1 /**
2 * \ingroup MODULMACROS
3 *
4 * \file GetJtagId.c
5 *
6 * \brief <FILEBRIEF>
7 *
8 */
9 /*
10 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
11 *
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 *
17 * Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 *
20 * Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in the
22 * documentation and/or other materials provided with the
23 * distribution.
24 *
25 * Neither the name of Texas Instruments Incorporated nor the names of
26 * its contributors may be used to endorse or promote products derived
27 * from this software without specific prior written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
30 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
31 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
32 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
33 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 */
41
42 #include "arch.h"
43 #include "edt.h"
44 #include "hal.h"
45 #include "stream.h"
46 #include "JTAG_defs.h"
47 #include "error_def.h"
48 #include "../include/hw_compiler_specific.h"
49 #include "JtagId.h"
50
51 /**
52 GetJtagId: required as seperate macro beside StartJtag to get the JtagId
53 of an individual device in the JTAG chain
54 */
HAL_FUNCTION(_hal_GetJtagId)55 HAL_FUNCTION(_hal_GetJtagId)
56 {
57 short i;
58 unsigned short JtagId = 0;
59
60 for (i = 0; i < 4; ++i)
61 {
62 JtagId = cntrl_sig_capture();
63 // now get device id pointer and core ip id
64 if (jtagIdIsValid(JtagId))
65 {
66 STREAM_put_word(JtagId);
67 return 0;
68 }
69 }// end of JTAG id scan
70 return HALERR_UNDEFINED_ERROR;
71 }
72