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LCD屏幕的使用--笔记 1.汉字显示-两种方式…导界面交互需要GUIGUI需要文字和图片所有此处总结在M4芯片上实现GUI的基本操作该芯片具有160K大小的内存有512K的flash故而没有使用第三方库
LCD屏幕的使用--笔记 1.汉字显示-两种方式 ·字符数组格式 ·汉字库格式 2.双色2位图显示 3.真彩色16位图显示
条件 屏幕ST7789 尺寸320*240 配置软件 基础的驱动可以实现LCD_Address_Set 和 LCD_WR_DATA的接口可以用软件或硬件spi实现
可实现的基本效果
1.汉字显示数组形式
文字显示格式设置 存放在一个数据结果中如下
const typFNT_GB16 tfont16[]{
升,0x80,0x04,0xE0,0x05,0x3C,0x04,0x20,0x04,0x20,0x04,0x20,0x04,0x20,0x04,0xFF,0x7F,
0x20,0x04,0x20,0x04,0x20,0x04,0x10,0x04,0x10,0x04,0x08,0x04,0x04,0x04,0x02,0x04,/*升,0*/
/* (16 X 16 , 宋体 )*/级,0x08,0x00,0xC8,0x3F,0x04,0x21,0x04,0x11,0x12,0x11,0x1F,0x09,0x08,0x39,0x04,0x21,
0x82,0x22,0x9F,0x22,0x82,0x14,0x80,0x14,0x58,0x08,0x47,0x14,0x22,0x22,0x80,0x41,/*级,1*/
/* (16 X 16 , 宋体 )*/中,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0xFC,0x1F,0x84,0x10,0x84,0x10,0x84,0x10,
0x84,0x10,0x84,0x10,0xFC,0x1F,0x84,0x10,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,/*中,2*/
/* (16 X 16 , 宋体 )*/
}
其中对汉字显示定义结构体如下
结构体定义
typedef struct { unsigned char Index[2]; //汉字索引号 unsigned char Msk[32]; //对应汉字的 }typFNT_GB16;
汉字显示驱动
/******************************************************************************函数说明显示单个16x16汉字入口数据x,y显示坐标*s 要显示的汉字fc 字的颜色bc 字的背景色sizey 字号mode: 0非叠加模式 1叠加模式返回值 无
******************************************************************************/
void LCD_ShowChinese16x16(uint16_t x,uint16_t y,uint8_t *s,uint16_t fc,uint16_t bc,uint8_t sizey,uint8_t mode)
{uint8_t i,j,m0;uint16_t k;uint16_t HZnum;//汉字数目uint16_t TypefaceNum;//一个字符所占字节大小uint16_t x0x;TypefaceNum(sizey/8((sizey%8)?1:0))*sizey;HZnumsizeof(tfont16)/sizeof(typFNT_GB16); //统计汉字数目for(k0;kHZnum;k) {if ((tfont16[k].Index[0]*(s))(tfont16[k].Index[1]*(s1))){ LCD_Address_Set(x,y,xsizey-1,ysizey-1);for(i0;iTypefaceNum;i){for(j0;j8;j){ if(!mode)//非叠加方式{if(tfont16[k].Msk[i](0x01j))LCD_WR_DATA(fc);else LCD_WR_DATA(bc);m;if(m%sizey0){m0;break;}}else//叠加方式{if(tfont16[k].Msk[i](0x01j)) LCD_DrawPoint(x,y,fc);//画一个点x;if((x-x0)sizey){xx0;y;break;}}}}}continue; //查找到对应点阵字库立即退出防止多个汉字重复取模带来影响}
}
2. 数值和符号assic码定义
const unsigned char ascii_1608[][16]{
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/* ,0*/
{0x00,0x00,0x00,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x00,0x00,0x18,0x18,0x00,0x00},/*!,1*/
{0x00,0x48,0x6C,0x24,0x12,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*,2*/
