lcd12864_driver.h

实时时钟芯片DS12c887的51单片机驱动程序,能读出年月日时分秒等日历信息.

#include"reg52.h"
#include"intrins.h"

#define dat P0
#define uchar unsigned char
#define uint unsigned int 


sbit cs2=P2^6;
sbit cs1=P2^7;
sbit en=P2^5;
sbit rw=P2^4;
sbit di=P2^3;


uchar code ASC_20[16] = {
/*    CHAR_20 */
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uchar code ASC_21[16] = {
/*!   CHAR_21 */
0x00,0x00,0x00,0xF8,0xF8,0x00,0x00,0x00,
0x00,0x00,0x00,0x33,0x33,0x00,0x00,0x00};
uchar code ASC_22[16] = {
/*"   CHAR_22 */
0x00,0x10,0x0C,0x06,0x10,0x0C,0x06,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uchar code ASC_23[16] = {
/*#   CHAR_23 */
0x40,0xC0,0x78,0x40,0xC0,0x78,0x40,0x00,
0x04,0x3F,0x04,0x04,0x3F,0x04,0x04,0x00};
uchar code ASC_24[16] = {
/*$   CHAR_24 */
0x00,0x70,0x88,0xFC,0x08,0x30,0x00,0x00,
0x00,0x18,0x20,0xFF,0x21,0x1E,0x00,0x00};
uchar code ASC_25[16] = {
/*%   CHAR_25 */
0xF0,0x08,0xF0,0x00,0xE0,0x18,0x00,0x00,
0x00,0x21,0x1C,0x03,0x1E,0x21,0x1E,0x00};
uchar code ASC_26[16] = {
/*&   CHAR_26 */
0x00,0xF0,0x08,0x88,0x70,0x00,0x00,0x00,
0x1E,0x21,0x23,0x24,0x19,0x27,0x21,0x10};
uchar code ASC_27[16] = {
/*`   CHAR_60 */
0x00,0x02,0x02,0x04,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uchar code ASC_28[16] = {
/*(   CHAR_28 */
0x00,0x00,0x00,0xE0,0x18,0x04,0x02,0x00,
0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00};
uchar code ASC_29[16] = {
/*)   CHAR_29 */
0x00,0x02,0x04,0x18,0xE0,0x00,0x00,0x00,
0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00};
uchar code ASC_2a[16] = {
/**   CHAR_2A */
0x40,0x40,0x80,0xF0,0x80,0x40,0x40,0x00,
0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00};
uchar code ASC_2b[16] = {
/*+   CHAR_2B */
0x00,0x00,0x00,0xF0,0x00,0x00,0x00,0x00,
0x01,0x01,0x01,0x1F,0x01,0x01,0x01,0x00};
uchar code ASC_2c[16] = {
/*'   CHAR_27 */
0x10,0x16,0x0E,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uchar code ASC_2d[16] = {
/*-   CHAR_2D */
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01};
uchar code ASC_2e[16] = {
/*.   CHAR_2E */
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00};
uchar code ASC_2f[16] = {
/*/   CHAR_2F */
0x00,0x00,0x00,0x00,0x80,0x60,0x18,0x04,
0x00,0x60,0x18,0x06,0x01,0x00,0x00,0x00};
uchar code ASC_30[16] = {
/*0   CHAR_30 */
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,
0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00};
uchar code ASC_31[16] = {
/*1   CHAR_31 */
0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,
0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00};
uchar code ASC_32[16] = {
/*2   CHAR_32 */
0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,
0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00};
uchar code ASC_33[16] = {
/*3   CHAR_33 */
0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,
0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00};
uchar code ASC_34[16] = {
/*4   CHAR_34 */
0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,
0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00};
uchar code ASC_35[16] = {
/*5   CHAR_35 */
0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,
0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00};
uchar code ASC_36[16] = {
/*6   CHAR_36 */
0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,
0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00};
uchar code ASC_37[16] = {
/*7   CHAR_37 */
0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,
0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00};
uchar code ASC_38[16] = {
/*8   CHAR_38 */
0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,
0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00};
uchar code ASC_39[16] = {
/*9   CHAR_39 */
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,
0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00};
uchar code ASC_3a[16] = {
/*:   CHAR_3A */
0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,
0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00};
uchar code ASC_3b[16] = {
/*;   CHAR_3B */
0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,
0x00,0x00,0x80,0x60,0x00,0x00,0x00,0x00};
uchar code ASC_3c[16] = {
/*<   CHAR_3C */
0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x00,
0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x00};
uchar code ASC_3d[16] = {
/*=   CHAR_3D */
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x00,
0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00};
uchar code ASC_3e[16] = {
/*>   CHAR_3E */
0x00,0x08,0x10,0x20,0x40,0x80,0x00,0x00,
0x00,0x20,0x10,0x08,0x04,0x02,0x01,0x00};
