BoneScript
You might be able to see a newer version of this on beagleboard.org/support/bonescript/writeTextFile
writeTextFile(filename, data, [callback])
Write the contents of a text (ASCII) file.
Arguments
- filename: complete path of the file to be written
- data: ASCII string to be written
- callback: called upon completion
Return value
callback(x)
- x.err: error status message
Example
var b = require('bonescript');
var file = '/sys/class/leds/beaglebone:green:usr3/trigger';
b.writeTextFile(file, 'heartbeat', readStatus);
function readStatus(x) {
console.log(JSON.stringify(x));
b.readTextFile(file, printStatus);
}
function printStatus(x) {
console.log(JSON.stringify(x));
}
Build and execute instructions
- Be careful not to overwrite important files!
- Run the above to see the USR3 LED start to blink in a heartbeat pattern.
- Adjust the LED selection and trigger.
