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/dev # cat /proc/partitions <br />major minor #blocks name<br /><br /> 31 0 128 mtdblock0<br /> 31 1 128 mtdblock1<br /> 31 2 1024 mtdblock2<br /> 31 3 2816 mtdblock3<br /> 31 4 4096 mtdblock4<br /> 254 0 1006080 mmcblk0<br /> 254 1 1005958 mmcblk0p1<br />dev # ls /dev/mmc* -al<br />brw-r--r-- 1 root root 245, 0 Sep 5 2005 /dev/mmc<br />brw-r--r-- 1 root root 254, 1 Jun 19 2007 /dev/mmc1<br />brw-r--r-- 1 root root 254, 2 Jun 19 2007 /dev/mmc2<br />brw-r--r-- 1 root root 254, 3 Jun 19 2007 /dev/mmc3<br />brw-r--r-- 1 root root 254, 4 Jun 19 2007 /dev/mmc4<br />/dev # mount -t vfat /dev/mmc1 /mnt<br />mount: Mounting /dev/mmc1 on /mnt failed: No such device<br />/dev # mount -t vfat /dev/mmc /mnt <br />mount: Mounting /dev/mmc on /mnt failed: No such device<br />/dev # fdisk -l /dev/mmc <br />/dev # fdisk -l /dev/mmc1<br /><br />Disk /dev/mmc1: 1030 MB, 1030101504 bytes<br />4 heads, 16 sectors/track, 31436 cylinders<br />Units = cylinders of 64 * 512 = 32768 bytes<br /><br /> Device Boot Start End Blocks Id System<br />/dev/mmc1p1 ? 12158374 29994462 570754815+ 72 Unknown<br />Partition 1 does not end on cylinder boundary.<br />/dev/mmc1p2 ? 2635774 32886216 968014120 65 Unknown<br />Partition 2 does not end on cylinder boundary.<br />/dev/mmc1p3 ? 29216898 59467339 968014096 79 Unknown<br />Partition 3 does not end on cylinder boundary.<br />/dev/mmc1p4 ? 1 18446744073699274417 18446744073380681216 d Unknown<br />Partition 4 does not end on cylinder boundary.<br /><br />实际上，这个SD卡分为sda1分区，这个是sd卡读器读出的。(usb 部分已经调试通过)<br />谁在arm9下用过读卡器？请帮我看看。<br />sd卡应该已经驱动起来了，可能是/dev/下的设备名字不对，或者mount不对。<br /> |
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