Add to 11U68 11E68
Dependencies: DirectoryList MODSERIAL mbed
Fork of ika_shouyu_poppoyaki by
main.cpp@16:cac2348cfcfb, 2013-09-09 (annotated)
- Committer:
- okano
- Date:
- Mon Sep 09 11:42:06 2013 +0000
- Revision:
- 16:cac2348cfcfb
- Parent:
- 15:051ca36cc64b
- Child:
- 17:339f40a14f67
mbed goes into "serial through mode" after ISP writing finished
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
okano | 11:8dfc3217d1ca | 1 | /** |
okano | 11:8dfc3217d1ca | 2 | * Sample of ISP operation for NXP MCUs |
okano | 11:8dfc3217d1ca | 3 | * |
okano | 14:a7b9f74fb856 | 4 | * @author Tedd OKANO |
okano | 14:a7b9f74fb856 | 5 | * @version 0.6 |
okano | 11:8dfc3217d1ca | 6 | * @date Aug-2013 |
okano | 14:a7b9f74fb856 | 7 | * |
okano | 14:a7b9f74fb856 | 8 | * This program programs MCU flash memory through UART. It uses |
okano | 14:a7b9f74fb856 | 9 | * "In-System Programming (ISP)" interface in target MCU (NXP LPC micro- |
okano | 14:a7b9f74fb856 | 10 | * controllers). |
okano | 14:a7b9f74fb856 | 11 | * |
okano | 14:a7b9f74fb856 | 12 | * The ISP is done by PC and serial cable normally. The ISP protocol is |
okano | 14:a7b9f74fb856 | 13 | * executed software on a PC. The software reads a data file and transfers |
okano | 14:a7b9f74fb856 | 14 | * the data with the ISP protocol. |
okano | 14:a7b9f74fb856 | 15 | * This program does same process of that. The mbed perform the function like |
okano | 14:a7b9f74fb856 | 16 | * "FlashMagic" and "lpc21isp". |
okano | 14:a7b9f74fb856 | 17 | * (This program not just copies the binary but also insert 4 byte checksum at |
okano | 14:a7b9f74fb856 | 18 | * address 0x1C.) |
okano | 14:a7b9f74fb856 | 19 | * |
okano | 14:a7b9f74fb856 | 20 | * This program currently supports LPC1114(LPC1114FN28/102 - DIP28-ARM) and |
okano | 14:a7b9f74fb856 | 21 | * LPC810(LPC810M021FN8 - DIP8-ARM). |
okano | 11:8dfc3217d1ca | 22 | */ |
okano | 11:8dfc3217d1ca | 23 | |
okano | 5:ff30f5b58617 | 24 | #include "mbed.h" |
okano | 5:ff30f5b58617 | 25 | #include "target_table.h" |
okano | 0:6baefda2e511 | 26 | |
okano | 2:8d75eb0ecd20 | 27 | BusOut leds( LED4, LED3, LED2, LED1 ); |
okano | 2:8d75eb0ecd20 | 28 | DigitalOut reset_pin( p26 ); |
okano | 2:8d75eb0ecd20 | 29 | DigitalOut isp_pin( p25 ); |
okano | 2:8d75eb0ecd20 | 30 | Serial target ( p28, p27 ); |
okano | 16:cac2348cfcfb | 31 | Serial pc ( USBTX,USBRX ); |
okano | 2:8d75eb0ecd20 | 32 | LocalFileSystem local( "local" ); |
okano | 16:cac2348cfcfb | 33 | Ticker success; |
okano | 0:6baefda2e511 | 34 | |
okano | 12:5a33b5d39792 | 35 | #define ENTER_TO_ISP_MODE 0 |
okano | 12:5a33b5d39792 | 36 | #define NO_ISP_MODE 1 |
okano | 12:5a33b5d39792 | 37 | #define STR_BUFF_SIZE 64 |
okano | 12:5a33b5d39792 | 38 | |
okano | 1:54e619428ae6 | 39 | #define SOURCE_FILE "/local/bin" |
okano | 16:cac2348cfcfb | 40 | #define ISP_BAUD_RATE 115200 |
okano | 16:cac2348cfcfb | 41 | //#define ISP_BAUD_RATE 57600 |
okano | 16:cac2348cfcfb | 42 | //#define ISP_BAUD_RATE 9600 |
okano | 16:cac2348cfcfb | 43 | |
okano | 16:cac2348cfcfb | 44 | #define TARGET_OPERATION_BAUD_RATE 9600 |
okano | 4:55f1977bd11a | 45 | |
okano | 8:b220fadbb3d8 | 46 | int error_state = 0; |
okano | 7:815366f003ee | 47 | |
okano | 7:815366f003ee | 48 | int file_size( FILE *fp ); |
okano | 7:815366f003ee | 49 | void reset_target( int isp_pin_state ); |
okano | 7:815366f003ee | 50 | int try_and_check( char *command, char *expected_return_str, int mode ); |
okano | 7:815366f003ee | 51 | int try_and_check2( char *command, char *expected_return_str, int mode ); |
okano | 7:815366f003ee | 52 | void print_command( char *command ); |
okano | 7:815366f003ee | 53 | void print_result( int r ); |
okano | 7:815366f003ee | 54 | char read_byte( void ); |
