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Re: [lwip-users] UDP broadcast not working - Socket API
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From: |
Daniel Berenguer |
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Subject: |
Re: [lwip-users] UDP broadcast not working - Socket API |
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Date: |
Fri, 19 Jun 2009 15:50:56 +0200 |
Thanks Kieran for your reply.
I'm using lwIP 1.3.0 and I successfully built and ran the demo that
came with FreeRTOS, a basic http server. I can now display a simple
web page through lwIP.
this is my complete lwipopts.h code:
//-----------------------------------------------------------------------------------------------------------------------
#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__
//*****************************************************************************
//
// ---------- Platform specific locking ----------
//
//*****************************************************************************
#define SYS_LIGHTWEIGHT_PROT 1 // default is 0
#define NO_SYS 0 // default is 0
//#define MEMCPY(dst,src,len) memcpy(dst,src,len)
//#define SMEMCPY(dst,src,len) memcpy(dst,src,len)
//*****************************************************************************
//
// ---------- Memory options ----------
//
//*****************************************************************************
//#define MEM_LIBC_MALLOC 0
#define MEM_ALIGNMENT 4 // default is 1
#define MEM_SIZE (18 * 1024) // default is 1600, was 16K
//#define MEMP_OVERFLOW_CHECK 0
#define MEMP_SANITY_CHECK 1
//#define MEM_USE_POOLS 0
//#define MEMP_USE_CUSTOM_POOLS 0
//*****************************************************************************
//
// ---------- Internal Memory Pool Sizes ----------
//
//*****************************************************************************
#define MEMP_NUM_PBUF 24 // Default 16, was 16
//#define MEMP_NUM_RAW_PCB 4
//#define MEMP_NUM_UDP_PCB 4
#define MEMP_NUM_TCP_PCB 16 // Default 5, was 12
//#define MEMP_NUM_TCP_PCB_LISTEN 8
//#define MEMP_NUM_TCP_SEG 16
//#define MEMP_NUM_REASSDATA 5
//#define MEMP_NUM_ARP_QUEUE 30
//#define MEMP_NUM_IGMP_GROUP 8
#define MEMP_NUM_SYS_TIMEOUT 10
//#define MEMP_NUM_NETBUF 2
//#define MEMP_NUM_NETCONN 4
//#define MEMP_NUM_TCPIP_MSG_API 8
//#define MEMP_NUM_TCPIP_MSG_INPKT 8
#define PBUF_POOL_SIZE 24 // Default 16, was 36
//*****************************************************************************
//
// ---------- ARP options ----------
//
//*****************************************************************************
#define LWIP_ARP 1
#define ARP_TABLE_SIZE 10
#define ARP_QUEUEING 1
#define ETHARP_TRUST_IP_MAC 1
//*****************************************************************************
//
// ---------- IP options ----------
//
//*****************************************************************************
#define IP_FORWARD 0
#define IP_OPTIONS_ALLOWED 1
#define IP_REASSEMBLY 0 // default is 1
#define IP_FRAG 0 // default is 1
//#define IP_REASS_MAXAGE 3
//#define IP_REASS_MAX_PBUFS 10
//#define IP_FRAG_USES_STATIC_BUF 1
//#define IP_FRAG_MAX_MTU 1500
#define IP_DEFAULT_TTL 255
//*****************************************************************************
//
// ---------- ICMP options ----------
//
//*****************************************************************************
#define LWIP_ICMP 1
#define ICMP_TTL (IP_DEFAULT_TTL)
//*****************************************************************************
//
// ---------- RAW options ----------
//
//*****************************************************************************
