关于cog 12864 ST7565驱动液晶的问题 我崩溃了!
潜水多年从中学到不少东西,也本想做一些东西拿来与大家分享 可惜 因为工作,及自己能力问题 ,也迟迟没做出来一个自己能看顺眼的东西。更别说在这里穿两条裤子了,本想卧薪尝胆潜个七八年 ,然后再来个一鸣惊人,自己也至少有面子MARK MARK 几下,但可惜这次因为一个普通的12864 的问题我沉不住了,我迫不及待的要加入我们这个家庭了,突然对自己的人品感到疑惑了,学到东西的时候没见自己发布过多少东西,现在有问题到浮出来了、哎。。。。。。。这次还是坚挺一下同志们我来了!!
http://cache.amobbs.com/bbs_upload782111/files_42/ourdev_655955JSAUHB.jpg
(原文件名:LCD12864.jpg)
屏幕就是在taobao上面买的这一款,好坏到先不说了 ,不过体积到时不小
以下是 店里面的描述
控制器ST7565P资料下载:
http://www.lcdmk.com/tbpic/ST7565P.pdf
ST7565P应用笔记下载:
http://www.lcdmk.com/tbpic/ST7565.pdf
电容推荐接法,电容都可以用1uF,Ra、Rb根据显示效果调节:
引脚定义,排线朝下面对屏最右边为1脚:
1NC
2CS2
3RESET
4RS
5RW
6E
7DB0
8DB1
9DB2
10 DB3
11 DB4
12 DB5
13 DB6
14 DB7
15 VDD
16 VSS
17 VOUT C4+
18 C3+
19 C1-
20 C1+
21 C2+
22 C2-
23 V1
24 V2
25 V3
26 V4
27 V0
28 VR
29 NC
30 NC
演示程序:
#include
#include
#include //1100
#define VC_ON 0x2C //1010
#define VR_ON 0x2A
#define VF_ON 0x29 //1001
#define NOP _nop_();_nop_();_nop_();_nop_()
#define data P0
sbit CS =P2^7;
sbit RES =P2^6;
sbit RS =P2^5;
sbit RW =P2^4;
sbit Read =P2^3;
/******************************delay time***********************************/
void delay_ms(unsigned int ms)
{
unsigned int n ;
while(ms--)
{
n=86;
while(n--);
}
}
/****************************reset IC for start****************************/
void LCD_Reset()
{
IE=0x00;
RES =0;
delay_ms(50);
RES =1;
delay_ms(50);
}
/*******************************write data to IC**************************/
void w_dat(unsigned char dat)
{
data =dat;
NOP;
RS =1;
RW =0;
Read =1;
NOP;
CS =1;
_nop_();
CS =0;
}
/******************************write Command to IC***********************/
void w_cmd(unsigned char cmd)
{
data =cmd;
NOP;
RS =0;
RW =0;
Read =1;
NOP;
CS =1;
_nop_();
CS =0;
}
/***************************display picture *****************************/
void Display(unsigned char *p)
{
unsigned char page,column;
for(page=0xB7;page>=0xB0;page--)
{
w_cmd(page);//set page address
w_cmd(0x10);//set Column address MSB
w_cmd(0x00);//set column address LSB
for(column=0;column<128;column++)
{
w_dat(*p++);
}
}
}
void Display_fill(unsigned char fill)
{
unsigned char page,column;
for(page=0xB7;page>=0xB0;page--)
{
w_cmd(page);//set page address
w_cmd(0x10);//set Column address MSB
w_cmd(0x00);//set column address LSB
