Diff: HT1632_LedMatrix.h

Revision:

0:b3e0f5bb3b87

Child:

3:48f430fe186e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HT1632_LedMatrix.h	Thu Nov 08 21:41:33 2012 +0000
@@ -0,0 +1,87 @@
+/*
+*   HT1632_LedMatrix.h
+*   defintions for Holtek ht1632 LED driver
+*/
+
+#ifndef _HT1632_LEDMATRIX_H
+#define _HT1632_LEDMATRIX_H
+
+#define USE_GRAPHIC
+
+
+#include <inttypes.h>
+
+/*
+ * commands written to the chip consist of a 3 bit "ID", followed by
+ * either 9 bits of "Command code" or 7 bits of address + 4 bits of data.
+ */
+#define HT1632_ID_CMD 4     /* ID = 100 - Commands */
+#define HT1632_ID_RD  6     /* ID = 110 - Read RAM */
+#define HT1632_ID_WR  5     /* ID = 101 - Write RAM */
+
+#define HT1632_CMD_SYSDIS 0x00  /* CMD= 0000-0000-x Turn off oscil */
+#define HT1632_CMD_SYSON  0x01  /* CMD= 0000-0001-x Enable system oscil */
+#define HT1632_CMD_LEDOFF 0x02  /* CMD= 0000-0010-x LED duty cycle gen off */
+#define HT1632_CMD_LEDON  0x03  /* CMD= 0000-0011-x LEDs ON */
+#define HT1632_CMD_BLOFF  0x08  /* CMD= 0000-1000-x Blink ON */
+#define HT1632_CMD_BLON   0x09  /* CMD= 0000-1001-x Blink Off */
+#define HT1632_CMD_SLVMD  0x10  /* CMD= 0001-00xx-x Slave Mode */
+#define HT1632_CMD_MSTMD  0x14  /* CMD= 0001-01xx-x Master Mode */
+#define HT1632_CMD_RCCLK  0x18  /* CMD= 0001-10xx-x Use on-chip clock */
+#define HT1632_CMD_EXTCLK 0x1C  /* CMD= 0001-11xx-x Use external clock */
+#define HT1632_CMD_COMS00 0x20  /* CMD= 0010-ABxx-x commons options */
+#define HT1632_CMD_COMS01 0x24  /* CMD= 0010-ABxx-x commons options */
+#define HT1632_CMD_COMS10 0x28  /* CMD= 0010-ABxx-x commons options */
+#define HT1632_CMD_COMS11 0x2C  /* CMD= 0010-ABxx-x commons options */
+#define HT1632_CMD_PWM    0xA0  /* CMD= 101x-PPPP-x PWM duty cycle */
+
+#define PIXEL_OFF 0
+#define PIXEL_ON  1
+
+//class HT1632_LedMatrix 
+class HT1632_LedMatrix  //: public Print 
+{
+  private:
+    void chipselect( uint8_t );
+    void chipfree( uint8_t );
+    void writebits( uint8_t, uint8_t );
+    void writedatabits( uint8_t, uint8_t );
+    void sendcmd( uint8_t, uint8_t );
+    void senddata( uint8_t, uint8_t, uint8_t );
+    void sendcol( uint8_t, uint8_t, uint8_t );
+
+  public:
+    HT1632_LedMatrix( );
+    
+    // Init/Clear/position functions
+    void init( uint8_t, uint8_t );
+    void clear(void);
+    void setBrightness( unsigned char );
+    uint8_t putChar( int, int, char );
+    void write( uint8_t );
+    void putString( int, int, char* );
+    void plot( int, int, char );
+    void gotoXY(int , int);
+    void getXY(int* , int*);
+    void getXYMax(int*, int*);
+    void shiftCursorX(int );
+    void setCustomChar( int, unsigned char[]);
+    void setCustomChar( int, unsigned char[], uint8_t );
+    void scrollLeft(uint8_t);
+    void putShadowRam();
+    void putShadowRam(uint8_t);
+    // Graphic functions
+#ifdef  USE_GRAPHIC
+    void drawLine(unsigned char x1, unsigned char y1,
+            unsigned char x2, unsigned char y2, unsigned char c);
+    void drawRectangle(unsigned char x1, unsigned char y1,
+            unsigned char x2, unsigned char y2, unsigned char c);
+    void drawFilledRectangle(unsigned char x1, unsigned char y1,
+            unsigned char x2, unsigned char y2, unsigned char c);
+    void drawCircle(unsigned char xc, unsigned char yc,
+            unsigned char r, unsigned char c);
+#endif
+
+};
+
+#endif //_HT1632_LEDMATRIX_H