File list (Check if you may need any files):
usart\cmsis\core_cm4.h
.....\.....\core_cm4_simd.h
.....\.....\core_cmFunc.h
.....\.....\core_cmInstr.h
.....\....._boot\startup\startup_stm32f4xx.c
.....\..........\stm32f4xx.h
.....\..........\stm32f4xx_conf.h
.....\..........\system_stm32f4xx.c
.....\..........\system_stm32f4xx.h
.....\......lib\include\stm32f4xx_gpio.h
.....\.........\.......\stm32f4xx_rcc.h
.....\.........\.......\stm32f4xx_tim.h
.....\.........\.......\stm32f4xx_usart.h
.....\.........\source\stm32f4xx_gpio.c
.....\.........\......\stm32f4xx_rcc.c
.....\.........\......\stm32f4xx_tim.c
.....\.........\......\stm32f4xx_usart.c
.....\main.c
.....\syscalls\syscalls.c
.....\usart\Debug\bin\history.xml
.....\.....\.....\...\usart.bin
.....\.....\.....\...\usart.elf
.....\.....\.....\...\usart.hex
.....\.....\.....\...\usart.map
.....\.....\.....\obj\dependencies.xml
.....\.....\.....\...\history.xml
.....\.....\.....\...\main.o
.....\.....\.....\...\startup_stm32f4xx.o
.....\.....\.....\...\stm32f4xx_gpio.o
.....\.....\.....\...\stm32f4xx_rcc.o
.....\.....\.....\...\stm32f4xx_tim.o
.....\.....\.....\...\stm32f4xx_usart.o
.....\.....\.....\...\syscalls.o
.....\.....\.....\...\system_stm32f4xx.o
.....\.....\usart.elf.xcodeproj\project.pbxproj
.....\usart.cogui
.....\usart.coproj
.....\.....\Debug\bin
.....\.....\.....\obj
.....\cmsis_boot\startup
.....\......lib\include
.....\.........\source
.....\usart\Debug
.....\.....\usart.elf.xcodeproj
.....\cmsis
.....\cmsis_boot
.....\cmsis_lib
.....\syscalls
.....\usart
usart