[问答]

移植原子哥的TFTLCD显示移植到自己的开发板，驱动芯片9325，现在串口可以读到液晶ID，但液晶为啥不显示？

2819 TFT

问答对人有帮助，内容完整，我也想知道答案 0 #ifndef __LCD_H #define __LCD_H #include "sys.h" #include "stdlib.h" ////////////////////////////////////////////////////////////////////////////////// //本程序只供学习使用，未经作者许可，不得用于其它任何用途 //ALIENTEK战舰STM32开发板 //2.4/2.8寸TFT液晶驱动 //支持驱动IC型号包括:ILI9341/ILI9325/RM68021/ILI9320/ILI9328/LGDP4531/LGDP4535/SPFD5408/SSD1289/1505/B505/C505等 //正点原子@ALIENTEK //修改日期:2012/9/11 //版本：V1.9 //版权所有，盗版必究。 //Copyright(C) 广州市星翼电子科技有限公司 2009-2019 //All rights reserved //******************************************************************************** //V1.2修改说明 //支持了SPFD5408的驱动,另外把液晶ID直接打印成HEX格式.方便查看LCD驱动IC. //V1.3 //加入了快速IO的支持 //修改了背光控制的极性（适用于V1.8及以后的开发板版本） //对于1.8版本之前(不包括1.8)的液晶模块,请修改LCD_Init函数的LCD_LED=1;为LCD_LED=1; //V1.4 //修改了LCD_ShowChar函数，使用画点功能画字符。 //加入了横竖屏显示的支持 //V1.5 20110730 //1,修改了B505液晶读颜色有误的bug. //2,修改了快速IO及横竖屏的设置方式. //V1.6 20111116 //1,加入对LGDP4535液晶的驱动支持 //V1.7 20120713 //1,增加LCD_RD_DATA函数 //2,增加对ILI9341的支持 //3,增加ILI9325的独立驱动代码 //4,增加LCD_Scan_Dir函数(慎重使用) //6,另外修改了部分原来的函数,以适应9341的操作 //V1.8 20120905 //1,加入LCD重要参数设置结构体lcddev //2,加入LCD_Display_Dir函数,支持在线横竖屏切换 //V1.9 20120911 //1,新增RM68042驱动（ID:6804），但是6804不支持横屏显示！！原因：改变扫描方式， //导致6804坐标设置失效，试过很多方法都不行，暂时无解。 ////////////////////////////////////////////////////////////////////////////////// //LCD重要参数集 typedef struct { u16 width; //LCD 宽度 u16 height; //LCD 高度 u16 id; //LCD ID u8 dir; //横屏还是竖屏控制：0，竖屏；1，横屏。 u8 wramcmd; //开始写gram指令 u8 setxcmd; //设置x坐标指令 u8 setycmd; //设置y坐标指令 }_lcd_dev; //LCD参数 extern _lcd_dev lcddev; //管理LCD重要参数 //LCD的画笔颜色和背景色 extern u16 POINT_COLOR;//默认红色 extern u16 BACK_COLOR; //背景颜色.默认为白色 ////////////////////////////////////////////////////////////////////////////////// //-----------------LCD端口定义---------------- //#define LCD_LED PBout(0) //LCD背光 PB0 //LCD地址结构体 typedef struct { u16 LCD_REG; u16 LCD_RAM; } LCD_TypeDef; //使用NOR/SRAM的 Bank1.sector4,地址位HADDR[27,26]=11 A16作为数据命令区分线 //注意设置时STM32内部会右移一位对其! 111110=0X3E #define LCD_BASE ((u32)(0x60000000 \|(1<<16+1))) #define LCD ((LCD_TypeDef ) LCD_BASE) ////////////////////////////////////////////////////////////////////////////////// //扫描方向定义 #define L2R_U2D 0 //从左到右,从上到下 #define L2R_D2U 1 //从左到右,从下到上 #define R2L_U2D 2 //从右到左,从上到下 #define R2L_D2U 3 //从右到左,从下到上 #define U2D_L2R 4 //从上到下,从左到右 #define U2D_R2L 5 //从上到下,从右到左 #define D2U_L2R 6 //从下到上,从左到右 #define D2U_R2L 7 //从下到上,从右到左 #define DFT_SCAN_DIR L2R_U2D //默认的扫描方向 //画笔颜色 #define WHITE 0xFFFF #define BLACK 0x0000 #define BLUE 0x001F #define BRED 0XF81F #define GRED 0XFFE0 #define GBLUE 0X07FF #define RED 0xF800 #define MAGENTA 0xF81F #define GREEN 0x07E0 #define CYAN 0x7FFF #define YELLOW 0xFFE0 #define BROWN 0XBC40 //棕色 #define BRRED 0XFC07 //棕红色 #define GRAY 0X8430 //灰色 //GUI颜色 #define DARKBLUE 0X01CF //深蓝色 #define LIGHTBLUE 0X7D7C //浅蓝色 #define GRAYBLUE 0X5458 //灰蓝色 //以上三色为PANEL的颜色 #define LIGHTGREEN 0X841F //浅绿色 //#define LIGHTGRAY 0XEF5B //浅灰色(PANNEL) #define LGRAY 0XC618 //浅灰色(PANNEL),窗体背景色 #define LGRAYBLUE 0XA651 //浅灰蓝色(中间层颜色) #define LBBLUE 0X2B12 //浅棕蓝色(选择条目的反色) void LCD_Init(void); //初始化 void LCD_DisplayOn(void); //开显示 void LCD_DisplayOff(void); //关显示 void LCD_Clear(u16 Color); //清屏 void LCD_SetCursor(u16 Xpos, u16 Ypos); //设置光标 void LCD_DrawPoint(u16 x,u16 y); //画点 void LCD_Fast_DrawPoint(u16 x,u16 y,u16 color); //快速画点 u16 LCD_ReadPoint(u16 x,u16 y); //读点 void Draw_Circle(u16 x0,u16 y0,u8 r); //画圆 void LCD_DrawLine(u16 x1, u16 y1, u16 x2, u16 y2); //画线 void LCD_DrawRectangle(u16 x1, u16 y1, u16 x2, u16 y2); //画矩形 void LCD_Fill(u16 sx,u16 sy,u16 ex,u16 ey,u16 color); //填充单色 void LCD_Color_Fill(u16 sx,u16 sy,u16 ex,u16 ey,u16 color); //填充指定颜色 void LCD_ShowChar(u16 x,u16 y,u8 num,u8 size,u8 mode); //显示一个字符 void LCD_ShowNum(u16 x,u16 y,u32 num,u8 len,u8 size); //显示一个数字 void LCD_ShowxNum(u16 x,u16 y,u32 num,u8 len,u8 size,u8 mode); //显示数字 void LCD_ShowString(u16 x,u16 y,u16 width,u16 height,u8 size,u8 p); //显示一个字符串,12/16字体 void LCD_WriteReg(u8 LCD_Reg, u16 LCD_RegValue); u16 LCD_ReadReg(u8 LCD_Reg); void LCD_WriteRAM_Prepare(void); void LCD_WriteRAM(u16 RGB_Code); void LCD_Scan_Dir(u8 dir); //设置屏扫描方向 void LCD_Display_Dir(u8 dir); //设置屏幕显示方向 //9320/9325 LCD寄存器 #define R0 0x00 #define R1 0x01 #define R2 0x02 #define R3 0x03 #define R4 0x04 #define R5 0x05 #define R6 0x06 #define R7 0x07 #define R8 0x08 #define R9 0x09 #define R10 0x0A #define R12 0x0C #define R13 0x0D #define R14 0x0E #define R15 0x0F #define R16 0x10 #define R17 0x11 #define R18 0x12 #define R19 0x13 #define R20 0x14 #define R21 0x15 #define R22 0x16 #define R23 0x17 #define R24 0x18 #define R25 0x19 #define R26 0x1A #define R27 0x1B #define R28 0x1C #define R29 0x1D #define R30 0x1E #define R31 0x1F #define R32 0x20 #define R33 0x21 #define R34 0x22 #define R36 0x24 #define R37 0x25 #define R40 0x28 #define R41 0x29 #define R43 0x2B #define R45 0x2D #define R48 0x30 #define R49 0x31 #define R50 0x32 #define R51 0x33 #define R52 0x34 #define R53 0x35 #define R54 0x36 #define R55 0x37 #define R56 0x38 #define R57 0x39 #define R59 0x3B #define R60 0x3C #define R61 