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用于EagleEye3.0 规则集漏报和误报测试的示例项目，项目收集于github和gitee
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test-example-projects/qt_projects/MyCar_demo/USER/lcd.c

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#include "lcd.h"
#include "stdlib.h"
#include "font.h"
#include "usart.h"
#include "delay.h"
//LCD的画笔颜色和背景色
u16 POINT_COLOR=0x0000; //画笔颜色
u16 BACK_COLOR=0xFFFF; //背景色
//管理LCD重要参数
//默认为竖屏
_lcd_dev lcddev;
//写寄存器函数
//data:寄存器值
void LCD_WR_REG(u16 data)
{
LCD_RS_CLR;//写地址
LCD_CS_CLR;
DATAOUT(data);
LCD_WR_CLR;
LCD_WR_SET;
LCD_CS_SET;
}
//写数据函数
//可以替代LCD_WR_DATAX宏,拿时间换空间.
//data:寄存器值
void LCD_WR_DATAX(u16 data)
{
LCD_RS_SET;
LCD_CS_CLR;
DATAOUT(data);
LCD_WR_CLR;
LCD_WR_SET;
LCD_CS_SET;
}
//读LCD数据
//返回值:读到的值
u16 LCD_RD_DATA(void)
{
u16 t;
GPIOB->CRL=0X88888888; //PB0-7 上拉输入
GPIOB->CRH=0X88888888; //PB8-15 上拉输入
GPIOB->ODR=0X0000; //全部输出0
LCD_RS_SET;
LCD_CS_CLR;
//读取数据(读寄存器时,并不需要读2次)
LCD_RD_CLR;
if(lcddev.id==0X8989)delay_us(2);//FOR 8989,延时2us
t=DATAIN;
LCD_RD_SET;
LCD_CS_SET;
GPIOB->CRL=0X33333333; //PB0-7 上拉输出
GPIOB->CRH=0X33333333; //PB8-15 上拉输出
GPIOB->ODR=0XFFFF; //全部输出高
return t;
}
//写寄存器
//LCD_Reg:寄存器编号
//LCD_RegValue:要写入的值
void LCD_WriteReg(u16 LCD_Reg,u16 LCD_RegValue)
{
LCD_WR_REG(LCD_Reg);
LCD_WR_DATA(LCD_RegValue);
}
//读寄存器
//LCD_Reg:寄存器编号
//返回值:读到的值
u16 LCD_ReadReg(u16 LCD_Reg)
{
LCD_WR_REG(LCD_Reg); //写入要读的寄存器号
return LCD_RD_DATA();
}
//开始写GRAM
void LCD_WriteRAM_Prepare(void)
{
LCD_WR_REG(lcddev.wramcmd);
}
//LCD写GRAM
//RGB_Code:颜色值
void LCD_WriteRAM(u16 RGB_Code)
{
LCD_WR_DATA(RGB_Code);//写十六位GRAM
}
//从ILI93xx读出的数据为GBR格式，而我们写入的时候为RGB格式。
//通过该函数转换
//c:GBR格式的颜色值
//返回值：RGB格式的颜色值
u16 LCD_BGR2RGB(u16 c)
{
u16 r,g,b,rgb;
b=(c>>0)&0x1f;
g=(c>>5)&0x3f;
r=(c>>11)&0x1f;
rgb=(b<<11)+(g<<5)+(r<<0);
return(rgb);
}
//当mdk -O1时间优化时需要设置
//延时i
void opt_delay(u8 i)
{
while(i--);
}
//读取个某点的颜色值
//x,y:坐标
//返回值:此点的颜色
u16 LCD_ReadPoint(u16 x,u16 y)
{
u16 r,g,b;
if(x>=lcddev.width||y>=lcddev.height)return 0; //超过了范围,直接返回
LCD_SetCursor(x,y);
if(lcddev.id==0X9341||lcddev.id==0X6804||lcddev.id==0X5310||lcddev.id==0X1963)LCD_WR_REG(0X2E);//9341/6804/3510/1963 发送读GRAM指令
else if(lcddev.id==0X5510)LCD_WR_REG(0X2E00); //5510 发送读GRAM指令
else LCD_WR_REG(0X22); //其他IC发送读GRAM指令
GPIOB->CRL=0X88888888; //PB0-7 上拉输入
GPIOB->CRH=0X88888888; //PB8-15 上拉输入
GPIOB->ODR=0XFFFF; //全部输出高
LCD_RS_SET;
LCD_CS_CLR;
//读取数据(读GRAM时,第一次为假读)
LCD_RD_CLR;
opt_delay(2); //延时
r=DATAIN; //实际坐标颜色
LCD_RD_SET;
if(lcddev.id==0X1963)
{
LCD_CS_SET;
GPIOB->CRL=0X33333333; //PB0-7 上拉输出
GPIOB->CRH=0X33333333; //PB8-15 上拉输出
GPIOB->ODR=0XFFFF; //全部输出高
return r; //1963直接读就可以
}
//dummy READ
LCD_RD_CLR;