//#define LWIP_RAW 1
//#define RAW_TTL (IP_DEFAULT_TTL)
//*****************************************************************************
//
// ---------- DHCP options ----------
//
//*****************************************************************************
#define LWIP_DHCP 1 // default is 0
//#define DHCP_DOES_ARP_CHECK ((LWIP_DHCP) && (LWIP_ARP))
//*****************************************************************************
//
// ---------- UPNP options ----------
//
//*****************************************************************************
//#define LWIP_UPNP 0
//*****************************************************************************
//
// ---------- PTPD options ----------
//
//*****************************************************************************
//#define LWIP_PTPD 0
//*****************************************************************************
//
// ---------- AUTOIP options ----------
//
//*****************************************************************************
#define LWIP_AUTOIP 0 // default is 0
#define LWIP_DHCP_AUTOIP_COOP ((LWIP_DHCP) && (LWIP_AUTOIP))
// default is 0
//*****************************************************************************
//
// ---------- SNMP options ----------
//
//*****************************************************************************
//#define LWIP_SNMP 0
//#define SNMP_CONCURRENT_REQUESTS 1
//#define SNMP_TRAP_DESTINATIONS 1
//#define SNMP_PRIVATE_MIB 0
//#define SNMP_SAFE_REQUESTS 1
//*****************************************************************************
//
// ---------- IGMP options ----------
//
//*****************************************************************************
//#define LWIP_IGMP 0
//*****************************************************************************
//
// ---------- DNS options -----------
//
//*****************************************************************************
//#define LWIP_DNS 0
//#define DNS_TABLE_SIZE 4
//#define DNS_MAX_NAME_LENGTH 256
//#define DNS_MAX_SERVERS 2
//#define DNS_DOES_NAME_CHECK 1
//#define DNS_USES_STATIC_BUF 1
//#define DNS_MSG_SIZE 512
//*****************************************************************************
//
// ---------- UDP options ----------
//
//*****************************************************************************
#define LWIP_UDP 1
//#define LWIP_UDPLITE 0
#define UDP_TTL (IP_DEFAULT_TTL)
//*****************************************************************************
//
// ---------- TCP options ----------
//
//*****************************************************************************
//#define LWIP_TCP 1
#define TCP_TTL (IP_DEFAULT_TTL)
#define TCP_WND 4096 // default is 2048
//#define TCP_MAXRTX 12
//#define TCP_SYNMAXRTX 6
//#define TCP_QUEUE_OOSEQ 1
#define TCP_MSS 1500 // default is 128
//#define TCP_CALCULATE_EFF_SEND_MSS 1
#define TCP_SND_BUF (4 * TCP_MSS)
// default is 256, was 6 *
//#define TCP_SND_QUEUELEN (4 * (TCP_SND_BUF/TCP_MSS))
//#define TCP_SNDLOWAT (TCP_SND_BUF/2)
//#define TCP_LISTEN_BACKLOG 0
//#define TCP_DEFAULT_LISTEN_BACKLOG 0xff
//*****************************************************************************
//
// ---------- API options ----------
//
//*****************************************************************************
//#define LWIP_EVENT_API 0
//#define LWIP_CALLBACK_API 1
//*****************************************************************************
//
// ---------- Pbuf options ----------
//
//*****************************************************************************
#define PBUF_LINK_HLEN 16 // default is 14
#define PBUF_POOL_BUFSIZE 256
// default is
LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN)
#define ETH_PAD_SIZE 2 // default is 0
//*****************************************************************************
//
// ---------- Network Interfaces options ----------
//
//*****************************************************************************
//#define LWIP_NETIF_HOSTNAME 0
//#define LWIP_NETIF_API 0
//#define LWIP_NETIF_STATUS_CALLBACK 0
//#define LWIP_NETIF_LINK_CALLBACK 0
//#define LWIP_NETIF_HWADDRHINT 0
//*****************************************************************************
//
// ---------- LOOPIF options ----------
//
//*****************************************************************************
//#define LWIP_HAVE_LOOPIF 0
//#define LWIP_LOOPIF_MULTITHREADING 1
//*****************************************************************************
//
// ---------- Thread options ----------
//
//*****************************************************************************
#define TCPIP_THREAD_NAME "tcpip_thread"
#define TCPIP_THREAD_STACKSIZE 300
#define TCPIP_THREAD_PRIO 3
//#define TCPIP_MBOX_SIZE 0
//#define SLIPIF_THREAD_NAME "slipif_loop"
//#define SLIPIF_THREAD_STACKSIZE 0
//#define SLIPIF_THREAD_PRIO 1
//#define PPP_THREAD_NAME "pppMain"
//#define PPP_THREAD_STACKSIZE 0
//#define PPP_THREAD_PRIO 1
#define DEFAULT_THREAD_NAME "lwIP"
#define DEFAULT_THREAD_STACKSIZE 128
#define DEFAULT_THREAD_PRIO 3
//#define DEFAULT_RAW_RECVMBOX_SIZE 0
//#define DEFAULT_UDP_RECVMBOX_SIZE 0
//#define DEFAULT_TCP_RECVMBOX_SIZE 0
//#define DEFAULT_ACCEPTMBOX_SIZE 0
//*****************************************************************************
//
// ---------- Sequential layer options ----------
//
//*****************************************************************************
//#define LWIP_TCPIP_CORE_LOCKING 0
#define LWIP_NETCONN 1 // default is 1
//*****************************************************************************
//
// ---------- Socket Options ----------
//
//*****************************************************************************
#define LWIP_SOCKET 1 // default is 1
#define LWIP_COMPAT_SOCKETS 1
#define LWIP_POSIX_SOCKETS_IO_NAMES 1
//#define LWIP_TCP_KEEPALIVE 1
//#define LWIP_SO_RCVTIMEO 1
//#define LWIP_SO_RCVBUF 1
//#define SO_REUSE 0
//*****************************************************************************
//
// ---------- Statistics options ----------
//
//*****************************************************************************
#define LWIP_STATS 1
#define LWIP_STATS_DISPLAY 1
#define LINK_STATS 1
#define ETHARP_STATS (LWIP_ARP)
#define IP_STATS 1
//#define IPFRAG_STATS (IP_REASSEMBLY || IP_FRAG)
#define ICMP_STATS 1
//#define IGMP_STATS (LWIP_IGMP)
#define UDP_STATS (LWIP_UDP)
#define TCP_STATS (LWIP_TCP)
#define MEM_STATS 1
#define MEMP_STATS 1
#define SYS_STATS 1
//*****************************************************************************
//
// ---------- PPP options ----------
//
//*****************************************************************************
#define PPP_SUPPORT 0
#define PPPOE_SUPPORT 0
//#define PPPOS_SUPPORT PPP_SUPPORT
#if PPP_SUPPORT
//#define NUM_PPP 1
//#define PAP_SUPPORT 0
//#define CHAP_SUPPORT 0
//#define MSCHAP_SUPPORT 0
//#define CBCP_SUPPORT 0
//#define CCP_SUPPORT 0
//#define VJ_SUPPORT 0
//#define MD5_SUPPORT 0
//#define FSM_DEFTIMEOUT 6
//#define FSM_DEFMAXTERMREQS 2
//#define FSM_DEFMAXCONFREQS 10
//#define FSM_DEFMAXNAKLOOPS 5
//#define UPAP_DEFTIMEOUT 6
//#define UPAP_DEFREQTIME 30
//#define CHAP_DEFTIMEOUT 6
//#define CHAP_DEFTRANSMITS 10
//#define LCP_ECHOINTERVAL 0
//#define LCP_MAXECHOFAILS 3
//#define PPP_MAXIDLEFLAG 100
