#include <REGX52.H> #include <intrins.h> void Delay1000ms() //@11.0592MHz { unsigned char i, j, k; _nop_(); i = 8; j = 1; k = 243; do { do { while (--k); } while (--j); } while (--i); } void main( { while(1) { P2=0xfe; delay=1000ms; P2=0xff; } } 为什么报警

#include <REGX52.H> #include <INTRINS.H> //蜂鸣器端口： sbit Buzzer=P1^5; /** * @brief 蜂鸣器私有延时函数，延时500us * @param 无 * @retval 无 */ void Buzzer_Delay500us() //@11.0592MHz { unsigned char i; _nop_(); i = 227; while (--i); } /** * @brief 蜂鸣器发声 * @param ms 发声的时长，范围：0~32767 * @retval 无 / void Buzzer_Time(unsigned int ms) //决定响的时间 { unsigned int i; for(i=0;i<ms2;i++) { Buzzer=!Buzzer; Buzzer_Delay500us(); //决定频率 } }

// 精确延时函数（@11.0592MHz） void Delay1ms(uint c) { uchar a,b; for(;c>0;c--) for(b=142;b>0;b--) for(a=2;a>0;a--); } // 数码管位选函数（引用[2]优化） void SMG_Select(uchar n) { switch(n) { ...

#include<regx52.h> #include<intrins.h> void Delayms(unsigned int xms) //@11.0592MHz { unsigned char i, j; _nop_(); i = 2*xms; j = 199; do { while (--j); } while (--i); } unsigned char p; void flow(){ while(1){ for(p=0;p<8;p++){ P1=~(0x01<>p); Delayms(500); } } }延时函数与闪烁LED灯代码用这个

void Delayms(unsigned int ms) //@11.0592MHz { unsigned char i, j; while(ms--) { i = 2; j = 199; do{ while (--j); } while (--i); } } void main() { while(1) { P2 = 0xFE; // 点亮P2.0连接的...

#include <REGX52.H> #include <intrins.H> sbit ServoPin = P2^7; unsigned char Time; unsigned int Count; void Timer0Init() { TMOD &= 0xF0; TMOD |= 0x01; TL0 = 0xA4; TH0 = 0xFF; TF0 = 0; TR0 = 1; ET0 = 1; EA = 1; } void Delay(unsigned int xms)//1ms??? { unsigned char i, j; while(xms–) { i = 2; j = 239; do { while (–j); } while (–i); } } void Servo_SetAngle(unsigned char Angle) { if(Angle > 180) Angle = 180; Time = 5 + (unsigned char)((Angle * 20.0) / 180); } void main() { Timer0Init(); ServoPin = 0; while(1) { Servo_SetAngle(0); // ??? Delay(1000); Servo_SetAngle(90); // ??? Delay(1000); Servo_SetAngle(180); Delay(1000); } } void Timer0_Routine() interrupt 1 { TL0 = 0xA4; TH0 = 0xFF; if(Time>Count){ServoPin=1;} else{ServoPin=0;} Count++; Count%=200; } 修改这段代码让stc 89 c 52单片机能控制DS3235舵机

void Delay20ms() //@11.0592MHz { unsigned char i, j; i = 216; j = 37; do { while (--j); } while (--i); } **修改说明：** 1. 定时器配置：50μs中断周期，确保PWM精度 2. 脉宽范围：10-50对应...

#include <REGX52.H> #include <intrins.H> sbit ServoPin = P2^7; unsigned char Time; unsigned int Count; void Timer0Init() { TMOD &= 0xF0; TMOD |= 0x01; TL0 = 0xA4; TH0 = 0xFF; TF0 = 0; TR0 = 1; ET0 = 1; EA = 1; } void Delay(unsigned int xms)//1ms????? { unsigned char i, j; while(xms--) { i = 2; j = 239; do { while (--j); } while (--i); } } void Servo_SetAngle(unsigned char Angle) { if(Angle > 180) Angle = 180; Time = 5 + (unsigned char)((Angle * 20.0) / 180); } void main() { Timer0Init(); ServoPin = 0; while(1) { Servo_SetAngle(0); // ?????? Delay(1000); Servo_SetAngle(90); // ???? Delay(1000); Servo_SetAngle(180); Delay(1000); } } void Timer0_Routine() interrupt 1 { TL0 = 0xA4; TH0 = 0xFF; if(Time>Count){ServoPin=1;} else{ServoPin=0;} Count++; Count%=200; } 修改这段代码让stc 89 c 52单片机能控制DS3225舵机

#include <REGX52.H> #include <intrins.H> sbit ServoPin = P2^7; // 舵机信号线连接P2.7 unsigned char Time; // 高电平时间计数器 unsigned int Count; // 总周期计数器 /********************* 定时器0初始化...

