HAPI- Tech / Mbed 2 deprecated ika_shouyu_poppoyaki

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Fork of ika_shouyu_poppoyaki by Tedd OKANO

writing.cpp@28:689c3880e0e4, 2013-09-20 (annotated)

Committer:
okano
Date:
Fri Sep 20 00:40:08 2013 +0000
Revision:
28:689c3880e0e4
Parent:
27:2b5c1eb39bb5
Child:
29:96e28bc1bd99
made function returns error. LED1 and LED2 assigned to toggle by TX and RX

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 22:bd98a782fba6 11 int write_uuencoded_data( FILE *fp, int ram_size, int sector_size, unsigned int );
okano 22:bd98a782fba6 12 int write_binary_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start );
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 22:bd98a782fba6 16 int write_flash( FILE *fp, target_param *tpp )
okano 22:bd98a782fba6 17 {
okano 22:bd98a782fba6 18 if ( tpp->write_type == BINARY )
okano 27:2b5c1eb39bb5 19 return ( write_binary_data( fp, tpp->ram_size, tpp->sector_size, tpp->ram_start_address ) );
okano 22:bd98a782fba6 20 else // UUENCODE
okano 27:2b5c1eb39bb5 21 return ( write_uuencoded_data( fp, tpp->ram_size, tpp->sector_size, tpp->ram_start_address ) );
okano 22:bd98a782fba6 22 }
okano 22:bd98a782fba6 23
okano 22:bd98a782fba6 24
okano 22:bd98a782fba6 25 int write_uuencoded_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start )
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 22:bd98a782fba6 31 int total_size = 0;
okano 22:bd98a782fba6 32 int size;
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 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 27:2b5c1eb39bb5 63 if ( try_and_check( command_str, "0", 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 27:2b5c1eb39bb5 88 if ( try_and_check( command_str, "0", 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 27:2b5c1eb39bb5 92 if ( try_and_check( command_str, "0", 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 22:bd98a782fba6 99
okano 27:2b5c1eb39bb5 100 return ( NO_ERROR );
okano 22:bd98a782fba6 101 }
okano 22:bd98a782fba6 102
okano 22:bd98a782fba6 103
okano 22:bd98a782fba6 104 int write_binary_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start )
okano 22:bd98a782fba6 105 {
okano 22:bd98a782fba6 106 char command_str[ STR_BUFF_SIZE ];
okano 22:bd98a782fba6 107 int total_size = 0;
okano 22:bd98a782fba6 108 int size;
okano 22:bd98a782fba6 109 int flash_writing_size;
okano 22:bd98a782fba6 110 char *b;
okano 22:bd98a782fba6 111
okano 22:bd98a782fba6 112 flash_writing_size = 256;
okano 22:bd98a782fba6 113
okano 22:bd98a782fba6 114 if ( NULL == (b = (char *)malloc( flash_writing_size * sizeof( char ) )) )
okano 28:689c3880e0e4 115 return( ERROR_AT_MALLOC_FOR_WRITE_BUFF );
okano 22:bd98a782fba6 116
okano 22:bd98a782fba6 117 while ( size = fread( b, sizeof( char ), flash_writing_size, fp ) ) {
okano 22:bd98a782fba6 118
okano 22:bd98a782fba6 119 if ( !total_size ) {
okano 22:bd98a782fba6 120 // overwriting 4 bytes data for address=0x1C
okano 22:bd98a782fba6 121 // there is a slot for checksum that is checked in (target's) boot process
okano 22:bd98a782fba6 122 add_isp_checksum( b );
okano 22:bd98a782fba6 123 }
okano 22:bd98a782fba6 124
okano 22:bd98a782fba6 125 sprintf( command_str, "W %ld %ld\r\n", ram_start, flash_writing_size );
okano 27:2b5c1eb39bb5 126 if ( try_and_check( command_str, "0", 0 ) )
okano 27:2b5c1eb39bb5 127 return ( ERROR_AT_WRITE_COMMAND );
