1
// ks0108.h
2// 代码参考其他代码后编写，受益非浅
3#ifndef __KS0108_h__
4#define __KS0108_h__
5
6#define uchar unsigned char
7#define uint unsigned int
8
9#define __MAPLCD128X64__
10
11#ifdef __MAPLCD128X64__
12#define selectChip_00() lcd_csa=0,lcd_csb=0;
13#define selectChip_01() lcd_csa=0,lcd_csb=1;
14#define selectChip_10() lcd_csa=1,lcd_csb=0;
15#define selectChip_11() lcd_csa=1,lcd_csb=1;
16#endif
17
18
typedef enum
{
19
chipLeft = 0,
20 chipRight = 1
21
}bLcdChipSelect;
22
23typedef enum {
24 LCD_COMMAND = 0,
25 LCD_DATA = 1
26}bLcdSendType;
27
28typedef enum {
29 LCD_NO_BUSY = 0,
30 LCD_BUSY = 1
31}bLcdBusyFlag;
32
33typedef enum {
34 Chinese = 0,
35 OtherLetter = 1
36}bCharType;
37
38
39#define LCD_ON 0x3f
40#define LCD_OFF 0x3e
41
42// LCD_START_ROW | ROW (ROW = 0 ~ 63)
43#define LCD_START_ROW 0xc0
44#define MAX_ROW (64)
45
46// LCD_PAGE_SETUP | PAGE (PAGE = 0 ~ 7)
47#define LCD_PAGE_SETUP 0xB8
48#define MAX_PAGE (8)
49
50// Y_ADD_SETUP | add (add = 0 ~ 63)
51#define Y_ADD_SETUP 0x40
52#define MAX_COL (64)
53
54void clearLcd( void );
55void lcdDispBmp(uchar *pBmp);
56void lcdDispChinese( uchar pageStart,
57 uchar yStart,
58 uchar *pchar);
59
60#endif
61
62// ks0108.c
63#define uchar unsigned char
64#define uint unsigned int
65
66//=========================================
67#define lcdBus P2
68sbit lcd_csa = P0^0;
69sbit lcd_csb = P0^1;
70sbit lcd_rs = P0^2;
71sbit lcd_rw = P0^3;
72sbit lcd_e = P0^4;
73//=========================================
74
75static void waitBusy()
76{
77 lcd_rs = 0;
78 lcd_rw = 1;
79 lcdBus = 0xff;
80 lcd_e = 1;
81 while( lcdBus&0xff );
82 lcd_e = 0;
83}
84
85static void writeLcd( bLcdChipSelect chipSelect,
86 bLcdBusyFlag busy,
87 bLcdSendType style,
88 uchar input)
89{
90 if( !chipSelect )
91 selectChip_01()
92 else
93 selectChip_10()
94 if( busy )
95 waitBusy();
96 lcd_rs = style;
97 lcd_rw = 0;
98 lcdBus = input; _nop_();
99 lcd_e = 1; _nop_();
100 lcd_e = 0; _nop_();
101}
102
103static void initLcd( void )
104{
105 writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,LCD_START_ROW);
106 writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,LCD_START_ROW);
107
108 writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP);
109 writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP);
110
111 writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP);
112 writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP);
113
114 writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,LCD_OFF);
115 writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,LCD_OFF);
116}
117
118void clearLcd( void )
119{
120 uchar i,j;
121 initLcd();
122 for( i=0 ; i<MAX_PAGE ; i++ )
123
{
124 writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP|i);
125 writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP|i);
126
127 writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP|0x00);//AC add one automic
128 writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP|0x00);
129 for( j=0 ; j<MAX_COL ; j++ )
130 {
131 writeLcd(chipLeft,LCD_BUSY,LCD_DATA,0x00);
132 writeLcd(chipRight,LCD_BUSY,LCD_DATA,0x00);
133
}
134 }
135 writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,LCD_ON);
136 writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,LCD_ON);
137}
138
139void lcdDispChinese( uchar pageStart,
