HAPI- Tech / Mbed 2 deprecated ika_shouyu_poppoyaki

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Fork of ika_shouyu_poppoyaki by Tedd OKANO

writing.cpp@35:0b434ef4af49, 2013-09-26 (annotated)

Committer:
okano
Date:
Thu Sep 26 12:56:01 2013 +0000
Revision:
35:0b434ef4af49
Parent:
30:e0d7524661ca
Child:
41:74b9ff21098f
added: warning/error by compile option settings

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 30:e0d7524661ca 7 #include "isp.h"
okano 22:bd98a782fba6 8
okano 22:bd98a782fba6 9
okano 29:96e28bc1bd99 10 int write_uuencoded_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start, int *total_size_p );
okano 29:96e28bc1bd99 11 int write_binary_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start, int *total_size_p );
okano 22:bd98a782fba6 12 int get_flash_writing_size( int ram_size, unsigned int ram_start );
okano 22:bd98a782fba6 13
okano 22:bd98a782fba6 14
okano 29:96e28bc1bd99 15 int write_flash( FILE *fp, target_param *tpp, int *transferred_size_p )
okano 22:bd98a782fba6 16 {
okano 22:bd98a782fba6 17 if ( tpp->write_type == BINARY )
okano 29:96e28bc1bd99 18 return ( write_binary_data( fp, tpp->ram_size, tpp->sector_size, tpp->ram_start_address, transferred_size_p ) );
okano 22:bd98a782fba6 19 else // UUENCODE
okano 29:96e28bc1bd99 20 return ( write_uuencoded_data( fp, tpp->ram_size, tpp->sector_size, tpp->ram_start_address, transferred_size_p ) );
okano 22:bd98a782fba6 21 }
okano 22:bd98a782fba6 22
okano 22:bd98a782fba6 23
okano 29:96e28bc1bd99 24 int write_uuencoded_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start, int *total_size_p )
okano 22:bd98a782fba6 25 {
okano 22:bd98a782fba6 26 #define BYTES_PER_LINE 45
okano 22:bd98a782fba6 27
okano 22:bd98a782fba6 28 char command_str[ STR_BUFF_SIZE ];
okano 22:bd98a782fba6 29 long checksum = 0;
okano 29:96e28bc1bd99 30 int size;
okano 22:bd98a782fba6 31 int total_size = 0;
okano 22:bd98a782fba6 32
okano 22:bd98a782fba6 33 int flash_writing_size;
okano 22:bd98a782fba6 34 int lines_per_transfer;
okano 22:bd98a782fba6 35 int transfer_size;
okano 22:bd98a782fba6 36
okano 22:bd98a782fba6 37 char *b;
okano 22:bd98a782fba6 38
okano 29:96e28bc1bd99 39
okano 22:bd98a782fba6 40 initialize_uue_table();
okano 22:bd98a782fba6 41
okano 22:bd98a782fba6 42 flash_writing_size = get_flash_writing_size( ram_size, ram_start );
okano 22:bd98a782fba6 43 lines_per_transfer = ((flash_writing_size / BYTES_PER_LINE) + 1);
okano 22:bd98a782fba6 44 transfer_size = (((flash_writing_size + 11) / 12) * 12);
okano 22:bd98a782fba6 45
okano 22:bd98a782fba6 46 // char b[ transfer_size ]; // this can be done in mbed-compiler. but I should do it in common way
okano 22:bd98a782fba6 47
okano 22:bd98a782fba6 48 if ( NULL == (b = (char *)malloc( transfer_size * sizeof( char ) )) )
okano 28:689c3880e0e4 49 return( ERROR_AT_MALLOC_FOR_WRITE_BUFF );
okano 22:bd98a782fba6 50
okano 22:bd98a782fba6 51 for ( int i = flash_writing_size; i < transfer_size; i++ )
okano 22:bd98a782fba6 52 b[ i ] = 0; // this is not neccesary but just stuffing stuffing bytes
okano 22:bd98a782fba6 53
okano 22:bd98a782fba6 54 while ( size = fread( b, sizeof( char ), flash_writing_size, fp ) ) {
okano 22:bd98a782fba6 55
okano 22:bd98a782fba6 56 if ( !total_size ) {
okano 22:bd98a782fba6 57 // overwriting 4 bytes data for address=0x1C
okano 22:bd98a782fba6 58 // there is a slot for checksum that is checked in (target's) boot process
okano 22:bd98a782fba6 59 add_isp_checksum( b );
