ModbusTCP_light - ModbusTCP Light This version utilize lwIP librar…

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Yuji Hosogaya / Mbed 2 deprecated ModbusTCP_light

ModbusTCP Light This version utilize lwIP library with the minimal implementation of Modbus TCP. Error processing hasn\\\'t been implemented yet.

Dependencies: mbed lwip

mbtcp.cpp@1:59cee932f289, 2012-03-16 (annotated)

Committer:: paleskyjp
Date:: Fri Mar 16 08:38:12 2012 +0000
Revision:: 1:59cee932f289
Parent:: 0:8ee5ec4bcec2

Who changed what in which revision?

User	Revision	Line number	New contents of line
paleskyjp	0:8ee5ec4bcec2	1	/*
paleskyjp	0:8ee5ec4bcec2	2	* FreeModbus Libary: mbed Port
paleskyjp	0:8ee5ec4bcec2	3	* Copyright (C) 2006 Christian Walter <wolti@sil.at>
paleskyjp	0:8ee5ec4bcec2	4	*
paleskyjp	0:8ee5ec4bcec2	5	* This library is free software; you can redistribute it and/or
paleskyjp	0:8ee5ec4bcec2	6	* modify it under the terms of the GNU Lesser General Public
paleskyjp	0:8ee5ec4bcec2	7	* License as published by the Free Software Foundation; either
paleskyjp	0:8ee5ec4bcec2	8	* version 2.1 of the License, or (at your option) any later version.
paleskyjp	0:8ee5ec4bcec2	9	*
paleskyjp	0:8ee5ec4bcec2	10	* This library is distributed in the hope that it will be useful,
paleskyjp	0:8ee5ec4bcec2	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
paleskyjp	0:8ee5ec4bcec2	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
paleskyjp	0:8ee5ec4bcec2	13	* Lesser General Public License for more details.
paleskyjp	0:8ee5ec4bcec2	14	*
paleskyjp	0:8ee5ec4bcec2	15	* You should have received a copy of the GNU Lesser General Public
paleskyjp	0:8ee5ec4bcec2	16	* License along with this library; if not, write to the Free Software
paleskyjp	0:8ee5ec4bcec2	17	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
paleskyjp	0:8ee5ec4bcec2	18	*
paleskyjp	0:8ee5ec4bcec2	19	* File: $Id: porttcp.c,v 1.1 2006/08/30 23:18:07 wolti Exp $
paleskyjp	0:8ee5ec4bcec2	20	*
paleskyjp	0:8ee5ec4bcec2	21	* modified by Yuji Hosogaya 3-16-2012
paleskyjp	0:8ee5ec4bcec2	22	*
paleskyjp	0:8ee5ec4bcec2	23	* Originally this file was porttcp.c, then combined with other files
paleskyjp	0:8ee5ec4bcec2	24	* in order to make a light version of Modbus TCP.