#include <REGX52.H> #include <INTRINS.H> sbit CS = P3^5; // 定义ADC0832的CS引脚 sbit CLK = P3^6; // 定义ADC0832的CLK引脚 sbit DIO = P3^7; // 定义ADC0832的DIO引脚 unsigned char ADC_Read() { unsigned char i, data =0; CS = 0; // 片选低电平开始转换 for (i = 0; i < 8; i++) { // 发送8位控制信号 CLK = 0; DIO = 1; // 选择通道IN0 CLK = 1; } for (i = 0; i < 8; i++) { // 接收8位数据 CLK = 0; data = (data << 1) | DIO; // 读取数据 CLK = 1; } CS = 1; // 片选高电平结束转换 return data; // 返回ADC转换结果[^3] }Build target 'Target 1' compiling XPT2046.c... XPT2046.c(13): error C141: syntax error near '=' XPT2046.c(24): error C141: syntax error near 'data' XPT2046.c(24): error C141: syntax error near ')' XPT2046.c(29): error C141: syntax error near 'data', expected ';' Target not created. Build Time Elapsed: 00:00:00

2. **晶振频率**：确保延时函数与晶振匹配（11.0592MHz） 3. **硬件连接**： ADC0832连接： CS -> P1.0 CLK -> P1.1 DIO -> P1.2 VREF -> 5V LCD连接： D4-D7 -> P0.4-P0.7 RS -> P2.0 RW -> P2.1...

#include <REGX52.H> #define uint unsigned int #define uchar unsigned char sbit beep=P2^3; void delayms(uint xms) { uint i, j; for (i = xms; i > 0; i--) for (j = 110; j > 0; j--); } void led() { } void fengmingqi() { } void main() { TMOD = 0x20; TH1 = 0xFD; TL1 = 0xFD; TR1 = 1; SCON = 0x50; EA = 1; ES = 1; while (1) { if (RI) { uchar cmd = SBUF; RI = 0; switch(cmd) { case '1': forward(); break; case '2': back(); break; } } } }当单片机接收到字符 '1' 时，流水灯灯流动一次；接收到字符 '2' 时，蜂鸣器嘀嘀两次，波特率为9600bps，设系统晶振频率为11.0592MHz

用户的需求是使用11.0592MHz的晶振，波特率9600bps，实现当单片机接收到字符'1'时控制流水灯流动一次，接收到字符'2'时让蜂鸣器响两次。我需要先理清楚这个问题的各个部分，然后逐步解决。首先，用户提到的晶振频率...

#include <REGX52.H> #include<INTRINS.H> int offset=0; sbit SER=P3^4; sbit SCL=P3^6; sbit RCL=P3^5; unsigned char Animation[]={ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x7E,0x81,0x81,0x81,0x81,0x82,0x00,0x03, 0x03,0x03,0x03,0x03,0x00,0xFE,0x01,0x01, 0x01,0x01,0x01,0xFE,0x00,0xFF,0x90,0x90, 0x90,0xE0, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, };//C_UP void Delay(unsigned int Xms) //11.0592Mhz 1ms { unsigned char i, j; while(Xms--) { _nop_(); i = 2; j = 199; do { while (--j); } while (--i); } } void Timer0_Init()//定时器0，工作方式1 { TMOD=0x01; TH0=0xfc;//1ms TL0=0x18; EA=1; ET0=1; TR0=1; } void _74HC595Write(unsigned char byte) { int i=0; for(i=0;i<8;i++) { SER=byte&(0x80>>i); SCL=1; SCL=0; } RCL=1; RCL=0; } void _74HC595_Init() { SCL=0; RCL=0; } void MatrixLED(unsigned char COL,unsigned char byte) { _74HC595Write(byte); P0=~(0x80>>COL); Delay(1); P0=0xff;//消影 } //定时100ms中断 void

<think>嗯，用户想找关于74HC595和矩阵LED控制的嵌入式C代码实现细节或优化方法。首先，我得回顾一下之前提供的引用内容。引用1提到了74HC595在LED点阵中的应用，内部结构图和原理图，这可能对理解硬件连接有帮助。...

#include <REGX52.H> #include <intrins.H> sbit ServoPin= P2^7; unsigned char Time; unsigned int Count;//计数值 void Timer0Init() //100微秒@11.0592MHz { TMOD &= 0xF0; //设置定时器模式 TMOD |= 0x01; //设置定时器模式 TL0 = 0xA4; //设置定时初始值 TH0 = 0xFF; //设置定时初始值 TF0 = 0; //清除TF0标志 TR0 = 1; //定时器0开始计时 ET0=1; EA=1; } void Servo_Proc(unsigned char Angle)//舵机角度控制 { Count=0;//每次调用，都对Count初始化 switch(Angle) { case 0:Time=5;break; case 45:Time=10;break; case 90:Time=15;break; case 135:Time=20;break; case 180:Time=25;break; } } void Delay(unsigned int xms)//1ms的延时函数 { unsigned char i, j; while(xms--) { i = 2; j = 239; do { while (--j); } while (--i); } } void main() { Timer0Init();//定时器0初始化 ServoPin=0;//引脚初始化 while(1) { Servo_Proc(0); Delay(500); Servo_Proc(45); Delay(500); Servo_Proc(90); Delay(500); Servo_Proc(135); Delay(500); Servo_Proc(180); Delay(500); } } void Timer0_Routine() interrupt 1 //从装载值100us { TL0 = 0xA4; //设置定时初始值 TH0 = 0xFF; //设置定时初始值 if(Time>Count){ServoPin=1;}//PWM波的占空比 else{ServoPin=0;} Count++; Count%=200; } 这样一段代码如果想控制 DS3225 舵机应该作何改进？

#include <REGX52.H> #include <intrins.H> sbit ServoPin = P2^7; volatile unsigned char Time; // 添加volatile确保可见性 volatile unsigned int Count; void Timer0Init() // 保持100μs定时 { TMOD &= 0xF0...

