This a sample code for STM32F4 DISCOVERY board. It basically gets data from the accelerometer makes some calculations and sends it UART, I use an FTDI chip for uart to usb communication with my PC. With a simple PC program you could collect that data and make a graph or whatever you wish. I Used CooCox IDE to make that project. It is ready to use if you have that software. Otherwise you can still use the code with a bit of tweaking if for some reason you have different peripheral libraries for that board.

MemsUart\.cproject
........\.project
........\.register
........\.xml
........\build.xml
........\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\misc.h
........\.........\.......\stm32f4xx_exti.h
........\.........\.......\stm32f4xx_gpio.h
........\.........\.......\stm32f4xx_rcc.h
........\.........\.......\stm32f4xx_spi.h
........\.........\.......\stm32f4xx_syscfg.h
........\.........\.......\stm32f4xx_tim.h
........\.........\.......\stm32f4xx_usart.h
........\.........\.......\stm32f4_discovery.h
........\.........\.......\stm32f4_discovery_lis302dl.h
........\.........\source\itoa.c
........\.........\......\misc.c
........\.........\......\stm32f4xx_exti.c
........\.........\......\stm32f4xx_gpio.c
........\.........\......\stm32f4xx_rcc.c
........\.........\......\stm32f4xx_spi.c
........\.........\......\stm32f4xx_syscfg.c
........\.........\......\stm32f4xx_tim.c
........\.........\......\stm32f4xx_usart.c
........\.........\......\stm32f4_discovery.c
........\.........\......\stm32f4_discovery_lis302dl.c
........\Debug\bin\history.xml
........\.....\...\MemsUart.bin
........\.....\...\MemsUart.elf
........\.....\...\MemsUart.hex
........\.....\...\MemsUart.map
........\.....\...\MemsUart.txt
........\.....\obj\history.xml
........\.....\...\itoa.o
........\.....\...\main.o
........\.....\...\misc.o
........\.....\...\startup_stm32f4xx.o
........\.....\...\stm32f4xx_exti.o
........\.....\...\stm32f4xx_gpio.o
........\.....\...\stm32f4xx_rcc.o
........\.....\...\stm32f4xx_spi.o
........\.....\...\stm32f4xx_syscfg.o
........\.....\...\stm32f4xx_tim.o
........\.....\...\stm32f4xx_usart.o
........\.....\...\stm32f4_discovery.o
........\.....\...\stm32f4_discovery_lis302dl.o
........\.....\...\system_stm32f4xx.o
........\debug.config
........\link.ld
........\main.c
........\memory.ld
........\MemsUart.cob
........\.........elf.xcodeproj\project.pbxproj
........\cmsis_boot\startup
........\......lib\include
........\.........\source
........\Debug\bin
........\.....\obj
........\cmsis
........\cmsis_boot
........\cmsis_lib
........\Debug
........\MemsUart.elf.xcodeproj
MemsUart

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