Diff: Hotboards_SpiLcd.h

Revision:

0:1d03652e9f7a

Child:

1:b777b6147d99

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Hotboards_SpiLcd.h	Thu Jan 28 22:45:39 2016 +0000
@@ -0,0 +1,114 @@
+/*
+  Hotboards_SpiLcd.cpp - Library for write and control and lcd with spi interfaces and the ST7032 controller.
+  base on Arduino's Liquid Cristal library
+  Library ported by diego from Hotboards January 16, 2016. 
+  and originally cretaed by
+  by David A. Mellis
+  library modified 5 Jul 2009
+  by Limor Fried (http://www.ladyada.net)
+  example added 9 Jul 2009
+  by Tom Igoe
+  modified 22 Nov 2010
+  by Tom Igoe
+  Released into the public domain.
+*/
+
+#ifndef Hotboards_SpiLcd_h
+#define Hotboards_SpiLcd_h
+
+#include "mbed.h"
+
+// commands
+#define HT_SPILCD_CLEARDISPLAY          0x01
+#define HT_SPILCD_RETURNHOME            0x02
+#define HT_SPILCD_ENTRYMODESET          0x04
+#define HT_SPILCD_DISPLAYCONTROL        0x08
+#define HT_SPILCD_CURSORSHIFT           0x10
+#define HT_SPILCD_FUNCTIONSET           0x20
+#define HT_SPILCD_SETCGRAMADDR          0x40
+#define HT_SPILCD_SETDDRAMADDR          0x80
+
+// flags for display entry mode
+#define HT_SPILCD_ENTRYRIGHT            0x00
+#define HT_SPILCD_ENTRYLEFT             0x02
+#define HT_SPILCD_ENTRYSHIFTINCREMENT   0x01
+#define HT_SPILCD_ENTRYSHIFTDECREMENT   0x00
+
+// flags for display on/off control
+#define HT_SPILCD_DISPLAYON             0x04
+#define HT_SPILCD_DISPLAYOFF            0x00
+#define HT_SPILCD_CURSORON              0x02
+#define HT_SPILCD_CURSOROFF             0x00
+#define HT_SPILCD_BLINKON               0x01
+#define HT_SPILCD_BLINKOFF              0x00
+
+// flags for display/cursor shift
+#define HT_SPILCD_DISPLAYMOVE           0x08
+#define HT_SPILCD_CURSORMOVE            0x00
+#define HT_SPILCD_MOVERIGHT             0x04
+#define HT_SPILCD_MOVELEFT              0x00
+
+// flags for function set
+#define HT_SPILCD_8BITMODE              0x10
+#define HT_SPILCD_4BITMODE              0x00
+#define HT_SPILCD_2LINE                 0x08
+#define HT_SPILCD_1LINE                 0x00
+#define HT_SPILCD_5x16DOTS              0x04
+#define HT_SPILCD_5x8DOTS               0x00
+#define HT_SPILCD_EXTINST               0x01
+#define HT_SPILCD_NORMINST              0x00
+
+
+class Hotboards_SpiLcd : public Stream
+{
+  public:
+  
+    Hotboards_SpiLcd( SPI &spi, PinName cs, PinName rs, PinName rst );
+    void init( void );
+    void clear( void );
+    void home( void );
+
+    void noDisplay( void );
+    void display( void );
+    void noBlink( void );
+    void blink( void );
+    void noCursor( void );
+    void cursor( void );
+    void scrollDisplayLeft( void );
+    void scrollDisplayRight( void );
+    void leftToRight( void );
+    void rightToLeft( void );
+    void autoscroll( void );
+    void noAutoscroll( void );
+
+    //void setRowOffsets( int row1, int row2 );
+    //void createChar( uint8_t, uint8_t[] );
+    void setCursor( uint8_t, uint8_t ); 
+    void command( uint8_t );
+    #if DOXYGEN_ONLY
+        int putc(int c);     
+        int printf(const char* format, ...);
+    #endif
+    
+  
+  protected:
+
+    void send( uint8_t, uint8_t );
+    
+    // redirection for the printf and putc functions
+    virtual int _putc( int value );
+    virtual int _getc( void );
+            
+    // internal objects
+    SPI _spi;
+            
+    DigitalOut _cs_pin;
+    DigitalOut _rs_pin;
+    DigitalOut _rst_pin;
+
+    uint8_t _displayfunction;
+    uint8_t _displaycontrol;
+    uint8_t _displaymode;
+};
+
+#endif /* Hotboards_SpiLcd_h */
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