Kazuki Yamamoto / Mbed 2 deprecated ika_shouyu_poppoyaki

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   MODSERIAL mbed

Fork of ika_shouyu_poppoyaki by Tedd OKANO

isp.cpp@42:2b40666d8177, 2014-10-18 (annotated)

Committer:
k4zuki
Date:
Sat Oct 18 07:36:54 2014 +0000
Revision:
42:2b40666d8177
Parent:
41:74b9ff21098f 
LPC82x series supported (only 824 is tested)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
okano 30:e0d7524661ca 1
okano 30:e0d7524661ca 2 #include "mbed.h"
okano 30:e0d7524661ca 3 #include "target_table.h"
okano 30:e0d7524661ca 4 #include "serial_utilities.h"
okano 30:e0d7524661ca 5 #include "command_interface.h"
okano 30:e0d7524661ca 6 #include "writing.h"
okano 30:e0d7524661ca 7 #include "uu_coding.h"
okano 30:e0d7524661ca 8 #include "target_handling.h"
okano 30:e0d7524661ca 9 #include "verification.h"
okano 30:e0d7524661ca 10 #include "isp.h"
okano 30:e0d7524661ca 11 #include "_user_settings.h"
okano 30:e0d7524661ca 12
okano 41:74b9ff21098f 13 #define CRP_WORD_OFFSET 0x2FC
okano 41:74b9ff21098f 14
okano 30:e0d7524661ca 15
okano 30:e0d7524661ca 16 BusOut leds( LED4, LED3, LED2, LED1 );
okano 30:e0d7524661ca 17 Ticker success;
okano 30:e0d7524661ca 18
okano 30:e0d7524661ca 19
okano 32:3700d5df4e18 20 int file_size( FILE *fp );
okano 33:ce9fff4cbf09 21 unsigned int read_crp( FILE *fp );
okano 32:3700d5df4e18 22 unsigned int crp_check( FILE *fp );
okano 32:3700d5df4e18 23 void success_indicator();
okano 30:e0d7524661ca 24
okano 33:ce9fff4cbf09 25
okano 30:e0d7524661ca 26 int isp_flash_write( char *file_name )
okano 30:e0d7524661ca 27 {
okano 30:e0d7524661ca 28 FILE *fp;
okano 30:e0d7524661ca 29 target_param *tpp;
okano 30:e0d7524661ca 30 int data_size;
okano 30:e0d7524661ca 31 int last_sector;
okano 30:e0d7524661ca 32 int transferred_size;
okano 30:e0d7524661ca 33 int err;
okano 30:e0d7524661ca 34
okano 30:e0d7524661ca 35 if ( NULL == (tpp = open_target( ISP_BAUD_RATE )) ) {
okano 30:e0d7524661ca 36 return ( ERROR_AT_TARGET_OPEN );
okano 30:e0d7524661ca 37 }
okano 30:e0d7524661ca 38
okano 30:e0d7524661ca 39 printf( " target device found : type = \"%s\"\r\n", tpp->type_name );
okano 39:f68f9fa1e88e 40 printf( " ID = 0x%08X\r\n", tpp->id );
okano 39:f68f9fa1e88e 41 printf( " RAM size = %10d bytes\r\n", tpp->ram_size );
okano 39:f68f9fa1e88e 42 printf( " flash size = %10d bytes\r\n", tpp->flash_size );
okano 30:e0d7524661ca 43
okano 30:e0d7524661ca 44 printf( " opening file: \"%s\"\r\n", file_name );
okano 30:e0d7524661ca 45
okano 30:e0d7524661ca 46 if ( NULL == (fp = fopen( file_name, "rb" )) ) {
okano 30:e0d7524661ca 47 return ( ERROR_AT_FILE_OPEN );
okano 30:e0d7524661ca 48 }
okano 30:e0d7524661ca 49
okano 30:e0d7524661ca 50 data_size = file_size( fp );
okano 41:74b9ff21098f 51
okano 38:cb95bfe0546a 52 if ( !data_size )
okano 38:cb95bfe0546a 53 return ( ERROR_DATA_SIZE_ZERO );
okano 41:74b9ff21098f 54
okano 38:cb95bfe0546a 55 last_sector = (data_size - 1) / tpp->sector_size;
okano 33:ce9fff4cbf09 56
okano 41:74b9ff21098f 57 if ( data_size < (CRP_WORD_OFFSET + sizeof( unsigned int )) ) {
