【分享】51单片机320*240,SPI彩屏测试程序

分立元件 发表于 2020-10-31 22:06:27

本帖最后由分立元件于 2020-11-1 00:05 编辑

#include<reg51.h>
#include<absacc.h>
#include<intrins.h>
#include<string.h>
#define uchar unsigned char
#define uint unsigned int

//引脚连接定义
sbit cs    =P1^0;//片选
sbit reset =P1^1;//复位
sbit rs    =P1^2;//地址/数据切换
sbit sda    =P1^3;// SDIMOSI
sbit scl    =P1^4;//时钟
//SDO引脚可以不连接

uchar bdata bitdata;
sbit bit7=bitdata^7;
sbit bit6=bitdata^6;
sbit bit5=bitdata^5;
sbit bit4=bitdata^4;
sbit bit3=bitdata^3;
sbit bit2=bitdata^2;
sbit bit1=bitdata^1;
sbit bit0=bitdata^0;

voiddelay(uint t);

void delay(uint time)
{
uint i,j;
for(i=0;i<time;i++)
for(j=0;j<2500;j++);
}

voidwrite_command(uchar c)
{
cs=0;

rs=0;
bitdata=c;

sda=bit7;scl=0;scl=1;
sda=bit6;scl=0;scl=1;
sda=bit5;scl=0;scl=1;
sda=bit4;scl=0;scl=1;
sda=bit3;scl=0;scl=1;
sda=bit2;scl=0;scl=1;
sda=bit1;scl=0;scl=1;
sda=bit0;scl=0;scl=1;
cs=1;
}

voidwrite_data(uchar d)
{
cs=0;
rs=1;
bitdata=d;
sda=bit7;scl=0;scl=1;
sda=bit6;scl=0;scl=1;
sda=bit5;scl=0;scl=1;
sda=bit4;scl=0;scl=1;
sda=bit3;scl=0;scl=1;
sda=bit2;scl=0;scl=1;
sda=bit1;scl=0;scl=1;
sda=bit0;scl=0;scl=1;
cs=1;
}

void wr_com16(unsigned char i,unsigned char j)
{
cs=0;

rs=1;
bitdata=i;

sda=bit7;scl=0;scl=1;
sda=bit6;scl=0;scl=1;
sda=bit5;scl=0;scl=1;
sda=bit4;scl=0;scl=1;
sda=bit3;scl=0;scl=1;
sda=bit2;scl=0;scl=1;
sda=bit1;scl=0;scl=1;
sda=bit0;scl=0;scl=1;
cs=1;
cs=0;

rs=1;
bitdata=j;

sda=bit7;scl=0;scl=1;
sda=bit6;scl=0;scl=1;
sda=bit5;scl=0;scl=1;
sda=bit4;scl=0;scl=1;
sda=bit3;scl=0;scl=1;
sda=bit2;scl=0;scl=1;
sda=bit1;scl=0;scl=1;
sda=bit0;scl=0;scl=1;
cs=1;

}
//////////////////////////////////////////////////////////////////////////////////////////////

void lcd_initial()
{

reset=0;
delay(100);
reset=1;
delay(100);

//2.2inch TM2.2-G2.2 Init 20171020
write_command(0x11);
write_data(0x00);

write_command(0xCF);
write_data(0X00);
write_data(0XC1);
write_data(0X30);

write_command(0xED);
write_data(0X64);
write_data(0X03);
write_data(0X12);
write_data(0X81);

write_command(0xE8);
write_data(0X85);
write_data(0X11);
write_data(0X78);

write_command(0xF6);
write_data(0X01);
write_data(0X30);
write_data(0X00);

write_command(0xCB);
write_data(0X39);
write_data(0X2C);
write_data(0X00);
write_data(0X34);
write_data(0X05);

write_command(0xF7);
write_data(0X20);

write_command(0xEA);
write_data(0X00);
write_data(0X00);

write_command(0xC0);
write_data(0X20);

write_command(0xC1);
write_data(0X11);

write_command(0xC5);
write_data(0X31);
write_data(0X3C);

write_command(0xC7);
write_data(0XA9);

write_command(0x3A);
write_data(0X55);

write_command(0x36);
write_data(0x48);//竖屏参数

write_command(0xB1);
write_data(0X00);
write_data(0X18);

write_command(0xB4);
write_data(0X00);
write_data(0X00);

write_command(0xF2);
write_data(0X00);

write_command(0x26);
write_data(0X01);

write_command(0xE0);
write_data(0X0F);
write_data(0X17);
write_data(0X14);
write_data(0X09);
write_data(0X0C);
write_data(0X06);
write_data(0X43);
write_data(0X75);
write_data(0X36);
write_data(0X08);
write_data(0X13);
write_data(0X05);
write_data(0X10);
write_data(0X0B);
write_data(0X08);

write_command(0xE1);
write_data(0X00);
write_data(0X1F);
write_data(0X23);
write_data(0X03);
write_data(0X0E);
write_data(0X04);
write_data(0X39);
write_data(0X25);
write_data(0X4D);
write_data(0X06);
write_data(0X0D);
write_data(0X0B);
write_data(0X33);
write_data(0X37);
write_data(0X0F);
write_command(0x29);

}
void addset(unsigned int x,unsigned int y)
{
write_command(0x2a);
wr_com16(x>>8,x);
write_command(0x2b);
wr_com16(y>>8,y);
write_command(0x2c);
}

void dsp_single_colour(DH,DL)
{
unsigned int i,j;
addset(0,0);
for (i=0;i<320;i++)
for (j=0;j<240;j++)
wr_com16(DH,DL);

}

main()
{
lcd_initial();



dsp_single_colour(0x84,0x10);//灰色
dsp_single_colour(0xff,0xff);//白色
dsp_single_colour(0x00,0x00);//黑色
dsp_single_colour(0xf8,0x00);//红色
dsp_single_colour(0x07,0xe0);//绿色
dsp_single_colour(0x00,0x1f);//蓝色

   while(1) ;
}

cwf2011 发表于 2020-10-31 23:38:56

显示屏用的是什么驱动芯片

分立元件 发表于 2020-10-31 23:42:25

cwf2011 发表于 2020-10-31 23:38
显示屏用的是什么驱动芯片

ILI9341芯片

bfzy196167366 发表于 2020-11-1 12:36:17

大侠，帮忙用这个屏改写一个STC15W408AS控制LC72131的程序，常建国老师原程序是中波段的，帮忙改写一个短波段的，屏驱动改为你这个显示的。
原贴的内容在这里
http://www.crystalradio.cn/forum.php?mod=viewthread&tid=1373719&extra=page%3D1

分立元件 发表于 2020-11-1 12:55:31

bfzy196167366 发表于 2020-11-1 12:36
大侠，帮忙用这个屏改写一个STC15W408AS控制LC72131的程序，常建国老师原程序是中波段的，帮忙改写一个短波 ...

能力有限啊！

mapleft 发表于 2020-11-3 17:18:09

用串口的SPI 模式或者是使用CPU扩展功能的SPI模块来驱动吧， IO模拟驱动彩屏慢成狗

leonliu_2811 发表于 2020-11-4 17:27:58

51别用了，stm32又便宜能力又强。

tsy1023591789 发表于 2020-11-15 13:37:25

学习一下！

万博光电 发表于 2021-1-8 20:45:57

收藏备用，多谢分享

万博光电 发表于 2021-1-8 20:46:36

收藏备用，多谢分享

fengdong002 发表于 2021-1-10 14:46:09

学习一下！！

万博光电 发表于 2021-1-10 19:45:05

谢谢楼主分享

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【分享】51单片机320*240,SPI彩屏测试程序