[问答]

单片机通过MAX7219级联***点阵做滚动效果的问题

问答对人有帮助，内容完整，我也想知道答案 0 本帖最后由流芷静兰于 2017-2-25 10:35 编辑各位大神，本人是单片机小白一枚，最近用89C52单片机通过MAX7219级联点阵做滚动屏的效果，级联了8个88的led点阵，第五第六个点阵总是闪来闪去的，求各位大神帮帮忙，到底是什么问题https://share.weiyun.com/ea16151bd0710660bc739ca3425e20a2 链接里是录的情况，各位大神帮帮忙吧~~ #include #include #define uchar unsigned char #define uint unsigned int //??Max7219?? it Max7219_pinCLK_1 = P2^2; it Max7219_pinCS_1 = P2^1; **it Max7219_pinDIN_1 = P2^0; uchar code disp1[16][8]={ {0x00,0x00,0x00,0x80,0x80,0x00,0x00,0x00}, {0x00,0x00,0x80,0xc0,0xc0,0x80,0x00,0x00}, {0x00,0x80,0xc0,0x60,0x60,0xc0,0x80,0x00}, {0x80,0xc0,0x60,0x30,0x30,0x60,0xc0,0x80}, {0xc0,0x60,0x30,0x18,0x18,0x30,0x60,0xc0}, {0x60,0x30,0x18,0x0c,0x0c,0x18,0x30,0x60}, {0x30,0x18,0x0c,0x06,0x06,0x0c,0x18,0x30}, {0x18,0x0c,0x06,0x03,0x03,0x06,0x0c,0x18}, {0x0c,0x06,0x03,0x01,0x01,0x03,0x06,0x0c}, {0x06,0x03,0x01,0x00,0x00,0x01,0x03,0x06}, {0x03,0x01,0x00,0x00,0x00,0x00,0x01,0x03}, {0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x01}, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, };//0 uchar code disp2[16][8]={ {0x0c,0x06,0x03,0x01,0x01,0x03,0x06,0x0c}, {0x06,0x03,0x01,0x00,0x00,0x01,0x03,0x06}, {0x03,0x01,0x00,0x00,0x00,0x00,0x01,0x03}, {0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x01}, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0x00,0x00,0x00,0x80,0x80,0x00,0x00,0x00}, {0x00,0x00,0x80,0xc0,0xc0,0x80,0x00,0x00}, {0x00,0x80,0xc0,0x60,0x60,0xc0,0x80,0x00}, {0x80,0xc0,0x60,0x30,0x30,0x60,0xc0,0x80}, {0xc0,0x60,0x30,0x18,0x18,0x30,0x60,0xc0}, {0x60,0x30,0x18,0x0c,0x0c,0x18,0x30,0x60}, {0x30,0x18,0x0c,0x06,0x06,0x0c,0x18,0x30}, {0x18,0x0c,0x06,0x03,0x03,0x06,0x0c,0x18}, }; void Delay_xms(uint x) { uint i,j; for(i=0;i for(j=0;j<112;j++); } void Write_Max7219_byte(uchar DATA) { uchar i; Max7219_pinCS_1=0; for(i=8;i>=1;i--) { Max7219_pinCLK_1=0; Max7219_pinDIN_1=DATA&0x80; DATA=DATA<<1; Max7219_pinCLK_1=1; } } void Write_Max7219_1(uchar address1,uchar dat1) { Max7219_pinCS_1=0; Write_Max7219_byte(address1); // Write_Max7219_byte(dat1); // Max7219_pinCS_1=1; } void Write_Max7219_2(uchar address2,uchar dat2) { uchar i; Max7219_pinCS_1=0; Write_Max7219_byte(address2); //Ð´ÈëµØÖ· Write_Max7219_byte(dat2); // Ð´ÈëÊý¾Ý Max7219_pinCLK_1=1; for(i=1;i<3;i++) { Write_Max7219_byte(0x00); //Æ¬1Ð´¿Õ } Max7219_pinCS_1=1; } void Write_Max7219_3(uchar address3,uchar dat3) { uchar i; Max7219_pinCS_1=0; Write_Max7219_byte(address3); // Write_Max7219_byte(dat3); // Max7219_pinCLK_1=1; for(i=1;i<5;i++) { Write_Max7219_byte(0x00); // } Max7219_pinCS_1=1; } void Write_Max7219_4(uchar address4,uchar dat4) { uchar i; Max7219_pinCS_1=0; Write_Max7219_byte(address4); // Write_Max7219_byte(dat4); // // Delay_xms(1000); Max7219_pinCLK_1=1; for(i=1;i<7;i++) { Write_Max7219_byte(0x00); // } Max7219_pinCS_1=1; } void Write_Max7219_5(uchar address5,uchar dat5) { uchar i; Max7219_pinCS_1=0; Write_Max7219_byte(address5); // Write_Max7219_byte(dat5); // Max7219_pinCLK_1=1; for(i=1;i<9;i++) { Write_Max7219_byte(0x00); // } Max7219_pinCS_1=1; } void Write_Max7219_6(uchar address6,uchar dat6) { uchar i; Max7219_pinCS_1=0; Write_Max7219_byte(address6); // Write_Max7219_byte(dat6); // Max7219_pinCLK_1=1; for(i=1;i<11;i++) { Write_Max7219_byte(0x00); // } Max7219_pinCS_1=1; } void