Add to 11U68 11E68
Dependencies: DirectoryList MODSERIAL mbed
Fork of ika_shouyu_poppoyaki by
main.cpp@1:54e619428ae6, 2013-08-24 (annotated)
- Committer:
- okano
- Date:
- Sat Aug 24 13:08:37 2013 +0000
- Revision:
- 1:54e619428ae6
- Parent:
- 0:6baefda2e511
- Child:
- 2:8d75eb0ecd20
ISP checksum addition
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
okano | 0:6baefda2e511 | 1 | #include "mbed.h" |
okano | 0:6baefda2e511 | 2 | |
okano | 0:6baefda2e511 | 3 | DigitalOut led1(LED1); |
okano | 0:6baefda2e511 | 4 | DigitalOut led2(LED2); |
okano | 0:6baefda2e511 | 5 | |
okano | 0:6baefda2e511 | 6 | DigitalOut reset_pin( p26 ); |
okano | 0:6baefda2e511 | 7 | DigitalOut isp_pin( p25 ); |
okano | 0:6baefda2e511 | 8 | |
okano | 0:6baefda2e511 | 9 | Serial pc (USBTX,USBRX); |
okano | 0:6baefda2e511 | 10 | Serial target (p28,p27); |
okano | 0:6baefda2e511 | 11 | |
okano | 0:6baefda2e511 | 12 | LocalFileSystem local("local"); |
okano | 0:6baefda2e511 | 13 | |
okano | 1:54e619428ae6 | 14 | #define SOURCE_FILE "/local/bin" |
okano | 1:54e619428ae6 | 15 | #define STR_BUFF_SIZE 64 |
okano | 1:54e619428ae6 | 16 | #define RAM_START_ADDRESS 0x10000300L |
okano | 1:54e619428ae6 | 17 | #define SECTOR_SIZE 4096 |
okano | 0:6baefda2e511 | 18 | |
okano | 0:6baefda2e511 | 19 | void put_string( char *s ); |
okano | 0:6baefda2e511 | 20 | void get_string( char *s ); |
okano | 0:6baefda2e511 | 21 | |
okano | 0:6baefda2e511 | 22 | |
okano | 0:6baefda2e511 | 23 | int try_and_check( char *command, char *expected_return_str, int mode ) |
okano | 0:6baefda2e511 | 24 | { |
okano | 0:6baefda2e511 | 25 | char rtn_str[ STR_BUFF_SIZE ]; |
okano | 0:6baefda2e511 | 26 | |
okano | 0:6baefda2e511 | 27 | put_string( command ); |
okano | 0:6baefda2e511 | 28 | get_string( rtn_str ); |
okano | 0:6baefda2e511 | 29 | |
okano | 0:6baefda2e511 | 30 | return ( strcmp( expected_return_str, rtn_str ) ); |
okano | 0:6baefda2e511 | 31 | } |
okano | 0:6baefda2e511 | 32 | |
okano | 0:6baefda2e511 | 33 | int try_and_check2( char *command, char *expected_return_str, int mode ) |
okano | 0:6baefda2e511 | 34 | { |
okano | 0:6baefda2e511 | 35 | char rtn_str[ STR_BUFF_SIZE ]; |
okano | 0:6baefda2e511 | 36 | |
okano | 0:6baefda2e511 | 37 | put_string( command ); |
okano | 0:6baefda2e511 | 38 | |
okano | 0:6baefda2e511 | 39 | get_string( rtn_str ); // just readout echoback |
okano | 0:6baefda2e511 | 40 | get_string( rtn_str ); |
okano | 0:6baefda2e511 | 41 | |
okano | 0:6baefda2e511 | 42 | return ( strcmp( expected_return_str, rtn_str ) ); |
okano | 0:6baefda2e511 | 43 | } |
okano | 0:6baefda2e511 | 44 | |
okano | 0:6baefda2e511 | 45 | char read_byte( void ) |
