sblcd_hpa449_sblcd.h

ADS1241与MSP430F449接口设计

#include "types.h"
/* -*- c -*- */

#ifndef GUARD_sblcd_h
#define GUARD_sblcd_h

// ---- macros & data

#define sblcd_SEG_ON(loc,mask) *(loc)|=(mask)
#define sblcd_seg_on(seg) sblcd_SEG_ON((seg)->loc,(seg)->mask)
#define sblcd_SEG_OFF(loc,mask) *(loc)&=~(mask)
#define sblcd_seg_off(seg) sblcd_SEG_OFF((seg)->loc,(seg)->mask)

#define sblcd_SEG_MINUS &LCDM18,(1<<4)
#define sblcd_SEG_PLUS &LCDM18,(1<<7)
#define sblcd_SEG_SMCOLON &LCDM4,(1<<7)
#define sblcd_minus_on() sblcd_SEG_ON(&LCDM18,(1<<4))
#define sblcd_minus_off() sblcd_SEG_OFF(&LCDM18,(1<<4))
#define sblcd_plus_on() sblcd_SEG_ON(&LCDM18,(1<<7))
#define sblcd_plus_off() sblcd_SEG_OFF(&LCDM18,(1<<7))
#define sblcd_lg_dp_on(ind) sblcd_lg_dp_set(ind,1)
#define sblcd_lg_dp_off(ind) sblcd_lg_dp_set(ind,0)
#define sblcd_lg_colon_on(ind) sblcd_lg_colon_set(ind,1)
#define sblcd_lg_colon_off(ind) sblcd_lg_colon_set(ind,0)

#if 1
#define sblcd_bg_alloff() sblcd_bg_set(0)
#define sblcd_bg_allon() sblcd_bg_set(0xfff)
#define sblcd_SEG_BRBL &LCDM8,(1<<4)
#define sblcd_SEG_BGL &LCDM7,(1<<3)
#define sblcd_SEG_BGR &LCDM8,(1)
#endif

#define sblcd_sm_colon_on() sblcd_SEG_ON(sblcd_SEG_SMCOLON)
#define sblcd_sm_colon_off() sblcd_SEG_OFF(sblcd_SEG_SMCOLON)
#define sblcd_sm_colon_set(on) sblcd_SEG_SET(sblcd_SEG_SMCOLON,on)
#define sblcd_sm_dp_off(i) sblcd_sm_dp_set((i),0)
#define sblcd_sm_dp_on(i) sblcd_sm_dp_set((i),1)

// ---- functions

void sblcd_SEG_SET(volatile char *loc, u8 mask, int on);

void sblcd_lg_showc(char c, int position);
void sblcd_lg_showstr(char *c);

void sblcd_lg_dp_set(int ind, int on);
void sblcd_lg_colon_set(int ind, int on);
void sblcd_lg_alldpcolonoff(void);
void sblcd_lg_showstr(char *c);

#if 1
void sblcd_bg_set(u16 segs);
void sblcd_bg_centre(int val);
void sblcd_bg_onedot(int val);
void sblcd_bg_lr(int val);
#endif

void sblcd_sm_seg_set(int seg, int pos, int on);
void sblcd_sm_showsegs(u8 segs, int pos);
void sblcd_sm_dp_set(int ind, int on);
void sblcd_sm_showc(char c, int pos);
void sblcd_sm_showstr(char *c);

#define sblcd_arrowson() LCDM2|=15
#define sblcd_arrowsoff() LCDM2&=0xf0

/* bits: 3=d, 2=r, 1=u, 0=l */
extern inline sblcd_arrows_set(char segs)
{
	LCDM2=(segs&15)|(LCDM2&0xF0);
}

void sblcd_init(void);

#endif