stm32 红外接收与学习

只看该作者 · 2018-10-18 13:14

需要对LCD 屏幕进行驱动显示

只看该作者 · 2018-10-18 13:14

//管理LCD重要参数
//默认为竖屏
_lcd_dev lcddev;

//写寄存器函数
//regval:寄存器值
void LCD_WR_REG(u16 regval)
{
LCD->LCD_REG=regval;//写入要写的寄存器序号
}
//写LCD数据
//data:要写入的值
void LCD_WR_DATA(u16 data)
{
LCD->LCD_RAM=data;
}
//读LCD数据
//返回值:读到的值
u16 LCD_RD_DATA(void)
{
vu16 ram; //防止被优化
ram=LCD->LCD_RAM;
return ram;
}

只看该作者 · 2018-10-18 13:15

//写寄存器
//LCD_Reg:寄存器地址
//LCD_RegValue:要写入的数据
void LCD_WriteReg(u16 LCD_Reg,u16 LCD_RegValue)
{
LCD->LCD_REG = LCD_Reg; //写入要写的寄存器序号
LCD->LCD_RAM = LCD_RegValue;//写入数据
}
//读寄存器
//LCD_Reg:寄存器地址
//返回值:读到的数据
u16 LCD_ReadReg(u16 LCD_Reg)
{
LCD_WR_REG(LCD_Reg); //写入要读的寄存器序号
delay_us(5);
return LCD_RD_DATA(); //返回读到的值
}

只看该作者 · 2018-10-18 13:16

//开始写GRAM
void LCD_WriteRAM_Prepare(void)
{
LCD->LCD_REG=lcddev.wramcmd;
}
//LCD写GRAM
//RGB_Code:颜色值
void LCD_WriteRAM(u16 RGB_Code)
{
LCD->LCD_RAM = RGB_Code;//写十六位GRAM
}

只看该作者 · 2018-10-18 13:22

//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--);
}

只看该作者 · 2018-10-18 13:23

//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=0,g=0,b=0;
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
if(lcddev.id==0X9320)opt_delay(2); //FOR 9320,延时2us
r=LCD_RD_DATA(); //dummy Read
if(lcddev.id==0X1963)return r; //1963直接读就可以
opt_delay(2);
r=LCD_RD_DATA();          //实际坐标颜色
if(lcddev.id==0X9341||lcddev.id==0X5310||lcddev.id==0X5510) //9341/NT35310/NT35510要分2次读出
{
opt_delay(2);
b=LCD_RD_DATA();
g=r&0XFF; //对于9341/5310/5510,第一次读取的是RG的值,R在前,G在后,各占8位
g<<=8;
}
if(lcddev.id==0X9325||lcddev.id==0X4535||lcddev.id==0X4531||lcddev.id==0XB505||lcddev.id==0XC505)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
}

只看该作者 · 2018-10-18 13:23

//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
}

只看该作者 · 2018-10-18 13:24

//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);
}
}

只看该作者 · 2018-10-18 14:46

//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);
}
}

只看该作者 · 2018-10-18 14:50

//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->LCD_RAM=POINT_COLOR;
}

只看该作者 · 2018-10-18 16:10

//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->LCD_REG=lcddev.wramcmd;
LCD->LCD_RAM=color;
}

只看该作者 · 2018-10-18 16:10

//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
}

只看该作者 · 2018-10-18 17:02

//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
}

只看该作者 · 2018-10-18 17:03

//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
}
}

只看该作者 · 2018-10-18 17:21

GPIO_InitTypeDef GPIO_InitStructure;
FSMC_NORSRAMInitTypeDef  FSMC_NORSRAMInitStructure;
  FSMC_NORSRAMTimingInitTypeDef  readWriteTiming;
FSMC_NORSRAMTimingInitTypeDef  writeTiming;

  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC,ENABLE); //使能FSMC时钟
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOE|RCC_APB2Periph_GPIOG,ENABLE);//使能PORTB,D,E,G以及AFIO复用功能时钟

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;    //PB0 推挽输出背光
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;    //推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);

//PORTD复用推挽输出
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_14|GPIO_Pin_15;    // //PORTD复用推挽输出
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;    //复用推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOD, &GPIO_InitStructure);

//PORTE复用推挽输出
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15;    // //PORTD复用推挽输出
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;    //复用推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOE, &GPIO_InitStructure);

   // //PORTG12复用推挽输出 A0
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_12;    // //PORTD复用推挽输出
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;    //复用推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOG, &GPIO_InitStructure);

只看该作者 · 2018-10-18 17:21

  FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM4;//  这里我们使用NE4 ，也就对应BTCR[6],[7]。
  FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable; // 不复用数据地址
  FSMC_NORSRAMInitStructure.FSMC_MemoryType =FSMC_MemoryType_SRAM;// FSMC_MemoryType_SRAM;  //SRAM
  FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b;//存储器数据宽度为16bit
  FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode =FSMC_BurstAccessMode_Disable;// FSMC_BurstAccessMode_Disable;
  FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low;
FSMC_NORSRAMInitStructure.FSMC_AsynchronousWait=FSMC_AsynchronousWait_Disable;
  FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable;
  FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState;
  FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable; //  存储器写使能
  FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable;
  FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Enable; // 读写使用不同的时序
  FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable;
  FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &readWriteTiming; //读写时序
  FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &writeTiming;  //写时序

  FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure);  //初始化FSMC配置

FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM4, ENABLE);  // 使能BANK1

只看该作者 · 2018-10-18 17:22

//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->LCD_RAM=color;
}
}

1万 · 2018-10-22 12:56

非常感谢楼主分享

1万 · 2018-10-22 14:40

我理解的红外是不是必须无遮挡的啊

stm32 红外接收与学习

无冕之王奖章

奔腾之江水

经常做客