new command: dissassemle - Disassemble Z180 code from memory

[z180-stamp.git] / fatfs / documents / res / app6.c

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