Ankit Patel / Mbed 2 deprecated Robot_Control_UDP_Ethernet

Control a robot over the internet using UDP and a Ethernet interface.

Dependencies:   EthernetInterface Motor TextLCD mbed-rtos mbed Socket lwip-eth lwip-sys lwip

EthernetInterface/lwip/api/netifapi.c@0:1496281373a5, 2013-10-17 (annotated)

Committer:
apatel336
Date:
Thu Oct 17 13:26:38 2013 +0000
Revision:
0:1496281373a5
Initial Release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
apatel336 0:1496281373a5 1 /**
apatel336 0:1496281373a5 2 * @file
apatel336 0:1496281373a5 3 * Network Interface Sequential API module
apatel336 0:1496281373a5 4 *
apatel336 0:1496281373a5 5 */
apatel336 0:1496281373a5 6
apatel336 0:1496281373a5 7 /*
apatel336 0:1496281373a5 8 * Redistribution and use in source and binary forms, with or without modification,
apatel336 0:1496281373a5 9 * are permitted provided that the following conditions are met:
apatel336 0:1496281373a5 10 *
apatel336 0:1496281373a5 11 * 1. Redistributions of source code must retain the above copyright notice,
apatel336 0:1496281373a5 12 * this list of conditions and the following disclaimer.
apatel336 0:1496281373a5 13 * 2. Redistributions in binary form must reproduce the above copyright notice,
apatel336 0:1496281373a5 14 * this list of conditions and the following disclaimer in the documentation
apatel336 0:1496281373a5 15 * and/or other materials provided with the distribution.
apatel336 0:1496281373a5 16 * 3. The name of the author may not be used to endorse or promote products
apatel336 0:1496281373a5 17 * derived from this software without specific prior written permission.
apatel336 0:1496281373a5 18 *
apatel336 0:1496281373a5 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
apatel336 0:1496281373a5 20 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
apatel336 0:1496281373a5 21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
apatel336 0:1496281373a5 22 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
apatel336 0:1496281373a5 23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
apatel336 0:1496281373a5 24 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
apatel336 0:1496281373a5 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
apatel336 0:1496281373a5 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
apatel336 0:1496281373a5 27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
apatel336 0:1496281373a5 28 * OF SUCH DAMAGE.
apatel336 0:1496281373a5 29 *
apatel336 0:1496281373a5 30 * This file is part of the lwIP TCP/IP stack.
apatel336 0:1496281373a5 31 *
apatel336 0:1496281373a5 32 */
apatel336 0:1496281373a5 33
apatel336 0:1496281373a5 34 #include "lwip/opt.h"
apatel336 0:1496281373a5 35
apatel336 0:1496281373a5 36 #if LWIP_NETIF_API /* don't build if not configured for use in lwipopts.h */
apatel336 0:1496281373a5 37
apatel336 0:1496281373a5 38 #include "lwip/netifapi.h"
apatel336 0:1496281373a5 39 #include "lwip/tcpip.h"
apatel336 0:1496281373a5 40
apatel336 0:1496281373a5 41 /**
apatel336 0:1496281373a5 42 * Call netif_add() inside the tcpip_thread context.
apatel336 0:1496281373a5 43 */
apatel336 0:1496281373a5 44 void
apatel336 0:1496281373a5 45 do_netifapi_netif_add(struct netifapi_msg_msg *msg)
apatel336 0:1496281373a5 46 {
apatel336 0:1496281373a5 47 if (!netif_add( msg->netif,
apatel336 0:1496281373a5 48 msg->msg.add.ipaddr,
apatel336 0:1496281373a5 49 msg->msg.add.netmask,
apatel336 0:1496281373a5 50 msg->msg.add.gw,
apatel336 0:1496281373a5 51 msg->msg.add.state,
apatel336 0:1496281373a5 52 msg->msg.add.init,
apatel336 0:1496281373a5 53 msg->msg.add.input)) {
apatel336 0:1496281373a5 54 msg->err = ERR_IF;
apatel336 0:1496281373a5 55 } else {
apatel336 0:1496281373a5 56 msg->err = ERR_OK;
apatel336 0:1496281373a5 57 }
apatel336 0:1496281373a5 58 TCPIP_NETIFAPI_ACK(msg);
apatel336 0:1496281373a5 59 }
apatel336 0:1496281373a5 60
apatel336 0:1496281373a5 61 /**
apatel336 0:1496281373a5 62 * Call netif_set_addr() inside the tcpip_thread context.
apatel336 0:1496281373a5 63 */
apatel336 0:1496281373a5 64 void
apatel336 0:1496281373a5 65 do_netifapi_netif_set_addr(struct netifapi_msg_msg *msg)
apatel336 0:1496281373a5 66 {
apatel336 0:1496281373a5 67 netif_set_addr( msg->netif,
apatel336 0:1496281373a5 68 msg->msg.add.ipaddr,
apatel336 0:1496281373a5 69 msg->msg.add.netmask,
apatel336 0:1496281373a5 70 msg->msg.add.gw);
apatel336 0:1496281373a5 71 msg->err = ERR_OK;
apatel336 0:1496281373a5 72 TCPIP_NETIFAPI_ACK(msg);
apatel336 0:1496281373a5 73 }
