Add CubeMX file and brief description in README.

Author: thejpster

CubeMX/CubeMX.ioc

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+#MicroXplorer Configuration settings - do not modify
+Mcu.Family=STM32F0
+ProjectManager.MainLocation=Core/Src
+RCC.MCOFreq_Value=48000000
+Dma.SPI1_TX.1.Priority=DMA_PRIORITY_LOW
+PA6.Mode=Full_Duplex_Slave
+RCC.USART1Freq_Value=48000000
+I2C1.I2C_Speed_Mode=I2C_Standard
+ProjectManager.KeepUserCode=true
+Mcu.UserName=STM32F031K6Tx
+SPI1.VirtualType=VM_SLAVE
+RCC.PLLCLKFreq_Value=48000000
+PA0.GPIO_Label=MON_3V3
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-MX_DMA_Init-DMA-false-HAL-true,3-SystemClock_Config-RCC-false-HAL-false,4-MX_ADC_Init-ADC-false-HAL-true,5-MX_SPI1_Init-SPI1-false-HAL-true
+PA9.GPIOParameters=GPIO_Label
+Dma.SPI1_TX.1.PeriphInc=DMA_PINC_DISABLE
+PA11.Mode=CTS_RTS
+PA3.GPIOParameters=GPIO_Label
+PA6.GPIO_Label=SPI_CIPO
+PB0.GPIO_Label=BUTTON_nRST
+NVIC.SVC_IRQn=true\:0\:0\:false\:false\:true\:false\:false
+USART1.IPParameters=VirtualMode-Asynchronous
+PA2.GPIOParameters=GPIO_Label
+PinOutPanel.RotationAngle=0
+RCC.SYSCLKSource=RCC_SYSCLKSOURCE_PLLCLK
+ProjectManager.StackSize=0x400
+PB5.GPIOParameters=GPIO_Label
+Mcu.IP4=RCC
+RCC.FCLKCortexFreq_Value=48000000
+Mcu.IP5=SPI1
+Mcu.IP2=I2C1
+I2C1.IPParameters=I2C_Speed_Mode
+Mcu.IP3=NVIC
+PA15.GPIO_Label=PS2_CLK0
+PB4.GPIOParameters=GPIO_Label
+Mcu.IP0=ADC
+Mcu.IP1=DMA
+PA12.Locked=true
+PA12.Signal=USART1_RTS
+SH.GPXTI3.ConfNb=1
+Mcu.UserConstants=
+Dma.SPI1_RX.0.Direction=DMA_PERIPH_TO_MEMORY
+PA4.Mode=NSS_Signal_Hard_Input
+Mcu.ThirdPartyNb=0
+SPI1.Direction=SPI_DIRECTION_2LINES
+RCC.HCLKFreq_Value=48000000
+Mcu.IPNb=8
+ProjectManager.PreviousToolchain=
+PB6.Signal=USART1_TX
+PB6.Mode=Asynchronous
+PA8.GPIOParameters=GPIO_Label
+Mcu.Pin6=PA4
+Mcu.Pin7=PA5
+Mcu.Pin8=PA6
+Mcu.Pin9=PA7
+RCC.AHBFreq_Value=48000000
+Mcu.Pin0=PF0-OSC_IN
+Mcu.Pin1=PF1-OSC_OUT
+GPIO.groupedBy=Group By Peripherals
+Mcu.Pin2=PA0
+Mcu.Pin3=PA1
+Mcu.Pin4=PA2
+Mcu.Pin5=PA3
+Dma.SPI1_TX.1.PeriphDataAlignment=DMA_PDATAALIGN_BYTE
+ProjectManager.ProjectBuild=false
+PA0.Locked=true
+PF0-OSC_IN.GPIO_Label=BUTTON_nPWR
+PA8.Locked=true
+PA4.Locked=true
+NVIC.SysTick_IRQn=true\:0\:0\:false\:false\:true\:false\:true
+RCC.PLLMUL=RCC_PLL_MUL12
+Dma.SPI1_RX.0.PeriphInc=DMA_PINC_DISABLE
+ProjectManager.FirmwarePackage=STM32Cube FW_F0 V1.11.2
+MxDb.Version=DB.6.0.21
+PB0.GPIOParameters=GPIO_Label
+PA1.GPIOParameters=GPIO_Label
+ProjectManager.BackupPrevious=false
+Dma.SPI1_TX.1.Mode=DMA_NORMAL
+PF0-OSC_IN.Locked=true
+PA14.Mode=Serial_Wire
+PB1.GPIO_Label=DC_ON
+SPI1.DataSize=SPI_DATASIZE_8BIT
+File.Version=6
+PA10.GPIO_Label=I2C1_SDA
+PA0.Mode=IN0
+PB3.GPIOParameters=GPIO_Label
