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- #include "config.h"
- #include "uart.h"
- #include "ff.h"
- #include "fileops.h"
- #include "diskio.h"
- /*
- WCHAR ff_convert(WCHAR w, UINT dir) {
- return w;
- }*/
- int newcard;
- void file_init()
- {
- file_res = f_mount( 0, &fatfs );
- newcard = 0;
- }
- void file_reinit( void )
- {
- disk_init();
- file_init();
- }
- void file_open_by_filinfo( FILINFO *fno )
- {
- file_res = l_openfilebycluster( &fatfs, &file_handle, ( TCHAR * )"", fno->clust, fno->fsize );
- }
- void file_open( uint8_t *filename, BYTE flags )
- {
- if ( disk_state == DISK_CHANGED )
- {
- file_reinit();
- newcard = 1;
- }
- file_res = f_open( &file_handle, ( TCHAR * )filename, flags );
- file_block_off = sizeof( file_buf );
- file_block_max = sizeof( file_buf );
- file_status = file_res ? FILE_ERR : FILE_OK;
- }
- void file_close()
- {
- file_res = f_close( &file_handle );
- }
- UINT file_read()
- {
- UINT bytes_read;
- file_res = f_read( &file_handle, file_buf, sizeof( file_buf ), &bytes_read );
- return bytes_read;
- }
- /*UINT file_write() {
- UINT bytes_written;
- file_res = f_write(&file_handle, file_buf, sizeof(file_buf), &bytes_written);
- if(bytes_written < sizeof(file_buf)) {
- printf("wrote less than expected - card full?\n");
- }
- return bytes_written;
- }*/
- UINT file_readblock( void *buf, uint32_t addr, uint16_t size )
- {
- UINT bytes_read;
- file_res = f_lseek( &file_handle, addr );
- if ( file_handle.fptr != addr )
- {
- return 0;
- }
- file_res = f_read( &file_handle, buf, size, &bytes_read );
- return bytes_read;
- }
- /*UINT file_writeblock(void* buf, uint32_t addr, uint16_t size) {
- UINT bytes_written;
- file_res = f_lseek(&file_handle, addr);
- if(file_res) return 0;
- file_res = f_write(&file_handle, buf, size, &bytes_written);
- return bytes_written;
- }*/
- uint8_t file_getc()
- {
- if ( file_block_off == file_block_max )
- {
- file_block_max = file_read();
- if ( file_block_max == 0 )
- {
- file_status = FILE_EOF;
- }
- file_block_off = 0;
- }
- return file_buf[file_block_off++];
- }
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