汽车空调控制器.zip
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我是根据AVR修改的，用at89C051代替原来的芯片，测温器改为ds18b20，lcd改为lm016l，显示两行一行为设定温度，一行为mode就可以了，键盘重新划分为（cool，hot，blast，chuwu，+，-,换风，风向）。控制电路上多加了加热器电机，启动按键hot加热电机运行，启动除雾按键加热器和风机压缩机等一起运行。其他的和参考原文一样，请大神帮忙修改给意见，真的无从下手。下面编码是参考的编码。
电路原理图如下：
#include <reg51.h>
#include <stdlib.h>
bit boolean;
#define uint unsigned int
#define uchar unsigned char
#define ulong unsigned long
uchar ventilator_state;
uchar fan;
uchar blow;
uchar run_mode;
uchar temp;
uchar setting_value;
interrupt [TIM2_COMP] void timer2_comp_isr(void)
{
//产生PWM,控制步进电机
if (fan==1)
{
OCR2=64;
}
else if(fan==2)
{
OCR2=128;
}
}
#define FIRST_ADC_INPUT 0 //第一通道
#define LAST_ADC_INPUT 1 //最后一通道 ，最大值为7,共8个通道
unsigned int adc_data[LAST_ADC_INPUT-FIRST_ADC_INPUT+1];
#define ADC_VREF_TYPE 0x40
// ADC中断服务程序
// 自动扫描模拟量输入端口，
interrupt [ADC_INT] void adc_isr(void)
{
register static unsigned char input_index=0;
// 读取转换结果
adc_data[input_index]=ADCW;
// 选择转换通道
if (++input_index > (LAST_ADC_INPUT-FIRST_ADC_INPUT))
input_index=0;
ADMUX=(FIRST_ADC_INPUT|ADC_VREF_TYPE)+input_index;
//启动AD转换
ADCSRA|=0x40;
}
void main(void)
{
float current_temp;//保存当前温度
// Port A 初始化
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTA=0x00;
DDRA=0x00;
// Port B 初始化
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTB=0x00;
DDRB=0x00;
// Port C 初始化
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTC=0x38;
DDRC=0x38;
// Port D 初始化
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTD=0x1f;
DDRD=0xF8;
//用T2产生PWM,控制风向步进电机
// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer 2 Stopped
// Mode: Normal top=FFh
// OC2 output: Disconnected
ASSR=0x00;
TCCR2=0x64;
TCNT2=0x00;
OCR2=0x00;
// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x80;
// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
SFIOR=0x00;
// ADC initialization
// ADC Clock frequency: 125.000 kHz
// ADC Voltage Reference: AVCC pin
// ADC Auto Trigger Source: Free Running
ADMUX=FIRST_ADC_INPUT|ADC_VREF_TYPE;
ADCSRA=0xEE;
SFIOR&=0x1F;
// LCD module初始化
lcd_init(16);
// 开启全局中断
dis_character(); //在LCD上显示字符
setting_value=25; //默认设定温度为25
run_mode=0; //默认关闭
ventilator_state=0;
lcd_gotoxy(12,3);
lcd_putsf("OFF");
while (1)
{
scan_key();
blow_mode();
display();
if(run_mode==2)
{
current_temp=Pt1000Tab[adc_data[0]];
if (current_temp<setting_value)
{
stop_compressor();
//lcd_gotoxy(10,1);
//lcd_putsf("Blast");
}
else
{
start_compressor();
//lcd_gotoxy(10,1);
//lcd_putsf("Cool");
}
else
{
start_compressor();
//lcd_gotoxy(10,1);
//lcd_putsf("Hot");
}
}
}
}
void start_compressor(void){
//Start
PORTD|=0x18;
PORTD&=~0x10;
PORTD|=0x18;
}
void stop_compressor(void){
//Stop
PORTD|=0x18;
PORTD&=~0x08;
PORTD|=0x18;
}
void start_ventilator(void) {
PORTD|=0x40;//换气风机运行
}
void stop_ventilator(void){
PORTD&=~0x40;//换气风机停止
}
void start_evaporator_fan(void){
PORTD|=0x20;//蒸发器风机运行
}
void stop_evaporator_fan(void){
PORTD&=~0x20;//蒸发器风机停止
}
void start_calorifer_fan(void){
PORTD|=0x1C;//加热器运行
}
void stop_calorifer_fan(void){
PORTD&=~0x1C;//加热器风机停止
}
/*-----------------------------------------------键盘扫描-------------------------------------------
-----------------------------------------------键盘扫描-------------------------------------------*/
