62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
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/*---------------------------------------------------------------------*/
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/* Raw Read/Write Throughput Checker */
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/*---------------------------------------------------------------------*/
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#include <stdio.h>
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#include <systimer.h>
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#include "diskio.h"
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#include "ff.h"
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int test_raw_speed (
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BYTE pdrv, /* Physical drive number */
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DWORD lba, /* Start LBA for read/write test */
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DWORD len, /* Number of bytes to read/write (must be multiple of sz_buff) */
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void* buff, /* Read/write buffer */
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UINT sz_buff /* Size of read/write buffer (must be multiple of FF_MAX_SS) */
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)
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{
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WORD ss;
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DWORD ofs, tmr;
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#if FF_MIN_SS != FF_MAX_SS
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if (disk_ioctl(pdrv, GET_SECTOR_SIZE, &ss) != RES_OK) {
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printf("\ndisk_ioctl() failed.\n");
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return 0;
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}
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#else
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ss = FF_MAX_SS;
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#endif
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printf("Starting raw write test at sector %lu in %u bytes of data chunks...", lba, sz_buff);
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tmr = systimer();
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for (ofs = 0; ofs < len / ss; ofs += sz_buff / ss) {
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if (disk_write(pdrv, buff, lba + ofs, sz_buff / ss) != RES_OK) {
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printf("\ndisk_write() failed.\n");
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return 0;
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}
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}
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if (disk_ioctl(pdrv, CTRL_SYNC, 0) != RES_OK) {
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printf("\ndisk_ioctl() failed.\n");
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return 0;
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}
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tmr = systimer() - tmr;
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printf("\n%lu bytes written and it took %lu timer ticks.\n", len, tmr);
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printf("Starting raw read test at sector %lu in %u bytes of data chunks...", lba, sz_buff);
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tmr = systimer();
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for (ofs = 0; ofs < len / ss; ofs += sz_buff / ss) {
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if (disk_read(pdrv, buff, lba + ofs, sz_buff / ss) != RES_OK) {
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printf("\ndisk_read() failed.\n");
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return 0;
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}
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}
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tmr = systimer() - tmr;
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printf("\n%lu bytes read and it took %lu timer ticks.\n", len, tmr);
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printf("Test completed.\n");
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return 1;
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}
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