File list (Check if you may need any files):
STM32 拨打、挂断电话
....................\HARDWARE
....................\........\KEY
....................\........\...\key.c
....................\........\...\key.h
....................\........\LED
....................\........\...\led.c
....................\........\...\led.h
....................\README.TXT
....................\SYSTEM
....................\......\delay
....................\......\.....\delay.c
....................\......\.....\delay.h
....................\......\sys
....................\......\...\sys.c
....................\......\...\sys.h
....................\......\usart
....................\......\.....\usart.c
....................\......\.....\usart.h
....................\USER
....................\....\STM32F10x.d
....................\....\STM32F10x.lst
....................\....\STM32F10x.o
....................\....\STM32F10x.s
....................\....\TEST.Uv2.bak
....................\....\TEST.hex
....................\....\TEST.htm
....................\....\TEST.lnp
....................\....\TEST.map
....................\....\TEST.opt.bak
....................\....\TEST.plg
....................\....\TEST.sct
....................\....\TEST.tra
....................\....\TEST.uvopt
....................\....\TEST_Target 1.dep
....................\....\TEST_uvopt.bak
....................\....\call.__i
....................\....\call.c
....................\....\call.crf
....................\....\call.d
....................\....\call.o
....................\....\call.uvgui.Administrator
....................\....\call.uvgui_Administrator.bak
....................\....\call.uvopt
....................\....\call.uvproj
....................\....\call_Target 1.dep
....................\....\call_uvopt.bak
....................\....\call_uvproj.bak
....................\....\delay.__i
....................\....\delay.crf
....................\....\delay.d
....................\....\delay.o
....................\....\key.__i
....................\....\key.crf
....................\....\key.d
....................\....\key.o
....................\....\led.__i
....................\....\led.crf
....................\....\led.d
....................\....\led.o
....................\....\sys.__i
....................\....\sys.crf
....................\....\sys.d
....................\....\test.crf
....................\....\test.d
....................\....\test.o
....................\....\usart.__i
....................\....\usart.crf
....................\....\usart.d
....................\YIXIN_SIM900A 开发板使用说明书.pdf
....................\keilkilll.bat