0x3D #define R62 0x3E #define R63 0x3F #define R64 0x40 #define R65 0x41 #define R66 0x42 #define R67 0x43 #define R68 0x44 #define R69 0x45 #define R70 0x46 #define R71 0x47 #define R72 0x48 #define R73 0x49 #define R74 0x4A #define R75 0x4B #define R76 0x4C #define R77 0x4D #define R78 0x4E #define R79 0x4F #define R80 0x50 #define R81 0x51 #define R82 0x52 #define R83 0x53 #define R96 0x60 #define R97 0x61 #define R106 0x6A #define R118 0x76 #define R128 0x80 #define R129 0x81 #define R130 0x82 #define R131 0x83 #define R132 0x84 #define R133 0x85 #define R134 0x86 #define R135 0x87 #define R136 0x88 #define R137 0x89 #define R139 0x8B #define R140 0x8C #define R141 0x8D #define R143 0x8F #define R144 0x90 #define R145 0x91 #define R146 0x92 #define R147 0x93 #define R148 0x94 #define R149 0x95 #define R150 0x96 #define R151 0x97 #define R152 0x98 #define R153 0x99 #define R154 0x9A #define R157 0x9D #define R192 0xC0 #define R193 0xC1 #define R229 0xE5 #endif #include "lcd.h" #include "stdlib.h" #include "font.h" #include "usart.h" #include "delay.h" #include "led.h" ////////////////////////////////////////////////////////////////////////////////// //本程序只供学习使用，未经作者许可，不得用于其它任何用途 //ALIENTEK战舰STM32开发板 //2.4/2.8寸/3.5寸 TFT液晶驱动 //支持驱动IC型号包括:ILI9341/ILI9325/RM68042/RM68021/ILI9320/ILI9328/LGDP4531/LGDP4535/SPFD5408/SSD1289/1505/B505/C505等 //正点原子@ALIENTEK //技术论坛:www.openedv.com //修改日期:2012/10/7 //版本：V2.2 //版权所有，盗版必究。 //Copyright(C) 广州市星翼电子科技有限公司 2009-2019 //All rights reserved //******************************************************************************* //V1.2修改说明 //支持了SPFD5408的驱动,另外把液晶ID直接打印成HEX格式.方便查看LCD驱动IC. //V1.3 //加入了快速IO的支持 //修改了背光控制的极性（适用于V1.8及以后的开发板版本） //对于1.8版本之前(不包括1.8)的液晶模块,请修改LCD_Init函数的LCD_LED=1;为LCD_LED=1; //V1.4 //修改了LCD_ShowChar函数，使用画点功能画字符。 //加入了横竖屏显示的支持 //V1.5 20110730 //1,修改了B505液晶读颜色有误的bug. //2,修改了快速IO及横竖屏的设置方式. //V1.6 20111116 //1,加入对LGDP4535液晶的驱动支持 //V1.7 20120713 //1,增加LCD_RD_DATA函数 //2,增加对ILI9341的支持 //3,增加ILI9325的独立驱动代码 //4,增加LCD_Scan_Dir函数(慎重使用) //6,另外修改了部分原来的函数,以适应9341的操作 //V1.8 20120905 //1,加入LCD重要参数设置结构体lcddev //2,加入LCD_Display_Dir函数,支持在线横竖屏切换 //V1.9 20120911 //1,新增RM68042驱动（ID:6804），但是6804不支持横屏显示！！原因：改变扫描方式， //导致6804坐标设置失效，试过很多方法都不行，暂时无解。 //V2.0 20120924 //在不硬件复位的情况下,ILI9341的ID读取会被误读成9300,修改LCD_Init,将无法识别 //的情况（读到ID为9300/非法ID）,强制指定驱动IC为ILI9341，执行9341的初始化。 //V2.1 20120930 //修正ILI9325读颜色的bug。 //V2.2 20121007 //修正LCD_Scan_Dir的bug。 ////////////////////////////////////////////////////////////////////////////////// //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 //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) { return LCD->LCD_RAM; } //写寄存器 //LCD_Reg:寄存器地址 //LCD_RegValue:要写入的数据 void LCD_WriteReg(u8 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(u8 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 } //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 } //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=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)LCD_WR_REG(0X2E);//9341/6804 发送读GRAM指令 else LCD_WR_REG(R34); //其他IC发送读GRAM指令 if(lcddev.id==0X9320)opt_delay(2); //FOR 9320,延时2us if(LCD->LCD_RAM)r=0; //dummy Read opt_delay(2); r=LCD->LCD_RAM; //实际坐标颜色 if(lcddev.id==0X9341)//9341要分2次读出 { opt_delay(2); b=LCD->LCD_RAM; 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)r=LCD->LCD_RAM;//6804第二次读取的才是真实值 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)return (((r>>11)<<11)\|((g>>10)<<5)\|(b>>11)); //ILI9341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)LCD_WR_REG(0X29); //开启显示 else LCD_WriteReg(R7,0x0173); //开启显示 } //LCD关闭显示 void LCD_DisplayOff(void) { if(lcddev.id==0X9341\|\|lcddev.id==0X6804)LCD_WR_REG(0X28); //关闭显示 else LCD_WriteReg(R7,0x0);//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==0X6804) { 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.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/b505/8989/5408/9341等IC已经实际测试 void LCD_Scan_Dir(u8 dir) { u16 regval=0; u8 dirreg=0; u16 temp; if(lcddev.dir==1&&lcddev.id!=0X6804)//横屏时，对6804不改变扫描方向！ { 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)//9341/6804,很特殊 { 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; } dirreg=0X36; regval\|=0X08;//BGR if(lcddev.id==0X6804)regval\|=0x02;//6804的BIT6和9341的反了 LCD_WriteReg(dirreg,regval); if(regval&0X20) { if(lcddev.width { 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; } } 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; } if(lcddev.id==0x8989)//8989 IC { dirreg=0X11; regval\|=0X6040; //65K }else//其他驱动IC { 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->LCD_RAM=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==0X6804) { 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; } //设置LCD显示方向（6804不支持横屏显示） //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.wramcmd=0X2C; lcddev.setxcmd=0X2A; lcddev.setycmd=0X2B; if(lcddev.id==0X6804) { lcddev.width=320; lcddev.height=480; } }else if(lcddev.id==0X8989) { lcddev.wramcmd=R34; lcddev.setxcmd=0X4E; lcddev.setycmd=0X4F; }else { lcddev.wramcmd=R34; lcddev.setxcmd=R32; lcddev.setycmd=R33; } }else if(lcddev.id!