代码收藏家技术教程 2024-12-17

JLX12864G液晶显示屏驱动_stm32 jlx12864

	if(_ucData & 0x80)	LCD\_SDA\_H();
	else				LCD\_SDA\_L();
	LCD\_CLK\_H();
	_ucData <<= 1;
}

}

/****
* 功能：初始化液晶屏
* 输入：无
* 输出：无
****/
void LCD_Init(void)
{
LCD_CS_L();
LCD_RES_L(); /*低电平复位*/
LCD_Delayms(20);
LCD_RES_H(); /*复位完成*/
LCD_Delayms(20);
LCD_Write(REG_CMD,0XE2); /*软复位*/
LCD_Delayms(5);
LCD_Write(REG_CMD,0x2c); /*升压1*/
LCD_Delayms(5);
LCD_Write(REG_CMD,0x2e); /*升压2*/
LCD_Delayms(5);
LCD_Write(REG_CMD,0x2f); /*升压3*/
LCD_Delayms(5);
LCD_Write(REG_CMD,0x24); /*粗调对比度，0x20-0x27*/
LCD_Write(REG_CMD,0x81); /*微调对比度*/
LCD_Write(REG_CMD,0x1b); /*微调对比度值，0x00-0x3f*/
LCD_Write(REG_CMD,0xa2); /*1/9偏压比*/
LCD_Write(REG_CMD,0xc8); /*行扫描顺序：从上到下*/
LCD_Write(REG_CMD,0xa0); /*列扫描顺序：从左到右*/
LCD_Write(REG_CMD,0x60); /*起始行：第一行开始*/
// LCD_Write(REG_CMD,0xA7); /*反显*/
LCD_Write(REG_CMD,0xaf); /*开显示*/
LCD_CS_H();
}
//
/****
* 功能：设置屏幕的位置
* 输入：无
* 输出：无
****/
static void LCD_SetPos(uint8_t _ucPage,uint8_t _ucColumn)
{
LCD_CS_L();
_ucPage -= 1;
LCD_Write(REG_CMD,0xb0+_ucPage);
LCD_Write(REG_CMD,((_ucColumn>>4) & 0x0f) + 0x10);
LCD_Write(REG_CMD,(_ucColumn & 0x0f));
}
/****
* 功能：清屏
* 输入：无
* 输出：无
****/
void LCD_Clear(void)
{
uint8_t i,j;
LCD_CS_L();
for(i=0; i<9; i++)
{
LCD_SetPos(1+i,1);
for(j=0; j<132; j++)
{
LCD_Write(REG_DATA,0x00);
}
}
LCD_CS_H();
}
/****
* 功能：显示单个8*16字符
* 输入：无
* 输出：无
****/
static void LCD_DispChar8x16(uint8_t _ucPage,uint8_t _ucColumn,uint8_t *p)
{
uint8_t i,j;
LCD_CS_L();
for(j=0; j<2; j++)
{
LCD_SetPos(_ucPage+j,_ucColumn);
for(i=0; i<8; i++)
{
LCD_Write(REG_DATA,*p);
p++;
}

}
LCD\_CS\_H();

}
//
//m^n函数
//返回值:m^n次方.
uint32_t LCD_Pow(uint8_t m,uint8_t n)
{
uint32_t result=1;
while(n–)result*=m;
return result;
}
/****
* 功能：显示8*16字符串
* 输入：无
* 输出：无
****/
void LCD_DispStr8x16(uint8_t _ucPage,uint8_t _ucColumn,char *str)
{
uint8_t num,i;
uint8_t buff[16];
while(*str != ‘\0’)
{
num = *str – ’ ';/*定位字符在二维数组中的位置*/
for(i=0; i<16; i++)/*获取字符的取模数据*/
{
buff[i] = ASCII_8X16[num][i];
}
LCD_DispChar8x16(_ucPage,_ucColumn,buff);
_ucColumn += 8;
str++;
}
}

