490 lines
9.4 KiB
C
490 lines
9.4 KiB
C
#include "CH554.h"
|
||
#include "common.h"
|
||
|
||
//#include "font.h"
|
||
//#include "sys.h"
|
||
#include "lcd.h"
|
||
/******************************************************
|
||
GND=GND
|
||
VCC=3.3V
|
||
P00=CLK
|
||
P01=MOSI
|
||
P02=RES
|
||
P03=DC
|
||
P04=CS1
|
||
BLK为LCD背光控制管脚，低电平关闭背光，高电平打开；默认可以不接打开背光
|
||
////////////////////////以上是LCD工作所需要的/////////////////////////////////////
|
||
P05=FSO
|
||
P06=CS2
|
||
******************************************************/
|
||
|
||
u16 BACK_COLOR, POINT_COLOR; //背景色，画笔色
|
||
|
||
unsigned char 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;
|
||
|
||
|
||
void LCD_Writ_Bus(char da) //串行数据写入
|
||
{
|
||
bitdata=da;
|
||
LCD_SDI=bit7;LCD_SCK=0;LCD_SCK=1;
|
||
LCD_SDI=bit6;LCD_SCK=0;LCD_SCK=1;
|
||
LCD_SDI=bit5;LCD_SCK=0;LCD_SCK=1;
|
||
LCD_SDI=bit4;LCD_SCK=0;LCD_SCK=1;
|
||
LCD_SDI=bit3;LCD_SCK=0;LCD_SCK=1;
|
||
LCD_SDI=bit2;LCD_SCK=0;LCD_SCK=1;
|
||
LCD_SDI=bit1;LCD_SCK=0;LCD_SCK=1;
|
||
LCD_SDI=bit0;LCD_SCK=0;LCD_SCK=1;
|
||
}
|
||
|
||
void LCD_WR_DATA8(char da) //发送数据-8位参数
|
||
{
|
||
LCD_CS1=0;
|
||
LCD_DC=1;
|
||
LCD_Writ_Bus(da);
|
||
LCD_CS1=1;
|
||
}
|
||
void LCD_WR_DATA(int da)
|
||
{
|
||
LCD_CS1=0;
|
||
LCD_DC=1;
|
||
LCD_Writ_Bus(da>>8);
|
||
LCD_Writ_Bus(da);
|
||
LCD_CS1=1;
|
||
}
|
||
void LCD_WR_REG(char da)
|
||
{
|
||
LCD_CS1=0;
|
||
LCD_DC=0;
|
||
LCD_Writ_Bus(da);
|
||
LCD_CS1=1;
|
||
}
|
||
void LCD_WR_REG_DATA(int reg,int da)
|
||
{
|
||
LCD_WR_REG(reg);
|
||
LCD_WR_DATA(da);
|
||
|
||
}
|
||
void Address_set(unsigned int x1,unsigned int y1,unsigned int x2,unsigned int y2)
|
||
{
|
||
LCD_WR_REG(0x2a);
|
||
LCD_WR_DATA8(0x02);
|
||
LCD_WR_DATA8(x1+2);
|
||
LCD_WR_DATA8(0x02);
|
||
LCD_WR_DATA8(x2+2);
|
||
|
||
LCD_WR_REG(0x2b);
|
||
LCD_WR_DATA8(0x01);
|
||
LCD_WR_DATA8(y1+1);
|
||
LCD_WR_DATA8(0x01);
|
||
LCD_WR_DATA8(y2+1);
|
||
|
||
LCD_WR_REG(0x2C);
|
||
}
|
||
|
||
|
||
void Lcd_Init(void)
|
||
{//LCD_BLK=1;
|
||
|
||
//调用一次这些函数，免得编译的时候提示警告
|
||
|
||
|
||
// LCD_WR_REG_DATA(0,0);
|
||