//#define PPP_MAXMTU 1500
//#define PPP_DEFMRU 296
#endif
//*****************************************************************************
//
// ---------- checksum options ----------
//
//*****************************************************************************
//#define CHECKSUM_GEN_IP 1
//#define CHECKSUM_GEN_UDP 1
//#define CHECKSUM_GEN_TCP 1
//#define CHECKSUM_CHECK_IP 1
//#define CHECKSUM_CHECK_UDP 1
//#define CHECKSUM_CHECK_TCP 1
//*****************************************************************************
//
// ---------- Debugging options ----------
//
//*****************************************************************************
#define U8_F "c"
#define S8_F "c"
#define X8_F "x"
#define U16_F "u"
#define S16_F "d"
#define X16_F "x"
#define U32_F "u"
#define S32_F "d"
#define X32_F "x"
//extern void LWIPDebug(const char *pcString, ...);
//#define LWIP_PLATFORM_DIAG(x) {LWIPDebug x;}
extern void LWIPDebug(const char *pcString, ...);
extern void UART1printf(const char *pcString, ...);
#define LWIP_PLATFORM_DIAG(x) {UART1printf x;}
#define LWIP_DEBUG 1
//#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_OFF
#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_OFF
//#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_WARNING
//#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_SERIOUS
//#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_SEVERE
#define LWIP_DBG_TYPES_ON LWIP_DBG_ON
//#define LWIP_DBG_TYPES_ON
(LWIP_DBG_ON|LWIP_DBG_TRACE|LWIP_DBG_STATE|LWIP_DBG_FRESH)
#define ETHARP_DEBUG LWIP_DBG_ON // default is OFF
#define NETIF_DEBUG LWIP_DBG_ON // default is OFF
#define PBUF_DEBUG LWIP_DBG_ON
#define API_LIB_DEBUG LWIP_DBG_ON
#define API_MSG_DEBUG LWIP_DBG_ON
#define SOCKETS_DEBUG LWIP_DBG_ON
#define ICMP_DEBUG LWIP_DBG_ON
#define IGMP_DEBUG LWIP_DBG_ON
#define INET_DEBUG LWIP_DBG_ON
#define IP_DEBUG LWIP_DBG_ON // default is OFF
#define IP_REASS_DEBUG LWIP_DBG_ON
#define RAW_DEBUG LWIP_DBG_ON
#define MEM_DEBUG LWIP_DBG_ON
#define MEMP_DEBUG LWIP_DBG_ON
#define SYS_DEBUG LWIP_DBG_ON
#define TCP_DEBUG LWIP_DBG_ON
#define TCP_INPUT_DEBUG LWIP_DBG_ON
#define TCP_FR_DEBUG LWIP_DBG_ON
#define TCP_RTO_DEBUG LWIP_DBG_ON
#define TCP_CWND_DEBUG LWIP_DBG_ON
#define TCP_WND_DEBUG LWIP_DBG_ON
#define TCP_OUTPUT_DEBUG LWIP_DBG_ON
#define TCP_RST_DEBUG LWIP_DBG_ON
#define TCP_QLEN_DEBUG LWIP_DBG_ON
#define UDP_DEBUG LWIP_DBG_ON // default is OFF
#define TCPIP_DEBUG LWIP_DBG_ON
#define PPP_DEBUG LWIP_DBG_ON
#define SLIP_DEBUG LWIP_DBG_ON
#define DHCP_DEBUG LWIP_DBG_ON // default is OFF
#define AUTOIP_DEBUG LWIP_DBG_ON
#define SNMP_MSG_DEBUG LWIP_DBG_ON
#define SNMP_MIB_DEBUG LWIP_DBG_ON
#define DNS_DEBUG LWIP_DBG_ON
#endif /* __LWIPOPTS_H__ */
//-----------------------------------------------------------------------------------------------------------------------
thanks again for your help,
Daniel.
2009/6/19 Kieran Mansley <address@hidden>:
> On Fri, 2009-06-19 at 13:00 +0200, Daniel Berenguer wrote:
>> In order to compile the above code, I changed lwipopts.h as follows:
>>
>> #define LWIP_SOCKET 1
>> #define LWIP_COMPAT_SOCKETS 1
>> #define LWIP_POSIX_SOCKETS_IO_NAMES 1
>>
>> As result, the program builds correctly, the "udpThread" task is
>> started but no UDP message is sent on port 1234. This makes me think
>> that there are some other options to be enabled elsewhere.
>
> Can you post your entire lwipopts.h?
>
> Any idea which version of lwIP you're using?
>
> Are you able to do other things with your device and successfully send
> packets, or is this the first thing you've tried?
>
> Kieran
>
>
>
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>