LED7Seg.h

#ifndef LED_7_SEG_H_FILE
#define LED_7_SEG_H_FILE

#if defined(ARDUINO) && ARDUINO >= 100
#include "Arduino.h"
#else
//#include "WProgram.h"
    #define PROGMEM
    #define pgm_read_byte_near(x)   (*(uint8_t*) (x))
#endif

#ifdef _MSC_VER
    typedef signed __int8 int8_t;
    typedef signed __int16 int16_t;
    typedef unsigned __int8 uint8_t;
    typedef unsigned __int16 uint16_t;
#else
    #include <stdint.h>
#endif

#if defined(ARDUINO)
enum led_seg : uint8_t
#else
enum led_seg
#endif
{
    SEG_NONE=0x00,          
    SEG_A=0x01,             
    SEG_B=0x02,             
    SEG_C=0x04,             
    SEG_D=0x08,             
    SEG_E=0x10,             
    SEG_F=0x20,             
    SEG_G=0x40,             
    SEG_DP=0x80,            
    SEGMENTS=8,             
    LED_BLANK=0,                                                    
    LED_EXCLAM=                              SEG_B|       SEG_DP,   
    LED_DQUOTE=       SEG_F|                 SEG_B,                 
    LED_POUND=  SEG_G|                              SEG_A,          
    LED_DOLLAR= SEG_G|            SEG_D|            SEG_A,          
    LED_PERCENT=SEG_G|      SEG_E|           SEG_B|       SEG_DP,   
    LED_AMPER=  SEG_G|                 SEG_C|SEG_B,                 
    LED_SQUOTE=       SEG_F,                                        
    LED_LPAREN=       SEG_F|SEG_E|SEG_D|            SEG_A,          
    LED_RPAREN=                   SEG_D|SEG_C|SEG_B|SEG_A,          
    LED_ASTER=  SEG_G|SEG_F|SEG_E|      SEG_C|SEG_B,                
    LED_PLUS=   SEG_G|SEG_F|SEG_E,                                  
    LED_COMMA=              SEG_E,                                  
    LED_MINUS=  SEG_G,                                              
    LED_PERIOD=                                          SEG_DP,    
    LED_SLASH=  SEG_G|      SEG_E|            SEG_B,                
    LED_0=      SEG_F|SEG_E|SEG_D|SEG_C|SEG_B|SEG_A,                
    LED_1=                        SEG_C|SEG_B,                      
    LED_2=      SEG_G|      SEG_E|SEG_D      |SEG_B|SEG_A,          
    LED_3=      SEG_G|            SEG_D|SEG_C|SEG_B|SEG_A,          
    LED_4=      SEG_G|SEG_F            |SEG_C|SEG_B,                
    LED_5=      SEG_G|SEG_F      |SEG_D|SEG_C      |SEG_A,          
    LED_6=      SEG_G|SEG_F|SEG_E|SEG_D|SEG_C      |SEG_A,          
    LED_7=                        SEG_C|SEG_B|SEG_A,                
    LED_8=      SEG_G|SEG_F|SEG_E|SEG_D|SEG_C|SEG_B|SEG_A,          
    LED_9=      SEG_G|SEG_F|      SEG_D|SEG_C|SEG_B|SEG_A,          
    LED_COLON=  SEG_G|            SEG_D,                            
    LED_SEMI=   SEG_G|            SEG_D|                  SEG_DP,   
    LED_LESS=   SEG_G|SEG_F|                        SEG_A,          
    LED_EQUAL=  SEG_G|                              SEG_A,          
    LED_GREAT=  SEG_G|                        SEG_B|SEG_A,          
    LED_QUEST=  SEG_G|      SEG_E|            SEG_B|SEG_A|SEG_DP,   
    LED_ATSIGN= SEG_G|      SEG_E|SEG_D|SEG_C|SEG_B|SEG_A|SEG_DP,    
    LED_A=      SEG_G|SEG_F|SEG_E      |SEG_C|SEG_B|SEG_A,           
    LED_B=      SEG_G|SEG_F|SEG_E|SEG_D|SEG_C,                       
    LED_C=      SEG_F|SEG_E|SEG_D|                  SEG_A,           
    LED_D=      SEG_G|      SEG_E|SEG_D|SEG_C|SEG_B,                 
    LED_E=      SEG_G|SEG_F|SEG_E|SEG_D|            SEG_A,           
    LED_F=      SEG_G|SEG_F|SEG_E|                  SEG_A,           
    LED_G=            SEG_F|SEG_E|SEG_D|SEG_C      |SEG_A,           
    LED_H=      SEG_G|SEG_F|SEG_E|      SEG_C|SEG_B,                 
    LED_I=            SEG_F|SEG_E,                                   
    LED_J=                  SEG_E|SEG_D|SEG_C|SEG_B,                 
    LED_K=      SEG_G|SEG_F|SEG_E|      SEG_C      |SEG_A,           
    LED_L=            SEG_F|SEG_E|SEG_D,                             
    LED_M=            SEG_F|SEG_E|      SEG_C|SEG_B|SEG_A,           
    LED_N=            SEG_F|SEG_E|      SEG_C|SEG_B|SEG_A,           
    LED_O=            SEG_F|SEG_E|SEG_D|SEG_C|SEG_B|SEG_A,           
    LED_P=      SEG_G|SEG_F|SEG_E|            SEG_B|SEG_A,           
    LED_Q=            SEG_F|SEG_E|SEG_D|SEG_C|SEG_B|SEG_A|SEG_DP,    
    LED_R=            SEG_F|SEG_E                  |SEG_A,           
    LED_S=      SEG_G|SEG_F      |SEG_D|SEG_C      |SEG_A,           
    LED_T=      SEG_G|SEG_F|SEG_E|SEG_D,                             
    LED_U=            SEG_F|SEG_E|SEG_D|SEG_C|SEG_B      |SEG_DP,    
    LED_V=            SEG_F|SEG_E|SEG_D|SEG_C|SEG_B,                 
    LED_W=            SEG_F|SEG_E|SEG_D|SEG_C|SEG_B,                 
    LED_X=      SEG_G|SEG_F|SEG_E|      SEG_C|SEG_B,                 
    LED_Y=      SEG_G|SEG_F|      SEG_D|SEG_C|SEG_B,                 
    LED_Z=      SEG_G|      SEG_E|SEG_D      |SEG_B|SEG_A,           
    LED_LBRACK=       SEG_F|SEG_E|SEG_D|            SEG_A,           
    LED_BSLASH= SEG_G|SEG_F|            SEG_C,                       
    LED_RBRACK=                   SEG_D|SEG_C|SEG_B|SEG_A,           
    LED_CARET=        SEG_F|                  SEG_B|SEG_A,           
    LED_UNDER=                    SEG_D,                             
    LED_ACCENT=                               SEG_B,                 
    LED_a=      SEG_G|      SEG_E|SEG_D|SEG_C|SEG_B|SEG_A,           
    LED_b=      SEG_G|SEG_F|SEG_E|SEG_D|SEG_C,                       
    LED_c=      SEG_G|      SEG_E|SEG_D,                             
    LED_d=      SEG_G|      SEG_E|SEG_D|SEG_C|SEG_B,                 
    LED_e=      SEG_G|SEG_F|SEG_E|SEG_D|      SEG_B|SEG_A,           
    LED_f=      SEG_G|SEG_F|SEG_E|                  SEG_A,           
    LED_g=      SEG_G|SEG_F|      SEG_D|SEG_C|SEG_B|SEG_A,           
    LED_h=      SEG_G|SEG_F|SEG_E|      SEG_C,                       
    LED_i=                  SEG_E,                                   
    LED_j=                        SEG_D|SEG_C|SEG_B,                 
    LED_k=      SEG_G|SEG_F|SEG_E|      SEG_C      |SEG_A,           
    LED_l=            SEG_F|SEG_E,                                   
    LED_m=      SEG_G|      SEG_E|      SEG_C,                       
    LED_n=      SEG_G|      SEG_E|      SEG_C,                       
    LED_o=      SEG_G|      SEG_E|SEG_D|SEG_C,                       
    LED_p=      SEG_G|SEG_F|SEG_E|            SEG_B|SEG_A,           
    LED_q=      SEG_G|SEG_F|            SEG_C|SEG_B|SEG_A|SEG_DP,    
    LED_r=      SEG_G|      SEG_E,                                   
    LED_s=      SEG_G|SEG_F      |SEG_D|SEG_C      |SEG_A,           
    LED_t=      SEG_G|SEG_F|SEG_E|SEG_D,                             
    LED_u=                  SEG_E|SEG_D|SEG_C            |SEG_DP,    
    LED_v=                  SEG_E|SEG_D|SEG_C,                       
    LED_w=                  SEG_E|SEG_D|SEG_C,                       
    LED_x=      SEG_G|SEG_F|SEG_E|      SEG_C|SEG_B,                 
    LED_y=      SEG_G|SEG_F|      SEG_D|SEG_C|SEG_B,                 
    LED_z=      SEG_G|      SEG_E|SEG_D      |SEG_B|SEG_A,           
    LED_LBRACE= SEG_G|                  SEG_C|SEG_B,                 
    LED_VERTBAR=      SEG_F|SEG_E,                                   
    LED_RBRACE= SEG_G|SEG_F|SEG_E,                                   
    LED_TILDE=  SEG_G|SEG_F|                  SEG_B,                 
    LED_DEGREE= SEG_G|SEG_F|                  SEG_B|SEG_A            
};

