1 /*
2 * Copyright (c) 2012-2013, Texas Instruments Incorporated
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * * Neither the name of Texas Instruments Incorporated nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32 /*
33 * ======== ping.c ========
34 *
35 * Works with the ping_rpmsg HLOS test over the rpmsg-proto service.
36 * The ping_rpmsg test is in the linux/src/tests directory of this tree.
37 */
39 #include <xdc/std.h>
40 #include <xdc/cfg/global.h>
41 #include <xdc/runtime/System.h>
43 #include <ti/ipc/MultiProc.h>
44 #include <ti/sysbios/BIOS.h>
45 #include <ti/sysbios/knl/Task.h>
47 #include <stdio.h>
48 #include <string.h>
49 #include <stdlib.h>
51 #include <ti/ipc/rpmsg/NameMap.h>
52 #include <ti/ipc/rpmsg/RPMessage.h>
54 static UInt16 dstProc;
55 static RPMessage_Handle handle = NULL;
56 static UInt32 myEndpoint = 0;
57 static UInt32 counter = 0;
59 /* Send me a zero length data payload to tear down the MesssageQCopy object: */
60 static Void pingCallbackFxn(RPMessage_Handle h, UArg arg, Ptr data,
61 UInt16 len, UInt32 src)
62 {
63 const Char *reply = "Pong!";
64 UInt replyLen = strlen(reply) + 1;
66 System_printf("%d: Received msg: %s from %d, len:%d\n",
67 counter++, data, src, len);
69 /* Send data back to remote endpoint: */
70 RPMessage_send(dstProc, src, myEndpoint, (Ptr)reply, replyLen);
71 }
73 Void pingTaskFxn(UArg arg0, UArg arg1)
74 {
75 System_printf("ping_task at port %d: Entered...\n", arg0);
77 /* Create the messageQ for receiving, and register callback: */
78 handle = RPMessage_create(arg0, pingCallbackFxn, NULL, &myEndpoint);
79 if (!handle) {
80 System_abort("RPMessage_createEx failed\n");
81 }
83 /* Announce we are here: */
84 #ifdef RPMSG_NS_2_0
85 NameMap_register("rpmsg-proto", "rpmsg-proto", arg0);
86 #else
87 NameMap_register("rpmsg-proto", arg0);
88 #endif
90 /* Note: we don't get a chance to teardown with RPMessage_destroy() */
91 }
93 Int main(Int argc, char* argv[])
94 {
95 System_printf("%s starting..\n", MultiProc_getName(MultiProc_self()));
97 BIOS_start();
99 return (0);
100 }