
 #include <csp/drivers/usart.h>
 #include <string.h>
 
-#include <endian.h>
+#include <portable_endian.h>
 #include <csp/csp_crc32.h>
 #include <csp/csp_id.h>
 

src/portable_endian.h

@@ -0,0 +1,216 @@
+// "License": Public Domain
+// I, Mathias Panzenböck, place this file hereby into the public domain. Use it at your own risk for whatever you like.
+// In case there are jurisdictions that don't support putting things in the public domain you can also consider it to
+// be "dual licensed" under the BSD, MIT and Apache licenses, if you want to. This code is trivial anyway. Consider it
+// an example on how to get the endian conversion functions on different platforms.
+
+#ifndef PORTABLE_ENDIAN_H__
+#define PORTABLE_ENDIAN_H__
+
+#if (defined(_WIN16) || defined(_WIN32) || defined(_WIN64)) && !defined(__WINDOWS__)
+
+#	define __WINDOWS__
+
+#endif
+
+#if defined(__ICCARM__) || defined(__CC_ARM) || defined(__GNUC__)
+
+	/*
+	 * GNU ARM toolchain, and possibly other bare-metal toolchains
+	 * built on newlib.  Tested with
+	 * (GNU Tools for ARM Embedded Processors 6-2017-q2-update
+	 */
+
+#	include <machine/endian.h>
+
+#if BYTE_ORDER == LITTLE_ENDIAN
+
+#		define htobe16(x) __bswap16(x)
+#		define htole16(x) (x)
+#		define be16toh(x) __bswap16(x)
+#		define le16toh(x) (x)
+
+#		define htobe32(x) __bswap32(x)
+#		define htole32(x) (x)
+#		define be32toh(x) __bswap32(x)
+#		define le32toh(x) (x)
+
+#		define htobe64(x) __bswap64(x)
+#		define htole64(x) (x)
+#		define be64toh(x) __bswap64(x)
+#		define le64toh(x) (x)
+
+#elif BYTE_ORDER == BIG_ENDIAN
+
+#		define htobe16(x) (x)
+#		define htole16(x) __bswap16(x)
+#		define be16toh(x) (x)
+#		define le16toh(x) __bswap16(x)
+
+#		define htobe32(x) (x)
+#		define htole32(x) __bswap32(x)
+#		define be32toh(x) (x)
+#		define le32toh(x) __bswap32(x)
+
+#		define htobe64(x) (x)
+#		define htole64(x) __bswap64(x)
+#		define be64toh(x) (x)
+#		define le64toh(x) __bswap64(x)
+
+#endif
+
+#elif defined(__linux__) || defined(__CYGWIN__) || defined(__GNU__)
+
+#	include <endian.h>
+
+#elif defined(__APPLE__)
+
+#	include <libkern/OSByteOrder.h>
+
+#	define htobe16(x) OSSwapHostToBigInt16(x)
+#	define htole16(x) OSSwapHostToLittleInt16(x)
+#	define be16toh(x) OSSwapBigToHostInt16(x)
+#	define le16toh(x) OSSwapLittleToHostInt16(x)
+
+#	define htobe32(x) OSSwapHostToBigInt32(x)
+#	define htole32(x) OSSwapHostToLittleInt32(x)
+#	define be32toh(x) OSSwapBigToHostInt32(x)
+#	define le32toh(x) OSSwapLittleToHostInt32(x)
+
+#	define htobe64(x) OSSwapHostToBigInt64(x)
+#	define htole64(x) OSSwapHostToLittleInt64(x)
+#	define be64toh(x) OSSwapBigToHostInt64(x)
+#	define le64toh(x) OSSwapLittleToHostInt64(x)
+
+#	define __BYTE_ORDER    BYTE_ORDER
+#	define __BIG_ENDIAN    BIG_ENDIAN
