Updated some Bridge examples

libraries/Bridge/examples/Process/Process.ino

@@ -1,25 +1,61 @@
+/*
+  Running process using Process class. 
+ 
+ This sketch demonstrate how to run linux processes
+ using an Arduino Yún. 
+ 
+ created 5 Jun 2013
+ by Cristian Maglie
+ 
+ */
+
 #include <Process.h>
 
 void setup() {
-  pinMode(13,OUTPUT);
-  digitalWrite(13,LOW);
-
-  Serial.begin(9600);
+  // Setup Bridge (needed every time we communicate with the Arduino Yún)
   Bridge.begin();
+  // Setup Console
+  Console.begin();
+  Console.buffer(64);
+  // Wait until a Network Monitor is connected.
+  while (!Console);
 
-  digitalWrite(13,HIGH);
-  delay(2000);
-  
+  // run various example processes
+  runCurl();
+  runCpuInfo();
+}
+
+void loop() {
+  // Do nothing here.
+}
+
+void runCurl() {
+  // Launch "curl" command and get Arduino asciilogo from the network
   Process p;
   p.begin("curl");
   p.addParameter("http://arduino.cc/asciilogo.txt");
   p.run();
-  
+
+  // Print arduino logo over the console
   while (p.available()>0) {
     char c = p.read();
-    Serial.print(c);
+    Console.print(c);
   }
+  Console.flush();
 }
 
-void loop() {
+void runCpuInfo() {
+  // Launch "cat /proc/cpuinfo" command (shows info on Atheros CPU)
+  Process p;
+  p.begin("cat");
+  p.addParameter("/proc/cpuinfo");
+  p.run();
+
+  // Print command output on the Console
+  while (p.available()>0) {
+    char c = p.read();
+    Console.print(c);
+  }
+  Console.flush();
 }
+

libraries/Bridge/examples/XivelyClient/XivelyClient.ino

@@ -38,7 +38,7 @@ void setup() {
   while(!Console);    // wait for Network Console to open
   Console.println("Xively client");
 
-  // Do a first update immediatly
+  // Do a first update immediately
   updateData();
   sendData();
   lastRequest = millis();
@@ -80,7 +80,7 @@ void sendData() {
   // Send the HTTP PUT request
 
   // Is better to declare the Process here, so when the
-  // sendData function finishes the resources are immediatly
+  // sendData function finishes the resources are immediately
   // released. Declaring it global works too, BTW.
   Process xively;
   Console.print("\n\nSending data... ");

libraries/Bridge/examples/YunSerialTerminal/YunSerialTerminal.ino

@@ -1,9 +1,8 @@
-
 /*
   Arduino Yun USB-to-Serial
  
  Allows you to use the Yun's 32U4 processor as a
- serial terminal for the linino processor
+ serial terminal for the linino processor.
  
  Upload this to an Arduino Yun via serial (not WiFi) 
  then open the serial monitor at 115200 to see the boot process
@@ -11,28 +10,31 @@
  as a basic command line interface for the linino processor using 
  this sketch.
  
+ From the serial monitor the following commands can be issued:
+ 
+ '~' followed by '0' -> Set the UART speed to 57600 baud
+ '~' followed by '1' -> Set the UART speed to 115200 baud
+ 
  The circuit:
  * Arduino Yun
  
  created March 2013
  by Massimo Banzi
+ modified by Cristian Maglie
  
  This example code is in the public domain.
  */
 
-long baud = 115200;
+long lininoBaud = 57600;
 
 // Pin 13 has an LED connected on most Arduino boards.
-// give it a name:
 int led = 13;
 int ledState = HIGH;   // whether the LED is high or low      
 
 
 void setup() {
-  Serial.begin(baud);        // open serial connection to Linino
-  Serial1.begin(baud);       // open serial connection via USB-Serial
-  Serial.println("Prova");   // Hello USB
-  Serial1.println("Prova1"); // Hello Linino
+  Serial.begin(115200);      // open serial connection via USB-Serial
+  Serial1.begin(lininoBaud); // open serial connection to Linino
 
   // initialize the digital pin as an output.
   pinMode(led, OUTPUT);    
@@ -40,12 +42,31 @@ void setup() {
 }
 
 
-void loop() {
+boolean commandMode = false;
 
+void loop() {
   // copy from virtual serial line to uart and vice versa
   if (Serial.available()) {           // got anything from USB-Serial?
     char c = (char)Serial.read();     // read from USB-serial
-    Serial1.write(c);                 // write to Linino
+    if (commandMode == false) {       // if we aren't in command mode...
+      if (c == '~') {                 //    Tilde '~' key pressed?
+        commandMode = true;           //       enter in command mode
+      } else {
+        Serial1.write(c);             //    otherwise write char to Linino
+      }
+    } else {                          // if we are in command mode...
+      if (c == '0') {                 //     '0' key pressed?
+        Serial1.begin(57600);         //        set speed to 57600
+        Serial.println("Speed set to 57600");
+      } else if (c == '1') {          //     '1' key pressed?
+        Serial1.begin(115200);        //        set speed to 115200
+        Serial.println("Speed set to 115200");
+      } else {                        //     any other key pressed?
+        Serial1.write('~');           //        write '~' to Linino
+        Serial1.write(c);             //        write char to Linino
+      }
+      commandMode = false;            //     in all cases exit from command mode
+    }
     ledState=!ledState;               // invert LED state
     digitalWrite(led, ledState);      // toggle the LED
   }