opt_delay(2);//延时
r=DATAIN; //实际坐标颜色
LCD_RD_SET;
if(lcddev.id==0X9341||lcddev.id==0X5310||lcddev.id==0X5510) //9341/NT35310/NT35510要分2次读出
{
LCD_RD_CLR;
opt_delay(2);//延时
b=DATAIN;//读取蓝色值
LCD_RD_SET;
g=r&0XFF;//对于9341,第一次读取的是RG的值,R在前,G在后,各占8位
g<<=8;
}else if(lcddev.id==0X6804)
{
LCD_RD_CLR;
LCD_RD_SET;
r=DATAIN;//6804第二次读取的才是真实值
}
LCD_CS_SET;
GPIOB->CRL=0X33333333; //PB0-7 上拉输出
GPIOB->CRH=0X33333333; //PB8-15 上拉输出
GPIOB->ODR=0XFFFF; //全部输出高
if(lcddev.id==0X9325||lcddev.id==0X4535||lcddev.id==0X4531||lcddev.id==0X8989||lcddev.id==0XB505)return r; //这几种IC直接返回颜色值
else if(lcddev.id==0X9341||lcddev.id==0X5310||lcddev.id==0X5510)return (((r>>11)<<11)|((g>>10)<<5)|(b>>11));//ILI9341/NT35310/NT35510需要公式转换一下
else return LCD_BGR2RGB(r); //其他IC
}
//LCD开启显示
void LCD_DisplayOn(void)
{
if(lcddev.id==0X9341||lcddev.id==0X6804||lcddev.id==0X5310||lcddev.id==0X1963)LCD_WR_REG(0X29); //开启显示
else if(lcddev.id==0X5510)LCD_WR_REG(0X2900); //开启显示
else LCD_WriteReg(0X07,0x0173); //开启显示
}
//LCD关闭显示
void LCD_DisplayOff(void)
{
if(lcddev.id==0X9341||lcddev.id==0X6804||lcddev.id==0X5310||lcddev.id==0X1963)LCD_WR_REG(0X28); //关闭显示
else if(lcddev.id==0X5510)LCD_WR_REG(0X2800); //关闭显示
else LCD_WriteReg(0X07,0x0);//关闭显示
}
//设置光标位置
//Xpos:横坐标
//Ypos:纵坐标
void LCD_SetCursor(u16 Xpos, u16 Ypos)
{
if(lcddev.id==0X9341||lcddev.id==0X5310)
{
LCD_WR_REG(lcddev.setxcmd);
LCD_WR_DATA(Xpos>>8);LCD_WR_DATA(Xpos&0XFF);
LCD_WR_REG(lcddev.setycmd);
LCD_WR_DATA(Ypos>>8);LCD_WR_DATA(Ypos&0XFF);
}else if(lcddev.id==0X6804)
{
if(lcddev.dir==1)Xpos=lcddev.width-1-Xpos;//横屏时处理
LCD_WR_REG(lcddev.setxcmd);
LCD_WR_DATA(Xpos>>8);LCD_WR_DATA(Xpos&0XFF);
LCD_WR_REG(lcddev.setycmd);
LCD_WR_DATA(Ypos>>8);LCD_WR_DATA(Ypos&0XFF);
}else if(lcddev.id==0X1963)
{
if(lcddev.dir==0)//x坐标需要变换
{
Xpos=lcddev.width-1-Xpos;
LCD_WR_REG(lcddev.setxcmd);
LCD_WR_DATA(0);LCD_WR_DATA(0);
LCD_WR_DATA(Xpos>>8);LCD_WR_DATA(Xpos&0XFF);
}else
{
LCD_WR_REG(lcddev.setxcmd);
LCD_WR_DATA(Xpos>>8);LCD_WR_DATA(Xpos&0XFF);
LCD_WR_DATA((lcddev.width-1)>>8);LCD_WR_DATA((lcddev.width-1)&0XFF);
}
LCD_WR_REG(lcddev.setycmd);
LCD_WR_DATA(Ypos>>8);LCD_WR_DATA(Ypos&0XFF);
LCD_WR_DATA((lcddev.height-1)>>8);LCD_WR_DATA((lcddev.height-1)&0XFF);
}else if(lcddev.id==0X5510)
{
LCD_WR_REG(lcddev.setxcmd);LCD_WR_DATA(Xpos>>8);
LCD_WR_REG(lcddev.setxcmd+1);LCD_WR_DATA(Xpos&0XFF);
LCD_WR_REG(lcddev.setycmd);LCD_WR_DATA(Ypos>>8);
LCD_WR_REG(lcddev.setycmd+1);LCD_WR_DATA(Ypos&0XFF);
}else
{
if(lcddev.dir==1)Xpos=lcddev.width-1-Xpos;//横屏其实就是调转x,y坐标
LCD_WriteReg(lcddev.setxcmd, Xpos);
LCD_WriteReg(lcddev.setycmd, Ypos);
}
}
//设置LCD的自动扫描方向
//注意:其他函数可能会受到此函数设置的影响(尤其是9341/6804这两个奇葩),
//所以,一般设置为L2R_U2D即可,如果设置为其他扫描方式,可能导致显示不正常.
