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RS485 的代码
_rs485.c
/* this is the rs485.c module, all the serial prot communication is entered here. */
/* specification */
/* the system include the following module: */
/* _main.c
_edit.c
_io.c
_
max490.c
/*******************************************************
RS485通信实验
网址:http://www.kaifaban.com
功能:通过MAX490发送数据0x11,再用MAX490接收回来并在P0口显示
注:A连接Y,B连接Z,J12连接左边两端
ther_sample.uv2
### uVision2 Project, (C) Keil Software
### Do not modify !
Target (Target 1), 0x0000 // Tools: 'MCS-51'
Group (Source Group 1)
Group (source)
Group (headers)
File 2,1,
rs485.h
void SendVar(unsigned char value); //发送一个变量子程序
unsigned char Hex2Ascii(unsigned char value);//将十六进制数变为ASCII码
void SendChar(unsigned char value); //发送一个字符子程序
void SendADC0(unsigned char TEM[]);
ther_sample_uv2.bak
### uVision2 Project, (C) Keil Software
### Do not modify !
Target (Target 1), 0x0000 // Tools: 'MCS-51'
Group (Source Group 1)
Group (source)
Group (headers)
File 2,1,
ther_sample.lnp
".\output\RS485.obj",
".\output\DATA_TAB.obj",
".\output\main.obj",
".\output\1602_display.obj"
TO ".\output\THER_sample"
PRINT(".\list\THER_sample.m51") RAMSIZE(256)
test spi.plg
礦ision3 Build Log
Project:
G:\BYSJ CODE\TEST RS485\TEST SPI.uv2
Project File Date: 05/22/2008
Output:
rs485.h
#include
#include "intrins.h"
//--------------------------------------------FM25040的地址分配
/*---------------------回收的参数-----------------------*/
#define Input_bill 100 // 1