Modbus protocol under the crew sth10 temperature and humidity acquisition program, the chip uses STM32F103VET6, 485 conversion chip in my development board with RS485-232 converter, does not enable pin, but with slight modifications instead control the 485 chip.

MODBUS1\CMSIS\core_cm3.c
.......\.....\core_cm3.h
.......\.....\startup\startup_stm32f10x_cl.s
.......\.....\.......\startup_stm32f10x_hd.s
.......\.....\.......\startup_stm32f10x_hd_vl.s
.......\.....\.......\startup_stm32f10x_ld.s
.......\.....\.......\startup_stm32f10x_ld_vl.s
.......\.....\.......\startup_stm32f10x_md.s
.......\.....\.......\startup_stm32f10x_md_vl.s
.......\.....\.......\startup_stm32f10x_xl.s
.......\.....\stm32f10x.h
.......\.....\system_stm32f10x.c
.......\.....\system_stm32f10x.h
.......\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
.......\Listing\startup_stm32f10x_hd.lst
.......\.......\STM32-DEMO.map
.......\Output\core_cm3.crf
.......\......\core_cm3.d
.......\......\core_cm3.o
.......\......\ExtDll.iex
.......\......\gpio.crf
.......\......\gpio.d
.......\......\gpio.o
.......\......\init_config.crf
.......\......\init_config.d
.......\......\init_config.o
.......\......\main.crf
.......\......\main.d
.......\......\main.o
.......\......\misc.crf
.......\......\misc.d
.......\......\misc.o
.......\......\modbus.crf
.......\......\modbus.d
.......\......\modbus.o
.......\......\myiic.crf
.......\......\myiic.d
.......\......\myiic.o
.......\......\nvic.crf
.......\......\nvic.d
.......\......\nvic.o
.......\......\rcc.crf
.......\......\rcc.d
.......\......\rcc.o
.......\......\startup_stm32f10x_hd.d
.......\......\startup_stm32f10x_hd.o
.......\......\sth11.d
.......\......\STM32-DEMO.axf
.......\......\STM32-DEMO.htm
.......\......\STM32-DEMO.lnp
.......\......\STM32-DEMO.plg
.......\......\STM32-DEMO.sct
.......\......\STM32-DEMO.tra
.......\......\stm32f10x_adc.crf
.......\......\stm32f10x_adc.d

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