//dir:0~7,代表8个方向(具体定义见lcd.h)
//9320/9325/9328/4531/4535/1505/b505/5408/9341/5310/5510/1963等IC已经实际测试
void LCD_Scan_Dir(u8 dir)
{
u16 regval=0;
u16 dirreg=0;
u16 temp;
if((lcddev.dir==1&&lcddev.id!=0X6804&&lcddev.id!=0X1963)||(lcddev.dir==0&&lcddev.id==0X1963))//横屏时，对6804和1963不改变扫描方向！竖屏时1963改变方向
{
switch(dir)//方向转换
{
case 0:dir=6;break;
case 1:dir=7;break;
case 2:dir=4;break;
case 3:dir=5;break;
case 4:dir=1;break;
case 5:dir=0;break;
case 6:dir=3;break;
case 7:dir=2;break;
}
}
if(lcddev.id==0x9341||lcddev.id==0X6804||lcddev.id==0X5310||lcddev.id==0X5510||lcddev.id==0X1963)//9341/6804/5310/5510/1963,特殊处理
{
switch(dir)
{
case L2R_U2D://从左到右,从上到下
regval|=(0<<7)|(0<<6)|(0<<5);
break;
case L2R_D2U://从左到右,从下到上
regval|=(1<<7)|(0<<6)|(0<<5);
break;
case R2L_U2D://从右到左,从上到下
regval|=(0<<7)|(1<<6)|(0<<5);
break;
case R2L_D2U://从右到左,从下到上
regval|=(1<<7)|(1<<6)|(0<<5);
break;
case U2D_L2R://从上到下,从左到右
regval|=(0<<7)|(0<<6)|(1<<5);
break;
case U2D_R2L://从上到下,从右到左
regval|=(0<<7)|(1<<6)|(1<<5);
break;
case D2U_L2R://从下到上,从左到右
regval|=(1<<7)|(0<<6)|(1<<5);
break;
case D2U_R2L://从下到上,从右到左
regval|=(1<<7)|(1<<6)|(1<<5);
break;
}
if(lcddev.id==0X5510)dirreg=0X3600;
else dirreg=0X36;
if((lcddev.id!=0X5310)&&(lcddev.id!=0X5510)&&(lcddev.id!=0X1963))regval|=0X08;//5310/5510/1963不需要BGR
if(lcddev.id==0X6804)regval|=0x02;//6804的BIT6和9341的反了
LCD_WriteReg(dirreg,regval);
if(lcddev.id!=0X1963)//1963不做坐标处理
{
if(regval&0X20)
{
if(lcddev.width<lcddev.height)//交换X,Y
{
temp=lcddev.width;
lcddev.width=lcddev.height;
lcddev.height=temp;
}
}else
{
if(lcddev.width>lcddev.height)//交换X,Y
{
temp=lcddev.width;
lcddev.width=lcddev.height;
lcddev.height=temp;
}
}
}
if(lcddev.id==0X5510)
{
LCD_WR_REG(lcddev.setxcmd);LCD_WR_DATA(0);
LCD_WR_REG(lcddev.setxcmd+1);LCD_WR_DATA(0);
LCD_WR_REG(lcddev.setxcmd+2);LCD_WR_DATA((lcddev.width-1)>>8);
LCD_WR_REG(lcddev.setxcmd+3);LCD_WR_DATA((lcddev.width-1)&0XFF);
LCD_WR_REG(lcddev.setycmd);LCD_WR_DATA(0);
LCD_WR_REG(lcddev.setycmd+1);LCD_WR_DATA(0);
LCD_WR_REG(lcddev.setycmd+2);LCD_WR_DATA((lcddev.height-1)>>8);
LCD_WR_REG(lcddev.setycmd+3);LCD_WR_DATA((lcddev.height-1)&0XFF);
}else
{
LCD_WR_REG(lcddev.setxcmd);
LCD_WR_DATA(0);LCD_WR_DATA(0);
LCD_WR_DATA((lcddev.width-1)>>8);LCD_WR_DATA((lcddev.width-1)&0XFF);
LCD_WR_REG(lcddev.setycmd);
LCD_WR_DATA(0);LCD_WR_DATA(0);
LCD_WR_DATA((lcddev.height-1)>>8);LCD_WR_DATA((lcddev.height-1)&0XFF);
}
}else
{
switch(dir)
{
case L2R_U2D://从左到右,从上到下
regval|=(1<<5)|(1<<4)|(0<<3);
break;
case L2R_D2U://从左到右,从下到上
regval|=(0<<5)|(1<<4)|(0<<3);
break;
case R2L_U2D://从右到左,从上到下
regval|=(1<<5)|(0<<4)|(0<<3);
break;
case R2L_D2U://从右到左,从下到上
regval|=(0<<5)|(0<<4)|(0<<3);
break;
case U2D_L2R://从上到下,从左到右
regval|=(1<<5)|(1<<4)|(1<<3);
break;
case U2D_R2L://从上到下,从右到左
regval|=(1<<5)|(0<<4)|(1<<3);
break;
case D2U_L2R://从下到上,从左到右
regval|=(0<<5)|(1<<4)|(1<<3);
break;
case D2U_R2L://从下到上,从右到左
regval|=(0<<5)|(0<<4)|(1<<3);
break;
}
dirreg=0X03;
regval|=1<<12;
LCD_WriteReg(dirreg,regval);
}
}
//画点
//x,y:坐标
//POINT_COLOR:此点的颜色
void LCD_DrawPoint(u16 x,u16 y)
{
LCD_SetCursor(x,y); //设置光标位置
LCD_WriteRAM_Prepare(); //开始写入GRAM