140 uchar yStart,
141 uchar *pchar)
142{
143 uchar i,index=0;
144 writeLcd(yStart/4,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP|pageStart);
145 writeLcd(yStart/4,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP|((yStart&3)*16));
146 for( i=0 ; i<16 ; i++ )
147 writeLcd(yStart/4,LCD_BUSY,LCD_DATA,pchar);
148 writeLcd(yStart/4,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP|pageStart+1);
149 writeLcd(yStart/4,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP|((yStart&3)*16));
150 for( i=0 ; i<16 ; i++ )
151 writeLcd(yStart/4,LCD_BUSY,LCD_DATA,pchar[i+16]);
152}
153
154
155void lcdDispBmp(uchar *pBmp)
156{
157 uchar pageCnter,colCnter;
158 uint index=0;
159 for( pageCnter=0 ; pageCnter<MAX_PAGE ; pageCnter++ )
160 {
161 writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP|pageCnter);
162 writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP|0x00);
163 for( colCnter=0 ; colCnter<MAX_COL ; colCnter++ )
164 writeLcd(chipLeft,LCD_BUSY,LCD_DATA,pBmp[index++]);
165 writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP|pageCnter);
166 writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP|0x00);
167 for( colCnter=0 ; colCnter<MAX_COL ; colCnter++ )
168 writeLcd(chipRight,LCD_BUSY,LCD_DATA,pBmp[index++]);
169 }
170}
LCD部分指令说明
显示模式：
指令码：00111000
功 能：设置16*2显示，5*7点阵，8位数据接口
显示开/关及光标设置
指令码：00001DCB
功 能：D=1，开显示，D=0，关显示
C="1"，显示光标，C=0，不显示光标
B="1"，光标闪烁，B=0，光标不闪烁
指令码：000001NS
功 能：N=1，当读或写一个字符后，地址指针加一，光标加一；N=0，当读或写一个字符后，地址指针减一，光标减一
S="1"，当读或写一个字符后，N=1，整屏显示左移一，N=0，整屏右移；S=0，不移动
数据指针设置：80H+地址码（0-27h,40-67h）
// ks0108.h2
// 代码参考其他代码后编写，受益非浅3
#ifndef __KS0108_h__4
#define __KS0108_h__5
6
#define uchar unsigned char7
#define uint unsigned int8
9
#define __MAPLCD128X64__10
11
#ifdef __MAPLCD128X64__12
#define selectChip_00() lcd_csa=0,lcd_csb=0;13
#define selectChip_01() lcd_csa=0,lcd_csb=1;14
#define selectChip_10() lcd_csa=1,lcd_csb=0;15
#define selectChip_11() lcd_csa=1,lcd_csb=1;16
#endif17
18
typedef enum{19
chipLeft = 0,20
chipRight = 121
}bLcdChipSelect;22
23
typedef enum {24
LCD_COMMAND = 0,25
LCD_DATA = 126
}bLcdSendType;27
28
typedef enum {29
LCD_NO_BUSY = 0,30
LCD_BUSY = 131
}bLcdBusyFlag;32
33
typedef enum {34
Chinese = 0,35
OtherLetter = 136
}bCharType;37
38
39
#define LCD_ON 0x3f40
#define LCD_OFF 0x3e41
42
// LCD_START_ROW | ROW (ROW = 0 ~ 63)43
#define LCD_START_ROW 0xc044
#define MAX_ROW (64)45
46
// LCD_PAGE_SETUP | PAGE (PAGE = 0 ~ 7)47
#define LCD_PAGE_SETUP 0xB848
#define MAX_PAGE (8)49
50
// Y_ADD_SETUP | add (add = 0 ~ 63)51
#define Y_ADD_SETUP 0x4052
#define MAX_COL (64)53
54
void clearLcd( void );55
void lcdDispBmp(uchar *pBmp);56
void lcdDispChinese( uchar pageStart,57
uchar yStart,58
uchar *pchar);59
60
#endif61
62
// ks0108.c63
#define uchar unsigned char64
#define uint unsigned int65
66
//=========================================67
#define lcdBus P268
sbit lcd_csa = P0^0;69
sbit lcd_csb = P0^1;70
sbit lcd_rs = P0^2;71
sbit lcd_rw = P0^3;72
sbit lcd_e = P0^4;73
//=========================================74
75
static void waitBusy()76
{77
lcd_rs = 0;78
lcd_rw = 1;79
lcdBus = 0xff;80
lcd_e = 1;81
while( lcdBus&0xff );82
lcd_e = 0;83
}84
85
static void writeLcd( bLcdChipSelect chipSelect,86
bLcdBusyFlag busy,87
bLcdSendType style,88
uchar input)89