okano 22:bd98a782fba6 60 }
okano 22:bd98a782fba6 61
okano 22:bd98a782fba6 62 sprintf( command_str, "W %ld %ld\r\n", ram_start, transfer_size );
okano 35:0b434ef4af49 63 if ( try_and_check( command_str, "0" ) )
okano 27:2b5c1eb39bb5 64 return ( ERROR_AT_WRITE_COMMAND );
okano 22:bd98a782fba6 65
okano 22:bd98a782fba6 66 for ( int i = 0; i < lines_per_transfer; i++ ) {
okano 22:bd98a782fba6 67
okano 22:bd98a782fba6 68 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 69
okano 22:bd98a782fba6 70 // printf( " data -- %02d %s\r", i, command_str );
okano 22:bd98a782fba6 71
okano 22:bd98a782fba6 72 put_string( command_str );
okano 22:bd98a782fba6 73
okano 22:bd98a782fba6 74 if ( !((i + 1) % 20) ) {
okano 28:689c3880e0e4 75 if ( send_RAM_transfer_checksum( checksum ) )
okano 28:689c3880e0e4 76 return ( ERROR_AT_SENDING_CHECKSUM );
okano 28:689c3880e0e4 77
okano 22:bd98a782fba6 78 checksum = 0;
okano 22:bd98a782fba6 79 }
okano 22:bd98a782fba6 80 }
okano 22:bd98a782fba6 81
okano 28:689c3880e0e4 82 if ( send_RAM_transfer_checksum( checksum ) )
okano 28:689c3880e0e4 83 return ( ERROR_AT_SENDING_CHECKSUM );
okano 28:689c3880e0e4 84
okano 22:bd98a782fba6 85 checksum = 0;
okano 22:bd98a782fba6 86
okano 22:bd98a782fba6 87 sprintf( command_str, "P %d %d\r\n", total_size / sector_size, total_size / sector_size );
okano 35:0b434ef4af49 88 if ( try_and_check( command_str, "0" ) )
okano 28:689c3880e0e4 89 return ( ERROR_AT_PREPARE_COMMAND );
okano 22:bd98a782fba6 90
okano 22:bd98a782fba6 91 sprintf( command_str, "C %d %d %d\r\n", total_size, ram_start, flash_writing_size );
okano 35:0b434ef4af49 92 if ( try_and_check( command_str, "0" ) )
okano 27:2b5c1eb39bb5 93 return ( ERROR_AT_COPY_COMMAND );
okano 22:bd98a782fba6 94
okano 22:bd98a782fba6 95 total_size += size;
okano 22:bd98a782fba6 96 }
okano 22:bd98a782fba6 97
okano 22:bd98a782fba6 98 free( b );
okano 29:96e28bc1bd99 99 *total_size_p = total_size;
okano 22:bd98a782fba6 100
okano 27:2b5c1eb39bb5 101 return ( NO_ERROR );
okano 22:bd98a782fba6 102 }
okano 22:bd98a782fba6 103
okano 22:bd98a782fba6 104
okano 29:96e28bc1bd99 105 int write_binary_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start, int *total_size_p )
okano 22:bd98a782fba6 106 {
okano 22:bd98a782fba6 107 char command_str[ STR_BUFF_SIZE ];
okano 29:96e28bc1bd99 108 int total_size = 0;
okano 22:bd98a782fba6 109 int size;
okano 22:bd98a782fba6 110 int flash_writing_size;
okano 22:bd98a782fba6 111 char *b;
okano 22:bd98a782fba6 112
okano 29:96e28bc1bd99 113
okano 22:bd98a782fba6 114 flash_writing_size = 256;
okano 22:bd98a782fba6 115
okano 22:bd98a782fba6 116 if ( NULL == (b = (char *)malloc( flash_writing_size * sizeof( char ) )) )
okano 28:689c3880e0e4 117 return( ERROR_AT_MALLOC_FOR_WRITE_BUFF );
okano 22:bd98a782fba6 118
okano 22:bd98a782fba6 119 while ( size = fread( b, sizeof( char ), flash_writing_size, fp ) ) {
okano 22:bd98a782fba6 120
okano 22:bd98a782fba6 121 if ( !total_size ) {
okano 22:bd98a782fba6 122 // overwriting 4 bytes data for address=0x1C
okano 22:bd98a782fba6 123 // there is a slot for checksum that is checked in (target's) boot process
okano 22:bd98a782fba6 124 add_isp_checksum( b );
okano 22:bd98a782fba6 125 }
okano 22:bd98a782fba6 126
okano 22:bd98a782fba6 127 sprintf( command_str, "W %ld %ld\r\n", ram_start, flash_writing_size );
okano 35:0b434ef4af49 128 if ( try_and_check( command_str, "0" ) )
okano 27:2b5c1eb39bb5 129 return ( ERROR_AT_WRITE_COMMAND );