okano | 0:6baefda2e511 | 46 | { |
okano | 0:6baefda2e511 | 47 | while ( !target.readable() ) |
okano | 0:6baefda2e511 | 48 | ; |
okano | 0:6baefda2e511 | 49 | |
okano | 0:6baefda2e511 | 50 | return ( target.getc() ); |
okano | 0:6baefda2e511 | 51 | } |
okano | 0:6baefda2e511 | 52 | char uue_table[ 64 ]; |
okano | 0:6baefda2e511 | 53 | |
okano | 0:6baefda2e511 | 54 | void initialize_uue_table( void ) |
okano | 0:6baefda2e511 | 55 | { |
okano | 0:6baefda2e511 | 56 | int i; |
okano | 0:6baefda2e511 | 57 | |
okano | 0:6baefda2e511 | 58 | uue_table[0] = 0x60; // 0x20 is translated to 0x60 ! |
okano | 0:6baefda2e511 | 59 | |
okano | 0:6baefda2e511 | 60 | for (i = 1; i < 64; i++) { |
okano | 0:6baefda2e511 | 61 | uue_table[i] = (char)(0x20 + i); |
okano | 0:6baefda2e511 | 62 | } |
okano | 0:6baefda2e511 | 63 | } |
okano | 0:6baefda2e511 | 64 | |
okano | 0:6baefda2e511 | 65 | long bin2uue( char *bin, char *str ) |
okano | 0:6baefda2e511 | 66 | { |
okano | 0:6baefda2e511 | 67 | unsigned long v; |
okano | 1:54e619428ae6 | 68 | long checksum = 0; |
okano | 0:6baefda2e511 | 69 | int strpos = 0; |
okano | 0:6baefda2e511 | 70 | |
okano | 0:6baefda2e511 | 71 | *(str + strpos++) = ' ' + 45; |
okano | 0:6baefda2e511 | 72 | |
okano | 0:6baefda2e511 | 73 | for ( int i = 0; i < 45; i += 3 ) { |
okano | 1:54e619428ae6 | 74 | checksum += *(bin + i + 0) + *(bin + i + 1) + *(bin + i + 2); |
okano | 0:6baefda2e511 | 75 | v = (*(bin + i + 0) << 16) | (*(bin + i + 1) << 8) | (*(bin + i + 2) << 0); |
okano | 0:6baefda2e511 | 76 | *(str + strpos++) = uue_table[ (v >> 18) & 0x3F ]; |
okano | 0:6baefda2e511 | 77 | *(str + strpos++) = uue_table[ (v >> 12) & 0x3F ]; |
okano | 0:6baefda2e511 | 78 | *(str + strpos++) = uue_table[ (v >> 6) & 0x3F ]; |
okano | 0:6baefda2e511 | 79 | *(str + strpos++) = uue_table[ (v >> 0) & 0x3F ]; |
okano | 0:6baefda2e511 | 80 | } |
okano | 0:6baefda2e511 | 81 | *(str + strpos++) = '\n'; |
okano | 0:6baefda2e511 | 82 | *(str + strpos++) = '\0'; |
okano | 0:6baefda2e511 | 83 | |
okano | 1:54e619428ae6 | 84 | return checksum; |
okano | 0:6baefda2e511 | 85 | } |
okano | 0:6baefda2e511 | 86 | |
okano | 1:54e619428ae6 | 87 | void add_isp_checksum( char *b ) |
okano | 1:54e619428ae6 | 88 | { |
okano | 1:54e619428ae6 | 89 | // see http://www.lpcware.com/content/nxpfile/lpc177x8x-checksum-insertion-program |
okano | 1:54e619428ae6 | 90 | |
okano | 1:54e619428ae6 | 91 | unsigned int *p; |
okano | 1:54e619428ae6 | 92 | unsigned int cksum = 0; |
okano | 1:54e619428ae6 | 93 | |
okano | 1:54e619428ae6 | 94 | p = (unsigned int *)b; |
okano | 1:54e619428ae6 | 95 | |
okano | 1:54e619428ae6 | 96 | for ( int i = 0; i < 7; i++ ) { |