=0X6804)//6804不支持横屏显示 { lcddev.dir=1;//横屏 lcddev.width=320; lcddev.height=240; if(lcddev.id==0X9341) { lcddev.wramcmd=0X2C; lcddev.setxcmd=0X2A; lcddev.setycmd=0X2B; }else if(lcddev.id==0X8989) { lcddev.wramcmd=R34; lcddev.setxcmd=0X4F; lcddev.setycmd=0X4E; }else { lcddev.wramcmd=R34; lcddev.setxcmd=R33; lcddev.setycmd=R32; } } LCD_Scan_Dir(DFT_SCAN_DIR); //默认扫描方向 } //初始化lcd //该初始化函数可以初始化各种ILI93XX液晶,但是其他函数是基于ILI9320的!!! //在其他型号的驱动芯片上没有测试! void LCD_Init(void) { GPIO_InitTypeDef GPIO_InitStructure; FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure; FSMC_NORSRAMtimingInitTypeDef FSMC_NORSRAMTimingInitStructure; /* Enable FSMC, GPIOD, GPIOE, GPIOF, GPIOG and AFIO clocks / RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD \| RCC_APB2Periph_GPIOE \| RCC_APB2Periph_AFIO, ENABLE); / Set PD.00(D2), PD.01(D3), PD.04(NOE), PD.05(NWE), PD.08(D13), PD.09(D14), PD.10(D15), PD.11(A16), PD.14(D0), PD.15(D1) as alternate function push pull / 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_11 \| GPIO_Pin_14 \| GPIO_Pin_15; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_Init(GPIOD, &GPIO_InitStructure); / Set PE.07(D4), PE.08(D5), PE.09(D6), PE.10(D7), PE.11(D8), PE.12(D9), PE.13(D10), PE.14(D11), PE.15(D12) as alternate function push pull / 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; GPIO_Init(GPIOE, &GPIO_InitStructure); / Set PG.12(NE4), PG.13(A24) as alternate function push pull - CE3(LCD /CS) / GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; GPIO_Init(GPIOD, &GPIO_InitStructure); /74HC139 EN LCD/ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13; GPIO_Init(GPIOD, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOD, &GPIO_InitStructure); GPIO_ResetBits(GPIOD, GPIO_Pin_12); //取消 LCD RESET。 delay_ms(100); GPIO_SetBits(GPIOD, GPIO_Pin_12); //取消 LCD RESET。 delay_ms(100); / FSMC读速度设置 / FSMC_NORSRAMTimingInitStructure.FSMC_AddressSetupTime = 15;//5; / 地址建立时间 / FSMC_NORSRAMTimingInitStructure.FSMC_AddressHoldTime = 15; FSMC_NORSRAMTimingInitStructure.FSMC_DataSetupTime = 15;//5; / 数据建立时间 / FSMC_NORSRAMTimingInitStructure.FSMC_BusTurnAroundDuration = 0x00; FSMC_NORSRAMTimingInitStructure.FSMC_CLKDivision = 0x00; FSMC_NORSRAMTimingInitStructure.FSMC_DataLatency = 0x00; FSMC_NORSRAMTimingInitStructure.FSMC_AccessMode = FSMC_AccessMode_A; / FSMC 访问模式 / FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM1; FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable; FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_SRAM; FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b; FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable; FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low; FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable; FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState; FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable; FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable; FSMC_NORSRAMInitStructure.FSMC_AsynchronousWait = FSMC_AsynchronousWait_Disable; FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable; FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable; FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &FSMC_NORSRAMTimingInitStructure; FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); / FSMC写速度设置 / FSMC_NORSRAMTimingInitStructure.FSMC_AddressSetupTime = 5;//1; / 地址建立时间 / FSMC_NORSRAMTimingInitStructure.FSMC_AddressHoldTime = 0; FSMC_NORSRAMTimingInitStructure.FSMC_DataSetupTime = 10;//1; / 数据建立时间 / FSMC_NORSRAMTimingInitStructure.FSMC_BusTurnAroundDuration = 0x00; FSMC_NORSRAMTimingInitStructure.FSMC_CLKDivision = 0x00; FSMC_NORSRAMTimingInitStructure.FSMC_DataLatency = 0x00; FSMC_NORSRAMTimingInitStructure.FSMC_AccessMode = FSMC_AccessMode_A; / FSMC 访问模式 / FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &FSMC_NORSRAMTimingInitStructure; FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); / Enable FSMC Bank4_SRAM Bank / FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM1, ENABLE); 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!=0X9341&&lcddev.id!=0X6804)lcddev.id=0x9341;//新增，用于识别9341 } printf(" LCD ID:%xrn",lcddev.id); //打印LCD ID if(lcddev.id==0X9341) //9341初始化 { LCD_WR_REG(0xCF); LCD_WR_DATA(0x00); LCD_WR_DATA(0xC1); LCD_WR_DATA(0X30); LCD_WR_REG(0xED); LCD_WR_DATA(0x64); LCD_WR_DATA(0x03); LCD_WR_DATA(0X12); LCD_WR_DATA(0X81); LCD_WR_REG(0xE8); LCD_WR_DATA(0x85); LCD_WR_DATA(0x10); LCD_WR_DATA(0x7A); LCD_WR_REG(0xCB); LCD_WR_DATA(0x39); LCD_WR_DATA(0x2C); LCD_WR_DATA(0x00); LCD_WR_DATA(0x34); LCD_WR_DATA(0x02); LCD_WR_REG(0xF7); LCD_WR_DATA(0x20); LCD_WR_REG(0xEA); LCD_WR_DATA(0x00); LCD_WR_DATA(0x00); LCD_WR_REG(0xC0); //Power control LCD_WR_DATA(0x1B); //VRH[5:0] LCD_WR_REG(0xC1); //Power control LCD_WR_DATA(0x01); //SAP[2:0];BT[3:0] LCD_WR_REG(0xC5); //VCM control LCD_WR_DATA(0x30); //3F LCD_WR_DATA(0x30); //3C LCD_WR_REG(0xC7); //VCM control2 LCD_WR_DATA(0XB7); LCD_WR_REG(0x36); // Memory Access Control LCD_WR_DATA(0x48); LCD_WR_REG(0x3A); LCD_WR_DATA(0x55); LCD_WR_REG(0xB1); LCD_WR_DATA(0x00); LCD_WR_DATA(0x1A); LCD_WR_REG(0xB6); // Display