paleskyjp	0:8ee5ec4bcec2	25	*/
paleskyjp	0:8ee5ec4bcec2	26	#include "mbtcp.h"
paleskyjp	0:8ee5ec4bcec2	27
paleskyjp	0:8ee5ec4bcec2	28	Ethernet ethernet;
paleskyjp	0:8ee5ec4bcec2	29	struct netif netif_data;
paleskyjp	0:8ee5ec4bcec2	30
paleskyjp	0:8ee5ec4bcec2	31	/* ----------------------- MBAP Header --------------------------------------*/
paleskyjp	0:8ee5ec4bcec2	32	#define MB_TCP_UID 6
paleskyjp	0:8ee5ec4bcec2	33	#define MB_TCP_LEN 4
paleskyjp	0:8ee5ec4bcec2	34	#define MB_TCP_FUNC 7
paleskyjp	0:8ee5ec4bcec2	35
paleskyjp	0:8ee5ec4bcec2	36	/* ----------------------- Defines -----------------------------------------*/
paleskyjp	0:8ee5ec4bcec2	37	#define MB_TCP_DEFAULT_PORT 502 /* TCP listening port. */
paleskyjp	0:8ee5ec4bcec2	38	#define MB_TCP_BUF_SIZE ( 256 + 7 ) /* Must hold a complete Modbus TCP frame. */
paleskyjp	0:8ee5ec4bcec2	39
paleskyjp	0:8ee5ec4bcec2	40	/* ----------------------- Static variables ---------------------------------*/
paleskyjp	0:8ee5ec4bcec2	41	static UCHAR aucTCPBuf[MB_TCP_BUF_SIZE];
paleskyjp	0:8ee5ec4bcec2	42	static USHORT usTCPBufPos;
paleskyjp	0:8ee5ec4bcec2	43
paleskyjp	0:8ee5ec4bcec2	44	/* ----------------------- Begin implementation -----------------------------*/
paleskyjp	0:8ee5ec4bcec2	45	void EventPost(struct tcp_pcb *pcb)
paleskyjp	0:8ee5ec4bcec2	46	{
paleskyjp	0:8ee5ec4bcec2	47	USHORT usAddress,usNRegs;
paleskyjp	0:8ee5ec4bcec2	48	UCHAR txbuf[MB_TCP_BUF_SIZE];
paleskyjp	0:8ee5ec4bcec2	49	int len=0;
paleskyjp	0:8ee5ec4bcec2	50	UCHAR ucTemp;
paleskyjp	0:8ee5ec4bcec2	51	MB_STRUCT rxmbs=(MB_STRUCT )aucTCPBuf;
paleskyjp	0:8ee5ec4bcec2	52	MB_STRUCT txmbs=(MB_STRUCT )txbuf;
paleskyjp	0:8ee5ec4bcec2	53	MB_WORD_REQ wd_req=(MB_WORD_REQ )GET_DATA_PTR(rxmbs);
paleskyjp	0:8ee5ec4bcec2	54	MB_WORD_RES wd_res=(MB_WORD_RES )GET_DATA_PTR(txmbs);
paleskyjp	0:8ee5ec4bcec2	55
paleskyjp	0:8ee5ec4bcec2	56	usAddress=TO_USHORT(wd_req->ADDR_H,wd_req->ADDR_L)+1;
paleskyjp	0:8ee5ec4bcec2	57	usNRegs=TO_USHORT(wd_req->LEN_H,wd_req->LEN_L);
paleskyjp	0:8ee5ec4bcec2	58
paleskyjp	0:8ee5ec4bcec2	59	printf("TID=%04X \| PID=%04X \| LEN=%04X \| UID=%02X \| FUNC=%02X\nDATA=",
paleskyjp	0:8ee5ec4bcec2	60	GET_TID(rxmbs), GET_PID(rxmbs), GET_LEN(rxmbs), GET_UID(rxmbs), GET_FUNC(rxmbs) );
paleskyjp	0:8ee5ec4bcec2	61	for(int i=0;i<usTCPBufPos-8;i++){
paleskyjp	0:8ee5ec4bcec2	62	printf("%02X",aucTCPBuf[i+8]);
paleskyjp	0:8ee5ec4bcec2	63	}
paleskyjp	0:8ee5ec4bcec2	64	printf("\n");
paleskyjp	0:8ee5ec4bcec2	65
paleskyjp	0:8ee5ec4bcec2	66	switch(GET_FUNC(rxmbs))