LCD_WR_DATA(POINT_COLOR);
}
//快速画点
//x,y:坐标
//color:颜色
void LCD_Fast_DrawPoint(u16 x,u16 y,u16 color)
{
if(lcddev.id==0X9341||lcddev.id==0X5310)
{
LCD_WR_REG(lcddev.setxcmd);
LCD_WR_DATA(x>>8);LCD_WR_DATA(x&0XFF);
LCD_WR_REG(lcddev.setycmd);
LCD_WR_DATA(y>>8);LCD_WR_DATA(y&0XFF);
}else if(lcddev.id==0X5510)
{
LCD_WR_REG(lcddev.setxcmd);LCD_WR_DATA(x>>8);
LCD_WR_REG(lcddev.setxcmd+1);LCD_WR_DATA(x&0XFF);
LCD_WR_REG(lcddev.setycmd);LCD_WR_DATA(y>>8);
LCD_WR_REG(lcddev.setycmd+1);LCD_WR_DATA(y&0XFF);
}else if(lcddev.id==0X1963)
{
if(lcddev.dir==0)x=lcddev.width-1-x;
LCD_WR_REG(lcddev.setxcmd);
LCD_WR_DATA(x>>8);LCD_WR_DATA(x&0XFF);
LCD_WR_DATA(x>>8);LCD_WR_DATA(x&0XFF);
LCD_WR_REG(lcddev.setycmd);
LCD_WR_DATA(y>>8);LCD_WR_DATA(y&0XFF);
LCD_WR_DATA(y>>8);LCD_WR_DATA(y&0XFF);
}else if(lcddev.id==0X6804)
{
if(lcddev.dir==1)x=lcddev.width-1-x;//横屏时处理
LCD_WR_REG(lcddev.setxcmd);
LCD_WR_DATA(x>>8);LCD_WR_DATA(x&0XFF);
LCD_WR_REG(lcddev.setycmd);
LCD_WR_DATA(y>>8);LCD_WR_DATA(y&0XFF);
}else
{
if(lcddev.dir==1)x=lcddev.width-1-x;//横屏其实就是调转x,y坐标
LCD_WriteReg(lcddev.setxcmd,x);
LCD_WriteReg(lcddev.setycmd,y);
}
LCD_RS_CLR;
LCD_CS_CLR;
DATAOUT(lcddev.wramcmd);//写指令
LCD_WR_CLR;
LCD_WR_SET;
LCD_CS_SET;
LCD_WR_DATA(color); //写数据
}
//SSD1963 背光设置
//pwm:背光等级,0~100.越大越亮.
void LCD_SSD_BackLightSet(u8 pwm)
{
LCD_WR_REG(0xBE); //配置PWM输出
LCD_WR_DATA(0x05); //1设置PWM频率
LCD_WR_DATA(pwm*2.55);//2设置PWM占空比
LCD_WR_DATA(0x01); //3设置C
LCD_WR_DATA(0xFF); //4设置D
LCD_WR_DATA(0x00); //5设置E
LCD_WR_DATA(0x00); //6设置F
}
//设置LCD显示方向
//dir:0,竖屏；1,横屏
void LCD_Display_Dir(u8 dir)
{
if(dir==0) //竖屏
{
lcddev.dir=0; //竖屏
lcddev.width=240;
lcddev.height=320;
if(lcddev.id==0X9341||lcddev.id==0X6804||lcddev.id==0X5310)
{
lcddev.wramcmd=0X2C;
lcddev.setxcmd=0X2A;
lcddev.setycmd=0X2B;
if(lcddev.id==0X6804||lcddev.id==0X5310)
{
lcddev.width=320;
lcddev.height=480;
}
}else if(lcddev.id==0x5510)
{
lcddev.wramcmd=0X2C00;
lcddev.setxcmd=0X2A00;
lcddev.setycmd=0X2B00;
lcddev.width=480;
lcddev.height=800;
}else if(lcddev.id==0X1963)
{
lcddev.wramcmd=0X2C; //设置写入GRAM的指令
lcddev.setxcmd=0X2B; //设置写X坐标指令
lcddev.setycmd=0X2A; //设置写Y坐标指令
lcddev.width=480; //设置宽度480
lcddev.height=800; //设置高度800
}else
{
lcddev.wramcmd=0X22;
lcddev.setxcmd=0X20;
lcddev.setycmd=0X21;
}
}else //横屏
{
lcddev.dir=1; //横屏
lcddev.width=320;
lcddev.height=240;
if(lcddev.id==0X9341||lcddev.id==0X5310)
{
lcddev.wramcmd=0X2C;
lcddev.setxcmd=0X2A;
lcddev.setycmd=0X2B;
}else if(lcddev.id==0X6804)
{
lcddev.wramcmd=0X2C;
lcddev.setxcmd=0X2B;
lcddev.setycmd=0X2A;
}else if(lcddev.id==0x5510)
{
lcddev.wramcmd=0X2C00;
lcddev.setxcmd=0X2A00;
lcddev.setycmd=0X2B00;
lcddev.width=800;
lcddev.height=480;
}else if(lcddev.id==0X1963)
{
lcddev.wramcmd=0X2C; //设置写入GRAM的指令
lcddev.setxcmd=0X2A; //设置写X坐标指令
lcddev.setycmd=0X2B; //设置写Y坐标指令
lcddev.width=800; //设置宽度800
lcddev.height=480; //设置高度480
}else
{
lcddev.wramcmd=0X22;
lcddev.setxcmd=0X21;
lcddev.setycmd=0X20;
}
if(lcddev.id==0X6804||lcddev.id==0X5310)
{
lcddev.width=480;
lcddev.height=320;
}
}
LCD_Scan_Dir(DFT_SCAN_DIR); //默认扫描方向
}
//设置窗口,并自动设置画点坐标到窗口左上角(sx,sy).