Function Control LCD_WR_DATA(0x0A); LCD_WR_DATA(0xA2); LCD_WR_REG(0xF2); // 3Gamma Function Disable LCD_WR_DATA(0x00); LCD_WR_REG(0x26); //Gamma curve selected LCD_WR_DATA(0x01); LCD_WR_REG(0xE0); //Set Gamma LCD_WR_DATA(0x0F); LCD_WR_DATA(0x2A); LCD_WR_DATA(0x28); LCD_WR_DATA(0x08); LCD_WR_DATA(0x0E); LCD_WR_DATA(0x08); LCD_WR_DATA(0x54); LCD_WR_DATA(0XA9); LCD_WR_DATA(0x43); LCD_WR_DATA(0x0A); LCD_WR_DATA(0x0F); LCD_WR_DATA(0x00); LCD_WR_DATA(0x00); LCD_WR_DATA(0x00); LCD_WR_DATA(0x00); LCD_WR_REG(0XE1); //Set Gamma LCD_WR_DATA(0x00); LCD_WR_DATA(0x15); LCD_WR_DATA(0x17); LCD_WR_DATA(0x07); LCD_WR_DATA(0x11); LCD_WR_DATA(0x06); LCD_WR_DATA(0x2B); LCD_WR_DATA(0x56); LCD_WR_DATA(0x3C); LCD_WR_DATA(0x05); LCD_WR_DATA(0x10); LCD_WR_DATA(0x0F); LCD_WR_DATA(0x3F); LCD_WR_DATA(0x3F); LCD_WR_DATA(0x0F); LCD_WR_REG(0x2B); LCD_WR_DATA(0x00); LCD_WR_DATA(0x00); LCD_WR_DATA(0x01); LCD_WR_DATA(0x3f); LCD_WR_REG(0x2A); LCD_WR_DATA(0x00); LCD_WR_DATA(0x00); LCD_WR_DATA(0x00); LCD_WR_DATA(0xef); LCD_WR_REG(0x11); //Exit Sleep delay_ms(120); LCD_WR_REG(0x29); //display on }else if(lcddev.id==0x6804) //6804初始化 { LCD_WR_REG(0X11); delay_ms(20); LCD_WR_REG(0XD0);//VCI1 VCL VGH VGL DDVDH VREG1OUT power amplitude setting LCD_WR_DATA(0X07); LCD_WR_DATA(0X42); LCD_WR_DATA(0X1D); LCD_WR_REG(0XD1);//VCOMH VCOM_AC amplitude setting LCD_WR_DATA(0X00); LCD_WR_DATA(0X1a); LCD_WR_DATA(0X09); LCD_WR_REG(0XD2);//Operational Amplifier Circuit Constant Current Adjust , charge pump frequency setting LCD_WR_DATA(0X01); LCD_WR_DATA(0X22); LCD_WR_REG(0XC0);//REV SM GS LCD_WR_DATA(0X10); LCD_WR_DATA(0X3B); LCD_WR_DATA(0X00); LCD_WR_DATA(0X02); LCD_WR_DATA(0X11); LCD_WR_REG(0XC5);// Frame rate setting = 72HZ when setting 0x03 LCD_WR_DATA(0X03); LCD_WR_REG(0XC8);//Gamma setting LCD_WR_DATA(0X00); LCD_WR_DATA(0X25); LCD_WR_DATA(0X21); LCD_WR_DATA(0X05); LCD_WR_DATA(0X00); LCD_WR_DATA(0X0a); LCD_WR_DATA(0X65); LCD_WR_DATA(0X25); LCD_WR_DATA(0X77); LCD_WR_DATA(0X50); LCD_WR_DATA(0X0f); LCD_WR_DATA(0X00); LCD_WR_REG(0XF8); LCD_WR_DATA(0X01); LCD_WR_REG(0XFE); LCD_WR_DATA(0X00); LCD_WR_DATA(0X02); LCD_WR_REG(0X20);//Exit invert mode LCD_WR_REG(0X36); LCD_WR_DATA(0X08);//原来是a LCD_WR_REG(0X3A); LCD_WR_DATA(0X55);//16位模式 LCD_WR_REG(0X2B); LCD_WR_DATA(0X00); LCD_WR_DATA(0X00); LCD_WR_DATA(0X01); LCD_WR_DATA(0X3F); LCD_WR_REG(0X2A); LCD_WR_DATA(0X00); LCD_WR_DATA(0X00); LCD_WR_DATA(0X01); LCD_WR_DATA(0XDF); delay_ms(120); LCD_WR_REG(0X29); }else if(lcddev.id==0x9325)//9325 { LED0=0; LCD_WriteReg(0x00E5, 0x78F0); / set SRAM internal timing / LCD_WriteReg(0x0001, 0x0100); / set Driver Output Control / LCD_WriteReg(0x0002, 0x0700); / set 1 line inversion / LCD_WriteReg(0x0003, 0x1030); / set GRAM write direction and BGR=1 / LCD_WriteReg(0x0004, 0x0000); / Resize register / LCD_WriteReg(0x0008, 0x0207); / set the back porch and front porch / LCD_WriteReg(0x0009, 0x0000); / set non-display area refresh cycle ISC[3:0] / LCD_WriteReg(0x000A, 0x0000); / FMARK function / LCD_WriteReg(0x000C, 0x0000); / RGB interface setting / LCD_WriteReg(0x000D, 0x0000); / Frame marker Position / LCD_WriteReg(0x000F, 0x0000); / RGB interface polarity / /**********Power On sequence *************/ LCD_WriteReg(0x0010, 0x0000); / SAP, BT[3:0], AP, DSTB, SLP, STB / LCD_WriteReg(0x0011, 0x0007); / DC1[2:0], DC0[2:0], VC[2:0] / LCD_WriteReg(0x0012, 0x0000); / VREG1OUT voltage / LCD_WriteReg(0x0013, 0x0000); / VDV[4:0] for VCOM amplitude / LCD_WriteReg(0x0007, 0x0001); delay_ms(200); / Dis-charge capacitor power voltage / LCD_WriteReg(0x0010, 0x1090); / SAP, BT[3:0], AP, DSTB, SLP, STB / LCD_WriteReg(0x0011, 0x0227); / Set DC1[2:0], DC0[2:0], VC[2:0] / delay_ms(50); / Delay 50ms / LCD_WriteReg(0x0012, 0x001F); delay_ms(50); / Delay 50ms / LCD_WriteReg(0x0013, 0x1500); / VDV[4:0] for VCOM amplitude / LCD_WriteReg(0x0029, 0x0027); / 04 VCM[5:0] for VCOMH / LCD_WriteReg(0x002B, 0x000D); / Set Frame Rate / delay_ms(50); / Delay 50ms / LCD_WriteReg(0x0020, 0x0000); / GRAM horizontal Address / LCD_WriteReg(0x0021, 0x0000); / GRAM Vertical Address / / ----------- Adjust the Gamma Curve ---------- / LCD_WriteReg(0x0030, 0x0000); LCD_WriteReg(0x0031, 0x0707); LCD_WriteReg(0x0032, 0x0307); LCD_WriteReg(0x0035, 0x0200); LCD_WriteReg(0x0036, 0x0008); LCD_WriteReg(0x0037, 0x0004); LCD_WriteReg(0x0038, 0x0000); LCD_WriteReg(0x0039, 0x0707); LCD_WriteReg(0x003C, 0x0002); LCD_WriteReg(0x003D, 0x1D04); / ------------------ Set GRAM area --------------- / LCD_WriteReg(0x0050, 0x0000); / Horizontal GRAM Start Address / LCD_WriteReg(0x0051, 0x00EF); / Horizontal GRAM End Address / LCD_WriteReg(0x0052, 0x0000); / Vertical GRAM Start Address / LCD_WriteReg(0x0053, 0x013F); / Vertical GRAM Start Address / LCD_WriteReg(0x0060, 0xA700); / Gate Scan Line / LCD_WriteReg(0x0061, 0x0001); / NDL,VLE, REV / LCD_WriteReg(0x006A, 0x0000); / set scrolling line / / -------------- Partial Display Control --------- / LCD_WriteReg(0x0080, 0x0000); LCD_WriteReg(0x0081, 0x0000); LCD_WriteReg(0x0082, 0x0000); LCD_WriteReg(0x0083, 0x0000); LCD_WriteReg(0x0084, 