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整理下前陣子的心得，ST7529和ST7586S的驅動體會。驅動IC的PDF文檔網上都能搜索到。
單片機都是AVR 的MEGA64A
點上土匪頭像，98*98像素。吟濕一首，好濕啊好濕

//PIN7-PIN14 ---> DB0-DB7--->PF0-PF7

//PIN16 LED-K ---> PA7

//PIN15 /RST ---> PD4

//PIN6 /RD ---> PA3

//PIN5 /WD ---> PA4

//PIN4 RS ---> PA5

//PIN3 /CS ---> PA6

#define DATA_IO_INIT() {DDRF=0xFF;PORTF=0x00;}

#define LCD_RST_ON() {DDRD|=BIT(4);PORTD&=~BIT(4);}

#define LCD_RST_OFF() {DDRD|=BIT(4);PORTD|=BIT(4);}

#define LCD_RS_LOW_COMMAND() {DDRA|=BIT(5);PORTA&=~BIT(5);}

#define LCD_RS_HIGH_DATA() {DDRA|=BIT(5);PORTA|=BIT(5);}

#define LCD_RD_LOW() {DDRA|=BIT(3);PORTA&=~BIT(3);}

#define LCD_RD_HIGH() {DDRA|=BIT(3);PORTA|=BIT(3);}

#define LCD_WR_LOW() {DDRA|=BIT(4);PORTA&=~BIT(4);}

#define LCD_WR_HIGH() {DDRA|=BIT(4);PORTA|=BIT(4);}

#define LCD_CS_LOW_ON() {DDRA|=BIT(6);PORTA&=~BIT(6);}

#define LCD_CS_HIGH_OFF() {DDRA|=BIT(6);PORTA|=BIT(6);}

#define LCD_LED_ON() {DDRA|=BIT(7);PORTA|=BIT(7);}

#define LCD_LED_OFF() {DDRA|=BIT(7);PORTA&=~BIT(7);}

/**************************************************************

EXPLAIN: DEFINE FOR ST7529 DRIVER

***************************************************************/

#define EXT_IN 0x30 //(P=0 )Ext=0 Set

#define EXT_OUT 0x31 //(P=0 )Ext=1 Set

#define DISON 0xaf //(P=0 )Display On

#define DISOFF 0xae //(P=0 )Display Off

#define DISNOR 0xa6 //(P=0 )Normal Display

#define DISINV 0xa7 //(P=0 )Inverse Display

#define COMSCN 0xbb //(P=1 )COM Scan Direction

#define DISCTRL 0xca //(P=3 )Display Control

#define SLPIN 0x95 //(P=0 )Sleep In

#define SLPOUT 0x94 //(P=0 )Sleep Out

#define LASET 0x75 //(P=2 )Line Address Set

#define CASET 0x15 //(P=2 )Column Address Set

#define DATSDR 0xbc //(P=3 )Data Scan Direction

#define RAMWR 0x5c //(P=N )Writing to Memory

#define RAMRD 0x5d //(P=N )Reading from Memory

#define PTLIN 0xa8 //(P=2 )Partial display in

#define PTLOUT 0xa9 //(P=0 )Partial display out

#define RMWIN 0xe0 //(P=0 )Read and Modify Write

#define RMWOUT 0xee //(P=0 )RMW end

#define ASCSET 0xaa //(P=4 )Area Scroll Set

#define SCSTART 0xab //(P=1 )Scroll Start Set

#define OSCON 0xd1 //(P=0 )Internal OSC on

#define OSCOFF 0xd2 //(P=0 )Internal OSC off

#define PWRCTRL 0x20 //(P=1 )Power Control

#define VOLCTRL 0x81 //(P=2 )EC control

#define VOLUP 0xd6 //(P=0 )EC increase 1

#define VOLDOWN 0xd7 //(P=0 )EC decrease 1

#define RESERVED 0x82 //(P=0 )Not Use

#define EPSRRD1 0x7c //(P=0 )READ Register1

#define EPSRRD2 0x7d //(P=0 )READ Register2

//#define NOP 0x25 //(P=0 )NOP Instruction

//#define STREAD //(P=0 )Status Read

#define EPINT 0x07 //(P=1 )Initial code(1)

