Arduino sketch: take commands from a PS2 keyboard on pins 2,3

Uses the PS2Keyboard library from
http://www.pjrc.com/teensy/td_libs_PS2Keyboard.html

1 files changed, 13 insertions, 4 deletions

diff --git a/arduino_sketch/rfc4824/rfc4824.ino b/arduino_sketch/rfc4824/rfc4824.ino
index 95d0c21..c4c0331 100644
--- a/arduino_sketch/rfc4824/rfc4824.ino
+++ b/arduino_sketch/rfc4824/rfc4824.ino
@@ -1,5 +1,6 @@
 
 #include <Stepper.h>
+#include <PS2Keyboard.h>
 
 #define ADJ_STP 32
 #define ADJ_SPEED 128
@@ -10,7 +11,10 @@
 Stepper left_arm(64,4,5,6,7);
 Stepper right_arm(64,8,9,10,11);
 
-int c;
+PS2Keyboard keyboard;
+
+#define KBD_DATA 2
+#define KBD_CLOCK 3
 
 int pos[16][2] = { {1,0}, {2,0}, {3,0}, {4,0}, 
     {0,3}, {0,2}, {0,1}, {2,-1}, 
@@ -19,12 +23,18 @@ int pos[16][2] = { {1,0}, {2,0}, {3,0}, {4,0},
 
 void setup() {
     Serial.begin(9600);
+    keyboard.begin(KBD_DATA,KBD_CLOCK);
     left_arm.setSpeed(QRT_SPEED);
     right_arm.setSpeed(QRT_SPEED);
 }
 
 void loop() {
-   read_serial_commands();
+    if (Serial.available()) {
+       read_commands(Serial.read());
+    }
+    if (keyboard.available()) {
+       read_commands(keyboard.read());
+    }
 }
 
 void adjust(char motor,int steps) {
@@ -48,8 +58,7 @@ void adjust(char motor,int steps) {
     Serial.println(" steps");
 }
 
-void read_serial_commands() {
-    c = Serial.read();
+void read_commands(int c) {
     switch (c) {
         case 'o':
             adjust('l',ADJ_STP);