uchar code ASC_3f[16] = {
/*?   CHAR_3F */
0x00,0x70,0x48,0x08,0x08,0x08,0xF0,0x00,
0x00,0x00,0x00,0x30,0x36,0x01,0x00,0x00};
uchar code ASC_40[16] = {
/*@   CHAR_40 */
0xC0,0x30,0xC8,0x28,0xE8,0x10,0xE0,0x00,
0x07,0x18,0x27,0x24,0x23,0x14,0x0B,0x00};
 uchar code ASC_41[16] = {
/*A   CHAR_41 */
0x00,0x00,0xC0,0x38,0xE0,0x00,0x00,0x00,
0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20};
uchar code ASC_42[16] = {
/*B   CHAR_42 */
0x08,0xF8,0x88,0x88,0x88,0x70,0x00,0x00,
0x20,0x3F,0x20,0x20,0x20,0x11,0x0E,0x00};
uchar code ASC_43[16] = {
/*C   CHAR_43 */
0xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00,
0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00};
uchar code ASC_44[16] = {
/*D   CHAR_44 */
0x08,0xF8,0x08,0x08,0x08,0x10,0xE0,0x00,
0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00};
uchar code ASC_45[16] = {
/*E   CHAR_45 */
0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,
0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00};
uchar code ASC_46[16] = {
/*F   CHAR_46 */
0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,
0x20,0x3F,0x20,0x00,0x03,0x00,0x00,0x00};
uchar code ASC_47[16] = {
/*G   CHAR_47 */
0xC0,0x30,0x08,0x08,0x08,0x38,0x00,0x00,
0x07,0x18,0x20,0x20,0x22,0x1E,0x02,0x00};
uchar code ASC_48[16] = {
/*H   CHAR_48 */
0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,
0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20};
uchar code ASC_49[16] = {
/*I   CHAR_49 */
0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00,
0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00};
uchar code ASC_4a[16] = {
/*J   CHAR_4A */
0x00,0x00,0x08,0x08,0xF8,0x08,0x08,0x00,
0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,0x00};
uchar code ASC_4b[16] = {
/*K   CHAR_4B */
0x08,0xF8,0x88,0xC0,0x28,0x18,0x08,0x00,
0x20,0x3F,0x20,0x01,0x26,0x38,0x20,0x00};
uchar code ASC_4c[16] = {
/*L   CHAR_4C */
0x08,0xF8,0x08,0x00,0x00,0x00,0x00,0x00,
0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00};
uchar code ASC_4d[16] = {
/*M   CHAR_4D */
0x08,0xF8,0xF8,0x00,0xF8,0xF8,0x08,0x00,
0x20,0x3F,0x00,0x3F,0x00,0x3F,0x20,0x00,};
uchar code ASC_4e[16] = {
/*N   CHAR_4E */
0x08,0xF8,0x30,0xC0,0x00,0x08,0xF8,0x08,
0x20,0x3F,0x20,0x00,0x07,0x18,0x3F,0x00};
uchar code ASC_4f[16] = {
/*O   CHAR_4F */
0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,
0x0F,0x10,0x20,0x20,0x20,0x10,0x0F,0x00};
uchar code ASC_50[16] = {
/*P   CHAR_50 */
0x08,0xF8,0x08,0x08,0x08,0x08,0xF0,0x00,
0x20,0x3F,0x21,0x01,0x01,0x01,0x00,0x00};
uchar code ASC_51[16] = {
/*Q   CHAR_51 */
0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,
0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00};
uchar code ASC_52[16] = {
/*R   CHAR_52 */
0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,
0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20};
uchar code ASC_53[16] = {
/*S   CHAR_53 */
0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,
0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00};
uchar code ASC_54[16] = {
/*T   CHAR_54 */
0x18,0x08,0x08,0xF8,0x08,0x08,0x18,0x00,
0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00};
uchar code ASC_55[16] = {
/*U   CHAR_55 */
0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,
0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00};
uchar code ASC_56[16] = {
/*V   CHAR_56 */
0x08,0x78,0x88,0x00,0x00,0xC8,0x38,0x08,
0x00,0x00,0x07,0x38,0x0E,0x01,0x00,0x00};
uchar code ASC_57[16] = {
/*W   CHAR_57 */
0xF8,0x08,0x00,0xF8,0x00,0x08,0xF8,0x00,
0x03,0x3C,0x07,0x00,0x07,0x3C,0x03,0x00};
uchar code ASC_58[16] = {
/*X   CHAR_58 */
0x08,0x18,0x68,0x80,0x80,0x68,0x18,0x08,
0x20,0x30,0x2C,0x03,0x03,0x2C,0x30,0x20};
uchar code ASC_59[16] = {
/*Y   CHAR_59 */
0x08,0x38,0xC8,0x00,0xC8,0x38,0x08,0x00,
0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00};
uchar code ASC_5a[16] = {
/*Z   CHAR_5A */
0x10,0x08,0x08,0x08,0xC8,0x38,0x08,0x00,
0x20,0x38,0x26,0x21,0x20,0x20,0x18,0x00};
uchar code ASC_5b[16] = {
/*[   CHAR_5B */
0x00,0x00,0x00,0xFE,0x02,0x02,0x02,0x00,
0x00,0x00,0x00,0x7F,0x40,0x40,0x40,0x00};
uchar code ASC_5c[16] = {
/*\   CHAR_5C */
0x00,0x0C,0x30,0xC0,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x01,0x06,0x38,0xC0,0x00};
uchar code ASC_5d[16] = {
/*]   CHAR_5D */
0x00,0x02,0x02,0x02,0xFE,0x00,0x00,0x00,
0x00,0x40,0x40,0x40,0x7F,0x00,0x00,0x00};
 uchar code ASC_5e[16] = {
/*^   CHAR_5E */
0x00,0x00,0x04,0x02,0x02,0x02,0x04,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uchar code ASC_5f[16] = {
/*_   CHAR_5F */