okano 41:74b9ff21098f 58 printf( " CRP check is not performed because data size is less than 0x300(768) bytes\r\n" );
okano 41:74b9ff21098f 59 } else {
okano 41:74b9ff21098f 60 if ( crp_check( fp ) ) {
okano 41:74b9ff21098f 61 printf( " the CRP is enabled in the data source file\r\n" );
okano 33:ce9fff4cbf09 62
okano 33:ce9fff4cbf09 63 #ifdef CHECK_CRP_CODE
okano 41:74b9ff21098f 64 printf( " aborting execution by CRP warning\r\n" );
okano 33:ce9fff4cbf09 65
okano 41:74b9ff21098f 66 return ( WARNING_CRP_CODE_DETECTED );
okano 33:ce9fff4cbf09 67 #else
okano 41:74b9ff21098f 68 printf( " this program continues to write the CRP enabled binary into the target flash\r\n" );
okano 33:ce9fff4cbf09 69 #endif
okano 41:74b9ff21098f 70 }
okano 32:3700d5df4e18 71 }
okano 30:e0d7524661ca 72
okano 30:e0d7524661ca 73 printf( " data size = %d bytes, it takes %d secotrs in flash area\r\n", data_size, last_sector + 1 );
okano 30:e0d7524661ca 74 printf( " resetting target\r\n" );
okano 30:e0d7524661ca 75
okano 34:eaca33d3e632 76
okano 34:eaca33d3e632 77 #ifdef ENABLE_WRITING
okano 30:e0d7524661ca 78 if ( erase_sectors( last_sector ) )
okano 30:e0d7524661ca 79 return ( ERROR_AT_SECTOR_ERASE );
okano 30:e0d7524661ca 80
okano 30:e0d7524661ca 81 printf( "\r\n ==== flash writing ====\r\n" );
okano 30:e0d7524661ca 82
okano 30:e0d7524661ca 83 if ( err = write_flash( fp, tpp, &transferred_size ) )
okano 30:e0d7524661ca 84 return ( err );
okano 30:e0d7524661ca 85
okano 30:e0d7524661ca 86 printf( " -- %d bytes data are written\r\n", transferred_size );
okano 34:eaca33d3e632 87 leds_off();
okano 34:eaca33d3e632 88 #else
okano 34:eaca33d3e632 89 printf( "\r\n ==== writing is disabled ====\r\n\r\n" );
okano 34:eaca33d3e632 90 #endif
okano 34:eaca33d3e632 91
okano 30:e0d7524661ca 92
okano 33:ce9fff4cbf09 93 #ifdef ENABLE_VERIFYING
okano 30:e0d7524661ca 94 printf( "\r\n ==== flash reading and verifying ====\r\n" );
okano 30:e0d7524661ca 95
okano 30:e0d7524661ca 96 if ( err = verify_flash( fp, tpp, &transferred_size ) )
okano 30:e0d7524661ca 97 return ( err );
okano 30:e0d7524661ca 98
okano 30:e0d7524661ca 99 printf( " -- %d bytes data are read and verified\r\n", transferred_size );
okano 34:eaca33d3e632 100 leds_off();
okano 33:ce9fff4cbf09 101 #else
okano 33:ce9fff4cbf09 102 printf( "\r\n ==== verifying has been skipped ====\r\n\r\n" );
okano 33:ce9fff4cbf09 103 #endif
okano 30:e0d7524661ca 104
okano 34:eaca33d3e632 105
okano 30:e0d7524661ca 106 fclose( fp );
okano 30:e0d7524661ca 107
okano 30:e0d7524661ca 108 post_writing_process( tpp );
okano 30:e0d7524661ca 109
okano 30:e0d7524661ca 110 return ( 0 );
okano 30:e0d7524661ca 111 }
okano 30:e0d7524661ca 112
okano 30:e0d7524661ca 113
okano 30:e0d7524661ca 114 int file_size( FILE *fp )
okano 30:e0d7524661ca 115 {
okano 30:e0d7524661ca 116 int size;
okano 30:e0d7524661ca 117
okano 30:e0d7524661ca 118 fseek( fp, 0, SEEK_END ); // seek to end of file
okano 41:74b9ff21098f 119 size = ftell( fp ); // get current file pointer
okano 30:e0d7524661ca 120 fseek( fp, 0, SEEK_SET ); // seek back to beginning of file
okano 30:e0d7524661ca 121