okano | 7:815366f003ee | 55 | void erase_sectors( int last_sector ); |
okano | 12:5a33b5d39792 | 56 | int write_uuencoded_data( FILE *fp, int ram_size, int sector_size, unsigned int ); |
okano | 12:5a33b5d39792 | 57 | int write_binary_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start ); |
okano | 7:815366f003ee | 58 | void initialize_uue_table( void ); |
okano | 11:8dfc3217d1ca | 59 | long bin2uue( char *bin, char *str, int size ); |
okano | 12:5a33b5d39792 | 60 | int get_flash_writing_size( int ram_size, unsigned int ram_start ); |
okano | 7:815366f003ee | 61 | void add_isp_checksum( char *b ); |
okano | 7:815366f003ee | 62 | void send_RAM_transfer_checksum( int checksum ); |
okano | 7:815366f003ee | 63 | void put_string( char *s ); |
okano | 12:5a33b5d39792 | 64 | void put_binary( char *b, int size ); |
okano | 7:815366f003ee | 65 | void get_string( char *s ); |
okano | 16:cac2348cfcfb | 66 | void success_indicator(); |
okano | 7:815366f003ee | 67 | |
okano | 12:5a33b5d39792 | 68 | #pragma diag_suppress 1293 // surpressing a warning message of "assignment in condition" ;) |
okano | 12:5a33b5d39792 | 69 | |
okano | 7:815366f003ee | 70 | |
okano | 7:815366f003ee | 71 | int main() |
okano | 7:815366f003ee | 72 | { |
okano | 7:815366f003ee | 73 | FILE *fp; |
okano | 7:815366f003ee | 74 | char str_buf0[ STR_BUFF_SIZE ]; |
okano | 7:815366f003ee | 75 | char str_buf1[ STR_BUFF_SIZE ]; |
okano | 7:815366f003ee | 76 | int data_size; |
okano | 7:815366f003ee | 77 | int last_sector; |
okano | 7:815366f003ee | 78 | target_param *tpp; |
okano | 8:b220fadbb3d8 | 79 | |
okano | 7:815366f003ee | 80 | printf( "\r\n\r\n\r\nmbed ISP program : programming LPC device from mbed\r\n" ); |
okano | 7:815366f003ee | 81 | |
okano | 16:cac2348cfcfb | 82 | target.baud( ISP_BAUD_RATE ); |
okano | 8:b220fadbb3d8 | 83 | |
okano | 7:815366f003ee | 84 | reset_target( ENTER_TO_ISP_MODE ); |
okano | 8:b220fadbb3d8 | 85 | |
okano | 7:815366f003ee | 86 | try_and_check( "?", "Synchronized", 0 ); |
okano | 8:b220fadbb3d8 | 87 | |
okano | 7:815366f003ee | 88 | try_and_check2( "Synchronized\r\n", "OK", 0 ); |
okano | 7:815366f003ee | 89 | try_and_check2( "12000\r\n", "OK", 0 ); |
okano | 7:815366f003ee | 90 | try_and_check2( "U 23130\r\n", "0", 0 ); |
okano | 7:815366f003ee | 91 | try_and_check2( "A 0\r\n", "0", 0 ); |
okano | 8:b220fadbb3d8 | 92 | |
okano | 7:815366f003ee | 93 | try_and_check( "K\r\n", "0", 0 ); |
okano | 7:815366f003ee | 94 | get_string( str_buf0 ); |
okano | 7:815366f003ee | 95 | get_string( str_buf1 ); |
okano | 8:b220fadbb3d8 | 96 | |
okano | 7:815366f003ee | 97 | printf( " result of \"K\" = %s %s\r\n", str_buf0, str_buf1 ); |
okano | 8:b220fadbb3d8 | 98 | |
okano | 7:815366f003ee | 99 | try_and_check( "J\r\n", "0", 0 ); |
okano | 7:815366f003ee | 100 | get_string( str_buf0 ); |
okano | 8:b220fadbb3d8 | 101 | |
okano | 7:815366f003ee | 102 | printf( " result of \"J\" = %s\r\n", str_buf0 ); |
okano | 8:b220fadbb3d8 | 103 | |
okano | 7:815366f003ee | 104 | tpp = find_target_param( str_buf0 ); |
okano | 8:b220fadbb3d8 | 105 | printf( " target device found : type = \"%s\"\r\n", tpp->type_name ); |
okano | 8:b220fadbb3d8 | 106 | printf( " ID = 0x%08X\r\n", tpp->id ); |
okano | 8:b220fadbb3d8 | 107 | printf( " RAM size = %10d bytes\r\n", tpp->ram_size ); |
okano | 8:b220fadbb3d8 | 108 | printf( " flash size = %10d bytes\r\n", tpp->flash_size ); |
okano | 8:b220fadbb3d8 | 109 | |
okano | 12:5a33b5d39792 | 110 | printf( " opening file: \"%s\"\r\n", SOURCE_FILE ); |
okano | 12:5a33b5d39792 | 111 | |
okano | 12:5a33b5d39792 | 112 | if ( NULL == (fp = fopen( SOURCE_FILE, "rb" )) ) { |
okano | 12:5a33b5d39792 | 113 | error( "couldn't open source file" ); |
okano | 12:5a33b5d39792 | 114 | return ( 1 ); |
