\/*******************************************************
\n\u5de5 \u7a0b \u540d:\u5229\u7528\u5149\u7535\u7f16\u7801\u5668\u5b9e\u73b0\u8f6c\u89d2\u3001\u8f6c\u901f\u540c\u6b65\u6d4b\u8bd5\u7cfb\u7edf
\n\u529f\u80fd\u4ecb\u7ecd:\u6309\u952e\u9009\u62e9\u529f\u80fd\uff0c1\u952e\u9009\u62e9\u6d4b\u91cf\u8f6c\u89d2\uff0c2\u952e\u9009\u62e9\u6d4b\u91cf\u8f6c\u901f\uff0c
\n 3\u952e\u9009\u62e9\u5206\u9891\u3002F\u952e\u786e\u8ba4\uff0cE\u952e\u9000\u51fa.
\n\u7f16\u8bd1\u73af\u5883:KEIL+C
\n********************************************************\/<\/p>\n
\/******************************************************
\n\u6587\u4ef6:main.c
\n******************************************************\/
\n#include<reg51.h>
\n#include<intrins.h>
\n#include<zlg7290.c>
\n#include<lcd1602.c><\/p>\n
\/\/#define uchar unsigned char
\n\/\/#define uint unsigned int<\/p>\n
sbit dir0=P2^5; \/\/74245\u8bfb\u5199\u63a7\u5236\u7aef
\nsbit g1=P1^1; \/\/82C54\u5b9a\u65f6\u5668T0\u7684\u95e8\u63a7\u4fe1\u53f7
\nsbit g2=P1^2; \/\/82C54\u5b9a\u65f6\u5668T2\u7684\u95e8\u63a7\u4fe1\u53f7
\nsbit a1=P3^6; \/\/82C54\u901a\u9053\u9009\u62e9\u63a7\u5236\u7aefA1
\nsbit a0=P3^7; \/\/82C54\u901a\u9053\u9009\u62e9\u63a7\u5236\u7aefA0
\nsbit wr=P2^6; \/\/82C54\u7684\u5199\u5141\u8bb8\u7aef
\nsbit rd=P2^7; \/\/82C54\u7684\u8bfb\u5141\u8bb8\u7aef
\nuint mode; \/\/\u7528\u4ee5\u8bb0\u5f55\u9009\u62e9\u7684\u529f\u80fd\u6a21\u5f0f<\/p>\n
\/*void delayms(uint z)
\n{
\n uint y;
\n for(;z>0;z–)
\n for(y=0;y<124;y++);
\n}*\/
\n\/**************************************************
\n 82C54\u63a7\u5236\u6a21\u5757
\n***************************************************\/
\nvoid wr_c(uchar com) \/\/82C54\u7684\u5199\u63a7\u5236\u5b57\u51fd\u6570
\n{
\n uint i;
\n a1=1;
\n a0=1;
\n P0=com;
\n dir0=1;
\n wr=0;
\n for(i=0;i<1;i++);
\n wr=1;
\n}<\/p>\n
void wr_d(uchar dat,bit aa1,bit aa0) \/\/82C54\u7684\u5199\u5165\u6570\u636e\u51fd\u6570,aa1 aa0\u4e3a00\u662f\u901a\u905300\uff0c\u4e3a01\u662f\u901a\u90531\uff0c\u4e3a10\u662f\u901a\u90532
\n{
\n uint i;
\n a1=aa1;
\n a0=aa0;
\n P0=dat;
\n dir0=1;
\n wr=0;
\n for(i=0;i<2;i++);
\n wr=1;
\n}<\/p>\n
uint rd_d(bit aa1,bit aa0) \/\/82C54\u7684\u8bfb\u5165\u6570\u636e\u51fd\u6570,aa1 aa0\u4e3a00\u662f\u901a\u905300\uff0c\u4e3a01\u662f\u901a\u90531\uff0c\u4e3a10\u662f\u901a\u90532
\n{
\n uint dat;
\n uint i;
\n a1=aa1;
\n a0=aa0;
\n P0=0xff;
\n dir0=0;
\n rd=0;
\n for(i=0;i<2;i++);
\n dat=P0;
\n rd=1;
\n for(i=0;i<5;i++);
\n rd=0;
\n for(i=0;i<2;i++);
\n dat|=P0<<8;
\n rd=1;
\n dir0=1;
\n return dat;
\n}<\/p>\n
void init8254() \/\/82C54\u7684\u521d\u59cb\u5316\u51fd\u6570
\n{
\n wr_c(0x34); \/\/\u8ba1\u6570\u56680\uff0c\u5de5\u4f5c\u65b9\u5f0f2\uff0c\u4e8c\u8fdb\u5236\u8ba1\u6570
\n delay1(2);
\n wr_c(0x74); \/\/\u8ba1\u6570\u56681\uff0c\u5de5\u4f5c\u65b9\u5f0f2\uff0c\u4e8c\u8fdb\u5236\u8ba1\u6570
\n delay1(2);
\n wr_c(0xb6); \/\/\u8ba1\u6570\u56682\uff0c\u5de5\u4f5c\u65b9\u5f0f3\uff0c\u4e8c\u8fdb\u5236\u8ba1\u6570
\n delay1(2);
\n wr_d(0,0,0);
\n wr_d(0,0,0);
\n wr_d(0,0,1);
\n wr_d(0,0,1);
\n}<\/p>\n
\/************************************************
\n \u4e09\u79cd\u529f\u80fd\u6a21\u5f0f\u7684\u5904\u7406\u51fd\u6570
\n*************************************************\/
\nvoid zhuanjiao() \/\/\u9009\u62e9\u529f\u80fd1\uff0c\u6d4b\u8f6c\u89d2\u51fd\u6570
