1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859 |
- // insert cool lengthy disclaimer here
- // fileops.c: convenience
- #include <util/delay.h>
- #include "config.h"
- #include "uart.h"
- #include "ff.h"
- #include "fileops.h"
- WCHAR ff_convert(WCHAR w, UINT dir) {
- return w;
- }
- void file_init() {
- f_mount(0, &fatfs);
- }
- void file_open_by_filinfo(FILINFO* fno) {
- file_res = l_openfilebycluster(&fatfs, &file_handle, (UCHAR*)"", fno->clust, fno->fsize);
- }
- void file_open(uint8_t* filename, BYTE flags) {
- file_res = f_open(&file_handle, (unsigned char*)filename, flags);
- }
- 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);
- 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;
- }
- if(file_res) { dprintf("no lseek %d\n", file_res); _delay_ms(30); return 0;}
- file_res = f_read(&file_handle, buf, size, &bytes_read);
- if(file_res) { dprintf("no read %d\n", file_res); _delay_ms(30); }
- 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;
- }
|