# Static Call Graph for image .\STM320518\STM320518-EVAL.axf

#<CALLGRAPH># ARM Linker, 4.1 [Build 894]: Last Updated: Fri Jun 29 22:26:21 2012

### Maximum Stack Usage = 84 bytes + Unknown(Cycles, Untraceable Function Pointers)

### Call chain for Maximum Stack Depth:

main ⇒ COMP_Config ⇒ GPIO_Init

### Mutually Recursive functions

- CEC_IRQHandler ⇒ CEC_IRQHandler
- HardFault_Handler ⇒ HardFault_Handler

  ### Function Pointers

  - ADC1_COMP_IRQHandler from stm32f0xx_it.o(i.ADC1_COMP_IRQHandler) referenced from startup_stm32f0xx.o(RESET)
  - CEC_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - DMA1_Channel1_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - DMA1_Channel2_3_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - DMA1_Channel4_5_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - EXTI0_1_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - EXTI2_3_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - EXTI4_15_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - FLASH_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - HardFault_Handler from stm32f0xx_it.o(i.HardFault_Handler) referenced from startup_stm32f0xx.o(RESET)
  - I2C1_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - I2C2_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - NMI_Handler from stm32f0xx_it.o(i.NMI_Handler) referenced from startup_stm32f0xx.o(RESET)
  - PVD_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - PendSV_Handler from stm32f0xx_it.o(i.PendSV_Handler) referenced from startup_stm32f0xx.o(RESET)
  - RCC_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - RTC_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - Reset_Handler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - SPI1_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - SPI2_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - SVC_Handler from stm32f0xx_it.o(i.SVC_Handler) referenced from startup_stm32f0xx.o(RESET)
  - SysTick_Handler from stm32f0xx_it.o(i.SysTick_Handler) referenced from startup_stm32f0xx.o(RESET)
  - SystemInit from system_stm32f0xx.o(i.SystemInit) referenced from startup_stm32f0xx.o(.text)
  - TIM14_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - TIM15_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - TIM16_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - TIM17_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - TIM1_BRK_UP_TRG_COM_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - TIM1_CC_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - TIM2_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - TIM3_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - TIM6_DAC_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - TS_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - USART1_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - USART2_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - WWDG_IRQHandler from startup_stm32f0xx.o(.text) referenced from startup_stm32f0xx.o(RESET)
  - __main from entry.o(.ARM.Collect$$$$00000000) referenced from startup_stm32f0xx.o(.text)
  - main from main.o(i.main) referenced from entry8.o(.ARM.Collect$$$$00000009)

  ### Global Symbols

  __main (Thumb, 0 bytes, Stack size unknown bytes, entry.o(.ARM.Collect$$$$00000000))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(.text)

  _main_stk (Thumb, 0 bytes, Stack size unknown bytes, entry2.o(.ARM.Collect$$$$00000001))

  _main_scatterload (Thumb, 0 bytes, Stack size unknown bytes, entry5.o(.ARM.Collect$$$$00000004))
  [Calls]

  - >> __scatterload

  __main_after_scatterload (Thumb, 0 bytes, Stack size unknown bytes, entry5.o(.ARM.Collect$$$$00000004))
  [Called By]

  - >> __scatterload

  _main_clock (Thumb, 0 bytes, Stack size unknown bytes, entry7b.o(.ARM.Collect$$$$00000008))

  _main_init (Thumb, 0 bytes, Stack size unknown bytes, entry8.o(.ARM.Collect$$$$00000009))

  Reset_Handler (Thumb, 8 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  CEC_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Calls]

  - >> CEC_IRQHandler
  [Called By]
  - >> CEC_IRQHandler
  [Address Reference Count : 1]
  - startup_stm32f0xx.o(RESET)