//Ext =1

#define GRAY1SET 0x20 //(P=16)FRAME 1 Gray PWM Set

#define GRAY2SET 0x21 //(P=16)FRAME 2 Gray PWM Set

#define ANASET 0x32 //(P=3 )Analog Circuit Set

#define SWINT 0x34 //(P=0 )Software Initial

#define EPCTIN 0xcd //(P=1 )Control EEPROM

#define EPCOUT 0xcc //(P=0 )Cancel EEPROM

#define EPMWR 0xfc //(P=0 )Write to EEPROM

#define EPMRD 0xfd //(P=0 )Read from EEPROM

//*****************************************

//*****************************

#define LCM_SEG_MAX 255

#define LCM_COM_MAX 160

#define LCM_PAG_MAX 9

#define LCM_SEG_USE 240

#define LCM_COM_USE 160

#define LCM_PAG_USE 8

#define LCM_RATIO 1

#define LCM_VOP 2

#define LCM_STR_COM 0

#define LCM_STR_SEG 4

#define LCM_STR_PAG 0

#define LCM_COM_DIR 1 //0表示反向掃描，1表示正向掃描

#define LCM_SEG_DIR 1 //0表示反向掃描，1表示正向掃描

/*****************************要顯示的數據取模方式****************************/

/*從第一行開始向右，取8個點作為一個字節，然后從第二行開始向右

取8個點作為第二個字節...依此類推。如果最后不足8個點就補滿8位。

取模順序是從高到低，即第一個點作為最高位。如*-------取為10000000*/

//行列式，順位，高位在前
//就舉一個，用取模軟件自己比對吧

const uchar Image24_ceng[]=

{0x00,0x00,0x01,0x00,0x00,0x08,0x0F,0x0A,0x09,0x08,0x08,0x08,0x0F,0x00,0x02,0x03,0x02,0x02,0x03,0x02,0x02,0x03,0x02,0x00,

0x00,0x00,0x01,0xC1,0xC2,0x04,0xFB,0x18,0x99,0x99,0x9A,0x1C,0xE3,0x00,0x00,0xFF,0x00,0x00,0xFF,0x00,0x00,0xFF,0x00,0x00,

0x00,0x00,0x80,0x00,0x00,0x18,0xF0,0x90,0x90,0x10,0x10,0x10,0xF0,0x00,0xC0,0x40,0x40,0x40,0xC0,0x40,0x40,0xC0,0x40,0x00};/*"曾",0*/

/*******************************LCD寫命令**********************************/

void LCD_Cmd_Write(unsigned char cmd)

{

LCD_RS_LOW_COMMAND();

LCD_RD_HIGH();

/*LCD_ChkBusy();*/ //Call LCD_ChkBusy to Check Busy Bit

LCD_WR_LOW();

NOP();

DDRF = 0xFF;

PORTF = cmd;

LCD_CS_LOW_ON();

NOP();

LCD_WR_HIGH();

Some_NOP(3);

LCD_CS_HIGH_OFF();

}

/*****************************LCD寫數據**********************************/

void LCD_Data_Write(unsigned char data)

{

/*LCD_ChkBusy(); */ //Call LCD_ChkBusy to Check Busy Bit

DDRF = 0xFF;

LCD_RS_HIGH_DATA();

LCD_RD_HIGH();

PORTF = data;

LCD_WR_LOW();

NOP();

LCD_CS_LOW_ON();

NOP()

NOP();

LCD_WR_HIGH();

Some_NOP(3);

LCD_CS_HIGH_OFF();

}

/***********************LCD讀數據*******************************/

unsigned char LCD_Data_Read(void)

{

unsigned char data_m=0;

DDRF = 0x00; //讀出

LCD_RS_HIGH_DATA();

LCD_RD_HIGH();

LCD_WR_LOW();

NOP();

LCD_CS_LOW_ON();