for(column=0;column<131;column++)
{
w_dat(fill);
}
}
}
void Grid_white()
{
unsigned char page,column;
for(page=0xB7;page>=0xB0;page--)
{
w_cmd(page);
w_cmd(0x10);
w_cmd(0x00);
for(column=0;column<65;column++)
{
w_dat(0xFF);
w_dat(0x00);
}
}
}
void Grid_Black()
{
unsigned char page,column;
for(page=0xB7;page>=0xB0;page--)
{
w_cmd(page);
w_cmd(0x10);
w_cmd(0x00);
for(column=0;column<65;column++)
{
w_dat(0x00);
w_dat(0xFF);
}
}
}
void Grid_Line1()
{
unsigned char page,column;
for(page=0xB7;page>=0xB0;page--)
{
w_cmd(page);
w_cmd(0x10);
w_cmd(0x00);
for(column=0;column<131;column++)
{
w_dat(0xAA);
}
}
}
void Grid_Line2()
{
unsigned char page,column;
for(page=0xB7;page>=0xB0;page--)
{
w_cmd(page);
w_cmd(0x10);
w_cmd(0x00);
for(column=0;column<131;column++)
{
w_dat(0x55);
}
}
}
void Init_IC()
{
CS=0;
P3=0xFF;
LCD_Reset();
w_cmd(0xA2); //LCD Bias selection(1/65 Duty,1/9Bias)
w_cmd(0xA0); //ADC selection(SEG0->SEG128)
w_cmd(0xC0); //SHL selection(COM0->COM64)
w_cmd(0x26); //Regulator Resistor Selection
delay_ms(5);
w_cmd(0x81); //Electronic Volume
w_cmd(0x8); //Reference Register selectionVo=(1+Rb/Ra)(1+a)*2.1=10
w_cmd(VC_ON); //Power Control(Vc=1;Vr=0;Vf=0)
delay_ms(10);
w_cmd(VC_ON|VR_ON);
delay_ms(10);
w_cmd(VC_ON|VR_ON|VF_ON);
delay_ms(10);
w_cmd(0xF8);
w_cmd(0x00);
delay_ms(5);
w_cmd(0xAF); //Display on
}
void main()
{
while(1)
{
Init_IC();
Display_fill(0xFF);
delay_ms(1000);
Grid_white();
delay_ms(1000);
Grid_Black();
delay_ms(1000);
Grid_Line1();
delay_ms(1000);
Grid_Line2();
delay_ms(1000);
Display_fill(0x00);
delay_ms(5); ;
Display(deep);
delay_ms(3000);
}
}
unsigned char code deep[] = {
0x00,0x00,0x00,0x00,0x0E,0x03,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x7C,0x23,0x1F,
0x00,0x00,0x01,0x01,0x03,0x00,0x00,0x00,
0x00,0x00,0x00,0x1F,0x07,0x06,0x06,0x06,
0x06,0x06,0x06,0x1F,0x31,0x0E,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0x3F,
0x00,0x00,0x00,0x00,0x7F,0x27,0x18,0x00,
0xFF,0x2E,0x10,0x01,0x03,0x00,0x00,0x00,
0x00,0x2F,0x39,0x05,0x0A,0x00,0x00,0x00,
0x7F,0x27,0x18,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x7F,0x37,0x0C,0x00,0x00,
0x00,0x03,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x17,0x38,0x07,0x0D,0x00,0x03,0x03,