\n{
\n uint dat,i;
\n uchar wan,qian,bai,shi,ge;
\n lcd_write_com(0x0c);
\n lcd_write_com(0x01);
\n lcd_write_com(0x80);
\n for(i=0;i<13;i++)
\n {
\n lcd_write_dat(display1[i]);
\n delay1(5);
\n }
\n while(key!=14)
\n {
\n if(P3^2==0)
\n dat=rd_d(0,1);
\n dat=65536-dat;
\n wan=dat\/10000;
\n qian=(dat\/1000)%10;
\n bai=(dat\/100)%10;
\n shi=(dat\/10)%10;
\n ge=dat%10;
\n lcd_write_com(0x80+0x40+10);
\n lcd_write_dat(number[wan]);
\n lcd_write_dat(number[qian]);
\n lcd_write_dat(number[bai]);
\n lcd_write_dat(number[shi]);
\n lcd_write_dat(number[ge]);
\n delay1(1000);
\n }
\n}<\/p>\n
void zhuansu() \/\/\u9009\u62e9\u529f\u80fd2\uff0c\u6d4b\u8f6c\u901f\u51fd\u6570
\n{
\n uint dat,i;
\n uchar wan,qian,bai,shi,ge;
\n lcd_write_com(0x0c);
\n lcd_write_com(0x01);
\n lcd_write_com(0x80);
\n for(i=0;i<13;i++)
\n {
\n lcd_write_dat(display2[i]);
\n delay1(5);
\n }
\n while(key!=14)
\n {
\n g1=1;
\n delay1(1000);
\n g1=0;
\n dat=rd_d(0,0);
\n dat=65536-dat;
\n wan=dat\/10000;
\n qian=(dat\/1000)%10;
\n bai=(dat\/100)%10;
\n shi=(dat\/10)%10;
\n ge=dat%10;
\n lcd_write_com(0x80+0x40+10);
\n lcd_write_dat(number[wan]);
\n lcd_write_dat(number[qian]);
\n lcd_write_dat(number[bai]);
\n lcd_write_dat(number[shi]);
\n lcd_write_dat(number[ge]);
\n delay1(1000);
\n }
\n}<\/p>\n
void fenpin() \/\/\u9009\u62e9\u529f\u80fd3\uff0c\u5206\u9891\u51fd\u6570
\n{
\n uint dat,i;
\n uchar dath,datl,bai,shi,ge;
\n bit flag;
\n lcd_write_com(0x0c);
\n lcd_write_com(0x01);
\n lcd_write_com(0x80);
\n for(i=0;i<16;i++)
\n {
\n lcd_write_dat(display3[i]);
\n delay1(5);
\n }
\n flag=1;
\n while(flag)
\n {
\n switch(key)
\n {
\n case 0:
\n bai=0;
\n lcd_write_com(0x80+0x40+10);
\n lcd_write_dat(number[0]);
\n break;
\n case 1:
\n bai=1;
\n lcd_write_com(0x80+0x40+10);
\n lcd_write_dat(number[1]);
\n break;
\n case 2:
\n bai=2;
\n lcd_write_com(0x80+0x40+10);
\n lcd_write_dat(number[2]);
\n break;
\n case 3:
\n bai=3;
\n lcd_write_com(0x80+0x40+10);
\n lcd_write_dat(number[3]);
\n break;
\n case 4:
\n bai=4;
\n lcd_write_com(0x80+0x40+10);
\n lcd_write_dat(number[4]);
\n break;
\n case 5:
\n bai=5;
\n lcd_write_com(0x80+0x40+10);
\n lcd_write_dat(number[5]);
\n break;
\n case 6:
\n bai=6;
\n lcd_write_com(0x80+0x40+10);
\n lcd_write_dat(number[6]);
\n break;
\n case 7:
\n bai=7;
\n lcd_write_com(0x80+0x40+10);
\n lcd_write_dat(number[7]);
\n break;
\n case 8:
\n bai=8;
\n lcd_write_com(0x80+0x40+10);
\n lcd_write_dat(number[8]);
\n break;
\n case 9:
\n bai=9;
\n lcd_write_com(0x80+0x40+10);
\n lcd_write_dat(number[9]);
\n break;
\n case 15:
\n flag=0;
\n break;
\n }
\n }
\n key=16;
\n flag=1;
\n while(flag)
\n {
\n switch(key)
\n {
\n case 0:
\n shi=0;
\n lcd_write_com(0x80+0x40+11);
\n lcd_write_dat(number[0]);
\n break;
\n case 1:
\n shi=1;
\n lcd_write_com(0x80+0x40+11);
\n lcd_write_dat(number[1]);
\n break;
\n case 2:
\n shi=2;
\n lcd_write_com(0x80+0x40+11);
\n lcd_write_dat(number[2]);
\n break;
\n case 3:
\n shi=3;
\n lcd_write_com(0x80+0x40+11);
\n lcd_write_dat(number[3]);
\n break;
\n case 4:
\n shi=4;
\n lcd_write_com(0x80+0x40+11);
\n lcd_write_dat(number[4]);
\n break;
\n case 5:
\n shi=5;
\n lcd_write_com(0x80+0x40+11);
\n lcd_write_dat(number[5]);
\n break;
\n case 6:
\n shi=6;