NOP();

LCD_WR_HIGH();

NOP();

LCD_RD_LOW();

NOP();

data_m = PINF;

LCD_RD_HIGH();

NOP();

return data_m;

}

/**********************************設置XY坐標*********************************/

/******************X<159,Y<84*****************************/

void Set_Address(uchar ucXpos1,uchar ucXpos2,uchar ucYpos1,uchar ucYpos2)

{

LCD_Cmd_Write(EXT_IN); //EXT=0

LCD_Cmd_Write(LASET); //THIRD COMMAND SET LINE ADDRESS

LCD_Data_Write(ucYpos1); //START LINE

LCD_Data_Write(ucYpos2); //END LINE

LCD_Cmd_Write(CASET); //THIRD COMMAND SET COLUMN ADDRESS

LCD_Data_Write(ucXpos1); //START COLUMN

LCD_Data_Write(ucXpos2); //END COLUMN

}

/**************************LCD的點測試程序***********************************/

/*******************y_line[0,159],x_column[0,83]**************************/

void LCD_Clear_RAM(uchar start_x,uchar end_x,uchar start_y,uchar end_y)

{

unsigned int i,j;

Set_Address(start_x,end_x,start_y,end_y);

LCD_Cmd_Write(RAMWR); //DATA WRITE

j = (end_x-start_x+1)*(end_y-start_y+1);

for(i=0;i<=j;i++)

{

LCD_Data_Write(0);

}

/****在坐標XY處開始寫入1個點的數據，并且保持處于這列中的其它兩個值不變*********/

void Write_XY(uchar ucXpos,uchar ucYpos,uchar ucData)

{

unsigned char i=0,l=0,j=0;

unsigned char ucMem=0;

unsigned char ucData1,ucData2,ucData3,ucCol=0,ucSet=0;

unsigned int uiCount=0;

ucCol = ucYpos/3;//得到Y軸上的列，一些寫一個列，一個列里包含3個數據

ucSet = ucYpos%3;//得到塊上3個點中的一個

Set_Address(ucCol,80,ucXpos,159); //因為選擇了行不變，而列由3個豎條小列組成，所以一次要寫3個點

LCD_Cmd_Write(RAMRD); //從RAM內讀坐標的值

LCD_Data_Read(); //空讀一個頭數據

ucData1 = LCD_Data_Read(); //讀取原來的3個點的值

ucData2 = LCD_Data_Read();

ucData3 = LCD_Data_Read();

Set_Address(ucXpos,159,ucCol,83); //在指定坐標的RAM內寫入顯示值

LCD_Cmd_Write(RAMWR);

switch(ucSet)

{

case 0:

ucData1 = ucData;

//ucData2=0x00;

//ucData3=0x00;

break;

case 1:

//ucData1=0x00;

ucData2 = ucData;

//ucData3=0x00;

break;

case 2:

//ucData1=0x00;

//ucData2=0x00;

ucData3 = ucData;

break;

}

LCD_Data_Write(ucData1); //寫入新點的值，并且保持原來兩個點的值不變

LCD_Data_Write(ucData2);

LCD_Data_Write(ucData3);

}

/*******************24*24圖片顯示***************************/

void Image24_Disp(uchar x,uchar y,const uchar *img)

{

uint p;

uchar i,j,k,data;

LCD_Cmd_Write(0x30);

LCD_Cmd_Write(CASET);

LCD_Data_Write(x);

LCD_Data_Write(x+7);

LCD_Cmd_Write(LASET);

LCD_Data_Write(y);

LCD_Data_Write(y+24);

LCD_Cmd_Write(RAMWR);

for(i=0;i<24;i++)

{

k = img[i];

for(j=0;j<8;j++)//第一個8列字節數據

{

if(k&0x80)

{

data = 0xFF;

}

else

{

data = 0;

}

LCD_Data_Write(data);

k = k<<1;

}

k = img[i+24];//第2個8列字節數據

for(j=0;j<8;j++)

{

if(k&0x80)

{

data = 0xFF;