okano | 12:5a33b5d39792 | 115 | } |
okano | 12:5a33b5d39792 | 116 | |
okano | 12:5a33b5d39792 | 117 | data_size = file_size( fp ); |
okano | 12:5a33b5d39792 | 118 | last_sector = data_size / tpp->sector_size; |
okano | 12:5a33b5d39792 | 119 | |
okano | 12:5a33b5d39792 | 120 | printf( " data size = %d bytes, it takes %d secotrs in flash area\r\n", data_size, last_sector + 1 ); |
okano | 12:5a33b5d39792 | 121 | printf( " resetting target\r\n" ); |
okano | 12:5a33b5d39792 | 122 | |
okano | 7:815366f003ee | 123 | erase_sectors( last_sector ); |
okano | 12:5a33b5d39792 | 124 | |
okano | 12:5a33b5d39792 | 125 | if ( tpp->write_type == BINARY ) |
okano | 12:5a33b5d39792 | 126 | write_binary_data( fp, tpp->ram_size, tpp->sector_size, tpp->ram_start_address ); |
okano | 12:5a33b5d39792 | 127 | else // UUENCODE |
okano | 12:5a33b5d39792 | 128 | write_uuencoded_data( fp, tpp->ram_size, tpp->sector_size, tpp->ram_start_address ); |
okano | 12:5a33b5d39792 | 129 | |
okano | 7:815366f003ee | 130 | fclose( fp ); |
okano | 8:b220fadbb3d8 | 131 | |
okano | 8:b220fadbb3d8 | 132 | printf( "\r\n %s\r\n\r\n", |
okano | 8:b220fadbb3d8 | 133 | error_state ? |
okano | 8:b220fadbb3d8 | 134 | "** The data could not be written :(" : |
okano | 8:b220fadbb3d8 | 135 | "** The data has been written successflly :)" |
okano | 8:b220fadbb3d8 | 136 | ); |
okano | 8:b220fadbb3d8 | 137 | |
okano | 16:cac2348cfcfb | 138 | #define AUTO_PROGRAM_START |
okano | 14:a7b9f74fb856 | 139 | #ifdef AUTO_PROGRAM_START |
okano | 16:cac2348cfcfb | 140 | target.baud( TARGET_OPERATION_BAUD_RATE ); |
okano | 16:cac2348cfcfb | 141 | |
okano | 14:a7b9f74fb856 | 142 | reset_target( NO_ISP_MODE ); |
okano | 16:cac2348cfcfb | 143 | printf( " ** The program in flash has been started!!\r\n" ); |
okano | 14:a7b9f74fb856 | 144 | #endif |
okano | 14:a7b9f74fb856 | 145 | |
okano | 16:cac2348cfcfb | 146 | printf( " (now the mbed is working in \"serial through mode\")\r\n\r\n" ); |
okano | 16:cac2348cfcfb | 147 | |
okano | 16:cac2348cfcfb | 148 | success.attach( &success_indicator, 0.1 ); |
okano | 16:cac2348cfcfb | 149 | |
okano | 16:cac2348cfcfb | 150 | while (1) { |
okano | 8:b220fadbb3d8 | 151 | |
okano | 16:cac2348cfcfb | 152 | if ( pc.readable() ) { |
okano | 16:cac2348cfcfb | 153 | target.putc( pc.getc() ); |
okano | 16:cac2348cfcfb | 154 | } |
okano | 16:cac2348cfcfb | 155 | |
okano | 16:cac2348cfcfb | 156 | if ( target.readable() ) { |
okano | 16:cac2348cfcfb | 157 | pc.putc( target.getc() ); |
okano | 16:cac2348cfcfb | 158 | } |
okano | 16:cac2348cfcfb | 159 | |
okano | 7:815366f003ee | 160 | } |
okano | 7:815366f003ee | 161 | } |
okano | 7:815366f003ee | 162 | |
okano | 7:815366f003ee | 163 | |
okano | 7:815366f003ee | 164 | int file_size( FILE *fp ) |
okano | 7:815366f003ee | 165 | { |
okano | 7:815366f003ee | 166 | int size; |
okano | 8:b220fadbb3d8 | 167 | |
okano | 7:815366f003ee | 168 | fseek( fp, 0, SEEK_END ); // seek to end of file |
okano | 7:815366f003ee | 169 | size = ftell( fp ); // get current file pointer |
okano | 7:815366f003ee | 170 | fseek( fp, 0, SEEK_SET ); // seek back to beginning of file |
okano | 8:b220fadbb3d8 | 171 | |
okano | 7:815366f003ee | 172 | return size; |
okano | 7:815366f003ee | 173 | } |
okano | 7:815366f003ee | 174 | |
okano | 7:815366f003ee | 175 | |
okano | 7:815366f003ee | 176 | void reset_target( int isp_pin_state ) |
okano | 7:815366f003ee | 177 | { |
okano | 7:815366f003ee | 178 | reset_pin = 1; |
okano | 13:60995bf8b2c7 | 179 | isp_pin = isp_pin_state; |
okano | 7:815366f003ee | 180 | wait_ms( 100 ); |
okano | 13:60995bf8b2c7 | 181 | |
okano | 7:815366f003ee | 182 | reset_pin = 0; |
okano | 7:815366f003ee | 183 | wait_ms( 100 ); |
okano | 13:60995bf8b2c7 | 184 | |