0x0000); LCD_WriteReg(0x0085, 0x0000); / -------------- Panel Control ------------------- / LCD_WriteReg(0x0090, 0x0010); LCD_WriteReg(0x0092, 0x0600); LCD_WriteReg(0x0007, 0x0133); / 262K color and display ON / }else if(lcddev.id==0x9328)//ILI9328 OK { LCD_WriteReg(0x00EC,0x108F);// internal timeing LCD_WriteReg(0x00EF,0x1234);// ADD //LCD_WriteReg(0x00e7,0x0010); //LCD_WriteReg(0x0000,0x0001);//开启内部时钟 LCD_WriteReg(0x0001,0x0100); LCD_WriteReg(0x0002,0x0700);//电源开启 //LCD_WriteReg(0x0003,(1<<3)\|(1<<4) ); //65K RGB //DRIVE TABLE(寄存器 03H) //BIT3=AM BIT4:5=ID0:1 //AM ID0 ID1 FUNCATION // 0 0 0 R->L D->U // 1 0 0 D->U R->L // 0 1 0 L->R D->U // 1 1 0 D->U L->R // 0 0 1 R->L U->D // 1 0 1 U->D R->L // 0 1 1 L->R U->D 正常就用这个. // 1 1 1 U->D L->R LCD_WriteReg(0x0003,(1<<12)\|(3<<4)\|(0<<3) );//65K LCD_WriteReg(0x0004,0x0000); LCD_WriteReg(0x0008,0x0202); LCD_WriteReg(0x0009,0x0000); LCD_WriteReg(0x000a,0x0000);//display setting LCD_WriteReg(0x000c,0x0001);//display setting LCD_WriteReg(0x000d,0x0000);//0f3c LCD_WriteReg(0x000f,0x0000); //电源配置 LCD_WriteReg(0x0010,0x0000); LCD_WriteReg(0x0011,0x0007); LCD_WriteReg(0x0012,0x0000); LCD_WriteReg(0x0013,0x0000); LCD_WriteReg(0x0007,0x0001); delay_ms(50); LCD_WriteReg(0x0010,0x1490); LCD_WriteReg(0x0011,0x0227); delay_ms(50); LCD_WriteReg(0x0012,0x008A); delay_ms(50); LCD_WriteReg(0x0013,0x1a00); LCD_WriteReg(0x0029,0x0006); LCD_WriteReg(0x002b,0x000d); delay_ms(50); LCD_WriteReg(0x0020,0x0000); LCD_WriteReg(0x0021,0x0000); delay_ms(50); //伽马校正 LCD_WriteReg(0x0030,0x0000); LCD_WriteReg(0x0031,0x0604); LCD_WriteReg(0x0032,0x0305); LCD_WriteReg(0x0035,0x0000); LCD_WriteReg(0x0036,0x0C09); LCD_WriteReg(0x0037,0x0204); LCD_WriteReg(0x0038,0x0301); LCD_WriteReg(0x0039,0x0707); LCD_WriteReg(0x003c,0x0000); LCD_WriteReg(0x003d,0x0a0a); delay_ms(50); LCD_WriteReg(0x0050,0x0000); //水平GRAM起始位置 LCD_WriteReg(0x0051,0x00ef); //水平GRAM终止位置 LCD_WriteReg(0x0052,0x0000); //垂直GRAM起始位置 LCD_WriteReg(0x0053,0x013f); //垂直GRAM终止位置 LCD_WriteReg(0x0060,0xa700); LCD_WriteReg(0x0061,0x0001); LCD_WriteReg(0x006a,0x0000); LCD_WriteReg(0x0080,0x0000); LCD_WriteReg(0x0081,0x0000); LCD_WriteReg(0x0082,0x0000); LCD_WriteReg(0x0083,0x0000); LCD_WriteReg(0x0084,0x0000); LCD_WriteReg(0x0085,0x0000); LCD_WriteReg(0x0090,0x0010); LCD_WriteReg(0x0092,0x0600); //开启显示设置 LCD_WriteReg(0x0007,0x0133); }else if(lcddev.id==0x9320)//测试OK. { LCD_WriteReg(0x00,0x0000); LCD_WriteReg(0x01,0x0100); //Driver Output Contral. LCD_WriteReg(0x02,0x0700); //LCD Driver Waveform Contral. LCD_WriteReg(0x03,0x1030);//Entry Mode Set. //LCD_WriteReg(0x03,0x1018); //Entry Mode Set. LCD_WriteReg(0x04,0x0000); //Scalling Contral. LCD_WriteReg(0x08,0x0202); //Display Contral 2.(0x0207) LCD_WriteReg(0x09,0x0000); //Display Contral 3.(0x0000) LCD_WriteReg(0x0a,0x0000); //Frame Cycle Contal.(0x0000) LCD_WriteReg(0x0c,(1<<0)); //Extern Display Interface Contral 1.(0x0000) LCD_WriteReg(0x0d,0x0000); //Frame Maker Position. LCD_WriteReg(0x0f,0x0000); //Extern Display Interface Contral 2. delay_ms(50); LCD_WriteReg(0x07,0x0101); //Display Contral. delay_ms(50); LCD_WriteReg(0x10,(1<<12)\|(0<<8)\|(1<<7)\|(1<<6)\|(0<<4)); //Power Control 1.(0x16b0) LCD_WriteReg(0x11,0x0007); //Power Control 2.(0x0001) LCD_WriteReg(0x12,(1<<8)\|(1<<4)\|(0<<0)); //Power Control 3.(0x0138) LCD_WriteReg(0x13,0x0b00); //Power Control 4. LCD_WriteReg(0x29,0x0000); //Power Control 7. LCD_WriteReg(0x2b,(1<<14)\|(1<<4)); LCD_WriteReg(0x50,0); //Set X Star //水平GRAM终止位置Set X End. LCD_WriteReg(0x51,239); //Set Y Star LCD_WriteReg(0x52,0); //Set Y End.t. LCD_WriteReg(0x53,319); // LCD_WriteReg(0x60,0x2700); //Driver Output Control. LCD_WriteReg(0x61,0x0001); //Driver Output Control. LCD_WriteReg(0x6a,0x0000); //Vertical Srcoll Control. LCD_WriteReg(0x80,0x0000); //Display Position? Partial Display 1. LCD_WriteReg(0x81,0x0000); //RAM Address Start? Partial Display 1. LCD_WriteReg(0x82,0x0000); //RAM Address End-Partial Display 1. LCD_WriteReg(0x83,0x0000); //Displsy Position? Partial Display 2. LCD_WriteReg(0x84,0x0000); //RAM Address Start? Partial Display 2. LCD_WriteReg(0x85,0x0000); //RAM Address End? Partial Display 2. LCD_WriteReg(0x90,(0<<7)\|(16<<0)); //Frame Cycle Contral.(0x0013) LCD_WriteReg(0x92,0x0000); //Panel Interface Contral 2.(0x0000) LCD_WriteReg(0x93,0x0001); //Panel Interface Contral 3. LCD_WriteReg(0x95,0x0110); //Frame Cycle Contral.