模拟串口函数-适用于串口不够用场合
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／／＃ｄｅｆｉｎｅ ＢＡＵＤ ＯｘＦ４００ ／／１２００ｂｐｓ＠１１．０５９２ＭＨｚ（１Ｔ） ＃ｄｅｆｉｎｅ ＢＡＵＤ ０ｘＦＥ９０ ／／９６００ｂｐｓ＠１１．０５９２ＭＨｚ（１Ｔ） ／／＃ｄｅｆｉｎｅ ＢＡＵＤ ＯｘＦＦ００ ／／１２００ｂｐｓ＠１１．０５９２ＭＨｚ（１２Ｔ）
file:///J|/资料/单片机开发/mnck_2_stc12/模拟串口函数-适用于串口不够用场合.txt[2013-09-20 12:41:19]
ｉｆ（ＴＩＮＧ） ／／判别是否有发送标志 ｛ ｉｆ（ｎＴＢＩＴ＝＝０） ／／发送位计数为０发送起始位 ｛ ＴＸｂ＿ＭＮ＝０； ／／发起始位 ＴＤＡＴ＝ＴＳＢＵＦ＿ＭＮ； ／／装载发送数 ｔｏ ＴＤＡＴ ｎＴＢＩＴ＝９； ／／位计数初值为９ ｝ ｅｌｓｅ ／／非起始位 ｛ ＴＤＡＴ＞＞＝１； ／／移出１位 ｔｏ ＣＹ ｉｆ（－－ｎＴＢＩＴ＝＝０） ／／９位发送完否 ｛ ＴＸｂ＿ＭＮ＝１； ／／发停止位 ＴＩＮＧ＝０； ／／ｓｔｏｐ ｓｅｎｄ ＴＩ＿ＭＮ＝１； ／／置字节已发送完标志 ｝ ｅｌｓｅ ／／９位未发完移出位由ＣＹ移到ＴＸｂ引脚 ｛ ＴＸｂ＿ＭＮ＝ＣＹ； ｝ ｝ ｝ ｝ ｝ ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊模拟串口函数结束＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊主函数（需对Ｔ０初始化）＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ｖｏｉｄ ｍａｉｎ（） ｛
file:///J|/资料/单片机开发/mnck_2_stc12/模拟串口函数-适用于串口不够用场合.txt[2013-09-20 12:41:19]
／／＃ｄｅｆｉｎｅ ＢＡＵＤ ＯｘＦＦＣ０ ／／４８００ｂｐｓ＠１１．０５９２ＭＨｚ（１２Ｔ） ／／＃ｄｅｆｉｎｅ ＢＡＵＤ ＯｘＦＦＥ０ ／／９６００ｂｐｓ＠１１．０５９２ＭＨｚ（１２Ｔ）
／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊全局定义＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ＃ｉｎｃｌｕｄｅ ＂ｒｅｇ５１．ｈ＂
／＊定义波特率定时初值＊／ ／＊ＢＡＵＤ＝６５５３６－ＳＹＳｃｌｋ／３／ｂａｕｄｒａｔｅ／Ｍ（１Ｔ：Ｍ＝１，１２Ｔ：Ｍ＝１２）＊／
ｓｂｉｔ ＲＸｂ＿ＭＮ＝Ｐ３＾２； ／／ｄｅｆｉｎｅ ＵＡＲＴ＿ＭＮ ＴＸＤ／ＲＸＤ ｐｉｎ ｓｂｉｔ ＴＸｂ＿ＭＮ＝Ｐ３＾３； ｓｆｒ ＡＵＸＲ＝０ｘ８Ｅ；
＃ｄｅｆｉｎｅ ｕｃｈａｒ ｕｎｓｉｇｎｅｄ ｃｈａｒ ＃ｄｅｆｉｎｅ ｕｉｎｔ ｕｎｓｉｇｎｅｄ ｉｎｔ