0x03,0x03,0x03,0x03,0x0F,0x1E,0x01,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0xF0,0x8F,0x7F,
0x20,0x38,0x28,0x2F,0x29,0x28,0xEF,0xE9,
0x28,0x28,0x68,0x88,0x78,0x08,0x00,0x00,
0x00,0x00,0x00,0xFF,0xFD,0x05,0x05,0x05,
0x05,0x05,0x05,0xFD,0xFF,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,
0x03,0x77,0x70,0x60,0xFF,0xFF,0x60,0x60,
0xFF,0xFF,0x60,0xE0,0x20,0xE0,0x00,0x00,
0x00,0x55,0xFF,0x2A,0x00,0x00,0x00,0x00,
0xFF,0xFF,0x00,0x00,0x00,0x07,0x01,0x00,
0x00,0x00,0x00,0x00,0x00,0x30,0x38,0x30,
0x30,0x30,0x30,0xFF,0xFF,0x30,0x30,0x30,
0x70,0x90,0xF0,0x10,0x00,0x00,0x00,0x00,
0x00,0x75,0x8A,0x75,0x5A,0x00,0x80,0x80,
0x00,0x01,0x0E,0x71,0x9E,0xE0,0x80,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x0C,0x1B,0x06,0x01,0x00,0x03,
0x3F,0x00,0x7F,0x9F,0x60,0x81,0xFE,0x3F,
0xC3,0x03,0x1F,0x14,0x03,0x00,0x00,0x00,
0x00,0x00,0x00,0xDF,0xFE,0x02,0x02,0x02,
0x02,0x02,0x02,0xFE,0xFF,0x00,0x00,0x00,
0x00,0x00,0x80,0xE0,0xC0,0xC7,0xF8,0xFF,
0xC0,0xC0,0x40,0x7F,0xDF,0xD8,0x18,0x18,
0xD8,0x98,0x7F,0x1E,0x00,0x00,0x04,0x07,
0x06,0x56,0xFF,0x86,0x16,0xBE,0xE2,0xC0,
0xFF,0xFF,0xC0,0xC0,0xC0,0xFF,0x7F,0x80,
0x00,0x00,0x00,0x38,0x28,0x28,0x28,0x28,
0x2B,0x29,0x28,0xE8,0xE8,0x2F,0x29,0x28,
0x28,0x28,0x2B,0xCD,0x36,0x0C,0x00,0x0C,
0x0E,0x7D,0x8A,0x65,0xBE,0x7C,0x14,0x05,
0x3F,0xD8,0x60,0xA0,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0xC0,0x3E,0xFF,0x03,0xFF,
0x81,0x1E,0xF3,0xCC,0x03,0xFE,0x78,0x9F,
0x02,0x11,0xFE,0xAB,0x00,0x00,0x00,0x00,
0x07,0x02,0x00,0xF8,0xF8,0x87,0x81,0x80,
0x80,0x83,0x80,0xF0,0x20,0xC0,0x03,0x07,
0x00,0x00,0x00,0x00,0x0F,0xF1,0x0F,0xFF,
0x7F,0x0F,0x00,0xFF,0xEF,0x28,0x28,0x28,
0x28,0x28,0xEF,0xFB,0x00,0x00,0x00,0x00,
0x00,0xAA,0xFF,0xAA,0x00,0x00,0x00,0x00,
0xFF,0xFF,0x00,0x00,0x00,0xFF,0xFF,0x03,
0x00,0x00,0x00,0x00,0x00,0x03,0x01,0x00,
0xE0,0x9F,0x7F,0x00,0x00,0xFF,0x7F,0x80,
0x00,0x70,0xF0,0x80,0x00,0x00,0x00,0x00,
0x00,0x55,0xAA,0x55,0x96,0x20,0xEC,0xD8,
0x37,0x38,0x3D,0x33,0x3C,0x3F,0x30,0xDF,
0x3F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xFF,
0xFC,0x60,0xFF,0x03,0xFC,0xE0,0x7F,0xC1,
0x3C,0xFE,0x3B,0x80,0x00,0x00,0x00,0x00,
0x6A,0xFF,0xC1,0xC0,0xC0,0xFF,0xBF,0x40,
0x00,0xFF,0xFF,0xC0,0xC0,0xC0,0xFF,0x9F,
0x60,0x00,0x00,0x1F,0xFF,0xE0,0xFF,0xFF,