#include <REGX52.H> #include <onewire.h> #include <intrins.h> #define MAIN_Fosc 11059200UL //ºê¶¨ÒåÖ÷Ê±ÖÓHZ /==================================== ×Ô¶¨ÒåÀàÐÍÃû ====================================/ typedef unsigned char INT8U; typedef unsigned char uchar; typedef unsigned int INT16U; typedef unsigned int uint; sbit WE=P2^7; sbit DU=P2^6; sbit DQ = P2^2; uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,}; void Delay10us() //@11.0592MHz { unsigned char i,y; i = 10; while (--i) {for(y=1;y>0;y--);} } void delay(INT16U ms) { INT16U i; do{ i = MAIN_Fosc / 96000; while(--i); //96T per loop }while(--ms); } void xian(uchar x,uchar y) { uint i; for(i=0;i<3;i++) { P0=0xff; WE=1; P0=x; WE=0; DU=1; P0=table[y]; DU=0; Delay10us(); } } void display(uchar wen) { uchar a,b,c; uint i; a=wen/100; b=wen/10%10; c=wen%10; xian(0xfe,a); xian(0xfd,b); xian(0xfb,c); } int wen_xian() { unsigned char low,high; unsigned int temp; init_ds18b20(); Write_DS18B20(0xcc); Write_DS18B20(0x44); delay(20); init_ds18b20(); Write_DS18B20(0xcc); Write_DS18B20(0xbe); low = Read_DS18B20(); high = Read_DS18B20(); temp = high; temp <<= 8; temp |= low; temp = temp * 0.0625 + 0.5; return temp; } void panduan(uint wen) { if(wen>31)P1=0xfe; else if(wen>29)P1=0XFD; else if(wen>27)P1=0XFB; else if(wen>25)P1=0XF7; else P1=0X00; } void main() { uint wen; while(1) { wen=wen_xian(); display(wen); panduan(wen); } } 上述代码数码管亮度不一怎么解决

#include <reg52.h> sbit DQ = P3^7; // DS18B20数据引脚 unsigned char display_buffer[4] = {0, 0, 0, 0}; // 显示缓冲区 unsigned char current_digit = 0; // 当前显示位 void Timer0_Init() { TMOD |= ...

#include <REGX51.H> code unsigned char LED[]={0xc0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0xff}; unsigned char number=0; unsigned char counter=0; unsigned char key_value=0; bit run = 0; void key_scan(void); void delay(unsigned int i); void main() { P0=LED[10]; P2=LED[10]; while(1) { key_scan(); if(key_value==1) { if(run==1)run=0; else run=1; key_value=0; } P0=LED[number/10]; P2=LED[number%10]; counter++; if(counter>=10000) { counter=0; if(run==1) number++; if(number>=100)number=0; } } } void key_scan(void) { static unsigned char flag = 0; if (P0_0 == 1) { delay(10); if (P0_0 == 1) flag = 1; } else { if (flag == 1) { delay(10); if (P0_0 == 0) { run = !run; flag = 0; } } } } void delay(unsigned int i) { while(i--); }不要改变我写的代码格式，只需要修改其中的错误

void Delay1000ms() //@11.0592MHz { unsigned char i, j, k; _nop_(); i = 8; j = 1; k = 243; do { do { while (--k); } while (--j); } while (--i); } #### 3. 按键扫描逻辑缺陷典型错误代码： c ...

