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Inital ARM7 code. Still needs work

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This commit is contained in:
s3rock
2007-06-21 20:19:27 +00:00
parent bddafd3c86
commit e6c21e9bb7
4 changed files with 403 additions and 0 deletions
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bacnet-stack/ports/arm7/_stdint.h
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/* Defines the standard integer types that are used in code */
/* for the x86 processor and Borland Compiler */
#ifndef STDINT_H
#define STDINT_H
#include <stddef.h>
typedef unsigned char uint8_t; /* 1 byte 0 to 255 */
typedef signed char int8_t; /* 1 byte -127 to 127 */
typedef unsigned short uint16_t; /* 2 bytes 0 to 65535 */
typedef signed short int16_t; /* 2 bytes -32767 to 32767 */
/*typedef unsigned short long uint24_t; // 3 bytes 0 to 16777215 */
typedef unsigned long uint32_t; /* 4 bytes 0 to 4294967295 */
typedef signed long int32_t; /* 4 bytes -2147483647 to 2147483647 */
/* typedef signed long long int64_t; */
/* typedef unsigned long long uint64_t; */
#endif /* STDINT_H */
bacnet-stack/ports/arm7/bip.c
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/*####COPYRIGHTBEGIN####
-------------------------------------------
Copyright (C) 2005 Steve Karg
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
The Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA.
As a special exception, if other files instantiate templates or
use macros or inline functions from this file, or you compile
this file and link it with other works to produce a work based
on this file, this file does not by itself cause the resulting
work to be covered by the GNU General Public License. However
the source code for this file must still be made available in
accordance with section (3) of the GNU General Public License.
This exception does not invalidate any other reasons why a work
based on this file might be covered by the GNU General Public
License.
-------------------------------------------
####COPYRIGHTEND####*/
#include <stdint.h> /* for standard integer types uint8_t etc. */
#include <stdbool.h> /* for the standard bool type. */
#include "bacdcode.h"
#include "bip.h"
#include "eth.h"
#include "net.h" /* custom per port */
static int BIP_Socket = -1;
/* port to use - stored in host byte order */
static uint16_t BIP_Port = 0xBAC0;
/* IP Address - stored in host byte order */
static struct in_addr BIP_Address;
/* Broadcast Address - stored in host byte order */
static struct in_addr BIP_Broadcast_Address;
void bip_set_socket(int sock_fd)
{
BIP_Socket = sock_fd;
}
int bip_socket(void)
{
return BIP_Socket;
}
bool bip_valid(void)
{
return (BIP_Socket != -1);
}
void bip_cleanup(void)
{
// if (bip_valid())
// close(BIP_Socket);
BIP_Socket = -1;
return;
}
/* set using network byte order */
void bip_set_addr(uint32_t net_address)
{
// BIP_Address.s_addr = ntohl(net_address);
BIP_Address.s_addr = net_address;
}
/* returns host byte order */
uint32_t bip_get_addr(void)
{
return BIP_Address.s_addr;
}
/* set using network byte order */
void bip_set_broadcast_addr(uint32_t net_address)
{
// BIP_Broadcast_Address.s_addr = ntohl(net_address);
BIP_Broadcast_Address.s_addr = net_address;
}
/* returns host byte order */
uint32_t bip_get_broadcast_addr(void)
{
return BIP_Broadcast_Address.s_addr;
}
/* set using host byte order */
void bip_set_port(uint16_t port)
{
BIP_Port = port;
}
/* returns host byte order */
uint16_t bip_get_port(void)
{
return BIP_Port;
}
/* function to send a packet out the BACnet/IP socket (Annex J) */
/* returns number of bytes sent on success, negative number on failure */
int bip_send_pdu(BACNET_ADDRESS * dest, /* destination address */
BACNET_NPDU_DATA * npdu_data, /* network information */
uint8_t * pdu, /* any data to be sent - may be null */
unsigned pdu_len)