okano 22:bd98a782fba6 130
okano 22:bd98a782fba6 131 put_binary( b, flash_writing_size );
okano 22:bd98a782fba6 132 put_string( "\r\n" );
okano 22:bd98a782fba6 133
okano 22:bd98a782fba6 134 sprintf( command_str, "P %d %d\r\n", total_size / sector_size, total_size / sector_size );
okano 35:0b434ef4af49 135 if ( try_and_check( command_str, "0" ) )
okano 28:689c3880e0e4 136 return ( ERROR_AT_PREPARE_COMMAND );
okano 22:bd98a782fba6 137
okano 22:bd98a782fba6 138 sprintf( command_str, "C %d %d %d\r\n", total_size, ram_start, flash_writing_size );
okano 35:0b434ef4af49 139 if ( try_and_check( command_str, "0" ) )
okano 27:2b5c1eb39bb5 140 return ( ERROR_AT_COPY_COMMAND );
okano 22:bd98a782fba6 141
okano 22:bd98a782fba6 142 total_size += size;
okano 22:bd98a782fba6 143 //printf( " total %d bytes transferred\r", total_size );
okano 22:bd98a782fba6 144
okano 22:bd98a782fba6 145 }
okano 22:bd98a782fba6 146
okano 22:bd98a782fba6 147 free( b );
okano 29:96e28bc1bd99 148 *total_size_p = total_size;
okano 22:bd98a782fba6 149
okano 27:2b5c1eb39bb5 150 return ( NO_ERROR );
okano 22:bd98a782fba6 151 }
okano 22:bd98a782fba6 152
okano 22:bd98a782fba6 153
okano 22:bd98a782fba6 154 void add_isp_checksum( char *b )
okano 22:bd98a782fba6 155 {
okano 22:bd98a782fba6 156 // see http://www.lpcware.com/content/nxpfile/lpc177x8x-checksum-insertion-program
okano 22:bd98a782fba6 157
okano 22:bd98a782fba6 158 unsigned int *p;
okano 22:bd98a782fba6 159 unsigned int cksum = 0;
okano 22:bd98a782fba6 160
okano 22:bd98a782fba6 161 p = (unsigned int *)b;
okano 22:bd98a782fba6 162
okano 22:bd98a782fba6 163 for ( int i = 0; i < 7; i++ ) {
okano 22:bd98a782fba6 164 cksum += *p++;
okano 22:bd98a782fba6 165 }
okano 22:bd98a782fba6 166
okano 22:bd98a782fba6 167 printf( " -- value at checksum slot : 0x%08X\r\n", *p );
okano 22:bd98a782fba6 168
okano 22:bd98a782fba6 169 *p = 0xFFFFFFFF - cksum + 1;
okano 22:bd98a782fba6 170 printf( " -- calculated checksum : 0x%08X\r\n", *p );
okano 22:bd98a782fba6 171
okano 26:a63e73885b21 172 printf( " new checksum will be used programing flash\r\n" );
okano 22:bd98a782fba6 173 }
okano 22:bd98a782fba6 174
okano 22:bd98a782fba6 175
okano 22:bd98a782fba6 176 int get_flash_writing_size( int ram_size, unsigned int ram_start )
okano 22:bd98a782fba6 177 {
okano 22:bd98a782fba6 178 int flash_writing_size[] = {
okano 22:bd98a782fba6 179 4096,
okano 22:bd98a782fba6 180 1024,
okano 22:bd98a782fba6 181 512,
okano 22:bd98a782fba6 182 256
okano 22:bd98a782fba6 183 };
okano 22:bd98a782fba6 184 int available_size;
okano 22:bd98a782fba6 185 int i;
okano 22:bd98a782fba6 186
okano 22:bd98a782fba6 187 available_size = ram_size - (ram_start & 0xFFFF);
okano 22:bd98a782fba6 188
okano 22:bd98a782fba6 189 for ( i = 0; i < sizeof( flash_writing_size ) / sizeof( int ); i++ ) {
okano 22:bd98a782fba6 190 if ( flash_writing_size[ i ] < available_size )
okano 22:bd98a782fba6 191 break;
okano 22:bd98a782fba6 192 }
okano 22:bd98a782fba6 193
okano 22:bd98a782fba6 194 return ( flash_writing_size[ i ] );
okano 28:689c3880e0e4 195 }
okano 28:689c3880e0e4 196
okano 28:689c3880e0e4 197
okano 28:689c3880e0e4 198 int post_writing_process( target_param *tpp )
okano 28:689c3880e0e4 199 {
okano 28:689c3880e0e4 200 if ( tpp->write_type == UUENCODE )
okano 35:0b434ef4af49 201 return ( try_and_check( "G 0 T\r\n", "0" ) );
okano 28:689c3880e0e4 202 else
okano 28:689c3880e0e4 203 return ( 0 );
okano 28:689c3880e0e4 204 }
okano 28:689c3880e0e4 205