okano | 7:815366f003ee | 185 | reset_pin = 1; |
okano | 7:815366f003ee | 186 | wait_ms( 100 ); |
okano | 7:815366f003ee | 187 | } |
okano | 7:815366f003ee | 188 | |
okano | 7:815366f003ee | 189 | |
okano | 7:815366f003ee | 190 | int try_and_check( char *command, char *expected_return_str, int mode ) |
okano | 7:815366f003ee | 191 | { |
okano | 7:815366f003ee | 192 | char rtn_str[ STR_BUFF_SIZE ]; |
okano | 8:b220fadbb3d8 | 193 | int result = 1; |
okano | 8:b220fadbb3d8 | 194 | |
okano | 7:815366f003ee | 195 | print_command( command ); |
okano | 7:815366f003ee | 196 | put_string( command ); |
okano | 8:b220fadbb3d8 | 197 | |
okano | 7:815366f003ee | 198 | get_string( rtn_str ); |
okano | 7:815366f003ee | 199 | print_result( result = strcmp( expected_return_str, rtn_str ) ); |
okano | 8:b220fadbb3d8 | 200 | |
okano | 8:b220fadbb3d8 | 201 | if ( result && !mode ) |
okano | 8:b220fadbb3d8 | 202 | error( "command failed\r\n" ); |
okano | 8:b220fadbb3d8 | 203 | |
okano | 8:b220fadbb3d8 | 204 | error_state |= result; |
okano | 8:b220fadbb3d8 | 205 | |
okano | 7:815366f003ee | 206 | return ( result ); |
okano | 7:815366f003ee | 207 | } |
okano | 7:815366f003ee | 208 | |
okano | 7:815366f003ee | 209 | |
okano | 7:815366f003ee | 210 | int try_and_check2( char *command, char *expected_return_str, int mode ) |
okano | 7:815366f003ee | 211 | { |
okano | 7:815366f003ee | 212 | char rtn_str[ STR_BUFF_SIZE ]; |
okano | 8:b220fadbb3d8 | 213 | int result = 1; |
okano | 8:b220fadbb3d8 | 214 | |
okano | 7:815366f003ee | 215 | print_command( command ); |
okano | 7:815366f003ee | 216 | put_string( command ); |
okano | 8:b220fadbb3d8 | 217 | |
okano | 7:815366f003ee | 218 | get_string( rtn_str ); // just readout echoback |
okano | 7:815366f003ee | 219 | get_string( rtn_str ); |
okano | 7:815366f003ee | 220 | print_result( result = strcmp( expected_return_str, rtn_str ) ); |
okano | 8:b220fadbb3d8 | 221 | |
okano | 8:b220fadbb3d8 | 222 | if ( result && !mode ) |
okano | 8:b220fadbb3d8 | 223 | error( "command failed\r\n" ); |
okano | 8:b220fadbb3d8 | 224 | |
okano | 8:b220fadbb3d8 | 225 | error_state |= result; |
okano | 8:b220fadbb3d8 | 226 | |
okano | 7:815366f003ee | 227 | return ( result ); |
okano | 7:815366f003ee | 228 | } |
okano | 7:815366f003ee | 229 | |
okano | 7:815366f003ee | 230 | |
okano | 7:815366f003ee | 231 | void print_command( char *command ) |
okano | 7:815366f003ee | 232 | { |
okano | 7:815366f003ee | 233 | char s[ STR_BUFF_SIZE ]; |
okano | 7:815366f003ee | 234 | char *pos; |
okano | 8:b220fadbb3d8 | 235 | |
okano | 7:815366f003ee | 236 | strcpy( s, command ); |
okano | 8:b220fadbb3d8 | 237 | |
okano | 7:815366f003ee | 238 | if ( pos = strchr( s, '\r' ) ) |
okano | 7:815366f003ee | 239 | *pos = '\0'; |
okano | 8:b220fadbb3d8 | 240 | |
okano | 7:815366f003ee | 241 | if ( pos = strchr( s, '\n' ) ) |
okano | 7:815366f003ee | 242 | *pos = '\0'; |
okano | 8:b220fadbb3d8 | 243 | |
okano | 7:815366f003ee | 244 | printf( " command-\"%s\" : ", s ); |
okano | 7:815366f003ee | 245 | } |
okano | 7:815366f003ee | 246 | |
okano | 7:815366f003ee | 247 | |
okano | 7:815366f003ee | 248 | void print_result( int r ) |
okano | 7:815366f003ee | 249 | { |
okano | 7:815366f003ee | 250 | printf( "%s\r\n", r ? "Fail" : "Pass" ); |
okano | 7:815366f003ee | 251 | } |
okano | 7:815366f003ee | 252 | |
okano | 7:815366f003ee | 253 | |
okano | 7:815366f003ee | 254 | char read_byte( void ) |
okano | 7:815366f003ee | 255 | { |
okano | 7:815366f003ee | 256 | while ( !target.readable() ) |
okano | 7:815366f003ee | 257 | ; |
okano | 8:b220fadbb3d8 | 258 | |
okano | 7:815366f003ee | 259 | return ( target.getc() ); |
okano | 7:815366f003ee | 260 | } |
okano | 7:815366f003ee | 261 | |
okano | 7:815366f003ee | 262 | |
