Diff: Keyboard.h

Revision:

2:1dab1089c332

Child:

4:745fbbd5e4e5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Keyboard.h	Sat Aug 20 12:49:44 2011 +0000
@@ -0,0 +1,63 @@
+/* Keyboard - Keyboard and Fire Switch control
+ *
+ * Copyright (c) 2011 Wim Huiskamp
+ *
+ * Released under the MIT License: http://mbed.org/license/mit
+ *
+ * version 0.2 Initial Release
+*/
+#ifndef _KEYBOARD_H
+#define _KEYBOARD_H
+
+/*****************************************************************************/
+/*********************  DEFINITIONS FOR KEYBOARD   ***************************/
+/*****************************************************************************/
+
+// Definitions for Keyboard Latch
+// NOTE: NEED TO CHECK THESE !!!!
+#define D_KEYBOARD_NONE             0x00
+#define D_KEYBOARD_MODE             0x01
+#define D_KEYBOARD_EDIT_PATH        0x02
+#define D_KEYBOARD_BRIGHT           0x03
+#define D_KEYBOARD_NOTUSED_4        0x04
+#define D_KEYBOARD_GRAT_RT          0x05
+#define D_KEYBOARD_F_L_UP           0x06
+#define D_KEYBOARD_NOTUSED_7        0x07
+
+// Masks for keyboard codes, bit 7 not used
+#define D_KEYBOARD_MASK             0x7F 
+
+//Enums for Keyboard codes
+enum Key_Code { KEY_NONE, KEY_MODE, KEY_EDIT_PATH, KEY_BRIGHT, KEY_GRAT_RT, KEY_F_L_UP, KEY_FIRE };
+
+
+/** Create a Keyboard object connected to the proper busses
+ *
+ * @param  PCF8574_DataBus data databus to connect to 
+ * @param  PCF8574_EnableBus enable enablebus to connect to 
+ * @param  MBED_ControlBus control controlbus to connect to 
+*/
+class Keyboard {
+public:
+    Keyboard(PCF8574_DataBus &databus,
+               PCF8574_EnableBus &enablebus, MBED_ControlBus &controlbus);
+    bool readable ();
+    Key_Code getkey();
+            
+protected:
+    PCF8574_DataBus &_databus;
+    PCF8574_EnableBus &_enablebus;
+    MBED_ControlBus &_controlbus;   
+    bool _KeyReady;      
+    Key_Code _KeyCode;
+
+    uint8_t _read();   
+    void _init();          
+};
+
+
+#endif
+/*****************************************************************************/
+/******************************  END OF FILE  ********************************/
+/*****************************************************************************/
+