#include <REGX52.H> #include <INTRINS.H> // 电机控制引脚定义 sbit In1 = P1^4; sbit In2 = P1^3; sbit In3 = P1^2; sbit In4 = P1^1; sbit MotorR = P1^0; sbit MotorL = P1^5; // 超声波模块引脚定义 sbit Trig = P2^1; sbit Echo = P2^0; unsigned char Counter, CompareL, CompareR; unsigned int sum; unsigned int maidsince = 20; // 设定距离 // 定时器1初始化函数 void Timer1_Init(void) { TMOD &= 0x0F; // 设置定时器模式 TMOD |= 0x10; // 设置定时器模式 TL1 = 0x9C; // 设置定时初值 TH1 = 0xFF; // 设置定时初值 TF1 = 0; // 清除TF1标志 TR1 = 1; // 定时器1开始计时 ET1 = 1; EA = 1; PT1 = 0; } // 电机初始化函数 void Motor_Init(void) { Timer1_Init(); } // 控制右电机正转速度函数 void Motor_SetSpeedR(unsigned char SpeedR) { CompareR = SpeedR; In1 = 1; In2 = 0; } // 控制左电机正转速度函数 void Motor_SetSpeedL(unsigned char SpeedL) { CompareL = SpeedL; In3 = 0; In4 = 1; } // 定时器1中断服务函数 void Timer1_Routine() interrupt 3 { TL1 = 0x9C; TH1 = 0xFF; Counter++; Counter %= 100; if (Counter < CompareR) { MotorR = 1; } else { MotorR = 0; } if (Counter < CompareL) { MotorL = 1; } else { MotorL = 0; } } // 200ms延时函数 void Delay200ms(void) //@11.0592MHz { unsigned char data i, j, k; _nop_(); i = 2; j = 103; k = 147; do { do { while (--k); } while (--j); } while (--i); } // 20us延时函数 void Delay20us() //@11.0592MHz { unsigned char i; _nop_(); i = 6; while (--i); } // 超声波检测函数 void chaosheng() { TMOD = 0x21; TL0 = 0; TH0 = 0; Trig = 1; Delay20us(); Trig = 0; while (!Echo); TR0 = 1; while (Echo); TR0 = 0; sum = ((TH0 * 256 + TL0) * 0.034) / 2 + 1; // 判断距离 Delay200ms(); SendByte(sum); if (maidsince > sum) // sum < 20 { Motor_SetSpeedR(0); Motor_SetSpeedL(0); } else { Motor_SetSpeedR(80); Motor_SetSpeedL(80); } } // 串口1初始化函数 void Uart1_Init(void) //[email protected] { PCON &= 0x7F; // 波特率不倍速 SCON = 0x50; // 8位数据,可变波特率 TMOD &= 0x0F; // 设置定时器模式 TMOD |= 0x20; // 设置定时器模式 TL1 = 0xFD; // 设置定时初始值 TH1 = 0xFD; // 设置定时重载值 ET1 = 0; // 禁止定时器中断 TR1 = 1; // 定时器1开始计时 } // 发送字节函数 void SendByte(unsigned char byte) { SBUF = byte; while (TI == 0); TI = 0; } void main() { Uart1_Init(); Motor_Init(); while (1) { chaosheng(); } }避障功能只能实现一边电机停，另一边还在转

#include <reg52.h> #define TRIG P1_0 #define ECHO P1_1 #define MOTOR_R P2_0 #define MOTOR_L P2_1 unsigned int distance = 0; void Timer0_Init() { TMOD |= 0x01; TH0 = 0; TL0 = 0; } void ...

#include <reg52.h> #define LCD1602_DB P0 sbit LCD1602_RS = P1^0; sbit LCD1602_RW = P1^1; sbit LCD1602_E = P1^5; // 串口接收相关变量 unsigned char RxdBuffer[32]; // 接收缓冲区 unsigned char RxdCnt = 0; // 接收计数器 bit CmdReady = 0; // 命令就绪标志 /------ LCD1602驱动函数 ------/ void LcdWaitReady() { unsigned char sta; LCD1602_DB = 0xFF; LCD1602_RS = 0; LCD1602_RW = 1; do { LCD1602_E = 1; sta = LCD1602_DB; LCD1602_E = 0; } while(sta & 0x80); } void LcdWriteCmd(unsigned char cmd) { LcdWaitReady(); LCD1602_RS = 0; LCD1602_RW = 0; LCD1602_DB = cmd; LCD1602_E = 1; LCD1602_E = 0; } void LcdWriteDat(unsigned char dat) { LcdWaitReady(); LCD1602_RS = 1; LCD1602_RW = 0; LCD1602_DB = dat; LCD1602_E = 1; LCD1602_E = 0; } void LcdSetCursor(unsigned char x, unsigned char y) { unsigned char addr; if(y == 0) addr = 0x00 + x; else addr = 0x40 + x; LcdWriteCmd(addr | 0x80); } void LcdShowStr(unsigned char x, unsigned char y, unsigned char *str) { LcdSetCursor(x, y)

<think>好的，我现在需要帮助用户解决关于LCD1602与单片机接口的驱动代码问题，特别是使用reg52.h头文件的情况，同时涉及串口接收和RxdBuffer的处理。首先，我需要回忆一下用户之前的提问和引用内容。用户之前提到了...

