硬件电路模型
模数转换代码
main.c
#include <REGX52.H>
#include "LCD1602.h"
#include "Delay.h"
#include "XPT2046.h"
unsigned int ADValue;
int main(){
LCD_Init();
LCD_ShowString(1,1,"ADJ NTC RG");
while(1){
ADValue = XPT2046_ReadAD(XPT2046_XP_8);
LCD_ShowNum(2,1,ADValue,3);
ADValue = XPT2046_ReadAD(XPT2046_YP_8);
LCD_ShowNum(2,5,ADValue,3);
ADValue = XPT2046_ReadAD(XPT2046_VBAT_8);
LCD_ShowNum(2,9,ADValue,3);
Delay(10);
}
}
延时函数c语言文件
延时函数头文件
LCD1602C语言文件
#include <REGX52.H>
#include <stdlib.h>
#include <stdio.h>
//引脚配置:
sbit LCD_RS=P3^5;
sbit LCD_RW=P3^6;
sbit LCD_EN=P3^4;
#define LCD_DataPort P0
//函数定义:
/**
* @brief LCD1602延时函数,12MHz调用可延时1ms
* @param 无
* @retval 无
*/
void LCD_Delay()
{
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_EN=1;
LCD_Delay();
LCD_EN=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_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
* @retval 无
*/
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
* @param 无
* @retval 无
*/
void LCD_Init()
{
LCD_WriteCommand(0x38);//八位数据接口,两行显示,5*7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,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,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');
}
}
/**
* @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(Number1/LCD_Pow(10,i-1)%10+'0');
}
}
/**
* @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,SingleNumber;
LCD_SetCursor(Line,Column);
for(i=Length;i>0;i--)
{
SingleNumber=Number/LCD_Pow(16,i-1)%16;
if(SingleNumber<10)
{
LCD_WriteData(SingleNumber+'0');
}
else
{
LCD_WriteData(SingleNumber-10+'A');
}
}
}
/**
* @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(Number/LCD_Pow(2,i-1)%2+'0');
}
}
LCD1602头文件
* #ifndef __LCD1602_H__
#define __LCD1602_H__
//用户调用函数:
void LCD_Init();
void LCD_ShowChar(unsigned char Line,unsigned char Column,char Char);
void LCD_ShowString(unsigned char Line,unsigned char Column,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
XPT2406c语言文件
#include <REGX52.H>
sbit XPT2046_CS = P3^7;
sbit XPT2046_DCLK = P2^1;
sbit XPT2046_DIN = P2^2;
sbit XPT2046_DOUT = P2^5;
unsigned int XPT2046_ReadAD(unsigned char Command){
unsigned char i;
unsigned int ADValue;
XPT2046_DCLK = 0;
XPT2046_CS = 0;
for(i = 0; i<8; i++){
XPT2046_DIN = Command&(0x80>>i);
XPT2046_DCLK = 1;
XPT2046_DCLK = 0;
}
for(i = 0; i<16;i++){
XPT2046_DCLK = 1;
XPT2046_DCLK = 0;
if(XPT2046_DOUT){
ADValue|=(0x8000>>i);
}
}
XPT2046_CS = 1;
if(Command&0x08){
return ADValue>>8;
}else{
return ADValue>>4;
}
}
XPT2406头文件
#ifndef _XPT2046__H__
#define _XPT2046__H__
#define XPT2046_XP_8 0x9C
#define XPT2046_YP_8 0xDC
#define XPT2046_YP_8 0xDC
#define XPT2046_VBAT_8 0xAC
#define XPT2046_VUX_8 0xEC
#define XPT2046_XP_12 0x94
#define XPT2046_YP_12 0xD4
#define XPT2046_YP_12 0xD4
#define XPT2046_VBAT_12 0xA4
#define XPT2046_VUX_12 0xE4
unsigned int XPT2046_ReadAD(unsigned char Command);
#endif