ｕｃｈａｒ ＴＳＢＵＦ＿ＭＮ，ＲＳＢＵＦ＿ＭＮ； ／／模拟串口全局变量 ｂｉｔ ＴＩ＿ＭＮ，ＲＩ＿ＭＮ，ＷＴＳＢＵＦ＿ＭＮ； ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊模拟串口函数＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊Ｔｉｍｅｒ ｉｎｔｅｒｒｕｐｔ ｒｏｕｔｌｉｎｅ ｆｏｒ ＵＡＲＴ＿ＭＮ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ｖｏｉｄ ｔｍ０（） ｉｎｔｅｒｒｕｐｔ １ ｕｓｉｎｇ １ ｛ ｓｔａｔｉｃ ｕｃｈａｒ ＲｂａｕｄＣＮＴ，ｎＲＢＩＴ，ＲＤＡＴ； ｓｔａｔｉｃ ｕｃｈａｒ ＴｂａｕｄＣＮＴ，ｎＴＢＩＴ，ＴＤＡＴ； ｓｔａｔｉｃ ｂｉｔ ＲＩＮＧ，ＴＩＮＧ；
file:///J|/资料/单片机开发/mnck_2_stc12/模拟串口函数-适用于串口不够用场合.txt[2013-09-20 12:41:19]
ＴＬ０＝ＢＡＵＤ； ／／重装ＴＯ定时初值（决定波特率的） ＴＨ０＝ＢＡＵＤ＞＞８； ／＊＊＊＊接收处理程序＊＊＊＊／ ｉｆ（ＲＩＮＧ） ／／如果正在逐位接收中 ｛ ｉｆ（－－ＲｂａｕｄＣＮＴ＝＝０） ／／接收波特率计数，波特率周期时间到 ｛ ＲｂａｕｄＣＮＴ＝３； ／／ｒｅｓｅｔ ｓｅｎｄ ｂａｕｄｒａｔｅ ｃｏｕｎｔｅｒ
file:///J|/资料/单片机开发/mnck_2_stc12/模拟串口函数-适用于串口不够用场合.txt[2013-09-20 12:41:19]
ｉｆ（－－ｎＲＢＩＴ＝＝０） ／／收完９位否 ｛ ＲＳＢＵＦ＿ＭＮ＝ＲＤＡＴ； ／／收到的１字节装载到ＲＳＢＵＦ＿ＭＮ中 ＲＩＮＧ＝０； ／／清接正在接收标志 ＲＩ＿ＭＮ＝１； ／／置接收完字节标志 ｝ ｅｌｓｅ ｛ ＲＤＡＴ＞＞＝１； ／／移位接收１位 ｉｆ（ＲＸｂ＿ＭＮ） ＲＤＡＴ｜＝０ｘ８０； ｝ ｝ ｝ ｅｌｓｅ ｉｆ（！ＲＸｂ＿ＭＮ） ／／判别ＲＸＢ＿ＭＮ引脚是否收到起始位 ｛ ＲＩＮＧ＝１； ／／置接收标志 ＲｂａｕｄＣＮＴ＝４； ／／置接收波特率计数器（起始位为４，中间位为３－三倍频） ｎＲＢＩＴ＝９； ／／接收位计数初值为９（１起始加８数据） ｝ ／＊＊＊＊发送处理程序＊＊＊＊／ ｉｆ（ＷＴＳＢＵＦ＿ＭＮ） ／／判别发送缓冲区是否写入要发送的数 ｛ ＷＴＳＢＵＦ＿ＭＮ＝０； ＴＩＮＧ＝１； ｎＴＢＩＴ＝０； ｝ ｉｆ（－－ＴｂａｕｄＣＮＴ＝＝０） ／／发送波特率计数（位周期到） ｛ ＴｂａｕｄＣＮＴ＝３； ／／ｒｅｓｅｔ ｓｅｎｄ ｂａｕｄｒａｔｅ ｃｏｕｎｔｅｒ
／＊＊＊＊＊＊＊＊＊＊＊＊＊ｓｔｃ－１Ｔ单片机模拟串口程序＊＊＊＊＊＊＊＊＊＊＊＊＊／
／＊＊功能：用Ｔ０定时中断模拟波特率周期实现模拟串口功能＊＊／ ／＊＊适于ＳＴＣ１Ｔ系列单片机，波特率默认为９６００晶振１１．