#include "REGX52.H" #include "smg.h" #include "delay.h" #include "Timer0.h" int Time_SMG = 0, Timer0Count = 0, blink = 0, Timer0Count2 = 0; int flag = 1; // 定义IO口连接 sbit RedEastWest = P1 ^ 0; // 东西向红灯 sbit YellowEastWest = P1 ^ 1; // 东西向黄灯 sbit GreenEastWest = P1 ^ 2; // 东西向绿灯 sbit RedNorthSouth = P1 ^ 3; // 南北向红灯 sbit YellowNorthSouth = P1 ^ 4; // 南北向黄灯 sbit GreenNorthSouth = P1 ^ 5; // 南北向绿灯 // 主函数 void main() { Timer0Init(); P3_7 = 0; while (1) { // 过程：东西红灯33秒，南北绿灯27秒，绿灯以占空比50闪烁3秒，黄灯三秒； if (flag == 0) { RedEastWest = 0; GreenEastWest = 1; YellowEastWest = 1; if (Time_SMG < 27) { GreenNorthSouth = 0; RedNorthSouth = 1; YellowNorthSouth = 1; } else if (Time_SMG >= 27 && Time_SMG <= 30) { blink = 1; // 绿灯闪烁 } else if (Time_SMG > 30) { blink = 0; GreenNorthSouth = 1; YellowNorthSouth = 0; RedNorthSouth = 1; } } else if (flag == 1) { RedNorthSouth = 0; GreenNorthSouth = 1; YellowNorthSouth = 1; if (Time_SMG < 27) { GreenEastWest = 0; YellowEastWest = 1; RedEastWest = 1; } else if (Time_SMG >= 27 && Time_SMG <= 30) { blink = 1; // 绿灯闪烁 } else if (Time_SMG > 30) { blink = 0; GreenEastWest = 1; YellowEastWest = 0; RedEastWest = 1; } } smg(1, Time_SMG % 10); smg(2, Time_SMG / 10); } } void Timer0Routine() interrupt 1 // 中断 { TL0 = 0x66; // 设置定时初值 TH0 = 0xFC; // 设置定时初值【注意：这里的定时初值要与函数Timer0Init内的初值一样】10ms Timer0Count++; // 每1ms打断一次，计数器加1 Timer0Count2++; if (Timer0Count >= 1000) // 当计数器到1000，即经过1秒 { Time_SMG++; Timer0Count = 0; } if (Time_SMG > 33) { Time_SMG = 0; flag = !flag; } if (Timer0Count2 >= 500) // 当计数器到100，即经过0.1秒 { Timer0Count2 = 0; if (blink == 1) { if (flag == 0) { GreenNorthSouth = !GreenNorthSouth; } else if (flag == 1) { GreenEastWest = !GreenEastWest; } } } } 数码管函数： unsigned char smgText[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90}; void smg(unsigned char location,number) { switch(location) { case 1:P2_0=0;P2_1=1;P2_2=1;P2_3=1;break; case 2:P2_0=1;P2_1=0;P2_2=1;P2_3=1;break; case 3:P2_0=1;P2_1=1;P2_2=0;P2_3=1;break; case 4:P2_0=1;P2_1=1;P2_2=1;P2_3=0;break; } P3=smgText[number]; Delay(10); P3=0x00; } 帮我修改一下，使其满足一下要求。南北红灯亮维持15秒，在南北红灯亮的同时东西绿灯也亮，并维持八 10秒。到10秒时，东西绿灯闪亮，闪亮3秒后熄灭。在东西绿灯熄灭时， 4 东西黄灯亮，并维持2秒。到2秒时，东西黄灯熄灭，东西红灯亮，同时，南北红灯熄灭，绿灯亮。东西红灯亮维持15秒。南北绿灯亮维持10秒，然后闪亮3秒后熄灭。同时南北黄灯亮，维持2秒后熄灭，这时南北红灯亮，东西绿灯亮，周而复始。

<think>我们有一个交通灯控制的需求，需要修改现有的C代码以满足特定的时序要求，并且数码管要正确显示时间。根据用户描述，交通灯时序如下： 1. 初始状态：南北红灯亮15秒，同时东西绿灯亮10秒（注意：南北红灯...

用regx52.h把#include "reg52.h" sbit L1 = P0^0; sbit S7 = P3^0; void SelectHC573() { P2 = (P2 & 0x1f) | 0x80; } //============定时相关的函数================ unsigned char count = 0; unsigned char pwm_duty = 0; void InitTimer0() { TMOD = 0x01; TH0 = (65535 - 100) / 256; TL0 = (65535 - 100) % 256; ET0 = 1; EA = 1; } void ServiceTimer0() interrupt 1 { TH0 = (65535 - 100) / 256; TL0 = (65535 - 100) % 256; count++; if(count == pwm_duty) { L1 = 1; } else if(count == 100) { L1 = 0; count = 0; } } //========================================== //============按键相关的函数================ void Delay(unsigned int t) { while(t--); } unsigned char stat = 0; void ScanKeys() { if(S7 == 0) { Delay(100); if(S7 == 0) { switch(stat) { case 0: L1 = 0; TR0 = 1; pwm_duty = 10; stat = 1; break; case 1: pwm_duty = 50; stat = 2; break; case 2: pwm_duty = 90; stat = 3; break; case 3: L1 = 1; TR0 = 0; stat = 0; break; } while(S7 == 0); } } } //============================================ void main() { SelectHC573(); L1 = 1; InitTimer0(); while(1) { ScanKeys(); } } 这段代码的作用复制过来并生成以regx52.h为头的代码

计算定时器初值，假设系统晶振是11.0592MHz，周期定为0.1ms，那么TH0和TL0的初值怎么算呢？可能需要用65536 - (11059200 / 12 / 10000) 得到。不过用户可能不需要具体数值，只要给出示例结构。按键扫描部分，需要...

