利用两块stc15f2k60s2实现2.4G Zigbee无线串口收发
两个按键控制led
51系列例程请见http://www.51hei.com/bbs/dpj-208422-1.html
发送程序:
- #include <STC15F2K60S2.H>
- #define uint unsigned int
- #define uchar unsigned char
- uchar ch;
- bit read_flag=0;
- sbit key=P1^2;
- sbit key1=P1^3;
- void Delay10ms() //@11.0592MHz
- {
- unsigned char i, j;
- i = 108;
- j = 145;
- do
- {
- while (--j);
- } while (--i);
- }
- void UartInit(void) //9600bps@11.0592MHz
- {
- PCON &= 0x7F; //波特率不倍速
- SCON = 0x50; //8位数据,可变波特率
- AUXR |= 0x40; //定时器1时钟为Fosc,即1T
- AUXR &= 0xFE; //串口1选择定时器1为波特率发生器
- TMOD &= 0x0F; //清除定时器1模式位
- TMOD |= 0x20; //设定定时器1为8位自动重装方式
- TL1 = 0xDC; //设定定时初值
- TH1 = 0xDC; //设定定时器重装值
- ET1 = 0; //禁止定时器1中断
- TR1 = 1; //启动定时器1
- ES=1;
- EA=1;
- }
- void send_char_com(uchar ch)
- {
- SBUF=ch;
- while(!TI);
- TI=0;
- }
- void main()
- {
- UartInit();
- while(1)
- {
- if(key==0)
- {
- Delay10ms();
- if(key==0)
- {
- send_char_com('A');
- }
- }
- else if(key1==0)
- {
- Delay10ms();
- if(key1==0)
- {
- send_char_com('B');
- }
- }
- }
- }
复制代码
以上代码的Keil工程下载:
zigbee.zip
(40.75 KB, 下载次数: 32)
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