/****
* 功能：显示8*16字符数字
* 输入：
* 输出：无
****/
void LCD_DispNum(uint8_t _ucPage,uint8_t _ucColumn,uint16_t num,uint8_t _ucLenth)
{
uint8_t i,t,temp;
uint8_t enshow=0;
uint8_t buff[16];
for(t=0;t<_ucLenth;t++)
{
temp=(num/LCD_Pow(10,_ucLenth-t-1))%10;
if(enshow0&&t<(_ucLenth-1))
{
if(temp0)
{
LCD_DispStr8x16(_ucPage,_ucColumn+8*t," ");
continue;
}else enshow=1;
}
temp += 16 ;
for(i=0; i<16; i++)/*获取字符的取模数据*/
{
buff[i] = ASCII_8X16[temp][i];
}
LCD_DispChar8x16(_ucPage,_ucColumn+8*t,buff);
}
}
//


使用的是自定义的字库，文件如下，注意取模方式：

#ifndef __FONT_H
#define __FONT_H

#include “main.h”

/**
自定义取模方式：
* 列行式
* 逆向（低位在前）
**/
const uint8_t ASCII_8X16[95][16]={
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",0*/

{0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x33,0x00,0x00,0x00,0x00},/*“!”,1*/

{0x00,0x10,0x0C,0x02,0x10,0x0C,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*“”",2*/

{0x00,0x40,0xC0,0x78,0x40,0xC0,0x78,0x00,0x00,0x04,0x3F,0x04,0x04,0x3F,0x04,0x00},/*“#”,3*/

{0x00,0x70,0x88,0x88,0xFC,0x08,0x30,0x00,0x00,0x18,0x20,0x20,0xFF,0x21,0x1E,0x00},/*“$”,4*/

{0xF0,0x08,0xF0,0x80,0x60,0x18,0x00,0x00,0x00,0x31,0x0C,0x03,0x1E,0x21,0x1E,0x00},/*“%”,5*/

{0x00,0xF0,0x08,0x88,0x70,0x00,0x00,0x00,0x1E,0x21,0x23,0x2C,0x19,0x27,0x21,0x10},/*“&”,6*/

{0x00,0x12,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*“'”,7*/

{0x00,0x00,0x00,0xE0,0x18,0x04,0x02,0x00,0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00},/*“(”,8*/

{0x00,0x02,0x04,0x18,0xE0,0x00,0x00,0x00,0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00},/*“)”,9*/

{0x40,0x40,0x80,0xF0,0x80,0x40,0x40,0x00,0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00},/*“*”,10*/

{0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x0F,0x01,0x01,0x01},/*“+”,11*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x90,0x70,0x00,0x00,0x00,0x00,0x00},/*“,”,12*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x00},/*“-”,13*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00},/*“.”,14*/

{0x00,0x00,0x00,0x00,0xC0,0x38,0x04,0x00,0x00,0x60,0x18,0x07,0x00,0x00,0x00,0x00},/*“/”,15*/

{0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00},/*“0”,16*/

{0x00,0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00},/*“1”,17*/

{0x00,0x70,0x08,0x08,0x08,0x08,0xF0,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00},/*“2”,18*/

{0x00,0x30,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x18,0x20,0x21,0x21,0x22,0x1C,0x00},/*“3”,19*/

{0x00,0x00,0x80,0x40,0x30,0xF8,0x00,0x00,0x00,0x06,0x05,0x24,0x24,0x3F,0x24,0x24},/*“4”,20*/

{0x00,0xF8,0x88,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x20,0x20,0x20,0x11,0x0E,0x00},/*“5”,21*/

{0x00,0xE0,0x10,0x88,0x88,0x90,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x20,0x1F,0x00},/*“6”,22*/

{0x00,0x18,0x08,0x08,0x88,0x68,0x18,0x00,0x00,0x00,0x00,0x3E,0x01,0x00,0x00,0x00},/*“7”,23*/

{0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00},/*“8”,24*/

{0x00,0xF0,0x08,0x08,0x08,0x10,0xE0,0x00,0x00,0x01,0x12,0x22,0x22,0x11,0x0F,0x00},/*“9”,25*/