okano | 7:815366f003ee | 263 | void erase_sectors( int last_sector ) |
okano | 7:815366f003ee | 264 | { |
okano | 7:815366f003ee | 265 | char command_str[ STR_BUFF_SIZE ]; |
okano | 8:b220fadbb3d8 | 266 | |
okano | 7:815366f003ee | 267 | sprintf( command_str, "P 0 %d\r\n", last_sector ); |
okano | 7:815366f003ee | 268 | try_and_check( command_str, "0", 0 ); |
okano | 8:b220fadbb3d8 | 269 | |
okano | 7:815366f003ee | 270 | *(command_str) = 'E'; |
okano | 7:815366f003ee | 271 | try_and_check( command_str, "0", 0 ); |
okano | 7:815366f003ee | 272 | } |
okano | 7:815366f003ee | 273 | |
okano | 12:5a33b5d39792 | 274 | #define BYTES_PER_LINE 45 |
okano | 12:5a33b5d39792 | 275 | char uue_table[ 64 ]; |
okano | 7:815366f003ee | 276 | |
okano | 12:5a33b5d39792 | 277 | int write_uuencoded_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start ) |
okano | 7:815366f003ee | 278 | { |
okano | 7:815366f003ee | 279 | char command_str[ STR_BUFF_SIZE ]; |
okano | 7:815366f003ee | 280 | long checksum = 0; |
okano | 7:815366f003ee | 281 | int total_size = 0; |
okano | 7:815366f003ee | 282 | int size; |
okano | 8:b220fadbb3d8 | 283 | |
okano | 7:815366f003ee | 284 | int flash_writing_size; |
okano | 7:815366f003ee | 285 | int lines_per_transfer; |
okano | 7:815366f003ee | 286 | int transfer_size; |
okano | 8:b220fadbb3d8 | 287 | |
okano | 12:5a33b5d39792 | 288 | char *b; |
okano | 12:5a33b5d39792 | 289 | |
okano | 7:815366f003ee | 290 | initialize_uue_table(); |
okano | 8:b220fadbb3d8 | 291 | |
okano | 12:5a33b5d39792 | 292 | flash_writing_size = get_flash_writing_size( ram_size, ram_start ); |
okano | 11:8dfc3217d1ca | 293 | lines_per_transfer = ((flash_writing_size / BYTES_PER_LINE) + 1); |
okano | 11:8dfc3217d1ca | 294 | transfer_size = (((flash_writing_size + 11) / 12) * 12); |
okano | 8:b220fadbb3d8 | 295 | |
okano | 7:815366f003ee | 296 | // char b[ transfer_size ]; // this can be done in mbed-compiler. but I should do it in common way |
okano | 8:b220fadbb3d8 | 297 | |
okano | 7:815366f003ee | 298 | if ( NULL == (b = (char *)malloc( transfer_size * sizeof( char ) )) ) |
okano | 7:815366f003ee | 299 | error( "malloc error happened\r\n" ); |
okano | 8:b220fadbb3d8 | 300 | |
okano | 7:815366f003ee | 301 | for ( int i = flash_writing_size; i < transfer_size; i++ ) |
okano | 7:815366f003ee | 302 | b[ i ] = 0; // this is not neccesary but just stuffing stuffing bytes |
okano | 8:b220fadbb3d8 | 303 | |
okano | 7:815366f003ee | 304 | while ( size = fread( b, sizeof( char ), flash_writing_size, fp ) ) { |
okano | 8:b220fadbb3d8 | 305 | |
okano | 7:815366f003ee | 306 | if ( !total_size ) { |
okano | 7:815366f003ee | 307 | // overwriting 4 bytes data for address=0x1C |
okano | 7:815366f003ee | 308 | // there is a slot for checksum that is checked in (target's) boot process |
okano | 7:815366f003ee | 309 | add_isp_checksum( b ); |
okano | 7:815366f003ee | 310 | } |
okano | 8:b220fadbb3d8 | 311 | |
okano | 12:5a33b5d39792 | 312 | sprintf( command_str, "W %ld %ld\r\n", ram_start, transfer_size ); |
okano | 7:815366f003ee | 313 | try_and_check( command_str, "0", 0 ); |
okano | 8:b220fadbb3d8 | 314 | |
okano | 7:815366f003ee | 315 | for ( int i = 0; i < lines_per_transfer; i++ ) { |
okano | 12:5a33b5d39792 | 316 | |
okano | 11:8dfc3217d1ca | 317 | checksum += bin2uue( b + (i * BYTES_PER_LINE), command_str, i == (lines_per_transfer - 1) ? (transfer_size % BYTES_PER_LINE) : BYTES_PER_LINE ); |
okano | 8:b220fadbb3d8 | 318 | |
okano | 13:60995bf8b2c7 | 319 | // printf( " data -- %02d %s\r", i, command_str ); |
okano | 8:b220fadbb3d8 | 320 | |
okano | 7:815366f003ee | 321 | put_string( command_str ); |
okano | 8:b220fadbb3d8 | 322 | |
okano | 7:815366f003ee | 323 | if ( !((i + 1) % 20) ) { |