{0x00,0x00,0x00,0x24,0x24,0x24,0x7F,0x12,0x12,0x12,0x7F,0x12,0x12,0x12,0x00,0x00},/*#,3*/
{0x00,0x00,0x08,0x1C,0x2A,0x2A,0x0A,0x0C,0x18,0x28,0x28,0x2A,0x2A,0x1C,0x08,0x08},/*$,4*/
{0x00,0x00,0x00,0x22,0x25,0x15,0x15,0x15,0x2A,0x58,0x54,0x54,0x54,0x22,0x00,0x00},/*%,5*/
{0x00,0x00,0x00,0x0C,0x12,0x12,0x12,0x0A,0x76,0x25,0x29,0x11,0x91,0x6E,0x00,0x00},/*,6*/
{0x00,0x06,0x06,0x04,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*,7*/
{0x00,0x40,0x20,0x10,0x10,0x08,0x08,0x08,0x08,0x08,0x08,0x10,0x10,0x20,0x40,0x00},/*(,8*/
{0x00,0x02,0x04,0x08,0x08,0x10,0x10,0x10,0x10,0x10,0x10,0x08,0x08,0x04,0x02,0x00},/*),9*/
{0x00,0x00,0x00,0x00,0x08,0x08,0x6B,0x1C,0x1C,0x6B,0x08,0x08,0x00,0x00,0x00,0x00},/**,10*/
{0x00,0x00,0x00,0x00,0x08,0x08,0x08,0x08,0x7F,0x08,0x08,0x08,0x08,0x00,0x00,0x00},/*,11*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x06,0x04,0x03},/*,,12*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*-,13*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x06,0x00,0x00},/*.,14*/
{0x00,0x00,0x80,0x40,0x40,0x20,0x20,0x10,0x10,0x08,0x08,0x04,0x04,0x02,0x02,0x00},/*/,15*/
{0x00,0x00,0x00,0x18,0x24,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x24,0x18,0x00,0x00},/*0,16*/
{0x00,0x00,0x00,0x08,0x0E,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x3E,0x00,0x00},/*1,17*/
{0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x20,0x20,0x10,0x08,0x04,0x42,0x7E,0x00,0x00},/*2,18*/
{0x00,0x00,0x00,0x3C,0x42,0x42,0x20,0x18,0x20,0x40,0x40,0x42,0x22,0x1C,0x00,0x00},/*3,19*/
{0x00,0x00,0x00,0x20,0x30,0x28,0x24,0x24,0x22,0x22,0x7E,0x20,0x20,0x78,0x00,0x00},/*4,20*/
{0x00,0x00,0x00,0x7E,0x02,0x02,0x02,0x1A,0x26,0x40,0x40,0x42,0x22,0x1C,0x00,0x00},/*5,21*/
{0x00,0x00,0x00,0x38,0x24,0x02,0x02,0x1A,0x26,0x42,0x42,0x42,0x24,0x18,0x00,0x00},/*6,22*/
{0x00,0x00,0x00,0x7E,0x22,0x22,0x10,0x10,0x08,0x08,0x08,0x08,0x08,0x08,0x00,0x00},/*7,23*/
{0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x24,0x18,0x24,0x42,0x42,0x42,0x3C,0x00,0x00},/*8,24*/
{0x00,0x00,0x00,0x18,0x24,0x42,0x42,0x42,0x64,0x58,0x40,0x40,0x24,0x1C,0x00,0x00},/*9,25*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00}/*:,26*/
};
字符和数组的驱动 --- 检索方式根据字符和空格的间隔进行检索
/******************************************************************************函数说明显示单个字符入口数据x,y显示坐标num 要显示的字符fc 字的颜色bc 字的背景色sizey 字号mode: 0非叠加模式 1叠加模式返回值 无
