Getting Synched

First time after a lot of tries. -Bill
2012-12-07 08:15:45 -08:00
parent 0a0e857cea
commit 4c9e2ee748
23 changed files with 1849 additions and 439 deletions
@@ -0,0 +1,41 @@
+// Velosity sends only one byte values
+
+int x, v, t;  //position velocity time
+
+#define n 10
+int xtab[n]; //table of x
+int i; // index for table
+
+void setup()
+{
+  // start serial port at 9600 bps:
+  Serial.begin(9600);
+  establishContact();  // send a byte to establish contact until receiver responds
+}
+
+void loop()
+{
+  // if we get a valid byte, read analog ins:
+  if (Serial.available() > 0) {
+    x = analogRead(A0)/4;
+    xtab[i] = x; //put it in array of x
+    i = i + 1; //index to last x (9 times ago)
+    if(i>9)i=0; //increment index
+    v = x - xtab[i]; //difference x vs old x
+    t = (t+1)%256;  
+    // send sensor values:
+    Serial.write(x);
+    Serial.write(",");
+    Serial.write(v+128);
+    Serial.write(",");
+    Serial.write(t);              
+  }
+}
+
+void establishContact() {
+  while (Serial.available() <= 0) {
+    Serial.println("0,0,0");   // send an initial string
+    delay(300);
+  }
+}
+