}

else

{

data = 0;

}

LCD_Data_Write(data);

k = k<<1;

}

k = img[i+48];//第3個8列字節數據

for(j=0;j<8;j++)

{

if(k&0x80)

{

data = 0xFF;

}

else

{

data = 0;

}

LCD_Data_Write(data);

k = k<<1;

}

/*******************16*16圖片顯示***************************/

void Image_Disp(uchar x,uchar y,const uchar *img,uchar column,uchar line)

{

uint p;

uchar i,j,k,data;

LCD_Cmd_Write(0x30);

LCD_Cmd_Write(CASET);

LCD_Data_Write(x);

LCD_Data_Write(x+5);

LCD_Cmd_Write(LASET);

LCD_Data_Write(y);

LCD_Data_Write(y+16);

LCD_Cmd_Write(RAMWR);

for(i=0;i<16;i++)

{

k = img[i];

for(j=0;j<8;j++)//第一個8列字節數據

{

if(k&0x80)

{

data = 0xFF;

}

else

{

data = 0;

}

LCD_Data_Write(data);

k = k<<1;

}

k = img[i+16];//第2個8列字節數據

for(j=0;j<8;j++)

{

if(k&0x80)

{

data = 0xFF;

}

else

{

data = 0;

}

LCD_Data_Write(data);

k = k<<1;

}

LCD_Data_Write(0);//余下的兩列

LCD_Data_Write(0);

}

void Read_LCD_EEPROM(void)

{

LCD_Cmd_Write(EXT_IN); // Ext = 0

LCD_Cmd_Write(EPINT); // Initial code (1)

LCD_Data_Write(0x19);

LCD_Cmd_Write(EXT_OUT); // Ext = 1

LCD_Cmd_Write(EPCTIN); // EEPROM ON

LCD_Data_Write(0x00); // Entry "Read Mode"

Delay_ms(95); // Waite for EEPROM Operation ( 100ms )

LCD_Cmd_Write(EPMRD); // Start EEPROM Reading Operation

Delay_ms(95); // Waite for EEPROM Operation ( 100ms )

LCD_Cmd_Write(EPCOUT); // Exist EEPORM Mode

LCD_Cmd_Write(EXT_IN); // Ext = 0

}

//********************************

//Funtion:

//Parameter:

//********************************

void Write_LCD_EEPROM(void)

{

LCD_Cmd_Write(EXT_IN); // Ext = 0

LCD_Cmd_Write(DISOFF); // Display OFF

LCD_Cmd_Write(EPINT); // Initial code(1)

LCD_Data_Write(0x19);

LCD_Cmd_Write(EXT_OUT); // Ext = 1

LCD_Cmd_Write(EPCTIN); // EEPROM ON

LCD_Data_Write(0x20); // Entry "Write Mode"

Delay_ms(95); // Waite for EEPROM Operation ( 100ms )

LCD_Cmd_Write(EPMWR); // Start EEPROM Writing Operation

Delay_ms(95); // Waite for EEPROM Operation ( 100ms )

LCD_Cmd_Write(EPCOUT); // Exist EEPROM Mode

LCD_Cmd_Write(EXT_IN); // Ext = 0

LCD_Cmd_Write(DISON); // Display ON

}

/**********************LCD復位程序********************/

void LCD_Reset(void )

{

LCD_RST_OFF();

Delay_ms(1);

LCD_RST_ON();

Delay_us(10);

LCD_RST_OFF();

Delay_ms(1);

}

/*************************LCD初始化***********************/

void LCD_Init(void)

{

LCD_Reset();

LCD_Cmd_Write(EXT_IN); // EXT=0,0X30

LCD_Cmd_Write(SLPOUT); // SLPOUT=0x94,SLEEP OUT

LCD_Cmd_Write(OSCON); // OSCON=0xD1,INTERNAL OSCILLATION ON

Delay_ms(1);

LCD_Cmd_Write(PWRCTRL); // PWRCTRL=0x20,POWER CONTROL SET

LCD_Data_Write(0x08); // TURN ON BOOSTER AND REFERENCE VOLTAGE GENERATION CIRCUIT ;0bh

Delay_ms(2);

