Diff: I2CLCD.h

Revision:

0:b069b7027af2

Child:

1:bf21aa3f7cdc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/I2CLCD.h	Thu Oct 14 14:45:30 2010 +0000
@@ -0,0 +1,56 @@
+/*
+ * mbed library to use a I2C LCD
+ * Copyright (c) 2010 Hiroshi Suga
+ * Released under the MIT License: http://mbed.org/license/mit
+ */
+ 
+#ifndef I2CLCD_H
+#define I2CLCD_H
+
+#include "mbed.h"
+
+enum I2CLCDType {
+    LCD8x2,
+    LCD16x1,
+    LCD16x2,
+    LCD16x2B,
+    LCD16x4,
+    LCD20x2,
+    LCD20x4
+};
+
+enum I2CLCDConfig {
+    LCDCFG_ENABLE   = 0x20,
+    LCDCFG_PWMCOUNT = 0x10,
+    LCDCFG_LED      = 0x08,
+    LCDCFG_3V       = 0x04,
+    LCDCFG_ADDR     = 0x02,
+    LCDCFG_INIT     = 0x01
+};
+
+class I2CLCD : public Stream {
+public:
+    I2CLCD (PinName p_sda, PinName p_scl, I2CLCDType p_type = LCD16x2, I2CLCDConfig p_config = LCDCFG_3V);
+    I2CLCD (I2C& p_i2c, I2CLCDType p_type = LCD16x2, I2CLCDConfig p_config = LCDCFG_3V);
+
+    void locate (int, int);
+    void cls ();
+    void lcd_cfg (I2CLCDConfig);
+
+protected:
+    virtual int _putc (int);
+    virtual int _getc ();
+
+    int address (int, int);
+    int rows ();
+    int cols ();
+    void init (I2CLCDType, I2CLCDConfig);
+    void lcd_out (int, int);
+    int lcd_in (int);
+
+    I2C i2c;
+    I2CLCDType type;
+    int x, y;
+};
+
+#endif
\ No newline at end of file