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瞎寫了一下
#include<reg52.h>
#include<string.h>
sfr AUXR = 0x8E;
sfr T2H = 0xD6;
sfr T2L = 0xD7;
#define uchar unsigned char
#define uint unsigned int
#define uint32 unsigned long
sbit power1=P1^2;//繼電器端口依次類推
sbit power2=P1^3;
sbit power3=P1^4;
sbit power4=P1^5;
sbit power5=P1^6;
sbit power6=P1^7;
uchar temp;
bit flag;
void UART_Send_Byte(uchar mydata)//發(fā)送一個(gè)字節(jié)
{
SBUF=mydata;
while(!TI);
TI=0;
}
void UART_Send_Str(uchar *s)//發(fā)送字符串
{
while (*s)
{
UART_Send_Byte(*s++);
}
}
void UartInit(void) //9600bps@11.0592MHz
{
SCON = 0x50; //8位數(shù)據(jù),可變波特率
AUXR |= 0x01; //串口1選擇定時(shí)器2為波特率發(fā)生器
AUXR |= 0x04; //定時(shí)器2時(shí)鐘為Fosc,即1T
T2L = 0xE0; //設(shè)定定時(shí)初值
T2H = 0xFE; //設(shè)定定時(shí)初值
AUXR |= 0x10; //啟動(dòng)定時(shí)器2
EA = 1;
ES = 1;
}
void main(void)
{
uint32 Power1_Count = 0;
UartInit();
UART_Send_Str("AT+VERSION");//發(fā)送AT指令，測試模塊是否正常
while(1)
{
if(flag)
{
flag=0;
if(temp=='2')
{
temp=0x00;
Power1_Count = 1;
power1=0; //如果接收到的數(shù)據(jù)是0x02小燈亮
}
if(Power1_Count)
{
Power1_Count++;
}
if(Power1_Count>100000)//延時(shí)一段時(shí)間關(guān)閉。為了提高程序響應(yīng)其他控制組，沒有使用軟件DELAY延時(shí)，用了循環(huán)計(jì)數(shù)，這個(gè)時(shí)間毛估估，如果要準(zhǔn)確就要開定時(shí)器了。
{
Power1_Count = 0;
power1=1;//否則如果接收到是0x01,則熄滅
}
//加入其他控制組
}
}
}
void serial_IT(void) interrupt 4
{
RI=0;
temp = SBUF;//串口接收到的數(shù)據(jù)給temp
UART_Send_Byte(temp);//單片機(jī)接收到數(shù)據(jù)后發(fā)給電腦串口助手
flag=1;
} |
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