缘由https://ask.csdn.net/questions/7953369/54217159按下按键1复位按下按键2开始 51单片机8位数码管计时器 程序简便一些#include reg52.h unsigned char code SMD[]{0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F ,0x6F,0x00,0X80,118,121,56,63};//0~9隐.HELO bit k0; void main() {//缘由https://ask.csdn.net/questions/7953369/54217159 unsigned char wy0,my0,w0,x0,m0,f0,s0; EA1; IT0 EX0 1; IT1 EX1 1; while(1) { if(kwy0)//k控制不显示 { P1SMD[10];//P20; P1SMD[x7?m%10:x6?m/10:x5?10:x4?f%10: x3?f/10:x2?10:x1?s%10:s/10]; if(w0)w; P2255-w;w*2; if(x7)x0; if(my0)//if(kmy0)k控制现实0 { if(m60){f;m0;} if(f60){s;f0;} if(s24)s0; } }else if(k0)sfm0; } } void WaiBuZhongDuan0() interrupt 0{k0;} void WaiBuZhongDuan1() interrupt 2{k1;}#include reg52.h unsigned char code SMD[]{0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07, 0x7F,0x6F,0x00,0X80,118,121,56,63};//0~9隐.HELO bit k0; void smg8w(unsigned char s,unsigned char f,unsigned char m) { static unsigned char x0,w0; P1SMD[10];//P20; P1SMD[x7?m%10:x6?m/10:x5?10 :x4?f%10:x3?f/10:x2?10:x1?s%10:s/10]; if(w0)w; P2255-w;w*2; if(x7)x0; } void jishi(unsigned char* s,unsigned char* f,unsigned char* m) { if(*m60){*f;*m0;} if(*f60){*s;*f0;} if(*s24)*s0; } void main() {//缘由https://ask.csdn.net/questions/7953369/54217159 unsigned char wy0,my0,m0,f0,s0; EA1; IT0 EX0 1; IT1 EX1 1; while(1) { if(wy0) { smg8w(s,f,m); if(kmy0) { jishi(s,f,m); } }else if(k0)sfm0; } } void WaiBuZhongDuan0() interrupt 0{k0;} void WaiBuZhongDuan1() interrupt 2{k1;}#include reg52.h unsigned char code SMD[]{0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x00,0X80,64};//0~9隐.- unsigned char Js0; bit k0; void smg8w(unsigned char s,unsigned char f,unsigned char m) { static unsigned char x0,w0; P1SMD[10];//P20; P1SMD[x7?m%10:x6?m/10:x5?12:x4?f%10:x3?f/10:x2?12:x1?s%10:s/10]; if(w0)w; P2255-w;w*2; if(x7)x0; } void jishi(unsigned char* s,unsigned char* f,unsigned char* m) { if(*m60){*f;*m0;} if(*f60){*s;*f0;} if(*s24)*s0; } void main() {//缘由https://ask.csdn.net/questions/7954067/54218556 unsigned char wy0,my0,m0,f0,s0; TMOD0X01; TH0(65536-9216)/256; TL0(65536-9216)%256; TR0ET0EA1; IT0 EX0 1; IT1 EX1 1; while(1) { if(Js100) { Js0; if(k)jishi(s,f,m); } if(wy0)smg8w(s,f,m); if(k0)sfm0; } } void Timer0() interrupt 1 { Js; TH0(65536-9216)/256; TL0(65536-9216)%256; } void WaiBuZhongDuan0() interrupt 0 { k0; } void WaiBuZhongDuan1() interrupt 2 { k1; }缘由https://ask.csdn.net/questions/7954120/54218745单片机利用keil和protues联合仿真—单稳态声控延迟电路已有单片机开发版和待测电路图keil程序仿真利用AT89C51芯片外接LCD或OLED屏来测量如图LED灯的延迟时间。问:如何在单片机开发版上面实现对如图电路中LED灯亮时间的测量。如何keil程序编写具壽善現復白佛言「何等名為世間善法」佛告善現「世間善法者謂孝順父母、供養沙門婆羅門、敬事師長施性福業事、戒性福業事、修性福業事供侍病者俱行福、方便善巧俱行福世間十善業道若膖脹想、膿爛想、青瘀想、異赤想、破壞想、啄噉想、離散想、骸骨想、焚燒想若世間四靜慮、四無量、四無色定若佛隨念、法隨念、僧隨念、戒隨念、捨隨念、天隨念、寂靜隨念、入出息隨念、身隨念、死隨念。善現此等名為世間善法。」具壽善現復白佛言「何等名為不善法」佛告善現「不善法者謂害生命、不與取、欲邪行虛誑語、離間語、麁惡語、雜穢語貪欲、瞋恚、邪見及忿恨、覆惱、諂誑、矯害、嫉、慳、慢等。善現此等名為不善法。」具壽善現復白佛言「何等名為世間法」佛告善現「謂世間五蘊、十二處、十八界十業道四靜慮、四無量、四無色定十二支緣起法。善現此等名為世間法。」具壽善現復白佛言「何等名為出世間法」佛告善現「謂出世間四念住、四正斷、四神足、五根、五力、七等覺支、八聖道支空、無相、無願解脫門未知當知根、已知根、具知根有尋有伺三摩地、無尋唯伺三摩地、無尋無伺三摩地若明、若解脫若念、若正知、若如理作意若八解脫、若九次第定若內空、外空、內外空、空空、大空、勝義空、有為空、無為空、畢竟空、無際空、散無散空、本性空、自共相空、一切法空、不可得空、無性空、自性空、無性自性空若佛十力、四無所畏、四無礙解、十八佛不共法。善現此等名為出世間法。」具壽善現復白佛言「何等名為有漏法」佛告善現「謂墮三界若五蘊、十二處、十八界若四靜慮、四無量、四無色定。善現此等名為有漏法。」具壽善現復白佛言「何等名為無漏法」佛告善現「謂四念住乃至十八佛不共法。善現此等名為無漏法。」具壽善現復白佛言「何等名為有為法」佛告善現「謂三界繫法若五蘊若四靜慮、四無量、四無色定若四念住乃至十八佛不共法。善現此等名為有為法。」具壽善現復白佛言「何等名為無為法」佛告善現「若法無生、無滅、無住、無異若貪盡、瞋盡、癡盡若真如、法界、法性、不虛妄性、不變異性、平等性、離生性、法定、法住、實際。善現此等名為無為法。」具壽善現復白佛言「何等名為共法」佛告善現「謂世間四靜慮、四無量、四無色定、五神通。善現此等名為共法共異生故。」具壽善現復白佛言「何等名為不共法」佛告善現「謂四念住乃至十八佛不共法。善現此等名為不共法不共異生故。善現諸菩薩摩訶薩修行般若波羅蜜多時於如是等自相空法不應執著以一切法無分別故。善現諸菩薩摩訶薩修行般若波羅蜜多時於一切法以無二為方便應正覺知以一切法皆無動故。善現於一切法無二、無動是菩薩句義無分別、無執著是菩薩句義。以是故無句義是菩薩句義。」大般若波羅蜜多經卷第四百一十一三藏法師玄奘奉 詔譯 第二分譬喻品第十一摘要