\n lcd_write_com(0x80+0x40+11);
\n lcd_write_dat(number[6]);
\n break;
\n case 7:
\n shi=7;
\n lcd_write_com(0x80+0x40+11);
\n lcd_write_dat(number[7]);
\n break;
\n case 8:
\n shi=8;
\n lcd_write_com(0x80+0x40+11);
\n lcd_write_dat(number[8]);
\n break;
\n case 9:
\n shi=9;
\n lcd_write_com(0x80+0x40+11);
\n lcd_write_dat(number[9]);
\n break;
\n case 15:
\n flag=0;
\n break;
\n }
\n }
\n key=16;
\n flag=1;
\n while(flag)
\n {
\n switch(key)
\n {
\n case 0:
\n ge=0;
\n lcd_write_com(0x80+0x40+12);
\n lcd_write_dat(number[0]);
\n break;
\n case 1:
\n ge=1;
\n lcd_write_com(0x80+0x40+12);
\n lcd_write_dat(number[1]);
\n break;
\n case 2:
\n ge=2;
\n lcd_write_com(0x80+0x40+12);
\n lcd_write_dat(number[2]);
\n break;
\n case 3:
\n ge=3;
\n lcd_write_com(0x80+0x40+12);
\n lcd_write_dat(number[3]);
\n break;
\n case 4:
\n ge=4;
\n lcd_write_com(0x80+0x40+12);
\n lcd_write_dat(number[4]);
\n break;
\n case 5:
\n ge=5;
\n lcd_write_com(0x80+0x40+12);
\n lcd_write_dat(number[5]);
\n break;
\n case 6:
\n ge=6;
\n lcd_write_com(0x80+0x40+12);
\n lcd_write_dat(number[6]);
\n break;
\n case 7:
\n ge=7;
\n lcd_write_com(0x80+0x40+12);
\n lcd_write_dat(number[7]);
\n break;
\n case 8:
\n ge=8;
\n lcd_write_com(0x80+0x40+12);
\n lcd_write_dat(number[8]);
\n break;
\n case 9:
\n ge=9;
\n lcd_write_com(0x80+0x40+12);
\n lcd_write_dat(number[9]);
\n break;
\n case 15:
\n flag=0;
\n break;
\n }
\n }
\n key=16;
\n flag=1;
\n dat=ge*2+shi*20+bai*200;
\n g2=1;
\n datl=dat;
\n dath=dat>>8;
\n wr_d(datl,1,0);
\n wr_d(dath,1,0);
\n while(key!=14);
\n}<\/p>\n
\/\/\u67e5\u8be2\u9009\u62e9\u4ec0\u4e48\u529f\u80fd\u7684\u51fd\u6570
\nvoid chaxun()
\n{
\n uint i;
\n bit flag=1;
\n lcd_write_com(0x01);
\n lcd_write_com(0x80);
\n for(i=0;i<16;i++)
\n {
\n lcd_write_dat(init1[i]);
\n delay1(5);
\n }
\n lcd_write_com(0x80+0x40);
\n for(i=0;i<11;i++)
\n {
\n lcd_write_dat(init2[i]);
\n delay1(5);
\n }
\n while(flag)
\n {
\n switch(key)
\n {
\n case 1:
\n {
\n lcd_write_com(0x0f);
\n lcd_write_com(0x80);
\n lcd_write_dat(number[1]);
\n mode=1;
\n break;
\n }
\n case 2:
\n {
\n lcd_write_com(0x0f);
\n lcd_write_com(0x80+9);
\n lcd_write_dat(number[2]);
\n mode=2;
\n break;
\n }
\n case 3:
\n {
\n lcd_write_com(0x0f);
\n lcd_write_com(0x80+40);
\n lcd_write_dat(number[3]);
\n mode=3;
\n break;
\n }
\n case 15: flag=0;
\n default: key=16;
\n }
\n }
\n switch(mode)
\n {
\n case 1:
\n {
\n while(key!=14)
\n zhuanjiao();
\n break;
\n }
\n case 2:
\n {
\n while(key!=14)
\n zhuansu();
\n break;
\n }
\n case 3:
\n {
\n while(key!=14)
\n fenpin();
\n break;
\n }
\n }
\n key=16;
\n}<\/p>\n
\/\/\u4e3b\u51fd\u6570\u5165\u53e3
\nvoid main()
\n{
\n init8254();
\n init_lcd();
\n EA=1;
\n EX1=1;
\n while(1)
\n chaxun();
\n}<\/p>\n
\/\/\u5916\u90e8\u4e2d\u65ad1\u7684\u5904\u7406\u51fd\u6570\uff0c\u5f53\u6709\u6309\u952e\u6309\u4e0b\u540e\u81ea\u52a8\u8c03\u7528\u8be5\u51fd\u6570
\nvoid zhongduan() interrupt 2
\n{
\n uchar getkey;
\n EX1=0;
\n getkey=ZLG7290_GetKey();
\n switch(getkey)
\n {
\n case 25: key=12;break;
\n case 26: key=13;break;
\n case 27: key=14;break;
\n case 28: key=15;break;
\n case 17: key=9;break;
\n case 18: key=0;break;
\n case 19: key=10;break;
\n case 20: key=11;break;
\n case 9: key=5;break;
\n case 10: key=6;break;
\n case 11: key=7;break;