void scan_key(void){
/*
K11 K12 K13
K21 K22 K23
K31 K32 K33
*/
//K13 K23 K33
PORTC&=~0x20;
if((PIND&0x09)!=0x09)
{
delay();
if((PIND&0x09)!=0x09)
{
if((PIND&0x09)==0x08)
{ //Key 3-3
//uchar key_num[]="K33";
while((PIND&0x09)==0x08);
switch(blow)
{
case 0:
{
blow=1;
lcd_gotoxy(10,2);
lcd_putsf("Mode0");
break;
}
case 1:
{
blow=2;
lcd_gotoxy(10,2);
lcd_putsf("Mode1");
break;
}
case 2:
{
blow=3;
lcd_gotoxy(10,2);
lcd_putsf("Mode2");
break;
}
case 3:
{
blow=0;
lcd_gotoxy(10,2);
lcd_putsf("Mode3");
break;
}
}
return;
}
if((PIND&0x09)==0x07)
{ //Key 2-3
//uchar key_num[]="K23";
while((PIND&0x09)==0x07);
if(ventilator_state==1)
{
ventilator_state=0;
stop_ventilator();
lcd_gotoxy(12,3);
lcd_putsf("OFF");
}
else
{
ventilator_state=1;
start_ventilator();
lcd_gotoxy(12,3);
lcd_putsf("Run");
}
return;
}
if((PIND&0x09)==0x05)
{ //Key 1-3
//uchar key_num[]="K13";
while((PIND&0x09)==0x05);
switch(run_mode)
{
case 2:
{ //关闭模式
stop_evaporator_fan();
stop_compressor();
lcd_gotoxy(10,1);
lcd_putsf("OFF ");
run_mode=0;
break;
}
case 0:
{
//送风模式
start_evaporator_fan();
stop_compressor();
lcd_gotoxy(10,1);
lcd_putsf("Blast");
run_mode=1;
break;
}
case 1:
{
//制冷模式
start_evaporator_fan();
start_compressor();
lcd_gotoxy(10,1);
lcd_putsf("Cool ");
run_mode=2;
break;
}
}
return;
}
}
}
PORTC|=0x20;
//K12 K22 K32
PORTC&=~0x10;
if((PIND&0x09)!=0x09)
{
if((PIND&0x09)==0x08)
{ //Key 3-2
//uchar key_num[]="K32";
while((PIND&0x09)==0x08);
return;
}
if((PIND&0x09)==0x07)
{ //Key 2-2
//uchar key_num[]="K22";
while((PIND&0x09)==0x07);
if (setting_value<=18)
{
setting_value=18;
}
else
{
setting_value--;
}
return;
}
if((PIND&0x09)==0x05)
{ //Key 1-2
//uchar key_num[]="K12";
while((PIND&0x09)==0x03);
if (setting_value>=28)
{
setting_value=28;
}
else
{
setting_value++;
}
return;
}
}
PORTC|=0x10;
//K11 K21 K31
PORTC&=~0x08;
if((PIND&0x07)!=0x07)
{
delay();
if((PIND&0x07)!=0x07)
{
if((PIND&0x07)==0x06)
{ //Key 3-1
//uchar key_num[]="K31";
while((PIND&0x07)==0x06);
return;
}
if((PIND&0x07)==0x05)
{ //Key 2-1
//uchar key_num[]="K21";
while((PIND&0x07)==0x05);
return;
}
if((PIND&0x07)==0x03)
{ //Key 1-1
//uchar key_num[]="K11";
while((PIND&0x07)==0x03);
return;
}
}
}
PORTC|=0x08;
}
void blow_mode(void){
switch(blow)
{
case 0:
{
fan=0;
break;
}
case 1:
{
fan=1;
break;
}
case 2:
{
fan=2;
break;
}
case 3:
{
temp++;
if(temp==5)
{
boolean=~boolean;
}
if (boolean==1)
{
fan=1;
}
else
{
fan=2;
}
break;
}
}
}
void delay(void){
uint i,j;
for (i=0;i<10;i++)
{
for (j=0;j<10;j++)
{}
}
}
void dis(uchar channel,uchar x,uchar y){
uchar arr[5];
ftoa(Pt1000Tab[adc_data[channel]],1,arr);
//itoa(adc_data[channel],arr);
lcd_gotoxy(x,y);
lcd_puts(arr);
//lcd_putchar(0);
}
void display(void){
uchar setting[3];
dis(0,2,0);
itoa(setting_value,setting);
lcd_gotoxy(12,0);
lcd_puts(setting);
}
void dis_character(void){
lcd_gotoxy(0,0);
lcd_putsf("T:");
lcd_gotoxy(8,0);
lcd_putsf("Set:");
lcd_gotoxy(0,1);
lcd_putsf("Run Mode:");
lcd_gotoxy(10,1);
lcd_putsf("OFF ");
lcd_gotoxy(0,2);
lcd_putsf("Blow Mode:");
lcd_gotoxy(10,2);
lcd_putsf("Mode0");
lcd_gotoxy(0,3);
lcd_putsf("Ventilator:");
}
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