// LCD_ShowString(0,0," ");
|
||
// LCD_ShowNum(0,0,0,0);
|
||
// LCD_Show2Num(0,0,0,0);
|
||
// LCD_DrawPoint_big(0,0);
|
||
// LCD_DrawRectangle(0,0,0,0);
|
||
// Draw_Circle(0,0,0);
|
||
|
||
LCD_REST=0;
|
||
delayms(20);
|
||
LCD_REST=1;
|
||
delayms(20);
|
||
LCD_WR_REG(0x11);//Sleep exit
|
||
delayms (120);
|
||
|
||
//ST7735R Frame Rate
|
||
LCD_WR_REG(0xB1);
|
||
LCD_WR_DATA8(0x01);
|
||
LCD_WR_DATA8(0x2C);
|
||
LCD_WR_DATA8(0x2D);
|
||
|
||
LCD_WR_REG(0xB2);
|
||
LCD_WR_DATA8(0x01);
|
||
LCD_WR_DATA8(0x2C);
|
||
LCD_WR_DATA8(0x2D);
|
||
|
||
LCD_WR_REG(0xB3);
|
||
LCD_WR_DATA8(0x01);
|
||
LCD_WR_DATA8(0x2C);
|
||
LCD_WR_DATA8(0x2D);
|
||
LCD_WR_DATA8(0x01);
|
||
LCD_WR_DATA8(0x2C);
|
||
LCD_WR_DATA8(0x2D);
|
||
|
||
LCD_WR_REG(0xB4); //Column inveLCD_DC ion
|
||
LCD_WR_DATA8(0x07);
|
||
|
||
//ST7735R Power Sequence
|
||
LCD_WR_REG(0xC0);
|
||
LCD_WR_DATA8(0xA2);
|
||
LCD_WR_DATA8(0x02);
|
||
LCD_WR_DATA8(0x84);
|
||
LCD_WR_REG(0xC1);
|
||
LCD_WR_DATA8(0xC5);
|
||
|
||
LCD_WR_REG(0xC2);
|
||
LCD_WR_DATA8(0x0A);
|
||
LCD_WR_DATA8(0x00);
|
||
|
||
LCD_WR_REG(0xC3);
|
||
LCD_WR_DATA8(0x8A);
|
||
LCD_WR_DATA8(0x2A);
|
||
LCD_WR_REG(0xC4);
|
||
LCD_WR_DATA8(0x8A);
|
||
LCD_WR_DATA8(0xEE);
|
||
|
||
LCD_WR_REG(0xC5); //VCOM
|
||
LCD_WR_DATA8(0x0E);
|
||
|
||
LCD_WR_REG(0x36); //MX, MY, RGB mode
|
||
LCD_WR_DATA8(0xC0);
|
||
#ifdef USE_LANDSCAPE
|
||
LCD_WR_DATA8(0xA8); //竖屏C8 横屏08 A8
|
||
#else
|
||
LCD_WR_DATA8(0xC8); //竖屏C8 横屏08 A8
|
||
#endif
|
||
//ST7735R Gamma Sequence
|
||
LCD_WR_REG(0xe0);
|
||
LCD_WR_DATA8(0x0f);
|
||
LCD_WR_DATA8(0x1a);
|
||
LCD_WR_DATA8(0x0f);
|
||
LCD_WR_DATA8(0x18);
|
||
LCD_WR_DATA8(0x2f);
|
||
LCD_WR_DATA8(0x28);
|
||
LCD_WR_DATA8(0x20);
|
||
LCD_WR_DATA8(0x22);
|
||
LCD_WR_DATA8(0x1f);
|
||
LCD_WR_DATA8(0x1b);
|
||
LCD_WR_DATA8(0x23);
|
||
LCD_WR_DATA8(0x37);
|
||
LCD_WR_DATA8(0x00);
|
||
LCD_WR_DATA8(0x07);
|
||
LCD_WR_DATA8(0x02);
|
||
LCD_WR_DATA8(0x10);
|
||
|
||
LCD_WR_REG(0xe1);
|
||
LCD_WR_DATA8(0x0f);
|
||
LCD_WR_DATA8(0x1b);
|
||
LCD_WR_DATA8(0x0f);
|
||
LCD_WR_DATA8(0x17);
|
