1 /**
2 * \ingroup MODULMACROSX
3 *
4 * \file WriteMemWordsX.c
5 *
6 * \brief Write words (16bit values) to a memory mapped location
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 "error_def.h"
43 #include "arch.h"
44 #include "edt.h"
45 #include "hal.h"
46 #include "stream.h"
47
HAL_FUNCTION(_hal_WriteMemWordsX)48 HAL_FUNCTION(_hal_WriteMemWordsX)
49 {
50 static unsigned long lLen;
51 static unsigned long lAddr;
52 short ret_value = 0;
53 unsigned short tmp_uint;
54
55 if(flags & MESSAGE_NEW_MSG)
56 {
57 if(STREAM_get_long(&lAddr) != 0)
58 {
59 return HALERR_WRITE_MEM_WORD_NO_RAM_ADDRESS;
60 }
61 if(STREAM_get_long(&lLen) == -1)
62 {
63 return HALERR_WRITE_MEM_WORD_NO_RAM_SIZE;
64 }
65 halt_cpu();
66 IHIL_Tclk(0);
67 cntrl_sig_low_byte();
68 SetReg_16Bits(0x08);
69 }
70
71 for(; lLen && (ret_value == 0); lLen--)
72 {
73 ret_value = STREAM_get_word(&tmp_uint);
74 addr_16bit();
75 SetReg_20Bits(lAddr);
76 data_to_addr();
77 SetReg_16Bits(tmp_uint);
78 IHIL_Tclk(1);
79 IHIL_Tclk(0);
80 lAddr += 2;
81 }
82
83 if(flags & MESSAGE_LAST_MSG)
84 {
85 release_cpu();
86 }
87 else if(ret_value == 1)
88 {
89 STREAM_out_change_type(RESPTYP_ACKNOWLEDGE);
90 ret_value = 0;
91 }
92 else
93 {
94 ret_value = HALERR_WRITE_MEM_WORD_UNKNOWN;
95 }
96 return(ret_value);
97 }
98