{90
if( !chipSelect )91
selectChip_01()92
else93
selectChip_10()94
if( busy )95
waitBusy();96
lcd_rs = style;97
lcd_rw = 0;98
lcdBus = input; _nop_();99
lcd_e = 1; _nop_();100
lcd_e = 0; _nop_();101
}102
103
static void initLcd( void )104
{105
writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,LCD_START_ROW);106
writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,LCD_START_ROW);107
108
writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP);109
writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP);110
111
writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP);112
writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP);113
114
writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,LCD_OFF);115
writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,LCD_OFF);116
}117
118
void clearLcd( void )119
{120
uchar i,j;121
initLcd();122
for( i=0 ; i<MAX_PAGE ; i++ )123
{124
writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP|i);125
writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP|i);126
127
writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP|0x00);//AC add one automic128
writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP|0x00);129
for( j=0 ; j<MAX_COL ; j++ )130
{131
writeLcd(chipLeft,LCD_BUSY,LCD_DATA,0x00);132
writeLcd(chipRight,LCD_BUSY,LCD_DATA,0x00);133
}134
}135
writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,LCD_ON);136
writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,LCD_ON);137
}138
139
void lcdDispChinese( uchar pageStart,140
uchar yStart,141
uchar *pchar)142
{143
uchar i,index=0;144
writeLcd(yStart/4,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP|pageStart);145
writeLcd(yStart/4,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP|((yStart&3)*16));146
for( i=0 ; i<16 ; i++ )147
writeLcd(yStart/4,LCD_BUSY,LCD_DATA,pchar);148
writeLcd(yStart/4,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP|pageStart+1);149
writeLcd(yStart/4,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP|((yStart&3)*16));150
for( i=0 ; i<16 ; i++ )151
writeLcd(yStart/4,LCD_BUSY,LCD_DATA,pchar[i+16]);152
}153
154
155
void lcdDispBmp(uchar *pBmp)156
{157
uchar pageCnter,colCnter;158
uint index=0;159
for( pageCnter=0 ; pageCnter<MAX_PAGE ; pageCnter++ )160
{161
writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP|pageCnter);162
writeLcd(chipLeft,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP|0x00);163
for( colCnter=0 ; colCnter<MAX_COL ; colCnter++ )164
writeLcd(chipLeft,LCD_BUSY,LCD_DATA,pBmp[index++]);165
writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,LCD_PAGE_SETUP|pageCnter);166
writeLcd(chipRight,LCD_BUSY,LCD_COMMAND,Y_ADD_SETUP|0x00);167
for( colCnter=0 ; colCnter<MAX_COL ; colCnter++ )168
writeLcd(chipRight,LCD_BUSY,LCD_DATA,pBmp[index++]);169
}170
} 1//ST7920.h
2#define uchar unsigned char
3#define uint unsigned int
4
5#define lcdBus P2
6sbit lcd_rs = P0^7;
7sbit lcd_rw = P0^6;
8sbit lcd_e = P0^5;
9
10void checkBusy()
11{
12 lcd_rs = 0;
13 lcd_rw = 1;
14 lcd_e = 1;
15 lcdBus = 0xff;
16 while( (lcdBus&0x80)==0x80 );
17 lcd_e = 0;
18}
19
20void writeCommand(uchar com)
21{
22 checkBusy();
23 lcd_rs = 0;
24 lcd_rw = 0;
25 lcdBus = com;
26 lcd_e = 1;
27 delayus( 10 );
28 lcd_e = 0;
29 delayus( 10 );
30}
31
