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Diffstat (limited to 'libraries/Bridge/examples/Process')
-rw-r--r-- | libraries/Bridge/examples/Process/Process.ino | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/libraries/Bridge/examples/Process/Process.ino b/libraries/Bridge/examples/Process/Process.ino new file mode 100644 index 0000000..7646d15 --- /dev/null +++ b/libraries/Bridge/examples/Process/Process.ino @@ -0,0 +1,70 @@ +/* + Running process using Process class. + + This sketch demonstrate how to run linux processes + using an Arduino Yún. + + created 5 Jun 2013 + by Cristian Maglie + + This example code is in the public domain. + + */ + +#include <Process.h> + +void setup() { + // Initialize Bridge + Bridge.begin(); + + // Initialize Serial + Serial.begin(9600); + + // Wait until a Serial Monitor is connected. + while (!Serial); + + // run various example processes + runCurl(); + runCpuInfo(); +} + +void loop() { + // Do nothing here. +} + +void runCurl() { + // Launch "curl" command and get Arduino ascii art logo from the network + // curl is command line program for transferring data using different internet protocols + Process p; // Create a process and call it "p" + p.begin("curl"); // Process that launch the "curl" command + p.addParameter("http://arduino.cc/asciilogo.txt"); // Add the URL parameter to "curl" + p.run(); // Run the process and wait for its termination + + // Print arduino logo over the Serial + // A process output can be read with the stream methods + while (p.available()>0) { + char c = p.read(); + Serial.print(c); + } + // Ensure the last bit of data is sent. + Serial.flush(); +} + +void runCpuInfo() { + // Launch "cat /proc/cpuinfo" command (shows info on Atheros CPU) + // cat is a command line utility that shows the content of a file + Process p; // Create a process and call it "p" + p.begin("cat"); // Process that launch the "cat" command + p.addParameter("/proc/cpuinfo"); // Add the cpuifo file path as parameter to cut + p.run(); // Run the process and wait for its termination + + // Print command output on the Serial. + // A process output can be read with the stream methods + while (p.available()>0) { + char c = p.read(); + Serial.print(c); + } + // Ensure the last bit of data is sent. + Serial.flush(); +} + |