//sx,sy:窗口起始坐标(左上角)
//width,height:窗口宽度和高度,必须大于0!!
//窗体大小:width*height.
void LCD_Set_Window(u16 sx,u16 sy,u16 width,u16 height)
{
u8 hsareg,heareg,vsareg,veareg;
u16 hsaval,heaval,vsaval,veaval;
u16 twidth,theight;
twidth=sx+width-1;
theight=sy+height-1;
if(lcddev.id==0X9341||lcddev.id==0X5310||lcddev.id==0X6804||(lcddev.dir==1&&lcddev.id==0X1963))
{
LCD_WR_REG(lcddev.setxcmd);
LCD_WR_DATA(sx>>8);
LCD_WR_DATA(sx&0XFF);
LCD_WR_DATA(twidth>>8);
LCD_WR_DATA(twidth&0XFF);
LCD_WR_REG(lcddev.setycmd);
LCD_WR_DATA(sy>>8);
LCD_WR_DATA(sy&0XFF);
LCD_WR_DATA(theight>>8);
LCD_WR_DATA(theight&0XFF);
}else if(lcddev.id==0X1963)//1963竖屏特殊处理
{
sx=lcddev.width-width-sx;
height=sy+height-1;
LCD_WR_REG(lcddev.setxcmd);
LCD_WR_DATA(sx>>8);
LCD_WR_DATA(sx&0XFF);
LCD_WR_DATA((sx+width-1)>>8);
LCD_WR_DATA((sx+width-1)&0XFF);
LCD_WR_REG(lcddev.setycmd);
LCD_WR_DATA(sy>>8);
LCD_WR_DATA(sy&0XFF);
LCD_WR_DATA(height>>8);
LCD_WR_DATA(height&0XFF);
}else if(lcddev.id==0X5510)
{
LCD_WR_REG(lcddev.setxcmd);LCD_WR_DATA(sx>>8);
LCD_WR_REG(lcddev.setxcmd+1);LCD_WR_DATA(sx&0XFF);
LCD_WR_REG(lcddev.setxcmd+2);LCD_WR_DATA(twidth>>8);
LCD_WR_REG(lcddev.setxcmd+3);LCD_WR_DATA(twidth&0XFF);
LCD_WR_REG(lcddev.setycmd);LCD_WR_DATA(sy>>8);
LCD_WR_REG(lcddev.setycmd+1);LCD_WR_DATA(sy&0XFF);
LCD_WR_REG(lcddev.setycmd+2);LCD_WR_DATA(theight>>8);
LCD_WR_REG(lcddev.setycmd+3);LCD_WR_DATA(theight&0XFF);
}else //其他驱动IC
{
if(lcddev.dir==1)//横屏
{
//窗口值
hsaval=sy;
heaval=theight;
vsaval=lcddev.width-twidth-1;
veaval=lcddev.width-sx-1;
}else
{
hsaval=sx;
heaval=twidth;
vsaval=sy;
veaval=theight;
}
hsareg=0X50;heareg=0X51;//水平方向窗口寄存器
vsareg=0X52;veareg=0X53;//垂直方向窗口寄存器
//设置寄存器值
LCD_WriteReg(hsareg,hsaval);
LCD_WriteReg(heareg,heaval);
LCD_WriteReg(vsareg,vsaval);
LCD_WriteReg(veareg,veaval);
LCD_SetCursor(sx,sy); //设置光标位置
}
}
//初始化lcd
//该初始化函数可以初始化各种ALIENTEK出品的LCD液晶屏
//本函数占用较大flash,用户可以根据自己的实际情况,删掉未用到的LCD初始化代码.以节省空间.