Write_Max7219_7(uchar address7,uchar dat7) { uchar i; Max7219_pinCS_1=0; Write_Max7219_byte(address7); // Write_Max7219_byte(dat7); // Max7219_pinCLK_1=1; for(i=1;i<13;i++) { Write_Max7219_byte(0x00); // } Max7219_pinCS_1=1; } void Write_Max7219_8(uchar address8,uchar dat8) { uchar i; Max7219_pinCS_1=0; Write_Max7219_byte(address8); // Write_Max7219_byte(dat8); // Max7219_pinCLK_1=1; for(i=1;i<15;i++) { Write_Max7219_byte(0x00); // } Max7219_pinCS_1=1; } void Init_MAX7219(void) { Write_Max7219_1(0x09, 0x00); //ÒëÂë·½Ê½£ºBCDÂë Write_Max7219_1(0x0a, 0x03); //ÁÁ¶È Write_Max7219_1(0x0b, 0x07); //É¨Ãè½çÏÞ£»8¸öÊýÂë¹ÜÏÔÊ¾ Write_Max7219_1(0x0c, 0x01); //µôµçÄ£Ê½£º0£¬ÆÕÍ¨Ä£Ê½£º1 Write_Max7219_1(0x0f, 0x00); //ÏÔÊ¾²âÊÔ£º1£»²âÊÔ½áÊø£¬Õý³£ÏÔÊ¾£º0 Write_Max7219_2(0x09, 0x00); // Write_Max7219_2(0x0a, 0x03); // Write_Max7219_2(0x0b, 0x07); // Write_Max7219_2(0x0c, 0x01); // Write_Max7219_2(0x0f, 0x00); // Write_Max7219_3(0x09, 0x00); // Write_Max7219_3(0x0a, 0x03); // Write_Max7219_3(0x0b, 0x07); // Write_Max7219_3(0x0c, 0x01); // Write_Max7219_3(0x0f, 0x00); // Write_Max7219_4(0x09, 0x00); // Write_Max7219_4(0x0a, 0x03); // Write_Max7219_4(0x0b, 0x07); // Write_Max7219_4(0x0c, 0x01); // Write_Max7219_4(0x0f, 0x00); // Write_Max7219_5(0x09, 0x00); // Write_Max7219_5(0x0a, 0x03); // Write_Max7219_5(0x0b, 0x07); // Write_Max7219_5(0x0c, 0x01); // Write_Max7219_5(0x0f, 0x00); // Write_Max7219_6(0x09, 0x00); // Write_Max7219_6(0x0a, 0x03); // Write_Max7219_6(0x0b, 0x07); // Write_Max7219_6(0x0c, 0x01); // Write_Max7219_6(0x0f, 0x00); // Write_Max7219_7(0x09, 0x00); // Write_Max7219_7(0x0a, 0x03); // Write_Max7219_7(0x0b, 0x07); // Write_Max7219_7(0x0c, 0x01); // Write_Max7219_7(0x0f, 0x00); // Write_Max7219_8(0x09, 0x00); // Write_Max7219_8(0x0a, 0x03); // Write_Max7219_8(0x0b, 0x07); // Write_Max7219_8(0x0c, 0x01); // Write_Max7219_8(0x0f, 0x00); // } void main(void) { uchar i,j; Delay_xms(50); Init_MAX7219(); while(1) { for(j=0;j<16;j++) { for(i=1;i<9;i++) { Write_Max7219_1(i,disp1[j][i-1]); // Delay_xms(400); Write_Max7219_2(i,disp2[j][i-1]); // Delay_xms(3000); Write_Max7219_3(i,disp1[j][i-1]); // Delay_xms(400); Write_Max7219_4(i,disp2[j][i-1]); // Delay_xms(400); Write_Max7219_5(i,disp1[j][i-1]); // Delay_xms(3000); Write_Max7219_6(i,disp2[j][i-1]); // Delay_xms(1000); Write_Max7219_7(i,disp1[j][i-1]); // Delay_xms(400); Write_Max7219_8(i,disp2[j][i-1]); // Delay_xms(400); } Delay_xms(100); } } } 0
2017-2-25 10:22:41　　评论淘帖0 邀请回答您可以邀请以下用户，快速回答问题 × 追梦的阿土哥该类别下有 6 个回答。邀请回答独孤辉二该类别下有 5 个回答。邀请回答颜世甲该类别下有 5 个回答。邀请回答 zhugeliang9575 该类别下有 5 个回答。邀请回答 duoluoxiaosheng 该类别下有 4 个回答。邀请回答緣點啊该类别下有 4 个回答。邀请回答是对方第三方该类别下有 4 个回答。邀请回答 ieybleng 该类别下有 4 个回答。邀请回答 chcHOPE 该类别下有 4 个回答。邀请回答麦田守望翁该类别下有 3 个回答。邀请回答优雅的嚣张该类别下有 3 个回答。邀请回答 dan379379 该类别下有 3 个回答。邀请回答一叶倾城wwq 该类别下有 3 个回答。邀请回答 josephyuany 该类别下有 3 个回答。邀请回答海岸VV 该类别下有 3 个回答。邀请回答 yzk310452325 该类别下有 3 个回答。邀请回答努力加奋斗该类别下有 3 个回答。邀请回答张建涛该类别下有 3 个回答。邀请回答迂旧难该类别下有 3 个回答。邀请回答林腾该类别下有 3 个回答。邀请回答举报许鑫鑫相关推荐 • 基于51单片机的智能小车驱动MAX7219控制点阵屏显示小车运动状态？ 1121 • 有关MAX7219驱动芯片的知识总结 1885 • MAX7219驱动**点阵屏 3268* • 如何用MAX7219芯片来设计的8X8点阵模块？ 2191 • 使用STM32CubeMX工程中，SPI操作MAX7219结果错误 4750 • MAX7219级联显示时有一个模块总是有闪烁 3801 • max7219工作几秒钟就不正常 2996 • 74hc595和max7219驱动的点阵在驱动方式有什么不同？ 376 • 16片MAX7219（8x8点阵模块）制作大屏点阵基模（左移） 6624 • 请问max7219怎么调节亮度? 393 1个回答