+PB7.Signal=USART1_RX
+PA8.Signal=GPIO_Output
+SPI1.VirtualNSS=VM_NSSHARD
+PB6.Locked=true
+NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false
+Dma.RequestsNb=2
+ProjectManager.HalAssertFull=false
+PB0.Locked=true
+ProjectManager.ProjectName=CubeMX
+PA0.Signal=ADC_IN0
+RCC.PLLMCOFreq_Value=48000000
+Dma.SPI1_TX.1.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority
+Mcu.Package=LQFP32
+PB1.Signal=GPIO_Output
+PA6.Signal=SPI1_MISO
+PA7.Locked=true
+PA5.Locked=true
+PA14.Locked=true
+ProjectManager.ToolChainLocation=
+PA2.GPIO_Label=LED0
+VP_SYS_VS_Systick.Signal=SYS_VS_Systick
+PA10.Signal=I2C1_SDA
+PA15.Signal=GPXTI15
+PA5.GPIOParameters=GPIO_Label
+PB5.GPIO_Label=PS2_DAT1
+Dma.Request1=SPI1_TX
+RCC.APB1TimFreq_Value=48000000
+Dma.SPI1_RX.0.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority
+Dma.Request0=SPI1_RX
+PA4.GPIO_Label=SPI_nCS
+ProjectManager.CustomerFirmwarePackage=
+PF1-OSC_OUT.Signal=GPIO_Output
+Dma.SPI1_TX.1.Instance=DMA1_Channel3
+PB3.Locked=true
+PB4.Signal=GPIO_Input
+PA3.Signal=GPIO_Output
+PA5.Mode=Full_Duplex_Slave
+PA2.Locked=true
+PB3.GPIO_Label=PS2_CLK1
+PA6.GPIOParameters=GPIO_Label
+RCC.I2SFreq_Value=48000000
+Dma.SPI1_TX.1.MemInc=DMA_MINC_ENABLE
+ProjectManager.ProjectFileName=CubeMX.ioc
+PA7.Mode=Full_Duplex_Slave
+PA10.Mode=I2C
+PA15.GPIOParameters=GPIO_Label
+Mcu.PinsNb=26
+ProjectManager.NoMain=false
+SPI1.IPParameters=VirtualType,Mode,Direction,VirtualNSS,DataSize
+PA9.GPIO_Label=I2C1_SCL
+ProjectManager.DefaultFWLocation=true
+ProjectManager.DeletePrevious=true
+PF1-OSC_OUT.Locked=true
+Dma.SPI1_RX.0.Mode=DMA_NORMAL
+Dma.SPI1_TX.1.Direction=DMA_MEMORY_TO_PERIPH
+RCC.FamilyName=M
+USART1.VirtualMode-Asynchronous=VM_ASYNC
+PA13.Signal=SYS_SWDIO
+PA15.Locked=true
+PA11.Locked=true
+PA9.Mode=I2C
+Dma.SPI1_TX.1.MemDataAlignment=DMA_MDATAALIGN_BYTE
+PA8.GPIO_Label=IRQ_nHOST
+ProjectManager.TargetToolchain=EWARM V8.32
+PA9.Signal=I2C1_SCL
+PB5.Locked=true
+ProjectManager.RegisterCallBack=
+PF1-OSC_OUT.GPIOParameters=GPIO_Label
+PA1.Signal=ADC_IN1
+PB1.Locked=true
+PA5.Signal=SPI1_SCK
+board=custom
+SH.GPXTI3.0=GPIO_EXTI3
+ProjectManager.LastFirmware=true
+PA1.Mode=IN1
+MxCube.Version=6.2.1
+PB4.GPIO_Label=PS2_DAT0
+RCC.I2C1Freq_Value=8000000
+SPI1.Mode=SPI_MODE_SLAVE
+Dma.SPI1_RX.0.Instance=DMA1_Channel2
+PA1.GPIO_Label=MON_5V0
+PF1-OSC_OUT.GPIO_Label=HOST_nRST
+PA10.GPIOParameters=GPIO_Label
+VP_SYS_VS_Systick.Mode=SysTick
+Dma.SPI1_RX.0.PeriphDataAlignment=DMA_PDATAALIGN_BYTE
+PA9.Locked=true
+Dma.SPI1_RX.0.MemDataAlignment=DMA_MDATAALIGN_BYTE
+NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false\:false
+PA4.GPIOParameters=GPIO_Label
+PA13.Mode=Serial_Wire
+ProjectManager.FreePins=false