{ /* number of bytes of data */
struct sockaddr_in bip_dest;
uint8_t mtu[4];
int mtu_len = 0;
int bytes_sent = 0;
UDP_HDR udphdr;
IP_HDR iphdr;
uint8_t mac[6];
(void) npdu_data;
/* assumes that the driver has already been initialized */
// if (BIP_Socket < 0)
// return BIP_Socket;
mtu[0] = BVLL_TYPE_BACNET_IP;
bip_dest.sin_family = AF_INET;
if (dest->mac_len == 6)
{
memcpy(&(bip_dest.sin_addr.s_addr),&dest->mac[0],4);
decode_unsigned16(&dest->mac[4], &(bip_dest.sin_port));
memset(&(bip_dest.sin_zero), '\0', 8);
mtu[1] = BVLC_ORIGINAL_UNICAST_NPDU;
}
/* broadcast */
else if (dest->mac_len == 0)
{
bip_dest.sin_addr.s_addr = BIP_Broadcast_Address.s_addr;
bip_dest.sin_port = htons(BIP_Port);
memset(&(bip_dest.sin_zero), '\0', 8);
mtu[1] = BVLC_ORIGINAL_BROADCAST_NPDU;
}
else
return -1;
mtu_len = 2;
mtu_len += encode_unsigned16(&mtu[mtu_len], (uint16_t) (pdu_len + 4 /*inclusive */ ));
mtu_len += pdu_len;
/* IP address should be in network byte order */
ARPIsResolved(bip_dest.sin_addr.s_addr, mac);
iphdr.vhl = 0x45;
iphdr.tos = 0;
iphdr.iplen = htons(mtu_len + sizeof(IP_HDR) + sizeof(UDP_HDR));
++ipid;
iphdr.ipid = htons(ipid);
iphdr.ipoffset[0] = iphdr.ipoffset[1] = 0;
iphdr.ttl = UIP_TTL;
iphdr.proto = UIP_PROTO_UDP;
iphdr.ipchksum = 0;
iphdr.srcipaddr = BIP_Address.s_addr;
iphdr.destipaddr = bip_dest.sin_addr.s_addr;
/* Calculate IP checksum. */
iphdr.ipchksum = ~(ip_getchksum((uint8_t*)&iphdr));
/* Ports are sent in Network byte order. BIP_Port is stored in Host byte order */
udphdr.srcport = htons(BIP_Port);
udphdr.destport = bip_dest.sin_port;
udphdr.udplen = htons(mtu_len + sizeof(UDP_HDR));
/* Not using UDP checksums */
udphdr.udpchksum = 0;
EthernetSendHeader(mac, UIP_ETHTYPE_IP);
EthernetSend((uint8_t*)&iphdr, sizeof(IP_HDR));
EthernetSend((uint8_t*)&udphdr, sizeof(UDP_HDR));
EthernetSend(mtu, 4);
EthernetSend(pdu, pdu_len);
EthernetFlush();
uip_stat.ip.sent++;
}
/* receives a BACnet/IP packet */
/* returns the number of octets in the PDU, or zero on failure */
uint16_t bip_receive(BACNET_ADDRESS * src, /* source address */
uint8_t * pdu, /* PDU data */
uint16_t max_pdu, /* amount of space available in the PDU */
unsigned timeout)
{ /* number of milliseconds to wait for a packet */
return 0;
}
void bip_get_my_address(BACNET_ADDRESS * my_address)
{
int i = 0;
my_address->mac_len = 6;
(void) encode_unsigned32(&my_address->mac[0],
htonl(BIP_Address.s_addr));
(void) encode_unsigned16(&my_address->mac[4], htons(BIP_Port));
my_address->net = 0; /* local only, no routing */
my_address->len = 0; /* no SLEN */
for (i = 0; i < MAX_MAC_LEN; i++) {
/* no SADR */
my_address->adr[i] = 0;
}
return;
}
void bip_get_broadcast_address(BACNET_ADDRESS * dest)
{ /* destination address */
int i = 0; /* counter */
if (dest) {
dest->mac_len = 6;
(void) encode_unsigned32(&dest->mac[0],
htonl(BIP_Broadcast_Address.s_addr));
(void) encode_unsigned16(&dest->mac[4], htons(BIP_Port));
dest->net = BACNET_BROADCAST_NETWORK;
dest->len = 0; /* no SLEN */
for (i = 0; i < MAX_MAC_LEN; i++) {
/* no SADR */
dest->adr[i] = 0;
}
}
return;
}
bacnet-stack/ports/arm7/net.h
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/**************************************************************************
*
* Copyright (C) 2005 Steve Karg <skarg@users.sourceforge.net>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*********************************************************************/
#ifndef NET_H
#define NET_H
#include "stdint.h"
struct sockaddr {
uint16_t sa_family;
char sa_data[14];
};
struct in_addr {
uint32_t s_addr; // load with inet_aton()
};
struct sockaddr_in
{
int16_t sin_family; // e.g. AF_INET
uint16_t sin_port; // e.g. htons(3490)
struct in_addr sin_addr; // see struct in_addr, below
char sin_zero[8]; // zero this if you want to
};
typedef int socklen_t;
/**
* Convert 16-bit quantity from host byte order to network byte order.
