Experimental equipment: Battleship STM32F103 Development Board V3 version Purpose: Learning to use the serial port (receive and transmit) hardware resources: 1, DS0 (connected to PB5) 2, 1 serial port (baud rate: 115200, PA9/PA10 connections onboard USB to serial chip CH340 above) experimental phenomena: this experiment, STM32 through the serial port 1 and PC dialogue, STM32 after a string sent the host computer (the end with a carriage return line feed) received exactly back to the host computer. After downloading, DS0 flashes, indicating the program is running, but at a certain time, a piece of information through the serial port 1 output to the computer. Note: 1, computer terminal serial debugging assistant baud rate must be 115,200.2, please use the XCOM/SSCOM serial debugging assistant, other serial Assistant may control DTR/RTS cause MCU reset/program does not run 3, serial input string End carriage return line feed. 4, connect the USB cable in USB_232, find a USB-to-serial test

实验4 串口实验\CORE\core_cm3.c
..............\....\core_cm3.h
..............\....\startup_stm32f10x_hd.s
..............\....\startup_stm32f10x_md.s
..............\HARDWARE\KEY\key.c
..............\........\...\key.h
..............\........\LED\led.c
..............\........\...\led.h
..............\keilkilll.bat
..............\OBJ\core_cm3.crf
..............\...\core_cm3.d
..............\...\core_cm3.o
..............\...\delay.crf
..............\...\delay.d
..............\...\delay.o
..............\...\key.crf
..............\...\key.d
..............\...\key.o
..............\...\led.crf
..............\...\led.d
..............\...\led.o
..............\...\main.crf
..............\...\main.d
..............\...\main.o
..............\...\misc.crf
..............\...\misc.d
..............\...\misc.o
..............\...\startup_stm32f10x_hd.d
..............\...\startup_stm32f10x_hd.o
..............\...\stm32f10x_gpio.crf
..............\...\stm32f10x_gpio.d
..............\...\stm32f10x_gpio.o
..............\...\stm32f10x_it.crf
..............\...\stm32f10x_it.d
..............\...\stm32f10x_it.o
..............\...\stm32f10x_rcc.crf
..............\...\stm32f10x_rcc.d
..............\...\stm32f10x_rcc.o
..............\...\stm32f10x_usart.crf
..............\...\stm32f10x_usart.d
..............\...\stm32f10x_usart.o
..............\...\sys.crf
..............\...\sys.d
..............\...\sys.o
..............\...\system_stm32f10x.crf
..............\...\system_stm32f10x.d
..............\...\system_stm32f10x.o
..............\...\USART.axf
..............\...\USART.build_log.htm
..............\...\usart.crf
..............\...\usart.d
..............\...\USART.hex
..............\...\USART.htm
..............\...\USART.lnp
..............\...\usart.o
..............\...\USART.sct
..............\...\USART_USART.dep
..............\README.TXT
..............\STM32F10x_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

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