okano 22:bd98a782fba6 128
okano 22:bd98a782fba6 129 put_binary( b, flash_writing_size );
okano 22:bd98a782fba6 130 put_string( "\r\n" );
okano 22:bd98a782fba6 131
okano 22:bd98a782fba6 132 sprintf( command_str, "P %d %d\r\n", total_size / sector_size, total_size / sector_size );
okano 27:2b5c1eb39bb5 133 if ( try_and_check( command_str, "0", 0 ) )
okano 28:689c3880e0e4 134 return ( ERROR_AT_PREPARE_COMMAND );
okano 22:bd98a782fba6 135
okano 22:bd98a782fba6 136 sprintf( command_str, "C %d %d %d\r\n", total_size, ram_start, flash_writing_size );
okano 27:2b5c1eb39bb5 137 if ( try_and_check( command_str, "0", 0 ) )
okano 27:2b5c1eb39bb5 138 return ( ERROR_AT_COPY_COMMAND );
okano 22:bd98a782fba6 139
okano 22:bd98a782fba6 140 total_size += size;
okano 22:bd98a782fba6 141 //printf( " total %d bytes transferred\r", total_size );
okano 22:bd98a782fba6 142
okano 22:bd98a782fba6 143 }
okano 22:bd98a782fba6 144
okano 22:bd98a782fba6 145 free( b );
okano 22:bd98a782fba6 146
okano 27:2b5c1eb39bb5 147 return ( NO_ERROR );
okano 22:bd98a782fba6 148 }
okano 22:bd98a782fba6 149
okano 22:bd98a782fba6 150
okano 22:bd98a782fba6 151 void add_isp_checksum( char *b )
okano 22:bd98a782fba6 152 {
okano 22:bd98a782fba6 153 // see http://www.lpcware.com/content/nxpfile/lpc177x8x-checksum-insertion-program
okano 22:bd98a782fba6 154
okano 22:bd98a782fba6 155 unsigned int *p;
okano 22:bd98a782fba6 156 unsigned int cksum = 0;
okano 22:bd98a782fba6 157
okano 22:bd98a782fba6 158 p = (unsigned int *)b;
okano 22:bd98a782fba6 159
okano 22:bd98a782fba6 160 for ( int i = 0; i < 7; i++ ) {
okano 22:bd98a782fba6 161 cksum += *p++;
okano 22:bd98a782fba6 162 }
okano 22:bd98a782fba6 163
okano 22:bd98a782fba6 164 printf( " -- value at checksum slot : 0x%08X\r\n", *p );
okano 22:bd98a782fba6 165
okano 22:bd98a782fba6 166 *p = 0xFFFFFFFF - cksum + 1;
okano 22:bd98a782fba6 167 printf( " -- calculated checksum : 0x%08X\r\n", *p );
okano 22:bd98a782fba6 168
okano 26:a63e73885b21 169 printf( " new checksum will be used programing flash\r\n" );
okano 22:bd98a782fba6 170 }
okano 22:bd98a782fba6 171
okano 22:bd98a782fba6 172
okano 22:bd98a782fba6 173 int get_flash_writing_size( int ram_size, unsigned int ram_start )
okano 22:bd98a782fba6 174 {
okano 22:bd98a782fba6 175 int flash_writing_size[] = {
okano 22:bd98a782fba6 176 4096,
okano 22:bd98a782fba6 177 1024,
okano 22:bd98a782fba6 178 512,
okano 22:bd98a782fba6 179 256
okano 22:bd98a782fba6 180 };
okano 22:bd98a782fba6 181 int available_size;
okano 22:bd98a782fba6 182 int i;
okano 22:bd98a782fba6 183
okano 22:bd98a782fba6 184 available_size = ram_size - (ram_start & 0xFFFF);
okano 22:bd98a782fba6 185
okano 22:bd98a782fba6 186 for ( i = 0; i < sizeof( flash_writing_size ) / sizeof( int ); i++ ) {
okano 22:bd98a782fba6 187 if ( flash_writing_size[ i ] < available_size )
okano 22:bd98a782fba6 188 break;
okano 22:bd98a782fba6 189 }
okano 22:bd98a782fba6 190
okano 22:bd98a782fba6 191 return ( flash_writing_size[ i ] );
okano 28:689c3880e0e4 192 }
okano 28:689c3880e0e4 193
okano 28:689c3880e0e4 194
okano 28:689c3880e0e4 195 int post_writing_process( target_param *tpp )
okano 28:689c3880e0e4 196 {
okano 28:689c3880e0e4 197 if ( tpp->write_type == UUENCODE )
okano 28:689c3880e0e4 198 return ( try_and_check( "G 0 T\r\n", "0", 0 ) );
okano 28:689c3880e0e4 199 else
okano 28:689c3880e0e4 200 return ( 0 );
okano 28:689c3880e0e4 201 }
okano 28:689c3880e0e4 202