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温湿度传感模块51单片机串口发送
#include <reg51.h>
#include <intrins.h>
//
typedef unsigned char U8; /* defined for unsigned 8-bits integer variable 无符号8位整型变量 */
typedef signed char S8; /* defined for signed 8-bits integer variable 有符号8位整型变量 */
typedef unsigned int U16; /* defined for unsigned 16-bits integer variable 无符号16位整型变量 */
typedef signed int S16; /* defined for signed 16-bits integer variable 有符号16位整型变量 */
typedef unsigned long U32; /* defined for unsigned 32-bits integer variable 无符号32位整型变量 */
typedef signed long S32; /* defined for signed 32-bits integer variable 有符号32位整型变量 */
typedef float F32; /* single precision floating point variable (32bits) 单精度浮点数（32位长度） */
typedef double F64; /* double precision floating point variable (64bits) 双精度浮点数（64位长度） */
//
#define uchar unsigned char
#define uint unsigned int
#define Data_0_time 4
//--------------- --------------------//
//----------------IO口定义区--------------------//
//-------------- --------------------------//
sbit P2_0 = P3^7 ;//DATA
sbit P2_1 = P2^1 ;
sbit P2_2 = P2^2 ;
sbit P2_3 = P2^3 ;
//--------- ------------------------------------//
//----------------定义区--------------------//
//--------------------- -----------------------//
U8 U8FLAG,k;
U8 U8count,U8temp;
U8 U8T_data_H,U8T_data_L,U8RH_data_H,U8RH_data_L,U8checkdata;
U8 U8T_data_H_temp,U8T_data_L_temp,U8RH_data_H_temp,U8RH_data_L_temp,U8checkdata_temp;
U8 U8comdata;
U8 outdata[5]; //定义发送的字节数
U8 indata[5];
U8 count, count_r=0;
U8 str[5]={"RS232"};
U16 U16temp1,U16temp2;
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