\n case 12: key=8;break;
\n case 1: key=1;break;
\n case 2: key=2;break;
\n case 3: key=3;break;
\n case 4: key=4;break;
\n default: key=16;
\n }
\n EX1=1;
\n}<\/p>\n
\/*******************************************************
\n\u6587\u4ef6:zlg7290.c
\n********************************************************\/<\/p>\n
#include <reg51.h>
\n#include <intrins.h><\/p>\n
#define uchar unsigned char
\n#define uchar unsigned char
\n#define uint unsigned int<\/p>\n
\/*———————————–ZLG7290\u952e\u76d8\u63a5\u53e3——————————————–*\/
\n#define _Nop() _nop_() \/*\u5b9a\u4e49\u7a7a\u6307\u4ee4*\/
\n#define zlg7290 0x70 \/\/ZLG7290\u7684IIC\u5730\u5740<\/p>\n
#define SubKey 0x01
\n#define SubCmdBuf 0x07
\n#define SubDpRam 0x10<\/p>\n
sbit ZLG_INT = P3^3;
\nsbit SCL = P3^4;
\nsbit SDA = P3^5;<\/p>\n
bit ack;
\nunsigned char key;
\nvoid Delay(unsigned int count)
\n{
\n unsigned int i,j;
\n for(i=0;i<count;i++)
\n for(j=0;j<120;j++);
\n}<\/p>\n
\/****************************IIC\u7a0b\u5e8f*******************************\/
\n\/*******************************************************************
\n \u8d77\u52a8\u603b\u7ebf\u51fd\u6570
\n\u51fd\u6570\u539f\u578b: void Start_I2c();
\n\u529f\u80fd: \u542f\u52a8I2C\u603b\u7ebf,\u5373\u53d1\u9001I2C\u8d77\u59cb\u6761\u4ef6.<\/p>\n
********************************************************************\/
\nvoid Start_I2c()
\n{
\n SDA=1; \/*\u53d1\u9001\u8d77\u59cb\u6761\u4ef6\u7684\u6570\u636e\u4fe1\u53f7*\/
\n Delay(1);
\n SCL=1;
\n Delay(5); \/*\u8d77\u59cb\u6761\u4ef6\u5efa\u7acb\u65f6\u95f4\u5927\u4e8e4.7us,\u5ef6\u65f6*\/
\n _Nop();
\n _Nop();
\n _Nop();
\n _Nop();
\n SDA=0; \/*\u53d1\u9001\u8d77\u59cb\u4fe1\u53f7*\/
\n Delay(5); \/* \u8d77\u59cb\u6761\u4ef6\u9501\u5b9a\u65f6\u95f4\u5927\u4e8e4\u03bcs*\/
\n _Nop();
\n _Nop();
\n _Nop();
\n _Nop();
\n SCL=0; \/*\u94b3\u4f4fI2C\u603b\u7ebf\uff0c\u51c6\u5907\u53d1\u9001\u6216\u63a5\u6536\u6570\u636e *\/
\n Delay(2);
\n _Nop();
\n}<\/p>\n
\/*******************************************************************
\n \u7ed3\u675f\u603b\u7ebf\u51fd\u6570
\n\u51fd\u6570\u539f\u578b: void Stop_I2c();
\n\u529f\u80fd: \u7ed3\u675fI2C\u603b\u7ebf,\u5373\u53d1\u9001I2C\u7ed3\u675f\u6761\u4ef6.<\/p>\n
********************************************************************\/
\nvoid Stop_I2c()
\n{
\n SDA=0; \/*\u53d1\u9001\u7ed3\u675f\u6761\u4ef6\u7684\u6570\u636e\u4fe1\u53f7*\/
\n _Nop(); \/*\u53d1\u9001\u7ed3\u675f\u6761\u4ef6\u7684\u65f6\u949f\u4fe1\u53f7*\/
\n SCL=1; \/*\u7ed3\u675f\u6761\u4ef6\u5efa\u7acb\u65f6\u95f4\u5927\u4e8e4\u03bcs*\/
\n Delay(5);
\n SDA=1; \/*\u53d1\u9001I2C\u603b\u7ebf\u7ed3\u675f\u4fe1\u53f7*\/
\n Delay(4);
\n}<\/p>\n
\/*******************************************************************
\n \u5b57\u8282\u6570\u636e\u4f20\u9001\u51fd\u6570
\n\u51fd\u6570\u539f\u578b: void SendByte(uchar c);
\n\u529f\u80fd: \u5c06\u6570\u636ec\u53d1\u9001\u51fa\u53bb,\u53ef\u4ee5\u662f\u5730\u5740,\u4e5f\u53ef\u4ee5\u662f\u6570\u636e,\u53d1\u5b8c\u540e\u7b49\u5f85\u5e94\u7b54,\u5e76\u5bf9
\n \u6b64\u72b6\u6001\u4f4d\u8fdb\u884c\u64cd\u4f5c.(\u4e0d\u5e94\u7b54\u6216\u975e\u5e94\u7b54\u90fd\u4f7fack=0 \u5047)
\n \u53d1\u9001\u6570\u636e\u6b63\u5e38\uff0cack=1; ack=0\u8868\u793a\u88ab\u63a7\u5668\u65e0\u5e94\u7b54\u6216\u635f\u574f\u3002
