串口发送接收程序模块.doc

串口发送接收程序模块/************************************************************************ ;*??公?司:??xx ;*??模?块:??serial.c ;*??功?能:??串口中断服务程序，仅需做简单调用即可完成串口输入输出的处理; ;*??????????出入均设有缓冲区，大小可任意设置 ;*??芯?片:??AMEGA16 ;*??说?明:??未利用串口发送硬件BUFF ;*??设?计:??李耀峰 ;*??时?间:??2005-11-24 ;*??版?本: V1.0 ;*??记?录:?? ;************************************************************************/ /************************************************************************ 可供使用的函数名: extern?void?PutByte(byte?c); ????????//放入一个字节到发送缓冲区 extern?void?PutString(byte??*puts);????????????//发送一个定义在程序存储区的字符串到串口 extern?void?PutBytes(byte?*outplace,byte?j);???//发送一串数据 extern?void?PutHEX(byte?c);????????????????????//发送一个字节的hex码，分成两个字节发 extern?byte?GetByte?(void);????????????????????//从接收缓冲区取一个byte extern?void?SerialInit?(word?baud);????????????//串口初始化 extern?byte?inbufsign; ???? ???//接收缓冲区数据,有数据=1。 #define?CR?PutString(\r ) ???//发送一个回车换行 #define?NUL?putstring(\0) ???? ???//发送一个空格 *************************************************************************/ #include?iom16V.h? #include?macros.h? #define?byte?unsigned?char #define?word?unsigned?int #define?????OLEN?20?????????????//串口发送缓冲大小 #define?????ILEN?20?????????????//串口接收缓冲大小 byte????outbuf[OLEN];???????????//发送缓冲 byte????inbuf[ILEN];????????????//接收数据缓冲 byte????*outlast=outbuf;????????//最后由中断传输出去的字节位置 byte????*putlast=outbuf;????????//最后放入发送缓冲区的字节位置 byte????*inlast=inbuf;??????????//最后接收到接收缓冲区的字节位置 byte????*getlast=inbuf;?????????//最后从发送缓冲区取走的字节位置 struct?data?????????????????????//位定义 { ????unsigned?bit0:1; ????unsigned?bit1:1; ????unsigned?bit2:1; ????unsigned?bit3:1; ????unsigned?bit4:1; ????unsigned?bit5:1; ????unsigned?bit6:1; ????unsigned?bit7:1; }bit_flag; #define?outbufsign0?bit_flag.bit0???//缓冲区数据发完标志???发完＝0 #define?outbufsign?bit_flag.bit1????//发送缓冲区非空标志???有=1 #define?inbufful?bit_flag.bit2??????//接收缓冲区满标志?????满=1 //#define?inbufsign?bit_flag.bit3 //接收缓冲区非空标志???有=1 //byte?outbufsign0;???? //缓冲区数据