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MX_I2C2_Init used but never define H7A3
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2023-09-30 06:03 PM
I encountered this error when configuring I2C2 on H7A3 board, fast mode, i2c enabled, and code auto generated from ioc. anyone can kindly advise?
MX_I2C2_Init used but never define
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STM32H7 series
9 REPLIES 9
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2023-09-30 06:17 PM
full error msg: ../Core/Src/main.c:211:13: error: invalid storage class for function 'MX_I2C2_Init' at line that say : static void MX_I2C2_Init(void);
whats happening ??
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2023-09-30 10:49 PM
Missing forward declaration for MX_I2C2_Init?
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2023-10-01 06:38 AM
the I2C2 was generate from the ioc GUI, how could it be missing? Any idea ?
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2023-10-01 10:23 AM
Include the relevant files (main.c and *.ioc).
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2023-10-02 02:38 AM
Hello @StanCosgrove ,
I couldn't reproduce this issue .
Could you please share the .ioc file ?
Foued
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2023-10-02 06:31 AM
Hi Foued_KH, Sure, there u go...
#MicroXplorer Configuration settings - do not modify
File.Version=6
I2C2.I2C_Speed_Mode=I2C_Fast
I2C2.IPParameters=Timing,I2C_Speed_Mode
I2C2.Timing=0x009032AE
KeepUserPlacement=false
Mcu.CPN=STM32H7A3ZIT6Q
Mcu.Family=STM32H7
Mcu.IP0=CORTEX_M7
Mcu.IP1=DEBUG
Mcu.IP2=I2C2
Mcu.IP3=NVIC
Mcu.IP4=RCC
Mcu.IP5=SYS
Mcu.IPNb=6
Mcu.Name=STM32H7A3Z(G-I)TxQ
Mcu.Package=LQFP144
Mcu.Pin0=PC13
Mcu.Pin1=PC14-OSC32_IN
Mcu.Pin2=PC15-OSC32_OUT
Mcu.Pin3=PH0-OSC_IN
Mcu.Pin4=PB10
Mcu.Pin5=PB11
Mcu.Pin6=PA13
Mcu.Pin7=PA14
Mcu.Pin8=PB3
Mcu.Pin9=VP_SYS_VS_Systick
Mcu.PinsNb=10
Mcu.ThirdPartyNb=0
Mcu.UserConstants=
Mcu.UserName=STM32H7A3ZITxQ
MxCube.Version=6.5.0
MxDb.Version=DB.6.0.50
NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:true
NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:true
NVIC.ForceEnableDMAVector=true
NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:true
NVIC.MemoryManagement_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:true
NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:true
NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:true
NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4
NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:true
NVIC.SysTick_IRQn=true\:0\:0\:false\:false\:true\:false\:true\:true
NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:true
PA13.Mode=Trace_Asynchronous_SW
PA13.Signal=DEBUG_JTMS-SWDIO
PA14.Mode=Trace_Asynchronous_SW
PA14.Signal=DEBUG_JTCK-SWCLK
PB10.Locked=true
PB10.Mode=I2C
PB10.Signal=I2C2_SCL
PB11.Locked=true
PB11.Mode=I2C
PB11.Signal=I2C2_SDA
PB3.Mode=Trace_Asynchronous_SW
PB3.Signal=DEBUG_JTDO-SWO
PC13.GPIOParameters=GPIO_Label
PC13.GPIO_Label=BTN
PC13.Locked=true
PC13.Signal=GPIO_Input
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
PH0-OSC_IN.Mode=HSE-External-Clock-Source
PH0-OSC_IN.Signal=RCC_OSC_IN
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=STM32H7A3ZITxQ
ProjectManager.FirmwarePackage=STM32Cube FW_H7 V1.10.0
ProjectManager.FreePins=false
ProjectManager.HalAssertFull=false
ProjectManager.HeapSize=0x200
ProjectManager.KeepUserCode=true
ProjectManager.LastFirmware=true
ProjectManager.LibraryCopy=1
ProjectManager.MainLocation=Core/Src
ProjectManager.NoMain=false
ProjectManager.PreviousToolchain=
ProjectManager.ProjectBuild=false
ProjectManager.ProjectFileName=My_OLED_SSD1306_I2C.ioc
ProjectManager.ProjectName=My_OLED_SSD1306_I2C
ProjectManager.RegisterCallBack=
ProjectManager.StackSize=0x400
ProjectManager.TargetToolchain=STM32CubeIDE
ProjectManager.ToolChainLocation=
ProjectManager.UnderRoot=true
ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_I2C2_Init-I2C2-false-HAL-true,0-MX_CORTEX_M7_Init-CORTEX_M7-false-HAL-true
RCC.ADCFreq_Value=16125000
RCC.AHB12Freq_Value=96000000
RCC.AHB4Freq_Value=96000000