okano | 1:54e619428ae6 | 97 | cksum += *p++; |
okano | 1:54e619428ae6 | 98 | } |
okano | 1:54e619428ae6 | 99 | |
okano | 1:54e619428ae6 | 100 | printf( " -- value at checksum slot : 0x%08X\r\n", *p ); |
okano | 1:54e619428ae6 | 101 | |
okano | 1:54e619428ae6 | 102 | *p = 0xFFFFFFFF - cksum + 1; |
okano | 1:54e619428ae6 | 103 | printf( " -- calculated checksum : 0x%08X\r\n", *p ); |
okano | 1:54e619428ae6 | 104 | |
okano | 1:54e619428ae6 | 105 | printf( " new checksum will be used to program flash\r\n" ); |
okano | 1:54e619428ae6 | 106 | } |
okano | 1:54e619428ae6 | 107 | |
okano | 1:54e619428ae6 | 108 | |
okano | 1:54e619428ae6 | 109 | |
okano | 1:54e619428ae6 | 110 | void erase_sectors( int last_sector ) |
okano | 1:54e619428ae6 | 111 | { |
okano | 1:54e619428ae6 | 112 | char command_str[ STR_BUFF_SIZE ]; |
okano | 1:54e619428ae6 | 113 | |
okano | 1:54e619428ae6 | 114 | sprintf( command_str, "P 0 %d\r\n", last_sector ); |
okano | 1:54e619428ae6 | 115 | |
okano | 1:54e619428ae6 | 116 | printf( "\"%s\" %s\r\n", command_str, try_and_check( command_str, "0", 0 ) ? "Fail" : "Pass" ); |
okano | 1:54e619428ae6 | 117 | |
okano | 1:54e619428ae6 | 118 | *(command_str) = 'E'; |
okano | 1:54e619428ae6 | 119 | printf( "\"%s\" %s\r\n", command_str, try_and_check( command_str, "0", 0 ) ? "Fail" : "Pass" ); |
okano | 1:54e619428ae6 | 120 | } |
okano | 0:6baefda2e511 | 121 | |
okano | 0:6baefda2e511 | 122 | #define FLASH_WRITING_SIZE 1024 |
okano | 0:6baefda2e511 | 123 | #define TRANSFER_SIZE (24 * 45) |
okano | 0:6baefda2e511 | 124 | |
okano | 0:6baefda2e511 | 125 | char b[ TRANSFER_SIZE ]; |
okano | 0:6baefda2e511 | 126 | |
okano | 1:54e619428ae6 | 127 | void write_binary_data( FILE *fp ) |
okano | 0:6baefda2e511 | 128 | { |
okano | 0:6baefda2e511 | 129 | char command_str[ STR_BUFF_SIZE ]; |
okano | 1:54e619428ae6 | 130 | long checksum = 0; |
okano | 0:6baefda2e511 | 131 | int transfer_count = 0; |
okano | 0:6baefda2e511 | 132 | int size; |
okano | 0:6baefda2e511 | 133 | |
okano | 0:6baefda2e511 | 134 | initialize_uue_table(); |
okano | 0:6baefda2e511 | 135 | |
okano | 0:6baefda2e511 | 136 | for ( int i = FLASH_WRITING_SIZE; i < TRANSFER_SIZE; i++ ) |
okano | 0:6baefda2e511 | 137 | b[ i ] = 0; |
okano | 0:6baefda2e511 | 138 | |
okano | 0:6baefda2e511 | 139 | while ( size = fread( b, sizeof( char ), FLASH_WRITING_SIZE, fp ) ) { |
okano | 0:6baefda2e511 | 140 | |
okano | 1:54e619428ae6 | 141 | if ( !transfer_count ) { |
okano | 1:54e619428ae6 | 142 | add_isp_checksum( b ); |
okano | 1:54e619428ae6 | 143 | } |
okano | 1:54e619428ae6 | 144 | |
okano | 1:54e619428ae6 | 145 | sprintf( command_str, "W %ld %ld\r\n", RAM_START_ADDRESS, 1080 ); |
