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https://github.com/encounter/osdev.git
synced 2026-07-10 12:18:43 -07:00
Luke Street
48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
#include "../fatfs/ff.h"
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#include "../kmalloc.h"
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#include <common.h>
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#include <stdio.h>
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bool fatfs_test() {
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FATFS fs;
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FRESULT ret;
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FILINFO info;
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FIL file;
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char *buff = NULL;
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uint32_t read = 0;
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printf("Mounting drive 0... ");
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ret = f_mount(&fs, "", 1);
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if (ret != FR_OK) goto fail;
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printf("OK\n");
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ret = f_stat("README", &info);
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if (ret != FR_OK || !info.fsize) goto fail;
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printf("Opening README with size %llu... \n", info.fsize);
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ret = f_open(&file, "README", FA_READ);
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if (ret != FR_OK) goto fail;
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printf("OK\n");
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buff = kmalloc((size_t) info.fsize + 1);
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if (buff == NULL) goto fail;
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ret = f_read(&file, buff, (uint32_t) info.fsize, &read);
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if (ret != FR_OK || read != info.fsize) goto fail;
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printf("File read successfully.\n\n");
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// buff[read] = 0;
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// printf("%s\n", (char *) buff);
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goto end;
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fail:
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printf("fatfs fail %d\n", ret);
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end:
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kfree(buff);
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f_close(&file);
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f_unmount("");
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return ret == FR_OK;
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} |