０５９２工作于１Ｔ模式 其它波特率或晶振需稍作修改＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊程序接口：＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊ 发送缓冲单元－ ＴＳＢＵＦ＿ＭＮ ：要发送的数 接收缓冲单元－ ＲＳＢＵＦ＿ＭＮ ：收到的数 写发送单元标志－ ＷＴＳＢＵＦ＿ＭＮ ：发送数写入ＴＳＢＵＦ＿ＭＮ后置１ 发送完标志－ ＴＩ＿ＭＮ ：发送完１帧后置１ 收到数标志－ ＲＩ＿ＭＮ ：收到１帧后，则装载ＲＳＢＵＦ＿ＭＮ后置１ ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊使用方法：＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊ ＊＊在主函数中要先对Ｔ０初始化，使能Ｔ０ｘ１２，定时时间为波特率周期的１／３，允许中断； ＊＊Ｔ０的中断服务函数即为模拟串口程序； ＊＊发送时先将发送数送ＴＳＢＵＦ＿ＭＮ，同时置位ＷＴＳＢＵＦ＿ＭＮ标志，模拟串口便自动发送，发完置位ＴＩ＿ＭＮ； ＊＊接收时先查询ＲＩ＿ＭＮ是否为１，然后在ＲＳＢＵＦ＿ＭＮ中读取收到的数 ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ／＊＊＊＊＊＊＊＊＊＊＊作者：ｌｔｉａｏｂａｏ，２０１３．０９＊＊＊＊＊＊＊＊＊＊＊／
file:///J|/资料/单片机开发/mnck_2_stc12/模拟串口函数-适用于串口不够用场合.txt[2013-09-20 12:41:19]
Hale Waihona Puke Baidu
ＴＭＯＤ＝０ｘ０１； ／／ｓｅｔ Ｔ０ ｔｏ ｔｉｍｅｒ ｗｏｒｋｉｎｇ ａｔ １６ｂｉｔ（ｍｏｄｅ１） ＡＵＸＲ＝０ｘ８０； ／／Ｔ０ｘ１２＝１，ｗｏｒｋｉｎｇ ａｔ １Ｔ ｍｏｄｅ ＴＬ０＝ＢＡＵＤ； ／／定时时间１／３波特率周期 ＴＨ０＝ＢＡＵＤ＞＞８； ＴＲ０＝１； ＥＴ０＝１； ＰＴ０＝１； ＥＡ＝１； ｗｈｉｌｅ（１） ｛；｝ ／／加入其它应用程序 ｝
file:///J|/资料/单片机开发/mnck_2_stc12/模拟串口函数-适用于串口不够用场合.txt[2013-09-20 12:41:19]
ｉｆ（ＴＩＮＧ） ／／判别是否有发送标志 ｛ ｉｆ（ｎＴＢＩＴ＝＝０） ／／发送位计数为０发送起始位 ｛ ＴＸｂ＿ＭＮ＝０； ／／发起始位 ＴＤＡＴ＝ＴＳＢＵＦ＿ＭＮ； ／／装载发送数 ｔｏ ＴＤＡＴ ｎＴＢＩＴ＝９； ／／位计数初值为９ ｝ ｅｌｓｅ ／／非起始位 ｛ ＴＤＡＴ＞＞＝１； ／／移出１位 ｔｏ ＣＹ ｉｆ（－－ｎＴＢＩＴ＝＝０） ／／９位发送完否 ｛ ＴＸｂ＿ＭＮ＝１； ／／发停止位 ＴＩＮＧ＝０； ／／ｓｔｏｐ ｓｅｎｄ ＴＩ＿ＭＮ＝１； ／／置字节已发送完标志 ｝ ｅｌｓｅ ／／９位未发完移出位由ＣＹ移到ＴＸｂ引脚 ｛ ＴＸｂ＿ＭＮ＝ＣＹ； ｝ ｝ ｝ ｝ ｝ ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊模拟串口函数结束＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊主函数（需对Ｔ０初始化）＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ｖｏｉｄ ｍａｉｎ（） ｛
