Code to load a LPC1114 over tx/rx. I have only tested with a 1114 chip but it should work with other LPC uControllers
Dependencies: DirectoryList MODSERIAL mbed
Fork of ika_shouyu_poppoyaki by
isp.cpp@41:74b9ff21098f, 2013-11-19 (annotated)
- Committer:
- okano
- Date:
- Tue Nov 19 23:53:20 2013 +0000
- Revision:
- 41:74b9ff21098f
- Parent:
- 39:f68f9fa1e88e
- Child:
- 44:568799eac6df
enabled to handle <0x300 (768) bytes data file
Who changed what in which revision?
User | Revision | Line number | New 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 | } |