lcd-segments.h

应用于利而达MSP430－TEST42X板的液晶屏测试代码

//--------------------------------------------------------------------------
//
//  Software for MSP430 based e-meters.
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//	File: lcd-segments.h
//
//  Steve Underwood <[e-mail]>
//  Texas Instruments Hong Kong Ltd.
//
//  Date        Comments
//  =====================
//	2002-09-16	Initial version
//
//--------------------------------------------------------------------------
//#define STAR_BURST

  #if   0                     //there seems to be two types of glasses 
#define SEG_a       0x01
#define SEG_b       0x02
#define SEG_c       0x10
#define SEG_d       0x08
#define SEG_e       0x40
#define SEG_f       0x20
#define SEG_g       0x04
#define SEG_h       0x80
   #else
#define SEG_a       0x01
#define SEG_b       0x02
#define SEG_c       0x10
#define SEG_d       0x04
#define SEG_e       0x80
#define SEG_f       0x20
#define SEG_g       0x08
#define SEG_h       0x40   
   #endif    

//By changing the about definitions appropriately, the follow
//definitions are generic, and may be used for most byte
//addressed displays.

//First blank, and the hex codes, which all display quite
//well on a 7-segment display.
#define CHAR_SPACE	0
#define CHAR_ALL	(SEG_a|SEG_b|SEG_c|SEG_d|SEG_e|SEG_f|SEG_g|SEG_h)
#define CHAR_0		(SEG_a|SEG_b|SEG_c|SEG_d|SEG_e|SEG_f)
#define CHAR_1  	(SEG_b|SEG_c)
#define CHAR_2  	(SEG_a|SEG_b|SEG_d|SEG_e|SEG_g)
#define CHAR_3  	(SEG_a|SEG_b|SEG_c|SEG_d|SEG_g)
#define CHAR_4  	(SEG_b|SEG_c|SEG_f|SEG_g)
#define CHAR_5  	(SEG_a|SEG_c|SEG_d|SEG_f|SEG_g)
#define CHAR_6  	(SEG_a|SEG_c|SEG_d|SEG_e|SEG_f|SEG_g)
#define CHAR_7  	(SEG_a|SEG_b|SEG_c)
#define CHAR_8  	(SEG_a|SEG_b|SEG_c|SEG_d|SEG_e|SEG_f|SEG_g)
#define CHAR_9  	(SEG_a|SEG_b|SEG_c|SEG_d|SEG_f|SEG_g)
#define CHAR_A  	(SEG_a|SEG_b|SEG_c|SEG_e|SEG_f|SEG_g)
#define CHAR_B  	(SEG_c|SEG_d|SEG_e|SEG_f|SEG_g)
#define CHAR_C  	(SEG_a|SEG_d|SEG_e|SEG_f)
#define CHAR_D  	(SEG_b|SEG_c|SEG_d|SEG_e|SEG_g)
#define CHAR_E  	(SEG_a|SEG_d|SEG_e|SEG_f|SEG_g)
#define CHAR_F  	(SEG_a|SEG_e|SEG_f|SEG_g)

//Now, a few other symbols - some look good, and some do not. Some
//also look the same a digit. Beware!
#define CHAR_a		(SEG_a|SEG_b|SEG_c|SEG_d|SEG_e|SEG_g)
#define CHAR_b		(SEG_c|SEG_d|SEG_e|SEG_f|SEG_g)
#define CHAR_c		(SEG_d|SEG_e|SEG_g)
#define CHAR_d		(SEG_b|SEG_c|SEG_d|SEG_e|SEG_g)
#define CHAR_g		(SEG_a|SEG_b|SEG_c|SEG_d|SEG_f|SEG_g)
#define CHAR_H		(SEG_b|SEG_c|SEG_e|SEG_f|SEG_g)
#define CHAR_h		(SEG_c|SEG_e|SEG_f|SEG_g)
#define CHAR_i		(SEG_c)
#define CHAR_L		(SEG_d|SEG_e|SEG_f)
#define CHAR_l		(SEG_b|SEG_c)
#define CHAR_n		(SEG_c|SEG_e|SEG_g)
#define CHAR_O		(SEG_a|SEG_b|SEG_c|SEG_d|SEG_e|SEG_f)
#define CHAR_o		(SEG_c|SEG_d|SEG_e|SEG_g)
#define CHAR_P		(SEG_a|SEG_b|SEG_e|SEG_f|SEG_g)
#define CHAR_q		(SEG_a|SEG_b|SEG_c|SEG_f|SEG_g)
#define CHAR_r		(SEG_e|SEG_g)
#define CHAR_S		(SEG_a|SEG_c|SEG_d|SEG_f|SEG_g)
#define CHAR_t		(SEG_d|SEG_e|SEG_f|SEG_g)
#define CHAR_u		(SEG_c|SEG_d|SEG_e)
#define CHAR_U		(SEG_b|SEG_c|SEG_d|SEG_e|SEG_f)
#define CHAR_MINUS	(SEG_g)
#define CHAR_EQUALS	(SEG_d|SEG_g)