paleskyjp	0:8ee5ec4bcec2	67	{
paleskyjp	0:8ee5ec4bcec2	68	case FC_RD_COILS:
paleskyjp	0:8ee5ec4bcec2	69	memcpy((char)txmbs,(char)rxmbs,8);
paleskyjp	0:8ee5ec4bcec2	70	wd_res->BYTES=usNRegs*2;
paleskyjp	0:8ee5ec4bcec2	71	len=usNRegs/8;
paleskyjp	0:8ee5ec4bcec2	72	if(usNRegs%8!=0)len++;
paleskyjp	0:8ee5ec4bcec2	73	SET_LEN(txmbs,len+3);
paleskyjp	0:8ee5ec4bcec2	74	wd_res->BYTES=(UCHAR)len;
paleskyjp	0:8ee5ec4bcec2	75
paleskyjp	0:8ee5ec4bcec2	76	eMBRegCoilsCB( (UCHAR *) &wd_res->DATA, usAddress, usNRegs, MB_REG_READ);
paleskyjp	0:8ee5ec4bcec2	77	len+=9;
paleskyjp	0:8ee5ec4bcec2	78	break;
paleskyjp	0:8ee5ec4bcec2	79
paleskyjp	0:8ee5ec4bcec2	80	case FC_RD_DISC_INPUTS:
paleskyjp	0:8ee5ec4bcec2	81	memcpy((char)txmbs,(char)rxmbs,8);
paleskyjp	0:8ee5ec4bcec2	82	wd_res->BYTES=usNRegs*2;
paleskyjp	0:8ee5ec4bcec2	83	len=usNRegs/8;
paleskyjp	0:8ee5ec4bcec2	84	if(usNRegs%8!=0)len++;
paleskyjp	0:8ee5ec4bcec2	85	SET_LEN(txmbs,len+3);
paleskyjp	0:8ee5ec4bcec2	86	wd_res->BYTES=(UCHAR)len;
paleskyjp	0:8ee5ec4bcec2	87
paleskyjp	0:8ee5ec4bcec2	88	eMBRegDiscreteCB( (UCHAR *) &wd_res->DATA, usAddress, usNRegs );
paleskyjp	0:8ee5ec4bcec2	89	len+=9;
paleskyjp	0:8ee5ec4bcec2	90	break;
paleskyjp	0:8ee5ec4bcec2	91
paleskyjp	0:8ee5ec4bcec2	92	case FC_RD_HOLDING_REGS:
paleskyjp	0:8ee5ec4bcec2	93	memcpy((char)txmbs,(char)rxmbs,8);
paleskyjp	0:8ee5ec4bcec2	94	wd_res->BYTES=usNRegs*2;
paleskyjp	0:8ee5ec4bcec2	95	len=usNRegs*2;
paleskyjp	0:8ee5ec4bcec2	96	SET_LEN(txmbs,len+3);
paleskyjp	0:8ee5ec4bcec2	97
paleskyjp	0:8ee5ec4bcec2	98	eMBRegHoldingCB( (UCHAR *)&wd_res->DATA, usAddress, usNRegs, MB_REG_READ);
paleskyjp	0:8ee5ec4bcec2	99	len+=9;
paleskyjp	0:8ee5ec4bcec2	100	break;
paleskyjp	0:8ee5ec4bcec2	101
paleskyjp	0:8ee5ec4bcec2	102	case FC_RD_INPUT_REGS:
paleskyjp	0:8ee5ec4bcec2	103	memcpy((char)txmbs,(char)rxmbs,8);
paleskyjp	0:8ee5ec4bcec2	104	wd_res->BYTES=usNRegs*2;
paleskyjp	0:8ee5ec4bcec2	105	len=usNRegs*2;
paleskyjp	0:8ee5ec4bcec2	106	SET_LEN(txmbs,len+3);
paleskyjp	0:8ee5ec4bcec2	107
paleskyjp	0:8ee5ec4bcec2	108	eMBRegInputCB( (UCHAR *)&wd_res->DATA, usAddress, usNRegs );
paleskyjp	0:8ee5ec4bcec2	109	len+=9;
paleskyjp	0:8ee5ec4bcec2	110	break;
paleskyjp	0:8ee5ec4bcec2	111
paleskyjp	0:8ee5ec4bcec2	112	case FC_WR_SINGLE_COIL:
paleskyjp	0:8ee5ec4bcec2	113	ucTemp=(wd_req->LEN_H==0x00)?0:1;
paleskyjp	0:8ee5ec4bcec2	114	len=12;
paleskyjp	0:8ee5ec4bcec2	115	memcpy((char)txmbs,(char)rxmbs,len);
paleskyjp	0:8ee5ec4bcec2	116	eMBRegCoilsCB( &ucTemp, usAddress, 1, MB_REG_WRITE);