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80};
uchar code ASC_60[16] = {
/*、   CHAR_2E */
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x0C,0x38,0x30,0x00,0x00,0x00};
uchar code ASC_61[16] = {
/*a   CHAR_61 */
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,
0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20};
uchar code ASC_62[16] = {
/*b   CHAR_62 */
0x08,0xF8,0x00,0x80,0x80,0x00,0x00,0x00,
0x00,0x3F,0x11,0x20,0x20,0x11,0x0E,0x00};
uchar code ASC_63[16] = {
/*c   CHAR_63 */
0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,
0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00};
uchar code ASC_64[16] = {
/*d   CHAR_64 */
0x00,0x00,0x00,0x80,0x80,0x88,0xF8,0x00,
0x00,0x0E,0x11,0x20,0x20,0x10,0x3F,0x20};
uchar code ASC_65[16] = {
/*e   CHAR_65 */
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,
0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00};
uchar code ASC_66[16] = {
/*f   CHAR_66 */
0x00,0x80,0x80,0xF0,0x88,0x88,0x88,0x18,
0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00};
uchar code ASC_67[16] = {
/*g   CHAR_67 */
0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,
0x00,0x6B,0x94,0x94,0x94,0x93,0x60,0x00,};
uchar code ASC_68[16] = {
/*h   CHAR_68 */
0x08,0xF8,0x00,0x80,0x80,0x80,0x00,0x00,
0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20};
 uchar code ASC_69[16] = {
/*i   CHAR_69 */
0x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00,
0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00};
 uchar code ASC_6a[16] = {
/*j   CHAR_6A */
0x00,0x00,0x00,0x80,0x98,0x98,0x00,0x00,
0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00};
uchar code ASC_6b[16] = {
/*k   CHAR_6B */
0x08,0xF8,0x00,0x00,0x80,0x80,0x80,0x00,
0x20,0x3F,0x24,0x02,0x2D,0x30,0x20,0x00};
 uchar code ASC_6c[16] = {
/*l   CHAR_6C */
0x00,0x08,0x08,0xF8,0x00,0x00,0x00,0x00,
0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00};
  uchar code ASC_6d[16] = {
/*m   CHAR_6D */
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,
0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F};
uchar code ASC_6e[16] = {
/*n   CHAR_6E */
0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,
0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20};
uchar code ASC_6f[16] = {
/*o   CHAR_6F */
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,
0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00};
uchar code ASC_70[16] = {
/*p   CHAR_70 */
0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00,
0x80,0xFF,0xA1,0x20,0x20,0x11,0x0E,0x00};
uchar code ASC_71[16] = {
/*q   CHAR_71 */
0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x00,
0x00,0x0E,0x11,0x20,0x20,0xA0,0xFF,0x80};
uchar code ASC_72[16] = {
/*r   CHAR_72 */
0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,
0x20,0x20,0x3F,0x21,0x20,0x00,0x01,0x00};
uchar code ASC_73[16] = {
/*s   CHAR_73 */
0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,
0x00,0x33,0x24,0x24,0x24,0x24,0x19,0x00};
uchar code ASC_74[16] = {
/*t   CHAR_74 */
0x00,0x80,0x80,0xE0,0x80,0x80,0x00,0x00,
0x00,0x00,0x00,0x1F,0x20,0x20,0x00,0x00};
 uchar code ASC_75[16] = {
/*u   CHAR_75 */
0x80,0x80,0x00,0x00,0x00,0x80,0x80,0x00,
0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20};
 uchar code ASC_76[16] = {
/*v   CHAR_76 */
0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,
0x00,0x01,0x0E,0x30,0x08,0x06,0x01,0x00};
uchar code ASC_77[16] = {
/*w   CHAR_77 */
0x80,0x80,0x00,0x80,0x00,0x80,0x80,0x80,
0x0F,0x30,0x0C,0x03,0x0C,0x30,0x0F,0x00};
uchar code ASC_78[16] = {
/*x   CHAR_78 */
0x00,0x80,0x80,0x00,0x80,0x80,0x80,0x00,
0x00,0x20,0x31,0x2E,0x0E,0x31,0x20,0x00};
uchar code ASC_79[16] = {
/*y   CHAR_79 */
0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,
0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00};
uchar code ASC_7a[16] = {
/*z   CHAR_7A */
0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x00,
0x00,0x21,0x30,0x2C,0x22,0x21,0x30,0x00};
 uchar code ASC_7b[16] = {
/*{   CHAR_7B */
0x00,0x00,0x00,0x00,0x80,0x7C,0x02,0x02,
0x00,0x00,0x00,0x00,0x00,0x3F,0x40,0x40};
uchar code ASC_7c[16] = {
/*|   CHAR_7C */
0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00};
 uchar code ASC_7d[16] = {
/*}   CHAR_7D */
0x00,0x02,0x02,0x7C,0x80,0x00,0x00,0x00,
0x00,0x40,0x40,0x3F,0x00,0x00,0x00,0x00};
 uchar code ASC_7e[16] = {
/*~   CHAR_7E */
0x00,0x06,0x01,0x01,0x02,0x02,0x04,0x04,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
 uchar code ASC_7f[16] = {
/*||   CHAR_7F */
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};