0xC0,0xF0,0x00,0xFF,0xFE,0x30,0x3F,0x3F,
0x30,0x31,0xFF,0xFC,0x00,0x00,0x00,0x00,
0x00,0xAA,0xFF,0xB2,0x20,0x38,0x30,0x30,
0xFF,0xFF,0x3F,0x33,0x30,0xF0,0xF0,0x90,
0xF0,0x10,0x00,0x00,0x00,0x80,0x7C,0xC3,
0x3F,0x00,0x80,0x00,0x01,0xFF,0xFC,0x00,
0x00,0x00,0x00,0x01,0x03,0x00,0x00,0x00,
0x00,0x55,0xAA,0x4A,0xB5,0x03,0x06,0x0F,
0xF1,0x7E,0x80,0xF7,0x7F,0x80,0x07,0xF8,
0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x3C,0x17,0xF0,0xFF,0xC0,
0x00,0x00,0xFF,0x80,0x00,0x00,0xE0,0xFF,
0xFF,0x7C,0x80,0x00,0x00,0x00,0x00,0x00,
0xDA,0xFF,0x1C,0x18,0x18,0xFF,0xFF,0x00,
0x00,0xFF,0xFF,0x18,0x18,0x18,0xFF,0xFF,
0x00,0x00,0x3C,0xF0,0xC0,0x00,0xFF,0xFF,
0x10,0x1C,0x18,0x18,0x18,0x1F,0xF3,0xFF,
0x1B,0x18,0x18,0x78,0xC8,0x38,0x01,0x03,
0x04,0xAD,0xFA,0xA6,0x28,0x58,0x60,0x1F,
0xEF,0xF0,0xFC,0xFB,0x07,0x00,0x00,0x00,
0x00,0x00,0x20,0x38,0x30,0x30,0x30,0xF0,
0xB0,0x30,0x30,0x37,0xF9,0xFE,0x30,0x30,
0x30,0x30,0x30,0xF0,0xF0,0x10,0x00,0x01,
0x06,0x58,0xA7,0x1C,0xF1,0xC2,0x17,0x7C,
0xC0,0x0F,0xF3,0x3C,0xC0,0x00,0xFF,0x07,
0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0xFF,0x00,0xFF,0x00,
0x00,0x00,0xFF,0x00,0x00,0x07,0x39,0xDE,
0xE8,0x67,0x11,0x0C,0x03,0x01,0x00,0x00,
0xAA,0xFF,0x23,0x03,0x03,0xFF,0xFF,0x00,
0x00,0xFF,0xFF,0x03,0x03,0x03,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,
0x00,0x00,0x00,0x03,0x1F,0xEC,0xF0,0x80,
0xFC,0x33,0x0E,0x01,0x01,0x00,0x60,0x90,
0x50,0xA0,0x80,0x00,0x03,0x1D,0xE6,0x78,
0x80,0x00,0x00,0xC0,0x38,0xE7,0x18,0x06,
0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x03,0x1F,0x6C,0xB0,0xC0,0xC0,0xB0,0x48,
0x46,0x31,0x08,0x07,0x01,0x00,0x00,0xD0,
0x78,0xA0,0x80,0x40,0xB0,0xE0,0x80,0x07,
0x7E,0xB0,0xC7,0x02,0x02,0x03,0xFE,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0xE0,0x10,0xF0,0x00,
0x00,0x7C,0xE8,0x1C,0x70,0xE0,0x80,0x00,
0x00,0x00,0xC0,0x30,0xD0,0x40,0x00,0x00,
0xD8,0xE8,0x00,0x00,0x00,0xF0,0xC0,0x00,
0x00,0xF8,0xE0,0x00,0x00,0x00,0xF0,0xF0,
0x00,0x00,0x00,0x00,0x00,0x00,0xFC,0xF8,
0x14,0x38,0xF0,0xC0,0x00,0x00,0x00,0x00,
0x00,0x40,0xE0,0x10,0x38,0xC0,0x00,0x00,
0x00,0x08,0x38,0xA0,0x40,0x80,0x80,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0xE0,0x18,
0x60,0xC0,0x00,0x1C,0x18,0x30,0x70,0xB0,