  DMA1_Channel1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  DMA1_Channel2_3_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  DMA1_Channel4_5_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  EXTI0_1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  EXTI2_3_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  EXTI4_15_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  FLASH_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  I2C1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  I2C2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  PVD_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  RCC_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  RTC_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  SPI1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  SPI2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  TIM14_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  TIM15_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  TIM16_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  TIM17_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  TIM1_BRK_UP_TRG_COM_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  TIM1_CC_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  TIM2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  TIM3_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  TIM6_DAC_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  TS_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  USART1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  USART2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  WWDG_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  __scatterload (Thumb, 28 bytes, Stack size 0 bytes, init.o(.text))
  [Calls]

  - >> __main_after_scatterload
  [Called By]
  - >> _main_scatterload

  __scatterload_rt2 (Thumb, 0 bytes, Stack size 0 bytes, init.o(.text), UNUSED)

  ADC1_COMP_IRQHandler (Thumb, 46 bytes, Stack size 16 bytes, stm32f0xx_it.o(i.ADC1_COMP_IRQHandler))
  [Stack]

  - Max Depth = 40
  - Call Chain = ADC1_COMP_IRQHandler ⇒ CheckState ⇒ COMP_GetOutputLevel
  [Calls]
  - >> EXTI_GetITStatus
  - >> EXTI_ClearITPendingBit
  - >> CheckState
  [Address Reference Count : 1]
  - startup_stm32f0xx.o(RESET)

  COMP_Cmd (Thumb, 22 bytes, Stack size 0 bytes, stm32f0xx_comp.o(i.COMP_Cmd))
  [Called By]

  - >> COMP_Config

  COMP_Config (Thumb, 182 bytes, Stack size 64 bytes, main.o(i.COMP_Config))
  [Stack]

  - Max Depth = 84
  - Call Chain = COMP_Config ⇒ GPIO_Init
  [Calls]
  - >> RCC_APB2PeriphClockCmd
  - >> RCC_AHBPeriphClockCmd
  - >> NVIC_Init
  - >> GPIO_Init
  - >> EXTI_Init
  - >> EXTI_ClearITPendingBit
  - >> COMP_WindowCmd
  - >> COMP_StructInit
  - >> COMP_Init
  - >> COMP_Cmd
  [Called By]
  - >> main

  COMP_GetOutputLevel (Thumb, 26 bytes, Stack size 8 bytes, stm32f0xx_comp.o(i.COMP_GetOutputLevel))
  [Stack]

  - Max Depth = 8
  - Call Chain = COMP_GetOutputLevel
  [Called By]
  - >> CheckState

  COMP_Init (Thumb, 38 bytes, Stack size 16 bytes, stm32f0xx_comp.o(i.COMP_Init))
  [Stack]

  - Max Depth = 16
  - Call Chain = COMP_Init
  [Called By]
  - >> COMP_Config

  COMP_StructInit (Thumb, 16 bytes, Stack size 0 bytes, stm32f0xx_comp.o(i.COMP_StructInit))
  [Called By]

  - >> COMP_Config

  COMP_WindowCmd (Thumb, 20 bytes, Stack size 0 bytes, stm32f0xx_comp.o(i.COMP_WindowCmd))
  [Called By]

  - >> COMP_Config

  CheckState (Thumb, 82 bytes, Stack size 16 bytes, main.o(i.CheckState))
  [Stack]

  - Max Depth = 24
  - Call Chain = CheckState ⇒ COMP_GetOutputLevel
  [Calls]
  - >> COMP_GetOutputLevel
  [Called By]
  - >> ADC1_COMP_IRQHandler
  - >> main

  EXTI_ClearITPendingBit (Thumb, 6 bytes, Stack size 0 bytes, stm32f0xx_exti.o(i.EXTI_ClearITPendingBit))
  [Called By]

  - >> ADC1_COMP_IRQHandler
  - >> COMP_Config

  EXTI_GetITStatus (Thumb, 24 bytes, Stack size 0 bytes, stm32f0xx_exti.o(i.EXTI_GetITStatus))
  [Called By]

  - >> ADC1_COMP_IRQHandler

  EXTI_Init (Thumb, 102 bytes, Stack size 8 bytes, stm32f0xx_exti.o(i.EXTI_Init))
  [Stack]