okano | 7:815366f003ee | 324 | send_RAM_transfer_checksum( checksum ); |
okano | 7:815366f003ee | 325 | checksum = 0; |
okano | 7:815366f003ee | 326 | } |
okano | 7:815366f003ee | 327 | } |
okano | 8:b220fadbb3d8 | 328 | |
okano | 7:815366f003ee | 329 | send_RAM_transfer_checksum( checksum ); |
okano | 7:815366f003ee | 330 | checksum = 0; |
okano | 8:b220fadbb3d8 | 331 | |
okano | 12:5a33b5d39792 | 332 | sprintf( command_str, "P %d %d\r\n", total_size / sector_size, total_size / sector_size ); |
okano | 7:815366f003ee | 333 | try_and_check( command_str, "0", 0 ); |
okano | 8:b220fadbb3d8 | 334 | |
okano | 12:5a33b5d39792 | 335 | sprintf( command_str, "C %d %d %d\r\n", total_size, ram_start, flash_writing_size ); |
okano | 7:815366f003ee | 336 | try_and_check( command_str, "0", 0 ); |
okano | 8:b220fadbb3d8 | 337 | |
okano | 7:815366f003ee | 338 | total_size += size; |
okano | 7:815366f003ee | 339 | } |
okano | 8:b220fadbb3d8 | 340 | |
okano | 7:815366f003ee | 341 | try_and_check( "G 0 T\r\n", "0", 0 ); |
okano | 7:815366f003ee | 342 | free( b ); |
okano | 8:b220fadbb3d8 | 343 | |
okano | 12:5a33b5d39792 | 344 | return ( total_size ); |
okano | 7:815366f003ee | 345 | } |
okano | 7:815366f003ee | 346 | |
okano | 7:815366f003ee | 347 | |
okano | 12:5a33b5d39792 | 348 | int write_binary_data( FILE *fp, int ram_size, int sector_size, unsigned int ram_start ) |
okano | 12:5a33b5d39792 | 349 | { |
okano | 12:5a33b5d39792 | 350 | char command_str[ STR_BUFF_SIZE ]; |
okano | 12:5a33b5d39792 | 351 | int total_size = 0; |
okano | 12:5a33b5d39792 | 352 | int size; |
okano | 12:5a33b5d39792 | 353 | int flash_writing_size; |
okano | 12:5a33b5d39792 | 354 | char *b; |
okano | 12:5a33b5d39792 | 355 | |
okano | 12:5a33b5d39792 | 356 | flash_writing_size = 256; |
okano | 12:5a33b5d39792 | 357 | |
okano | 12:5a33b5d39792 | 358 | if ( NULL == (b = (char *)malloc( flash_writing_size * sizeof( char ) )) ) |
okano | 12:5a33b5d39792 | 359 | error( "malloc error happened\r\n" ); |
okano | 12:5a33b5d39792 | 360 | |
okano | 12:5a33b5d39792 | 361 | while ( size = fread( b, sizeof( char ), flash_writing_size, fp ) ) { |
okano | 12:5a33b5d39792 | 362 | |
okano | 12:5a33b5d39792 | 363 | if ( !total_size ) { |
okano | 12:5a33b5d39792 | 364 | // overwriting 4 bytes data for address=0x1C |
okano | 12:5a33b5d39792 | 365 | // there is a slot for checksum that is checked in (target's) boot process |
okano | 12:5a33b5d39792 | 366 | add_isp_checksum( b ); |
okano | 12:5a33b5d39792 | 367 | } |
okano | 12:5a33b5d39792 | 368 | |
okano | 12:5a33b5d39792 | 369 | sprintf( command_str, "W %ld %ld\r\n", ram_start, flash_writing_size ); |
okano | 12:5a33b5d39792 | 370 | try_and_check( command_str, "0", 0 ); |
okano | 12:5a33b5d39792 | 371 | |
okano | 12:5a33b5d39792 | 372 | put_binary( b, flash_writing_size ); |
okano | 12:5a33b5d39792 | 373 | put_string( "\r\n" ); |
okano | 12:5a33b5d39792 | 374 | |
okano | 12:5a33b5d39792 | 375 | sprintf( command_str, "P %d %d\r\n", total_size / sector_size, total_size / sector_size ); |
okano | 12:5a33b5d39792 | 376 | try_and_check( command_str, "0", 0 ); |
okano | 12:5a33b5d39792 | 377 | |
okano | 12:5a33b5d39792 | 378 | sprintf( command_str, "C %d %d %d\r\n", total_size, ram_start, flash_writing_size ); |
okano | 12:5a33b5d39792 | 379 | try_and_check( command_str, "0", 0 ); |
okano | 12:5a33b5d39792 | 380 | |
okano | 12:5a33b5d39792 | 381 | total_size += size; |
okano | 12:5a33b5d39792 | 382 | printf( " total %d bytes transferred\r", total_size ); |
okano | 12:5a33b5d39792 | 383 | |
okano | 12:5a33b5d39792 | 384 | } |
okano | 12:5a33b5d39792 | 385 | |
okano | 12:5a33b5d39792 | 386 | free( b ); |
okano | 12:5a33b5d39792 | 387 | |
okano | 12:5a33b5d39792 | 388 | return ( total_size ); |
