[问答]

STM32驱动OLED屏滚动显示的软件该怎样去设计呢

问答对人有帮助，内容完整，我也想知道答案 0 如何在OLED屏上去实现字符串滚动显示呢？ STM32驱动OLED屏滚动显示的软件该怎样去设计呢？ 0
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答案对人有帮助，有参考价值 0 STM32驱动OLED屏完成汉字串滚动显示硬件平台 STM32开发板 0.96寸OLED屏（SPI接口）功能实现在OLED屏上实现字符串滚动显示。 0.96寸OLED分辨率为12864(128列，64行)。我们可以定义二维数组缓冲区buff[64][128]，先将要显示的数据放在缓冲驱动中，然后按固定频率将数据更新到屏幕上。示例效果 STM32驱动OLED屏滚动显示软件设计显示一列数据函数 / 函数功能: 显示一列函数参数: u8 x - 横坐标位置 u8 y - 纵坐标位置 u8 size -字体大小 u8 p - 源数据说明:保证纵向为8的倍数取模方式:纵向取模，以8个点为单位进行取模，高位在前 / void OLED_DrawRecData2(u8 x,u8 y,u8 size,const u8 p) { u8 y0=y; //保存y坐标 u8 i,j; u8 data=0; for(i=0;i { data=(p+i); //显示上半部分 for(j=0;j<8;j++) { if(data&0x80)OLED_DrawPoint(x,y0,1); //点亮OLED指定位置灯 else OLED_DrawPoint(x,y0,0); //关闭 data<<=1; //继续判断高位 y0++; //纵坐标自增 } } } 滚动显示函数(左移显示) /****************************字符串滚动显示************************ 左移滚动显示 u8 x,u8 y --- 显示的起始位置 u8 size --- 字体大小 ** u8 p --- 需要滚动显示的数据 * u8 number --- 要显示的汉字个数 ******************************************************************/ void OLED_Left_Move_Display(u8 x,u8 y,u8 size,u8 p,u8 number) { int x0=x;//显示的起始位置 int i=0; u8 data=p; u16 cnt=0,offset=0; while(1) { for(cnt=0,i=x0;i<128;i++) { OLED_DrawRecData2(i,y,size,data+cnt);//显示一列 cnt+=size/8;//一列的偏移量 } OLED_RefreshGRAM(); //更新一次显示 x0--;//左移显示 if(x0<=0)//完整显示完一行数据 { x0=0; data+=size/8;//数据的起始位置往后移动 } offset++; if(offset>=numbersize+128)//保存显示的数据完整滚动完一遍 { offset=0; //归位 x0=x; data=p;//数据地址归位 } } } 主函数 /测试数据: 纵向取模，以8个点为单位进行取模，高位在前/ u8 font_test2[28][32]= { {0x20,0x08,0x24,0x10,0x22,0x60,0x21,0x80,0x26,0x41,0x39,0x32,0x02,0x04,0x0C,0x18,0xF0,0x60,0x13,0x80,0x10,0x60,0x10,0x18,0x14,0x04,0x18,0x02,0x00,0x01,0x00,0x00},/"欢",0/ {0x02,0x00,0x02,0x02,0x42,0x04,0x33,0xF8,0x00,0x04,0x00,0x02,0x3F,0xF2,0x20,0x22,0x40,0x42,0x00,0x02,0x3F,0xFE,0x20,0x42,0x20,0x22,0x3F,0xC2,0x00,0x02,0x00,0x00},/"迎",1/ {0x00,0x84,0x10,0x84,0x10,0x88,0x14,0x88,0x13,0x90,0x10,0xA0,0x10,0xC0,0xFF,0xFF,0x10,0xC0,0x10,0xA0,0x11,0x90,0x16,0x88,0x10,0x88,0x10,0x84,0x00,0x84,0x00,0x00},/"来",2/ {0x20,0x01,0x20,0x02,0x20,0x04,0x20,0x18,0x20,0x60,0x3F,0x80,0x22,0x00,0x22,0x00,0x22,0x02,0x22,0x01,0x22,0x02,0x23,0xFC,0x20,0x00,0x20,0x00,0x20,0x00,0x00,0x00},/"万",3/ {0x10,0x41,0x12,0x42,0x12,0x44,0x12,0x58,0xFF,0xE0,0x12,0x40,0x12,0x40,0x10,0x40,0x00,0x00,0x7F,0xFF,0x40,0x10,0x44,0x08,0x5B,0x10,0x60,0xE0,0x00,0x00,0x00,0x00},/"邦",4/ {0x00,0x00,0x00,0x10,0x00,0x20,0x00,0x42,0xFE,0xC4,0x93,0x48,0x92,0x71,0x92,0x42,0x92,0x4C,0x92,0x70,0x92,0x42,0xFE,0x41,0x00,0x42,0x00,0x7C,0x00,0x00,0x00,0x00},/"易",5/ {0x01,0x00,0x01,0x00,0x77,0xFE,0x11,0x24,0x11,0x24,0x11,0x24,0x17,0xFE,0xF1,0x00,0x10,0x81,0x11,0x02,0x1E,0x0C,0x12,0xF0,0x72,0x0C,0x02,0x82,0x03,0x01,0x00,0x00},/"嵌",6/ {0x02,0x20,0x0C,0x20,0x88,0x20,0x69,0x20,0x09,0x20,0x09,0x22,0x89,0x21,0x69,0x7E,0x09,0x60,0x09,0xA0,0x19,0x20,0x28,0x20,0xC8,0x20,0x0A,0x20,0x0C,0x20,0x00,0x00},/"学",7/ {0x00,0x00,0x40,0x10,0x40,0x18,0x40,0x10,0x48,0x20,0x44,0x20,0x43,0x20,0x40,0x40,0x40,0x40,0x40,0x82,0x40,0x81,0x40,0x02,0x7F,0xFC,0x00,0x00,0x00,0x00,0x00,0x00},/"习",8/ {0x01,0x00,0x01,0x00,0x77,0xFE,0x11,0x24,0x11,0x24,0x11,0x24,0x17,0xFE,0xF1,0x00,0x10,0x81,0x11,0x02,0x1E,0x0C,0x12,0xF0,0x72,0x0C,0x02,0x82,0x03,0x01,0x00,0x00},/"嵌",9/ {0x00,0x01,0x00,0x02,0x00,0x04,0x00,0x08,0x00,0x30,0x80,0xC0,0x47,0x00,0x38,0x00,0x07,0x00,0x00,0xC0,0x00,0x30,0x00,0x0C,0x00,0x02,0x00,0x01,0x00,0x01,0x00,0x00},/"入",10/ {0x08,0x00,0x08,0x04,0x09,0x06,0x09,0x04,0x09,0xFC,0x09,0x08,0x09,0x08,0x08,0x08,0x08,0x00,0xFF,0xC0,0x08,0x30,0x08,0x08,0x88,0x04,0x68,0x02,0x08,0x1F,0x00,0x00},/"式",11/ {0x01,0x00,0x41,0x01,0x41,0x02,0x41,0x0C,0x7F,0xF0,0x41,0x00,0x41,0x00,0x41,0x00,0x41,0x00,0x41,0x00,0x7F,0xFF,0x41,0x00,0x41,0x00,0x41,0x00,0x01,0x00,0x00,0x00},/"开",12/ {0x00,0x00,0x00,0x04,0x18,0x08,0x68,0x31,0x08,0xC1,0x0B,0x01,0x1D,0x82,0xE9,0x62,0x09,0x14,0x09,0x08,0x09,0x14,0x49,0x22,0x29,0xC2,0x08,0x01,0x00,0x01,0x00,0x00},/"发",13/ }; int main(void) { u8 *p; BEEP_Init(); //初始化蜂鸣器 LED_Init(); //初始化LED灯 KEY_Init(); //初始化按键 USART1_Init(115200); //初始化串口1 OLED_Init(); //OLED显示屏初始化 OLED_Clear(0x00); //清屏 p=font_test2[0]; //要显示的字符串 while(1) { OLED_Left_Move_Display(127,10,16,p,14);//滚动显示 } } 结论:0.96寸OLED屏硬件自带滚动显示效果，但使用OLED屏硬件方式实现滚动无法灵活显示，采用软件方式实现滚动显示更加灵活便捷。

2021-12-8 11:01:37 评论举报陈佳敏

答案对人有帮助，有参考价值 0 确实是高质量的总结，也可以局部刷新的，有OLED屏需求可以calll（可以提供技术支持，微信同）

2022-10-10 22:03:37 评论举报 Tiantian01