\n********************************************************************\/
\nvoid SendByte(unsigned char c)
\n{
\n uchar BitCnt;<\/p>\n
for(BitCnt=0;BitCnt<8;BitCnt++) \/*\u8981\u4f20\u9001\u7684\u6570\u636e\u957f\u5ea6\u4e3a8\u4f4d*\/
\n {
\n if((c<<BitCnt)&0x80)SDA=1; \/*\u5224\u65ad\u53d1\u9001\u4f4d*\/
\n else SDA=0;
\n Delay(1);
\n SCL=1; \/*\u7f6e\u65f6\u949f\u7ebf\u4e3a\u9ad8\uff0c\u901a\u77e5\u88ab\u63a7\u5668\u5f00\u59cb\u63a5\u6536\u6570\u636e\u4f4d*\/
\n Delay(5); \/*\u4fdd\u8bc1\u65f6\u949f\u9ad8\u7535\u5e73\u5468\u671f\u5927\u4e8e4\u03bcs*\/
\n _Nop();
\n _Nop();
\n _Nop();
\n SCL=0;
\n }<\/p>\n
Delay(2);
\n SDA=1; \/*8\u4f4d\u53d1\u9001\u5b8c\u540e\u91ca\u653e\u6570\u636e\u7ebf\uff0c\u51c6\u5907\u63a5\u6536\u5e94\u7b54\u4f4d*\/
\n Delay(2);
\n SCL=1;
\n Delay(2);
\n if(SDA==1)ack=0;
\n else ack=1; \/*\u5224\u65ad\u662f\u5426\u63a5\u6536\u5230\u5e94\u7b54\u4fe1\u53f7*\/
\n SCL=0;
\n Delay(2);
\n}<\/p>\n
\/*******************************************************************
\n \u5b57\u8282\u6570\u636e\u4f20\u9001\u51fd\u6570
\n\u51fd\u6570\u539f\u578b: uchar RcvByte();
\n\u529f\u80fd: \u7528\u6765\u63a5\u6536\u4ece\u5668\u4ef6\u4f20\u6765\u7684\u6570\u636e,\u5e76\u5224\u65ad\u603b\u7ebf\u9519\u8bef(\u4e0d\u53d1\u5e94\u7b54\u4fe1\u53f7)\uff0c
\n \u53d1\u5b8c\u540e\u8bf7\u7528\u5e94\u7b54\u51fd\u6570\u3002
\n********************************************************************\/
\nuchar RcvByte()
\n{
\n uchar retc;
\n uchar BitCnt;<\/p>\n
retc=0;
\n SDA=1; \/*\u7f6e\u6570\u636e\u7ebf\u4e3a\u8f93\u5165\u65b9\u5f0f*\/
\n for(BitCnt=0;BitCnt<8;BitCnt++)
\n {
\n Delay(1);
\n SCL=0; \/*\u7f6e\u65f6\u949f\u7ebf\u4e3a\u4f4e\uff0c\u51c6\u5907\u63a5\u6536\u6570\u636e\u4f4d*\/
\n Delay(5); \/*\u65f6\u949f\u4f4e\u7535\u5e73\u5468\u671f\u5927\u4e8e4.7\u03bcs*\/
\n SCL=1; \/*\u7f6e\u65f6\u949f\u7ebf\u4e3a\u9ad8\u4f7f\u6570\u636e\u7ebf\u4e0a\u6570\u636e\u6709\u6548*\/
\n Delay(2);
\n retc=retc<<1;
\n if(SDA==1)retc=retc+1; \/*\u8bfb\u6570\u636e\u4f4d,\u63a5\u6536\u7684\u6570\u636e\u4f4d\u653e\u5165retc\u4e2d *\/
\n Delay(2);
\n }
\n SCL=0;
\n Delay(2); ;
\n return(retc);
\n}<\/p>\n
\/********************************************************************
\n \u5e94\u7b54\u5b50\u51fd\u6570
\n\u539f\u578b: void Ack_I2c(bit a);<\/p>\n
\u529f\u80fd:\u4e3b\u63a7\u5668\u8fdb\u884c\u5e94\u7b54\u4fe1\u53f7,(\u53ef\u4ee5\u662f\u5e94\u7b54\u6216\u975e\u5e94\u7b54\u4fe1\u53f7)
\n********************************************************************\/
\nvoid Ack_I2c(bit a)
\n{<\/p>\n
if(a==0)SDA=0; \/*\u5728\u6b64\u53d1\u51fa\u5e94\u7b54\u6216\u975e\u5e94\u7b54\u4fe1\u53f7 *\/
\n else SDA=1;
\n _Nop();
\n _Nop();
\n _Nop();
\n SCL=1;
\n Delay(5); \/*\u65f6\u949f\u4f4e\u7535\u5e73\u5468\u671f\u5927\u4e8e4\u03bcs*\/
\n SCL=0; \/*\u6e05\u65f6\u949f\u7ebf\uff0c\u94b3\u4f4fI2C\u603b\u7ebf\u4ee5\u4fbf\u7ee7\u7eed\u63a5\u6536*\/
\n Delay(2);
\n}<\/p>\n
\/*******************************************************************
\n \u5411\u65e0\u5b50\u5730\u5740\u5668\u4ef6\u53d1\u9001\u5b57\u8282\u6570\u636e\u51fd\u6570
\n\u51fd\u6570\u539f\u578b: bit ISendByte(uchar sla,ucahr c);
\n\u529f\u80fd: \u4ece\u542f\u52a8\u603b\u7ebf\u5230\u53d1\u9001\u5730\u5740\uff0c\u6570\u636e\uff0c\u7ed3\u675f\u603b\u7ebf\u7684\u5168\u8fc7\u7a0b,\u4ece\u5668\u4ef6\u5730\u5740sla.
