历史上的今天
今天是:2024年08月26日(星期一)
2020年08月26日 | 51单片机控制12864液晶显示屏显示图片
2020-08-26 来源:51hei
#include #include #define unchar unsigned char #define BOOL bit sbit rs = P2^5; sbit rw = P2^6; sbit ep = P2^4; BOOL lcd_bz(); void ddd(); void tupian(unsigned char *tab); code unsigned int MaskTab[]={0x0001,0x0002,0x0004,0x0008,0x0010,0x0020,0x0040,0x0080, 0x0100,0x0200,0x0400,0x0800,0x1000,0x2000,0x4000,0x8000}; code unsigned char tu[]={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, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,0x00, 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史海拾趣
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本帖最后由 paulhyde 于 2014-9-15 09:21 编辑 引言 开关稳压电源被誉为“新型高效节能电源”,它代表着稳压电源的发展方向。由于内部器件工作在高频开关状态,因此本身消耗的能量极低,电源效率可以达到80%以上,比串连调整线性稳压电源的效率提 ...… 查看全部问答> |
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idea6410开发板WinCE6.0、Linux等系统安装使用指导手册 idea6410开发板是一款低功耗、高性能、高性价比的ARM11处理器开发板;专为消费类电子、工业控制、车载导航、行业PDA等电子产品的开发而设计,主要供广大企业用户进行产品前期软硬件性能评估验证、设计参考用,其小巧、紧凑、一体式的人性化外观设计 ...… 查看全部问答> |
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最近遇到个问题。系统通过响应GPIO口例如GPIO0这个IO口中断实现一个低功耗休眠的动作。一些机器上正常,功耗小于5mA,12M晶振工作停止,32.768正常工作。但是现在的一个案子上休眠都休眠下去了。但是12M晶振没有停止,一直有个50mA在,程序上已经试 ...… 查看全部问答> |
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我想了解一下,CE6.0和MOBILE2003具体上的区别是什么?比如说调用的基本类库等; 现在如果已经开发了一套基于MOBILE2003的应用程序,如何将其应用于CE6.0的平台上?是否要进行很复杂的修改?… 查看全部问答> |
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我的笔记本前几天一直无线上网(自动连接到无线路由器上),今天无线连接显示未连接状态并且无法刷新网络列表,路由器运行正常且别人的笔记本用无线是正常的,这是怎么回事啊? 我已经试过重新安装无线网卡的驱动,仍然没有网络列表且无线网卡灯 ...… 查看全部问答> |
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本帖最后由 dontium 于 2015-1-23 13:09 编辑 Multisim - 2010-12-27 09:04:58 ERC [AGV_2_1] <2010-12-27 09:05:06> 错误: 正在连接 \'Power 到 Bidirectional\'; [VCC 引脚 VCC, AGV_2_1] ...… 查看全部问答> |
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看到别的论坛有人问过,但是没人回答,就是放在中断向量表里中断入口地址之前的 自己猜那应该是个跳转之类的指令,但是反汇编看了一下竟然是INT,不知道什么东西,查汇编手册也没这个指令,有人解释一下不?… 查看全部问答> |
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介绍一种新型的能探测微震动、微晃动、微移动等多种微动特性的无源电子器件——微动传感器 最大特点: 一、 有连续实时探测功能。从传感器被“微动”开始,以连续脉宽为数十微秒至百毫秒的音频速度输出近电源幅值脉冲,且始终能跟随“微动”输出 ...… 查看全部问答> |