LCD_Cmd_Write(PWRCTRL); // PWRCTRL=0x20,POWER CONTROL SET

LCD_Data_Write(0x0B); // TURN ON BOOSTER AND REFERENCE VOLTAGE GENERATION CIRCUIT ;0bh

LCD_Cmd_Write(DISCTRL); // DISCTRL=0xCA,DISPLAY CONTROL

LCD_Data_Write(0X04); // CL DIVIDING RATIO ,F1 AND F2 DRIVE PATTERN

LCD_Data_Write(0X27); // DIVER DUTY,160

LCD_Data_Write(0X00); // FR INVERSE-SET VALUE

LCD_Cmd_Write(COMSCN); // COMSCN=0xBB,C0M0-->COM79,C0M159-->COM80

LCD_Data_Write(0X01);

LCD_Cmd_Write(VOLCTRL); // VOLCTRL=0x81,Electronic Control,THREE COMMAND SET REFERENCE VOLTAGE SELECT MODE

LCD_Data_Write(0X0E); // REFERENCE VOLTAGE PARAMETER ;14.4V

LCD_Data_Write(0X04); // SET REFERENCE VOLTAGE PARAMETER ;04 3.6+(100001110)*0.04

Delay_us(20);

LCD_Cmd_Write(DISINV); // DISINV=0xA7,INVERSE DISPLAY

LCD_Cmd_Write(EXT_OUT); // EXT=1

LCD_Cmd_Write(ANASET); // ANASET=0x32,ANALOG CIRCUIT SET

LCD_Data_Write(0X03); // OSC FREQUENCEY ADJUSTMENT DEFAULT=12.7K 03=21.9K

LCD_Data_Write(0X02); // BOOSTER EFFICIENCY SET 6K DEFAULT

LCD_Data_Write(0X02); // BIAS SETTING DEFAULT 1/12;1/13,1/14時太淡

Delay_ms(1);

//====================================================

LCD_Cmd_Write(GRAY1SET); // SET GRAY VALUE 0X1F時背景全部為深色

LCD_Data_Write(0X00); // START PARA 00

LCD_Data_Write(0X00); // START PARA 03

LCD_Data_Write(0X00); // START PARA 06

LCD_Data_Write(0X00); // START PARA 09

LCD_Data_Write(0X00); // START PARA

//******************************************

LCD_Cmd_Write(GRAY2SET); // SET GRAY VALUE

LCD_Data_Write(0X00); // START PARA 00

LCD_Data_Write(0X00); // START PARA 03

LCD_Data_Write(0X00); // START PARA 06

LCD_Data_Write(0X00); // START PARA 09

LCD_Data_Write(0X00); // START PARA

LCD_Cmd_Write(SWINT); //Software Initial

Delay_ms(1);

//******************************************

Read_LCD_EEPROM(); //Read EEPROM Flow

LCD_Cmd_Write(EXT_IN); // EXT=0

LCD_Cmd_Write(DISON); //Display On

LCD_Cmd_Write(DATSDR); // FORTH COMMAND SET DATA SCAN DRECTION

LCD_Data_Write(0X01); // NORMAL/REVERSE DISPLAY OF ADDRESS AND ADDRESS SCAN DRICTION

LCD_Data_Write(0X00); // RGB ARRANGEMENT

LCD_Data_Write(0X02); // 32 GRAY-SCALE 65K,3B3P MODE

LCD_Cmd_Write(LASET); // THIRD COMMAND SET LINE ADDRESS

LCD_Data_Write(0X00); // START LINE

LCD_Data_Write(0X9f); // END LINE

Delay_ms(1);

LCD_Cmd_Write(CASET); // THIRD COMMAND SET COLUMN ADDRESS

LCD_Data_Write(0X00); // START COLUMN

LCD_Data_Write(0X4F); // END COLUMN

Delay_ms(1);

}

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ST7529和ST7586S的源代碼(AVR單片機程序)

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