Pierre Bizouard / storage_on_flash

Stores data on the flash memory of stm32f4xx

Dependents:   DISCO-F429ZI_LCDTS_demo_richard

Fork of storage_on_flash by henning l

SOFBlock.cpp@1:801ddc4634a5, 2018-03-16 (annotated)

Committer:
pierrebizouard
Date:
Fri Mar 16 15:50:04 2018 +0000
Revision:
1:801ddc4634a5
Parent:
0:4cb438b58dc2 
added support for 429ZI up to bank 11

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hendreh 0:4cb438b58dc2 1 /*
hendreh 0:4cb438b58dc2 2 * @file SOFBlock.cpp
hendreh 0:4cb438b58dc2 3 * @author hillkim7@gmail.com
hendreh 0:4cb438b58dc2 4 *
hendreh 0:4cb438b58dc2 5 * @brief Simple storage implementation on internal MCU flash memory.
hendreh 0:4cb438b58dc2 6 *
hendreh 0:4cb438b58dc2 7 */
hendreh 0:4cb438b58dc2 8
hendreh 0:4cb438b58dc2 9 #include "SOFBlock.h"
hendreh 0:4cb438b58dc2 10 #include <string.h>
hendreh 0:4cb438b58dc2 11 #include <stdlib.h>
hendreh 0:4cb438b58dc2 12
hendreh 0:4cb438b58dc2 13
hendreh 0:4cb438b58dc2 14 SOFBlock::SOFBlock()
hendreh 0:4cb438b58dc2 15 : hblock_(NULL)
hendreh 0:4cb438b58dc2 16 {
hendreh 0:4cb438b58dc2 17 }
hendreh 0:4cb438b58dc2 18
hendreh 0:4cb438b58dc2 19 SOFBlock::~SOFBlock()
hendreh 0:4cb438b58dc2 20 {
hendreh 0:4cb438b58dc2 21 close();
hendreh 0:4cb438b58dc2 22 }
hendreh 0:4cb438b58dc2 23
hendreh 0:4cb438b58dc2 24 void SOFBlock::close()
hendreh 0:4cb438b58dc2 25 {
hendreh 0:4cb438b58dc2 26 if (hblock_ != NULL) {
hendreh 0:4cb438b58dc2 27 SOF_block_close(hblock_);
hendreh 0:4cb438b58dc2 28 hblock_ = NULL;
hendreh 0:4cb438b58dc2 29 }
hendreh 0:4cb438b58dc2 30 }
hendreh 0:4cb438b58dc2 31
hendreh 0:4cb438b58dc2 32 bool SOFBlock::format( uint8_t sector_index )
hendreh 0:4cb438b58dc2 33 {
hendreh 0:4cb438b58dc2 34 return SOF_block_format(sector_index);
hendreh 0:4cb438b58dc2 35 }
hendreh 0:4cb438b58dc2 36
hendreh 0:4cb438b58dc2 37 bool SOFBlock::get_stat( uint8_t sector_index, SOF_Statics_t &statics )
hendreh 0:4cb438b58dc2 38 {
hendreh 0:4cb438b58dc2 39 return SOF_block_get_statics(sector_index, &statics) == kSOF_ErrNone;
hendreh 0:4cb438b58dc2 40 }
hendreh 0:4cb438b58dc2 41
hendreh 0:4cb438b58dc2 42 SOFWriter::SOFWriter()
hendreh 0:4cb438b58dc2 43 {
hendreh 0:4cb438b58dc2 44
hendreh 0:4cb438b58dc2 45 }
hendreh 0:4cb438b58dc2 46
hendreh 0:4cb438b58dc2 47 SOFWriter::~SOFWriter()
hendreh 0:4cb438b58dc2 48 {
hendreh 0:4cb438b58dc2 49
hendreh 0:4cb438b58dc2 50 }
hendreh 0:4cb438b58dc2 51
hendreh 0:4cb438b58dc2 52 SOF_Error_t SOFWriter::open( uint8_t sector_index )
hendreh 0:4cb438b58dc2 53 {
hendreh 0:4cb438b58dc2 54 if (is_open()) {
hendreh 0:4cb438b58dc2 55 return kSOF_ErrBusyBlock;
hendreh 0:4cb438b58dc2 56 }
hendreh 0:4cb438b58dc2 57
hendreh 0:4cb438b58dc2 58 SOF_Error_t err;
hendreh 0:4cb438b58dc2 59
hendreh 0:4cb438b58dc2 60 hblock_ = SOF_block_create_storage(sector_index, &err);
hendreh 0:4cb438b58dc2 61
hendreh 0:4cb438b58dc2 62 return err;
hendreh 0:4cb438b58dc2 63 }
hendreh 0:4cb438b58dc2 64
hendreh 0:4cb438b58dc2 65 bool SOFWriter::write_byte_data( uint8_t c )
hendreh 0:4cb438b58dc2 66 {
hendreh 0:4cb438b58dc2 67 if (!is_open()) {
hendreh 0:4cb438b58dc2 68 return false;
hendreh 0:4cb438b58dc2 69 }
hendreh 0:4cb438b58dc2 70
hendreh 0:4cb438b58dc2 71 return SOF_block_putc(hblock_, c);
