1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/****************************************************************************
* config/pic32mz-starterkit/src/pic32mz_bringup.c
*
* Copyright (C) 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdio.h>
#include <unistd.h>
#include <syslog.h>
#include <errno.h>
#include <nuttx/spi/spi.h>
#include <nuttx/mmcsd.h>
#include "pic32mz-internal.h"
#include "pic32mz-starterkit.h"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nsh_sdinitialize
*
* Description:
* Initialize SPI-based microSD.
*
****************************************************************************/
#ifdef PIC32MZ_HAVE_MMCSD
static int nsh_sdinitialize(void)
{
FAR struct spi_dev_s *spi;
int ret;
/* Get the SPI port */
spi = up_spiinitialize(PIC32MZ_MMCSDSPIPORTNO);
if (!spi)
{
syslog(LOG_ERR, "ERROR: Failed to initialize SPI port %d\n",
PIC32MZ_MMCSDSPIPORTNO);
ret = -ENODEV;
goto errout;
}
syslog(LOG_INFO, "Successfully initialized SPI port %d\n",
PIC32MZ_MMCSDSPIPORTNO);
/* Bind the SPI port to the slot */
ret = mmcsd_spislotinitialize(PIC32MZ_MMCSDMINOR, PIC32MZ_MMCSLOTNO, spi);
if (ret < 0)
{
syslog(LOG_ERR,
"ERROR: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
PIC32MZ_MMCSDSPIPORTNO, PIC32MZ_MMCSLOTNO, ret);
goto errout;
}
syslog(LOG_INFO, "Successfully bound SPI port %d to MMC/SD slot %d\n",
PIC32MZ_MMCSDSPIPORTNO, PIC32MZ_MMCSLOTNO);
return OK;
errout:
return ret;
}
#else
# define nsh_sdinitialize() (OK)
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: pic32mz_bringup
*
* Description:
* Bring up board features
*
****************************************************************************/
int pic32mz_bringup(void)
{
int ret;
/* Initialize SPI-based microSD */
ret = nsh_sdinitialize();
return ret;
}
|