file:///J|/资料/单片机开发/mnck_2_stc12/模拟串口函数-适用于串口不够用场合.txt[2013-09-20 12:41:19]
／／＃ｄｅｆｉｎｅ ＢＡＵＤ ＯｘＦＦＣ０ ／／４８００ｂｐｓ＠１１．０５９２ＭＨｚ（１２Ｔ） ／／＃ｄｅｆｉｎｅ ＢＡＵＤ ＯｘＦＦＥ０ ／／９６００ｂｐｓ＠１１．０５９２ＭＨｚ（１２Ｔ）
／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊全局定义＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ＃ｉｎｃｌｕｄｅ ＂ｒｅｇ５１．ｈ＂
／＊定义波特率定时初值＊／ ／＊ＢＡＵＤ＝６５５３６－ＳＹＳｃｌｋ／３／ｂａｕｄｒａｔｅ／Ｍ（１Ｔ：Ｍ＝１，１２Ｔ：Ｍ＝１２）＊／
ｓｂｉｔ ＲＸｂ＿ＭＮ＝Ｐ３＾２； ／／ｄｅｆｉｎｅ ＵＡＲＴ＿ＭＮ ＴＸＤ／ＲＸＤ ｐｉｎ ｓｂｉｔ ＴＸｂ＿ＭＮ＝Ｐ３＾３； ｓｆｒ ＡＵＸＲ＝０ｘ８Ｅ；
＃ｄｅｆｉｎｅ ｕｃｈａｒ ｕｎｓｉｇｎｅｄ ｃｈａｒ ＃ｄｅｆｉｎｅ ｕｉｎｔ ｕｎｓｉｇｎｅｄ ｉｎｔ
ｕｃｈａｒ ＴＳＢＵＦ＿ＭＮ，ＲＳＢＵＦ＿ＭＮ； ／／模拟串口全局变量 ｂｉｔ ＴＩ＿ＭＮ，ＲＩ＿ＭＮ，ＷＴＳＢＵＦ＿ＭＮ； ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊模拟串口函数＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊Ｔｉｍｅｒ ｉｎｔｅｒｒｕｐｔ ｒｏｕｔｌｉｎｅ ｆｏｒ ＵＡＲＴ＿ＭＮ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ｖｏｉｄ ｔｍ０（） ｉｎｔｅｒｒｕｐｔ １ ｕｓｉｎｇ １ ｛ ｓｔａｔｉｃ ｕｃｈａｒ ＲｂａｕｄＣＮＴ，ｎＲＢＩＴ，ＲＤＡＴ； ｓｔａｔｉｃ ｕｃｈａｒ ＴｂａｕｄＣＮＴ，ｎＴＢＩＴ，ＴＤＡＴ； ｓｔａｔｉｃ ｂｉｔ ＲＩＮＧ，ＴＩＮＧ；
file:///J|/资料/单片机开发/mnck_2_stc12/模拟串口函数-适用于串口不够用场合.txt[2013-09-20 12:41:19]
ＴＬ０＝ＢＡＵＤ； ／／重装ＴＯ定时初值（决定波特率的） ＴＨ０＝ＢＡＵＤ＞＞８； ／＊＊＊＊接收处理程序＊＊＊＊／ ｉｆ（ＲＩＮＧ） ／／如果正在逐位接收中 ｛ ｉｆ（－－ＲｂａｕｄＣＮＴ＝＝０） ／／接收波特率计数，波特率周期时间到 ｛ ＲｂａｕｄＣＮＴ＝３； ／／ｒｅｓｅｔ ｓｅｎｄ ｂａｕｄｒａｔｅ ｃｏｕｎｔｅｒ
file:///J|/资料/单片机开发/mnck_2_stc12/模拟串口函数-适用于串口不够用场合.txt[2013-09-20 12:41:19]
