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 * ======== NameServerMessageQ.xs ========
34 */
36 var NameServerMessageQ = null;
37 var NameServer = null;
38 var Semaphore = null;
39 var Swi = null;
40 var Clock = null;
41 var Ipc = null;
42 var SyncSwi = null;
43 var GateMutex = null;
45 /*
46 * ======== module$use ========
47 */
48 function module$use()
49 {
50 NameServerMessageQ = this;
51 NameServer = xdc.useModule("ti.sdo.utils.NameServer");
52 Semaphore = xdc.useModule("ti.sysbios.knl.Semaphore");
53 Swi = xdc.useModule("ti.sysbios.knl.Swi");
54 Clock = xdc.useModule("ti.sysbios.knl.Clock");
55 Ipc = xdc.useModule("ti.sdo.ipc.Ipc");
56 SyncSwi = xdc.useModule("ti.sysbios.syncs.SyncSwi");
57 GateMutex = xdc.useModule("ti.sysbios.gates.GateMutex");
58 }
60 /*
61 * ======== module$static$init ========
62 * Initialize module values.
63 */
64 function module$static$init(mod, params)
65 {
66 mod.msgHandle = null;
67 mod.msg = null;
69 /* calculate the timeout value */
70 if (NameServerMessageQ.timeoutInMicroSecs != ~(0)) {
71 NameServerMessageQ.timeout =
72 NameServerMessageQ.timeoutInMicroSecs / Clock.tickPeriod;
73 }
74 else {
75 NameServerMessageQ.timeout = NameServerMessageQ.timeoutInMicroSecs;
76 }
78 /* create Swi with lowest priority */
79 var swiParams = new Swi.Params();
80 swiParams.priority = 0;
81 mod.swiHandle = Swi.create(NameServerMessageQ.swiFxn, swiParams);
83 /* create SyncSwi as the synchronizer */
84 var syncSwiParams = new SyncSwi.Params();
85 syncSwiParams.swi = mod.swiHandle;
86 mod.syncSwiHandle = SyncSwi.create(syncSwiParams);
88 /* create the semaphore to wait for a response message */
89 mod.semRemoteWait = Semaphore.create(0);
91 /* create GateMutex */
92 mod.gateMutex = GateMutex.create();
93 }