amiro-blt / Target / Source / file.h @ 69661903
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1 | 69661903 | Thomas Schöpping | /************************************************************************************//** |
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2 | * \file Source\file.h
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3 | * \brief Bootloader file system interface header file.
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4 | * \ingroup Core
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5 | * \internal
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6 | *----------------------------------------------------------------------------------------
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7 | * C O P Y R I G H T
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8 | *----------------------------------------------------------------------------------------
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9 | * Copyright (c) 2013 by Feaser http://www.feaser.com All rights reserved
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10 | *
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11 | *----------------------------------------------------------------------------------------
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12 | * L I C E N S E
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13 | *----------------------------------------------------------------------------------------
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14 | * This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
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15 | * modify it under the terms of the GNU General Public License as published by the Free
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16 | * Software Foundation, either version 3 of the License, or (at your option) any later
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17 | * version.
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18 | *
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19 | * OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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20 | * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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21 | * PURPOSE. See the GNU General Public License for more details.
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22 | *
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23 | * You should have received a copy of the GNU General Public License along with OpenBLT.
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24 | * If not, see <http://www.gnu.org/licenses/>.
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25 | *
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26 | * A special exception to the GPL is included to allow you to distribute a combined work
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27 | * that includes OpenBLT without being obliged to provide the source code for any
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28 | * proprietary components. The exception text is included at the bottom of the license
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29 | * file <license.html>.
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30 | *
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31 | * \endinternal
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32 | ****************************************************************************************/
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33 | #ifndef FILE_H
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34 | #define FILE_H
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35 | |||
36 | #if (BOOT_FILE_SYS_ENABLE > 0) |
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37 | /****************************************************************************************
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38 | * Include files
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39 | ****************************************************************************************/
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40 | #include "ff.h" /* FATFS file system library */ |
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41 | |||
42 | |||
43 | /****************************************************************************************
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44 | * Defines
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45 | ****************************************************************************************/
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46 | /** \brief Error code for not being able to open the firmware file. */
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47 | #define FILE_ERROR_CANNOT_OPEN_FIRMWARE_FILE (1) |
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48 | /** \brief Error code for not being able to read from the firmware file. */
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49 | #define FILE_ERROR_CANNOT_READ_FROM_FILE (2) |
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50 | /** \brief Error code because in incorrect checksum was found in the firmware file. */
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51 | #define FILE_ERROR_INVALID_CHECKSUM_IN_FILE (3) |
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52 | /** \brief Error code because the file pointers read pointer could not be rewinded. */
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53 | #define FILE_ERROR_REWINDING_FILE_READ_POINTER (4) |
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54 | /** \brief Error code because an error occurred during the memory erase operation. */
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55 | #define FILE_ERROR_CANNOT_ERASE_MEMORY (5) |
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56 | /** \brief Error code because an error occurred during the memory write operation. */
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57 | #define FILE_ERROR_CANNOT_PROGRAM_MEMORY (6) |
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58 | /** \brief Error code because the program's checksum could not be written to memory. */
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59 | #define FILE_ERROR_CANNOT_WRITE_CHECKSUM (7) |
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60 | |||
61 | /** \brief Maximum number of characters that can be on a line in the firmware file. */
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62 | #define MAX_CHARS_PER_LINE (256) |
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63 | /** \brief Maximum number of data bytes that can be on a line in the firmware file
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64 | * (S-record).
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65 | */
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66 | #define MAX_DATA_BYTES_PER_LINE (MAX_CHARS_PER_LINE/2) |
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67 | /** \brief Return code in case an invalid checksum was detected on an S-record line. */
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68 | #define ERROR_SREC_INVALID_CHECKSUM (-1) |
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69 | |||
70 | |||
71 | /****************************************************************************************
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72 | * Type definitions
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73 | ****************************************************************************************/
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74 | /** \brief Enumeration for the different S-record line types. */
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75 | typedef enum |
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76 | { |
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77 | LINE_TYPE_S1, /**< 16-bit address line */
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78 | LINE_TYPE_S2, /**< 24-bit address line */
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79 | LINE_TYPE_S3, /**< 32-bit address line */
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80 | LINE_TYPE_UNSUPPORTED /**< unsupported line */
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81 | } tSrecLineType; |
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82 | |||
83 | /** \brief Structure type for grouping the parsing results of an S-record line. */
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84 | typedef struct |
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85 | { |
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86 | blt_char line[MAX_CHARS_PER_LINE]; /**< string buffer for the line chars */
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87 | blt_int8u data[MAX_DATA_BYTES_PER_LINE]; /**< array for S1, S2 or S3 data bytes*/
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88 | blt_addr address; /**< address on S1, S2 or S3 line */
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89 | } tSrecLineParseObject; |
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90 | |||
91 | |||
92 | /****************************************************************************************
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93 | * Function prototypes
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94 | ****************************************************************************************/
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95 | void FileInit(void); |
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96 | void FileTask(void); |
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97 | blt_bool FileIsIdle(void);
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98 | blt_bool FileHandleFirmwareUpdateRequest(void);
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99 | /* functions for reading data from a Motorola S-record file. */
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100 | tSrecLineType FileSrecGetLineType(const blt_char *line);
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101 | blt_bool FileSrecVerifyChecksum(const blt_char *line);
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102 | blt_int16s FileSrecParseLine(const blt_char *line, blt_addr *address, blt_int8u *data);
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103 | |||
104 | #endif /* BOOT_FILE_SYS_ENABLE > 0 */ |
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105 | |||
106 | |||
107 | #endif /* FILE_H */ |
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108 | /*********************************** end of file.h *************************************/
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