Добавил cubemx проект.

project/project.ioc

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+#MicroXplorer Configuration settings - do not modify
+CAD.formats=
+CAD.pinconfig=
+CAD.provider=
+File.Version=6
+KeepUserPlacement=false
+Mcu.CPN=STM32L053R8T3
+Mcu.Family=STM32L0
+Mcu.IP0=NVIC
+Mcu.IP1=RCC
+Mcu.IP2=SPI1
+Mcu.IP3=SYS
+Mcu.IP4=USART2
+Mcu.IPNb=5
+Mcu.Name=STM32L053R(6-8)Tx
+Mcu.Package=LQFP64
+Mcu.Pin0=PC13
+Mcu.Pin1=PC14-OSC32_IN
+Mcu.Pin10=PA7
+Mcu.Pin11=PA13
+Mcu.Pin12=PA14
+Mcu.Pin13=PB3
+Mcu.Pin14=VP_SYS_VS_Systick
+Mcu.Pin2=PC15-OSC32_OUT
+Mcu.Pin3=PH0-OSC_IN
+Mcu.Pin4=PH1-OSC_OUT
+Mcu.Pin5=PA2
+Mcu.Pin6=PA3
+Mcu.Pin7=PA4
+Mcu.Pin8=PA5
+Mcu.Pin9=PA6
+Mcu.PinsNb=15
+Mcu.ThirdPartyNb=0
+Mcu.UserConstants=
+Mcu.UserName=STM32L053R8Tx
+MxCube.Version=6.11.1
+MxDb.Version=DB.6.0.111
+NVIC.ForceEnableDMAVector=true
+NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
+NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
+NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
+NVIC.SVC_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:true
+NVIC.SysTick_IRQn=true\:0\:0\:true\:false\:true\:true\:true\:false
+PA13.GPIOParameters=GPIO_Label
+PA13.GPIO_Label=TMS
+PA13.Locked=true
+PA13.Mode=Serial_Wire
+PA13.Signal=SYS_SWDIO
+PA14.GPIOParameters=GPIO_Label
+PA14.GPIO_Label=TCK
+PA14.Locked=true
+PA14.Mode=Serial_Wire
+PA14.Signal=SYS_SWCLK
+PA2.GPIOParameters=GPIO_Label
+PA2.GPIO_Label=USART_TX
+PA2.Locked=true
+PA2.Mode=Asynchronous
+PA2.Signal=USART2_TX
+PA3.GPIOParameters=GPIO_Label
+PA3.GPIO_Label=USART_RX
+PA3.Locked=true
+PA3.Mode=Asynchronous
+PA3.Signal=USART2_RX
+PA4.Mode=NSS_Signal_Hard_Output
+PA4.Signal=SPI1_NSS
+PA5.GPIOParameters=GPIO_Label
+PA5.GPIO_Label=LD2 [Green Led]
+PA5.Locked=true
+PA5.Signal=GPIO_Output
+PA6.Mode=Full_Duplex_Master
+PA6.Signal=SPI1_MISO
+PA7.Mode=Full_Duplex_Master
+PA7.Signal=SPI1_MOSI
+PB3.Mode=Full_Duplex_Master
+PB3.Signal=SPI1_SCK
+PC13.GPIOParameters=GPIO_Label,GPIO_ModeDefaultEXTI
+PC13.GPIO_Label=B1 [Blue PushButton]
+PC13.GPIO_ModeDefaultEXTI=GPIO_MODE_IT_FALLING
+PC13.Locked=true
+PC13.Signal=GPXTI13
+PC14-OSC32_IN.Locked=true
+PC14-OSC32_IN.Mode=LSE-External-Oscillator
+PC14-OSC32_IN.Signal=RCC_OSC32_IN
+PC15-OSC32_OUT.Locked=true
+PC15-OSC32_OUT.Mode=LSE-External-Oscillator
+PC15-OSC32_OUT.Signal=RCC_OSC32_OUT
+PH0-OSC_IN.Locked=true
+PH0-OSC_IN.Mode=HSE-External-Clock-Source
+PH0-OSC_IN.Signal=RCC_OSC_IN
+PH1-OSC_OUT.Locked=true
+PH1-OSC_OUT.Signal=RCC_OSC_OUT
+PinOutPanel.RotationAngle=0
+ProjectManager.AskForMigrate=true
+ProjectManager.BackupPrevious=false
+ProjectManager.CompilerOptimize=6
+ProjectManager.ComputerToolchain=false
+ProjectManager.CoupleFile=false
+ProjectManager.CustomerFirmwarePackage=
+ProjectManager.DefaultFWLocation=true
+ProjectManager.DeletePrevious=true
+ProjectManager.DeviceId=STM32L053R8Tx
+ProjectManager.FirmwarePackage=STM32Cube FW_L0 V1.12.2