(0x0110) LCD_WriteReg(0x97,(0<<8)); // LCD_WriteReg(0x98,0x0000); //Frame Cycle Contral. LCD_WriteReg(0x07,0x0173); //(0x0173) }else if(lcddev.id==0X9331)//OK \|/\|/\| { LCD_WriteReg(0x00E7, 0x1014); LCD_WriteReg(0x0001, 0x0100); // set SS and SM bit LCD_WriteReg(0x0002, 0x0200); // set 1 line inversion LCD_WriteReg(0x0003,(1<<12)\|(3<<4)\|(1<<3));//65K //LCD_WriteReg(0x0003, 0x1030); // set GRAM write direction and BGR=1. LCD_WriteReg(0x0008, 0x0202); // set the back porch and front porch LCD_WriteReg(0x0009, 0x0000); // set non-display area refresh cycle ISC[3:0] LCD_WriteReg(0x000A, 0x0000); // FMARK function LCD_WriteReg(0x000C, 0x0000); // RGB interface setting LCD_WriteReg(0x000D, 0x0000); // Frame marker Position LCD_WriteReg(0x000F, 0x0000); // RGB interface polarity //**********Power On sequence *************// LCD_WriteReg(0x0010, 0x0000); // SAP, BT[3:0], AP, DSTB, SLP, STB LCD_WriteReg(0x0011, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0] LCD_WriteReg(0x0012, 0x0000); // VREG1OUT voltage LCD_WriteReg(0x0013, 0x0000); // VDV[4:0] for VCOM amplitude delay_ms(200); // Dis-charge capacitor power voltage LCD_WriteReg(0x0010, 0x1690); // SAP, BT[3:0], AP, DSTB, SLP, STB LCD_WriteReg(0x0011, 0x0227); // DC1[2:0], DC0[2:0], VC[2:0] delay_ms(50); // Delay 50ms LCD_WriteReg(0x0012, 0x000C); // Internal reference voltage= Vci; delay_ms(50); // Delay 50ms LCD_WriteReg(0x0013, 0x0800); // Set VDV[4:0] for VCOM amplitude LCD_WriteReg(0x0029, 0x0011); // Set VCM[5:0] for VCOMH LCD_WriteReg(0x002B, 0x000B); // Set Frame Rate delay_ms(50); // Delay 50ms LCD_WriteReg(0x0020, 0x0000); // GRAM horizontal Address LCD_WriteReg(0x0021, 0x013f); // GRAM Vertical Address // ----------- Adjust the Gamma Curve ----------// LCD_WriteReg(0x0030, 0x0000); LCD_WriteReg(0x0031, 0x0106); LCD_WriteReg(0x0032, 0x0000); LCD_WriteReg(0x0035, 0x0204); LCD_WriteReg(0x0036, 0x160A); LCD_WriteReg(0x0037, 0x0707); LCD_WriteReg(0x0038, 0x0106); LCD_WriteReg(0x0039, 0x0707); LCD_WriteReg(0x003C, 0x0402); LCD_WriteReg(0x003D, 0x0C0F); //------------------ Set GRAM area ---------------// LCD_WriteReg(0x0050, 0x0000); // Horizontal GRAM Start Address LCD_WriteReg(0x0051, 0x00EF); // Horizontal GRAM End Address LCD_WriteReg(0x0052, 0x0000); // Vertical GRAM Start Address LCD_WriteReg(0x0053, 0x013F); // Vertical GRAM Start Address LCD_WriteReg(0x0060, 0x2700); // Gate Scan Line LCD_WriteReg(0x0061, 0x0001); // NDL,VLE, REV LCD_WriteReg(0x006A, 0x0000); // set scrolling line //-------------- Partial Display Control ---------// LCD_WriteReg(0x0080, 0x0000); LCD_WriteReg(0x0081, 0x0000); LCD_WriteReg(0x0082, 0x0000); LCD_WriteReg(0x0083, 0x0000); LCD_WriteReg(0x0084, 0x0000); LCD_WriteReg(0x0085, 0x0000); //-------------- Panel Control -------------------// LCD_WriteReg(0x0090, 0x0010); LCD_WriteReg(0x0092, 0x0600); LCD_WriteReg(0x0007, 0x0133); // 262K color and display ON }else if(lcddev.id==0x5408) { LCD_WriteReg(0x01,0x0100); LCD_WriteReg(0x02,0x0700);//LCD Driving Waveform Contral LCD_WriteReg(0x03,0x1030);//Entry Mode设置 //指针从左至右自上而下的自动增模式 //Normal Mode(Window Mode disable) //RGB格式 //16位数据2次传输的8总线设置 LCD_WriteReg(0x04,0x0000); //Scalling Control register LCD_WriteReg(0x08,0x0207); //Display Control 2 LCD_WriteReg(0x09,0x0000); //Display Control 3 LCD_WriteReg(0x0A,0x0000); //Frame Cycle Control LCD_WriteReg(0x0C,0x0000); //External Display Interface Control 1 LCD_WriteReg(0x0D,0x0000); //Frame Maker Position LCD_WriteReg(0x0F,0x0000); //External Display Interface Control 2 delay_ms(20); //TFT 液晶彩色图像显示方法14 LCD_WriteReg(0x10,0x16B0); //0x14B0 //Power Control 1 LCD_WriteReg(0x11,0x0001); //0x0007 //Power Control 2 LCD_WriteReg(0x17,0x0001); //0x0000 //Power Control 3 LCD_WriteReg(0x12,0x0138); //0x013B //Power Control 4 LCD_WriteReg(0x13,0x0800); //0x0800 //Power Control 5 LCD_WriteReg(0x29,0x0009); //NVM read data 2 LCD_WriteReg(0x2a,0x0009); //NVM read data 3 LCD_WriteReg(0xa4,0x0000); LCD_WriteReg(0x50,0x0000); //设置操作窗口的X轴开始列 LCD_WriteReg(0x51,0x00EF); //设置操作窗口的X轴结束列 LCD_WriteReg(0x52,0x0000); //设置操作窗口的Y轴开始行 LCD_WriteReg(0x53,0x013F); //设置操作窗口的Y轴结束行 LCD_WriteReg(0x60,0x2700); //Driver Output Control //设置屏幕的点数以及扫描的起始行 LCD_WriteReg(0x61,0x0001); //Driver Output Control LCD_WriteReg(0x6A,0x0000); //Vertical Scroll Control LCD_WriteReg(0x80,0x0000); //Display Position – Partial Display 1 LCD_WriteReg(0x81,0x0000); //RAM Address Start – Partial Display 1 LCD_WriteReg(0x82,0x0000); //RAM address End - Partial Display 1 LCD_WriteReg(0x83,0x0000); //Display Position – Partial Display 2 LCD_WriteReg(0x84,0x0000); //RAM Address Start – Partial Display 2 LCD_WriteReg(0x85,0x0000); //RAM address End – Partail Display2 LCD_WriteReg(0x90,0x0013); //Frame Cycle Control LCD_WriteReg(0x92,0x0000); //Panel Interface Control 2 LCD_WriteReg(0x93,0x0003); //Panel Interface control 3 LCD_WriteReg(0x95,0x0110); //Frame Cycle Control LCD_WriteReg(0x07,0x0173); delay_ms(50); } else if(lcddev.id==0x1505)//OK { // second release on 3/5 ,luminance is acceptable,water wave appear during camera preview LCD_WriteReg(0x0007,0x0000); delay_ms(50); LCD_WriteReg(0x0012,0x011C);//0x011A why need to set several times? LCD_WriteReg(0x00A4,0x0001);//NVM LCD_WriteReg(0x0008,0x000F); LCD_WriteReg(0x000A,0x0008); LCD_WriteReg(0x000D,0x0008); //伽马校正 LCD_WriteReg(0x0030,0x0707); LCD_WriteReg(0x0031,0x0007); //0x0707 LCD_WriteReg(0x0032,0x0603); LCD_WriteReg(0x0033,0x0700); LCD_WriteReg(0x0034,0x0202); LCD_WriteReg(0x0035,0x0002); //?0x0606 LCD_WriteReg(0x0036,0x1F0F); LCD_WriteReg(0x0037,0x0707); //0x0f0f 0x0105 LCD_WriteReg(0x0038,0x0000); LCD_WriteReg(0x0039,0x0000); LCD_WriteReg(0x003A,0x0707); LCD_WriteReg(0x003B,0x0000); //0x0303 LCD_WriteReg(0x003C,0x0007); //?0x0707 LCD_WriteReg(0x003D,0x0000); //0x1313//0x1f08 