minip.h

在ARM7和UC/OSII的平台上实现了GPS自动报站的功能,涉及GPS模块LEA_4S的驱动,位置速寻算法,语音芯片ISD4004的录放音驱动,LED页面管理等等.从启动代码到操作系统的移植以及到业

/*
 * FILENAME: minip.h
 *
 * Copyright  2000 By InterNiche Technologies Inc. All rights reserved
 *
 * Mini-IP compatability file. This stubs out INET directory routines
 * and variables expected by the rest of the libraries, checks for bogus
 * option settings, and generaly makes mini-IP a drop-in
 * replacment for the inet.lib
 *
 * This must be included AFTER the definitions in ipport.h - for example
 * at the end of ipport.h
 *
 * MODULE: MINET
 *
 * PORTABLE: yes
 */

#ifndef _MINIP_H_
#define  _MINIP_H_ 1

#ifndef _IPPORT_H_
#error This must be included AFTER the definitions in ipport.h
#endif

/* declare the global pointer to our one & only net iface */
/*struct net;    predecl  (yaxon del) */
extern struct net * m_netp;

/* map the IP interface calls to reflect that we only have one net */

#define if_netnumber(nptr)    0

#define ip_mymach(addr)  (m_netp->n_ipaddr)

#define if_getbynum(int)   (m_netp)

/* define away reg type - these drivers are required to recv IP and ARPs */
#define reg_type( type )


#ifdef USE_PPP
#define isbcast(ifc, address) (FALSE)  /* PPP has no broadcast */
#define MaxLnh 4
#else
#define isbcast(ifc, address) m_isbcast(address)
#define MaxLnh (ETHHDR_SIZE)
#endif


/* sanity test the ipport.h_h settings */

#ifdef MINI_IP
#ifdef   DYNAMIC_IFACES
#error DYNAMIC_IFACES option not allowed on mini build
#endif

#ifdef   IP_MULTICAST
#error IP_MULTICAST option not allowed on mini build
#endif

#ifdef   IP_FRAGMENTS
#error IP_FRAGMENTS option not allowed on mini build
#endif

#ifdef   IP_ROUTING
#error IP_ROUTING option not allowed on mini build
#endif

#ifdef   MULTI_HOMED
#error MULTI_HOMED option not allowed on mini build
#endif

#ifdef   PING_APP
#error PING_APP option not allowed on mini build
#endif

#ifdef   NATRT
#error NATRT option not allowed on mini build
#endif

#ifdef   DHCP_SERVER
#error DHCP_SERVER option not allowed on mini build
#endif

#ifdef   IP_LOOPBACK
#error IP_LOOPBACK option not allowed on mini build
#endif

#endif /* MINI_IP sanity test */

#endif   /* _MINIP_H_ - end of file */