got the firmware for the high-speed protocol sketched out, now I need to figure out the div/mod byte format

svn path=/trunk/externals/hardware/arduino/; revision=4691

1 files changed, 44 insertions, 13 deletions

diff --git a/examples/Pd_Input/Pd_Input.pde b/examples/Pd_Input/Pd_Input.pde
index d5dd5e7..2099ffb 100644
--- a/examples/Pd_Input/Pd_Input.pde
+++ b/examples/Pd_Input/Pd_Input.pde
@@ -1,15 +1,18 @@
 /* Pd_Input
  * ------------------
  *
- * This program reads all of the Analog inputs
- * and sends the data to the computer as fast as
- * possible.  It was designed to work with the Pd
- * patch of the same name in:
- * Help -> Browser -> examples -> hardware
+ * This program reads all of the Analog and 12 Digital Inputs
+ * and sends the data to the computer as fast as possible.  
+ * It reads one analog pin and two digital pins per cycle 
+ * so that the time between reads on all pins remains 
+ * constant.
+ *
+ * It was designed to work with the Pd patch of the same 
+ * name in:  Help -> Browser -> examples -> hardware
  *
  * (cleft) 2006 Hans-Christoph Steiner
  * @author: Hans-Christoph Steiner
- * @date: 2006-03-04
+ * @date: 2006-03-10
  * @location: Polytechnic University, Brooklyn, New York, USA
  */
 
@@ -19,15 +22,43 @@
  * without a delay() so its very fast.
  */
     
-int potPin = 0;
+int analogPin = 0;
+int digitalPin = 0;
+int ledOut = 1;
+int analogIn = 0;
 void setup() {
-  beginSerial(19200);
+  beginSerial(9600);
 }
 
 void loop() {
-  printByte(potPin + 65); // add 65 to get ASCII chars starting with A
-  printInteger(analogRead(potPin));
-  potPin = potPin + 1;
-  if (potPin > 5)
-    potPin = 0;
+  /*
+   * get two digital ins
+   */
+/*   
+  printByte(digitalRead(digitalPin));
+  digitalPin = digitalPin + 1;
+  if (digitalPin > 11)
+    digitalPin = 0;
+  printByte(digitalRead(digitalPin));
+  digitalPin = digitalPin + 1;
+  if (digitalPin > 11)
+    digitalPin = 0;
+*/
+  /*
+   * get analog in
+   */
+  printByte(65);   
+  analogIn = analogRead(analogPin);
+  printByte(analogIn / 127);
+  printByte(analogIn % 127);
+  analogPin = analogPin + 1;
+  if (analogPin > 5)
+  {
+    analogPin = 0;
+    // toggle the status LED (pin 13)
+    digitalWrite(13,ledOut);
+    ledOut = !ledOut;  // alternate the LED
+    // the newline (ASCII 10) marks the start/end of the sequence
+    printNewline();   
+  }  
 }