CMSIS2000  0.0.7
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find_file.c
См. документацию.
1 /*
2  * CMSIS2000
3  * CMSIS-like sources for LPC2xxx series MCUs
4  *
5  * (C) Copyright 2011-2012, Dmitriy Cherepanov, All Rights Reserved
6  *
7  * Version: 0.0.7
8  * Date of the Last Update: 2013-03-04
9  *
10  * Permission is hereby granted, free of charge, to any person obtaining a copy
11  * of this software and associated documentation files (the "Software"), to
12  * deal in the Software without restriction, including without limitation the
13  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
14  * sell copies of the Software, and to permit persons to whom the Software is
15  * furnished to do so, subject to the following conditions:
16  *
17  * The above copyright notice and this permission notice shall be included in
18  * all copies or substantial portions of the Software.
19  *
20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
26  * IN THE SOFTWARE.
27  *
28  * Do not be lasy! For the latest version see http://irtos.sourceforge.net .
29  *
30  *
31 #*/
32 /*----------------------------------------------------------------------------*/
33 /**
34 \file uboot file load from fat fs
35 \author Cherepanov Dmitiy
36 */
37 /*----------------------------------------------------------------------------*/
38 #include "ff.h"
39 #include "../uboot/uboot_load_file.h"
40 
41 #include <stdint.h>
42 #include <string.h>
43 
44 
45 #define PRINT_Log(a,b)
46 #ifndef FILENAME_prog_bin
47  #define FILENAME_prog_bin "uboot_firmware.h"
48 #endif
49 
50 extern char disk_initialize (char) ; //из драйверов - переменная показываюшая статус
51 FATFS Fatfs[_VOLUMES]; /* File system object for each logical drive */
52 /**
53 find and load uboot file at external flash or something else
54  and load to MCU after free_space_start adress
55  \par free_space_start
56  \return address of image placed or 0 if load is failed
57 */
58 void load_file_from_external_source_to(void * free_area_adress)
59 {
60 FIL fdw;
61 uint_fast8_t i,vol = _VOLUMES;
62  for (i =0; i<_VOLUMES; i++){/* for each local drive */
63  if (disk_initialize(i) == 0){
64  f_mount(i, &Fatfs[i]);
65  memset(&fdw,0,sizeof(fdw));
67  {
68  free_area_adress = load_uboot_file(&fdw,free_area_adress);
69  f_close(&fdw);
70  } else {
71  PRINT_Log("Could not open load file %s\n", FILENAME_prog_bin);
72  return;
73  }
74  f_mount(i,(void *) 0); // eqivalent to f_umount()
75  //f_umount(i, &Fatfs[i]);
76  //disk_ioctl CTRL_EJECT()
77  }
78  }
79 }