#include <REGX51.H> #include <intrins.h> #include <stdio.h> #define SPK P3_7 #define TEMP1 P1_1 #define TEMP2 P1_2 #define KEY_ADD P3_2 #define KEY_RDU P3_3 /引脚定义********/ sbit DHT11_DATA = P2^7; sbit LCD_RS=P3^5; sbit LCD_RW=P3^6; sbit LCD_EN=P3^4; #define LCD_DataPort P0 unsigned int counter = 0; int YU=0,Uart_Rx = 0; char tep[]={0}; void LCD_Delay() { unsigned char i, j; i = 2; j = 239; do { while (--j); } while (--i); } void sounder_warn() { unsigned int i, j; // 声明无符号整型变量i,j,k for(i = 0; i < 400; i++) // 循环200次，1kHz { SPK = !SPK; for(j = 0; j < 50; j++); // 延时 } } / * @brief LCD1602写命令 * @param Command 要写入的命令 */ void LCD_WriteCommand(unsigned char Command) { LCD_RS=0; LCD_RW=0; LCD_DataPort=Command; LCD_EN=1; LCD_Delay(); LCD_EN=0; LCD_Delay(); } /** * @brief LCD1602写数据 * @param Data 要写入的数据 */ void LCD_WriteData(unsigned char Data) { LCD_RS=1; LCD_RW=0; LCD_DataPort=Data; LCD_EN=1; LCD_Delay(); LCD_EN=0; LCD_Delay(); } /** * @brief LCD1602设置光标位置 * @param Line 行位置，范围：1~2 * @param Column 列位置，范围：1~16 */ void LCD_SetCursor(unsigned char Line,unsigned char Column) { if(Line==1) { LCD_WriteCommand(0x80|(Column-1)); } else if(Line==2) { LCD_WriteCommand(0x80|(Column-1+0x40)); } } /** * @brief LCD1602初始化函数 / void LCD_Init() { LCD_WriteCommand(0x38);//八位数据接口，两行显示，57点阵 LCD_WriteCommand(0x0c);//显示开，光标关，闪烁关 LCD_WriteCommand(0x06);//数据读写操作后，光标自动加一，画面不动 LCD_WriteCommand(0x01);//光标复位，清屏 } /** * @brief 在LCD1602指定位置开始显示所给字符串 * @param Line 起始行位置，范围：1~2 * @param Column 起始列位置，范围：1~16 * @param String 要显示的字符串 * @retval 无 / void LCD_ShowString(unsigned char Line,unsigned char Column,char String) { unsigned char i; LCD_SetCursor(Line,Column); for(i=0;String[i]!='\0';i++) { LCD_WriteData(String[i]); } } /** * @brief 返回值=X的Y次方 / int LCD_Pow(int X,int Y) { unsigned char i; int Result=1; for(i=0;i<Y;i++) { Result=X; } return Result; } /** * @brief 在LCD1602指定位置开始显示所给数字 * @param Line 起始行位置，范围：1~2 * @param Column 起始列位置，范围：1~16 * @param Number 要显示的数字，范围：0~65535 * @param Length 要显示数字的长度，范围：1~5 * @retval 无 */ void LCD_ShowNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length) { unsigned char i; LCD_SetCursor(Line,Column); for(i=Length;i>0;i--) { LCD_WriteData(Number/LCD_Pow(10,i-1)%10+'0'); } } // 精准延时（12MHz晶振） void Delay_us(unsigned int us) { while(--us); } void Delay20ms() //@11.0592MHz { unsigned char i, j; i = 36; j = 217; do { while (--j); } while (--i); } /************************************************************************************ 函数名：DHT11_start 函数功能：DHT11开始信号输入：无输出：无 */ char DHT11_start() { DHT11_DATA = 1; Delay_us(2); DHT11_DATA = 0; Delay20ms(); // 修正：最小18ms即可 DHT11_DATA = 1; while(DHT11_DATA == 1); // 等待DHT11响应 while(DHT11_DATA == 0); while(DHT11_DATA == 1); return 0; } /****************************************************** 函数名：DHT11_rec_byte 函数功能：接收8位二进制输入：无输出：dat ********************************************/ void Delay40us() //@11.0592MHz { unsigned char i; _nop_(); i = 15; while (--i); } unsigned char DHT11_rec_byte() // 接收一个字节 { unsigned char dat=1; unsigned char i = 0; while(DHT11_DATA == 1);//等待DHT11高电平过去 