******************************************************************************/
void LCD_ShowChar(uint16_t x,uint16_t y,uint8_t num,uint16_t fc,uint16_t bc,uint8_t sizey,uint8_t mode)
{uint8_t temp,sizex,t,m0;uint16_t i,TypefaceNum;//一个字符所占字节大小uint16_t x0x;sizexsizey/2;TypefaceNum(sizex/8((sizex%8)?1:0))*sizey;numnum- ; //得到偏移后的值LCD_Address_Set(x,y,xsizex-1,ysizey-1); //设置光标位置 for(i0;iTypefaceNum;i){ if(sizey12)tempascii_1206[num][i]; //调用6x12字体else if(sizey16)tempascii_1608[num][i]; //调用8x16字体else if(sizey24)tempascii_2412[num][i]; //调用12x24字体else if(sizey32)tempascii_3216[num][i]; //调用16x32字体else return;for(t0;t8;t){if(!mode)//非叠加模式{if(temp(0x01t))LCD_WR_DATA(fc);else LCD_WR_DATA(bc);m;if(m%sizex0){m0;break;}}else//叠加模式{if(temp(0x01t))LCD_DrawPoint(x,y,fc);//画一个点x;if((x-x0)sizex){xx0;y;break;}}}}
}/******************************************************************************函数说明显示字符串入口数据x,y显示坐标*p 要显示的字符串fc 字的颜色bc 字的背景色sizey 字号mode: 0非叠加模式 1叠加模式返回值 无
******************************************************************************/
void LCD_ShowString(uint16_t x,uint16_t y,char *p,uint16_t fc,uint16_t bc,uint8_t sizey,uint8_t mode)
{ while(*p!\0){ LCD_ShowChar(x,y,*p,fc,bc,sizey,mode);xsizey/2;p;}
}
填充函数
//局部清屏
void LcdClrRect(INT16 usLeft, INT16 usTop, INT16 usRight, INT16 usBottom, INT32U ucColor)
{INT16 i,j;LCD_WindowsSet(usLeft,usRight,usTop,usBottom);for(i usTop; i usBottom; i){for(j usLeft; j usRight; j){LCD_Write_Data(ucColor);}}
}
app的代码演示使用上述的汉字显示和字符显示
#if TEST_DEMO_HZ{u8Process 50;//升级进度[0:100]LcdClrRect(0, 0, 320, 240, BLACK);//黑背景LCD_ShowChinese16x16(60,100,升,WHITE,BLACK,16,1);LCD_ShowChinese16x16(80,100,级,WHITE,BLACK,16,1);LCD_ShowChinese16x16(100,100,中,WHITE,BLACK,16,1);LCD_ShowString(180, 100,50%,WHITE,BACKCOLOR,16,1);LcdClrRect(60, 120, 260,140,WHITE);LcdClrRect(60, 120, 602*u8Process,140,RED);}
#endif
效果显示 优点不依赖外部flash根据自己喜欢的汉字裁剪并显示、灵活可控
确定汉字太少一旦确定不能改变汉字一旦多消耗太多的ram或rom造成负担
3.汉字显示--汉字 字库显示
实现的方式先将汉字字库文件存放在某一个存储器的位置a
然后当要显示某一个汉字的时候会根据汉字先将汉字的16进制码(比如汉字“你”对应的16进制为C4 E3),根据根据偏移量计算区码和位码类似算出在x、y坐标或者类似住的地址-某个区的某个栋然后计算出该字的具体偏移位置ulOffset
16进制 qm *(s) - 0xaf; //区码 -161-A1 wm *(s 1) - 0xa0;//位码 -A1 ulOffset (INT32U)((qm-1) * 94 (wm-1)) * 72;//计算区位码 然后从位置a汉字字库存储的位置的偏移ulOffset处读取出该汉字的点阵16进制码 ExFlash_SeekHzk(HZK.BIN,hzflashbuf,ulOffset,sizeof(hzbuf)); 接下来就是显示的情况和数组的显示方式一样 memcpy(hzbuf,hzflashbuf,sizeof(hzbuf));
for(y 0; y 16; y){for(x 0; x 16; x) {k x % 8;if (hzbuf[y * 2 x / 8] (0x80 k)){xx x0 x;LCD_DrawPoint( xx, y y0, ForeColor);}}}
