4f4026a57acd9017ae621ec1ef9dee49cbe25f54
1 /*
2 * Copyright (c) 2011-2013, 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_tasks.c ========
34 *
35 * Works with the rpmsg_client_sample and rpmsg_server_sample Linux drivers.
36 */
38 #include <xdc/std.h>
39 #include <xdc/cfg/global.h>
40 #include <xdc/runtime/System.h>
42 #include <ti/ipc/MultiProc.h>
43 #include <ti/sysbios/BIOS.h>
44 #include <ti/sysbios/knl/Task.h>
46 #include <stdio.h>
47 #include <string.h>
48 #include <stdlib.h>
50 #include <ti/ipc/rpmsg/RPMessage.h>
51 #include <ti/ipc/rpmsg/NameMap.h>
53 #define APP_NUM_ITERATIONS 100000
55 Void copyTaskFxn(UArg arg0, UArg arg1)
56 {
57 RPMessage_Handle handle;
58 Char buffer[128];
59 Char desc[32];
60 UInt32 myEndpoint = 0;
61 UInt32 remoteEndpoint;
62 UInt16 dstProc;
63 UInt16 len;
64 Int i;
66 System_printf("copyTask sample%d:%d: Entered...:\n", arg1, arg0);
68 dstProc = MultiProc_getId("HOST");
70 /* Create the messageQ for receiving (and get our endpoint for sending). */
71 handle = RPMessage_create(arg0, NULL, NULL, &myEndpoint);
73 System_sprintf(desc, "sample%d", arg1);
75 #ifdef RPMSG_NS_2_0
76 NameMap_register("rpmsg-client-sample", desc, arg0);
77 #else
78 NameMap_register("rpmsg-client-sample", arg0);
79 #endif
81 for (i = 0; i < APP_NUM_ITERATIONS; i++) {
82 /* Await a character message: */
83 RPMessage_recv(handle, (Ptr)buffer, &len, &remoteEndpoint,
84 RPMessage_FOREVER);
86 buffer[len] = '\0';
87 System_printf("copyTask %d: Received data: %s, len:%d\n", i + 1,
88 buffer, len);
90 /* Send data back to remote endpoint: */
91 RPMessage_send(dstProc, remoteEndpoint, myEndpoint, (Ptr)buffer, len);
92 }
94 /* Teardown our side: */
95 RPMessage_delete(&handle);
96 }
98 void start_ping_tasks()
99 {
100 Task_Params params;
102 /* Respond to ping tests from Linux side rpmsg sample drivers: */
103 Task_Params_init(¶ms);
104 params.instance->name = "copy0";
105 params.priority = 3;
106 params.arg0 = 50;
107 params.arg1 = 1;
108 Task_create(copyTaskFxn, ¶ms, NULL);
110 Task_Params_init(¶ms);
111 params.instance->name = "copy1";
112 params.priority = 3;
113 params.arg0 = 51;
114 params.arg1 = 2;
115 Task_create(copyTaskFxn, ¶ms, NULL);
116 }