paleskyjp	0:8ee5ec4bcec2	117	break;
paleskyjp	0:8ee5ec4bcec2	118
paleskyjp	0:8ee5ec4bcec2	119	case FC_WR_SINGLE_REG:
paleskyjp	0:8ee5ec4bcec2	120	len=12;
paleskyjp	0:8ee5ec4bcec2	121	memcpy((char)txmbs,(char)rxmbs,12);
paleskyjp	0:8ee5ec4bcec2	122	eMBRegHoldingCB( &wd_req->LEN_H, usAddress, 1, MB_REG_WRITE );
paleskyjp	0:8ee5ec4bcec2	123	break;
paleskyjp	0:8ee5ec4bcec2	124
paleskyjp	0:8ee5ec4bcec2	125	case FC_WR_MULTI_COILS:
paleskyjp	0:8ee5ec4bcec2	126	len=12;
paleskyjp	0:8ee5ec4bcec2	127	memcpy((char)txmbs,(char)rxmbs,len);
paleskyjp	0:8ee5ec4bcec2	128	SET_LEN(txmbs,6);
paleskyjp	0:8ee5ec4bcec2	129
paleskyjp	0:8ee5ec4bcec2	130	eMBRegCoilsCB( &wd_req->DATA[1], usAddress, usNRegs, MB_REG_WRITE);
paleskyjp	0:8ee5ec4bcec2	131	break;
paleskyjp	0:8ee5ec4bcec2	132
paleskyjp	0:8ee5ec4bcec2	133	case FC_WR_MULTI_REGS:
paleskyjp	0:8ee5ec4bcec2	134	len=12;
paleskyjp	0:8ee5ec4bcec2	135	memcpy((char)txmbs,(char)rxmbs,len);
paleskyjp	0:8ee5ec4bcec2	136	SET_LEN(txmbs,6);
paleskyjp	0:8ee5ec4bcec2	137
paleskyjp	0:8ee5ec4bcec2	138	eMBRegHoldingCB( &wd_req->DATA[1], usAddress, usNRegs, MB_REG_WRITE);
paleskyjp	0:8ee5ec4bcec2	139	break;
paleskyjp	0:8ee5ec4bcec2	140	case FC_RD_WR_MULTI_REGS:
paleskyjp	0:8ee5ec4bcec2	141	memcpy((char)txmbs,(char)rxmbs,8);
paleskyjp	0:8ee5ec4bcec2	142
paleskyjp	0:8ee5ec4bcec2	143	// Write operation
paleskyjp	0:8ee5ec4bcec2	144	eMBRegHoldingCB( &wd_req->DATA[5], usAddress, usNRegs, MB_REG_WRITE);
paleskyjp	0:8ee5ec4bcec2	145
paleskyjp	0:8ee5ec4bcec2	146	// Read operation
paleskyjp	0:8ee5ec4bcec2	147	usAddress=TO_USHORT(wd_req->DATA[0],wd_req->DATA[1])+1;
paleskyjp	0:8ee5ec4bcec2	148	usNRegs=TO_USHORT(wd_req->DATA[2],wd_req->DATA[3]);
paleskyjp	0:8ee5ec4bcec2	149	eMBRegHoldingCB( &wd_res->DATA, usAddress, usNRegs, MB_REG_READ);
paleskyjp	0:8ee5ec4bcec2	150
paleskyjp	0:8ee5ec4bcec2	151	len=usNRegs*2;
paleskyjp	0:8ee5ec4bcec2	152	wd_res->BYTES=len;
paleskyjp	0:8ee5ec4bcec2	153	SET_LEN(txmbs,len+3);
paleskyjp	0:8ee5ec4bcec2	154
paleskyjp	0:8ee5ec4bcec2	155	len+=9;
paleskyjp	0:8ee5ec4bcec2	156	break;
paleskyjp	0:8ee5ec4bcec2	157
paleskyjp	0:8ee5ec4bcec2	158	default:
paleskyjp	0:8ee5ec4bcec2	159	printf("UNSUPPORTED FUNCTION CODE\n");
paleskyjp	0:8ee5ec4bcec2	160	break;
paleskyjp	0:8ee5ec4bcec2	161	}
paleskyjp	0:8ee5ec4bcec2	162	if(len>0){
paleskyjp	0:8ee5ec4bcec2	163	for(int i=0;i<len;i++){
paleskyjp	0:8ee5ec4bcec2	164	printf("%02X ",txbuf[i]);
paleskyjp	0:8ee5ec4bcec2	165	}
paleskyjp	0:8ee5ec4bcec2	166	printf("\n\n");