最终调用画点函数实现具体的点阵点亮操作 显示的效果和数组的一模一样
上述的驱动是16进制其他进制的比如24进制的不一样了主要是计算区码和位码同一个子需要的点阵数量不一样就要在点阵画点操作有所区别了
qm *(s) - 0xaf; //161-A1wm *(s 1) - 0xa0;//A1ulOffset (INT32U)((qm-1) * 94 (wm-1)) * 72;//计算区位码
ExFlash_SeekHzk(HZK.BIN,hzflashbuf,ulOffset,sizeof(hzbuf));memcpy(hzbuf,hzflashbuf,sizeof(hzbuf));for( i 0; i 24; i)for( j 0; j 3; j)for( k 0; k 8; k)if(((hzbuf[i* 3 j] (7 - k)) 0x1) ! NULL){current_start_x x0 i ;//24*24的是纵向排列的i对应的是xcurrent_start_y y0 j * 8 k;LCD_DrawPoint( current_start_x,current_start_y , ForeColor);} 附加汉字字库如何生成需要软件0点阵字库生成器-自行网上下载免费的有很多
注意汉字字库文件存储大小常用的16号字体需要260多k24号字体需要400k左右提供参考对空间要求严格者需要慎重
4.双色图除开背景色-也可以叫单色图-图像实现
显示双色图--的这个操作--对于图片很多的芯片相对余全真彩色--节省空间会很有很大助力 打开软件安装图中的要求进行设置图中的要求会对应到后面的驱动和画点函数顺序的操作 上述的配置对应到驱动如下驱动不一样--配置也要修改
/******************************************************************************函数说明在指定位置画点入口数据x,y 画点坐标color 点的颜色返回值 无
******************************************************************************/
void LCD_DrawPoint(uint16_t x,uint16_t y,uint16_t color)
{LCD_Address_Set(x,y,x,y);//设置光标位置 LCD_WR_DATA(color);
}
/******************************************************************************函数说明显示双色图比如黑白-图片或红-绿图-双色图入口数据x,y起点坐标length 图片长度width 图片宽度pic[] 图片数组 返回值 无注意length长度和length宽度,必须是8的整数比如40*40 或 224*40
******************************************************************************/void LCD_ShowPic4(uint16_t x,uint16_t y,uint16_t length,uint16_t width,const uint8_t pic[],uint16_t fc,uint16_t bc)
{uint16_t i,j,t0;uint16_t h0;if(length320){printf(参数错误%d in[%s],length,__func__);length 320;}if(width240){printf(参数错误%d in[%s],width,__func__);width 240;}LCD_Address_Set(x,y,xlength-1,ywidth-1);for(i0;ilength;i){for(j0;jwidth;j){h (i*width j)/8;t (i*width j)%8;if(pic[h](0x01t)) LCD_DrawPoint(xi,yj,fc);//画一个点else LCD_DrawPoint(xi,yj,bc);//画一个点}}
}
比如对一个图片只有两重颜色前景色和后景色--比如下图只有黑和白 实现结果
const unsigned char gImage_OutOne[] {
#if 1
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xFF,0xFF,0xFF,0x01,0xE0,
0xFF,0xFF,0xFF,0x07,0xF0,0xFF,0xFF,0xFF,0x0F,0xF0,0x00,0x00,0x00,0x0F,0x78,0x00,
0x00,0x00,0x0E,0x78,0x00,0x00,0x00,0x1E,0x78,0x00,0x00,0x00,0x1E,0x78,0x00,0x00,
0x00,0x1E,0x78,0x00,0x00,0x00,0x1E,0x78,0x00,0x00,0x00,0x1E,0x78,0x00,0x00,0x00,
0x1E,0x78,0x00,0x00,0x00,0x1E,0x78,0x00,0x00,0x00,0x1E,0x78,0x00,0x00,0x00,0x1E,