extern const PROGMEM enum led_seg LED_AsciiFont[96];
extern const PROGMEM enum led_seg LED_HexFont[16];

#define LED_GET_FONT(font,c)    ((enum led_seg)(((c) < sizeof(font)) ? pgm_read_byte_near(font + (c)) : (c)))

#if defined(ARDUINO)
enum led_dig : uint8_t
#else
enum led_dig
#endif
{
    DIG_NONE=0x00,           
    DIG_0=0x01,              
    DIG_1=0x02,              
    DIG_2=0x04,              
    DIG_3=0x08,              
    DIG_4=0x10,              
    DIG_5=0x20,              
    DIG_6=0x40,              
    DIG_7=0x80,              
    MAX_DIGITS=8             
};

#if defined(_ARUDINO)
enum led_config : uint8_t
#else
enum led_config
#endif
{
    SEG_INVERT=0x01,         
    DIG_INVERT=0x02,         

    // Use defines to link the hardware configurations to the correct numbers
    COMMON_ANODE=SEG_INVERT,          
    COMMON_CATHODE=DIG_INVERT         
};
    
class SevSeg
{
public:
    // Constructor
    SevSeg();
protected:
    uint8_t m_config;              
    uint8_t m_digits;              
    uint8_t m_index;               
    unsigned long m_last;          
    
    enum led_seg m_buf[MAX_DIGITS]; 
    const uint8_t* m_pins;         

public:
    void begin(enum led_config conf, uint8_t digits, const uint8_t* pin);
    void setSegments(enum led_seg mask);
    void setDigits(enum led_dig mask);
    void refreshDigits(void);
    void refreshSegments(void);
    void showHex(unsigned long num);
    void showNumber(unsigned long num, uint8_t dp, enum led_seg fill = SEG_NONE);
    void showDecimal(signed long i, uint8_t dp);
    void showText(const char* str);
    void showRaw(const enum led_seg* buf);
};

#endif