基于stm32的串口实验

本代码主要实现stm32单片机通过usart与上位机的通信，比较简洁，简单0000000000000

CORE
core_cm3.c
core_cm3.h
startup_stm32f10x_hd.s
startup_stm32f10x_md.s
HARDWARE
KEY
LED
OBJ
USART.axf
USART.build_log.htm
USART.hex
USART.htm
USART.lnp
USART.sct
USART_Target 1.dep
core_cm3.crf
core_cm3.d
core_cm3.o
delay.crf
delay.d
delay.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.crf
usart.d
usart.o
README.TXT
STM32F10x_FWLib
inc
src
SYSTEM
delay
sys
usart
USER
JLinkSettings.ini
USART.map
USART.uvguix.Administrator
USART.uvoptx
USART.uvprojx
main.c
startup_stm32f10x_hd.lst
stm32f10x.h
stm32f10x_conf.h
stm32f10x_it.c
stm32f10x_it.h
system_stm32f10x.c
system_stm32f10x.h
keilkilll.bat