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72 lines
1.9 KiB
72 lines
1.9 KiB
5 years ago
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/*
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Running process using Process class.
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This sketch demonstrate how to run linux processes
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using a YunShield/Yún
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created 5 Jun 2013
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by Cristian Maglie
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This example code is in the public domain.
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http://www.arduino.cc/en/Tutorial/Process
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*/
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#include <Process.h>
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void setup() {
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// Initialize Bridge
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Bridge.begin();
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// Initialize Serial
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SerialUSB.begin(9600);
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// Wait until a Serial Monitor is connected.
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while (!SerialUSB);
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// run various example processes
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runCurl();
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runCpuInfo();
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}
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void loop() {
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// Do nothing here.
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}
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void runCurl() {
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// Launch "curl" command and get Arduino ascii art logo from the network
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// curl is command line program for transferring data using different internet protocols
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Process p; // Create a process and call it "p"
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p.begin("curl"); // Process that launch the "curl" command
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p.addParameter("http://www.arduino.cc/asciilogo.txt"); // Add the URL parameter to "curl"
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p.run(); // Run the process and wait for its termination
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// Print arduino logo over the Serial
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// A process output can be read with the stream methods
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while (p.available() > 0) {
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char c = p.read();
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SerialUSB.print(c);
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}
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// Ensure the last bit of data is sent.
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SerialUSB.flush();
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}
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void runCpuInfo() {
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// Launch "cat /proc/cpuinfo" command (shows info on Atheros CPU)
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// cat is a command line utility that shows the content of a file
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Process p; // Create a process and call it "p"
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p.begin("cat"); // Process that launch the "cat" command
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p.addParameter("/proc/cpuinfo"); // Add the cpuifo file path as parameter to cut
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p.run(); // Run the process and wait for its termination
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// Print command output on the SerialUSB.
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// A process output can be read with the stream methods
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while (p.available() > 0) {
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char c = p.read();
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SerialUSB.print(c);
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}
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// Ensure the last bit of data is sent.
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SerialUSB.flush();
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}
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