{0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00},/*“:”,26*/

{0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x00,0x00},/*“;”,27*/

{0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x00},/*“<”,28*/

{0x00,0x40,0x40,0x40,0x40,0x40,0x40,0x00,0x00,0x02,0x02,0x02,0x02,0x02,0x02,0x00},/*“=”,29*/

{0x00,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x20,0x10,0x08,0x04,0x02,0x01,0x00},/*“>”,30*/

{0x00,0x70,0x48,0x08,0x08,0x88,0x70,0x00,0x00,0x00,0x00,0x30,0x37,0x00,0x00,0x00},/*“?”,31*/

{0xC0,0x30,0xC8,0x28,0xE8,0x10,0xE0,0x00,0x07,0x18,0x27,0x28,0x2F,0x28,0x17,0x00},/*“@”,32*/

{0x00,0x00,0xC0,0x38,0xE0,0x00,0x00,0x00,0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20},/*“A”,33*/

{0x08,0xF8,0x88,0x88,0x88,0x70,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x11,0x0E,0x00},/*“B”,34*/

{0xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00,0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00},/*“C”,35*/

{0x08,0xF8,0x08,0x08,0x08,0x10,0xE0,0x00,0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00},/*“D”,36*/

{0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00},/*“E”,37*/

{0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x00,0x03,0x00,0x00,0x00},/*“F”,38*/

{0xC0,0x30,0x08,0x08,0x08,0x38,0x00,0x00,0x07,0x18,0x20,0x20,0x22,0x1E,0x02,0x00},/*“G”,39*/

{0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20},/*“H”,40*/

{0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00},/*“I”,41*/

{0x00,0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,0x00},/*“J”,42*/

{0x08,0xF8,0x88,0xC0,0x28,0x18,0x08,0x00,0x20,0x3F,0x20,0x01,0x26,0x38,0x20,0x00},/*“K”,43*/

{0x08,0xF8,0x08,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00},/*“L”,44*/

{0x08,0xF8,0xF8,0x00,0xF8,0xF8,0x08,0x00,0x20,0x3F,0x01,0x3E,0x01,0x3F,0x20,0x00},/*“M”,45*/

{0x08,0xF8,0x30,0xC0,0x00,0x08,0xF8,0x08,0x20,0x3F,0x20,0x00,0x07,0x18,0x3F,0x00},/*“N”,46*/

{0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x10,0x20,0x20,0x20,0x10,0x0F,0x00},/*“O”,47*/

{0x08,0xF8,0x08,0x08,0x08,0x08,0xF0,0x00,0x20,0x3F,0x21,0x01,0x01,0x01,0x00,0x00},/*“P”,48*/

{0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x10,0x28,0x28,0x30,0x50,0x4F,0x00},/*“Q”,49*/

{0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20},/*“R”,50*/

{0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00},/*“S”,51*/

{0x18,0x08,0x08,0xF8,0x08,0x08,0x18,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00},/*“T”,52*/

{0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00},/*“U”,53*/

{0x08,0x78,0x88,0x00,0x00,0xC8,0x38,0x08,0x00,0x00,0x07,0x38,0x0E,0x01,0x00,0x00},/*“V”,54*/

{0x08,0xF8,0x00,0xF8,0x00,0xF8,0x08,0x00,0x00,0x03,0x3E,0x01,0x3E,0x03,0x00,0x00},/*“W”,55*/

{0x08,0x18,0x68,0x80,0x80,0x68,0x18,0x08,0x20,0x30,0x2C,0x03,0x03,0x2C,0x30,0x20},/*“X”,56*/

{0x08,0x38,0xC8,0x00,0xC8,0x38,0x08,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00},/*“Y”,57*/

{0x10,0x08,0x08,0x08,0xC8,0x38,0x08,0x00,0x20,0x38,0x26,0x21,0x20,0x20,0x18,0x00},/*“Z”,58*/

{0x00,0x00,0x00,0xFE,0x02,0x02,0x02,0x00,0x00,0x00,0x00,0x7F,0x40,0x40,0x40,0x00},/*“[”,59*/

