Difference between revisions of "Ms14 uart"
From Wiki for Dragino Project
(→Different modes of UART) |
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::shutdown:/etc/init.d/rcS K shutdown | ::shutdown:/etc/init.d/rcS K shutdown | ||
#ttyATH0::askfirst:/bin/ash --login // Comment this line to disable uart as console. | #ttyATH0::askfirst:/bin/ash --login // Comment this line to disable uart as console. | ||
+ | |||
+ | |||
+ | ==Use minicom== | ||
+ | root@dragino2-684db6:/# opkg update | ||
+ | Downloading http://downloads.openwrt.org/snapshots/trunk/ar71xx/packages/Packages.gz. | ||
+ | Inflating http://downloads.openwrt.org/snapshots/trunk/ar71xx/packages/Packages.gz. | ||
+ | Updated list of available packages in /var/opkg-lists/snapshots. | ||
+ | root@dragino2-684db6:/# opkg install minicom | ||
+ | Installing minicom (2.3-1) to root... | ||
+ | Downloading http://downloads.openwrt.org/snapshots/trunk/ar71xx/packages/minicom_2.3-1_ar71xx.ipk. | ||
+ | Configuring minicom. | ||
+ | root@dragino2-684db6:/# minicom -s | ||
+ | minicom: WARNING: configuration file not found, using defaults |
Revision as of 10:13, 21 September 2013
Different modes of UART
ms14 has a uart interface expose on the 2x8 router connector. this interface can be act as:
- Console port to debug the openwrt system inside ms14. refer link here.
or
- UART interface to communicate to other devices such as a avr daughter board.
to disable UART as a console port, user can comment the related line in file /etc/inittab. And reboot the device.
root@dragino2-684db6:/# vi /etc/inittab ::sysinit:/etc/init.d/rcS S boot ::shutdown:/etc/init.d/rcS K shutdown #ttyATH0::askfirst:/bin/ash --login // Comment this line to disable uart as console.
Use minicom
root@dragino2-684db6:/# opkg update Downloading http://downloads.openwrt.org/snapshots/trunk/ar71xx/packages/Packages.gz. Inflating http://downloads.openwrt.org/snapshots/trunk/ar71xx/packages/Packages.gz. Updated list of available packages in /var/opkg-lists/snapshots. root@dragino2-684db6:/# opkg install minicom Installing minicom (2.3-1) to root... Downloading http://downloads.openwrt.org/snapshots/trunk/ar71xx/packages/minicom_2.3-1_ar71xx.ipk. Configuring minicom. root@dragino2-684db6:/# minicom -s minicom: WARNING: configuration file not found, using defaults