2013-08-15 10:17:15 +02:00
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/*
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* common.h
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*
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* Created on: 05.10.2011
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* Author: Oliver
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*/
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2013-11-27 16:28:31 +01:00
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/**
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* @defgroup net_help Net help
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* @ingroup net
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* @brief Helper functions for networking as byte order conversions and checksum calculations
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*/
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2013-08-15 10:17:15 +02:00
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#ifndef COMMON_H_
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#define COMMON_H_
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#include <string.h>
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#include <stdint.h>
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#define BITSET(var,pos) ((var) & (1<<(pos)))
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#define HTONS(a) ((((uint16_t) (a) >> 8) & 0xff) | ((((uint16_t) (a)) & 0xff) << 8))
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#define HTONL(a) ((((uint32_t) (a) & 0xff000000) >> 24) | \
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(((uint32_t) (a) & 0x00ff0000) >> 8) | \
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(((uint32_t) (a) & 0x0000ff00) << 8) | \
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(((uint32_t) (a) & 0x000000ff) << 24))
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#define NTOHS HTONS
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#define NTOHL HTONL
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#define CMP_IPV6_ADDR(a, b) (memcmp(a, b, 16))
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uint16_t csum(uint16_t sum, uint8_t *buf, uint16_t len);
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void printArrayRange(uint8_t *array, uint16_t len, char *str);
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#endif /* COMMON_H_ */
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