\n \u5982\u679c\u8fd4\u56de1\u8868\u793a\u64cd\u4f5c\u6210\u529f\uff0c\u5426\u5219\u64cd\u4f5c\u6709\u8bef\u3002
\n\u6ce8\u610f\uff1a \u4f7f\u7528\u524d\u5fc5\u987b\u5df2\u7ed3\u675f\u603b\u7ebf\u3002
\n********************************************************************\/
\nbit ISendByte(uchar sla,uchar c)
\n{
\n Start_I2c(); \/*\u542f\u52a8\u603b\u7ebf*\/
\n SendByte(sla); \/*\u53d1\u9001\u5668\u4ef6\u5730\u5740*\/
\n if(ack==0)return(0);
\n SendByte(c); \/*\u53d1\u9001\u6570\u636e*\/
\n if(ack==0)return(0);
\n Stop_I2c(); \/*\u7ed3\u675f\u603b\u7ebf*\/
\n return(1);
\n}<\/p>\n
\/*******************************************************************
\n \u5411\u6709\u5b50\u5730\u5740\u5668\u4ef6\u53d1\u9001\u591a\u5b57\u8282\u6570\u636e\u51fd\u6570
\n\u51fd\u6570\u539f\u578b: bit ISendStr(uchar sla,uchar suba,ucahr *s,uchar no);
\n\u529f\u80fd: \u4ece\u542f\u52a8\u603b\u7ebf\u5230\u53d1\u9001\u5730\u5740\uff0c\u5b50\u5730\u5740,\u6570\u636e\uff0c\u7ed3\u675f\u603b\u7ebf\u7684\u5168\u8fc7\u7a0b,\u4ece\u5668\u4ef6
\n \u5730\u5740sla\uff0c\u5b50\u5730\u5740suba\uff0c\u53d1\u9001\u5185\u5bb9\u662fs\u6307\u5411\u7684\u5185\u5bb9\uff0c\u53d1\u9001no\u4e2a\u5b57\u8282\u3002
\n \u5982\u679c\u8fd4\u56de1\u8868\u793a\u64cd\u4f5c\u6210\u529f\uff0c\u5426\u5219\u64cd\u4f5c\u6709\u8bef\u3002
\n\u6ce8\u610f\uff1a \u4f7f\u7528\u524d\u5fc5\u987b\u5df2\u7ed3\u675f\u603b\u7ebf\u3002
\n********************************************************************\/
\nbit ISendStr(uchar sla,uchar suba,uchar *s,uchar no)
\n{
\n uchar i;<\/p>\n
Start_I2c(); \/*\u542f\u52a8\u603b\u7ebf*\/
\n SendByte(sla); \/*\u53d1\u9001\u5668\u4ef6\u5730\u5740*\/
\n if(ack==0)return(0);
\n SendByte(suba); \/*\u53d1\u9001\u5668\u4ef6\u5b50\u5730\u5740*\/
\n if(ack==0)return(0);<\/p>\n
for(i=0;i<no;i++)
\n {
\n SendByte(*s); \/*\u53d1\u9001\u6570\u636e*\/
\n if(ack==0)return(0);
\n s++;
\n }
\n Stop_I2c(); \/*\u7ed3\u675f\u603b\u7ebf*\/
\n return(1);
\n}<\/p>\n
\/*******************************************************************
\n \u5411\u65e0\u5b50\u5730\u5740\u5668\u4ef6\u8bfb\u5b57\u8282\u6570\u636e\u51fd\u6570
\n\u51fd\u6570\u539f\u578b: bit IRcvByte(uchar sla,ucahr *c);
\n\u529f\u80fd: \u4ece\u542f\u52a8\u603b\u7ebf\u5230\u53d1\u9001\u5730\u5740\uff0c\u8bfb\u6570\u636e\uff0c\u7ed3\u675f\u603b\u7ebf\u7684\u5168\u8fc7\u7a0b,\u4ece\u5668\u4ef6\u5730
\n \u5740sla\uff0c\u8fd4\u56de\u503c\u5728c.
