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Merge pull request #3078 from infinnovation/lwip-config 

lwip: Allow several configuration macros to be set externally (bis)
pull/3182/head
Sam Grove 2016-11-03 02:15:10 -05:00 committed by GitHub
parent 6d250a98c3 b516503fcb
commit 8b05a2a02b
2 changed files with 58 additions and 0 deletions
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42
features/FEATURE_LWIP/lwip-interface/lwipopts.h
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@ -105,12 +105,54 @@
#define LWIP_RAM_HEAP_POINTER lwip_ram_heap #define LWIP_RAM_HEAP_POINTER lwip_ram_heap
// Number of pool pbufs.
// Each requires 684 bytes of RAM.
#ifndef PBUF_POOL_SIZE
#define PBUF_POOL_SIZE 5 #define PBUF_POOL_SIZE 5
#endif
// One tcp_pcb_listen is needed for each TCPServer.
// Each requires 72 bytes of RAM.
#ifdef MBED_CONF_LWIP_TCP_SERVER_MAX
#define MEMP_NUM_TCP_PCB_LISTEN MBED_CONF_LWIP_TCP_SERVER_MAX
#else
#define MEMP_NUM_TCP_PCB_LISTEN 4 #define MEMP_NUM_TCP_PCB_LISTEN 4
#endif
// One is tcp_pcb needed for each TCPSocket.
// Each requires 196 bytes of RAM.
#ifdef MBED_CONF_LWIP_TCP_SOCKET_MAX
#define MEMP_NUM_TCP_PCB MBED_CONF_LWIP_TCP_SOCKET_MAX
#else
#define MEMP_NUM_TCP_PCB 4 #define MEMP_NUM_TCP_PCB 4
#endif
// One udp_pcb is needed for each UDPSocket.
// Each requires 84 bytes of RAM (total rounded to multiple of 512).
#ifdef MBED_CONF_LWIP_UDP_SOCKET_MAX
#define MEMP_NUM_UDP_PCB MBED_CONF_LWIP_UDP_SOCKET_MAX
#else
#define MEMP_NUM_UDP_PCB 4 #define MEMP_NUM_UDP_PCB 4
#endif
// Number of non-pool pbufs.
// Each requires 92 bytes of RAM.
#ifndef MEMP_NUM_PBUF
#define MEMP_NUM_PBUF 8 #define MEMP_NUM_PBUF 8
#endif
// Each netbuf requires 64 bytes of RAM.
#ifndef MEMP_NUM_NETBUF
#define MEMP_NUM_NETBUF 8 #define MEMP_NUM_NETBUF 8
#endif
// One netconn is needed for each UDPSocket, TCPSocket or TCPServer.
// Each requires 236 bytes of RAM (total rounded to multiple of 512).
#ifdef MBED_CONF_LWIP_SOCKET_MAX
#define MEMP_NUM_NETCONN MBED_CONF_LWIP_SOCKET_MAX
#else
#define MEMP_NUM_NETCONN 4
#endif
#define TCP_QUEUE_OOSEQ 0 #define TCP_QUEUE_OOSEQ 0
#define TCP_OVERSIZE 0 #define TCP_OVERSIZE 0

16
features/FEATURE_LWIP/lwip-interface/mbed_lib.json
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@ -16,6 +16,22 @@
"addr-timeout": { "addr-timeout": {
"help": "On dual stack system how long to wait preferred stack's address in seconds", "help": "On dual stack system how long to wait preferred stack's address in seconds",
"value": 5 "value": 5
},
"socket-max": {
"help": "Maximum number of open TCPServer, TCPSocket and UDPSocket instances allowed, including one used internally for DNS. Each requires 236 bytes of pre-allocated RAM",
"value": 4
},
"tcp-server-max": {
"help": "Maximum number of open TCPServer instances allowed. Each requires 72 bytes of pre-allocated RAM",
"value": 4
},
"tcp-socket-max": {
"help": "Maximum number of open TCPSocket instances allowed. Each requires 196 bytes of pre-allocated RAM",
"value": 4
},
"udp-socket-max": {
"help": "Maximum number of open UDPSocket instances allowed, including one used internally for DNS. Each requires 84 bytes of pre-allocated RAM",
"value": 4
} }
} }
} }