http://playground.arduino.cc/ComponentLib/Ps2mouse

[Arduino] / libraries / ps2 / examples / ps2_kbd / ps2_kbd.pde

diff --git a/libraries/ps2/examples/ps2_kbd/ps2_kbd.pde b/libraries/ps2/examples/ps2_kbd/ps2_kbd.pde
new file mode 100644 (file)
index 0000000..d3f0a04
--- /dev/null
+++ b/libraries/ps2/examples/ps2_kbd/ps2_kbd.pde
@@ -0,0 +1,46 @@
+/*\r
+ * an arduino sketch to interface with a ps/2 keyboard.\r
+ * Also uses serial protocol to talk back to the host\r
+ * and report what it finds. Used the ps2 library.\r
+ */\r
+\r
+#include <ps2.h>\r
+\r
+/*\r
+ * Pin 5 is the ps2 data pin, pin 6 is the clock pin\r
+ * Feel free to use whatever pins are convenient.\r
+ */\r
+\r
+PS2 kbd(6, 5);\r
+\r
+void kbd_init()\r
+{\r
+  char ack;\r
+\r
+  kbd.write(0xff);  // send reset code\r
+  ack = kbd.read();  // byte, kbd does self test\r
+  ack = kbd.read();  // another ack when self test is done\r
+}\r
+\r
+void setup()\r
+{\r
+  Serial.begin(9600);\r
+  kbd_init();\r
+}\r
+\r
+/*\r
+ * get a keycode from the kbd and report it back to the\r
+ * host via the serial line.\r
+ */\r
+void loop()\r
+{\r
+  unsigned char code;\r
+  \r
+  for (;;) { /* ever */  \r
+    /* read a keycode */\r
+    code = kbd.read();\r
+    /* send the data back up */\r
+    Serial.println(code, HEX);\r
+   // delay(20);  /* twiddle */\r
+  }\r
+}\r