util.h

00001 #ifndef UTIL_H
00002 #define UTIL_H
00003 
00004 #define htons(x)    (u16_t) ((((u16_t) (x)) << 8) | (((u16_t) (x)) >> 8))
00005 //#define ntohs(x)    htons(x)
00006 #define htonl(x)    (((x) << 24 & 0xFF000000UL) | ((x) << 8 & 0x00FF0000UL) | ((x) >> 8 & 0x0000FF00UL) | ((x) >> 24 & 0x000000FFUL))
00007 #define ntohl(x)    htonl(x)
00008 #define UIPETHERNET_FREEPACKET  1
00009 #define UIPETHERNET_SENDPACKET  2
00010 
00011 #define uip_ip_addr(addr, ip) \
00012     do { \
00013         ((u16_t *) (addr))[0] = (((ip[1]) << 8) | (ip[0])); \
00014         ((u16_t *) (addr))[1] = (((ip[3]) << 8) | (ip[2])); \
00015     } while (0)
00016 #define ip_addr_uip(a)  IpAddress(a[0] & 0xFF, a[0] >> 8, a[1] & 0xFF, a[1] >> 8)   //TODO this is not IPV6 capable
00017 
00018 #define uip_seteth_addr(eaddr) \
00019     do { \
00020         uip_ethaddr.addr[0] = eaddr[0]; \
00021         uip_ethaddr.addr[1] = eaddr[1]; \
00022         uip_ethaddr.addr[2] = eaddr[2]; \
00023         uip_ethaddr.addr[3] = eaddr[3]; \
00024         uip_ethaddr.addr[4] = eaddr[4]; \
00025         uip_ethaddr.addr[5] = eaddr[5]; \
00026     } while (0)
00027 #define BUF ((struct uip_tcpip_hdr*) &uip_buf[UIP_LLH_LEN])
00028 
00029 #endif