*
* This macro is primarily used for converting constants from host
* byte order to network byte order. For converting variables to
* network byte order, use the htons() function instead.
*
* \hideinitializer
*/
#ifndef htons
#define htons(n) ((((uint16_t)((n) & 0xff)) << 8) | (((n) & 0xff00) >> 8))
#endif /* HTONS */
#define ntohs(n) (((((uint16_t)(n) & 0xFF)) << 8) | (((uint16_t)(n) & 0xFF00) >> 8))
#define htonl(n) (((((uint32_t)(n) & 0xFF)) << 24) | \
((((uint32_t)(n) & 0xFF00)) << 8) | \
((((uint32_t)(n) & 0xFF0000)) >> 8) | \
((((uint32_t)(n) & 0xFF000000)) >> 24))
#define ntohl(n) (((((uint32_t)(n) & 0xFF)) << 24) | \
((((uint32_t)(n) & 0xFF00)) << 8) | \
((((uint32_t)(n) & 0xFF0000)) >> 8) | \
((((uint32_t)(n) & 0xFF000000)) >> 24))
#define AF_UNIX 1 /* local to host (pipes, portals) */
#define AF_INET 2 /* internetwork: UDP, TCP, etc. */
#define AF_IMPLINK 3 /* arpanet imp addresses */
#define AF_PUP 4 /* pup protocols: e.g. BSP */
#define AF_CHAOS 5 /* mit CHAOS protocols */
#define AF_NS 6 /* XEROX NS protocols */
#define AF_IPX AF_NS /* IPX protocols: IPX, SPX, etc. */
#define AF_ISO 7 /* ISO protocols */
#define AF_OSI AF_ISO /* OSI is ISO */
#define AF_ECMA 8 /* european computer manufacturers */
#define AF_DATAKIT 9 /* datakit protocols */
#define AF_CCITT 10 /* CCITT protocols, X.25 etc */
#define AF_SNA 11 /* IBM SNA */
#define AF_DECnet 12 /* DECnet */
#define AF_DLI 13 /* Direct data link interface */
#define AF_LAT 14 /* LAT */
#define AF_HYLINK 15 /* NSC Hyperchannel */
#define AF_APPLETALK 16 /* AppleTalk */
#define AF_NETBIOS 17 /* NetBios-style addresses */
#define AF_VOICEVIEW 18 /* VoiceView */
#define AF_FIREFOX 19 /* Protocols from Firefox */
#define AF_UNKNOWN1 20 /* Somebody is using this! */
#define AF_BAN 21 /* Banyan */
#define AF_ATM 22 /* Native ATM Services */
#define AF_INET6 23 /* Internetwork Version 6 */
#define AF_CLUSTER 24 /* Microsoft Wolfpack */
#define AF_12844 25 /* IEEE 1284.4 WG AF */
#define AF_IRDA 26 /* IrDA */
#define AF_NETDES 28 /* Network Designers OSI & gateway
enabled protocols */
#define AF_TCNPROCESS 29
#define AF_TCNMESSAGE 30
#define AF_ICLFXBM 31
#define AF_MAX 32
extern void set_address(uint32_t *net_address, uint8_t octet1, uint8_t octet2, uint8_t octet3, uint8_t octet4);
#endif
bacnet-stack/ports/arm7/stdbool.h
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#ifndef STDBOOL_H
#define STDBOOL_H
/* C99 Boolean types for compilers without C99 support */
#ifndef __cplusplus
//typedef int _Bool;
#ifndef bool
#define bool _Bool
#endif
#ifndef true
#define true 1
#endif
#ifndef false
#define false 0
#endif
#define __bool_true_false_are_defined 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE 1
#endif
#endif