#pragma REGISTERBANK(0)


//--------------------------------------------------------------------

//--------------------------------------------------------------------

void lcd_c(bit flag,uchar ldata)
{
	uchar data i;
	di=!flag;
	en=0;
	rw=0;
	dat=ldata;
	_nop_();
	en=1;
	_nop_();
	_nop_();
	en=0;
	rw=1;
	di=1;
	for(i=0;i<10;i++);
}

//--------------------------------------------------------------------

void dis_one_zi(uchar x_add,uchar y_add,uchar code *po,bit back_flag,bit char_moudle)
{
	uchar i,j,w,pp,m,n,o,p;
	
	if(char_moudle==0)
	{m=8;
		n=16;
		o=8;
		p=8;
	}
	else
	{
		m=4;
		n=32;
		o=16;
		p=16;
	}

	j=x_add*2+0xb8;
	w=(y_add<m?y_add:y_add-m)*p+0x40;
	cs1=(y_add<m);
	cs2=!(y_add<m);
	lcd_c(1,j);
	lcd_c(1,w);
	for(i=0;i<n;i++)
	{
		if(i==o)
		{
			lcd_c(1,j+1);
			lcd_c(1,w);
		 }
  if(back_flag==0)
 { 
 	pp=*po++;
 	pp=pp^0xff;
 	lcd_c(0,pp);

 }
  else if( back_flag==1)
  {
  	lcd_c(0,*po++);
	}
  }
  cs1=0;
  cs2=0;
}
//--------------------------------------------------------------------

void dis_cls(void)
{
	uchar data i,j;
	cs1=cs2=1;
	for(i=0xb8;i<0xc0;i++)
	{
		lcd_c(1,i);
		lcd_c(1,0x40);
		for(j=0;j<0x40;j++)
		lcd_c(0,0);
	}
	cs1=cs2=0;
}
//--------------------------------------------------------------------

uchar *get_asc(uchar a)
{
	uchar *p;
	p=ASC_20+((a-32)*16);
	return p;
}
//--------------------------------------------------------------------


void dis_one_char(uchar x,uchar y,uchar asc_num,bit b_flag)
{//显示函数，X为列坐标，Y为行坐标，左上角为（0，0）右下角为（3，15）
 //asc_num为待显示字符的ASCII码值，b_falg为背景标志，1为正显，0为反显
	uchar *p;
	p=get_asc(asc_num);
	dis_one_zi(x,y,p,b_flag,0);
}	
		
//--------------------------------------------------------------------

void lcd_init(void)
{
	lcd_c(1,0x3e);
	lcd_c(1,0xc0);
	lcd_c(1,0x3f);
 	dis_cls();


}	


//--------------------------------------------------------------------