||
LCD_WR_DATA8(0x33);
|
||
LCD_WR_DATA8(0x2c);
|
||
LCD_WR_DATA8(0x29);
|
||
LCD_WR_DATA8(0x2e);
|
||
LCD_WR_DATA8(0x30);
|
||
LCD_WR_DATA8(0x30);
|
||
LCD_WR_DATA8(0x39);
|
||
LCD_WR_DATA8(0x3f);
|
||
LCD_WR_DATA8(0x00);
|
||
LCD_WR_DATA8(0x07);
|
||
LCD_WR_DATA8(0x03);
|
||
LCD_WR_DATA8(0x10);
|
||
|
||
LCD_WR_REG(0x2a);
|
||
LCD_WR_DATA8(0x00);
|
||
LCD_WR_DATA8(0x00+2);
|
||
LCD_WR_DATA8(0x00);
|
||
LCD_WR_DATA8(0x80+2);
|
||
|
||
LCD_WR_REG(0x2b);
|
||
LCD_WR_DATA8(0x00);
|
||
LCD_WR_DATA8(0x00+3);
|
||
LCD_WR_DATA8(0x00);
|
||
LCD_WR_DATA8(0x80+3);
|
||
|
||
LCD_WR_REG(0xF0); //Enable test command
|
||
LCD_WR_DATA8(0x01);
|
||
LCD_WR_REG(0xF6); //Disable ram power save mode
|
||
LCD_WR_DATA8(0x00);
|
||
|
||
LCD_WR_REG(0x3A); //65k mode
|
||
LCD_WR_DATA8(0x05);
|
||
|
||
|
||
LCD_WR_REG(0x29);//Display on
|
||
}
|
||
|
||
//***************************************************************
|
||
|
||
//清屏函数
|
||
//Color:要清屏的填充色
|
||
void LCD_Clear(u16 Color)
|
||
{
|
||
u16 i,j;
|
||
Address_set(0,0,LCD_W-1,LCD_H-1);
|
||
for(i=0;i<LCD_W;i++)
|
||
{
|
||
for (j=0;j<LCD_H;j++)
|
||
{
|
||
LCD_WR_DATA(Color);
|
||
}
|
||
|
||
}
|
||
}
|
||
//在指定位置显示一个汉字(32*33大小)
|
||
//dcolor为内容颜色，gbcolor为背静颜色
|
||
void showhanzi(unsigned int x,unsigned int y,unsigned char index)
|
||
{
|
||
unsigned char i,j;
|
||
//unsigned char *temp=hanzi;
|
||
unsigned char *temp=0;
|
||
Address_set(x,y,x+31,y+31); //设置区域
|
||
temp+=index*128;
|
||
for(j=0;j<128;j++)
|
||
{
|
||
for(i=0;i<8;i++)
|
||
{
|
||
if((*temp&(1<<i))!=0)
|
||
{
|
||
LCD_WR_DATA(POINT_COLOR);
|
||
}
|
||
else
|
||
{
|
||
LCD_WR_DATA(BACK_COLOR);
|
||
}
|
||
}
|
||
temp++;
|
||
}
|
||
}
|
||
//画点
|
||
//POINT_COLOR:此点的颜色
|
||
void LCD_DrawPoint(u16 x,u16 y)
|
||
{
|
||
Address_set(x,y,x,y);//设置光标位置
|
||
LCD_WR_DATA(POINT_COLOR);
|
||
}
|
||
//画一个大点
|
||
//POINT_COLOR:此点的颜色
|
||
void LCD_DrawPoint_big(u16 x,u16 y)
|
||
{
|
||
LCD_Fill(x-1,y-1,x+1,y+1,POINT_COLOR);
|
||
}
|
||
//在指定区域内填充指定颜色
|
||
//区域大小:
|
||
// (xend-xsta)*(yend-ysta)
|
||
void LCD_Fill(u16 xsta,u16 ysta,u16 xend,u16 yend,u16 color)
