Contiki-NG
diskio.c
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1/*
2 * Copyright (c) 2016, Benoît Thébaudeau <benoit@wsystem.com>
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 are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31/**
32 * \addtogroup remote-fat
33 * @{
34 *
35 * \file
36 * Implementation of the default port of FatFs on RE-Mote.
37 */
38#include "diskio.h"
40#include "rtcc.h"
41
42/*----------------------------------------------------------------------------*/
43DSTATUS __attribute__((__weak__))
44disk_status(BYTE pdrv)
45{
46 return ~mmc_driver.status(pdrv);
47}
48/*----------------------------------------------------------------------------*/
49DSTATUS __attribute__((__weak__))
50disk_initialize(BYTE pdrv)
51{
52 return ~mmc_driver.initialize(pdrv);
53}
54/*----------------------------------------------------------------------------*/
55DRESULT __attribute__((__weak__))
56disk_read(BYTE pdrv, BYTE *buff, DWORD sector, UINT count)
57{
58 switch(mmc_driver.read(pdrv, buff, sector, count)) {
59 default:
61 case DISK_RESULT_IO_ERROR: return RES_ERROR;
62 case DISK_RESULT_OK: return RES_OK;
63 case DISK_RESULT_WR_PROTECTED: return RES_WRPRT;
64 case DISK_RESULT_INVALID_ARG: return RES_PARERR;
65 }
66}
67/*----------------------------------------------------------------------------*/
68DRESULT __attribute__((__weak__))
69disk_write(BYTE pdrv, const BYTE *buff, DWORD sector, UINT count)
70{
71 switch(mmc_driver.write(pdrv, buff, sector, count)) {
72 default:
74 case DISK_RESULT_IO_ERROR: return RES_ERROR;
75 case DISK_RESULT_OK: return RES_OK;
76 case DISK_RESULT_WR_PROTECTED: return RES_WRPRT;
77 case DISK_RESULT_INVALID_ARG: return RES_PARERR;
78 }
79}
80/*----------------------------------------------------------------------------*/
81DRESULT __attribute__((__weak__))
82disk_ioctl(BYTE pdrv, BYTE cmd, void *buff)
83{
84 switch(mmc_driver.ioctl(pdrv, cmd, buff)) {
85 default:
87 case DISK_RESULT_IO_ERROR: return RES_ERROR;
88 case DISK_RESULT_OK: return RES_OK;
89 case DISK_RESULT_WR_PROTECTED: return RES_WRPRT;
90 case DISK_RESULT_INVALID_ARG: return RES_PARERR;
91 }
92}
93/*----------------------------------------------------------------------------*/
94DWORD __attribute__((__weak__))
95get_fattime(void)
96{
97 simple_td_map td;
98
99 return rtcc_get_time_date(&td) == AB08_SUCCESS ?
100 (2000 + td.years - 1980) << 25 | td.months << 21 | td.day << 16 |
101 td.hours << 11 | td.minutes << 5 | td.seconds : 0;
102}
103/*----------------------------------------------------------------------------*/
104
105/** @} */
static volatile uint64_t count
Num.
Definition: clock.c:50
@ DISK_RESULT_IO_ERROR
Unrecoverable I/O error.
Definition: disk.h:68
@ DISK_RESULT_OK
Success.
Definition: disk.h:67
@ DISK_RESULT_INVALID_ARG
Invalid argument.
Definition: disk.h:71
@ DISK_RESULT_WR_PROTECTED
Write-protected medium.
Definition: disk.h:69
@ DISK_RESULT_NO_INIT
Device not initialized.
Definition: disk.h:70
int8_t rtcc_get_time_date(simple_td_map *data)
Get the current time and date.
Definition: rtcc.c:368
Header file for the SD/MMC device driver.
Header file for the RE-Mote RF antenna switch.
disk_result_t(* read)(uint8_t dev, void *buff, uint32_t sector, uint32_t count)
Read sector(s).
Definition: disk.h:83
disk_result_t(* ioctl)(uint8_t dev, uint8_t cmd, void *buff)
Control device-specific features.
Definition: disk.h:91
disk_result_t(* write)(uint8_t dev, const void *buff, uint32_t sector, uint32_t count)
Write sector(s).
Definition: disk.h:87