+RCC.IPParameters=AHBFreq_Value,APB1Freq_Value,APB1TimFreq_Value,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,I2C1Freq_Value,I2SFreq_Value,MCOFreq_Value,PLLCLKFreq_Value,PLLMCOFreq_Value,PLLMUL,SYSCLKFreq_VALUE,SYSCLKSource,TimSysFreq_Value,USART1Freq_Value
+ProjectManager.AskForMigrate=true
+Mcu.Name=STM32F031K6Tx
+Dma.SPI1_RX.0.MemInc=DMA_MINC_ENABLE
+PA2.Signal=GPIO_Output
+Mcu.Pin24=PB7
+ProjectManager.UnderRoot=false
+Mcu.Pin25=VP_SYS_VS_Systick
+Mcu.IP6=SYS
+Mcu.IP7=USART1
+ProjectManager.CoupleFile=false
+PB4.Locked=true
+PB3.Signal=GPXTI3
+PA4.Signal=SPI1_NSS
+RCC.SYSCLKFreq_VALUE=48000000
+PB5.Signal=GPIO_Output
+Mcu.Pin22=PB5
+Mcu.Pin23=PB6
+RCC.TimSysFreq_Value=48000000
+PA1.Locked=true
+PA7.GPIO_Label=SPI_COPI
+Mcu.Pin20=PB3
+PA3.Locked=true
+Mcu.Pin21=PB4
+PA12.Mode=CTS_RTS
+PA5.GPIO_Label=SPI_CLK
+PA10.Locked=true
+NVIC.ForceEnableDMAVector=true
+KeepUserPlacement=false
+PA13.Locked=true
+ProjectManager.CompilerOptimize=6
+PB7.Mode=Asynchronous
+PA11.Signal=USART1_CTS
+PA14.Signal=SYS_SWCLK
+ProjectManager.HeapSize=0x200
+PA0.GPIOParameters=GPIO_Label
+Mcu.Pin15=PA11
+NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false
+Mcu.Pin16=PA12
+Mcu.Pin13=PA9
+Mcu.Pin14=PA10
+Mcu.Pin19=PA15
+Dma.SPI1_RX.0.Priority=DMA_PRIORITY_LOW
+SH.GPXTI15.ConfNb=1
+ProjectManager.ComputerToolchain=false
+Mcu.Pin17=PA13
+Mcu.Pin18=PA14
+Mcu.Pin11=PB1
+SH.GPXTI15.0=GPIO_EXTI15
+Mcu.Pin12=PA8
+Mcu.Pin10=PB0
+NVIC.DMA1_Channel2_3_IRQn=true\:0\:0\:false\:false\:true\:false\:true
+PB7.Locked=true
+PF0-OSC_IN.Signal=GPIO_Input
+PF0-OSC_IN.GPIOParameters=GPIO_Label
+RCC.APB1Freq_Value=48000000
+PB0.Signal=GPIO_Input
+PA7.GPIOParameters=GPIO_Label
+ProjectManager.DeviceId=STM32F031K6Tx
+ProjectManager.LibraryCopy=0
+PA3.GPIO_Label=LED1
+PB1.GPIOParameters=GPIO_Label
+PA7.Signal=SPI1_MOSI
+PA6.Locked=true

CubeMX/README.md

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+# CubeMX
+
+## What is CubeMX?
+
+The Neotron Pico uses an STM32F031 as a Board Management Controller. ST's CubeMX software allows you to configure ST Micro devices, such as our STM32F031.
+
+## What is in this folder?
+
+This folder contains a configuration file for ST's CubeMX Software, for the BMC MCU. This allows us to confirm that the pinout specified in the schematic can be supported by the MCU's internal pin-muxing architecture, as only certain peripherals are available on each pin.
+
+## Do we autogen code with CubeMX?
+
+We do not currently use the code generation feature. The firmware for the Neotron Pico's BMC can be found at https://github.com/Neotron-Compute/Neotron-BMC.
+
+## Where can I get CubeMX?
+
+You can download it from https://www.st.com/en/development-tools/stm32cubemx.html.
+