for( i = 0;i < 8;i++) { while(DHT11_DATA == 0); Delay40us(); if(DHT11_DATA == 0) { dat = dat << 1; } else { dat = dat << 1; dat = dat | 1;//和00000001按位或 while(DHT11_DATA == 1); } } return dat; } /一次传送40位数据，高位先出，校验数据*/ /************************************************************************************************ 函数名：DHT11_receive 函数功能：接收40位的数据输入：无输出：无 **********************************************/ // DHT11读取（修正变量声明问题） bit DHT11_Read(unsigned char temp, unsigned char humi) { unsigned char buf[5] = {0}; int a=0; unsigned char i = 0; if(DHT11_start() == 0) { for(i = 0;i < 5;i++) { buf[i] = DHT11_rec_byte(); } } Delay_us(25); // 拉低总线50us，随后总线由上拉电阻进入空闲状态 // 校验数据 if((buf[0] + buf[1] + buf[2] + buf[3]) == buf[4]) { humi = buf[0]; temp = buf[2]; return 1; } else{ return 0;} } void Adjust(unsigned char temp) { if(temp>YU+10) { TEMP1=1; sounder_warn(); } else if(temp<YU-10) { TEMP2=1; sounder_warn(); } else { SPK=0; TEMP1=0; TEMP2=0; } } //串口初始化 void uart_init() //[email protected] { PCON &= 0x7F; //波特率不倍速 SCON = 0x50; //设定模式1，REN置1串口可接收可发送 TMOD &= 0x0F; //设置定时器模式 TMOD |= 0x20; //设置定时器模式 TL1 = 0xFD; //设置定时初始值 TH1 = 0xFD; //设置定时重载值 ET1 = 0; //禁止定时器中断 TR1 = 1; //定时器1开始计时 ES=1; //开启串口中断 EA=1; //开启总中断 } // 发送一个字节 void send_byte(unsigned char dat) { SBUF = dat; while(TI == 0); // 等待发送完成 TI = 0; // 清除发送标志 } void putstring(unsigned char dat) { while(dat != '\0') //判断字符串是否发送完毕 { send_byte(dat); //发送单个字符 dat++; //字符地址加1，指向先下一个字符 } } void intToDecStr(unsigned int num, char buffer) { char temp[6]; // 临时存储，最大 65535（5位+结束符） int i = 0, j = 0; // 处理特殊情况：输入为 0 if (num == 0) { buffer[0] = '0'; buffer[1] = '\0'; return; } // 生成逆序的数字字符（如 255 → '5' '5' '2'） while (num > 0) { temp[i++] = (num % 10) + '0'; // 数字转字符 num /= 10; } // 反转字符顺序 for (j = 0; j < i; j++) { buffer[j] = temp[i - j - 1]; } buffer[j] = '\0'; // 添加结束符 } void main() { bit status = 0; unsigned char temp = 0, humi = 0; char hexStr1[4] ={0}; char hexStr2[4] ={0}; char hexStr3[4] ={0}; LCD_Init(); uart_init(); EA=1; EX0=1; IT0=1; EX1=1; IT1=1; PX0=1; PX1=1; while(1) { // 每2秒读取DHT11（修正：40次×5ms=200ms → 实际应为400次） if(++counter >= 40) { counter = 0; status = DHT11_Read(&temp, &humi); } Adjust(temp); // 显示控制 if(status) { LCD_ShowString(1,1,"wen:"); LCD_ShowNum(1,6,temp,3); LCD_ShowString(1,10,"shi:"); LCD_ShowNum(1,14,humi,3); } LCD_ShowString(2,1,"yu:"); LCD_ShowNum(2,5,YU,3); intToDecStr(temp,hexStr1); intToDecStr(humi,hexStr2); intToDecStr(YU,hexStr3); putstring("\r\ntemp:\r\n"); putstring(hexStr1); putstring("\r\nhumi:\r\n"); putstring(hexStr2); putstring("\r\nYU:\r\n"); putstring(hexStr3); } } //外部中断0服务程序 void int0() interrupt 0 { Delay20ms(); // 首次延时消抖 if(KEY_ADD == 0) { // 二次电平确认 YU = (YU < 200) ? YU+10 : 200; while(KEY_ADD == 0); // 等待按键释放 } } //外部中断1服务程序 void int1() interrupt 2 { Delay20ms(); // 首次延时消抖 if(KEY_RDU == 0) { // 二次电平确认 YU = (YU > 0) ? YU-10 : 0; while(KEY_RDU == 0); // 等待按键释放 } } void Uart() interrupt 4 { if(1 == RI) //接收中断 { RI = 0; //清除中断 tep[Uart_Rx++]=SBUF; if(SBUF == '\n') { YU = (tep[0] - '0') * 10 + (tep[1] - '0'); Uart_Rx = 0; } } }只显示yu:000且两个指示灯亮了