  - Max Depth = 8
  - Call Chain = EXTI_Init
  [Called By]
  - >> COMP_Config

  FLASH_SetLatency (Thumb, 14 bytes, Stack size 0 bytes, stm32f0xx_flash.o(i.FLASH_SetLatency))
  [Called By]

  - >> RestoreConfiguration

  GPIO_Init (Thumb, 112 bytes, Stack size 20 bytes, stm32f0xx_gpio.o(i.GPIO_Init))
  [Stack]

  - Max Depth = 20
  - Call Chain = GPIO_Init
  [Called By]
  - >> STM_EVAL_LEDInit
  - >> STOPEntry
  - >> COMP_Config

  HardFault_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f0xx_it.o(i.HardFault_Handler))
  [Calls]

  - >> HardFault_Handler
  [Called By]
  - >> HardFault_Handler
  [Address Reference Count : 1]
  - startup_stm32f0xx.o(RESET)

  NMI_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f0xx_it.o(i.NMI_Handler))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  NVIC_Init (Thumb, 70 bytes, Stack size 12 bytes, stm32f0xx_misc.o(i.NVIC_Init))
  [Stack]

  - Max Depth = 12
  - Call Chain = NVIC_Init
  [Called By]
  - >> COMP_Config

  PWR_EnterSTOPMode (Thumb, 40 bytes, Stack size 0 bytes, stm32f0xx_pwr.o(i.PWR_EnterSTOPMode))
  [Called By]

  - >> STOPEntry

  PendSV_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f0xx_it.o(i.PendSV_Handler))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  RCC_AHBPeriphClockCmd (Thumb, 18 bytes, Stack size 0 bytes, stm32f0xx_rcc.o(i.RCC_AHBPeriphClockCmd))
  [Called By]

  - >> STM_EVAL_LEDInit
  - >> STOPEntry
  - >> COMP_Config

  RCC_APB1PeriphClockCmd (Thumb, 18 bytes, Stack size 0 bytes, stm32f0xx_rcc.o(i.RCC_APB1PeriphClockCmd))
  [Called By]

  - >> main

  RCC_APB2PeriphClockCmd (Thumb, 18 bytes, Stack size 0 bytes, stm32f0xx_rcc.o(i.RCC_APB2PeriphClockCmd))
  [Called By]

  - >> COMP_Config

  RCC_GetFlagStatus (Thumb, 48 bytes, Stack size 0 bytes, stm32f0xx_rcc.o(i.RCC_GetFlagStatus))
  [Called By]

  - >> RCC_WaitForHSEStartUp

  RCC_HCLKConfig (Thumb, 14 bytes, Stack size 0 bytes, stm32f0xx_rcc.o(i.RCC_HCLKConfig))
  [Called By]

  - >> RestoreConfiguration

  RCC_HSEConfig (Thumb, 10 bytes, Stack size 0 bytes, stm32f0xx_rcc.o(i.RCC_HSEConfig))
  [Called By]

  - >> RestoreConfiguration

  RCC_PCLKConfig (Thumb, 16 bytes, Stack size 0 bytes, stm32f0xx_rcc.o(i.RCC_PCLKConfig))
  [Called By]

  - >> RestoreConfiguration

  RCC_PLLCmd (Thumb, 22 bytes, Stack size 0 bytes, stm32f0xx_rcc.o(i.RCC_PLLCmd))
  [Called By]

  - >> RestoreConfiguration

  RCC_PLLConfig (Thumb, 24 bytes, Stack size 8 bytes, stm32f0xx_rcc.o(i.RCC_PLLConfig))
  [Stack]

  - Max Depth = 8
  - Call Chain = RCC_PLLConfig
  [Called By]
  - >> RestoreConfiguration

  RCC_PREDIV1Config (Thumb, 14 bytes, Stack size 0 bytes, stm32f0xx_rcc.o(i.RCC_PREDIV1Config))
  [Called By]

  - >> RestoreConfiguration

  RCC_SYSCLKConfig (Thumb, 14 bytes, Stack size 0 bytes, stm32f0xx_rcc.o(i.RCC_SYSCLKConfig))
  [Called By]

