61 lines
1.0 KiB
C
61 lines
1.0 KiB
C
/*
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* fs.c
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*/
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#include "fs.h"
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#include "fatfs/ff.h"
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static FATFS fs;
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u32 mountSD(void){
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if(f_mount(&fs, "0:", 1) != FR_OK) return 0;
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return 1;
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}
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u32 fileRead(u8 *dest, const char *path, u32 size){
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FRESULT fr;
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FIL fp;
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unsigned int br = 0;
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fr = f_open(&fp, path, FA_READ);
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if(fr == FR_OK){
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if(!size) size = f_size(&fp);
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fr = f_read(&fp, dest, size, &br);
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}
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f_close(&fp);
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return fr ? 0 : 1;
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}
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u32 fileWrite(const u8 *buffer, const char *path, u32 size){
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FRESULT fr;
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FIL fp;
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unsigned int br = 0;
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fr = f_open(&fp, path, FA_WRITE | FA_OPEN_ALWAYS);
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if(fr == FR_OK) fr = f_write(&fp, buffer, size, &br);
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f_close(&fp);
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return fr ? 0 : 1;
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}
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u32 fileSize(const char *path){
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FIL fp;
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u32 size = 0;
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if(f_open(&fp, path, FA_READ) == FR_OK)
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size = f_size(&fp);
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f_close(&fp);
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return size;
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}
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u32 fileExists(const char *path){
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FIL fp;
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u8 exists = 0;
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if(f_open(&fp, path, FA_READ) == FR_OK) exists = 1;
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f_close(&fp);
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return exists;
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} |