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Arduino/libraries/Bridge/examples/WiFiStatus/WiFiStatus.ino

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/*
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WiFi Status
This sketch runs a script called "pretty-wifi-info.lua"
installed on your Yún in folder /usr/bin.
It prints information about the status of your wifi connection.
It uses Serial to print, so you need to connect your Yún to your
computer using a USB cable and select the appropriate port from
the Port menu
created 18 June 2013
By Federico Fissore
This example code is in the public domain.
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http://arduino.cc/en/Tutorial/YunWiFiStatus
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*/
#include <Process.h>
void setup() {
Serial.begin(9600); // initialize serial communication
while(!Serial); // do nothing until the serial monitor is opened
Serial.println("Starting bridge...\n");
pinMode(13,OUTPUT);
digitalWrite(13, LOW);
Bridge.begin(); // make contact with the linux processor
digitalWrite(13, HIGH); // Led on pin 13 turns on when the bridge is ready
delay(2000); // wait 2 seconds
}
void loop() {
Process wifiCheck; // initialize a new process
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wifiCheck.runShellCommand("/usr/bin/pretty-wifi-info.lua"); // command you want to run
// while there's any characters coming back from the
// process, print them to the serial monitor:
while (wifiCheck.available() > 0) {
char c = wifiCheck.read();
Serial.print(c);
}
Serial.println();
delay(5000);
}