  - >> RestoreConfiguration

  RCC_WaitForHSEStartUp (Thumb, 38 bytes, Stack size 12 bytes, stm32f0xx_rcc.o(i.RCC_WaitForHSEStartUp))
  [Stack]

  - Max Depth = 12
  - Call Chain = RCC_WaitForHSEStartUp
  [Calls]
  - >> RCC_GetFlagStatus
  [Called By]
  - >> RestoreConfiguration

  RestoreConfiguration (Thumb, 62 bytes, Stack size 8 bytes, main.o(i.RestoreConfiguration))
  [Stack]

  - Max Depth = 20
  - Call Chain = RestoreConfiguration ⇒ RCC_WaitForHSEStartUp
  [Calls]
  - >> RCC_WaitForHSEStartUp
  - >> RCC_SYSCLKConfig
  - >> RCC_PREDIV1Config
  - >> RCC_PLLConfig
  - >> RCC_PLLCmd
  - >> RCC_PCLKConfig
  - >> RCC_HSEConfig
  - >> RCC_HCLKConfig
  - >> FLASH_SetLatency
  [Called By]
  - >> main

  STM_EVAL_LEDInit (Thumb, 58 bytes, Stack size 32 bytes, stm320518_eval.o(i.STM_EVAL_LEDInit))
  [Stack]

  - Max Depth = 52
  - Call Chain = STM_EVAL_LEDInit ⇒ GPIO_Init
  [Calls]
  - >> RCC_AHBPeriphClockCmd
  - >> GPIO_Init
  [Called By]
  - >> main

  STM_EVAL_LEDOff (Thumb, 16 bytes, Stack size 0 bytes, stm320518_eval.o(i.STM_EVAL_LEDOff))
  [Called By]

  - >> main

  STM_EVAL_LEDOn (Thumb, 16 bytes, Stack size 0 bytes, stm320518_eval.o(i.STM_EVAL_LEDOn))
  [Called By]

  - >> main

  STOPEntry (Thumb, 78 bytes, Stack size 16 bytes, main.o(i.STOPEntry))
  [Stack]

  - Max Depth = 36
  - Call Chain = STOPEntry ⇒ GPIO_Init
  [Calls]
  - >> RCC_AHBPeriphClockCmd
  - >> PWR_EnterSTOPMode
  - >> GPIO_Init
  [Called By]
  - >> main

  SVC_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f0xx_it.o(i.SVC_Handler))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  SysTick_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f0xx_it.o(i.SysTick_Handler))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  SystemInit (Thumb, 84 bytes, Stack size 8 bytes, system_stm32f0xx.o(i.SystemInit))
  [Stack]

  - Max Depth = 16
  - Call Chain = SystemInit ⇒ SetSysClock
  [Calls]
  - >> SetSysClock
  [Address Reference Count : 1]
  - startup_stm32f0xx.o(.text)

  __scatterload_copy (Thumb, 14 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_copy), UNUSED)

  __scatterload_null (Thumb, 2 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_null), UNUSED)

  __scatterload_zeroinit (Thumb, 14 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_zeroinit), UNUSED)

  main (Thumb, 180 bytes, Stack size 0 bytes, main.o(i.main))
  [Stack]

  - Max Depth = 84
  - Call Chain = main ⇒ COMP_Config ⇒ GPIO_Init
  [Calls]
  - >> STM_EVAL_LEDOn
  - >> STM_EVAL_LEDOff
  - >> STM_EVAL_LEDInit
  - >> RCC_APB1PeriphClockCmd
  - >> STOPEntry
  - >> RestoreConfiguration
  - >> CheckState
  - >> COMP_Config
  [Address Reference Count : 1]
  - entry8.o(.ARM.Collect$$$$00000009)

  ### Local Symbols

  SetSysClock (Thumb, 120 bytes, Stack size 8 bytes, system_stm32f0xx.o(i.SetSysClock))
  [Stack]

  - Max Depth = 8
  - Call Chain = SetSysClock
  [Called By]
  - >> SystemInit

  ### Undefined Global Symbols