0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x80,0x60,0x18,0xF8,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x28,0x38,0xC0,0x80,
0x00,0x00,0x00,0x80,0x78,0x0C,0x70,0x80,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};
我用的是MSP430F149的单片机 程序其实都是更上面差不多
只不过是定义了IO口的开关设置
http://cache.amobbs.com/bbs_upload782111/files_42/ourdev_655965J4CGGW.jpg
(原文件名:电路图.jpg)
#define LCD_CS_OUT() P2DIR |= BIT3; //p4.0 SEL 输出方式
#define LCD_CS_ON() P2OUT |= BIT3;//P4.0输出1
#define LCD_CS_OFF() P2OUT &=~BIT3; //P4.0 输出0\
#define LCD_RST_OUT() P2DIR |= BIT4; //p4.0 SEL 输出方式
#define LCD_RST_ON() P2OUT |= BIT4;//P4.0输出1
#define LCD_RST_OFF() P2OUT &=~BIT4; //P4.0 输出0\
#define LCD_RS_OUT() P2DIR |= BIT5; //p4.0 SEL 输出方式
#define LCD_RS_ON() P2OUT |= BIT5;//P4.0输出1
#define LCD_RS_OFF() P2OUT &=~BIT5; //P4.0 输出0\
#define LCD_RW_OUT() P2DIR |= BIT6; //p4.0 SEL 输出方式
#define LCD_RW_ON() P2OUT |= BIT6;//P4.0输出1
#define LCD_RW_OFF() P2OUT &=~BIT6; //P4.0 输出0\
#define LCD_READ_OUT() P2DIR |= BIT7; //p4.0 SEL 输出方式
#define LCD_READ_ON() P2OUT |= BIT7;//P4.0输出1
#define LCD_READ_OFF() P2OUT &=~BIT7; //P4.0 输出0\
#define LCD_DAT_OUT() P4DIR |=0XFF;
#define LCD_OUT (P4OUT)
#define LCD_DAT_IN() P4DIR&=~0XFF;
#define LCD_IN (P4IN)
可是现在屏幕一点反应都没有 同志们到底是哪里的问题啊 希望有用过的大哥帮我看看!2个星期了都一点反应都没有 疯了! 有时候你严格按照datasheet你就错了。。。 你会51吗,会的话,我给你个汇编的,7565控制器通用,
以下是显示一行汉字的程序,汇编的,串行方式
XPOSEQU 20H;页地址;
YPOSEQU 21H;列地址
HZ_NUM EQU 22H;
;======================点阵接口定义=================================
LCD_DATABIT P1.3 ;液晶数据接口
LCD_SCL BIT P1.2; 串行时钟接口;
LCD_AO BIT P1.1 ;液晶数据指令选择
LCD_RST BIT P1.0 ;液晶复位RST
ORG 0000H;
JMP START;
ORG 0030H;
START:
LCALL LCD_INIT;
LCALL CLR_LCD;
;============第一行显示8个汉字==================================
MOV XPOS,#0;范围:0-7对应1-8页;
MOV YPOS,#0;范围:0-127;对应1-128列
MOV HZ_NUM,#8;显示汉字数;
MOV DPTR,#HZ_TAB;载入汉字点阵数据首址
LCALL HZ_PLAY;
JMP $
;======16*16点阵数据发送程序===============================================
;纵向取模,字节倒序方式
HZ_PLAY:
;MOV XPOS,#0;范围:0-7对应1-8页;
;MOV YPOS,#0;范围:0-127;对应1-128列
;MOV HZ_NUM,#8;显示汉字数;
;MOV DPTR,#HZ_TAB;载入汉字点阵数据首址
HZ:CALL POS_SEND; 定位页列坐标
MOV R3,#2;一个汉字分上下部分
HZ1: MOV R2,#16;一部分16个数据
HZ2: CLR A;
MOVC A,@A+DPTR;;
LCALL W_LCD_DAT;
INC DPTR;
INC YPOS;同步跟踪列地址,用于发送多个汉字时调整列地址;
DJNZ R2,HZ2; 等待半个汉字数据发送完
;=========修改行,列=======================
DJNZ R3,HZ3;显示完一个汉字?
