HAPI- Tech / Mbed 2 deprecated ika_shouyu_poppoyaki

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Fork of ika_shouyu_poppoyaki by Tedd OKANO

writing.cpp@29:96e28bc1bd99, 2013-09-20 (annotated)

Committer:
okano
Date:
Fri Sep 20 01:48:26 2013 +0000
Revision:
29:96e28bc1bd99
Parent:
28:689c3880e0e4
Child:
30:e0d7524661ca
parameter added to writing and verifying functions to report transferred size

Who changed what in which revision?

UserRevisionLine numberNew contents of line
okano 22:bd98a782fba6 1
okano 22:bd98a782fba6 2 #include "mbed.h"
okano 22:bd98a782fba6 3 #include "writing.h"
okano 22:bd98a782fba6 4 #include "command_interface.h"
okano 22:bd98a782fba6 5 #include "uu_coding.h"
okano 22:bd98a782fba6 6 #include "serial_utilities.h"
okano 24:9830b4f1207b 7 #include "ika.h"
okano 28:689c3880e0e4 8 #include "error_code.h"
okano 22:bd98a782fba6 9
okano 22:bd98a782fba6 10
okano 29:96e28bc1bd99 11 int write_uuencoded_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start, int *total_size_p );
okano 29:96e28bc1bd99 12 int write_binary_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start, int *total_size_p );
okano 22:bd98a782fba6 13 int get_flash_writing_size( int ram_size, unsigned int ram_start );
okano 22:bd98a782fba6 14
okano 22:bd98a782fba6 15
okano 29:96e28bc1bd99 16 int write_flash( FILE *fp, target_param *tpp, int *transferred_size_p )
okano 22:bd98a782fba6 17 {
okano 22:bd98a782fba6 18 if ( tpp->write_type == BINARY )
okano 29:96e28bc1bd99 19 return ( write_binary_data( fp, tpp->ram_size, tpp->sector_size, tpp->ram_start_address, transferred_size_p ) );
okano 22:bd98a782fba6 20 else // UUENCODE
okano 29:96e28bc1bd99 21 return ( write_uuencoded_data( fp, tpp->ram_size, tpp->sector_size, tpp->ram_start_address, transferred_size_p ) );
okano 22:bd98a782fba6 22 }
okano 22:bd98a782fba6 23
okano 22:bd98a782fba6 24
okano 29:96e28bc1bd99 25 int write_uuencoded_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start, int *total_size_p )
okano 22:bd98a782fba6 26 {
okano 22:bd98a782fba6 27 #define BYTES_PER_LINE 45
okano 22:bd98a782fba6 28
okano 22:bd98a782fba6 29 char command_str[ STR_BUFF_SIZE ];
okano 22:bd98a782fba6 30 long checksum = 0;
okano 29:96e28bc1bd99 31 int size;
okano 22:bd98a782fba6 32 int total_size = 0;
okano 22:bd98a782fba6 33
okano 22:bd98a782fba6 34 int flash_writing_size;
okano 22:bd98a782fba6 35 int lines_per_transfer;
okano 22:bd98a782fba6 36 int transfer_size;
okano 22:bd98a782fba6 37
okano 22:bd98a782fba6 38 char *b;
okano 22:bd98a782fba6 39
okano 29:96e28bc1bd99 40
okano 22:bd98a782fba6 41 initialize_uue_table();
okano 22:bd98a782fba6 42
okano 22:bd98a782fba6 43 flash_writing_size = get_flash_writing_size( ram_size, ram_start );
okano 22:bd98a782fba6 44 lines_per_transfer = ((flash_writing_size / BYTES_PER_LINE) + 1);
okano 22:bd98a782fba6 45 transfer_size = (((flash_writing_size + 11) / 12) * 12);
okano 22:bd98a782fba6 46
okano 22:bd98a782fba6 47 // char b[ transfer_size ]; // this can be done in mbed-compiler. but I should do it in common way
okano 22:bd98a782fba6 48
okano 22:bd98a782fba6 49 if ( NULL == (b = (char *)malloc( transfer_size * sizeof( char ) )) )
okano 28:689c3880e0e4 50 return( ERROR_AT_MALLOC_FOR_WRITE_BUFF );
okano 22:bd98a782fba6 51
okano 22:bd98a782fba6 52 for ( int i = flash_writing_size; i < transfer_size; i++ )
okano 22:bd98a782fba6 53 b[ i ] = 0; // this is not neccesary but just stuffing stuffing bytes
okano 22:bd98a782fba6 54
okano 22:bd98a782fba6 55 while ( size = fread( b, sizeof( char ), flash_writing_size, fp ) ) {
okano 22:bd98a782fba6 56
okano 22:bd98a782fba6 57 if ( !total_size ) {