+#	define __LITTLE_ENDIAN LITTLE_ENDIAN
+#	define __PDP_ENDIAN    PDP_ENDIAN
+
+#elif defined(__OpenBSD__)
+
+#	include <endian.h>
+
+#	define __BYTE_ORDER    BYTE_ORDER
+#	define __BIG_ENDIAN    BIG_ENDIAN
+#	define __LITTLE_ENDIAN LITTLE_ENDIAN
+#	define __PDP_ENDIAN    PDP_ENDIAN
+
+#elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
+
+#	include <sys/endian.h>
+
+#	define be16toh(x) betoh16(x)
+#	define le16toh(x) letoh16(x)
+
+#	define be32toh(x) betoh32(x)
+#	define le32toh(x) letoh32(x)
+
+#	define be64toh(x) betoh64(x)
+#	define le64toh(x) letoh64(x)
+
+#elif defined(__WINDOWS__)
+
+#	include <winsock2.h>
+#	ifdef __GNUC__
+#		include <sys/param.h>
+#	endif
+
+#	if BYTE_ORDER == LITTLE_ENDIAN
+
+#		define htobe16(x) htons(x)
+#		define htole16(x) (x)
+#		define be16toh(x) ntohs(x)
+#		define le16toh(x) (x)
+
+#		define htobe32(x) htonl(x)
+#		define htole32(x) (x)
+#		define be32toh(x) ntohl(x)
+#		define le32toh(x) (x)
+
+#		define htobe64(x) htonll(x)
+#		define htole64(x) (x)
+#		define be64toh(x) ntohll(x)
+#		define le64toh(x) (x)
+
+#	elif BYTE_ORDER == BIG_ENDIAN
+
+		/* that would be xbox 360 */
+#		define htobe16(x) (x)
+#		define htole16(x) __builtin_bswap16(x)
+#		define be16toh(x) (x)
+#		define le16toh(x) __builtin_bswap16(x)
+
+#		define htobe32(x) (x)
+#		define htole32(x) __builtin_bswap32(x)
+#		define be32toh(x) (x)
+#		define le32toh(x) __builtin_bswap32(x)
+
+#		define htobe64(x) (x)
+#		define htole64(x) __builtin_bswap64(x)
+#		define be64toh(x) (x)
+#		define le64toh(x) __builtin_bswap64(x)
+
+#	else
+
+#		error byte order not supported
+
+#	endif
+
+#	define __BYTE_ORDER    BYTE_ORDER
+#	define __BIG_ENDIAN    BIG_ENDIAN
+#	define __LITTLE_ENDIAN LITTLE_ENDIAN
+#	define __PDP_ENDIAN    PDP_ENDIAN
+
+#elif defined(__QNXNTO__)
+
+#	include <gulliver.h>
+
+#	define __LITTLE_ENDIAN 1234
+#	define __BIG_ENDIAN    4321
+#	define __PDP_ENDIAN    3412
+
+#	if defined(__BIGENDIAN__)
+
+#		define __BYTE_ORDER __BIG_ENDIAN
+
+#		define htobe16(x) (x)
+#		define htobe32(x) (x)
+#		define htobe64(x) (x)
+
+#		define htole16(x) ENDIAN_SWAP16(x)
+#		define htole32(x) ENDIAN_SWAP32(x)
+#		define htole64(x) ENDIAN_SWAP64(x)
+
+#	elif defined(__LITTLEENDIAN__)
+
+#		define __BYTE_ORDER __LITTLE_ENDIAN
+
+#		define htole16(x) (x)
+#		define htole32(x) (x)
+#		define htole64(x) (x)
+
+#		define htobe16(x) ENDIAN_SWAP16(x)
+#		define htobe32(x) ENDIAN_SWAP32(x)
+#		define htobe64(x) ENDIAN_SWAP64(x)
+
+#	else
+
+#		error byte order not supported
+
+#	endif
+
+#	define be16toh(x) ENDIAN_BE16(x)
+#	define be32toh(x) ENDIAN_BE32(x)
+#	define be64toh(x) ENDIAN_BE64(x)
+#	define le16toh(x) ENDIAN_LE16(x)
+#	define le32toh(x) ENDIAN_LE32(x)
+#	define le64toh(x) ENDIAN_LE64(x)
+
+
+#else
+
+#	error platform not supported
+
+#endif
+#endif