485通信

 RS485、CAN这类总线型通信方式，由于抗干扰能力强、结构简单、组网方便、实时性好、支持多种现场总线协议，因此被广泛应用于工业现场。但是较低的通信速率、较小的组网规模、繁多的通信接口和通信协议还是限制了总线接口通信的发展进程。本例程主要介绍了通信原理

RS485
USER
StartCode
FWlib
DSP-Lib
CMSIS
ExtDll.iex
main.crf
main.d
main.o
misc.crf
misc.d
misc.o
RS485.axf
RS485.build_log.htm
rs485.crf
rs485.d
RS485.hex
RS485.htm
RS485.lnp
RS485.map
rs485.o
RS485.sct
RS485.uvgui.Administrator
RS485.uvgui_Administrator.bak
RS485.uvopt
RS485.uvproj
RS485_Target 1.dep
startup_stm32f4xx.d
startup_stm32f4xx.lst
startup_stm32f4xx.o
stm32f4xx_dma.crf
stm32f4xx_dma.d
stm32f4xx_dma.o
stm32f4xx_gpio.crf
stm32f4xx_gpio.d
stm32f4xx_gpio.o
stm32f4xx_it.crf
stm32f4xx_it.d
stm32f4xx_it.o
stm32f4xx_rcc.crf
stm32f4xx_rcc.d
stm32f4xx_rcc.o
stm32f4xx_usart.crf
stm32f4xx_usart.d
stm32f4xx_usart.o
system_stm32f4xx.crf
system_stm32f4xx.d
system_stm32f4xx.o