代码是简单的,板子是坏的,电阻是识别不出来的
main.c
#include <REGX52.H>
#include "delay.h"
#include "LCD1602.h"
#include "XPT2046.h"unsigned int ADValue;void main(void)
{LCD_Init();LCD_ShowString(1,1,"ADJ NTC GR");while(1){ADValue=XPT2046_ReadAD(XPT2046_XP); //读取AIN0,可调电阻LCD_ShowNum(2,1,ADValue,3); //显示AIN0ADValue=XPT2046_ReadAD(XPT2046_YP); //读取AIN1,热敏电阻LCD_ShowNum(2,6,ADValue,3); //显示AIN1ADValue=XPT2046_ReadAD(XPT2046_VBAT); //读取AIN2,光敏电阻LCD_ShowNum(2,11,ADValue,3); //显示AIN2Delay(100);}
}
delay.c
void Delay(unsigned int xms) //@12.000MHz
{while(xms){unsigned char i, j;i = 2;j = 239;do{while (--j);} while (--i);xms--;
}
}
LCD1602.c
#include <REGX52.H>//引脚定义
sbit LCD_RS=P2^6;
sbit LCD_RW=P2^5;
sbit LCD_E=P2^7;
#define LCD_DataPort P0/*** @brief LCD1602延时函数,12MHz调用可延时1ms* @param 无* @retval 无*/
void LCD_Delay() //@12.000MHz 1ms
{unsigned char i, j;i = 2;j = 239;do{while (--j);} while (--i);
}/*** @brief LCD1602写命令* @param Command 要写入的命令* @retval 无*/
void LCD_WriteCommand(unsigned char Command)
{LCD_RS=0;LCD_RW=0;LCD_DataPort=Command;LCD_E=1;LCD_Delay();LCD_E=0;LCD_Delay();
}/*** @brief LCD1602写数据* @param Data 要写入的数据* @retval 无*/
void LCD_WriteData(unsigned char Data)
{LCD_RS=1;LCD_RW=0;LCD_DataPort=Data;LCD_E=1;LCD_Delay();LCD_E=0;LCD_Delay();
}/*** @brief LCD1602初始化函数* @param 无* @retval 无*/
void LCD_Init(void)
{LCD_WriteCommand(0x38);LCD_WriteCommand(0x0C);LCD_WriteCommand(0x06);LCD_WriteCommand(0x01);
}/*** @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* @retval 无*/
void LCD_SetCursor(unsigned char Line,unsigned char Column)
{if(Line==1){LCD_WriteCommand(0x80|(Column-1));}else{LCD_WriteCommand(0x80|(Column-1)+0x40);}
}/*** @brief 在LCD1602指定位置上显示一个字符* @param Line 行位置,范围:1~2* @param Column 列位置,范围:1~16* @param Char 要显示的字符* @retval 无*/
void LCD_ShowChar(unsigned char Line,unsigned char Column,unsigned char Char)
{LCD_SetCursor(Line,Column);LCD_WriteData(Char);
}/*** @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,unsigned char *String)
{//字符是建立的数字到字符的映射//字符数组是存储字符变量的一个数组//char //想到c语言中的一个重要的问题 就是何为字符串//和何为字符数组 字符串是以\0收尾的//就是不停的判断我输入的最后一个是否是\0如果是就停止//遍历寻找法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('0'+Number/LCD_Pow(10,i-1)%10);}
}/*** @brief 在LCD1602指定位置开始以有符号十进制显示所给数字* @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:-32768~32767* @param Length 要显示数字的长度,范围:1~5* @retval 无*/
void LCD_ShowSignedNum(unsigned char Line,unsigned char Column,int Number,unsigned char Length)
{unsigned char i;unsigned int Number1;LCD_SetCursor(Line,Column);if(Number>=0){LCD_WriteData('+');Number1=Number;}else{LCD_WriteData('-');Number1=-Number;}for(i=Length;i>0;i--){LCD_WriteData('0'+Number1/LCD_Pow(10,i-1)%10);}
}/*** @brief 在LCD1602指定位置开始以十六进制显示所给数字* @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:0~0xFFFF* @param Length 要显示数字的长度,范围:1~4* @retval 无*/
void LCD_ShowHexNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length)
{unsigned char i;unsigned char SingleNumber;LCD_SetCursor(Line,Column);for(i=Length;i>0;i--){SingleNumber=Number/LCD_Pow(16,i-1)%16;if(SingleNumber<10){LCD_WriteData('0'+SingleNumber);}else{LCD_WriteData('A'+SingleNumber-10);}}
}/*** @brief 在LCD1602指定位置开始以二进制显示所给数字* @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:0~1111 1111 1111 1111* @param Length 要显示数字的长度,范围:1~16* @retval 无*/
void LCD_ShowBinNum(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('0'+Number/LCD_Pow(2,i-1)%2);}
}
delay.h
#ifndef _DELAY_H__
#define _DELAY_H__
void Delay(unsigned int xms);#endif
LCD1602.h
#ifndef __LCD1602_H_
#define __LCD1602_H_void LCD_Init(void);
void LCD_ShowChar(unsigned char Line,unsigned char Column,unsigned char Char);
void LCD_ShowString(unsigned char Line,unsigned char Column,unsigned char *String);
void LCD_ShowNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length);
void LCD_ShowSignedNum(unsigned char Line,unsigned char Column,int Number,unsigned char Length);
void LCD_ShowHexNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length);
void LCD_ShowBinNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length);#endif
XPT2046.c
#include <REGX52.H>
#include <INTRINS.H>//引脚定义
sbit XPY2046_DIN=P3^4;
sbit XPY2046_CS=P3^5;
sbit XPY2046_DCLK=P3^6;
sbit XPY2046_DOUT=P3^7;/*** @brief ZPT2046读取AD值* @param Command 命令字,范围:头文件内定义的宏,结尾的数字表示转换的位数* @retval AD转换后的数字量,范围:8位为0~255,12位为0~4095*/
unsigned int XPT2046_ReadAD(unsigned char Command)
{unsigned char i;unsigned int Data=0;XPY2046_DCLK=0;XPY2046_CS=0;for(i=0;i<8;i++){XPY2046_DIN=Command&(0x80>>i);XPY2046_DCLK=1;XPY2046_DCLK=0;}for(i=0;i<16;i++){XPY2046_DCLK=1;XPY2046_DCLK=0;if(XPY2046_DOUT){Data|=(0x8000>>i);}}XPY2046_CS=1;return Data>>8;
}
XPT2046.h
#ifndef __XPT2046_H__
#define __XPT2046_H__#define XPT2046_VBAT 0xAC
#define XPT2046_AUX 0xEC
#define XPT2046_XP 0x9C //0xBC
#define XPT2046_YP 0xDCunsigned int XPT2046_ReadAD(unsigned char Command);#endif