\n \u5982\u679c\u8fd4\u56de1\u8868\u793a\u64cd\u4f5c\u6210\u529f\uff0c\u5426\u5219\u64cd\u4f5c\u6709\u8bef\u3002
\n\u6ce8\u610f\uff1a \u4f7f\u7528\u524d\u5fc5\u987b\u5df2\u7ed3\u675f\u603b\u7ebf\u3002
\n********************************************************************\/
\nbit IRcvByte(uchar sla,uchar *c)
\n{
\n Start_I2c(); \/*\u542f\u52a8\u603b\u7ebf*\/
\n SendByte(sla+1); \/*\u53d1\u9001\u5668\u4ef6\u5730\u5740*\/
\n if(ack==0)return(0);
\n *c=RcvByte(); \/*\u8bfb\u53d6\u6570\u636e*\/
\n Ack_I2c(1); \/*\u53d1\u9001\u975e\u5c31\u7b54\u4f4d*\/
\n Stop_I2c(); \/*\u7ed3\u675f\u603b\u7ebf*\/
\n return(1);
\n}<\/p>\n
\/*******************************************************************
\n \u5411\u6709\u5b50\u5730\u5740\u5668\u4ef6\u8bfb\u53d6\u591a\u5b57\u8282\u6570\u636e\u51fd\u6570
\n\u51fd\u6570\u539f\u578b: bit ISendStr(uchar sla,uchar suba,ucahr *s,uchar no);
\n\u529f\u80fd: \u4ece\u542f\u52a8\u603b\u7ebf\u5230\u53d1\u9001\u5730\u5740\uff0c\u5b50\u5730\u5740,\u8bfb\u6570\u636e\uff0c\u7ed3\u675f\u603b\u7ebf\u7684\u5168\u8fc7\u7a0b,\u4ece\u5668\u4ef6
\n \u5730\u5740sla\uff0c\u5b50\u5730\u5740suba\uff0c\u8bfb\u51fa\u7684\u5185\u5bb9\u653e\u5165s\u6307\u5411\u7684\u5b58\u50a8\u533a\uff0c\u8bfbno\u4e2a\u5b57\u8282\u3002
\n \u5982\u679c\u8fd4\u56de1\u8868\u793a\u64cd\u4f5c\u6210\u529f\uff0c\u5426\u5219\u64cd\u4f5c\u6709\u8bef\u3002
\n\u6ce8\u610f\uff1a \u4f7f\u7528\u524d\u5fc5\u987b\u5df2\u7ed3\u675f\u603b\u7ebf\u3002
\n********************************************************************\/
\nbit IRcvStr(uchar sla,uchar suba,uchar *s,uchar no)
\n{
\n uchar i;<\/p>\n
Start_I2c(); \/*\u542f\u52a8\u603b\u7ebf*\/
\n SendByte(sla); \/*\u53d1\u9001\u5668\u4ef6\u5730\u5740*\/
\n if(ack==0)return(0);
\n SendByte(suba); \/*\u53d1\u9001\u5668\u4ef6\u5b50\u5730\u5740*\/
\n if(ack==0)return(0);<\/p>\n
Start_I2c();
\n SendByte(sla+1);
\n if(ack==0)return(0);<\/p>\n
for(i=0;i<no-1;i++)
\n {
\n *s=RcvByte(); \/*\u53d1\u9001\u6570\u636e*\/
\n Ack_I2c(0); \/*\u53d1\u9001\u5c31\u7b54\u4f4d*\/
\n s++;
\n }
\n *s=RcvByte();
\n Ack_I2c(1); \/*\u53d1\u9001\u975e\u5e94\u4f4d*\/
\n Stop_I2c(); \/*\u7ed3\u675f\u603b\u7ebf*\/
\n return(1);
\n}
\n\/****************************IIC\u7a0b\u5e8f\u7ed3\u675f*****************************\/<\/p>\n
\/****************************ZLG7290\u7a0b\u5e8f*****************************\/<\/p>\n
void delayMS(unsigned char i)
\n{
\n unsigned char j,k;
\n for(k=0;k<i;k++)
\n for(j=0;j<120;j++);
\n}<\/p>\n
\/**************************************************************
\n** \u51fd\u6570\u540d\u79f0: ZLG7290_SendData
\n** \u529f\u80fd\u63cf\u8ff0: \u53d1\u9001\u6570\u636e
\n** \u8f93\u3000\u5165:SubAdd : \u8f93\u5165\u6570\u636e
\n** DATA : \u8f93\u5165\u503c
\n**
\n** \u8f93\u3000\u51fa: 0 \uff1a Fail
\n** 1 : OK
\n** \u5168\u5c40\u53d8\u91cf: \u65e0
\n** \u8c03\u7528\u6a21\u5757: delayMS
\n**
\n*******************************************************************\/<\/p>\n
unsigned char ZLG7290_SendData(unsigned char SubAdd,unsigned char Data)
\n{
\n if(SubAdd>0x17)
\n return 0;
\n ISendStr(zlg7290,SubAdd,&Data,1);
\n delayMS(2);
\n return 1;
\n}
\n\/********************************************************************
\n** \u51fd\u6570\u540d\u79f0: ZLG7290_SendCmd
\n** \u529f\u80fd\u63cf\u8ff0: \u53d1\u9001\u547d\u4ee4\uff08\u5bf9\u5b50\u5730\u57407\u30018\uff09
\n** \u8f93\u3000\u5165:DATA1 : \u547d\u4ee41
\n** DATA2 : \u547d\u4ee42
\n**
\n** \u8f93\u3000\u51fa: 0 \uff1a Fail
\n** 1 : OK
\n** \u5168\u5c40\u53d8\u91cf: \u65e0
\n** \u8c03\u7528\u6a21\u5757: ISendStr\u3001delayMS
\n**
\n***************************************************************\/<\/p>\n
unsigned char ZLG7290_SendCmd(unsigned char Data1,unsigned char Data2)
\n{
\nunsigned char Data[2];
\n Data[0]=Data1;
\n Data[1]=Data2;