paleskyjp	0:8ee5ec4bcec2	167	if (tcp_write(pcb, (void *)txbuf, len, 1) == ERR_OK) {
paleskyjp	0:8ee5ec4bcec2	168	tcp_output(pcb);
paleskyjp	0:8ee5ec4bcec2	169	}else{
paleskyjp	0:8ee5ec4bcec2	170	printf("Failed to send a response!!\n");
paleskyjp	0:8ee5ec4bcec2	171	}
paleskyjp	0:8ee5ec4bcec2	172	}
paleskyjp	0:8ee5ec4bcec2	173	}
paleskyjp	0:8ee5ec4bcec2	174
paleskyjp	0:8ee5ec4bcec2	175
paleskyjp	0:8ee5ec4bcec2	176	err_t recv_callback(void arg, struct tcp_pcb pcb, struct pbuf *p, err_t err)
paleskyjp	0:8ee5ec4bcec2	177	{
paleskyjp	0:8ee5ec4bcec2	178	struct netif *netif = &netif_data;
paleskyjp	0:8ee5ec4bcec2	179	unsigned short usLength;
paleskyjp	0:8ee5ec4bcec2	180	int i;
paleskyjp	0:8ee5ec4bcec2	181
paleskyjp	0:8ee5ec4bcec2	182	/* Check if status is ok and data is arrived. */
paleskyjp	0:8ee5ec4bcec2	183	if (err == ERR_OK && p != NULL) {
paleskyjp	0:8ee5ec4bcec2	184	/* Inform TCP that we have taken the data. */
paleskyjp	0:8ee5ec4bcec2	185	tcp_recved(pcb, p->tot_len);
paleskyjp	0:8ee5ec4bcec2	186
paleskyjp	0:8ee5ec4bcec2	187	memcpy( &aucTCPBuf[usTCPBufPos], p->payload, p->tot_len );
paleskyjp	0:8ee5ec4bcec2	188	usTCPBufPos += p->tot_len;
paleskyjp	0:8ee5ec4bcec2	189
paleskyjp	0:8ee5ec4bcec2	190	if( usTCPBufPos >= MB_TCP_FUNC )
paleskyjp	0:8ee5ec4bcec2	191	{
paleskyjp	0:8ee5ec4bcec2	192	/* Length is a byte count of Modbus PDU (function code + data) and the
paleskyjp	0:8ee5ec4bcec2	193	* unit identifier. */
paleskyjp	0:8ee5ec4bcec2	194	usLength = aucTCPBuf[MB_TCP_LEN] << 8U;
paleskyjp	0:8ee5ec4bcec2	195	usLength \|= aucTCPBuf[MB_TCP_LEN + 1];
paleskyjp	0:8ee5ec4bcec2	196
paleskyjp	0:8ee5ec4bcec2	197	/* Is the frame already complete. */
paleskyjp	0:8ee5ec4bcec2	198	if( usTCPBufPos < ( MB_TCP_UID + usLength ) )
paleskyjp	0:8ee5ec4bcec2	199	{
paleskyjp	0:8ee5ec4bcec2	200	}
paleskyjp	0:8ee5ec4bcec2	201	else if( usTCPBufPos == ( MB_TCP_UID + usLength ) )
paleskyjp	0:8ee5ec4bcec2	202	{
paleskyjp	0:8ee5ec4bcec2	203	for(i=0;i<usTCPBufPos;i++){
paleskyjp	0:8ee5ec4bcec2	204	printf("%02X ",aucTCPBuf[i]);
paleskyjp	0:8ee5ec4bcec2	205	}
paleskyjp	0:8ee5ec4bcec2	206	printf("\n");
paleskyjp	0:8ee5ec4bcec2	207	EventPost(pcb);
paleskyjp	0:8ee5ec4bcec2	208	usTCPBufPos=0;
paleskyjp	0:8ee5ec4bcec2	209	}
paleskyjp	0:8ee5ec4bcec2	210	else
paleskyjp	0:8ee5ec4bcec2	211	{
paleskyjp	0:8ee5ec4bcec2	212	printf("Received to many bytes! Droping client.\n" );
paleskyjp	0:8ee5ec4bcec2	213	/* This should not happen. We can't deal with such a client and
paleskyjp	0:8ee5ec4bcec2	214	* drop the connection for security reasons.