|
||
{
|
||
u16 i,j;
|
||
Address_set(xsta,ysta,xend,yend); //设置光标位置
|
||
for(i=ysta;i<=yend;i++)
|
||
{
|
||
for(j=xsta;j<=xend;j++)LCD_WR_DATA(color);//设置光标位置
|
||
}
|
||
}
|
||
//画线
|
||
//x1,y1:起点坐标
|
||
//x2,y2:终点坐标
|
||
void LCD_DrawLine(u16 x1, u16 y1, u16 x2, u16 y2)
|
||
{
|
||
u16 t;
|
||
int xerr=0,yerr=0,delta_x,delta_y,distance;
|
||
int incx,incy,uRow,uCol;
|
||
|
||
delta_x=x2-x1; //计算坐标增量
|
||
delta_y=y2-y1;
|
||
uRow=x1;
|
||
uCol=y1;
|
||
if(delta_x>0)incx=1; //设置单步方向
|
||
else if(delta_x==0)incx=0;//垂直线
|
||
else {incx=-1;delta_x=-delta_x;}
|
||
if(delta_y>0)incy=1;
|
||
else if(delta_y==0)incy=0;//水平线
|
||
else{incy=-1;delta_y=-delta_y;}
|
||
if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴
|
||
else distance=delta_y;
|
||
for(t=0;t<=distance+1;t++ )//画线输出
|
||
{
|
||
LCD_DrawPoint(uRow,uCol);//画点
|
||
xerr+=delta_x ;
|
||
yerr+=delta_y ;
|
||
if(xerr>distance)
|
||
{
|
||
xerr-=distance;
|
||
uRow+=incx;
|
||
}
|
||
if(yerr>distance)
|
||
{
|
||
yerr-=distance;
|
||
uCol+=incy;
|
||
}
|
||
}
|
||
}
|
||
//画矩形
|
||
void LCD_DrawRectangle(u16 x1, u16 y1, u16 x2, u16 y2)
|
||
{
|
||
LCD_DrawLine(x1,y1,x2,y1);
|
||
LCD_DrawLine(x1,y1,x1,y2);
|
||
LCD_DrawLine(x1,y2,x2,y2);
|
||
LCD_DrawLine(x2,y1,x2,y2);
|
||
}
|
||
//在指定位置画一个指定大小的圆
|
||
//(x,y):中心点
|
||
//r :半径
|
||
void Draw_Circle(u16 x0,u16 y0,u8 r)
|
||
{
|
||
int a,b;
|
||
int di;
|
||
a=0;b=r;
|
||
di=3-(r<<1); //判断下个点位置的标志
|
||
while(a<=b)
|
||
{
|
||
LCD_DrawPoint(x0-b,y0-a); //3
|
||
LCD_DrawPoint(x0+b,y0-a); //0
|
||
LCD_DrawPoint(x0-a,y0+b); //1
|
||
LCD_DrawPoint(x0-b,y0-a); //7
|
||
LCD_DrawPoint(x0-a,y0-b); //2
|
||
LCD_DrawPoint(x0+b,y0+a); //4
|
||
LCD_DrawPoint(x0+a,y0-b); //5
|
||
LCD_DrawPoint(x0+a,y0+b); //6
|
||
LCD_DrawPoint(x0-b,y0+a);
|
||
a++;
|
||
//使用Bresenham算法画圆
|
||
if(di<0)di +=4*a+6;
|
||
else
|
||
{
|
||
di+=10+4*(a-b);
|
||
b--;
|
||
}
|
||
LCD_DrawPoint(x0+a,y0+b);
|
||
}
|
||
}
|
||
//在指定位置显示一个字符
|
||
|
||
//num:要显示的字符:" "--->"~"
|
||
//mode:叠加方式(1)还是非叠加方式(0)
|
||
//在指定位置显示一个字符
|