okano | 12:5a33b5d39792 | 389 | } |
okano | 12:5a33b5d39792 | 390 | |
okano | 7:815366f003ee | 391 | void initialize_uue_table( void ) |
okano | 7:815366f003ee | 392 | { |
okano | 7:815366f003ee | 393 | int i; |
okano | 8:b220fadbb3d8 | 394 | |
okano | 7:815366f003ee | 395 | uue_table[0] = 0x60; // 0x20 is translated to 0x60 ! |
okano | 8:b220fadbb3d8 | 396 | |
okano | 7:815366f003ee | 397 | for (i = 1; i < 64; i++) { |
okano | 7:815366f003ee | 398 | uue_table[i] = (char)(0x20 + i); |
okano | 7:815366f003ee | 399 | } |
okano | 7:815366f003ee | 400 | } |
okano | 7:815366f003ee | 401 | |
okano | 7:815366f003ee | 402 | |
okano | 11:8dfc3217d1ca | 403 | long bin2uue( char *bin, char *str, int size ) |
okano | 7:815366f003ee | 404 | { |
okano | 7:815366f003ee | 405 | unsigned long v; |
okano | 7:815366f003ee | 406 | long checksum = 0; |
okano | 7:815366f003ee | 407 | int strpos = 0; |
okano | 8:b220fadbb3d8 | 408 | |
okano | 11:8dfc3217d1ca | 409 | *(str + strpos++) = ' ' + size; |
okano | 8:b220fadbb3d8 | 410 | |
okano | 11:8dfc3217d1ca | 411 | for ( int i = 0; i < size; i += 3 ) { |
okano | 7:815366f003ee | 412 | checksum += *(bin + i + 0) + *(bin + i + 1) + *(bin + i + 2); |
okano | 7:815366f003ee | 413 | v = (*(bin + i + 0) << 16) | (*(bin + i + 1) << 8) | (*(bin + i + 2) << 0); |
okano | 7:815366f003ee | 414 | *(str + strpos++) = uue_table[ (v >> 18) & 0x3F ]; |
okano | 7:815366f003ee | 415 | *(str + strpos++) = uue_table[ (v >> 12) & 0x3F ]; |
okano | 7:815366f003ee | 416 | *(str + strpos++) = uue_table[ (v >> 6) & 0x3F ]; |
okano | 7:815366f003ee | 417 | *(str + strpos++) = uue_table[ (v >> 0) & 0x3F ]; |
okano | 7:815366f003ee | 418 | } |
okano | 7:815366f003ee | 419 | *(str + strpos++) = '\n'; |
okano | 7:815366f003ee | 420 | *(str + strpos++) = '\0'; |
okano | 8:b220fadbb3d8 | 421 | |
okano | 7:815366f003ee | 422 | return checksum; |
okano | 7:815366f003ee | 423 | } |
okano | 6:0ae6fe8c8512 | 424 | |
okano | 6:0ae6fe8c8512 | 425 | |
okano | 12:5a33b5d39792 | 426 | int get_flash_writing_size( int ram_size, unsigned int ram_start ) |
okano | 6:0ae6fe8c8512 | 427 | { |
okano | 6:0ae6fe8c8512 | 428 | int flash_writing_size[] = { |
okano | 6:0ae6fe8c8512 | 429 | 4096, |
okano | 6:0ae6fe8c8512 | 430 | 1024, |
okano | 6:0ae6fe8c8512 | 431 | 512, |
okano | 6:0ae6fe8c8512 | 432 | 256 |
okano | 6:0ae6fe8c8512 | 433 | }; |
okano | 6:0ae6fe8c8512 | 434 | int available_size; |
okano | 6:0ae6fe8c8512 | 435 | int i; |
okano | 8:b220fadbb3d8 | 436 | |
okano | 12:5a33b5d39792 | 437 | available_size = ram_size - (ram_start & 0xFFFF); |
okano | 8:b220fadbb3d8 | 438 | |
okano | 6:0ae6fe8c8512 | 439 | for ( i = 0; i < sizeof( flash_writing_size ) / sizeof( int ); i++ ) { |
okano | 6:0ae6fe8c8512 | 440 | if ( flash_writing_size[ i ] < available_size ) |
okano | 6:0ae6fe8c8512 | 441 | break; |
okano | 6:0ae6fe8c8512 | 442 | } |
okano | 8:b220fadbb3d8 | 443 | |
okano | 6:0ae6fe8c8512 | 444 | return ( flash_writing_size[ i ] ); |
okano | 6:0ae6fe8c8512 | 445 | } |
okano | 4:55f1977bd11a | 446 | |
okano | 4:55f1977bd11a | 447 | |
okano | 1:54e619428ae6 | 448 | void add_isp_checksum( char *b ) |
okano | 1:54e619428ae6 | 449 | { |
okano | 1:54e619428ae6 | 450 | // see http://www.lpcware.com/content/nxpfile/lpc177x8x-checksum-insertion-program |
okano | 8:b220fadbb3d8 | 451 | |
okano | 1:54e619428ae6 | 452 | unsigned int *p; |
okano | 1:54e619428ae6 | 453 | unsigned int cksum = 0; |
okano | 8:b220fadbb3d8 | 454 | |
okano | 1:54e619428ae6 | 455 | p = (unsigned int *)b; |
okano | 8:b220fadbb3d8 | 456 | |
okano | 1:54e619428ae6 | 457 | for ( int i = 0; i < 7; i++ ) { |
okano | 1:54e619428ae6 | 458 | cksum += *p++; |
okano | 1:54e619428ae6 | 459 | } |
okano | 8:b220fadbb3d8 | 460 | |
