Diff: isp.cpp

Revision:

30:e0d7524661ca

Child:

32:3700d5df4e18

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/isp.cpp	Fri Sep 20 02:21:58 2013 +0000
@@ -0,0 +1,112 @@
+
+#include    "mbed.h"
+#include    "target_table.h"
+#include    "serial_utilities.h"
+#include    "command_interface.h"
+#include    "writing.h"
+#include    "uu_coding.h"
+#include    "target_handling.h"
+#include    "verification.h"
+#include    "isp.h"
+#include    "_user_settings.h"
+
+
+BusOut          leds( LED4, LED3, LED2, LED1 );
+Ticker          success;
+
+
+int     file_size( FILE *fp );
+void    success_indicator();
+
+int isp_flash_write( char *file_name )
+{
+    FILE            *fp;
+    target_param    *tpp;
+    int             data_size;
+    int             last_sector;
+    int             transferred_size;
+    int             err;
+
+    if ( NULL == (tpp = open_target( ISP_BAUD_RATE )) ) {
+        return ( ERROR_AT_TARGET_OPEN );
+    }
+
+    printf( "  target device found : type       = \"%s\"\r\n",     tpp->type_name );
+    printf( "                        ID         = 0x%08X\r\n",     tpp->id );
+    printf( "                        RAM size   = %10d bytes\r\n", tpp->ram_size );
+    printf( "                        flash size = %10d bytes\r\n", tpp->flash_size );
+
+    printf( "  opening file: \"%s\"\r\n", file_name );
+
+    if ( NULL == (fp    = fopen( file_name, "rb" )) ) {
+        return ( ERROR_AT_FILE_OPEN );
+    }
+
+    data_size   = file_size( fp );
+    last_sector = data_size / tpp->sector_size;
+
+    printf( "  data size = %d bytes, it takes %d secotrs in flash area\r\n", data_size, last_sector + 1 );
+    printf( "  resetting target\r\n" );
+
+    if ( erase_sectors( last_sector ) )
+        return ( ERROR_AT_SECTOR_ERASE );
+
+    printf( "\r\n  ==== flash writing ====\r\n" );
+
+    if ( err    = write_flash( fp, tpp, &transferred_size ) )
+        return ( err );
+
+    printf( "  -- %d bytes data are written\r\n", transferred_size );
+
+
+    printf( "\r\n  ==== flash reading and verifying ====\r\n" );
+
+    if ( err    = verify_flash( fp, tpp, &transferred_size ) )
+        return ( err );
+
+    printf( "  -- %d bytes data are read and verified\r\n", transferred_size );
+
+    fclose( fp );
+
+    post_writing_process( tpp );
+
+    return ( 0 );
+}
+
+
+int file_size( FILE *fp )
+{
+    int     size;
+
+    fseek( fp, 0, SEEK_END ); // seek to end of file
+    size    = ftell( fp );       // get current file pointer
+    fseek( fp, 0, SEEK_SET ); // seek back to beginning of file
+
+    return size;
+}
+
+
+void start_target_in_normal_mode( int baud_rate )
+{
+    set_target_baud_rate( baud_rate );
+    reset_target( NO_ISP_MODE );
+}
+
+void start_success_indicator( void )
+{
+    success.attach( &success_indicator, 0.1 );
+}
+
+void success_indicator()
+{
+    static int  i   = 0;
+
+    leds    = 0x1 << (i++ & 0x3);
+}
+
+
+void toggle_led( char v )
+{
+    leds    = leds ^ (0x1 << v);
+}
+