||
|
||
//num:要显示的字符:" "--->"~"
|
||
|
||
//mode:叠加方式(1)还是非叠加方式(0)
|
||
void LCD_ShowChar(u16 x,u16 y,u8 num,u8 mode)
|
||
{
|
||
u8 temp;
|
||
u8 pos,t;
|
||
u16 x0=x;
|
||
u16 colortemp=POINT_COLOR;
|
||
if(x>LCD_W-16||y>LCD_H-16)return;
|
||
//设置窗口
|
||
num=num-' ';//得到偏移后的值
|
||
Address_set(x,y,x+8-1,y+16-1); //设置光标位置
|
||
if(!mode) //非叠加方式
|
||
{
|
||
for(pos=0;pos<16;pos++)
|
||
{
|
||
//temp=asc2_1608[(u16)num*16+pos]; //调用1608字体
|
||
for(t=0;t<8;t++)
|
||
{
|
||
if(temp&0x01)POINT_COLOR=colortemp;
|
||
else POINT_COLOR=BACK_COLOR;
|
||
LCD_WR_DATA(POINT_COLOR);
|
||
temp>>=1;
|
||
x++;
|
||
}
|
||
x=x0;
|
||
y++;
|
||
}
|
||
}else//叠加方式
|
||
{
|
||
for(pos=0;pos<16;pos++)
|
||
{
|
||
//temp=asc2_1608[(u16)num*16+pos]; //调用1608字体
|
||
for(t=0;t<8;t++)
|
||
{
|
||
if(temp&0x01)LCD_DrawPoint(x+t,y+pos);//画一个点
|
||
temp>>=1;
|
||
}
|
||
}
|
||
}
|
||
POINT_COLOR=colortemp;
|
||
}
|
||
//m^n函数
|
||
u32 mypow(u8 m,u8 n)
|
||
{
|
||
u32 result=1;
|
||
while(n--)result*=m;
|
||
return result;
|
||
}
|
||
//显示2个数字
|
||
//x,y :起点坐标
|
||
//len :数字的位数
|
||
//color:颜色
|
||
//num:数值(0~4294967295);
|
||
void LCD_ShowNum(u16 x,u16 y,u32 num,u8 len)
|
||
{
|
||
u8 t,temp;
|
||
u8 enshow=0;
|
||
num=(u16)num;
|
||
for(t=0;t<len;t++)
|
||
{
|
||
temp=(num/mypow(10,len-t-1))%10;
|
||
if(enshow==0&&t<(len-1))
|
||
{
|
||
if(temp==0)
|
||
{
|
||
LCD_ShowChar(x+8*t,y,' ',0);
|
||
continue;
|
||
}else enshow=1;
|
||
|
||
}
|
||
LCD_ShowChar(x+8*t,y,temp+48,0);
|
||
}
|
||
}
|
||
//显示2个数字
|
||
//x,y:起点坐标
|
||
//num:数值(0~99);
|
||
void LCD_Show2Num(u16 x,u16 y,u16 num,u8 len)
|
||
{
|
||
u8 t,temp;
|
||
for(t=0;t<len;t++)
|
||
{
|
||
temp=(num/mypow(10,len-t-1))%10;
|
||
LCD_ShowChar(x+8*t,y,temp+'0',0);
|
||
}
|
||
}
|
||
//显示字符串
|
||
//x,y:起点坐标
|
||
//*p:字符串起始地址
|
||
//用16字体
|
||
void LCD_ShowString(u16 x,u16 y,const u8 *p)
|
||
{
|
||
while(*p!='\0')
|
||
{
|
||
if(x>LCD_W-16){x=0;y+=16;}
|
||
if(y>LCD_H-16){y=x=0;LCD_Clear(RED);}
|
||
LCD_ShowChar(x,y,*p,0);
|
||
x+=8;
|
||
p++;
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|