\n ISendStr(zlg7290,0x07,Data,2);
\n delayMS(2);
\n return 1;
\n}
\n\/************************************************************
\n** \u51fd\u6570\u540d\u79f0: ZLG7290_SendBuf
\n** \u529f\u80fd\u63cf\u8ff0: \u5411\u663e\u793a\u7f13\u51b2\u533a\u53d1\u9001\u6570\u636e
\n** \u8f93\u3000\u5165: * disp_buf : \u8981\u53d1\u9001\u6570\u636e\u7684\u8d77\u59cb\u5730\u5740
\n** num : \u53d1\u9001\u4e2a\u6570
\n**
\n** \u8f93\u3000\u51fa: \u65e0
\n** \u5168\u5c40\u53d8\u91cf: \u65e0
\n** \u8c03\u7528\u6a21\u5757: ZLG7290_SendCmd
\n**
\n**************************************************************\/
\nvoid ZLG7290_SendBuf(unsigned char * disp_buf,unsigned char num)
\n{
\n unsigned char i;
\n for(i=0;i<num;i++)
\n {
\n ZLG7290_SendCmd(0x60+i,*disp_buf);
\n disp_buf++;
\n }
\n}
\n\/************************************************************
\n** \u51fd\u6570\u540d\u79f0: ZLG7290_GetKey
\n** \u529f\u80fd\u63cf\u8ff0: \u8bfb\u53d6\u952e\u503c
\n** \u8f93\u3000\u5165: \u65e0
\n**
\n** \u8f93\u3000\u51fa: >0 \u952e\u503c
\n** =0 \u65e0\u952e\u6309\u4e0b
\n** \u5168\u5c40\u53d8\u91cf: \u65e0
\n** \u8c03\u7528\u6a21\u5757: IRcvStr\u3001delayMS
\n**
\n********************************************************\/<\/p>\n
unsigned char ZLG7290_GetKey()
\n{
\nunsigned char rece;
\n rece=0;
\n IRcvStr(zlg7290,1,&rece,1);
\n delayMS(2);
\n\/* switch(rece)
\n {
\n case 25 : rece=1; break;
\n case 17 : rece=2; break;
\n case 9 : rece=3; break;
\n case 1 : rece=4; break;
\n case 26 : rece=5; break;
\n case 18 : rece=6;break;
\n case 10 : rece=7;break;
\n case 2 : rece=8;break;
\n case 27 : rece=9;break;
\n case 19 : rece=0;break;
\n case 11 : rece=10;break;
\n case 3 : rece=11;break;
\n case 28 : rece=12;break;
\n case 20 : rece=13;break;
\n case 12 : rece=14;break;
\n case 4 : rece=15;break;
\n }*\/
\n return rece;
\n}
\n\/****************************ZLG7290\u7a0b\u5e8f\u7ed3\u675f*************************\/<\/p>\n
\/*******************************************************************
\n\u6587\u4ef6:lcd1602.c
\n*****************************************************************\/
\n#include<reg51.h>
\n#define uchar unsigned char
\n#define uint unsigned int
\nsbit lcdrs=P2^0;
\nsbit lcdrw=P2^1;
\nsbit lcden=P2^2;
\nuchar code init1[]=”1.Angle 2.Speed”;
\nuchar code init2[]=”3.Frequency”;
\nuchar code display1[]=”Angle Measure”;
\nuchar code display2[]=”Speed Measure”;
\nuchar code display3[]=”Frequency Divide”;
\nuchar code number[]=”0123456789″;<\/p>\n
void delay1(uint z)\/\/\u5ef6\u65f6\u51fd\u6570
\n{
\n uint x,y;
\n for(x=z;x>0;x–)
\n for(y=110;y>0;y–);
\n}<\/p>\n
void lcd_write_com(uchar com)\/\/LCD\u6db2\u6676\u5199\u6307\u4ee4\u51fd\u6570
\n{
\n lcdrw=0;
\n lcdrs=0;
\n P0=com;
\n delay1(5);
\n lcden=1;
\n delay1(5);
\n lcden=0;
\n}<\/p>\n
void lcd_write_dat(uchar dat)\/\/LCD\u6db2\u6676\u5199\u6570\u636e\u51fd\u6570
\n{
\n lcdrw=0;
\n lcdrs=1;
\n P0=dat;
\n delay1(5);
\n lcden=1;
\n delay1(5);
\n lcden=0;
\n}<\/p>\n
void init_lcd()\/\/LCD\u6db2\u6676\u521d\u59cb\u5316\u51fd\u6570
\n{
\n lcden=0;
\n lcd_write_com(0x38);
\n lcd_write_com(0x0c);
\n lcd_write_com(0x06);
\n lcd_write_com(0x01);
\n lcd_write_com(0x80);
\n}<\/p>\n","protected":false},"excerpt":{"rendered":"
\/*******************************************************
\n\u5de5 \u7a0b \u540d:\u5229\u7528\u5149\u7535\u7f16\u7801\u5668\u5b9e\u73b0\u8f6c\u89d2\u3001\u8f6c\u901f\u540c\u6b65\u6d4b\u8bd5\u7cfb\u7edf
\n\u529f\u80fd\u4ecb\u7ecd:\u6309\u952e\u9009\u62e9\u529f\u80fd\uff0c1\u952e\u9009\u62e9\u6d4b\u91cf\u8f6c\u89d2\uff0c2\u952e\u9009\u62e9\u6d4b\u91cf\u8f6c\u901f\uff0c
\n 3\u952e\u9009\u62e9\u5206\u9891\u3002F\u952e\u786e\u8ba4\uff0cE\u952e\u9000\u51fa.
\n\u7f16\u8bd1\u73af\u5883:KEIL+C
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