diff options
Diffstat (limited to 'libraries/Bridge/examples')
3 files changed, 88 insertions, 19 deletions
diff --git a/libraries/Bridge/examples/ConsolePixel/ConsolePixel.ino b/libraries/Bridge/examples/ConsolePixel/ConsolePixel.ino new file mode 100644 index 0000000..4201465 --- /dev/null +++ b/libraries/Bridge/examples/ConsolePixel/ConsolePixel.ino @@ -0,0 +1,58 @@ +/* + Console Pixel + + An example of using the Arduino board to receive data from the + Console on the Arduino Yun. In this case, the Arduino boards turns on an LED when + it receives the character 'H', and turns off the LED when it + receives the character 'L'. + + To see the Console, pick your Yun's name and IP address in the Port menu + then open the Port Monitor. You can also see it by opening a terminal window + and typing + ssh root@ yourYunsName.local 'telnet localhost 6571' + then pressing enter. When prompted for the password, enter it. + + + The circuit: + * LED connected from digital pin 13 to ground + + created 2006 + by David A. Mellis + modified 25 Jun 2013 + by Tom Igoe + + This example code is in the public domain. + + */ +#include <Console.h> + +const int ledPin = 13; // the pin that the LED is attached to +char incomingByte; // a variable to read incoming Console data into + +void setup() { + // initialize Console communication: + Bridge.begin(); + Console.begin(); + while(!Console); // wait for the Console to open from the remote side + Console.println("type H or L to turn pin 13 on or off"); + // initialize the LED pin as an output: + pinMode(ledPin, OUTPUT); +} + +void loop() { + // see if there's incoming Console data: + if (Console.available() > 0) { + // read the oldest byte in the Console buffer: + incomingByte = Console.read(); + Console.println(incomingByte); + // if it's a capital H (ASCII 72), turn on the LED: + if (incomingByte == 'H') { + digitalWrite(ledPin, HIGH); + } + // if it's an L (ASCII 76) turn off the LED: + if (incomingByte == 'L') { + digitalWrite(ledPin, LOW); + } + } +} + diff --git a/libraries/Bridge/examples/ShellCommands/ShellCommands.ino b/libraries/Bridge/examples/ShellCommands/ShellCommands.ino index 47579f8..d2f9b7a 100644 --- a/libraries/Bridge/examples/ShellCommands/ShellCommands.ino +++ b/libraries/Bridge/examples/ShellCommands/ShellCommands.ino @@ -3,18 +3,21 @@ Running shell coommands using Process class. This sketch demonstrate how to run linux shell commands - using an Arduino Yún. - + using an Arduino Yún. It runs the wifiCheck script on the linino side + of the Yun, then uses grep to get just the signal strength line. + Then it uses parseInt() to read the wifi signal strength as an integer, + and finally uses that number to fade an LED using analogWrite(). + The circuit: - * Arduino Yun + * Arduino Yun with LED connected to pin 9 created 12 Jun 2013 by Cristian Maglie - modified 21 June 2013 + modified 25 June 2013 by Tom Igoe This example code is in the public domain. - + */ #include <Process.h> @@ -27,15 +30,23 @@ void setup() { void loop() { Process p; - // This command line prints the name of the wireless network - // that the board is connected to, or the network which the board has created: - p.runShellCommand(F("lua /usr/lib/lua/pretty_wifi_info.lua | grep SSID")); + // This command line runs the wifiCheck script, (lua /arduino/pretty...), then + // sends the result to the grep command to look for a line containing the word + // "Signal:" the result is passed to this sketch: + p.runShellCommand("lua /arduino/pretty_wifi_info.lua | grep Signal"); - // Read command output + // do nothing until the process finishes, so you get the whole output: + while(p.running()); + + // Read command output. runShellCommand() should have passed "Signal: xx&": while (p.available()) { - char c = p.read(); - Serial.print(c); + int result = p.parseInt(); // look for an integer + int signal = map(result, 0, 100, 0, 255); // map result from 0-100 range to 0-255 + analogWrite(9, signal); // set the brightness of LED on pin 9 + Serial.println(result); // print the number as well } - while (true); // do nothing more + delay(5000); // wait 5 seconds before you do it again } + + diff --git a/libraries/Bridge/examples/XivelyClient/XivelyClient.ino b/libraries/Bridge/examples/XivelyClient/XivelyClient.ino index 48b1403..69f979c 100644 --- a/libraries/Bridge/examples/XivelyClient/XivelyClient.ino +++ b/libraries/Bridge/examples/XivelyClient/XivelyClient.ino @@ -33,10 +33,10 @@ String dataString = ""; void setup() { // start serial port: Bridge.begin(); - Console.begin(); + Serial.begin(9600); - while(!Console); // wait for Network Console to open - Console.println("Xively client"); + while(!Serial); // wait for Network Serial to open + Serial.println("Xively client"); // Do a first update immediately updateData(); @@ -83,7 +83,7 @@ void sendData() { // sendData function finishes the resources are immediately // released. Declaring it global works too, BTW. Process xively; - Console.print("\n\nSending data... "); + Serial.print("\n\nSending data... "); xively.begin("curl"); xively.addParameter("-k"); xively.addParameter("--request"); @@ -94,13 +94,13 @@ void sendData() { xively.addParameter(apiString); xively.addParameter(url); xively.run(); - Console.println("done!"); + Serial.println("done!"); // If there's incoming data from the net connection, - // send it out the Console: + // send it out the Serial: while (xively.available()>0) { char c = xively.read(); - Console.write(c); + Serial.write(c); } } |