void LCD_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOB|RCC_APB2Periph_AFIO, ENABLE); //使能PORTB,C时钟和AFIO时钟
// GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable , ENABLE);//开启SWD，失能JTAG
GPIO_PinRemapConfig(GPIO_Remap_SWJ_Disable , ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10|GPIO_Pin_9|GPIO_Pin_8|GPIO_Pin_7|GPIO_Pin_6; ///PORTC6~10复用推挽输出
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure); //GPIOC
GPIO_SetBits(GPIOC,GPIO_Pin_10|GPIO_Pin_9|GPIO_Pin_8|GPIO_Pin_7|GPIO_Pin_6);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All; // PORTB推挽输出
GPIO_Init(GPIOB, &GPIO_InitStructure); //GPIOB
GPIO_SetBits(GPIOB,GPIO_Pin_All);
delay_ms(50); // delay 50 ms
LCD_WriteReg(0x0000,0x0001);
delay_ms(50); // delay 50 ms
lcddev.id = LCD_ReadReg(0x0000);
if(lcddev.id<0XFF||lcddev.id==0XFFFF||lcddev.id==0X9300)//读到ID不正确,新增lcddev.id==0X9300判断，因为9341在未被复位的情况下会被读成9300
{
//尝试9341 ID的读取
LCD_WR_REG(0XD3);
LCD_RD_DATA(); //dummy read
LCD_RD_DATA(); //读到0X00
lcddev.id=LCD_RD_DATA(); //读取93
lcddev.id<<=8;
lcddev.id|=LCD_RD_DATA(); //读取41
if(lcddev.id!=0X9341) //非9341,尝试是不是6804
{
LCD_WR_REG(0XBF);
LCD_RD_DATA(); //dummy read
LCD_RD_DATA(); //读回0X01
LCD_RD_DATA(); //读回0XD0
lcddev.id=LCD_RD_DATA();//这里读回0X68
lcddev.id<<=8;
lcddev.id|=LCD_RD_DATA();//这里读回0X04
if(lcddev.id!=0X6804) //也不是6804,尝试看看是不是NT35310
{
LCD_WR_REG(0XD4);
LCD_RD_DATA(); //dummy read
LCD_RD_DATA(); //读回0X01
lcddev.id=LCD_RD_DATA(); //读回0X53
lcddev.id<<=8;
lcddev.id|=LCD_RD_DATA(); //这里读回0X10
if(lcddev.id!=0X5310) //也不是NT35310,尝试看看是不是NT35510
{
LCD_WR_REG(0XDA00);
LCD_RD_DATA(); //读回0X00
LCD_WR_REG(0XDB00);
lcddev.id=LCD_RD_DATA();//读回0X80
lcddev.id<<=8;
LCD_WR_REG(0XDC00);
lcddev.id|=LCD_RD_DATA();//读回0X00
if(lcddev.id==0x8000)lcddev.id=0x5510;//NT35510读回的ID是8000H,为方便区分,我们强制设置为5510
if(lcddev.id!=0X5510) //也不是NT5510,尝试看看是不是SSD1963
{
LCD_WR_REG(0XA1);
lcddev.id=LCD_RD_DATA();
lcddev.id=LCD_RD_DATA(); //读回0X57
lcddev.id<<=8;
lcddev.id|=LCD_RD_DATA(); //读回0X61
if(lcddev.id==0X5761)lcddev.id=0X1963;//SSD1963读回的ID是5761H,为方便区分,我们强制设置为1963
}
}
}
}
}
// printf(" LCD ID:%x\r\n",lcddev.id); //打印LCD ID
if(lcddev.id==0X9341) //9341初始化
{
LCD_WR_REG(0xCF);
LCD_WR_DATAX(0x00);
LCD_WR_DATAX(0xC1);
LCD_WR_DATAX(0X30);
LCD_WR_REG(0xED);
LCD_WR_DATAX(0x64);
LCD_WR_DATAX(0x03);
LCD_WR_DATAX(0X12);
LCD_WR_DATAX(0X81);
LCD_WR_REG(0xE8);
LCD_WR_DATAX(0x85);
LCD_WR_DATAX(0x10);
LCD_WR_DATAX(0x7A);
LCD_WR_REG(0xCB);
LCD_WR_DATAX(0x39);
LCD_WR_DATAX(0x2C);
LCD_WR_DATAX(0x00);
LCD_WR_DATAX(0x34);
LCD_WR_DATAX(0x02);
LCD_WR_REG(0xF7);
LCD_WR_DATAX(0x20);
LCD_WR_REG(0xEA);
LCD_WR_DATAX(0x00);
LCD_WR_DATAX(0x00);
LCD_WR_REG(0xC0); //Power control
LCD_WR_DATAX(0x1B); //VRH[5:0]
LCD_WR_REG(0xC1); //Power control
LCD_WR_DATAX(0x01); //SAP[2:0];BT[3:0]
