STM32CubeMX Project for STM32 blue pill development board

bluepill.ioc

#MicroXplorer Configuration settings - do not modify
File.Version=6
KeepUserPlacement=false
Mcu.Family=STM32F1
Mcu.IP0=NVIC
Mcu.IP1=RCC
Mcu.IP2=RTC
Mcu.IP3=SYS
Mcu.IP4=USB
Mcu.IPNb=5
Mcu.Name=STM32F103C(8-B)Tx
Mcu.Package=LQFP48
Mcu.Pin0=PC13-TAMPER-RTC
Mcu.Pin1=PC14-OSC32_IN
Mcu.Pin10=VP_SYS_VS_ND
Mcu.Pin11=VP_SYS_VS_Systick
Mcu.Pin2=PC15-OSC32_OUT
Mcu.Pin3=PD0-OSC_IN
Mcu.Pin4=PD1-OSC_OUT
Mcu.Pin5=PA11
Mcu.Pin6=PA12
Mcu.Pin7=VP_RTC_VS_RTC_Activate
Mcu.Pin8=VP_RTC_VS_RTC_Calendar
Mcu.Pin9=VP_RTC_No_RTC_Output
Mcu.PinsNb=12
Mcu.ThirdPartyNb=0
Mcu.UserConstants=
Mcu.UserName=STM32F103CBTx
MxCube.Version=4.27.0
MxDb.Version=DB.4.0.270
NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false
NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false
NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false
NVIC.MemoryManagement_IRQn=true\:0\:0\:false\:false\:true\:false
NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false
NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false
NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4
NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:false
NVIC.SysTick_IRQn=true\:0\:0\:false\:false\:true\:false
NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false
PA11.Mode=Device
PA11.Signal=USB_DM
PA12.Mode=Device
PA12.Signal=USB_DP
PC13-TAMPER-RTC.GPIOParameters=GPIO_Label
PC13-TAMPER-RTC.GPIO_Label=BUILTIN_LED
PC13-TAMPER-RTC.Locked=true
PC13-TAMPER-RTC.Signal=GPIO_Output
PC14-OSC32_IN.Mode=LSE-External-Oscillator
PC14-OSC32_IN.Signal=RCC_OSC32_IN
PC15-OSC32_OUT.Mode=LSE-External-Oscillator
PC15-OSC32_OUT.Signal=RCC_OSC32_OUT
PCC.Checker=false
PCC.Line=STM32F103
PCC.MCU=STM32F103C(8-B)Tx
PCC.PartNumber=STM32F103CBTx
PCC.Seq0=0
PCC.Series=STM32F1
PCC.Temperature=25
PCC.Vdd=3.3
PD0-OSC_IN.Mode=HSE-External-Oscillator
PD0-OSC_IN.Signal=RCC_OSC_IN
PD1-OSC_OUT.Mode=HSE-External-Oscillator
PD1-OSC_OUT.Signal=RCC_OSC_OUT
PinOutPanel.RotationAngle=0
RCC.ADCFreqValue=36000000
RCC.AHBFreq_Value=72000000
RCC.APB1CLKDivider=RCC_HCLK_DIV2
RCC.APB1Freq_Value=36000000
RCC.APB1TimFreq_Value=72000000
RCC.APB2Freq_Value=72000000
RCC.APB2TimFreq_Value=72000000
RCC.FCLKCortexFreq_Value=72000000
RCC.FamilyName=M
RCC.HCLKFreq_Value=72000000
RCC.IPParameters=ADCFreqValue,AHBFreq_Value,APB1CLKDivider,APB1Freq_Value,APB1TimFreq_Value,APB2Freq_Value,APB2TimFreq_Value,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,MCOFreq_Value,PLLCLKFreq_Value,PLLMCOFreq_Value,PLLMUL,PLLSourceVirtual,RTCClockSelection,RTCFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,TimSysFreq_Value,USBFreq_Value,USBPrescaler,VCOOutput2Freq_Value
RCC.MCOFreq_Value=72000000
RCC.PLLCLKFreq_Value=72000000
RCC.PLLMCOFreq_Value=36000000
RCC.PLLMUL=RCC_PLL_MUL9
RCC.PLLSourceVirtual=RCC_PLLSOURCE_HSE
RCC.RTCClockSelection=RCC_RTCCLKSOURCE_LSE
RCC.RTCFreq_Value=32768
RCC.SYSCLKFreq_VALUE=72000000
RCC.SYSCLKSource=RCC_SYSCLKSOURCE_PLLCLK
RCC.TimSysFreq_Value=72000000
RCC.USBFreq_Value=48000000
RCC.USBPrescaler=RCC_USBCLKSOURCE_PLL_DIV1_5
RCC.VCOOutput2Freq_Value=8000000
VP_RTC_No_RTC_Output.Mode=RTC_OUT_NO
VP_RTC_No_RTC_Output.Signal=RTC_No_RTC_Output
VP_RTC_VS_RTC_Activate.Mode=RTC_Enabled
VP_RTC_VS_RTC_Activate.Signal=RTC_VS_RTC_Activate
VP_RTC_VS_RTC_Calendar.Mode=RTC_Calendar
VP_RTC_VS_RTC_Calendar.Signal=RTC_VS_RTC_Calendar
VP_SYS_VS_ND.Mode=No_Debug
VP_SYS_VS_ND.Signal=SYS_VS_ND
VP_SYS_VS_Systick.Mode=SysTick
VP_SYS_VS_Systick.Signal=SYS_VS_Systick
board=custom

Find out more at https://www.onetransistor.eu/2018/09/stm32cube-code-init-bluepill.html

Cool stuff, but trying to open the .io file gives me an error unfortunately