32void writeData(uchar dat)
33{
34 checkBusy();
35 lcd_rs = 1;
36 lcd_rw = 0;
37 lcdBus = dat;
38 lcd_e = 1;
39 delayus( 10 );
40 lcd_e = 0;
41 delayus( 10 );
42}
43
44void lcdReset()
45{
46 delayms( 40 );
47 writeCommand( 0x30 ); //0b0011x0xx 8-bit interface and basic instruction
48 delayus( 130 );
49 writeCommand( 0x30 ); //0b0011x0xx
50 delayus( 50 );
51 writeCommand( 0x0c ); //0b00001bcd display on/off control
52 delayus( 130 );
53 writeCommand( 0x01 ); //0b00000001 display clear
54 delayms( 12 );
55 writeCommand( 0x06 ); //0b000001(I/D)s entry mode set
56}
57
58void writeCGRAM(uchar addr,uchar *array) // 0<=addr<=3
59{
60 uchar i;
61 addr = addr<<4;
62 addr = addr|0x40;
63 writeCommand( 0x30 );
64 writeCommand( addr );
65 for( i=0 ; i<16 ; i++ )
66 {
67 writeData( array[i*2] );
68 writeData( array[i*2+1] );
69 }
70}
71
72void writeString(uchar line,uchar *str)
73{
74 uchar i;
75 switch( line )
76 {
77 case 0:
78 writeCommand(0x80);
79 break;
80 case 1:
81 writeCommand(0x90);
82 break;
83 case 2:
84 writeCommand(0x88);
85 break;
86 case 3:
87 writeCommand(0x98);
88 }
89 for( i=0 ; str ; i++ )
90 {
91 writeData(str);
92 delayus(100);
93 }
94}
95
96void writeBmp(uchar *img)
97{
98 uchar x,y,i;
99 uint j = 0;
100 for( i=0 ; i<9 ; i+=8 )
101 for( y=0 ; y<32 ; y++ )
102 for( x=0 ; x<8 ; x++ )
103 {
104 writeCommand(0x36);
105 writeCommand(y+0x80);
106 writeCommand(x+0x80+i);
107 writeCommand(0x30);
108 writeData(img[j++]);
109 writeData(img[j++]);
110 }
111}
代码部分参考其他人程序//ST7920.h2
#define uchar unsigned char3
#define uint unsigned int4
5
#define lcdBus P26
sbit lcd_rs = P0^7;7
sbit lcd_rw = P0^6;8
sbit lcd_e = P0^5;9
10
void checkBusy()11
{12
lcd_rs = 0;13
lcd_rw = 1;14
lcd_e = 1;15
lcdBus = 0xff;16
while( (lcdBus&0x80)==0x80 );17
lcd_e = 0;18
}19
20
void writeCommand(uchar com)21
{22
checkBusy();23
lcd_rs = 0;24
lcd_rw = 0;25
lcdBus = com;26
lcd_e = 1;27
delayus( 10 );28
lcd_e = 0;29
delayus( 10 );30
}31
32
void writeData(uchar dat)33
{34
checkBusy();35
lcd_rs = 1;36
lcd_rw = 0;37
lcdBus = dat;38
lcd_e = 1;39
delayus( 10 );40
lcd_e = 0;41
delayus( 10 );42
}43
44
void lcdReset()45
{46
delayms( 40 );47
writeCommand( 0x30 ); //0b0011x0xx 8-bit interface and basic instruction48
delayus( 130 );49
writeCommand( 0x30 ); //0b0011x0xx50
delayus( 50 );51
writeCommand( 0x0c ); //0b00001bcd display on/off control52
delayus( 130 );53
writeCommand( 0x01 ); //0b00000001 display clear54
delayms( 12 );55
writeCommand( 0x06 ); //0b000001(I/D)s entry mode set56
}57
58
void writeCGRAM(uchar addr,uchar *array) // 0<=addr<=359
{60
uchar i;61
addr = addr<<4;62
addr = addr|0x40;63
writeCommand( 0x30 );64
writeCommand( addr );65
for( i=0 ; i<16 ; i++ )66
{67
writeData( array[i*2] );68
writeData( array[i*2+1] );69
}70
}71
72
void writeString(uchar line,uchar *str)73
{74
uchar i;75
switch( line )76
{77
case 0:78
writeCommand(0x80);79
break;80
case 1:81
writeCommand(0x90);82
break;83
case 2:84
writeCommand(0x88);85
break;86
case 3:87
writeCommand(0x98);88
}89
for( i=0 ; str ; i++ )90
{91
writeData(str);92
delayus(100);93
}94
}95
96
void writeBmp(uchar *img)97
{98
uchar x,y,i;99
uint j = 0;100
for( i=0 ; i<9 ; i+=8 )101
for( y=0 ; y<32 ; y++ )102
for( x=0 ; x<8 ; x++ )103
{104
writeCommand(0x36);105
writeCommand(y+0x80);106