+ProjectManager.FreePins=false
+ProjectManager.HalAssertFull=false
+ProjectManager.HeapSize=0x200
+ProjectManager.KeepUserCode=true
+ProjectManager.LastFirmware=true
+ProjectManager.LibraryCopy=0
+ProjectManager.MainLocation=Core/Src
+ProjectManager.NoMain=false
+ProjectManager.PreviousToolchain=
+ProjectManager.ProjectBuild=false
+ProjectManager.ProjectFileName=project.ioc
+ProjectManager.ProjectName=project
+ProjectManager.ProjectStructure=
+ProjectManager.RegisterCallBack=
+ProjectManager.StackSize=0x400
+ProjectManager.TargetToolchain=Makefile
+ProjectManager.ToolChainLocation=
+ProjectManager.UAScriptAfterPath=
+ProjectManager.UAScriptBeforePath=
+ProjectManager.UnderRoot=false
+ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_SPI1_Init-SPI1-false-HAL-true,4-MX_USART2_UART_Init-USART2-false-HAL-true
+RCC.48CLKFreq_Value=32000000
+RCC.48RNGFreq_Value=32000000
+RCC.48USBFreq_Value=32000000
+RCC.AHBFreq_Value=32000000
+RCC.APB1Freq_Value=32000000
+RCC.APB1TimFreq_Value=32000000
+RCC.APB2Freq_Value=32000000
+RCC.APB2TimFreq_Value=32000000
+RCC.FCLKCortexFreq_Value=32000000
+RCC.FamilyName=M
+RCC.HCLKFreq_Value=32000000
+RCC.HSE_VALUE=8000000
+RCC.HSI16_VALUE=16000000
+RCC.HSI48_VALUE=48000000
+RCC.HSI_VALUE=16000000
+RCC.I2C1Freq_Value=32000000
+RCC.IPParameters=48CLKFreq_Value,48RNGFreq_Value,48USBFreq_Value,AHBFreq_Value,APB1Freq_Value,APB1TimFreq_Value,APB2Freq_Value,APB2TimFreq_Value,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI16_VALUE,HSI48_VALUE,HSI_VALUE,I2C1Freq_Value,LCDFreq_Value,LPTIMFreq_Value,LPUARTFreq_Value,LSI_VALUE,MCOPinFreq_Value,MSI_VALUE,PLLCLKFreq_Value,PLLMUL,PWRFreq_Value,RTCFreq_Value,RTCHSEDivFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,TIMFreq_Value,TimerFreq_Value,USART1Freq_Value,USART2Freq_Value,VCOOutputFreq_Value,WatchDogFreq_Value
+RCC.LCDFreq_Value=37000
+RCC.LPTIMFreq_Value=32000000
+RCC.LPUARTFreq_Value=32000000
+RCC.LSI_VALUE=37000
+RCC.MCOPinFreq_Value=32000000
+RCC.MSI_VALUE=2097000
+RCC.PLLCLKFreq_Value=32000000
+RCC.PLLMUL=RCC_PLLMUL_4
+RCC.PWRFreq_Value=2097000
+RCC.RTCFreq_Value=37000
+RCC.RTCHSEDivFreq_Value=4000000
+RCC.SYSCLKFreq_VALUE=32000000
+RCC.SYSCLKSource=RCC_SYSCLKSOURCE_PLLCLK
+RCC.TIMFreq_Value=32000000
+RCC.TimerFreq_Value=32000000
+RCC.USART1Freq_Value=32000000
+RCC.USART2Freq_Value=32000000
+RCC.VCOOutputFreq_Value=64000000
+RCC.WatchDogFreq_Value=37000
+SH.GPXTI13.0=GPIO_EXTI13
+SH.GPXTI13.ConfNb=1
+SPI1.CalculateBaudRate=16.0 MBits/s
+SPI1.Direction=SPI_DIRECTION_2LINES
+SPI1.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,VirtualNSS
+SPI1.Mode=SPI_MODE_MASTER
+SPI1.VirtualNSS=VM_NSSHARD
+SPI1.VirtualType=VM_MASTER
+USART2.IPParameters=VirtualMode-Asynchronous
+USART2.VirtualMode-Asynchronous=VM_ASYNC
+VP_SYS_VS_Systick.Mode=SysTick
+VP_SYS_VS_Systick.Signal=SYS_VS_Systick
+board=NUCLEO-L053R8
+boardIOC=true