paleskyjp	0:8ee5ec4bcec2	215	*/
paleskyjp	0:8ee5ec4bcec2	216	//vvMBPortReleaseClient( pxPCB );
paleskyjp	0:8ee5ec4bcec2	217	}
paleskyjp	0:8ee5ec4bcec2	218	}
paleskyjp	0:8ee5ec4bcec2	219	pbuf_free(p);
paleskyjp	0:8ee5ec4bcec2	220	}else{
paleskyjp	0:8ee5ec4bcec2	221	/* No data arrived */
paleskyjp	0:8ee5ec4bcec2	222	/* That means the client closes the connection and sent us a packet with FIN flag set to 1. */
paleskyjp	0:8ee5ec4bcec2	223	/* We have to cleanup and destroy out TCPConnection. */
paleskyjp	0:8ee5ec4bcec2	224	printf("Connection closed by client.\r\n");
paleskyjp	0:8ee5ec4bcec2	225	pbuf_free(p);
paleskyjp	0:8ee5ec4bcec2	226	}
paleskyjp	0:8ee5ec4bcec2	227
paleskyjp	0:8ee5ec4bcec2	228	return ERR_OK;
paleskyjp	0:8ee5ec4bcec2	229	}
paleskyjp	0:8ee5ec4bcec2	230	/* Accept an incomming call on the registered port */
paleskyjp	0:8ee5ec4bcec2	231	err_t accept_callback(void arg, struct tcp_pcb npcb, err_t err) {
paleskyjp	0:8ee5ec4bcec2	232	LWIP_UNUSED_ARG(arg);
paleskyjp	0:8ee5ec4bcec2	233	/* Subscribe a receive callback function */
paleskyjp	0:8ee5ec4bcec2	234	tcp_recv(npcb, &recv_callback);
paleskyjp	0:8ee5ec4bcec2	235	/* Don't panic! Everything is fine. */
paleskyjp	0:8ee5ec4bcec2	236	printf("accepted connection\n");
paleskyjp	0:8ee5ec4bcec2	237	usTCPBufPos=0;
paleskyjp	0:8ee5ec4bcec2	238	return ERR_OK;
paleskyjp	0:8ee5ec4bcec2	239	}
paleskyjp	0:8ee5ec4bcec2	240
paleskyjp	0:8ee5ec4bcec2	241	void mb_init()
paleskyjp	0:8ee5ec4bcec2	242	{
paleskyjp	0:8ee5ec4bcec2	243	struct netif *netif = &netif_data;
paleskyjp	0:8ee5ec4bcec2	244	struct ip_addr ipaddr;
paleskyjp	0:8ee5ec4bcec2	245	struct ip_addr netmask;
paleskyjp	0:8ee5ec4bcec2	246	struct ip_addr gateway;
paleskyjp	0:8ee5ec4bcec2	247	Ticker tickFast, tickSlow, tickARP, eth_tick, dns_tick, dhcp_coarse, dhcp_fine;
paleskyjp	0:8ee5ec4bcec2	248
paleskyjp	0:8ee5ec4bcec2	249	char *hostname = "my-mbed";
paleskyjp	0:8ee5ec4bcec2	250	printf("Setting up...\n");
paleskyjp	0:8ee5ec4bcec2	251
paleskyjp	0:8ee5ec4bcec2	252	/* Start Network with DHCP */
paleskyjp	0:8ee5ec4bcec2	253	IP4_ADDR(&netmask, 255,255,255,255);
paleskyjp	0:8ee5ec4bcec2	254	IP4_ADDR(&gateway, 0,0,0,0);
paleskyjp	0:8ee5ec4bcec2	255	IP4_ADDR(&ipaddr, 0,0,0,0);