LCD_WR_REG(0xC5); //VCM control
LCD_WR_DATAX(0x30); //3F
LCD_WR_DATAX(0x30); //3C
LCD_WR_REG(0xC7); //VCM control2
LCD_WR_DATAX(0XB7);
LCD_WR_REG(0x36); // Memory Access Control
LCD_WR_DATAX(0x48);
LCD_WR_REG(0x3A);
LCD_WR_DATAX(0x55);
LCD_WR_REG(0xB1);
LCD_WR_DATAX(0x00);
LCD_WR_DATAX(0x1A);
LCD_WR_REG(0xB6); // Display Function Control
LCD_WR_DATAX(0x0A);
LCD_WR_DATAX(0xA2);
LCD_WR_REG(0xF2); // 3Gamma Function Disable
LCD_WR_DATAX(0x00);
LCD_WR_REG(0x26); //Gamma curve selected
LCD_WR_DATAX(0x01);
LCD_WR_REG(0xE0); //Set Gamma
LCD_WR_DATAX(0x0F);
LCD_WR_DATAX(0x2A);
LCD_WR_DATAX(0x28);
LCD_WR_DATAX(0x08);
LCD_WR_DATAX(0x0E);
LCD_WR_DATAX(0x08);
LCD_WR_DATAX(0x54);
LCD_WR_DATAX(0XA9);
LCD_WR_DATAX(0x43);
LCD_WR_DATAX(0x0A);
LCD_WR_DATAX(0x0F);
LCD_WR_DATAX(0x00);
LCD_WR_DATAX(0x00);
LCD_WR_DATAX(0x00);
LCD_WR_DATAX(0x00);
LCD_WR_REG(0XE1); //Set Gamma
LCD_WR_DATAX(0x00);
LCD_WR_DATAX(0x15);
LCD_WR_DATAX(0x17);
LCD_WR_DATAX(0x07);
LCD_WR_DATAX(0x11);
LCD_WR_DATAX(0x06);
LCD_WR_DATAX(0x2B);
LCD_WR_DATAX(0x56);
LCD_WR_DATAX(0x3C);
LCD_WR_DATAX(0x05);
LCD_WR_DATAX(0x10);
LCD_WR_DATAX(0x0F);
LCD_WR_DATAX(0x3F);
LCD_WR_DATAX(0x3F);
LCD_WR_DATAX(0x0F);
LCD_WR_REG(0x2B);
LCD_WR_DATAX(0x00);
LCD_WR_DATAX(0x00);
LCD_WR_DATAX(0x01);
LCD_WR_DATAX(0x3f);
LCD_WR_REG(0x2A);
LCD_WR_DATAX(0x00);
LCD_WR_DATAX(0x00);
LCD_WR_DATAX(0x00);
LCD_WR_DATAX(0xef);
LCD_WR_REG(0x11); //Exit Sleep
delay_ms(120);
LCD_WR_REG(0x29); //display on
}
LCD_Display_Dir(0); //默认为竖屏
LCD_LED=1; //点亮背光
LCD_Clear(WHITE);
}
//清屏函数
//color:要清屏的填充色
void LCD_Clear(u16 color)
{
u32 index=0;
u32 totalpoint=lcddev.width;
totalpoint*=lcddev.height; //得到总点数
if((lcddev.id==0X6804)&&(lcddev.dir==1))//6804横屏的时候特殊处理
{
lcddev.dir=0;
lcddev.setxcmd=0X2A;
lcddev.setycmd=0X2B;
LCD_SetCursor(0x00,0x0000); //设置光标位置
lcddev.dir=1;
lcddev.setxcmd=0X2B;
lcddev.setycmd=0X2A;
}else LCD_SetCursor(0x00,0x0000); //设置光标位置
LCD_WriteRAM_Prepare(); //开始写入GRAM
for(index=0;index<totalpoint;index++)LCD_WR_DATA(color);
}
//在指定区域内填充指定颜色
//区域大小:(xend-xsta+1)*(yend-ysta+1)
//xsta
//color:要填充的颜色
void LCD_Fill(u16 sx,u16 sy,u16 ex,u16 ey,u16 color)
{
u16 i,j;
u16 xlen=0;
u16 temp;
if((lcddev.id==0X6804)&&(lcddev.dir==1)) //6804横屏的时候特殊处理
{
temp=sx;
sx=sy;
sy=lcddev.width-ex-1;
ex=ey;
ey=lcddev.width-temp-1;
lcddev.dir=0;
lcddev.setxcmd=0X2A;
lcddev.setycmd=0X2B;
LCD_Fill(sx,sy,ex,ey,color);
lcddev.dir=1;
lcddev.setxcmd=0X2B;
lcddev.setycmd=0X2A;
}else
{
xlen=ex-sx+1;
for(i=sy;i<=ey;i++)
{
LCD_SetCursor(sx,i); //设置光标位置
LCD_WriteRAM_Prepare(); //开始写入GRAM
for(j=0;j<xlen;j++)LCD_WR_DATA(color); //设置光标位置
}
}
}
//在指定区域内填充指定颜色块
//(sx,sy),(ex,ey):填充矩形对角坐标,区域大小为:(ex-sx+1)*(ey-sy+1)
//color:要填充的颜色
void LCD_Color_Fill(u16 sx,u16 sy,u16 ex,u16 ey,u16 *color)
{
u16 height,width;
u16 i,j;
