随笔分类 -  蓝桥杯

14-综合实训案例
摘要：#include "reg52.h" #include <stdio.h> #include <string.h> sfr AUXR = 0x8e; sbit L7 = P0^6; sbit L8 = P0^7; sbit S5 = P3^2; sbit S4 = P3^3; // 预定义 unsi 阅读全文
posted @ 2023-01-03 11:15 Unclesundada 阅读(20) 评论(0) 推荐(0) 编辑
13-存储器扩展技术
摘要：//io扩展 #include "reg52.h" void Delay(unsigned char t) { while(t--); } void SelectHC573(unsigned char n) { switch(n) { case 4: P2 = (P2&0x1f)|0x80;//LE 阅读全文
posted @ 2023-01-02 21:09 Unclesundada 阅读(32) 评论(0) 推荐(0) 编辑
12-串口通信进阶
摘要：#include "reg52.h" sfr AUXR = 0x8e; void delay(unsigned char t) { while(t--); } void SelectHC573(unsigned char n) { switch(n) { case 4: P2 = (P2&0x1f) 阅读全文
posted @ 2022-12-31 10:03 Unclesundada 阅读(30) 评论(0) 推荐(0) 编辑
11-串口通信
摘要：#include "reg52.h" sfr AUXR = 0x8e; unsigned char urdat; void InitUart() { TMOD = 0x20; TH1 = 0xfd; TL1 = 0xfd; TR1 = 1; SCON = 0x50; AUXR = 0x00; ES 阅读全文
posted @ 2022-12-30 09:24 Unclesundada 阅读(41) 评论(0) 推荐(0) 编辑
10-PWM脉宽调制信号
摘要：#include "reg52.h" sbit L1 = P0^0; sbit S7 = P3^0; void delay(unsigned char t) { while(t--); } void HC573() { P2 = (P2 & 0x1f) | 0x80; } // PWM unsign 阅读全文
posted @ 2022-12-29 11:32 Unclesundada 阅读(53) 评论(0) 推荐(0) 编辑
09-定时器拓展应用
摘要：#include "reg52.h" sbit S4 = P3^3; sbit S5 = P3^2; unsigned char fen = 0; unsigned char miao = 0; unsigned char t_005ms = 0; void delay(unsigned char 阅读全文
posted @ 2022-12-28 18:50 Unclesundada 阅读(22) 评论(0) 推荐(0) 编辑
08-定时器及其应用
摘要：#include "reg52.h" sbit L1 = P0^0; sbit L8 = P0^7; void SelectHC573() { P2 = (P2&0x1f) | 0x80; } // void InitTimer0() { TMOD = 0x01; TH0 = (65535 - 50 阅读全文
posted @ 2022-12-27 13:56 Unclesundada 阅读(38) 评论(0) 推荐(0) 编辑
07-中断系统与外部中断
摘要：#include "reg52.h" sbit L1 = P0^0; sbit L8 = P0^7; void delay(unsigned char t) { while(t--); } void HC138() { P2 = (P2 & 0x1f) | 0x80; } void Working( 阅读全文
posted @ 2022-12-26 10:22 Unclesundada 阅读(14) 评论(0) 推荐(0) 编辑
06-矩阵键盘
摘要：#include "reg52.h" sfr P4 = 0xc0; sbit R1 = P3^0; sbit R2 = P3^1; sbit R3 = P3^2; sbit R4 = P3^3; sbit C4 = P3^4; sbit C3 = P3^5; sbit C2 = P4^2; sbit 阅读全文
posted @ 2022-12-25 10:29 Unclesundada 阅读(26) 评论(0) 推荐(0) 编辑
05-独立按键
摘要：#include "reg52.h" sbit S7 = P3^0; sbit S6 = P3^1; sbit S5 = P3^2; sbit S4 = P3^3; sbit L1 = P0^0; sbit L2 = P0^1; sbit L3 = P0^2; sbit L4 = P0^3; voi 阅读全文
posted @ 2022-12-24 12:11 Unclesundada 阅读(25) 评论(0) 推荐(0) 编辑
04-数码管动态显示
摘要：# include "reg52.h" void delay(unsigned char i) { while(i--); } void showseg(); void maindelay(unsigned char t) { while(t--) { showseg(); } } unsigned 阅读全文
posted @ 2022-12-23 11:00 Unclesundada 阅读(53) 评论(0) 推荐(0) 编辑
03-数码管静态显示
摘要：# include "reg52.h" void delay(unsigned char i) { while(i--); } unsigned char code table[] = { 0xc0,//0 0xf9,//1 0xa4,//2 0xb0,//3 0x99,//4 0x92,//5 0 阅读全文
posted @ 2022-12-22 11:05 Unclesundada 阅读(33) 评论(0) 推荐(0) 编辑
02-继电器蜂鸣器
摘要：#include "reg52.h" ​ sbit HC138_A = P2^5; sbit HC138_B = P2^6; sbit HC138_C = P2^7; ​ void delay(unsigned int t) { while(t--); while(t--); } ​ void YN 阅读全文
posted @ 2022-12-21 09:52 Unclesundada 阅读(60) 评论(0) 推荐(0) 编辑

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