delay_ms(50); LCD_WriteReg(0x0007,0x0001); LCD_WriteReg(0x0017,0x0001);//开启电源 delay_ms(50); //电源配置 LCD_WriteReg(0x0010,0x17A0); LCD_WriteReg(0x0011,0x0217);//reference voltage VC[2:0] Vciout = 1.00Vcivl LCD_WriteReg(0x0012,0x011E);//0x011c //Vreg1out = Vcilvl1.80 is it the same as Vgama1out ? LCD_WriteReg(0x0013,0x0F00);//VDV[4:0]-->VCOM Amplitude VcomL = VcomH - Vcom Ampl LCD_WriteReg(0x002A,0x0000); LCD_WriteReg(0x0029,0x000A);//0x0001F Vcomh = VCM1[4:0]Vreg1out gate source voltage?? LCD_WriteReg(0x0012,0x013E);// 0x013C power supply on //Coordinates Control// LCD_WriteReg(0x0050,0x0000);//0x0e00 LCD_WriteReg(0x0051,0x00EF); LCD_WriteReg(0x0052,0x0000); LCD_WriteReg(0x0053,0x013F); //Pannel Image Control// LCD_WriteReg(0x0060,0x2700); LCD_WriteReg(0x0061,0x0001); LCD_WriteReg(0x006A,0x0000); LCD_WriteReg(0x0080,0x0000); //Partial Image Control// LCD_WriteReg(0x0081,0x0000); LCD_WriteReg(0x0082,0x0000); LCD_WriteReg(0x0083,0x0000); LCD_WriteReg(0x0084,0x0000); LCD_WriteReg(0x0085,0x0000); //Panel Interface Control// LCD_WriteReg(0x0090,0x0013);//0x0010 frenqucy LCD_WriteReg(0x0092,0x0300); LCD_WriteReg(0x0093,0x0005); LCD_WriteReg(0x0095,0x0000); LCD_WriteReg(0x0097,0x0000); LCD_WriteReg(0x0098,0x0000); LCD_WriteReg(0x0001,0x0100); LCD_WriteReg(0x0002,0x0700); LCD_WriteReg(0x0003,0x1038);//扫描方向上->下左->右 LCD_WriteReg(0x0004,0x0000); LCD_WriteReg(0x000C,0x0000); LCD_WriteReg(0x000F,0x0000); LCD_WriteReg(0x0020,0x0000); LCD_WriteReg(0x0021,0x0000); LCD_WriteReg(0x0007,0x0021); delay_ms(20); LCD_WriteReg(0x0007,0x0061); delay_ms(20); LCD_WriteReg(0x0007,0x0173); delay_ms(20); }else if(lcddev.id==0xB505) { LCD_WriteReg(0x0000,0x0000); LCD_WriteReg(0x0000,0x0000); LCD_WriteReg(0x0000,0x0000); LCD_WriteReg(0x0000,0x0000); LCD_WriteReg(0x00a4,0x0001); delay_ms(20); LCD_WriteReg(0x0060,0x2700); LCD_WriteReg(0x0008,0x0202); LCD_WriteReg(0x0030,0x0214); LCD_WriteReg(0x0031,0x3715); LCD_WriteReg(0x0032,0x0604); LCD_WriteReg(0x0033,0x0e16); LCD_WriteReg(0x0034,0x2211); LCD_WriteReg(0x0035,0x1500); LCD_WriteReg(0x0036,0x8507); LCD_WriteReg(0x0037,0x1407); LCD_WriteReg(0x0038,0x1403); LCD_WriteReg(0x0039,0x0020); LCD_WriteReg(0x0090,0x001a); LCD_WriteReg(0x0010,0x0000); LCD_WriteReg(0x0011,0x0007); LCD_WriteReg(0x0012,0x0000); LCD_WriteReg(0x0013,0x0000); delay_ms(20); LCD_WriteReg(0x0010,0x0730); LCD_WriteReg(0x0011,0x0137); delay_ms(20); LCD_WriteReg(0x0012,0x01b8); delay_ms(20); LCD_WriteReg(0x0013,0x0f00); LCD_WriteReg(0x002a,0x0080); LCD_WriteReg(0x0029,0x0048); delay_ms(20); LCD_WriteReg(0x0001,0x0100); LCD_WriteReg(0x0002,0x0700); LCD_WriteReg(0x0003,0x1038);//扫描方向上->下左->右 LCD_WriteReg(0x0008,0x0202); LCD_WriteReg(0x000a,0x0000); LCD_WriteReg(0x000c,0x0000); LCD_WriteReg(0x000d,0x0000); LCD_WriteReg(0x000e,0x0030); LCD_WriteReg(0x0050,0x0000); LCD_WriteReg(0x0051,0x00ef); LCD_WriteReg(0x0052,0x0000); LCD_WriteReg(0x0053,0x013f); LCD_WriteReg(0x0060,0x2700); LCD_WriteReg(0x0061,0x0001); LCD_WriteReg(0x006a,0x0000); //LCD_WriteReg(0x0080,0x0000); //LCD_WriteReg(0x0081,0x0000); LCD_WriteReg(0x0090,0X0011); LCD_WriteReg(0x0092,0x0600); LCD_WriteReg(0x0093,0x0402); LCD_WriteReg(0x0094,0x0002); delay_ms(20); LCD_WriteReg(0x0007,0x0001); delay_ms(20); LCD_WriteReg(0x0007,0x0061); LCD_WriteReg(0x0007,0x0173); LCD_WriteReg(0x0020,0x0000); LCD_WriteReg(0x0021,0x0000); LCD_WriteReg(0x00,0x22); }else if(lcddev.id==0xC505) { LCD_WriteReg(0x0000,0x0000); LCD_WriteReg(0x0000,0x0000); delay_ms(20); LCD_WriteReg(0x0000,0x0000); LCD_WriteReg(0x0000,0x0000); LCD_WriteReg(0x0000,0x0000); LCD_WriteReg(0x0000,0x0000); LCD_WriteReg(0x00a4,0x0001); delay_ms(20); LCD_WriteReg(0x0060,0x2700); LCD_WriteReg(0x0008,0x0806); LCD_WriteReg(0x0030,0x0703);//gamma setting LCD_WriteReg(0x0031,0x0001); LCD_WriteReg(0x0032,0x0004); LCD_WriteReg(0x0033,0x0102); LCD_WriteReg(0x0034,0x0300); LCD_WriteReg(0x0035,0x0103); LCD_WriteReg(0x0036,0x001F); LCD_WriteReg(0x0037,0x0703); LCD_WriteReg(0x0038,0x0001); LCD_WriteReg(0x0039,0x0004); LCD_WriteReg(0x0090, 0x0015); //80Hz LCD_WriteReg(0x0010, 0X0410); //BT,AP LCD_WriteReg(0x0011,0x0247); //DC1,DC0,VC LCD_WriteReg(0x0012, 0x01BC); LCD_WriteReg(0x0013, 0x0e00); delay_ms(120); LCD_WriteReg(0x0001, 0x0100); LCD_WriteReg(0x0002, 0x0200); LCD_WriteReg(0x0003, 0x1030); LCD_WriteReg(0x000A, 0x0008); LCD_WriteReg(0x000C, 0x0000); LCD_WriteReg(0x000E, 0x0020); LCD_WriteReg(0x000F, 0x0000); LCD_WriteReg(0x0020, 0x0000); //H Start LCD_WriteReg(0x0021, 0x0000); //V Start LCD_WriteReg(0x002A,0x003D); //vcom2 delay_ms(20); LCD_WriteReg(0x0029, 0x002d); LCD_WriteReg(0x0050, 0x0000); LCD_WriteReg(0x0051, 0xD0EF); LCD_WriteReg(0x0052, 0x0000); LCD_WriteReg(0x0053, 0x013F); LCD_WriteReg(0x0061, 0x0000); LCD_WriteReg(0x006A, 0x0000); LCD_WriteReg(0x0092,0x0300); LCD_WriteReg(0x0093, 0x0005); LCD_WriteReg(0x0007, 0x0100); }else if(lcddev.id==0x8989)//OK \|/\|/\| { LCD_WriteReg(0x0000,0x0001);//打开晶振 LCD_WriteReg(0x0003,0xA8A4);//0xA8A4 LCD_WriteReg(0x000C,0x0000); LCD_WriteReg(0x000D,0x080C); LCD_WriteReg(0x000E,0x2B00); LCD_WriteReg(0x001E,0x00B0); LCD_WriteReg(0x0001,0x2B3F);//驱动输出控制320240 