okano | 0:6baefda2e511 | 146 | printf( "\"%s\" %s\r\n", command_str, try_and_check( command_str, "0", 0 ) ? "Fail" : "Pass" ); |
okano | 0:6baefda2e511 | 147 | |
okano | 0:6baefda2e511 | 148 | for ( int i = 0; i < 24; i++ ) { |
okano | 1:54e619428ae6 | 149 | checksum += bin2uue( b + (i * 45), command_str ); |
okano | 0:6baefda2e511 | 150 | printf( "%02d %s\r\n", i, command_str ); |
okano | 0:6baefda2e511 | 151 | put_string( command_str ); |
okano | 0:6baefda2e511 | 152 | if ( (i == 19) || (i == 23) ) { |
okano | 1:54e619428ae6 | 153 | sprintf( command_str, "%ld\n", checksum ); |
okano | 1:54e619428ae6 | 154 | printf( " %ld %s\r\n", checksum, command_str ); |
okano | 0:6baefda2e511 | 155 | printf( "\"%s\" %s\r\n", command_str, try_and_check( command_str, "OK", 0 ) ? "Fail" : "Pass" ); |
okano | 0:6baefda2e511 | 156 | |
okano | 1:54e619428ae6 | 157 | checksum = 0; |
okano | 0:6baefda2e511 | 158 | } |
okano | 0:6baefda2e511 | 159 | } |
okano | 0:6baefda2e511 | 160 | |
okano | 0:6baefda2e511 | 161 | printf( "\"P 0 0\" %s\r\n", try_and_check( "P 0 0\r\n", "0", 0 ) ? "Fail" : "Pass" ); |
okano | 0:6baefda2e511 | 162 | |
okano | 0:6baefda2e511 | 163 | sprintf( command_str, "C %ld %ld %ld\r\n", FLASH_WRITING_SIZE * transfer_count++, 0x10000300L, FLASH_WRITING_SIZE ); |
okano | 0:6baefda2e511 | 164 | printf( "\"%s\" %s\r\n", command_str, try_and_check( command_str, "0", 0 ) ? "Fail" : "Pass" ); |
okano | 0:6baefda2e511 | 165 | |
okano | 0:6baefda2e511 | 166 | |
okano | 0:6baefda2e511 | 167 | } |
okano | 0:6baefda2e511 | 168 | printf( "\"G 0 T\" %s\r\n", try_and_check( "G 0 T\r\n", "0", 0 ) ? "Fail" : "Pass" ); |
okano | 0:6baefda2e511 | 169 | } |
okano | 0:6baefda2e511 | 170 | |
okano | 1:54e619428ae6 | 171 | int file_size( FILE *fp ) |
okano | 1:54e619428ae6 | 172 | { |
okano | 1:54e619428ae6 | 173 | int size; |
okano | 1:54e619428ae6 | 174 | |
okano | 1:54e619428ae6 | 175 | fseek( fp, 0, SEEK_END ); // seek to end of file |
okano | 1:54e619428ae6 | 176 | size = ftell( fp ); // get current file pointer |
okano | 1:54e619428ae6 | 177 | fseek( fp, 0, SEEK_SET ); // seek back to beginning of file |
okano | 1:54e619428ae6 | 178 | |
okano | 1:54e619428ae6 | 179 | return size; |
okano | 1:54e619428ae6 | 180 | } |
okano | 1:54e619428ae6 | 181 | |
okano | 1:54e619428ae6 | 182 | void reset_target( int isp_pin_state ) |
okano | 1:54e619428ae6 | 183 | { |
okano | 1:54e619428ae6 | 184 | reset_pin = 1; |
okano | 1:54e619428ae6 | 185 | isp_pin = 0; |
okano | 1:54e619428ae6 | 186 | wait_ms( 100 ); |
okano | 1:54e619428ae6 | 187 | reset_pin = 0; |
okano | 1:54e619428ae6 | 188 | wait_ms( 100 ); |