okano 22:bd98a782fba6 58 // overwriting 4 bytes data for address=0x1C
okano 22:bd98a782fba6 59 // there is a slot for checksum that is checked in (target's) boot process
okano 22:bd98a782fba6 60 add_isp_checksum( b );
okano 22:bd98a782fba6 61 }
okano 22:bd98a782fba6 62
okano 22:bd98a782fba6 63 sprintf( command_str, "W %ld %ld\r\n", ram_start, transfer_size );
okano 27:2b5c1eb39bb5 64 if ( try_and_check( command_str, "0", 0 ) )
okano 27:2b5c1eb39bb5 65 return ( ERROR_AT_WRITE_COMMAND );
okano 22:bd98a782fba6 66
okano 22:bd98a782fba6 67 for ( int i = 0; i < lines_per_transfer; i++ ) {
okano 22:bd98a782fba6 68
okano 22:bd98a782fba6 69 checksum += bin2uue( b + (i * BYTES_PER_LINE), command_str, i == (lines_per_transfer - 1) ? (transfer_size % BYTES_PER_LINE) : BYTES_PER_LINE );
okano 22:bd98a782fba6 70
okano 22:bd98a782fba6 71 // printf( " data -- %02d %s\r", i, command_str );
okano 22:bd98a782fba6 72
okano 22:bd98a782fba6 73 put_string( command_str );
okano 22:bd98a782fba6 74
okano 22:bd98a782fba6 75 if ( !((i + 1) % 20) ) {
okano 28:689c3880e0e4 76 if ( send_RAM_transfer_checksum( checksum ) )
okano 28:689c3880e0e4 77 return ( ERROR_AT_SENDING_CHECKSUM );
okano 28:689c3880e0e4 78
okano 22:bd98a782fba6 79 checksum = 0;
okano 22:bd98a782fba6 80 }
okano 22:bd98a782fba6 81 }
okano 22:bd98a782fba6 82
okano 28:689c3880e0e4 83 if ( send_RAM_transfer_checksum( checksum ) )
okano 28:689c3880e0e4 84 return ( ERROR_AT_SENDING_CHECKSUM );
okano 28:689c3880e0e4 85
okano 22:bd98a782fba6 86 checksum = 0;
okano 22:bd98a782fba6 87
okano 22:bd98a782fba6 88 sprintf( command_str, "P %d %d\r\n", total_size / sector_size, total_size / sector_size );
okano 27:2b5c1eb39bb5 89 if ( try_and_check( command_str, "0", 0 ) )
okano 28:689c3880e0e4 90 return ( ERROR_AT_PREPARE_COMMAND );
okano 22:bd98a782fba6 91
okano 22:bd98a782fba6 92 sprintf( command_str, "C %d %d %d\r\n", total_size, ram_start, flash_writing_size );
okano 27:2b5c1eb39bb5 93 if ( try_and_check( command_str, "0", 0 ) )
okano 27:2b5c1eb39bb5 94 return ( ERROR_AT_COPY_COMMAND );
okano 22:bd98a782fba6 95
okano 22:bd98a782fba6 96 total_size += size;
okano 22:bd98a782fba6 97 }
okano 22:bd98a782fba6 98
okano 22:bd98a782fba6 99 free( b );
okano 29:96e28bc1bd99 100 *total_size_p = total_size;
okano 22:bd98a782fba6 101
okano 27:2b5c1eb39bb5 102 return ( NO_ERROR );
okano 22:bd98a782fba6 103 }
okano 22:bd98a782fba6 104
okano 22:bd98a782fba6 105
okano 29:96e28bc1bd99 106 int write_binary_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start, int *total_size_p )
okano 22:bd98a782fba6 107 {
okano 22:bd98a782fba6 108 char command_str[ STR_BUFF_SIZE ];
okano 29:96e28bc1bd99 109 int total_size = 0;
okano 22:bd98a782fba6 110 int size;
okano 22:bd98a782fba6 111 int flash_writing_size;
okano 22:bd98a782fba6 112 char *b;
okano 22:bd98a782fba6 113
okano 29:96e28bc1bd99 114
okano 22:bd98a782fba6 115 flash_writing_size = 256;
okano 22:bd98a782fba6 116
okano 22:bd98a782fba6 117 if ( NULL == (b = (char *)malloc( flash_writing_size * sizeof( char ) )) )
okano 28:689c3880e0e4 118 return( ERROR_AT_MALLOC_FOR_WRITE_BUFF );
okano 22:bd98a782fba6 119
okano 22:bd98a782fba6 120 while ( size = fread( b, sizeof( char ), flash_writing_size, fp ) ) {
okano 22:bd98a782fba6 121
okano 22:bd98a782fba6 122 if ( !total_size ) {
okano 22:bd98a782fba6 123 // overwriting 4 bytes data for address=0x1C
okano 22:bd98a782fba6 124 // there is a slot for checksum that is checked in (target's) boot process
okano 22:bd98a782fba6 125 add_isp_checksum( b );
okano 22:bd98a782fba6 126 }
okano 22:bd98a782fba6 127
okano 22:bd98a782fba6 128 sprintf( command_str, "W %ld %ld\r\n", ram_start, flash_writing_size );
