[問題] mknod: not found DMA6410開發版
各位大大好
小弟是Linux 新手
步驟都是照書做 且修改過CC的路徑 試過insmod hello.ko 電腦可以DNW正常show出文字
以下是我將範例的 led.ko 檔加到開發板上的情形
#
# cd sdcard
# ls
LOST.DIR
DCIM
launchpad.apk
apkInstaller.apk
MediaPlayer.apk
koo_6.apk
Big Planet TW 1[1].2.4.apk
BigPlanetTracks_2[1].0a.apk
u-boot_mmc.bin
test.ko
RMaps
bk_light.ko
dc_motor.ko
led.ko
BigPlanet_maps.sqlitedb
BigPlanetTracks
pwm.ko
# lsmod
led 2912 0 - Live 0xbf000000
# rmmod led
LED driver release success!
# insmod led.ko
LED driver register success!
# cat /proc/devices
Character devices:
1 mem
2 pty
3 ttyp
4 /dev/vc/0
4 tty
5 /dev/tty
5 /dev/console
5 /dev/ptmx
6 lp
7 vcs
10 misc
13 input
14 sound
21 sg
29 fb
30 led
81 video4linux
89 i2c
90 mtd
99 ppdev
108 ppp
116 alsa
128 ptm
136 pts
180 usb
188 ttyUSB
189 usb_device
204 s3c2410_serial
253 usb_endpoint
254 rtc
Block devices:
1 ramdisk
7 loop
8 sd
31 mtdblock
65 sd
66 sd
67 sd
68 sd
69 sd
70 sd
71 sd
128 sd
129 sd
130 sd
131 sd
132 sd
133 sd
134 sd
135 sd
179 mmc
# mknod /dev/led c 30 0
mknod: not found
#
之後就不知道怎麼照書中的繼續了... 苦惱中
led.ko 的內容 是讓ARM開發板的 兩顆LED交互閃爍
可是我目前還是恆亮的狀態
希望有大大能幫我解惑!!
--
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◆ From: 211.23.55.19
※ 編輯: saveload2001 來自: 211.23.55.19 (03/16 21:27)
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推 Adama:locate mknod? 03/17 08:54
→ saveload2001:我不懂local是指?? mknod是我下達指令到開發板上的 03/17 09:21
→ saveload2001:開發板的kernel是 dma6410L-linux-2.6.27 03/17 09:22
→ madoka82:想按 2 但是忍下來了...我發覺你不是個細心的人 一樓講的 03/17 11:09
→ madoka82:是 "locate mknod" 用意在找你的 mknod 放到哪邊去,基本 03/17 11:10
→ madoka82:上就是我在 linuxdev 回給你的可能原因之一 mknod 你不知 03/17 11:10
→ madoka82:到路徑丟到哪邊去了... 03/17 11:11
→ madoka82:你想玩開發版 我想對於 Linux 的操作要再熟悉一點...... 03/17 11:11
→ saveload2001:感謝ma大! 我找到是busybox的應用了 03/17 21:12
→ saveload2001:現在是加 busybox mknod /dev/led 30 0 03/17 21:13
→ saveload2001:然後就可以了 03/17 21:13
→ saveload2001:只是 ... 兩顆LED燈依然恆亮 03/17 21:14
→ saveload2001:我把書的下半部分看完 說要灌android APK對應LED軟體 03/17 21:15
→ saveload2001:現在軟體可以驅動 驅動程式 led可以用觸控亮滅了 3Q 03/17 21:16
※ 編輯: saveload2001 來自: 211.23.55.19 (03/17 21:17)