Hello,i have come back to create the socket ( only three now) iand i´m using an example of communication lwip in AVR32 EVK1100.
now i have the problem in the bind the second socket say me error.
what happend , have i need to change the value of lwipopt.h?
Thank Oscar
the code
static char BufferRx[TAM_RX_RTU]; static char BufferTx[TAM_TX_RTU]; static int aSocket; //Accepted Socket. Static global for other task acce static int lSocket; //Local Socket
static struct sockaddr_in sLocalAddr; static struct sockaddr_in sRemoteAddr; static int aSocket1; //Accepted Socket. Static global for other task acce static int lSocket1; //Local Socket static struct sockaddr_in sLocalAddr1;
static struct sockaddr_in sRemoteAddr1;
portTASK_FUNCTION( vBasicTFTPServer, pvParameters ) { //Local variables of function ==> maybe put global int i,result,nbytesRx; int PortConnection=0x1600;
int PortConnection1=0x1500; long code_command,length_command; int maxfd; fd_set readset;
//Create the NUM_SOCKET connection to wait the accept print_dbg(" Inicializando Socket \n");
//Create the socket lSocket = lwip_socket(AF_INET, SOCK_STREAM, 0); if (lSocket<0) return;
//Create the socket lSocket1 = lwip_socket(AF_INET, SOCK_STREAM, 0);
if (lSocket1<0) return;
//Bind to this socket memset((char *)&sLocalAddr, 0, sizeof(sLocalAddr)); sLocalAddr.sin_family = AF_INET; sLocalAddr.sin_len = sizeof(sLocalAddr);
sLocalAddr.sin_addr.s_addr = htonl(INADDR_ANY); //!!!!CUIDADO SINO VALE CUALQUIER DIRECCION CAMBIAR!!!! sLocalAddr.sin_port = PortConnection; //Ports of the table
if (lwip_bind(lSocket,(struct sockaddr *)&sLocalAddr, sizeof(sLocalAddr)) < 0)
{ //Error. Close the socket lwip_close(lSocket); print_dbg(" Error en bind \n"); return; }
//Bind to this socket
memset((char *)&sLocalAddr1, 0, sizeof(sLocalAddr1)); sLocalAddr.sin_family = AF_INET; sLocalAddr.sin_len = sizeof(sLocalAddr1); sLocalAddr.sin_addr.s_addr = htonl(INADDR_ANY); //!!!!CUIDADO SINO VALE CUALQUIER DIRECCION CAMBIAR!!!!
sLocalAddr.sin_port = PortConnection1; //Ports of the table
if (lwip_bind(lSocket1,(struct sockaddr *)&sLocalAddr1, sizeof(sLocalAddr1)) < 0) { //Error. Close the socket
lwip_close(lSocket1); print_dbg(" Error en bind \n"); return; }
//Listen to the 8 socket.Maximum 1 connection for socket
if ( lwip_listen(lSocket,4) != 0 ) { lwip_close(lSocket); print_dbg(" Error en listen \n"); return; }
//Listen to the 8 socket.Maximum 1 connection for socket
if ( lwip_listen(lSocket1,4) != 0 ) { lwip_close(lSocket1); print_dbg(" Error en listen \n"); return;
}
FD_ZERO(&readset); maxfd=0; print_dbg(" Metemos el Sockets por donde podemos recibir para entrar en el select \n");
FD_SET(aSocket, &readset); print_dbg("socket : "); print_dbg_ulong(aSocket); print_dbg("\n "); if (aSocket> maxfd)
maxfd = aSocket;
// Check for received packets on configured sockets (blocking ) result = select(maxfd+1, &readset, NULL, NULL, NULL);
print_dbg("select ha entrado \n");
if (result > 0) //No error
{
the file lwipop.h
#ifndef __LWIPOPTS_H__ #define __LWIPOPTS_H__
/* Include user defined options first */ // #include "conf_eth.h" #include "conf_lwip_threads.h"
#include "lwip/debug.h"
/* Define default values for unconfigured parameters. */
#define LWIP_NOASSERT 1 // To suppress some errors for now (no debug output)
/* These two control is reclaimer functions should be compiled in. Should always be turned on (1). */ #define MEM_RECLAIM 1
#define MEMP_RECLAIM 1
/* Platform specific locking */
/* * enable SYS_LIGHTWEIGHT_PROT in lwipopts.h if you want inter-task protection * for certain critical regions during buffer allocation, deallocation and memory
* allocation and deallocation. */ #define SYS_LIGHTWEIGHT_PROT 1
/* ---------- Memory options ---------- */
/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
byte alignment -> define MEM_ALIGNMENT to 2. */ #define MEM_ALIGNMENT 4
/* MEM_SIZE: the size of the heap memory. If the application will send a lot of data that needs to be copied, this should be set high. */
#define MEM_SIZE 3 * 1024
/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application sends a lot of data out of ROM (or other static memory), this should be set high. */
#define MEMP_NUM_PBUF 6
/* Number of raw connection PCBs */ #define MEMP_NUM_RAW_PCB 1
#if (TFTP_USED == 1) /* ---------- UDP options ---------- */ #define LWIP_UDP 1
#define UDP_TTL 255 /* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One per active UDP "connection". */
#define MEMP_NUM_UDP_PCB 1 #else /* ---------- UDP options ---------- */
#define LWIP_UDP 0 #define UDP_TTL 0 /* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One per active UDP "connection". */
#define MEMP_NUM_UDP_PCB 0
#endif
/* MEMP_NUM_TCP_PCB: the number of simultaneously active TCP connections. */ #define MEMP_NUM_TCP_PCB 5 /* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections. */ #define MEMP_NUM_TCP_PCB_LISTEN 5
/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments. */ #define MEMP_NUM_TCP_SEG 9 /* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts. */ #define MEMP_NUM_SYS_TIMEOUT 6
/* The following four are used only with the sequential API and can be set to 0 if the application only will use the raw API. */ /* MEMP_NUM_NETBUF: the number of struct netbufs. */ #define MEMP_NUM_NETBUF 4