okano 27:2b5c1eb39bb5 129 if ( try_and_check( command_str, "0", 0 ) )
okano 27:2b5c1eb39bb5 130 return ( ERROR_AT_WRITE_COMMAND );
okano 22:bd98a782fba6 131
okano 22:bd98a782fba6 132 put_binary( b, flash_writing_size );
okano 22:bd98a782fba6 133 put_string( "\r\n" );
okano 22:bd98a782fba6 134
okano 22:bd98a782fba6 135 sprintf( command_str, "P %d %d\r\n", total_size / sector_size, total_size / sector_size );
okano 27:2b5c1eb39bb5 136 if ( try_and_check( command_str, "0", 0 ) )
okano 28:689c3880e0e4 137 return ( ERROR_AT_PREPARE_COMMAND );
okano 22:bd98a782fba6 138
okano 22:bd98a782fba6 139 sprintf( command_str, "C %d %d %d\r\n", total_size, ram_start, flash_writing_size );
okano 27:2b5c1eb39bb5 140 if ( try_and_check( command_str, "0", 0 ) )
okano 27:2b5c1eb39bb5 141 return ( ERROR_AT_COPY_COMMAND );
okano 22:bd98a782fba6 142
okano 22:bd98a782fba6 143 total_size += size;
okano 22:bd98a782fba6 144 //printf( " total %d bytes transferred\r", total_size );
okano 22:bd98a782fba6 145
okano 22:bd98a782fba6 146 }
okano 22:bd98a782fba6 147
okano 22:bd98a782fba6 148 free( b );
okano 29:96e28bc1bd99 149 *total_size_p = total_size;
okano 22:bd98a782fba6 150
okano 27:2b5c1eb39bb5 151 return ( NO_ERROR );
okano 22:bd98a782fba6 152 }
okano 22:bd98a782fba6 153
okano 22:bd98a782fba6 154
okano 22:bd98a782fba6 155 void add_isp_checksum( char *b )
okano 22:bd98a782fba6 156 {
okano 22:bd98a782fba6 157 // see http://www.lpcware.com/content/nxpfile/lpc177x8x-checksum-insertion-program
okano 22:bd98a782fba6 158
okano 22:bd98a782fba6 159 unsigned int *p;
okano 22:bd98a782fba6 160 unsigned int cksum = 0;
okano 22:bd98a782fba6 161
okano 22:bd98a782fba6 162 p = (unsigned int *)b;
okano 22:bd98a782fba6 163
okano 22:bd98a782fba6 164 for ( int i = 0; i < 7; i++ ) {
okano 22:bd98a782fba6 165 cksum += *p++;
okano 22:bd98a782fba6 166 }
okano 22:bd98a782fba6 167
okano 22:bd98a782fba6 168 printf( " -- value at checksum slot : 0x%08X\r\n", *p );
okano 22:bd98a782fba6 169
okano 22:bd98a782fba6 170 *p = 0xFFFFFFFF - cksum + 1;
okano 22:bd98a782fba6 171 printf( " -- calculated checksum : 0x%08X\r\n", *p );
okano 22:bd98a782fba6 172
okano 26:a63e73885b21 173 printf( " new checksum will be used programing flash\r\n" );
okano 22:bd98a782fba6 174 }
okano 22:bd98a782fba6 175
okano 22:bd98a782fba6 176
okano 22:bd98a782fba6 177 int get_flash_writing_size( int ram_size, unsigned int ram_start )
okano 22:bd98a782fba6 178 {
okano 22:bd98a782fba6 179 int flash_writing_size[] = {
okano 22:bd98a782fba6 180 4096,
okano 22:bd98a782fba6 181 1024,
okano 22:bd98a782fba6 182 512,
okano 22:bd98a782fba6 183 256
okano 22:bd98a782fba6 184 };
okano 22:bd98a782fba6 185 int available_size;
okano 22:bd98a782fba6 186 int i;
okano 22:bd98a782fba6 187
okano 22:bd98a782fba6 188 available_size = ram_size - (ram_start & 0xFFFF);
okano 22:bd98a782fba6 189
okano 22:bd98a782fba6 190 for ( i = 0; i < sizeof( flash_writing_size ) / sizeof( int ); i++ ) {
okano 22:bd98a782fba6 191 if ( flash_writing_size[ i ] < available_size )
okano 22:bd98a782fba6 192 break;
okano 22:bd98a782fba6 193 }
okano 22:bd98a782fba6 194
okano 22:bd98a782fba6 195 return ( flash_writing_size[ i ] );
okano 28:689c3880e0e4 196 }
okano 28:689c3880e0e4 197
okano 28:689c3880e0e4 198
okano 28:689c3880e0e4 199 int post_writing_process( target_param *tpp )
okano 28:689c3880e0e4 200 {
okano 28:689c3880e0e4 201 if ( tpp->write_type == UUENCODE )
okano 28:689c3880e0e4 202 return ( try_and_check( "G 0 T\r\n", "0", 0 ) );
okano 28:689c3880e0e4 203 else
okano 28:689c3880e0e4 204 return ( 0 );
okano 28:689c3880e0e4 205 }
okano 28:689c3880e0e4 206