0x78,0x00,0x00,0x00,0x1E,0x78,0x00,0xFF,0x00,0x1E,0x78,0xC0,0xFF,0x07,0x1E,0x30,
0xE0,0xFF,0x1F,0x1E,0x20,0x78,0xFC,0x0F,0x1E,0x60,0x3C,0x7E,0x00,0x1E,0xF0,0x9F,
0x0F,0x00,0x1E,0xF0,0xCF,0x03,0x00,0x1E,0xF0,0xE7,0x01,0x00,0x1E,0x70,0xF3,0x00,
0x00,0x1E,0x70,0x70,0x00,0x00,0x1E,0x30,0x78,0x00,0x00,0x1E,0x30,0xF8,0x01,0x00,
0x1E,0x38,0xE0,0x03,0x00,0x1E,0x38,0xE0,0x07,0x00,0x1E,0x38,0xFC,0x01,0x00,0x0E,
0x38,0x7F,0xFF,0xFF,0x0F,0xD8,0x0F,0xFF,0xFF,0x07,0xF8,0x03,0xFF,0xFF,0x03,0xFC,
0x00,0x00,0x00,0x00,0x3C,0x00,0x00,0x00,0x00,0x0C,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*1.bmp,0*/
#endif
};
实现的项目demo--播放器界面 实际效果 如下这些图标都是采用这个方式来实现的 具体代码实现部分 const unsigned char g_IMAGE_GO_HEAD[] {
0x00,0x00,0xFC,0x1F,0xF8,0x0F,0xF8,0x0F,0xF0,0x07,0xE0,0x03,0xC0,0x01,0x00,0x00,
0xFC,0x1F,0xFC,0x1F,0xF8,0x0F,0xF0,0x07,0xE0,0x03,0xC0,0x01,0x00,0x00,0x00,0x00,
};
const unsigned char g_IMAGE_PLAY[] {
#if 1
0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0xFF,0x03,0x00,0x00,0xF8,0xFF,0x1F,0x00,0x00,
0xFC,0xFF,0x3F,0x00,0x00,0x3F,0x00,0xFC,0x00,0x80,0x0F,0x00,0xF0,0x01,0xC0,0x07,
0x00,0xE0,0x03,0xE0,0x01,0x00,0x80,0x07,0xF0,0x00,0x00,0x00,0x0F,0x70,0x00,0x00,
0x00,0x0E,0x78,0x00,0x00,0x00,0x1E,0x3C,0x00,0x00,0x00,0x3C,0x1C,0x00,0x00,0x00,
0x38,0x1C,0x00,0x00,0x00,0x38,0x1E,0x00,0x00,0x00,0x78,0x0E,0x00,0x00,0x00,0x70,
0x0E,0xFC,0xFF,0x0F,0x70,0x0E,0xFC,0xFF,0x0F,0x70,0x0E,0xF8,0xFF,0x07,0x70,0x0E,
0xF0,0xFF,0x03,0x70,0x0E,0xF0,0xFF,0x03,0x70,0x0E,0xE0,0xFF,0x01,0x70,0x0E,0xC0,
0xFF,0x00,0x70,0x0E,0x80,0xFF,0x00,0x70,0x0E,0x80,0x7F,0x00,0x70,0x1E,0x00,0x3F,
0x00,0x78,0x1C,0x00,0x1E,0x00,0x38,0x1C,0x00,0x1E,0x00,0x38,0x3C,0x00,0x00,0x00,
0x3C,0x78,0x00,0x00,0x00,0x1E,0x70,0x00,0x00,0x00,0x0E,0xF0,0x00,0x00,0x00,0x0F,
0xE0,0x01,0x00,0x80,0x07,0xC0,0x07,0x00,0xE0,0x03,0x80,0x0F,0x00,0xF0,0x01,0x00,
0x3F,0x00,0xFC,0x00,0x00,0xFC,0xFF,0x3F,0x00,0x00,0xF8,0xFF,0x1F,0x00,0x00,0xC0,
0xFF,0x03,0x00,0x00,0x00,0x00,0x00,0x00,
#endif
};
const unsigned char g_IMAGE_STOP[] {
#if 1
0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0xFF,0x03,0x00,0x00,0xF8,0xFF,0x1F,0x00,0x00,
0xFC,0xFF,0x3F,0x00,0x00,0x3F,0x00,0xFC,0x00,0x80,0x0F,0x00,0xF0,0x01,0xC0,0x07,
0x00,0xE0,0x03,0xE0,0x01,0x00,0x80,0x07,0xF0,0x00,0x00,0x00,0x0F,0x70,0x00,0x00,
0x00,0x0E,0x78,0x00,0x00,0x00,0x1E,0x3C,0x00,0x00,0x00,0x3C,0x1C,0x00,0x00,0x00,
0x38,0x1C,0x00,0x00,0x00,0x38,0x1E,0xE0,0xFF,0x07,0x78,0x0E,0xE0,0xFF,0x07,0x70,