{0x00,0x04,0x38,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x06,0x38,0xC0,0x00},/*“”,60*/

{0x00,0x02,0x02,0x02,0xFE,0x00,0x00,0x00,0x00,0x40,0x40,0x40,0x7F,0x00,0x00,0x00},/*“]”,61*/

{0x00,0x00,0x04,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*“^”,62*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80},/*“_”,63*/

{0x00,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*“`”,64*/

{0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x00,0x19,0x24,0x24,0x12,0x3F,0x20,0x00},/*“a”,65*/

{0x10,0xF0,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x3F,0x11,0x20,0x20,0x11,0x0E,0x00},/*“b”,66*/

{0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00},/*“c”,67*/

{0x00,0x00,0x80,0x80,0x80,0x90,0xF0,0x00,0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20},/*“d”,68*/

{0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x24,0x24,0x24,0x24,0x17,0x00},/*“e”,69*/

{0x00,0x80,0x80,0xE0,0x90,0x90,0x20,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00},/*“f”,70*/

{0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x6B,0x94,0x94,0x94,0x93,0x60,0x00},/*“g”,71*/

{0x10,0xF0,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20},/*“h”,72*/

{0x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00},/*“i”,73*/

{0x00,0x00,0x00,0x80,0x98,0x98,0x00,0x00,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00},/*“j”,74*/

{0x10,0xF0,0x00,0x00,0x80,0x80,0x80,0x00,0x20,0x3F,0x24,0x06,0x29,0x30,0x20,0x00},/*“k”,75*/

{0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00},/*“l”,76*/

{0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F},/*“m”,77*/

{0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20},/*“n”,78*/

{0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00},/*“o”,79*/

{0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00,0x80,0xFF,0x91,0x20,0x20,0x11,0x0E,0x00},/*“p”,80*/

{0x00,0x00,0x00,0x80,0x80,0x00,0x80,0x00,0x00,0x0E,0x11,0x20,0x20,0x91,0xFF,0x80},/*“q”,81*/

{0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x20,0x20,0x3F,0x21,0x20,0x00,0x01,0x00},/*“r”,82*/

{0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x33,0x24,0x24,0x24,0x24,0x19,0x00},/*“s”,83*/

{0x00,0x80,0x80,0xE0,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x1F,0x20,0x20,0x10,0x00},/*“t”,84*/

{0x80,0x80,0x00,0x00,0x00,0x80,0x80,0x00,0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20},/*“u”,85*/

{0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x03,0x0C,0x30,0x0C,0x03,0x00,0x00},/*“v”,86*/

{0x80,0x80,0x00,0x80,0x80,0x00,0x80,0x80,0x01,0x0E,0x30,0x0C,0x07,0x38,0x06,0x01},/*“w”,87*/

{0x00,0x80,0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x20,0x31,0x0E,0x2E,0x31,0x20,0x00},/*“x”,88*/

{0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x00,0x81,0x86,0x78,0x18,0x06,0x01,0x00},/*“y”,89*/

{0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x21,0x30,0x2C,0x22,0x21,0x30,0x00},/*“z”,90*/

{0x00,0x00,0x00,0x00,0x00,0xFC,0x02,0x02,0x00,0x00,0x00,0x00,0x01,0x3E,0x40,0x40},/*“{”,91*/

{0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00},/*“|”,92*/

{0x02,0x02,0xFC,0x00,0x00,0x00,0x00,0x00,0x40,0x40,0x3E,0x01,0x00,0x00,0x00,0x00},/*“}”,93*/

{0x00,0x02,0x01,0x02,0x02,0x04,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*“~”,94*/
};

#endif
//


最终驱动效果如下：


![在这里插入图片描述](https://i3.wp.com/img-blog.csdnimg.cn/9147cac7b84c406985e9e2e9ce265a29.png)

作者：普通网友

stm32 前端嵌入式硬件

物联沃分享整理
物联沃-IOTWORD物联网 » JLX12864G液晶显示屏驱动_stm32 jlx12864

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