for(clear=0;clear<10;clear++) { Buzzer=1; LED=0; for(f=0;f<40;f++) Disp_init(); LED=1; for(f=0;f<40;f++) Disp_init(); }
时间: 2023-11-06 07:07:03 浏览: 115
这段代码是一个 for 循环,它的作用是在获取毛皮重量时触发蜂鸣器和 LED 灯,以及执行一些显示操作。具体来说,它会执行10次循环,每次循环中会执行以下操作:
- 将 Buzzer 置为1,即触发蜂鸣器发出声音。
- 将 LED 置为0,即打开 LED 灯。
- 执行一个内部循环,循环40次,每次调用 Disp_init() 函数。
- 将 LED 置为1,即关闭 LED 灯。
- 再次执行一个内部循环,循环40次,每次调用 Disp_init() 函数。
这个循环的作用是在称重时提醒用户正在进行称重操作,并通过显示器显示相关信息。
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void Get_Maopi() { unsigned char clear,f; mm: Weight_Maopi_0 = HX711_Read(); for(clear=0;clear<10;clear++) { Buzzer=1; LED=0; for(f=0;f<40;f++) Disp_init(); LED=1; for(f=0;f<40;f++) Disp_init(); } Weight_Maopi = HX711_Read(); if((Weight_Maopi*10)/GapValue!=(Weight_Maopi_0*10)/GapValue) goto mm; Buzzer=0; for(f=0;f<10;f++) Disp_init(); Buzzer=1; }
这段代码定义了一个名为 Get_Maopi 的函数,它的作用是获取称重时的毛皮重量。具体来说,它会通过调用 HX711_Read() 函数来读取称重传感器的值,并进行一系列处理。这些处理包括在称重时触发蜂鸣器和 LED 灯,以及在获取毛皮重量时判断重量是否稳定。如果重量不稳定,则会重新获取毛皮重量,直到稳定为止。最后,函数通过触发蜂鸣器来提示用户已经获取到了毛皮重量。
如果写#include <reg51.h>#include <stdio.h>#define LCD1602_DB P0sbit LCD1602_RS = P2^6;sbit LCD1602_RW = P2^5;sbit LCD1602_E = P2^7;#define LED P1#define BUZZER P3^7void delay(unsigned int t){ unsigned int i, j; for(i = 0; i < t; i++) for(j = 0; j < 125; j++);}void LCD1602_WriteCmd(unsigned char cmd){ LCD1602_RS = 0; LCD1602_RW = 0; LCD1602_DB = cmd; LCD1602_E = 1; delay(1); LCD1602_E = 0; delay(1);}void LCD1602_WriteData(unsigned char dat){ LCD1602_RS = 1; LCD1602_RW = 0; LCD1602_DB = dat; LCD1602_E = 1; delay(1); LCD1602_E = 0; delay(1);}void LCD1602_Init(){ LCD1602_WriteCmd(0x38); LCD1602_WriteCmd(0x0c); LCD1602_WriteCmd(0x06); LCD1602_WriteCmd(0x01);}void LCD1602_Clear(){ LCD1602_WriteCmd(0x01);}void LCD1602_SetCursor(unsigned char x, unsigned char y){ unsigned char addr; if(y == 0) addr = 0x80 + x; else addr = 0xc0 + x; LCD1602_WriteCmd(addr);}void UART_Init(){ TMOD = 0x20; TH1 = 0xfd; TL1 = 0xfd; TR1 = 1; SM0 = 0; SM1 = 1; REN = 1;}unsigned char UART_Receive(){ while(!RI); RI = 0; return SBUF;}void UART_Send(unsigned char dat){ SBUF = dat; while(!TI); TI = 0;}void main(){ unsigned char password[4] = {'1', '2', '3', '4'}; unsigned char input[4]; unsigned char i, j; unsigned char correct = 0; unsigned char tries = 0; LCD1602_Init(); UART_Init(); while(1) { LCD1602_Clear(); LCD1602_SetCursor(0, 0); LCD1602_WriteData('P'); LCD1602_WriteData('l'); LCD1602_WriteData('e'); LCD1602_WriteData('a'); LCD1602_WriteData('s'); LCD1602_WriteData('e'); LCD1602_WriteData(' '); LCD1602_WriteData('E'); LCD1602_WriteData('n'); LCD1602_WriteData('t'); LCD1602_WriteData('e'); LCD1602_WriteData('r'); LCD1602_WriteData(' '); LCD1602_WriteData('P'); LCD1602_WriteData('a'); LCD1602_WriteData('s'); LCD1602_WriteData('s'); LCD1602_WriteData('w'); LCD1602_WriteData('o'); LCD1602_WriteData('r'); LCD1602_SetCursor(0, 1); for(i = 0; i < 4; i++) { input[i] = UART_Receive(); LCD1602_WriteData('*'); } for(i = 0; i < 4; i++) { if(input[i] != password[i]) { correct = 0; break; } else { correct = 1; } } if(correct) { LCD1602_Clear(); LCD1602_SetCursor(0, 0); LCD1602_WriteData('W'); LCD1602_WriteData('e'); LCD1602_WriteData('l'); LCD1602_WriteData('c'); LCD1602_WriteData('o'); LCD1602_WriteData('m'); LCD1602_WriteData('e'); LED = 0xff; BUZZER = 0; delay(1000); } else { tries++; if(tries >= 3) { BUZZER = 1; delay(1000); BUZZER = 0; tries = 0; } else { LCD1602_Clear(); LCD1602_SetCursor(0, 0); LCD1602_WriteData('P'); LCD1602_WriteData('l'); LCD1602_WriteData('e'); LCD1602_WriteData('a'); LCD1602_WriteData('s'); LCD1602_WriteData('e'); LCD1602_WriteData(' '); LCD1602_WriteData('T'); LCD1602_WriteData('r'); LCD1602_WriteData('y'); LCD1602_WriteData(' '); LCD1602_WriteData('A'); LCD1602_WriteData('g'); LCD1602_WriteData('a'); LCD1602_WriteData('i'); LCD1602_WriteData('n'); delay(3000); } } }}之前要怎样分析
作文时遇到了写不下去的情况,应该怎么办?
遇到写不下去的情况,可以先停下来,放松一下自己的身心,让自己的思维得到缓解。可以喝口水、走动一下,或者做一些简单的伸展运动,以缓解身体的疲劳感。然后可以重新审视自己的思路,重新整理自己的思路,找到写作的重点和思路,再开始写作。如果还是无法写出来,可以先写下自己的想法和思考,不必拘泥于语言和结构,只要把自己的思路表达出来即可。最后,可以请教老师或者同学,听取他们的意见和建议,以便更好地完善自己的作文。
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