okano | 1:54e619428ae6 | 461 | printf( " -- value at checksum slot : 0x%08X\r\n", *p ); |
okano | 8:b220fadbb3d8 | 462 | |
okano | 1:54e619428ae6 | 463 | *p = 0xFFFFFFFF - cksum + 1; |
okano | 1:54e619428ae6 | 464 | printf( " -- calculated checksum : 0x%08X\r\n", *p ); |
okano | 8:b220fadbb3d8 | 465 | |
okano | 1:54e619428ae6 | 466 | printf( " new checksum will be used to program flash\r\n" ); |
okano | 1:54e619428ae6 | 467 | } |
okano | 1:54e619428ae6 | 468 | |
okano | 1:54e619428ae6 | 469 | |
okano | 4:55f1977bd11a | 470 | void send_RAM_transfer_checksum( int checksum ) |
okano | 4:55f1977bd11a | 471 | { |
okano | 4:55f1977bd11a | 472 | char command[ 16 ]; |
okano | 8:b220fadbb3d8 | 473 | |
okano | 4:55f1977bd11a | 474 | sprintf( command, "%d\n", checksum ); |
okano | 4:55f1977bd11a | 475 | try_and_check( command, "OK", 0 ); |
okano | 4:55f1977bd11a | 476 | } |
okano | 4:55f1977bd11a | 477 | |
okano | 0:6baefda2e511 | 478 | |
okano | 0:6baefda2e511 | 479 | void put_string( char *s ) |
okano | 0:6baefda2e511 | 480 | { |
okano | 2:8d75eb0ecd20 | 481 | char c; |
okano | 2:8d75eb0ecd20 | 482 | static int i = 0; |
okano | 8:b220fadbb3d8 | 483 | |
okano | 3:3c380e643e74 | 484 | while ( c = *s++ ) { |
okano | 0:6baefda2e511 | 485 | target.putc( c ); |
okano | 2:8d75eb0ecd20 | 486 | leds = i++ & 0x1; |
okano | 2:8d75eb0ecd20 | 487 | } |
okano | 0:6baefda2e511 | 488 | } |
okano | 0:6baefda2e511 | 489 | |
okano | 7:815366f003ee | 490 | |
okano | 12:5a33b5d39792 | 491 | void put_binary( char *b, int size ) |
okano | 12:5a33b5d39792 | 492 | { |
okano | 12:5a33b5d39792 | 493 | for ( int i = 0; i < size; i++ ) |
okano | 12:5a33b5d39792 | 494 | target.putc( *b++ ); |
okano | 12:5a33b5d39792 | 495 | } |
okano | 12:5a33b5d39792 | 496 | |
okano | 12:5a33b5d39792 | 497 | |
okano | 9:ca4c9a2ac8e1 | 498 | Timeout timeout; |
okano | 9:ca4c9a2ac8e1 | 499 | |
okano | 9:ca4c9a2ac8e1 | 500 | int timeout_flag = 0; |
okano | 9:ca4c9a2ac8e1 | 501 | |
okano | 9:ca4c9a2ac8e1 | 502 | void set_flag() |
okano | 9:ca4c9a2ac8e1 | 503 | { |
okano | 9:ca4c9a2ac8e1 | 504 | timeout_flag = 1; |
okano | 9:ca4c9a2ac8e1 | 505 | } |
okano | 9:ca4c9a2ac8e1 | 506 | |
okano | 9:ca4c9a2ac8e1 | 507 | |
okano | 0:6baefda2e511 | 508 | void get_string( char *s ) |
okano | 0:6baefda2e511 | 509 | { |
okano | 0:6baefda2e511 | 510 | int i = 0; |
okano | 0:6baefda2e511 | 511 | char c = 0; |
okano | 9:ca4c9a2ac8e1 | 512 | timeout_flag = 0; |
okano | 9:ca4c9a2ac8e1 | 513 | |
okano | 9:ca4c9a2ac8e1 | 514 | timeout.attach( &set_flag, 1 ); |
okano | 8:b220fadbb3d8 | 515 | |
okano | 0:6baefda2e511 | 516 | do { |
okano | 0:6baefda2e511 | 517 | do { |
okano | 0:6baefda2e511 | 518 | if ( target.readable() ) { |
okano | 0:6baefda2e511 | 519 | c = target.getc(); |
okano | 8:b220fadbb3d8 | 520 | |
okano | 0:6baefda2e511 | 521 | if ( ( c == '\n') || (c == '\r') ) |
okano | 0:6baefda2e511 | 522 | break; |
okano | 8:b220fadbb3d8 | 523 | |
okano | 0:6baefda2e511 | 524 | *s++ = c; |
okano | 0:6baefda2e511 | 525 | i++; |
okano | 0:6baefda2e511 | 526 | } |
okano | 9:ca4c9a2ac8e1 | 527 | |
okano | 9:ca4c9a2ac8e1 | 528 | if ( timeout_flag ) |
okano | 9:ca4c9a2ac8e1 | 529 | return; |
okano | 0:6baefda2e511 | 530 | } while ( 1 ); |
okano | 0:6baefda2e511 | 531 | } while ( !i ); |
okano | 8:b220fadbb3d8 | 532 | |
okano | 0:6baefda2e511 | 533 | *s = '\0'; |
okano | 0:6baefda2e511 | 534 | } |
okano | 9:ca4c9a2ac8e1 | 535 | |
okano | 16:cac2348cfcfb | 536 | |
okano | 16:cac2348cfcfb | 537 | void success_indicator() |
okano | 16:cac2348cfcfb | 538 | { |
okano | 16:cac2348cfcfb | 539 | static int i = 0; |
okano | 16:cac2348cfcfb | 540 | |
okano | 16:cac2348cfcfb | 541 | leds = 0x1 << (i++ & 0x3); |
okano | 16:cac2348cfcfb | 542 | } |
okano | 16:cac2348cfcfb | 543 |