#include <reg52.h> #include <intrins.h> #define uchar unsigned char uchar r_led_state = 0; uchar r_led_set_cnt = 50; // 定义按键引脚 sbit k1 = P3^0; sbit k2 = P3^1; sbit k3 = P3^2; sbit K4 = P3^3; uchar led_pattern = 0xfe; // 新增标志位，用于记录流水灯方向，0表示正向（初始方向），1表示反向 bit led_direction = 0; void timer0_Init() { TMOD = 0x01; TH0 = (65536 - 10000) / 256; TL0 = (65536 - 10000) % 256; EA = 1; ET0 = 1; TR0 = 1; } void led_fun() { static uchar r_led_cnt = 0; if (r_led_state == 0) { P2 = 0xff; } else if (r_led_state == 1) { P2 = 0x00; } else if (r_led_state == 2) { r_led_cnt++; if (r_led_cnt >= r_led_set_cnt) { r_led_cnt = 0; // 根据流水灯方向标志决定移位方向 if (led_direction == 0) { led_pattern = _cror_(led_pattern, 1); } else { led_pattern = _crol_(led_pattern, 1); } P2 = led_pattern; } } else if (r_led_state == 3) { r_led_cnt++; if (r_led_cnt >= r_led_set_cnt) { r_led_cnt = 0; if (led_direction == 0) { led_pattern = _crol_(led_pattern, 1); } else { led_pattern = _cror_(led_pattern, 1); } P2 = led_pattern; } } } void key_one_fun() { static unsigned char r_key_cnt = 0; static unsigned char f_key_one = 0; if (k1 == 0) { r_key_cnt++; if (r_key_cnt >= 3 && f_key_one == 0) { f_key_one = 1; if (r_led_state < 3) { r_led_state++; } else { r_led_state = 0; } if (r_led_state == 2) { led_pattern = 0xfe; P2 = led_pattern; } if (r_led_state == 3) { led_pattern = 0xfe; P2 = led_pattern; } } } else { r_key_cnt = 0; f_key_one = 0; } } void key_fun() { static unsigned char r_key_value = 0; static unsigned char r_key_state = 0; static unsigned char r_key_cnt = 0; static unsigned char r_key_value_old = 0; static unsigned char f_add_sub = 0; static unsigned char r_add_sub_cnt = 0; r_key_value = 0; if (k1 == 0) { r_key_value = r_key_value | 0x01; } if (k2 == 0) { r_key_value = r_key_value | 0x02; } if (k3 == 0) { r_key_value = r_key_value | 0x04; } if ((r_key_value & 0x06) == 0x06)//当K2和K3同时按下时，改变流水灯方向 { led_direction = ~led_direction; { unsigned int i; for (i = 0; i < 1000; i++); } } if (r_key_state == 0) { if (r_key_value_old == r_key_value && r_key_value!= 0) { r_key_cnt = 0; r_key_state = 1; } } else if (r_key_state == 1) { if (r_key_value == 0) { if (r_key_cnt >= 3) { if (r_key_value_old == 0x02) { if (r_led_set_cnt > 0) { r_led_set_cnt--; } } else if (r_key_value_old == 0x04) { if (r_led_set_cnt < 100) { r_led_set_cnt++; } } } r_key_state = 0; } else if (r_key_cnt++ >= 100) { if (r_key_value == 0x02) { f_add_sub = 1; } else if (r_key_value == 0x04) { f_add_sub = 2; } r_key_state = 2; } } else if (r_key_state == 2) { if (r_key_value == 0) { r_key_state = 0; f_add_sub = 0; } } r_key_value_old = r_key_value; r_add_sub_cnt++; if (r_add_sub_cnt >= 4) { r_add_sub_cnt = 0; if (f_add_sub == 1) { if (r_led_set_cnt > 0) { r_led_set_cnt--; } } else if (f_add_sub == 2) { if (r_led_set_cnt < 100) { r_led_set_cnt++; } } } } void timer0_s() interrupt 1 { TH0 = (65536 - 10000) / 256; TL0 = (65536 - 10000) % 256; key_one_fun(); key_fun(); led_fun(); } void main() { timer0_Init(); while (1) {} }给我加一个K4按键P3_3，它可以使流水灯从两边向内流动在从内向外流动一直循环

void Delay1ms(unsigned int xms) //@11.0592MHz { unsigned char i, j; while (xms--) { i = 2; j = 199; do { while (--j); } while (--i); } } void main() { direction = 0; // 初始化方向为0 ...

1. 功能1:LED流水灯模式上电后，LED以默认速度（1Hz）循环右移（此为模式1），共3种模式流水灯模式1:右移流水灯2模式2:左移流水灯3模式3:双向闪烁(全亮-全灭交替) 使用清翔51单片机，基于REGX52.h,同时是at89c52型号，只能使用c语言

<think>好的，用户想用清翔51单片机（AT89C52型号）和REGX52.h头文件实现三种LED流水灯模式：1Hz右移、左移和双向闪烁。我需要参考之前提供的代码和引用内容来构建解决方案。首先，用户提到的头文件是REGX52.h，...

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#include <REGX52.H> #include <intrins.h> void Delay1000ms() //@11.0592MHz { unsigned char i, j, k; _nop_(); i = 8; j = 1; k = 243; do { do { while (--k); } while (--j); } while (--i); } void main( { while(1) { P2=0xfe; delay=1000ms; P2=0xff; } } 为什么报警

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