OK.rar_24点阵_74hc595led_LED74HC595_ledmatrixc

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24点阵

点阵程序

94 浏览量 2022-09-24 02:27:23 上传评论收藏 71KB RAR 举报

《LED点阵显示技术与74HC595驱动芯片的应用》 LED点阵是一种常见的显示设备，尤其在电子显示屏、广告牌、仪表盘等领域应用广泛。24点阵指的是每一行有24个LED灯，可以组合成各种字符、图形和图像。这种点阵的分辨率相对较低，但因其成本低廉、易于控制而被广泛应用。 74HC595是一款8位串行输入、并行输出的移位寄存器，常用于LED点阵的驱动。该芯片有三个主要的输入引脚：DS（数据输入）、SHCP（存储时钟）和STCP（移位时钟），以及一个使能端OE（输出使能）。通过这些引脚，我们可以将数据串行输入到芯片中，然后通过并行输出到LED点阵的每个单元。74HC595内部包含一个移位寄存器和一个存储寄存器，使得它能够实现串行到并行的转换，极大地简化了电路设计，减少了外部元件的需求。在使用74HC595驱动24点阵LED时，通常需要多个74HC595芯片并联，以提供足够的输出通道。每个芯片可以控制8个LED，因此对于24点阵，至少需要3个74HC595芯片。数据首先通过串行接口传入，然后逐位移位至存储寄存器，当所有数据移位完成后，通过一个低电平脉冲触发存储寄存器的内容到输出缓冲器，从而点亮相应的LED。编写点阵程序时，通常使用C语言，因为它的效率高且易于理解。LED矩阵的控制涉及到数据的位操作，包括设置和清除特定位，以及位移操作来产生正确的数据序列。在程序中，我们需要定义每个LED的位置，并根据需要的显示内容更新这些位置的亮度状态。此外，还需要处理好定时和刷新问题，以确保显示的连续性和稳定性。 74HC595与LED点阵的结合，不仅简化了硬件设计，降低了成本，而且提供了灵活的编程方式，使得开发者可以根据需求创建动态的显示效果。在实际项目中，通过巧妙的编程技巧和硬件布局优化，可以实现复杂而生动的显示效果，如滚动文字、动画等。总结，这个“OK.rar_24点阵_74hc595 led_LED 74HC595 _led matrix c_点阵程序”可能包含了一个用C语言编写的24点阵LED显示程序，使用74HC595作为驱动芯片。通过深入理解和应用这些知识，我们可以构建自己的LED显示系统，或者改进现有的设计，以满足更丰富的显示需求。

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OK.rar （39个子文件）

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OK.dbg 3KB

OK.c 4KB

DATA.c 5KB

OK.mp 3KB

OK.hex 5KB

OK.SRC 39B

#pragma data:data const unsigned char num[]={ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0x1F,0xF0,0xEF,0xEF,0xF7,0xDF, 0xF7,0xDF,0xEF,0xEF,0x1F,0xF0,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*"0",0*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xEF,0xDF,0xEF,0xDF,0x07,0xC0, 0xFF,0xDF,0xFF,0xDF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*"1",1*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0x8F,0xCF,0xF7,0xD7,0xF7,0xDB, 0xF7,0xDD,0x77,0xDE,0x8F,0xCF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*"2",2*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xCF,0xE7,0xF7,0xDF,0x77,0xDF, 0x77,0xDF,0xB7,0xEE,0xCF,0xF1,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*"3",3*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xF8,0x3F,0xFB,0xDF,0xDB, 0xEF,0xDB,0x07,0xC0,0xFF,0xDB,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*"4",4*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0x07,0xE6,0xF7,0xDE,0x77,0xDF, 0x77,0xDF,0xF7,0xEE,0xF7,0xF1,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*"5",5*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0x1F,0xF0,0xEF,0xEE,0x77,0xDF, 0x77,0xDF,0xE7,0xEE,0xFF,0xF1,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*"6",6*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xC7,0xFF,0xF7,0xFF,0xF7,0xC0, 0x37,0xFF,0xC7,0xFF,0xF7,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*"7",7*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0x8F,0xE3,0x77,0xDD,0xF7,0xDE, 0xF7,0xDE,0x77,0xDD,0x8F,0xE3,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*"8",8*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0x1F,0xFF,0xEF,0xCE,0xF7,0xDD, 0xF7,0xDD,0xEF,0xEE,0x1F,0xF0,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*"9",9*/ }; const unsigned char name[]={ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0x7F,0xFF,0x77,0x81,0x77,0xDD,0x7B, 0xDD,0xBD,0xDD,0xBC,0x01,0xDA,0x5D,0xD7, 0x5D,0xEF,0x41,0xEF,0x5D,0xF7,0x5D,0xFB, 0x5D,0xFC,0x41,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,/*"罗",0*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xEF,0xBF,0xEF,0xCF,0xEF,0xF1,0x00,0xFE, 0xEF,0xFF,0x0F,0xC0,0xFF,0xBF,0xFF,0xBF, 0x01,0xB8,0xDD,0xBB,0xDD,0xBB,0xDD,0xBB, 0xDD,0xBB,0x01,0xB8,0xFF,0x8F,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,/*"旭",1*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFD,0xFE,0x0D,0xFC,0xED,0xBE,0xED,0x7E, 0xE1,0x80,0xFF,0xFF,0x7F,0xFF,0x7F,0xBF, 0x00,0x00,0x5F,0xBF,0x6F,0xDC,0x77,0xF3, 0x79,0xEF,0x7B,0x9F,0x7F,0xDF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,/*"张",2*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xEF,0xBF,0x6F,0xDE,0x8F,0xED,0xE0,0xF3, 0xED,0xF9,0x0F,0xF6,0xFF,0xCF,0xDF,0xFF, 0x8F,0x80,0xD7,0xDE,0xD8,0xDE,0xDD,0xDE, 0xD7,0xDE,0x8F,0x80,0xDF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,/*"始",3*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFE,0x7F,0xFF,0x9F,0xFF,0x07,0x00, 0xF8,0xFF,0xF5,0xFE,0xD7,0xFE,0xD7,0xFE, 0xD7,0xFE,0x00,0x00,0xD7,0xFE,0xD7,0xDE, 0xD7,0xBE,0xD7,0xC0,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,/*"伟",4*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFD,0xFE,0x0D,0xFC,0xED,0xBE,0xED,0x7E, 0xE1,0x80,0xFF,0xFF,0x7F,0xFF,0x7F,0xBF, 0x00,0x00,0x5F,0xBF,0x6F,0xDC,0x77,0xF3, 0x79,0xEF,0x7B,0x9F,0x7F,0xDF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,/*"张",5*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xBF,0xFF,0xCF,0x03,0xF0,0xBB,0xBF, 0xBB,0xDF,0xBB,0xEF,0xBB,0xF3,0x3A,0xFC, 0x81,0xFF,0x3B,0xFE,0xBB,0xF9,0xBB,0xE7, 0xBB,0xCF,0xBB,0x9F,0xBB,0xDF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,/*"庆",6*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0x01,0x00,0xFD,0xFB,0xDD,0xF7, 0xA5,0xFB,0x79,0xFC,0xFF,0xFF,0x01,0xC0, 0xBD,0xEF,0xBD,0xEF,0xBD,0xEF,0xBD,0xEF, 0xBD,0xEF,0x01,0xC0,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,/*"阳",7*/ };