Revision 0:c939a1a4e267, committed 2014-09-26

Comitter:

jdefond

Date:

Fri Sep 26 20:46:27 2014 +0000

Commit message:

For group

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Sep 26 20:46:27 2014 +0000
@@ -0,0 +1,87 @@
+#include "mbed.h"
+ 
+//serial connection to PC via USB
+Serial pc(USBTX, USBRX);
+AnalogIn press(A1);
+DigitalOut light(LED1);
+ 
+int main(void)
+{
+    
+    float x;
+    
+    while (true) {
+        light=1;
+        x = press.read(); //get pressure
+        pc.printf("%1.2f\r", x); //print ascii-encoded float to serial port        
+        if(press.read()){
+            light=0;
+        }
+        //wait(0.05f); // wait 50ms (20Hz update rate)
+    }
+}
+ 
+// Graphing sketch for Processing
+ 
+/* 
+// This program takes ASCII-encoded strings containing floating point numbers
+// from the serial port at 9600 baud and graphs them. It expects values in the
+// range -1.0 to 1.0, followed by a newline, or newline and carriage return
+ 
+// Created 20 Apr 2005
+// Updated 18 Jan 2008 by Tom Igoe
+// Adapted 16 Sep 2014 by Bjoern Hartmann for mbed
+// This example code is in the public domain.
+ 
+import processing.serial.*;
+ 
+Serial myPort;        // The serial port
+int xPos = 1;         // horizontal position of the graph
+ 
+float minVal=-1.0;
+float maxVal=1.0;
+ 
+void setup () {
+  // set the window size:
+  size(400, 300);        
+ 
+  // List all the available serial ports
+  println(Serial.list());
+  // Open whatever port is the one you're using.
+  myPort = new Serial(this, "/dev/tty.usbmodem1412", 9600);
+  // don't generate a serialEvent() unless you get a newline character:
+  myPort.bufferUntil('\n');
+  // set inital background:
+  background(0);
+}
+void draw () {
+  // everything happens in the serialEvent()
+}
+ 
+void serialEvent (Serial myPort) {
+  // get the ASCII string:
+  String inString = myPort.readStringUntil('\n');
+ 
+  if (inString != null) {
+    // trim off any whitespace:
+    inString = trim(inString);
+    // convert to an int and map to the screen height:
+    float inFloat = float(inString); 
+    float screenY = map(inFloat, minVal, maxVal, 0, height);
+ 
+    // draw the line from bottom of screen to desired height
+    stroke(127, 34, 255);
+    line(xPos, height, xPos, height - screenY);
+ 
+    // at the edge of the screen, go back to the beginning:
+    if (xPos >= width) {
+      xPos = 0;
+      background(0);
+    } else {
+      // increment the horizontal position:
+      xPos++;
+    }
+  }
+}
+*/
+ 
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri Sep 26 20:46:27 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/552587b429a1
\ No newline at end of file