Revision 0:af4f83b43162, committed 2014-12-10

Comitter:

jstroud

Date:

Wed Dec 10 18:59:21 2014 +0000

Commit message:

force sensor code for processing

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Dec 10 18:59:21 2014 +0000
@@ -0,0 +1,160 @@
+#include "mbed.h"
+ 
+//serial connection to PC via USB
+Serial pc(USBTX, USBRX);
+AnalogIn strut1Force(P0_1);
+AnalogIn strut2Force(P0_2);
+AnalogIn strut3Force(P0_3);
+AnalogIn strut4Force(P0_4);
+AnalogIn seatForce(P0_5);
+AnalogIn cupBottomForce(P0_6);
+
+DigitalOut light(LED1);
+ 
+int main(void)
+{ 
+pc.printf("init\n");
+    while (true) {
+        //pc.printf("test");
+        //light = 1;
+        float vals[6] = { strut1Force.read(), strut2Force.read(), strut3Force.read(), strut4Force.read(), seatForce.read(), cupBottomForce.read() };
+        pc.printf("%1.2f,%1.2f,%1.2f,%1.2f,%1.2f,%1.2f\n", vals[0], vals[1], vals[2], vals[3], vals[4], vals[5]);
+        wait(0.001f); // wait 50ms (200Hz update rate)
+        //light = 0;
+    }
+    
+}
+/* // Sensor graphing sketch with threshold
+// This program takes ASCII-encoded strings
+// from the serial port at 9600 baud and graphs them. It expects float values in the
+// range of -1.0 to 1.0, followed by a newline, or newline and carriage return
+
+// based on Tom Igoe's Arduino sensor graphing sketch, created 20 Apr 2005
+// Adapted 16 Sep 2014 by Bjoern Hartmann for mbed
+// This example code is in the public domain.
+
+import processing.serial.*;
+import java.util.Scanner;
+
+Serial myPort;        // The serial port
+int xPos = 1;         // horizontal position of the graph
+float threshold=0.3;
+float minThreshold = 0.1;
+float max = 0;
+boolean rise = true;
+PImage bearImg;
+
+void setup () {
+  // set the window size:
+  //size(400, 300);          
+  //fullscreen
+  size(displayWidth, displayHeight);
+  // List all the available serial ports to help you find the one you need
+  println(Serial.list());
+  // Open whatever port is the one you're using.
+  myPort = new Serial(this, "/dev/tty.usbmodem1422", 9600);
+  // don't generate a serialEvent() unless you get a newline character:
+  myPort.bufferUntil('\n');
+  // set inital background:
+  redrawBG();
+  
+  bearImg = loadImage("cal_bear.png");
+}
+
+void draw () {
+
+  // everything happens in the serialEvent()
+}
+
+void keyPressed() {
+if (key == CODED) {
+    if (keyCode == UP) {
+      threshold+=0.05;
+    } else if (keyCode == DOWN) {
+      threshold-=0.05;
+    } 
+    redrawBG();  
+  }
+}
+
+// threshold 0.2 - 0.9
+
+void serialEvent (Serial myPort) {
+  // get the ASCII string:
+  
+  String inString = myPort.readStringUntil('\n');
+
+  if (inString != null) {
+    Scanner scanner = new Scanner(inString);
+    
+    // trim off any whitespace:
+    inString = trim(inString);
+    // convert to an int and map to the screen height:
+    float inFloat =0.f;
+    try{
+     inFloat = scanner.nextFloat();//float(inString);
+    } catch (Exception e) {
+      print(e);
+    }
+    
+    
+  if(rise) {  // we were last below
+    if(inFloat>threshold) { // we're above where we want to be
+      // rising edge, becoming true
+      rise = false;
+      drawHit(inFloat);
+
+    } // else // do nothing
+        
+  } else { // below == false, above threshold
+    if(inFloat < threshold) { //we drop below threshold
+      rise = true;
+      delay(500);
+      redrawBG();
+      max = 0;
+    } else  // below == false, still above threshold
+      drawHit(inFloat);
+    }
+    
+
+    // at the edge of the screen, go back to the beginning:
+  }
+}
+
+void drawHit(float inFloat) {
+        if(max < inFloat) {
+        max = inFloat;
+        float screenY = map(inFloat, 1.0, 0, 0, height);
+        
+        redrawBG();
+        // draw the line from bottom of screen to desired height
+        // choose color based on side of threshold we're on
+        float texty = map(threshold,0,1,height,0);
+        int percent = round(inFloat*100);
+        String hitText = "";
+        if(inFloat<threshold) {
+          fill(61,126,155);
+          hitText = "LAME"; 
+        } else {
+          hitText = percent + "%";
+          fill(231,76,70);
+        }
+        //println(inFloat);
+        textSize(72);
+        text(hitText,20,texty-40);
+        rect(width/2-20 , height, 40, -1*(height - screenY));
+      }
+}
+
+void redrawBG() {
+      background(236,240,241);
+      stroke(52,73,94);
+      float ty = height-map(threshold,0,1,0,height);
+      line(0,ty,width,ty);
+      fill(255,0,0);
+      stroke(0,0,0);
+      textSize(100);
+      text("Test your strength!",width/5.7,100);
+}
+*/
+ 
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Dec 10 18:59:21 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/031413cf7a89
\ No newline at end of file