From 3c70cff3ee0a9e506e1f16124653b13b774902cc Mon Sep 17 00:00:00 2001 From: Tom Igoe Date: Sat, 22 Jun 2013 02:05:03 -0400 Subject: [PATCH] Removed old WifiCheck and WifiSignalStrengthIndicator examples --- .../examples/OLDWiFiCheck/OLDWiFiCheck.ino | 53 --------- .../OLDWifiSignalStrengthIndicator.ino | 112 ------------------ 2 files changed, 165 deletions(-) delete mode 100644 libraries/Bridge/examples/OLDWiFiCheck/OLDWiFiCheck.ino delete mode 100644 libraries/Bridge/examples/OLDWifiSignalStrengthIndicator/OLDWifiSignalStrengthIndicator.ino diff --git a/libraries/Bridge/examples/OLDWiFiCheck/OLDWiFiCheck.ino b/libraries/Bridge/examples/OLDWiFiCheck/OLDWiFiCheck.ino deleted file mode 100644 index 1cb9f03..0000000 --- a/libraries/Bridge/examples/OLDWiFiCheck/OLDWiFiCheck.ino +++ /dev/null @@ -1,53 +0,0 @@ -/* - Arduino Yun Wireless Config Check - - Checks the wireless state of Arduino Yun by calling - the linux command iwconfig. - - Upload this to an Arduino Yun via serial (not WiFi) - then open the serial monitor to see the status of - your Yun's WiFi connection. If it's connected to - a wireless network, the ESSID (name) of that network - and the signal strength will appear. - - The circuit: - * Arduino Yun - - created 22 May 2013 - by Tom Igoe - - This example code is in the public domain. - */ - -#include - -void setup() { - Serial.begin(9600); // initialize serial communication - while(!Serial); // do nothing until the serial monitor is opened - - pinMode(13,OUTPUT); - digitalWrite(13, LOW); - Bridge.begin(); // make contact with the linux processor - digitalWrite(13, HIGH); - - delay(2000); // wait 2 seconds - - Process wifiCheck; // initialize a new process - - - wifiCheck.begin("iwconfig"); // command you want to run - wifiCheck.addParameter("wlan0"); // parameter of the command - wifiCheck.run(); // run the command - - // while there's any characters coming back from the - // process, print them to the serial monitor: - while (wifiCheck.available() > 0) { - char thisChar = wifiCheck.read(); - Serial.print(thisChar); - } -} - -void loop() { - // nothing to do here. -} - diff --git a/libraries/Bridge/examples/OLDWifiSignalStrengthIndicator/OLDWifiSignalStrengthIndicator.ino b/libraries/Bridge/examples/OLDWifiSignalStrengthIndicator/OLDWifiSignalStrengthIndicator.ino deleted file mode 100644 index e0b2d1f..0000000 --- a/libraries/Bridge/examples/OLDWifiSignalStrengthIndicator/OLDWifiSignalStrengthIndicator.ino +++ /dev/null @@ -1,112 +0,0 @@ -/* - Wifi Signal Strength Indicator - - This example demonstrates the use of the bridge and process libraries - to communicate between the Arduino side and the linux side of the Arduino Yun. - - The Linux script returns the strength of the wifi signal. - - The Arduino sketch uses LEDs to indicate whether the current value of - the signal strength is above, below, or the same as the last value - - The circuit: - * LEDs on pins 8, 9, and 10 - * Built-in LED on pin 13 - - The script: - The following one line script must exist in the /root directory of the - linux file system, in a file named "wifiStrength.sh", and it must be executable: - - tail -1 /proc/net/wireless | cut -c22-23 - - created 06 June 2013 - by Michael Shiloh - modified 08 June 2013 - by Tom Igoe - - This example code is in the public domain - - */ - - -#include - -// global variable to store the last value of the signal strength -int lastValue; - -void setup() { - // set up LED pins as outputs: - pinMode(8, OUTPUT); - pinMode(9, OUTPUT); - pinMode(10, OUTPUT); - pinMode(13,OUTPUT); - - // Indicate that you're ready by flashing pin 13 LED twice - for (int flash = 0; flash < 3; flash++) { - digitalWrite(13,HIGH); - delay(200); - digitalWrite(13,LOW); - delay(800); - } - // initialize Serial and Bridge: - Serial.begin(9600); - Bridge.begin(); - - // Indicate that setup is finished - digitalWrite(13,HIGH); -} - -void loop() { - int value = 0; // the signal strength as an integer - String result; // the result of the process as a String - Process wifiCheck; // the process itself - - - // Run the script on the linux side. Note that any word - //or text separated by a tab or space is considered - //an additional parameter: - wifiCheck.begin("ash"); - wifiCheck.addParameter("/root/wifiStrength.sh"); - wifiCheck.run(); - - // If the process has sent any characters: - while (wifiCheck.available()>0) { - result = wifiCheck.readString(); // read the result into a string - value = result.toInt(); // parse the string as an int - } - - // for debugging - Serial.print("previous strength:"); - Serial.print(lastValue); - Serial.print("\tcurrent strength:"); - Serial.println(value); - - // indicate the relative string by lighting the appropriate LED - allOff(); // turn off all the LEDS - - if (value > lastValue) { // if the signal's getting stronger - digitalWrite(10, HIGH); - } - else if (value < lastValue){ // if the signal's getting weaker - digitalWrite(8, HIGH); - } - else { // if the signal's stayed steady - digitalWrite(9, HIGH); - } - - lastValue = value; // record this value for next time - delay(10); // small delay before next time through the loop -} - - -void allOff() { - digitalWrite(8, LOW); - digitalWrite(9, LOW); - digitalWrite(10, LOW); -} - - - - - -