okano | 1:54e619428ae6 | 189 | reset_pin = 1; |
okano | 1:54e619428ae6 | 190 | wait_ms( 100 ); |
okano | 1:54e619428ae6 | 191 | } |
okano | 1:54e619428ae6 | 192 | |
okano | 0:6baefda2e511 | 193 | int main() |
okano | 0:6baefda2e511 | 194 | { |
okano | 0:6baefda2e511 | 195 | FILE *fp; |
okano | 0:6baefda2e511 | 196 | char str_buf0[ STR_BUFF_SIZE ]; |
okano | 0:6baefda2e511 | 197 | char str_buf1[ STR_BUFF_SIZE ]; |
okano | 1:54e619428ae6 | 198 | int data_size; |
okano | 1:54e619428ae6 | 199 | int last_sector; |
okano | 0:6baefda2e511 | 200 | |
okano | 0:6baefda2e511 | 201 | pc.baud(9600); |
okano | 0:6baefda2e511 | 202 | target.baud(9600); |
okano | 0:6baefda2e511 | 203 | |
okano | 0:6baefda2e511 | 204 | if ( NULL == (fp = fopen( SOURCE_FILE, "rb" )) ) { |
okano | 0:6baefda2e511 | 205 | error( "couldn't open source file" ); |
okano | 0:6baefda2e511 | 206 | return ( 1 ); |
okano | 0:6baefda2e511 | 207 | } |
okano | 0:6baefda2e511 | 208 | |
okano | 1:54e619428ae6 | 209 | data_size = file_size( fp ); |
okano | 1:54e619428ae6 | 210 | last_sector = data_size / SECTOR_SIZE; |
okano | 0:6baefda2e511 | 211 | printf( "\r\n\r\ntarget RESET\r\n" ); |
okano | 1:54e619428ae6 | 212 | printf( "data size = %d bytes, it takes %d secotrs in flash area\r\n", data_size, last_sector + 1 ); |
okano | 0:6baefda2e511 | 213 | |
okano | 1:54e619428ae6 | 214 | reset_target( 0 ); |
okano | 0:6baefda2e511 | 215 | |
okano | 0:6baefda2e511 | 216 | printf( "\"?\" >> \"Synchronized\" %s\r\n", try_and_check( "?", "Synchronized", 0 ) ? "Fail" : "Pass" ); |
okano | 0:6baefda2e511 | 217 | printf( "\"Synchronized\\r\\n\" %s\r\n", try_and_check2( "Synchronized\r\n", "OK", 0 ) ? "Fail" : "Pass" ); |
okano | 0:6baefda2e511 | 218 | printf( "\"12000\" %s\r\n", try_and_check2( "12000\r\n", "OK", 0 ) ? "Fail" : "Pass" ); |
okano | 0:6baefda2e511 | 219 | printf( "\"U 23130\" %s\r\n", try_and_check2( "U 23130\r\n", "0", 0 ) ? "Fail" : "Pass" ); |
okano | 0:6baefda2e511 | 220 | printf( "\"A 0\" %s\r\n", try_and_check2( "A 0\r\n", "0", 0 ) ? "Fail" : "Pass" ); |
okano | 0:6baefda2e511 | 221 | |
okano | 0:6baefda2e511 | 222 | printf( "\"K\" %s\r\n", try_and_check( "K\r\n", "0", 0 ) ? "Fail" : "Pass" ); |
okano | 0:6baefda2e511 | 223 | get_string( str_buf0 ); |
okano | 0:6baefda2e511 | 224 | get_string( str_buf1 ); |
okano | 0:6baefda2e511 | 225 | printf( " result of \"K\" = %s %s\r\n", str_buf0, str_buf1 ); |
okano | 0:6baefda2e511 | 226 | |
okano | 0:6baefda2e511 | 227 | printf( "\"J\" %s\r\n", try_and_check( "J\r\n", "0", 0 ) ? "Fail" : "Pass" ); |
okano | 0:6baefda2e511 | 228 | get_string( str_buf0 ); |