okano 30:e0d7524661ca 122 return size;
okano 30:e0d7524661ca 123 }
okano 30:e0d7524661ca 124
okano 30:e0d7524661ca 125
okano 32:3700d5df4e18 126 unsigned int crp_check( FILE *fp )
okano 32:3700d5df4e18 127 {
okano 32:3700d5df4e18 128 unsigned int crp;
okano 32:3700d5df4e18 129
okano 33:ce9fff4cbf09 130 switch ( crp = read_crp( fp ) ) {
okano 33:ce9fff4cbf09 131 case NO_ISP :
okano 33:ce9fff4cbf09 132 printf( "\r\n WARNING : CRP code detected 0x%08X (NO_ISP)\r\n", crp );
okano 33:ce9fff4cbf09 133 break;
okano 33:ce9fff4cbf09 134 case CRP1 :
okano 33:ce9fff4cbf09 135 printf( "\r\n WARNING : CRP code detected 0x%08X (CRP1)\r\n", crp );
okano 33:ce9fff4cbf09 136 break;
okano 33:ce9fff4cbf09 137 case CRP2 :
okano 33:ce9fff4cbf09 138 printf( "\r\n WARNING : CRP code detected 0x%08X (CRP2)\r\n", crp );
okano 33:ce9fff4cbf09 139 break;
okano 33:ce9fff4cbf09 140 case CRP3 :
okano 33:ce9fff4cbf09 141 printf( "\r\n WARNING : CRP code detected 0x%08X (CRP3)\r\n", crp );
okano 33:ce9fff4cbf09 142 break;
okano 33:ce9fff4cbf09 143 default :
okano 33:ce9fff4cbf09 144 crp = 0x0; // no CRP code detected
okano 33:ce9fff4cbf09 145 break;
okano 33:ce9fff4cbf09 146 }
okano 41:74b9ff21098f 147
okano 33:ce9fff4cbf09 148 return ( crp );
okano 33:ce9fff4cbf09 149 }
okano 33:ce9fff4cbf09 150
okano 33:ce9fff4cbf09 151
okano 33:ce9fff4cbf09 152 unsigned int read_crp( FILE *fp )
okano 33:ce9fff4cbf09 153 {
okano 33:ce9fff4cbf09 154 unsigned int crp;
okano 33:ce9fff4cbf09 155
okano 41:74b9ff21098f 156 fseek( fp, CRP_WORD_OFFSET, SEEK_SET ); // seek to 0x2FC (764th byte)
okano 32:3700d5df4e18 157
okano 32:3700d5df4e18 158 if ( 1 != fread( &crp, sizeof( crp ), 1, fp ) )
okano 32:3700d5df4e18 159 return ( CRP_CHECK_ERROR );
okano 32:3700d5df4e18 160
okano 32:3700d5df4e18 161 fseek( fp, 0, SEEK_SET ); // seek back to beginning of file
okano 32:3700d5df4e18 162
okano 32:3700d5df4e18 163 return ( crp );
okano 32:3700d5df4e18 164 }
okano 32:3700d5df4e18 165
okano 32:3700d5df4e18 166
okano 30:e0d7524661ca 167 void start_target_in_normal_mode( int baud_rate )
okano 30:e0d7524661ca 168 {
okano 30:e0d7524661ca 169 set_target_baud_rate( baud_rate );
okano 30:e0d7524661ca 170 reset_target( NO_ISP_MODE );
okano 30:e0d7524661ca 171 }
okano 30:e0d7524661ca 172
okano 30:e0d7524661ca 173 void start_success_indicator( void )
okano 30:e0d7524661ca 174 {
okano 30:e0d7524661ca 175 success.attach( &success_indicator, 0.1 );
okano 30:e0d7524661ca 176 }
okano 30:e0d7524661ca 177
okano 30:e0d7524661ca 178 void success_indicator()
okano 30:e0d7524661ca 179 {
okano 30:e0d7524661ca 180 static int i = 0;
okano 30:e0d7524661ca 181
okano 30:e0d7524661ca 182 leds = 0x1 << (i++ & 0x3);
okano 30:e0d7524661ca 183 }
okano 30:e0d7524661ca 184
okano 30:e0d7524661ca 185
okano 30:e0d7524661ca 186 void toggle_led( char v )
okano 30:e0d7524661ca 187 {
okano 30:e0d7524661ca 188 leds = leds ^ (0x1 << v);
okano 30:e0d7524661ca 189 }
okano 30:e0d7524661ca 190
okano 34:eaca33d3e632 191
okano 34:eaca33d3e632 192 void leds_off( void )
okano 34:eaca33d3e632 193 {
okano 34:eaca33d3e632 194 leds = 0x0;
okano 34:eaca33d3e632 195 }