Based STM32F1xx series of microprocessors, RS485 communication protocol under Kill ARM development environment, complete program to send and receive serial string of any length can be. After repeated tests downloaded to the development board through the serial port correct assistant, the code clear and concise, detailed notes at the keys.

RS485-USART
...........\CORE
...........\....\core_cm3.c
...........\....\core_cm3.h
...........\....\startup_stm32f10x_hd.s
...........\FWLIB
...........\.....\inc
...........\.....\...\misc.h
...........\.....\...\stm32f10x_adc.h
...........\.....\...\stm32f10x_bkp.h
...........\.....\...\stm32f10x_can.h
...........\.....\...\stm32f10x_cec.h
...........\.....\...\stm32f10x_crc.h
...........\.....\...\stm32f10x_dac.h
...........\.....\...\stm32f10x_dbgmcu.h
...........\.....\...\stm32f10x_dma.h
...........\.....\...\stm32f10x_exti.h
...........\.....\...\stm32f10x_flash.h
...........\.....\...\stm32f10x_fsmc.h
...........\.....\...\stm32f10x_gpio.h
...........\.....\...\stm32f10x_i2c.h
...........\.....\...\stm32f10x_iwdg.h
...........\.....\...\stm32f10x_pwr.h
...........\.....\...\stm32f10x_rcc.h
...........\.....\...\stm32f10x_rtc.h
...........\.....\...\stm32f10x_sdio.h
...........\.....\...\stm32f10x_spi.h
...........\.....\...\stm32f10x_tim.h
...........\.....\...\stm32f10x_usart.h
...........\.....\...\stm32f10x_wwdg.h
...........\.....\src
...........\.....\...\misc.c
...........\.....\...\stm32f10x_adc.c
...........\.....\...\stm32f10x_bkp.c
...........\.....\...\stm32f10x_can.c
...........\.....\...\stm32f10x_cec.c
...........\.....\...\stm32f10x_crc.c
...........\.....\...\stm32f10x_dac.c
...........\.....\...\stm32f10x_dbgmcu.c
...........\.....\...\stm32f10x_dma.c
...........\.....\...\stm32f10x_exti.c
...........\.....\...\stm32f10x_flash.c
...........\.....\...\stm32f10x_fsmc.c
...........\.....\...\stm32f10x_gpio.c
...........\.....\...\stm32f10x_i2c.c
...........\.....\...\stm32f10x_iwdg.c
...........\.....\...\stm32f10x_pwr.c
...........\.....\...\stm32f10x_rcc.c
...........\.....\...\stm32f10x_rtc.c
...........\.....\...\stm32f10x_sdio.c
...........\.....\...\stm32f10x_spi.c
...........\.....\...\stm32f10x_tim.c
...........\.....\...\stm32f10x_usart.c
...........\.....\...\stm32f10x_wwdg.c
...........\keilkilll.bat
...........\OBJ
...........\...\Template.hex
...........\USER
...........\....\JLinkSettings.ini
...........\....\Listings
...........\....\main.c
...........\....\stm32f10x.h
...........\....\stm32f10x_conf.h
...........\....\stm32f10x_it.c
...........\....\stm32f10x_it.h
...........\....\system_stm32f10x.c
...........\....\system_stm32f10x.h
...........\....\Template.uvguix.Administrator
...........\....\Template.uvoptx
...........\....\Template.uvprojx

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