okano | 0:6baefda2e511 | 229 | printf( " result of \"J\" = %s\r\n", str_buf0 ); |
okano | 0:6baefda2e511 | 230 | |
okano | 0:6baefda2e511 | 231 | #if 0 |
okano | 0:6baefda2e511 | 232 | printf( "\"N\" %s\r\n", try_and_check( "N\r\n", "0", 0 ) ? "Fail" : "Pass" ); |
okano | 0:6baefda2e511 | 233 | get_string( str_buf0 ); |
okano | 0:6baefda2e511 | 234 | printf( " result of \"N\" = %s %lX\r\n", str_buf0, atol( str_buf0 ) ); |
okano | 0:6baefda2e511 | 235 | get_string( str_buf0 ); |
okano | 0:6baefda2e511 | 236 | printf( " result of \"N\" = %s %lX\r\n", str_buf0, atol( str_buf0 ) ); |
okano | 0:6baefda2e511 | 237 | get_string( str_buf0 ); |
okano | 0:6baefda2e511 | 238 | printf( " result of \"N\" = %s %lX\r\n", str_buf0, atol( str_buf0 ) ); |
okano | 0:6baefda2e511 | 239 | get_string( str_buf0 ); |
okano | 0:6baefda2e511 | 240 | printf( " result of \"N\" = %s %lX\r\n", str_buf0, atol( str_buf0 ) ); |
okano | 0:6baefda2e511 | 241 | #endif |
okano | 0:6baefda2e511 | 242 | |
okano | 1:54e619428ae6 | 243 | erase_sectors( last_sector ); |
okano | 1:54e619428ae6 | 244 | |
okano | 1:54e619428ae6 | 245 | write_binary_data( fp ); |
okano | 0:6baefda2e511 | 246 | fclose( fp ); |
okano | 0:6baefda2e511 | 247 | |
okano | 0:6baefda2e511 | 248 | while ( 1 ) |
okano | 0:6baefda2e511 | 249 | ; |
okano | 0:6baefda2e511 | 250 | } |
okano | 0:6baefda2e511 | 251 | |
okano | 0:6baefda2e511 | 252 | void put_string( char *s ) |
okano | 0:6baefda2e511 | 253 | { |
okano | 0:6baefda2e511 | 254 | char c; |
okano | 0:6baefda2e511 | 255 | |
okano | 0:6baefda2e511 | 256 | while ( (c = *s++) ) |
okano | 0:6baefda2e511 | 257 | target.putc( c ); |
okano | 0:6baefda2e511 | 258 | } |
okano | 0:6baefda2e511 | 259 | |
okano | 0:6baefda2e511 | 260 | void get_string( char *s ) |
okano | 0:6baefda2e511 | 261 | { |
okano | 0:6baefda2e511 | 262 | int i = 0; |
okano | 0:6baefda2e511 | 263 | char c = 0; |
okano | 0:6baefda2e511 | 264 | |
okano | 0:6baefda2e511 | 265 | do { |
okano | 0:6baefda2e511 | 266 | do { |
okano | 0:6baefda2e511 | 267 | if ( target.readable() ) { |
okano | 0:6baefda2e511 | 268 | c = target.getc(); |
okano | 0:6baefda2e511 | 269 | |
okano | 0:6baefda2e511 | 270 | if ( ( c == '\n') || (c == '\r') ) |
okano | 0:6baefda2e511 | 271 | break; |
okano | 0:6baefda2e511 | 272 | |
okano | 0:6baefda2e511 | 273 | *s++ = c; |
okano | 0:6baefda2e511 | 274 | i++; |
okano | 0:6baefda2e511 | 275 | led2 = !led2; |
okano | 0:6baefda2e511 | 276 | |
okano | 0:6baefda2e511 | 277 | } |
okano | 0:6baefda2e511 | 278 | } while ( 1 ); |
okano | 0:6baefda2e511 | 279 | } while ( !i ); |
okano | 0:6baefda2e511 | 280 | *s = '\0'; |
okano | 0:6baefda2e511 | 281 | } |
okano | 0:6baefda2e511 | 282 |