/* MEMP_NUM_NETCONN: the number of struct netconns. */ #define MEMP_NUM_NETCONN 5
/* ---------- Pbuf options ---------- */ /* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
#define PBUF_POOL_SIZE 6
/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
#define PBUF_POOL_BUFSIZE 500
/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a link level header. */ #define PBUF_LINK_HLEN 16
/* ---------- TCP options ---------- */ #define LWIP_TCP 1 #define TCP_TTL 255 /* TCP receive window. */ #define TCP_WND 1500 /* Controls if TCP should queue segments that arrive out of
order. Define to 0 if your device is low on memory. */ #define TCP_QUEUE_OOSEQ 1
/* TCP Maximum segment size. */ #define TCP_MSS 1500
/* TCP sender buffer space (bytes). */
#define TCP_SND_BUF 2150
/* TCP sender buffer space (pbufs). This must be at least = 2 * TCP_SND_BUF/TCP_MSS for things to work. */ #define TCP_SND_QUEUELEN 6 * TCP_SND_BUF/TCP_MSS
/* Maximum number of retransmissions of data segments. */ #define TCP_MAXRTX 12
/* Maximum number of retransmissions of SYN segments. */ #define TCP_SYNMAXRTX 4
/**
* DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed * to sys_mbox_new() when the recvmbox is created. */
#define DEFAULT_RAW_RECVMBOX_SIZE 6
/** * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed * to sys_mbox_new() when the recvmbox is created.
*/ #define DEFAULT_UDP_RECVMBOX_SIZE 6
/** * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed
* to sys_mbox_new() when the recvmbox is created. */ #define DEFAULT_TCP_RECVMBOX_SIZE 6
/** * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections. * The queue size value itself is platform-dependent, but is passed to
* sys_mbox_new() when the acceptmbox is created. */ #define DEFAULT_ACCEPTMBOX_SIZE 6
/* ---------- IP options ---------- */
/* Define IP_FORWARD to 1 if you wish to have the ability to forward IP packets across network interfaces. If you are going to run lwIP on a device with only one network interface, define this to 0. */ #define IP_FORWARD 0
/* If defined to 1, IP options are allowed (but not parsed). If defined to 0, all packets with IP options are dropped. */ #define IP_OPTIONS 1
/* ---------- DHCP options ---------- */ /* Define LWIP_DHCP to 1 if you want DHCP configuration of interfaces. DHCP is not implemented in lwIP 0.5.1, however, so turning this on does currently not work. */
#define LWIP_DHCP 0
/* 1 if you want to do an ARP check on the offered address (recommended). */ // #define DHCP_DOES_ARP_CHECK 1
/* ------------------------------------ ---------- Thread options ----------
------------------------------------ */ /** * TCPIP_THREAD_NAME: The name assigned to the main tcpip thread. */ #define TCPIP_THREAD_NAME "TCP/IP"
/** * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread.
* The stack size value itself is platform-dependent, but is passed to * sys_thread_new() when the thread is created. */ #define TCPIP_THREAD_STACKSIZE lwipINTERFACE_STACK_SIZE
/** * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread.
* The priority value itself is platform-dependent, but is passed to * sys_thread_new() when the thread is created. */ #define TCPIP_THREAD_PRIO lwipINTERFACE_TASK_PRIORITY
/** * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages
* The queue size value itself is platform-dependent, but is passed to * sys_mbox_new() when tcpip_init is called. */ #define TCPIP_MBOX_SIZE 6
/** * SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread.
*/ #define SLIPIF_THREAD_NAME "slipif"
/** * SLIP_THREAD_STACKSIZE: The stack size used by the slipif_loop thread. * The stack size value itself is platform-dependent, but is passed to
* sys_thread_new() when the thread is created. */ #define SLIPIF_THREAD_STACKSIZE configMINIMAL_STACK_SIZE
/** * SLIPIF_THREAD_PRIO: The priority assigned to the slipif_loop thread. * The priority value itself is platform-dependent, but is passed to
* sys_thread_new() when the thread is created. */ #define SLIPIF_THREAD_PRIO 1
/** * PPP_THREAD_NAME: The name assigned to the pppMain thread. */ #define PPP_THREAD_NAME "pppMain"
/** * PPP_THREAD_STACKSIZE: The stack size used by the pppMain thread. * The stack size value itself is platform-dependent, but is passed to * sys_thread_new() when the thread is created. */ #define PPP_THREAD_STACKSIZE configMINIMAL_STACK_SIZE
/** * PPP_THREAD_PRIO: The priority assigned to the pppMain thread. * The priority value itself is platform-dependent, but is passed to * sys_thread_new() when the thread is created. */ #define PPP_THREAD_PRIO 1
/** * DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread. */ #define DEFAULT_THREAD_NAME "lwIP"
/** * DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread.
* The stack size value itself is platform-dependent, but is passed to * sys_thread_new() when the thread is created. */ #define DEFAULT_THREAD_STACKSIZE configMINIMAL_STACK_SIZE
/** * DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread.
* The priority value itself is platform-dependent, but is passed to * sys_thread_new() when the thread is created. */ #define DEFAULT_THREAD_PRIO 1