RCC.APB1Freq_Value=96000000
RCC.APB2Freq_Value=96000000
RCC.APB3Freq_Value=96000000
RCC.APB4Freq_Value=96000000
RCC.AXIClockFreq_Value=96000000
RCC.CDCPREFreq_Value=96000000
RCC.CECFreq_Value=32000
RCC.CKPERFreq_Value=64000000
RCC.CortexFreq_Value=96000000
RCC.CpuClockFreq_Value=96000000
RCC.DAC1Freq_Value=32000
RCC.DFSDM2ACLkFreq_Value=96000000
RCC.DFSDM2Freq_Value=96000000
RCC.DFSDMACLkFreq_Value=48000000
RCC.DFSDMFreq_Value=96000000
RCC.DIVM1=1
RCC.DIVM3=1
RCC.DIVN1=24
RCC.DIVN3=24
RCC.DIVP1Freq_Value=96000000
RCC.DIVP2Freq_Value=16125000
RCC.DIVP3Freq_Value=96000000
RCC.DIVQ1=4
RCC.DIVQ1Freq_Value=48000000
RCC.DIVQ2Freq_Value=16125000
RCC.DIVQ3Freq_Value=96000000
RCC.DIVR1Freq_Value=96000000
RCC.DIVR2Freq_Value=16125000
RCC.DIVR3Freq_Value=96000000
RCC.FDCANFreq_Value=48000000
RCC.FMCFreq_Value=96000000
RCC.FamilyName=M
RCC.HCLK3ClockFreq_Value=96000000
RCC.HCLKFreq_Value=96000000
RCC.HSE_VALUE=8000000
RCC.I2C123Freq_Value=96000000
RCC.I2C4Freq_Value=96000000
RCC.IPParameters=ADCFreq_Value,AHB12Freq_Value,AHB4Freq_Value,APB1Freq_Value,APB2Freq_Value,APB3Freq_Value,APB4Freq_Value,AXIClockFreq_Value,CDCPREFreq_Value,CECFreq_Value,CKPERFreq_Value,CortexFreq_Value,CpuClockFreq_Value,DAC1Freq_Value,DFSDM2ACLkFreq_Value,DFSDM2Freq_Value,DFSDMACLkFreq_Value,DFSDMFreq_Value,DIVM1,DIVM3,DIVN1,DIVN3,DIVP1Freq_Value,DIVP2Freq_Value,DIVP3Freq_Value,DIVQ1,DIVQ1Freq_Value,DIVQ2Freq_Value,DIVQ3Freq_Value,DIVR1Freq_Value,DIVR2Freq_Value,DIVR3Freq_Value,FDCANFreq_Value,FMCFreq_Value,FamilyName,HCLK3ClockFreq_Value,HCLKFreq_Value,HSE_VALUE,I2C123Freq_Value,I2C4Freq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPTIM345Freq_Value,LPUART1Freq_Value,LTDCFreq_Value,MCO1PinFreq_Value,MCO2PinFreq_Value,PLLFRACN,PLLSourceVirtual,PWR_Regulator_Voltage_Scale,QSPIFreq_Value,RNGFreq_Value,RTCFreq_Value,SAI1Freq_Value,SAI2AFreq_Value,SAI2BFreq_Value,SDMMCFreq_Value,SPDIFRXFreq_Value,SPI123Freq_Value,SPI45Freq_Value,SPI6Freq_Value,SWPMI1Freq_Value,SYSCLKFreq_VALUE,SYSCLKSource,SupplySource,Tim1OutputFreq_Value,Tim2OutputFreq_Value,TraceFreq_Value,USART16Freq_Value,USART234578Freq_Value,USBCLockSelection,USBFreq_Value,VCO1OutputFreq_Value,VCO2OutputFreq_Value,VCO3OutputFreq_Value,VCOInput1Freq_Value,VCOInput2Freq_Value,VCOInput3Freq_Value
RCC.LPTIM1Freq_Value=96000000
RCC.LPTIM2Freq_Value=96000000
RCC.LPTIM345Freq_Value=96000000
RCC.LPUART1Freq_Value=96000000
RCC.LTDCFreq_Value=96000000
RCC.MCO1PinFreq_Value=64000000
RCC.MCO2PinFreq_Value=96000000
RCC.PLLFRACN=0
RCC.PLLSourceVirtual=RCC_PLLSOURCE_HSE
RCC.PWR_Regulator_Voltage_Scale=PWR_REGULATOR_VOLTAGE_SCALE0
RCC.QSPIFreq_Value=96000000
RCC.RNGFreq_Value=48000000
RCC.RTCFreq_Value=32000
RCC.SAI1Freq_Value=48000000
RCC.SAI2AFreq_Value=48000000
RCC.SAI2BFreq_Value=48000000
RCC.SDMMCFreq_Value=48000000
RCC.SPDIFRXFreq_Value=48000000
RCC.SPI123Freq_Value=48000000
RCC.SPI45Freq_Value=96000000
RCC.SPI6Freq_Value=96000000
RCC.SWPMI1Freq_Value=96000000
RCC.SYSCLKFreq_VALUE=96000000
RCC.SYSCLKSource=RCC_SYSCLKSOURCE_PLLCLK
RCC.SupplySource=PWR_DIRECT_SMPS_SUPPLY
RCC.Tim1OutputFreq_Value=96000000
RCC.Tim2OutputFreq_Value=96000000
RCC.TraceFreq_Value=96000000
RCC.USART16Freq_Value=96000000
RCC.USART234578Freq_Value=96000000
RCC.USBCLockSelection=RCC_USBCLKSOURCE_HSI48
RCC.USBFreq_Value=48000000
RCC.VCO1OutputFreq_Value=192000000
RCC.VCO2OutputFreq_Value=32250000
RCC.VCO3OutputFreq_Value=192000000
RCC.VCOInput1Freq_Value=8000000
RCC.VCOInput2Freq_Value=250000
RCC.VCOInput3Freq_Value=8000000
VP_SYS_VS_Systick.Mode=SysTick
VP_SYS_VS_Systick.Signal=SYS_VS_Systick
board=NUCLEO-H7A3ZI-Q
boardIOC=true
isbadioc=false
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2023-10-02 06:55 AM
The project builds with no errors for me.
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2023-10-02 07:00 AM
Hi @StanCosgrove ,
Could you please use the latest version .
Foued
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2023-10-02 06:07 PM
I had been using this version since 2020 and no problem arise, I had also try to update the STM32CubeIDE but cant with error msg again!
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