writeCommand(x+0x80+i);107
writeCommand(0x30);108
writeData(img[j++]);109
writeData(img[j++]);110
}111
}LCD部分指令说明
显示模式：
指令码：00111000
功 能：设置16*2显示，5*7点阵，8位数据接口
显示开/关及光标设置
指令码：00001DCB
功 能：D=1，开显示，D=0，关显示
C="1"，显示光标，C=0，不显示光标
B="1"，光标闪烁，B=0，光标不闪烁
指令码：000001NS
功 能：N=1，当读或写一个字符后，地址指针加一，光标加一；N=0，当读或写一个字符后，地址指针减一，光标减一
S="1"，当读或写一个字符后，N=1，整屏显示左移一，N=0，整屏右移；S=0，不移动
数据指针设置：80H+地址码（0-27h,40-67h）
1// LCD1602.h
2#define uchar unsigned char
3#define uint unsigned int
4
5sbit rs=P0^7;
6sbit rw=P0^6;
7sbit e =P0^5;
8#define dt P2
9
10static void delayus(uchar n)
11{
12 n = n>>1;
13 while( --n );
14}
15
16static void delayms(uchar n)
17{
18 while( n-- )
19 {
20 delayus( 250 );
21 delayus( 250 );
22 delayus( 250 );
23 delayus( 250 );
24 }
25}
26
27static readBusy()
28{
29 rs = 0;
30 rw = 1;
31 dt = 0xff;
32 e = 1; _nop_();
33 while( dt&0x80 );
34 e = 0; _nop_();
35}
36
37static void writeCommand(uchar com)
38{
39 readBusy();
40 rs = 0;
41 rw = 0;
42 dt = com;
43 e = 0; _nop_();
44 e = 1; _nop_();
45 e = 0;
46}
47
48static void writeData(uchar dat)
49{
50 readBusy();
51 rs = 1;
52 rw = 0;
53 dt = dat;
54 e = 0; _nop_();
55 e = 1; _nop_();
56 e = 0;
57}
58
59void showChar(uchar pos,uchar c)
60{
61 if( pos>=0x10 )
62 pos = pos+0xb0;//second line
63 else
64 pos = pos+0x80;//first line
65 writeCommand(pos);
66 writeData(c);
67}
68
69void showString(uchar line,char *ptr)
70{
71 uchar i;
72 if( line )
73 writeCommand(0xc0);
74 else
75 writeCommand(0x80);
76 for( i=0 ; ptr ; i++ )
77 writeData(ptr);
78}
79
80void initLcd()
81{
82 delayms(15);
83 writeCommand(0x38);
84 delayms(5);
85 writeCommand(0x38);
86 delayms(5);
87 writeCommand(0x38);
88 delayms(5);
89 writeCommand(0x38); //显示模式设置
90 writeCommand(0x08); //显示关闭
91 writeCommand(0x01); //显示清屏
92 writeCommand(0x06); //显示光标移动设置
93 delayms(5);
94 writeCommand(0x0c); //显示光标及开关设置
95}
// LCD1602.h2
#define uchar unsigned char3
#define uint unsigned int4
5
sbit rs=P0^7;6
sbit rw=P0^6;7
sbit e =P0^5;8
#define dt P29
10
static void delayus(uchar n)11
{12
n = n>>1;13
while( --n );14
}15
16
static void delayms(uchar n)17
{18
while( n-- )19
{20
delayus( 250 );21
delayus( 250 );22
delayus( 250 );23
delayus( 250 );24
}25
}26
27
static readBusy()28
{29
rs = 0;30
rw = 1;31
dt = 0xff;32
e = 1; _nop_();33
while( dt&0x80 );34
e = 0; _nop_();35
}36
37
static void writeCommand(uchar com)38
{39
readBusy();40
rs = 0;41
rw = 0;42
dt = com;43
e = 0; _nop_();44
e = 1; _nop_();45
e = 0;46
}47
48
static void writeData(uchar dat)49
{50
readBusy();51
rs = 1;52
rw = 0;53
dt = dat;54
e = 0; _nop_();55
e = 1; _nop_();56
e = 0;57
}58
59
void showChar(uchar pos,uchar c)60
{61
if( pos>=0x10 )62
pos = pos+0xb0;//second line63
else64
pos = pos+0x80;//first line65
writeCommand(pos);66
writeData(c);67
}68
69
void showString(uchar line,char *ptr)70
{71
uchar i;72
if( line )73
writeCommand(0xc0);74
else75
writeCommand(0x80);76
for( i=0 ; ptr ; i++ )77
writeData(ptr);78
}79
80
void initLcd()81
{82
delayms(15);83
writeCommand(0x38);84
delayms(5);85
writeCommand(0x38);86
delayms(5);87
writeCommand(0x38);88
delayms(5);89
writeCommand(0x38); //显示模式设置90
writeCommand(0x08); //显示关闭91
writeCommand(0x01); //显示清屏92
writeCommand(0x06); //显示光标移动设置93
delayms(5);94
writeCommand(0x0c); //显示光标及开关设置95
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