Library for Sure Electronics HT1632 based LED matrix displays. Supports multiple displays connected together.
Dependents: HT1632MsgScroller SMS_LEDMatrixPrinter
HT1632_LedMatrix.h
- Committer:
- SomeRandomBloke
- Date:
- 2012-11-09
- Revision:
- 2:3e477c909f7a
- Parent:
- 0:b3e0f5bb3b87
- Child:
- 3:48f430fe186e
File content as of revision 2:3e477c909f7a:
/* * 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