beaglebone black processor

My Beaglebone black before installing the Ubuntu 14.04 System, the use of the process found in the Ubuntu system under the serial device TTYS1~TTYS5 can not be used, open the serial port will show input/output error, I guess there may be no driver or any other reason, younger brother compared vegetables, so did not find the reason, also did not solve.My solution is to brush back to the factory is the operat

This time with SPI. BBB is available in two sets of SPI interfaces, both of which are default disable and need to be enabled in overlay mode, i.e.: echo bb-spidev0 >/sys/devices/bone_capemgr.9/slots My BBB current configuration is currently configured/opt/source/userspace-arduino/overlay/bb-spi0-01-00a0.dts/dts-v1/;/plugin/; / {compatible = "Ti,beaglebone", "Ti,beaglebone-

Use the miniUSB line to link the board and the computer, and then under "My Computer" there will be a beaglebone getting started disk, under this directory found a folder named "Drivers", Under this folder to find the corresponding operating system of the program, installation. If there is a prompt to trust the manufacturer's driver of a kind of prompt box, all choose Trust (do not trust the words can not play ....) ) until the prompt driver installat

who have to do rookie, rookie not scary, afraid of is no one to guide the direction of progress! This series of articles will describe the basic use of each function module of BBB. There are too few BBB data in Chinese now, they are collected from all corners of the internet in the world, learned, personally tested experience summary. To share with you, I hope everyone (especially beginners) in the BBB to get started on the road to some smooth!I will be here to update the list of articles at any

Flash (string delayms);virtual void outputstate ();Virtual ~led ();};led::led (int number) {This->number = number;Ostringstream s;s Path = string (S.str ());}void led::writeled (string filename, string value) {Ofstream FS;Fs.open ((path+filename). C_STR ());FS Fs.close ();}void Led::removetrigger () {Writeled ("/trigger", "none");}void Led::turnon () {cout Removetrigger ();Writeled ("/brightness", "1");}void Led::turnoff () {cout Writeled ("/brightness", "0");}void Led::flash (String delayms =