#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++]; }