0x0E,0xE0,0xFF,0x07,0x70,0x0E,0xE0,0xFF,0x07,0x70,0x0E,0x00,0x00,0x00,0x70,0x0E,
0x00,0x00,0x00,0x70,0x0E,0x00,0x00,0x00,0x70,0x0E,0x00,0x00,0x00,0x70,0x0E,0x00,
0x00,0x00,0x70,0x0E,0xE0,0xFF,0x07,0x70,0x0E,0xE0,0xFF,0x07,0x70,0x1E,0xE0,0xFF,
0x07,0x78,0x1C,0xE0,0xFF,0x07,0x38,0x1C,0x00,0x00,0x00,0x38,0x3C,0x00,0x00,0x00,
0x3C,0x78,0x00,0x00,0x00,0x1E,0x70,0x00,0x00,0x00,0x0E,0xF0,0x00,0x00,0x00,0x0F,
0xE0,0x01,0x00,0x80,0x07,0xC0,0x07,0x00,0xE0,0x03,0x80,0x0F,0x00,0xF0,0x01,0x00,
0x3F,0x00,0xFC,0x00,0x00,0xFC,0xFF,0x3F,0x00,0x00,0xF8,0xFF,0x1F,0x00,0x00,0xC0,
0xFF,0x03,0x00,0x00,0x00,0x00,0x00,0x00,
/* (40 X 40 ) */
#endif
};
const unsigned char g_IMAGE_Volumn[] { //音量
0xE0,0x0F,0xE0,0x0F,0xE0,0x0F,0xF0,0x0F,0xF8,0x1F,0xFC,0x3F,0xFC,0x3F,0xFC,0x7F,
0x00,0x00,0x30,0x0C,0x70,0x0E,0xF0,0x0F,0xC4,0x63,0x1C,0x78,0xFC,0x3F,0xF0,0x0F,
};
const unsigned char g_IMAGE_Progress[] { //进度
0x00,0x00,0x02,0x00,0x02,0x80,0x02,0x80,0x7E,0xFC,0x7E,0xFC,0xE2,0xFE,0xC2,0xFF,
0x82,0xFF,0xC2,0xFF,0xE2,0xFE,0xFE,0xFE,0x7E,0xFC,0x02,0xF0,0x02,0x80,0x02,0x80,
};
//初始化播放页面
void show_play_menu_init()
{LCD_Fill(0,22,320,220-1,BACKCOLOR);Lcd_Printf(13, 40,WHITE,录音回放和导出);Lcd_Printf(77, 166,WHITE,后退);Lcd_Printf(216, 166,WHITE,前进);LCD_ShowPic4(83,133,16,16,g_IMAGE_GO_BACK,WHITE,BACKCOLOR);LCD_ShowPic4(222,133,16,16,g_IMAGE_GO_HEAD,WHITE,BACKCOLOR);LCD_ShowPic4(29,192,16,16,g_IMAGE_Progress,WHITE,BACKCOLOR);LCD_ShowPic4(287,194,16,16,g_IMAGE_Volumn,WHITE,BACKCOLOR);Lcd_Printf(36,68,WHITE,正在播放:);Lcd_Printf(54,194,WHITE,播放进度);Lcd_Printf(125, 195,WHITE,00:00:20/00:12:36);LCD_Fill(0,220,320,240,BACKCOLOR);Lcd_Printf2(20,224,WHITE,【确认】导出 ←左调 右调→,1,BACKCOLOR);
}
4.16位真彩色图的实现 推荐两款软件
推荐两款软件。
第一个如下的这个软件Img2Lcd.exe需要设置驱动的参数--包含头高低位...等 软件特色 Image2Lcd 能把各种来源的图片转换成特定的数据格式以用来匹配单片机系统所需要的显示数据格式 Image2Lcd支持的输入图像格式包括BMP, WBMP, JPG, GIF, WMF, EMF, ICO, 等等。 Image2Lcd的输出数据类型包括定制的二进制类型、C语言数组类型和标准的BMP格式、WBMP格式 Image2Lcd能可视调节输入图象的数据扫描方式、灰度(颜色数)、图像数据排列方式、亮度、对比度、等等 对于包含了图像头数据保存的图像数据文件Image2Lcd能重新打开作为输入图像 ****支持所有的点阵LCD所需要的特殊显示数据格式。 可视调节输出图像效果。 256色模式下支持用户调色板(TIFF格式)。 支持4096色图像输出。 以二进制类型和C语言数组类型(文本)两种方式保存数据方便单片机开发者的不同需要。 保存的数据支持LSB First/MSB First(很多单片机系统WORD高低字节排列与PC相反)。 可以保存图像为指定颜色数的BMP格式图像。 即时图示当前设置的数据格式。 第二个软件是bmp2h.exe规定好了驱动的方式
位图变换(bmp2h)是一款可以把bmp格式的图片转化成64K色的数组数据信息
应用
点一下功能键“添加将一个bmp图片添加进去随后点一下功能键“变换就会转化成图片数组文档。表明假如要应用转化成的图片数组数据信息必须在转化成的c文档开始添加一条句子#define WIN32
