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echo BB-UART1 > /sys/devices/bone_capemgr.9/slots -bash: /sys/devices/bone_capemgr.9/slots: 没有那个文件或目录
是什么原因啊 !!!!!!!!!!!
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4个回答
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路径应该是/sys/devices/platform。。。/bone_cape。。。/slots
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路径应该是/sys/devices/platform。。。/bone_cape。。。/slots
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Debian GNU/Linux 7 beaglebone ttyO0
default username:password is [debian:temppwd] Support/FAQ: http://elinux.org/Beagleboard:BeagleBoneBlack_Debian beaglebone login: debian Password: [ 32.137734] libphy: PHY 4a101000.mdio:01 not found [ 32.142840] net eth0: phy 4a101000.mdio:01 not found on slave 1 Linux beaglebone 3.8.13-bone50 #1 SMP Tue May 13 13:24:52 UTC 2014 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. debian@beaglebone:~$ su root@beaglebone:/home/debian# cd /lib/firmware root@beaglebone:/lib/firmware# ls -l | grep UART -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART1-00A0.dtbo -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART2-00A0.dtbo -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART4-00A0.dtbo -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART5-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART1-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART2-00A0.dtbo -rw-r--r-- 1 root root 936 May 15 2014 BB-UART2-RTSCTS-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART4-00A0.dtbo -rw-r--r-- 1 root root 936 May 15 2014 BB-UART4-RTSCTS-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART5-00A0.dtbo root@beaglebone:/lib/firmware# dtc -I dtb -O dts ADAFRUIT-UART4-00A0.dtbo > ADAF RUIT-UART4-00A0.dts root@beaglebone:/lib/firmware# ls -l | grep UART -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART1-00A0.dtbo -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART2-00A0.dtbo -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART4-00A0.dtbo -rw-r--r-- 1 root root 756 May 15 02:22 ADAFRUIT-UART4-00A0.dts -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART5-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART1-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART2-00A0.dtbo -rw-r--r-- 1 root root 936 May 15 2014 BB-UART2-RTSCTS-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART4-00A0.dtbo -rw-r--r-- 1 root root 936 May 15 2014 BB-UART4-RTSCTS-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART5-00A0.dtbo root@beaglebone:/lib/firmware# cd /sys/devices/ root@beaglebone:/sys/devices# ls 44e10800.pinmux breakpoint ocp.3 soc.1 tracepoint ARMv7 Cortex-A8 fixedregulator.10 platform software virtual bone_capemgr.9 iio_sysfs_trigger pmu.0 system root@beaglebone:/sys/devices# cd platform root@beaglebone:/sys/devices/platform# ls alarmtimer nop_u***_xceiv omap-mailbox reg-dummy uevent arm-pmu omapfb omap-pcm-audio serial8250 edma-dma-engine.0 omap_hwspinlock.0 power snd-soc-dummy root@beaglebone:/sys/devices/platform# find / -name "slots" /sys/module/snd/parameters/slots /proc/device-tree/bone_capemgr/slots root@beaglebone:/sys/devices/platform# -uname bash: -uname: command not found root@beaglebone:/sys/devices/platform# uname -a Linux beaglebone 3.8.13-bone50 #1 SMP Tue May 13 13:24:52 UTC 2014 armv7l GNU/Linux root@beaglebone:/sys/devices/platform# |
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Debian GNU/Linux 7 beaglebone ttyO0
default username:password is [debian:temppwd] Support/FAQ: http://elinux.org/Beagleboard:BeagleBoneBlack_Debian beaglebone login: debian Password: [ 32.137734] libphy: PHY 4a101000.mdio:01 not found [ 32.142840] net eth0: phy 4a101000.mdio:01 not found on slave 1 Linux beaglebone 3.8.13-bone50 #1 SMP Tue May 13 13:24:52 UTC 2014 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. debian@beaglebone:~$ su root@beaglebone:/home/debian# cd /lib/firmware root@beaglebone:/lib/firmware# ls -l | grep UART -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART1-00A0.dtbo -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART2-00A0.dtbo -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART4-00A0.dtbo -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART5-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART1-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART2-00A0.dtbo -rw-r--r-- 1 root root 936 May 15 2014 BB-UART2-RTSCTS-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART4-00A0.dtbo -rw-r--r-- 1 root root 936 May 15 2014 BB-UART4-RTSCTS-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART5-00A0.dtbo root@beaglebone:/lib/firmware# dtc -I dtb -O dts ADAFRUIT-UART4-00A0.dtbo > ADAF RUIT-UART4-00A0.dts root@beaglebone:/lib/firmware# ls -l | grep UART -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART1-00A0.dtbo -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART2-00A0.dtbo -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART4-00A0.dtbo -rw-r--r-- 1 root root 756 May 15 02:22 ADAFRUIT-UART4-00A0.dts -rw-r--r-- 1 root root 865 May 15 2014 ADAFRUIT-UART5-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART1-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART2-00A0.dtbo -rw-r--r-- 1 root root 936 May 15 2014 BB-UART2-RTSCTS-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART4-00A0.dtbo -rw-r--r-- 1 root root 936 May 15 2014 BB-UART4-RTSCTS-00A0.dtbo -rw-r--r-- 1 root root 861 May 15 2014 BB-UART5-00A0.dtbo root@beaglebone:/lib/firmware# cd /sys/devices/ root@beaglebone:/sys/devices# ls 44e10800.pinmux breakpoint ocp.3 soc.1 tracepoint ARMv7 Cortex-A8 fixedregulator.10 platform software virtual bone_capemgr.9 iio_sysfs_trigger pmu.0 system root@beaglebone:/sys/devices# cd platform root@beaglebone:/sys/devices/platform# ls alarmtimer nop_u***_xceiv omap-mailbox reg-dummy uevent arm-pmu omapfb omap-pcm-audio serial8250 edma-dma-engine.0 omap_hwspinlock.0 power snd-soc-dummy root@beaglebone:/sys/devices/platform# find / -name "slots" /sys/module/snd/parameters/slots /proc/device-tree/bone_capemgr/slots root@beaglebone:/sys/devices/platform# -uname bash: -uname: command not found root@beaglebone:/sys/devices/platform# uname -a Linux beaglebone 3.8.13-bone50 #1 SMP Tue May 13 13:24:52 UTC 2014 armv7l GNU/Linux root@beaglebone:/sys/devices/platform# |
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