width=ex-sx+1; //得到填充的宽度
height=ey-sy+1; //高度
for(i=0;i<height;i++)
{
LCD_SetCursor(sx,sy+i); //设置光标位置
LCD_WriteRAM_Prepare(); //开始写入GRAM
for(j=0;j<width;j++)LCD_WR_DATA(color[i*width+j]);//写入数据
}
}
//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
//(x1,y1),(x2,y2):矩形的对角坐标
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 LCD_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+a,y0-b); //5
LCD_DrawPoint(x0+b,y0-a); //0
LCD_DrawPoint(x0+b,y0+a); //4
LCD_DrawPoint(x0+a,y0+b); //6
LCD_DrawPoint(x0-a,y0+b); //1
LCD_DrawPoint(x0-b,y0+a);
LCD_DrawPoint(x0-a,y0-b); //2
LCD_DrawPoint(x0-b,y0-a); //7
a++;
//使用Bresenham算法画圆
if(di<0)di +=4*a+6;
else
{
di+=10+4*(a-b);
b--;
}
}
}
//在指定位置显示一个字符
//x,y:起始坐标
//num:要显示的字符:" "--->"~"
//size:字体大小 12/16/24
//mode:叠加方式(1)还是非叠加方式(0)
void LCD_ShowChar(u16 x,u16 y,u8 num,u8 size,u8 mode)
{
u8 temp,t1,t;
u16 y0=y;
u8 csize=(size/8+((size%8)?1:0))*(size/2); //得到字体一个字符对应点阵集所占的字节数
num=num-' ';//得到偏移后的值（ASCII字库是从空格开始取模，所以-' '就是对应字符的字库）
for(t=0;t<csize;t++)
{
if(size==12)temp=asc2_1206[num][t]; //调用1206字体
else if(size==16)temp=asc2_1608[num][t]; //调用1608字体
else if(size==24)temp=asc2_2412[num][t]; //调用2412字体
else return; //没有的字库
for(t1=0;t1<8;t1++)
{
if(temp&0x80)LCD_Fast_DrawPoint(x,y,POINT_COLOR);
else if(mode==0)LCD_Fast_DrawPoint(x,y,BACK_COLOR);
temp<<=1;
y++;
if(y>=lcddev.height)return; //超区域了
if((y-y0)==size)
{
y=y0;
x++;
if(x>=lcddev.width)return; //超区域了
break;
}
}
}
}
//m^n函数
//返回值:m^n次方.
u32 LCD_Pow(u8 m,u8 n)
{
u32 result=1;
while(n--)result*=m;
return result;
}
//显示数字,高位为0,则不显示
//x,y :起点坐标
//len :数字的位数
//size:字体大小
//color:颜色
//num:数值(0~4294967295);
void LCD_ShowNum(u16 x,u16 y,u32 num,u8 len,u8 size)
{
u8 t,temp;
u8 enshow=0;
for(t=0;t<len;t++)
{
temp=(num/LCD_Pow(10,len-t-1))%10;
if(enshow==0&&t<(len-1))
{
if(temp==0)
{
LCD_ShowChar(x+(size/2)*t,y,' ',size,0);
continue;
}else enshow=1;
}
LCD_ShowChar(x+(size/2)*t,y,temp+'0',size,0);
}
}
//显示数字,高位为0,还是显示
//x,y:起点坐标
//num:数值(0~999999999);
//len:长度(即要显示的位数)
//size:字体大小
//mode:
//[7]:0,不填充;1,填充0.
//[6:1]:保留
//[0]:0,非叠加显示;1,叠加显示.
void LCD_ShowxNum(u16 x,u16 y,u32 num,u8 len,u8 size,u8 mode)
{
u8 t,temp;
u8 enshow=0;
for(t=0;t<len;t++)
{
temp=(num/LCD_Pow(10,len-t-1))%10;
if(enshow==0&&t<(len-1))
{
if(temp==0)
{
if(mode&0X80)LCD_ShowChar(x+(size/2)*t,y,'0',size,mode&0X01);
else LCD_ShowChar(x+(size/2)*t,y,' ',size,mode&0X01);
continue;
}else enshow=1;
}
LCD_ShowChar(x+(size/2)*t,y,temp+'0',size,mode&0X01);
}
}
//显示字符串
//x,y:起点坐标
//width,height:区域大小
//size:字体大小
//*p:字符串起始地址
void LCD_ShowString(u16 x,u16 y,u16 width,u16 height,u8 size,u8 *p)
{
u8 x0=x;
width+=x;
height+=y;
while((*p<='~')&&(*p>=' '))//判断是不是非法字符!
{
if(x>=width){x=x0;y+=size;}
if(y>=height)break;//退出
LCD_ShowChar(x,y,*p,size,0);
x+=size/2;
p++;
}
}