hendreh 0:4cb438b58dc2 72 }
hendreh 0:4cb438b58dc2 73
hendreh 0:4cb438b58dc2 74 size_t SOFWriter::write_data( const uint8_t *p, size_t p_size )
hendreh 0:4cb438b58dc2 75 {
hendreh 0:4cb438b58dc2 76 if (!is_open()) {
hendreh 0:4cb438b58dc2 77 return false;
hendreh 0:4cb438b58dc2 78 }
hendreh 0:4cb438b58dc2 79
hendreh 0:4cb438b58dc2 80 return SOF_block_write(hblock_, p, p_size);
hendreh 0:4cb438b58dc2 81 }
hendreh 0:4cb438b58dc2 82
hendreh 0:4cb438b58dc2 83 size_t SOFWriter::get_free_size()
hendreh 0:4cb438b58dc2 84 {
hendreh 0:4cb438b58dc2 85 if (!is_open()) {
hendreh 0:4cb438b58dc2 86 return 0;
hendreh 0:4cb438b58dc2 87 }
hendreh 0:4cb438b58dc2 88
hendreh 0:4cb438b58dc2 89 return SOF_block_get_free_size(hblock_);
hendreh 0:4cb438b58dc2 90 }
hendreh 0:4cb438b58dc2 91
hendreh 0:4cb438b58dc2 92
hendreh 0:4cb438b58dc2 93 SOFReader::SOFReader()
hendreh 0:4cb438b58dc2 94 {
hendreh 0:4cb438b58dc2 95
hendreh 0:4cb438b58dc2 96 }
hendreh 0:4cb438b58dc2 97
hendreh 0:4cb438b58dc2 98 SOFReader::~SOFReader()
hendreh 0:4cb438b58dc2 99 {
hendreh 0:4cb438b58dc2 100
hendreh 0:4cb438b58dc2 101 }
hendreh 0:4cb438b58dc2 102
hendreh 0:4cb438b58dc2 103 SOF_Error_t SOFReader::open( uint8_t sector_index )
hendreh 0:4cb438b58dc2 104 {
hendreh 0:4cb438b58dc2 105 if (is_open()) {
hendreh 0:4cb438b58dc2 106 return kSOF_ErrBusyBlock;
hendreh 0:4cb438b58dc2 107 }
hendreh 0:4cb438b58dc2 108
hendreh 0:4cb438b58dc2 109 SOF_Error_t err;
hendreh 0:4cb438b58dc2 110
hendreh 0:4cb438b58dc2 111 hblock_ = SOF_block_open_storage(sector_index, &err);
hendreh 0:4cb438b58dc2 112
hendreh 0:4cb438b58dc2 113 return err;
hendreh 0:4cb438b58dc2 114 }
hendreh 0:4cb438b58dc2 115
hendreh 0:4cb438b58dc2 116 uint8_t * SOFReader::get_physical_data_addr()
hendreh 0:4cb438b58dc2 117 {
hendreh 0:4cb438b58dc2 118 if (!is_open()) {
hendreh 0:4cb438b58dc2 119 return NULL;
hendreh 0:4cb438b58dc2 120 }
hendreh 0:4cb438b58dc2 121
hendreh 0:4cb438b58dc2 122 return SOF_block_base_addr(hblock_);
hendreh 0:4cb438b58dc2 123 }
hendreh 0:4cb438b58dc2 124
hendreh 0:4cb438b58dc2 125 size_t SOFReader::get_data_size()
hendreh 0:4cb438b58dc2 126 {
hendreh 0:4cb438b58dc2 127 if (!is_open()) {
hendreh 0:4cb438b58dc2 128 return 0;
hendreh 0:4cb438b58dc2 129 }
hendreh 0:4cb438b58dc2 130
hendreh 0:4cb438b58dc2 131 return SOF_block_storage_size(hblock_);
hendreh 0:4cb438b58dc2 132 }
hendreh 0:4cb438b58dc2 133
hendreh 0:4cb438b58dc2 134 bool SOFReader::read_byte_data( uint8_t *c )
hendreh 0:4cb438b58dc2 135 {
hendreh 0:4cb438b58dc2 136 if (!is_open()) {
hendreh 0:4cb438b58dc2 137 return false;
hendreh 0:4cb438b58dc2 138 }
hendreh 0:4cb438b58dc2 139
hendreh 0:4cb438b58dc2 140 return SOF_block_getc(hblock_, c);
hendreh 0:4cb438b58dc2 141 }
hendreh 0:4cb438b58dc2 142
hendreh 0:4cb438b58dc2 143 size_t SOFReader::read_data( uint8_t *p, size_t p_size )
hendreh 0:4cb438b58dc2 144 {
hendreh 0:4cb438b58dc2 145 if (!is_open()) {
hendreh 0:4cb438b58dc2 146 return 0;
hendreh 0:4cb438b58dc2 147 }
hendreh 0:4cb438b58dc2 148
hendreh 0:4cb438b58dc2 149 return SOF_block_read(hblock_, p, p_size);
hendreh 0:4cb438b58dc2 150 }
hendreh 0:4cb438b58dc2 151
hendreh 0:4cb438b58dc2 152
hendreh 0:4cb438b58dc2 153