两个单片机之间串口通信4页.doc

/*温度数据采集主机程序*/#include#include#include#define uint unsigned int#define uchar unsigned charsbit wds=P22;/温度传感器ds18b20uchar flag,i;uchar code table3;uint temp;/uint不用uchar，uchar范围不够大float f_temp;void initb20();/ds18b20初始化bit tempreadbit(void);uchar tempread(void);void tempwritebyte(uchar dat);void tempchange(void);bit tempreadbit(void);void tempwritebyte(uchar dat);void delayms(uint z)uint x,y;for(x=z;x0;x-)