ｉｆ（－－ｎＲＢＩＴ＝＝０） ／／收完９位否 ｛ ＲＳＢＵＦ＿ＭＮ＝ＲＤＡＴ； ／／收到的１字节装载到ＲＳＢＵＦ＿ＭＮ中 ＲＩＮＧ＝０； ／／清接正在接收标志 ＲＩ＿ＭＮ＝１； ／／置接收完字节标志 ｝ ｅｌｓｅ ｛ ＲＤＡＴ＞＞＝１； ／／移位接收１位 ｉｆ（ＲＸｂ＿ＭＮ） ＲＤＡＴ｜＝０ｘ８０； ｝ ｝ ｝ ｅｌｓｅ ｉｆ（！ＲＸｂ＿ＭＮ） ／／判别ＲＸＢ＿ＭＮ引脚是否收到起始位 ｛ ＲＩＮＧ＝１； ／／置接收标志 ＲｂａｕｄＣＮＴ＝４； ／／置接收波特率计数器（起始位为４，中间位为３－三倍频） ｎＲＢＩＴ＝９； ／／接收位计数初值为９（１起始加８数据） ｝ ／＊＊＊＊发送处理程序＊＊＊＊／ ｉｆ（ＷＴＳＢＵＦ＿ＭＮ） ／／判别发送缓冲区是否写入要发送的数 ｛ ＷＴＳＢＵＦ＿ＭＮ＝０； ＴＩＮＧ＝１； ｎＴＢＩＴ＝０； ｝ ｉｆ（－－ＴｂａｕｄＣＮＴ＝＝０） ／／发送波特率计数（位周期到） ｛ ＴｂａｕｄＣＮＴ＝３； ／／ｒｅｓｅｔ ｓｅｎｄ ｂａｕｄｒａｔｅ ｃｏｕｎｔｅｒ
／＊＊＊＊＊＊＊＊＊＊＊＊＊ｓｔｃ－１Ｔ单片机模拟串口程序＊＊＊＊＊＊＊＊＊＊＊＊＊／
／＊＊功能：用Ｔ０定时中断模拟波特率周期实现模拟串口功能＊＊／ ／＊＊适于ＳＴＣ１Ｔ系列单片机，波特率默认为９６００晶振１１．０５９２工作于１Ｔ模式 其它波特率或晶振需稍作修改＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊程序接口：＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊ 发送缓冲单元－ ＴＳＢＵＦ＿ＭＮ ：要发送的数 接收缓冲单元－ ＲＳＢＵＦ＿ＭＮ ：收到的数 写发送单元标志－ ＷＴＳＢＵＦ＿ＭＮ ：发送数写入ＴＳＢＵＦ＿ＭＮ后置１ 发送完标志－ ＴＩ＿ＭＮ ：发送完１帧后置１ 收到数标志－ ＲＩ＿ＭＮ ：收到１帧后，则装载ＲＳＢＵＦ＿ＭＮ后置１ ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊使用方法：＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊ ＊＊在主函数中要先对Ｔ０初始化，使能Ｔ０ｘ１２，定时时间为波特率周期的１／３，允许中断； ＊＊Ｔ０的中断服务函数即为模拟串口程序； ＊＊发送时先将发送数送ＴＳＢＵＦ＿ＭＮ，同时置位ＷＴＳＢＵＦ＿ＭＮ标志，模拟串口便自动发送，发完置位ＴＩ＿ＭＮ； ＊＊接收时先查询ＲＩ＿ＭＮ是否为１，然后在ＲＳＢＵＦ＿ＭＮ中读取收到的数 ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ／＊＊＊＊＊＊＊＊＊＊＊作者：ｌｔｉａｏｂａｏ，２０１３．０９＊＊＊＊＊＊＊＊＊＊＊／
file:///J|/资料/单片机开发/mnck_2_stc12/模拟串口函数-适用于串口不够用场合.txt[2013-09-20 12:41:19]
Hale Waihona Puke Baidu
ＴＭＯＤ＝０ｘ０１； ／／ｓｅｔ Ｔ０ ｔｏ ｔｉｍｅｒ ｗｏｒｋｉｎｇ ａｔ １６ｂｉｔ（ｍｏｄｅ１） ＡＵＸＲ＝０ｘ８０； ／／Ｔ０ｘ１２＝１，ｗｏｒｋｉｎｇ ａｔ １Ｔ ｍｏｄｅ ＴＬ０＝ＢＡＵＤ； ／／定时时间１／３波特率周期 ＴＨ０＝ＢＡＵＤ＞＞８； ＴＲ０＝１； ＥＴ０＝１； ＰＴ０＝１； ＥＡ＝１； ｗｈｉｌｅ（１） ｛；｝ ／／加入其它应用程序 ｝