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removed timing routines from sd_card.c (since they were disappointing anyway)

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modified S-record reader diagnostic output
This commit is contained in:
Markus Fröschle
2012-12-18 20:55:18 +00:00
parent 9a80c36081
commit 371adb5581
3 changed files with 33 additions and 55 deletions
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32
sources/sd_card.c
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@@ -83,38 +83,6 @@ void sd_card_init(void)
}
}
f_close(&file);
/*
* let's see if we find our boot flashing executable on disk
*/
fres = f_open(&file, FLASHCODE_NAME, FA_READ);
if (fres == FR_OK)
{
/*
* yes, load and execute it
*
* FIXME: we will need some kind of user confirmation here
* to avoid unwanted flashing or "bootsector viruses" before going productive
*/
uint32_t size; /* length of code piece read */
uint32_t total_size = 0L;
uint32_t start_time = MCF_SLT_SCNT(0);
uint32_t end_time;
uint32_t time = 0;
while ((fres = f_read(&file, (void *) FLASHCODE_ADDRESS, 1024, &size)) == FR_OK)
{
total_size += size / 1024;
//xprintf("read hunk of %d bytes, total_size = %d kBytes\r\n", size, total_size);
}
end_time = MCF_SLT_SCNT(0);
time = (end_time - start_time) / 132L;
xprintf("result of f_read: %ld, %ld kbytes read\r\n", fres, total_size);
xprintf("time to load %s: %ld s\r\n", FLASHCODE_NAME, time / 1000 / 100);
xprintf("equals to about %ld kBytes/second\r\n", total_size / (time / 1000 / 100));
}
f_close(&file);
}
f_mount(0, 0L); /* release work area */
}