JMP HZ4;
HZ3: INC XPOS;
MOV A,YPOS;
SUBB A,#16;
MOV YPOS,A;
CALL POS_SEND;
JMP HZ1;继续发送下半部分汉字数据
HZ4: DJNZ HZ_NUM,HZ5;汉字数显示完成
RET;
HZ5: DEC XPOS;
CALL POS_SEND;
JMP HZ;
;=============行列调整发送===================
;先发送页地址;再发送列高4位地址;接着发送列第四位地址;
POS_SEND:
MOV A,XPOS;
ADD A,#0B0H;
CALL W_LCD_COM;
MOV A,YPOS;
PUSH ACC;
ANL A,#11110000B;屏蔽低位列地址;
SWAP A;
ADD A,#10H;
CALL W_LCD_COM;
POP ACC;
ANL A,#00001111B;屏蔽高位列地址;
CALL W_LCD_COM;
RET;
;===================写液晶控制命令=====================
;串行方式,高位在前,下降沿输入。
W_LCD_COM:
CLR LCD_AO ;写的是命令;
MOV R4,#8;
SEND_COM: ;
CLR C;
RLC A;
MOV LCD_DATA,C;
CLR LCD_SCL;
SETB LCD_SCL;
DJNZ R4,SEND_COM;
RET
;====================写液晶数据=========================
;串行方式,高位在前,下降沿输入。
W_LCD_DAT:
SETB LCD_AO; 写的是数据;
MOV R4,#8;
SEND_DAT: ;
CLR C;
RLC A;
MOV LCD_DATA,C;
CLR LCD_SCL;
SETB LCD_SCL;
DJNZ R4,SEND_DAT;
RET
;================初始化=========================================
LCD_INIT:
CLR LCD_RST
NOP
NOP
SETB LCD_RST
MOV A,#0E2H ;复位;
ACALL W_LCD_COM;
MOV A,#0AFH ;0AEH/0AFH 关/开液晶显示
CALL W_LCD_COM
MOV A,#0A2H ;0A2H/0A3H (1/9)/(1/7) LCD偏压比率设置
CALL W_LCD_COM
MOV A,#23H ;20H-27H V5电压调整器的内部电阻比设置
CALL W_LCD_COM
MOV A,#81H ;可编程电压调整模式设置
CALL W_LCD_COM
MOV A,#30H ;0H-3FH 电压调整模设置寄存器指令数据V5小-大
CALL W_LCD_COM
MOV A,#0D2H ;驱动模式设置
CALL W_LCD_COM
MOV A,#0 ;0C0H/0/40H/80H 1/2/3/4 模式选择寄存器设置
CALL W_LCD_COM
MOV A,#2FH ;28H/2CH/2EH/2FH;电源电路功能
CALL W_LCD_COM ;推进电路/电压调节电路/电压跟随电路
MOV A,#0C0H ;0C0H/0C8H 行输出模式选择正向/反向
CALL W_LCD_COM
MOV A,#0A0H ;0A0H/0A1H 列地址方向选择
CALL W_LCD_COM
MOV A,#0A4H ;0A4H/0A5H 全屏正常显示/全点亮指令
CALL W_LCD_COM
MOV A,#0A6H ;0A6H/0A7H 正相反相显示控制指令,RAM中数据不变
CALL W_LCD_COM
;MOV A,#0ACH ;0ACH/0ADH OFF/ON 静态指示器控制指令
;CALL W_LCD_COM
;MOV A,#0H ;0/1/2/3
;CALL W_LCD_COM
;MOV A,#0B0H ;0B0-0B8H 设置显示起始页地址
;CALL W_LCD_COM
;MOV A,#40H ;40H-7FH 设置显示起始行对应RAM行号
;CALL W_LCD_COM
RET
;====================清屏====================================
CLR_LCD:MOV R0,#8
D1: MOV A,#0B0H-1
ADD A,R0
CALL W_LCD_COM;写液晶控制命令
MOV A,#00H;;;;;;;;;列低四位;
CALL W_LCD_COM;写液晶控制命令
MOV A,#10H;液晶Y地址控制指令+10H;列高四位;
CALL W_LCD_COM;写液晶控制命令
MOV R1,#128
D2: MOV A,#00H;
CALL W_LCD_DAT;写液晶数据
DJNZ R1,D2
DJNZ R0,D1
RET
HZ_TAB:
;想显示什么自己加吧
END
用的字幕提取软件:zimo221
http://cache.amobbs.com/bbs_upload782111/files_42/ourdev_656056AX580E.jpg
(原文件名:字模.jpg) 都是牛人,还用汇编.好佩服 加我QQ吧,我这有完整的程序。还有硬件电路。
1143946234 mark 点亮了么???关注下 mark~~~ 我也遇到问题了,显示对比度不稳;一会儿亮一会儿暗,没有找到解决的办法,有大侠指点吗?{:mad:} 我最近在用树莓派驱动ST7565的液晶。这个液晶的取模方式有点奇怪。 brahen 发表于 2011-7-8 20:49
有时候你严格按照datasheet你就错了。。。
这位大侠你应该说严格按中文的datasheet就错了,英文原厂很少有错误。 我的液晶在做光标的时候,到现在还没解决好,现在都2个星期过去了,我好郁闷, 我现在想在上面加个光标, 而且按键可以控制的!不知道君可否提供一下 思路!
我现在想在上面加个光标
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