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RS485 的代码
rs485.asm
;祘Α癬﹍砞﹚琿--------------------------------
ORG 00H
START: MOV SP,#60H ;砞﹚帮舼跋
MOV SCON,#50H ;UART
rs485.hex
:10000000758160759850758920758DFDD28EC29965
:10001000D2B7C2B7D2B720B3FDE590D2B4C2B5F51E
:10002000993099FD120029010E7CC87DFADDFEDCB5
:02003000FA22B2
:00000001FF
main.c
/***********************************************
程序功能：通过RS485端口不停地发送数据0xaa
------------------------------------------------
测试说明：用示波器观察RS485端口A、B信号线上的波形
或者用RS485接收器接收发送的字符。
************
main.c
/*************************************************
程序功能：通过RS485端口接收字符并在1602液晶上显示
--------------------------------------------------
测试方法：用另一个RS485发射器，通过RS485总线向学习板
发送数据（必须是可显示字符对应的ASCII码
rs485.plg
礦ision3 Build Log
Project:
F:\11111111\实验例程keil\chapter4\v\4.5_24C02Program\24C02Program.uv2
Project File Date: 05/15/2007
Output:
rs485.plg
礦ision3 Build Log
Project:
F:\11111111\实验例程keil\chapter4\v\4.4_I2C\I2c_24c02\I2c_24c02.uv2
Project File Date: 05/15/2007
Output:
rs485.lnp
".\obj\main.o" ".\obj\startup.o" "C:\Keil\ARM\RV31\LIB\Luminary\DriverLib.lib" ".\obj\uart1.o" --device DLM --ro-base 0x00000000 --entry Reset_Handler --rw-base 0x20000000 --first __Vectors --strict -
rs485.map
ARM Linker, RVCT3.1 [Build 903] for uVision [Evaluation]
================================================================================
Section Cross References
main.o(.text) refers to
rs485.opt
### uVision2 Project, (C) Keil Software
### Do not modify !
cExt (*.c)
aExt (*.s*; *.src; *.a*)
oExt (*.obj)
lExt (*.lib)
tExt (*.txt; *.h; *.inc)
pExt (*.plm)
CppX (*.cpp)
DaveTm {