如下程序是個藍牙開關程序,共有六路,我想把前四路輸出由鎖定狀態改成點動狀態,就是手機那邊改成觸摸一下執行一下,觸摸不離開就一直執行,松手后輸出停止,請問高手們需要怎么改,謝謝!
單片機源程序如下:
#include<reg52.h>
#include<string.h>
sfr AUXR = 0x8E;
sfr T2H = 0xD6;
sfr T2L = 0xD7;
#define uchar unsigned char
#define uint unsigned int
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)//發送一個字節
{
SBUF=mydata;
while(!TI);
TI=0;
}
void UART_Send_Str(uchar *s)//發送字符串
{
while (*s)
{
UART_Send_Byte(*s++);
}
}
void UartInit(void) //9600bps@11.0592MHz
{
SCON = 0x50; //8位數據,可變波特率
AUXR |= 0x01; //串口1選擇定時器2為波特率發生器
AUXR |= 0x04; //定時器2時鐘為Fosc,即1T
T2L = 0xE0; //設定定時初值
T2H = 0xFE; //設定定時初值
AUXR |= 0x10; //啟動定時器2
EA = 1;
ES = 1;
}
void main(void)
{
UartInit();
UART_Send_Str("AT+VERSION");//發送AT指令,測試模塊是否正常
while(1)
{
if(flag)
{
flag=0;
if(temp=='2') power1=0; //如果接收到的數據是0x02小燈亮
else if(temp=='1') power1=1;//否則如果接收到是0x01,則熄滅
if(temp=='8') power2=0; //
else if(temp=='4') power2=1;//
if(temp=='7') power3=0; //
else if(temp=='9') power3=1;//
if(temp=='b') power4=0; //
else if(temp=='a') power4=1;//
if(temp=='d') power5=0; //
else if(temp=='c') power5=1;//
if(temp=='e') power6=0; //
else if(temp=='f') power6=1;//
}
}
}
void serial_IT(void) interrupt 4
{
RI=0;
temp = SBUF;//串口接收到的數據給temp
UART_Send_Byte(temp);//單片機接收到數據后發給電腦串口助手
flag=1;
}
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