paleskyjp	0:8ee5ec4bcec2	256	/* Initialise after configuration */
paleskyjp	0:8ee5ec4bcec2	257	lwip_init();
paleskyjp	0:8ee5ec4bcec2	258	netif->hwaddr_len = ETHARP_HWADDR_LEN;
paleskyjp	0:8ee5ec4bcec2	259	device_address((char *)netif->hwaddr);
paleskyjp	0:8ee5ec4bcec2	260	netif = netif_add(netif, &ipaddr, &netmask, &gateway, NULL, device_init, ip_input);
paleskyjp	0:8ee5ec4bcec2	261	netif->hostname = hostname;
paleskyjp	0:8ee5ec4bcec2	262	netif_set_default(netif);
paleskyjp	0:8ee5ec4bcec2	263	dhcp_start(netif); // <-- Use DHCP
paleskyjp	0:8ee5ec4bcec2	264
paleskyjp	0:8ee5ec4bcec2	265	/* Initialise all needed timers */
paleskyjp	0:8ee5ec4bcec2	266	tickARP.attach_us( &etharp_tmr, ARP_TMR_INTERVAL * 1000);
paleskyjp	0:8ee5ec4bcec2	267	tickFast.attach_us(&tcp_fasttmr, TCP_FAST_INTERVAL * 1000);
paleskyjp	0:8ee5ec4bcec2	268	tickSlow.attach_us(&tcp_slowtmr, TCP_SLOW_INTERVAL * 1000);
paleskyjp	0:8ee5ec4bcec2	269	dns_tick.attach_us(&dns_tmr, DNS_TMR_INTERVAL * 1000);
paleskyjp	0:8ee5ec4bcec2	270	dhcp_coarse.attach_us(&dhcp_coarse_tmr, DHCP_COARSE_TIMER_MSECS * 1000);
paleskyjp	0:8ee5ec4bcec2	271	dhcp_fine.attach_us(&dhcp_fine_tmr, DHCP_FINE_TIMER_MSECS * 1000);
paleskyjp	0:8ee5ec4bcec2	272
paleskyjp	0:8ee5ec4bcec2	273	while (!netif_is_up(netif)) {
paleskyjp	0:8ee5ec4bcec2	274	device_poll();
paleskyjp	0:8ee5ec4bcec2	275	}
paleskyjp	0:8ee5ec4bcec2	276	printf("Setup OK\n");
paleskyjp	0:8ee5ec4bcec2	277	printf("mbed IP Address is: %d.%d.%d.%d\n", (netif->ip_addr.addr)&0xFF, (netif->ip_addr.addr>>8)&0xFF, (netif->ip_addr.addr>>16)&0xFF, (netif->ip_addr.addr>>24)&0xFF);
paleskyjp	0:8ee5ec4bcec2	278
paleskyjp	0:8ee5ec4bcec2	279	/* Bind a function to a tcp port */
paleskyjp	0:8ee5ec4bcec2	280	struct tcp_pcb *pcb = tcp_new();
paleskyjp	0:8ee5ec4bcec2	281	if (tcp_bind(pcb, IP_ADDR_ANY, 502) == ERR_OK) {
paleskyjp	0:8ee5ec4bcec2	282	pcb = tcp_listen(pcb);
paleskyjp	0:8ee5ec4bcec2	283	tcp_accept(pcb, &accept_callback);
paleskyjp	0:8ee5ec4bcec2	284	}
paleskyjp	0:8ee5ec4bcec2	285	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	16 Mar 2012
Imports:	201
Forks:	0
Commits:	2
Dependents:	0
Dependencies:	2
Followers:	14

mbtcp.cpp@1:59cee932f289, 2012-03-16 (annotated)

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