apatel336 0:1496281373a5 74
apatel336 0:1496281373a5 75 /**
apatel336 0:1496281373a5 76 * Call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) inside the
apatel336 0:1496281373a5 77 * tcpip_thread context.
apatel336 0:1496281373a5 78 */
apatel336 0:1496281373a5 79 void
apatel336 0:1496281373a5 80 do_netifapi_netif_common(struct netifapi_msg_msg *msg)
apatel336 0:1496281373a5 81 {
apatel336 0:1496281373a5 82 if (msg->msg.common.errtfunc != NULL) {
apatel336 0:1496281373a5 83 msg->err = msg->msg.common.errtfunc(msg->netif);
apatel336 0:1496281373a5 84 } else {
apatel336 0:1496281373a5 85 msg->err = ERR_OK;
apatel336 0:1496281373a5 86 msg->msg.common.voidfunc(msg->netif);
apatel336 0:1496281373a5 87 }
apatel336 0:1496281373a5 88 TCPIP_NETIFAPI_ACK(msg);
apatel336 0:1496281373a5 89 }
apatel336 0:1496281373a5 90
apatel336 0:1496281373a5 91 /**
apatel336 0:1496281373a5 92 * Call netif_add() in a thread-safe way by running that function inside the
apatel336 0:1496281373a5 93 * tcpip_thread context.
apatel336 0:1496281373a5 94 *
apatel336 0:1496281373a5 95 * @note for params @see netif_add()
apatel336 0:1496281373a5 96 */
apatel336 0:1496281373a5 97 err_t
apatel336 0:1496281373a5 98 netifapi_netif_add(struct netif *netif,
apatel336 0:1496281373a5 99 ip_addr_t *ipaddr,
apatel336 0:1496281373a5 100 ip_addr_t *netmask,
apatel336 0:1496281373a5 101 ip_addr_t *gw,
apatel336 0:1496281373a5 102 void *state,
apatel336 0:1496281373a5 103 netif_init_fn init,
apatel336 0:1496281373a5 104 netif_input_fn input)
apatel336 0:1496281373a5 105 {
apatel336 0:1496281373a5 106 struct netifapi_msg msg;
apatel336 0:1496281373a5 107 msg.function = do_netifapi_netif_add;
apatel336 0:1496281373a5 108 msg.msg.netif = netif;
apatel336 0:1496281373a5 109 msg.msg.msg.add.ipaddr = ipaddr;
apatel336 0:1496281373a5 110 msg.msg.msg.add.netmask = netmask;
apatel336 0:1496281373a5 111 msg.msg.msg.add.gw = gw;
apatel336 0:1496281373a5 112 msg.msg.msg.add.state = state;
apatel336 0:1496281373a5 113 msg.msg.msg.add.init = init;
apatel336 0:1496281373a5 114 msg.msg.msg.add.input = input;
apatel336 0:1496281373a5 115 TCPIP_NETIFAPI(&msg);
apatel336 0:1496281373a5 116 return msg.msg.err;
apatel336 0:1496281373a5 117 }
apatel336 0:1496281373a5 118
apatel336 0:1496281373a5 119 /**
apatel336 0:1496281373a5 120 * Call netif_set_addr() in a thread-safe way by running that function inside the
apatel336 0:1496281373a5 121 * tcpip_thread context.
apatel336 0:1496281373a5 122 *
apatel336 0:1496281373a5 123 * @note for params @see netif_set_addr()
apatel336 0:1496281373a5 124 */
apatel336 0:1496281373a5 125 err_t
apatel336 0:1496281373a5 126 netifapi_netif_set_addr(struct netif *netif,
apatel336 0:1496281373a5 127 ip_addr_t *ipaddr,
apatel336 0:1496281373a5 128 ip_addr_t *netmask,
apatel336 0:1496281373a5 129 ip_addr_t *gw)
apatel336 0:1496281373a5 130 {
apatel336 0:1496281373a5 131 struct netifapi_msg msg;
apatel336 0:1496281373a5 132 msg.function = do_netifapi_netif_set_addr;
apatel336 0:1496281373a5 133 msg.msg.netif = netif;
apatel336 0:1496281373a5 134 msg.msg.msg.add.ipaddr = ipaddr;
apatel336 0:1496281373a5 135 msg.msg.msg.add.netmask = netmask;
apatel336 0:1496281373a5 136 msg.msg.msg.add.gw = gw;
apatel336 0:1496281373a5 137 TCPIP_NETIFAPI(&msg);
apatel336 0:1496281373a5 138 return msg.msg.err;
apatel336 0:1496281373a5 139 }
apatel336 0:1496281373a5 140
apatel336 0:1496281373a5 141 /**
apatel336 0:1496281373a5 142 * call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) in a thread-safe
apatel336 0:1496281373a5 143 * way by running that function inside the tcpip_thread context.
apatel336 0:1496281373a5 144 *
apatel336 0:1496281373a5 145 * @note use only for functions where there is only "netif" parameter.
apatel336 0:1496281373a5 146 */
apatel336 0:1496281373a5 147 err_t
apatel336 0:1496281373a5 148 netifapi_netif_common(struct netif *netif, netifapi_void_fn voidfunc,
apatel336 0:1496281373a5 149 netifapi_errt_fn errtfunc)
apatel336 0:1496281373a5 150 {
apatel336 0:1496281373a5 151 struct netifapi_msg msg;
apatel336 0:1496281373a5 152 msg.function = do_netifapi_netif_common;
apatel336 0:1496281373a5 153 msg.msg.netif = netif;
apatel336 0:1496281373a5 154 msg.msg.msg.common.voidfunc = voidfunc;
apatel336 0:1496281373a5 155 msg.msg.msg.common.errtfunc = errtfunc;
apatel336 0:1496281373a5 156 TCPIP_NETIFAPI(&msg);
apatel336 0:1496281373a5 157 return msg.msg.err;
apatel336 0:1496281373a5 158 }
apatel336 0:1496281373a5 159
apatel336 0:1496281373a5 160 #endif /* LWIP_NETIF_API */