HAPI- Tech / Mbed 2 deprecated ika_shouyu_poppoyaki

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Fork of ika_shouyu_poppoyaki by Tedd OKANO

writing.cpp@27:2b5c1eb39bb5, 2013-09-19 (annotated)

Committer:
okano
Date:
Thu Sep 19 01:08:20 2013 +0000
Revision:
27:2b5c1eb39bb5
Parent:
26:a63e73885b21
Child:
28:689c3880e0e4
{cannot be build} an a precess of clean-up

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