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
....................\keilkilll.bat
....................\README.TXT
....................\SYSTEM\delay\delay.c
....................\......\.....\delay.h
....................\......\sys\sys.c
....................\......\...\sys.h
....................\......\usart\usart.c
....................\......\.....\usart.h
....................\USER\call.c
....................\....\call.crf
....................\....\call.d
....................\....\call.o
....................\....\call.uvopt
....................\....\call.uvproj
....................\....\call_Target 1.dep
....................\....\call_uvopt.bak
....................\....\call_uvproj.bak
....................\....\delay.crf
....................\....\delay.d
....................\....\delay.o
....................\....\key.crf
....................\....\key.d
....................\....\key.o
....................\....\led.crf
....................\....\led.d
....................\....\led.o
....................\....\STM32F10x.d
....................\....\STM32F10x.lst
....................\....\STM32F10x.o
....................\....\STM32F10x.s
....................\....\sys.crf
....................\....\sys.d
....................\....\sys.o
....................\....\TEST.axf
....................\....\test.crf
....................\....\test.d
....................\....\TEST.hex
....................\....\TEST.htm
....................\....\TEST.lnp
....................\....\TEST.map
....................\....\test.o
....................\....\TEST.opt.bak
....................\....\TEST.plg
....................\....\TEST.sct
....................\....\TEST.tra
....................\....\TEST.Uv2.bak
....................\....\TEST.uvopt
....................\....\TEST_Target 1.dep
....................\....\TEST_uvopt.bak
....................\....\usart.crf
....................\....\usart.d
....................\....\usart.o
....................\YIXIN_SIM900A 开发板使用说明书.pdf
....................\HARDWARE\KEY
....................\........\LED
....................\SYSTEM\delay
....................\......\sys
....................\......\usart
....................\HARDWARE
....................\SYSTEM
....................\USER
STM32 拨打、挂断电话