0x6B3F LCD_WriteReg(0x0002,0x0600); LCD_WriteReg(0x0010,0x0000); LCD_WriteReg(0x0011,0x6078); //定义数据格式 16位色横屏 0x6058 LCD_WriteReg(0x0005,0x0000); LCD_WriteReg(0x0006,0x0000); LCD_WriteReg(0x0016,0xEF1C); LCD_WriteReg(0x0017,0x0003); LCD_WriteReg(0x0007,0x0233); //0x0233 LCD_WriteReg(0x000B,0x0000); LCD_WriteReg(0x000F,0x0000); //扫描开始地址 LCD_WriteReg(0x0041,0x0000); LCD_WriteReg(0x0042,0x0000); LCD_WriteReg(0x0048,0x0000); LCD_WriteReg(0x0049,0x013F); LCD_WriteReg(0x004A,0x0000); LCD_WriteReg(0x004B,0x0000); LCD_WriteReg(0x0044,0xEF00); LCD_WriteReg(0x0045,0x0000); LCD_WriteReg(0x0046,0x013F); LCD_WriteReg(0x0030,0x0707); LCD_WriteReg(0x0031,0x0204); LCD_WriteReg(0x0032,0x0204); LCD_WriteReg(0x0033,0x0502); LCD_WriteReg(0x0034,0x0507); LCD_WriteReg(0x0035,0x0204); LCD_WriteReg(0x0036,0x0204); LCD_WriteReg(0x0037,0x0502); LCD_WriteReg(0x003A,0x0302); LCD_WriteReg(0x003B,0x0302); LCD_WriteReg(0x0023,0x0000); LCD_WriteReg(0x0024,0x0000); LCD_WriteReg(0x0025,0x8000); LCD_WriteReg(0x004f,0); //行首址0 LCD_WriteReg(0x004e,0); //列首址0 }else if(lcddev.id==0x4531)//OK \|/\|/\| { LCD_WriteReg(0X00,0X0001); delay_ms(10); LCD_WriteReg(0X10,0X1628); LCD_WriteReg(0X12,0X000e);//0x0006 LCD_WriteReg(0X13,0X0A39); delay_ms(10); LCD_WriteReg(0X11,0X0040); LCD_WriteReg(0X15,0X0050); delay_ms(10); LCD_WriteReg(0X12,0X001e);//16 delay_ms(10); LCD_WriteReg(0X10,0X1620); LCD_WriteReg(0X13,0X2A39); delay_ms(10); LCD_WriteReg(0X01,0X0100); LCD_WriteReg(0X02,0X0300); LCD_WriteReg(0X03,0X1038);//改变方向的 LCD_WriteReg(0X08,0X0202); LCD_WriteReg(0X0A,0X0008); LCD_WriteReg(0X30,0X0000); LCD_WriteReg(0X31,0X0402); LCD_WriteReg(0X32,0X0106); LCD_WriteReg(0X33,0X0503); LCD_WriteReg(0X34,0X0104); LCD_WriteReg(0X35,0X0301); LCD_WriteReg(0X36,0X0707); LCD_WriteReg(0X37,0X0305); LCD_WriteReg(0X38,0X0208); LCD_WriteReg(0X39,0X0F0B); LCD_WriteReg(0X41,0X0002); LCD_WriteReg(0X60,0X2700); LCD_WriteReg(0X61,0X0001); LCD_WriteReg(0X90,0X0210); LCD_WriteReg(0X92,0X010A); LCD_WriteReg(0X93,0X0004); LCD_WriteReg(0XA0,0X0100); LCD_WriteReg(0X07,0X0001); LCD_WriteReg(0X07,0X0021); LCD_WriteReg(0X07,0X0023); LCD_WriteReg(0X07,0X0033); LCD_WriteReg(0X07,0X0133); LCD_WriteReg(0XA0,0X0000); }else if(lcddev.id==0x4535) { LCD_WriteReg(0X15,0X0030); LCD_WriteReg(0X9A,0X0010); LCD_WriteReg(0X11,0X0020); LCD_WriteReg(0X10,0X3428); LCD_WriteReg(0X12,0X0002);//16 LCD_WriteReg(0X13,0X1038); delay_ms(40); LCD_WriteReg(0X12,0X0012);//16 delay_ms(40); LCD_WriteReg(0X10,0X3420); LCD_WriteReg(0X13,0X3038); delay_ms(70); LCD_WriteReg(0X30,0X0000); LCD_WriteReg(0X31,0X0402); LCD_WriteReg(0X32,0X0307); LCD_WriteReg(0X33,0X0304); LCD_WriteReg(0X34,0X0004); LCD_WriteReg(0X35,0X0401); LCD_WriteReg(0X36,0X0707); LCD_WriteReg(0X37,0X0305); LCD_WriteReg(0X38,0X0610); LCD_WriteReg(0X39,0X0610); LCD_WriteReg(0X01,0X0100); LCD_WriteReg(0X02,0X0300); LCD_WriteReg(0X03,0X1030);//改变方向的 LCD_WriteReg(0X08,0X0808); LCD_WriteReg(0X0A,0X0008); LCD_WriteReg(0X60,0X2700); LCD_WriteReg(0X61,0X0001); LCD_WriteReg(0X90,0X013E); LCD_WriteReg(0X92,0X0100); LCD_WriteReg(0X93,0X0100); LCD_WriteReg(0XA0,0X3000); LCD_WriteReg(0XA3,0X0010); LCD_WriteReg(0X07,0X0001); LCD_WriteReg(0X07,0X0021); LCD_WriteReg(0X07,0X0023); LCD_WriteReg(0X07,0X0033); LCD_WriteReg(0X07,0X0133); } 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 LCD_SetCursor(0x00,0x0000); //设置光标位置 LCD_WriteRAM_Prepare(); //开始写入GRAM for(index=0;index { LCD->LCD_RAM=color; } } //在指定区域内填充单个颜色 //(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_Fill(u16 sx,u16 sy,u16 ex,u16 ey,u16 color) { u16 i,j; u16 xlen=0; 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 } } //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 { LCD_SetCursor(sx,sy+i); //设置光标位置 LCD_WriteRAM_Prepare(); //开始写入GRAM for(j=0;jLCD_RAM=color[iheight+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 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 +=4a+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 //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; u16 colortemp=POINT_COLOR; //设置窗口 num=num-' ';//得到偏移后的值 if(!mode) //非叠加方式 { for(t=0;t { if(size==12)temp=asc2_1206[num][t]; //调用1206字体 else temp=asc2_1608[num][t]; //调用1608字体 for(t1=0;t1<8;t1++) { if(temp&0x80)POINT_COLOR=colortemp; else POINT_COLOR=BACK_COLOR; LCD_DrawPoint(x,y); temp<<=1; y++; if(x>=lcddev.width){POINT_COLOR=colortemp;return;}//超区域了 if((y-y0)==size) { y=y0; x++; if(x>=lcddev.width){POINT_COLOR=colortemp;return;}//超区域了 break; } } } }else//叠加方式 { for(t=0;t { if(size==12)temp=asc2_1206[num][t]; //调用1206字体 else temp=asc2_1608[num][t]; //调用1608字体 for(t1=0;t1<8;t1++) { if(temp&0x80)LCD_DrawPoint(x,y); temp<<=1; y++; if(x>=lcddev.height){POINT_COLOR=colortemp;return;}//超区域了 if((y-y0)==size) { y=y0; x++; if(x>=lcddev.width){POINT_COLOR=colortemp;return;}//超区域了 break; } } } } POINT_COLOR=colortemp; } //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 { 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 { 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++; } } 0 已退回1积分
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