# Static Call Graph for image .\Output\TIM1_ARR.axf

#<CALLGRAPH># ARM Linker, 5060960: Last Updated: Thu Aug 14 17:08:21 2025

### Maximum Stack Usage = 128 bytes + Unknown(Cycles, Untraceable Function Pointers)

### Call chain for Maximum Stack Depth:

main ⇒ $Super$$main ⇒ APP_SystemClockConfig ⇒ HAL_RCC_OscConfig ⇒ HAL_InitTick ⇒ HAL_SYSTICK_Config ⇒ NVIC_SetPriority

### Mutually Recursive functions

- ADC_COMP_IRQHandler ⇒ ADC_COMP_IRQHandler

  ### Function Pointers

  - ADC_COMP_IRQHandler from startup_py32f002xx.o(.text) referenced from startup_py32f002xx.o(RESET)
  - EXTI0_1_IRQHandler from startup_py32f002xx.o(.text) referenced from startup_py32f002xx.o(RESET)
  - EXTI2_3_IRQHandler from startup_py32f002xx.o(.text) referenced from startup_py32f002xx.o(RESET)
  - EXTI4_15_IRQHandler from startup_py32f002xx.o(.text) referenced from startup_py32f002xx.o(RESET)
  - FLASH_IRQHandler from startup_py32f002xx.o(.text) referenced from startup_py32f002xx.o(RESET)
  - HardFault_Handler from py32f0xx_it.o(i.HardFault_Handler) referenced from startup_py32f002xx.o(RESET)
  - I2C1_IRQHandler from startup_py32f002xx.o(.text) referenced from startup_py32f002xx.o(RESET)
  - LPTIM1_IRQHandler from startup_py32f002xx.o(.text) referenced from startup_py32f002xx.o(RESET)
  - NMI_Handler from py32f0xx_it.o(i.NMI_Handler) referenced from startup_py32f002xx.o(RESET)
  - PendSV_Handler from py32f0xx_it.o(i.PendSV_Handler) referenced from startup_py32f002xx.o(RESET)
  - RCC_IRQHandler from startup_py32f002xx.o(.text) referenced from startup_py32f002xx.o(RESET)
  - Reset_Handler from startup_py32f002xx.o(.text) referenced from startup_py32f002xx.o(RESET)
  - SPI1_IRQHandler from startup_py32f002xx.o(.text) referenced from startup_py32f002xx.o(RESET)
  - SVC_Handler from py32f0xx_it.o(i.SVC_Handler) referenced from startup_py32f002xx.o(RESET)
  - SysTick_Handler from py32f0xx_it.o(i.SysTick_Handler) referenced from startup_py32f002xx.o(RESET)
  - SystemInit from system_py32f0xx.o(i.SystemInit) referenced from startup_py32f002xx.o(.text)
  - TIM16_IRQHandler from startup_py32f002xx.o(.text) referenced from startup_py32f002xx.o(RESET)
  - TIM1_BRK_UP_TRG_COM_IRQHandler from py32f0xx_it.o(i.TIM1_BRK_UP_TRG_COM_IRQHandler) referenced from startup_py32f002xx.o(RESET)
  - TIM1_CC_IRQHandler from startup_py32f002xx.o(.text) referenced from startup_py32f002xx.o(RESET)
  - USART1_IRQHandler from startup_py32f002xx.o(.text) referenced from startup_py32f002xx.o(RESET)
  - __main from entry.o(.ARM.Collect$$$$00000000) referenced from startup_py32f002xx.o(.text)
  - main from system_py32f0xx.o(i.$Sub$$main) referenced from entry9a.o(.ARM.Collect$$$$0000000B)

  ### Global Symbols

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

  - startup_py32f002xx.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_cpp_init (Thumb, 0 bytes, Stack size unknown bytes, entry8b.o(.ARM.Collect$$$$0000000A))

  _main_init (Thumb, 0 bytes, Stack size unknown bytes, entry9a.o(.ARM.Collect$$$$0000000B))

  __rt_lib_shutdown_fini (Thumb, 0 bytes, Stack size unknown bytes, entry12b.o(.ARM.Collect$$$$0000000E))
  [Calls]

  - >> __arm_fini_ (Weak Reference)

  __rt_final_cpp (Thumb, 0 bytes, Stack size unknown bytes, entry10a.o(.ARM.Collect$$$$0000000F))

  __rt_final_exit (Thumb, 0 bytes, Stack size unknown bytes, entry11a.o(.ARM.Collect$$$$00000011))

  Reset_Handler (Thumb, 8 bytes, Stack size 0 bytes, startup_py32f002xx.o(.text))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  ADC_COMP_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_py32f002xx.o(.text))
  [Calls]

  - >> ADC_COMP_IRQHandler
  [Called By]
  - >> ADC_COMP_IRQHandler
  [Address Reference Count : 1]
  - startup_py32f002xx.o(RESET)

  EXTI0_1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_py32f002xx.o(.text))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  EXTI2_3_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_py32f002xx.o(.text))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  EXTI4_15_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_py32f002xx.o(.text))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  FLASH_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_py32f002xx.o(.text))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  I2C1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_py32f002xx.o(.text))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  LPTIM1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_py32f002xx.o(.text))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  RCC_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_py32f002xx.o(.text))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  SPI1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_py32f002xx.o(.text))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  TIM16_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_py32f002xx.o(.text))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  TIM1_CC_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_py32f002xx.o(.text))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  USART1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_py32f002xx.o(.text))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  __aeabi_uidiv (Thumb, 0 bytes, Stack size 12 bytes, uidiv.o(.text), UNUSED)

  __aeabi_uidivmod (Thumb, 44 bytes, Stack size 12 bytes, uidiv.o(.text))
  [Stack]

  - Max Depth = 12
  - Call Chain = __aeabi_uidivmod
  [Called By]
  - >> HAL_InitTick

  __aeabi_memcpy (Thumb, 36 bytes, Stack size 0 bytes, memcpya.o(.text), UNUSED)

  __aeabi_memcpy4 (Thumb, 0 bytes, Stack size 0 bytes, memcpya.o(.text))
  [Called By]

  - >> HAL_RCC_GetSysClockFreq

  __aeabi_memcpy8 (Thumb, 0 bytes, Stack size 0 bytes, memcpya.o(.text), UNUSED)

  __aeabi_memset (Thumb, 14 bytes, Stack size 0 bytes, memseta.o(.text), UNUSED)
  [Called By]

  - >> _memset$wrapper
  - >> __aeabi_memclr

  __aeabi_memset4 (Thumb, 0 bytes, Stack size 0 bytes, memseta.o(.text), UNUSED)

  __aeabi_memset8 (Thumb, 0 bytes, Stack size 0 bytes, memseta.o(.text), UNUSED)

  __aeabi_memclr (Thumb, 4 bytes, Stack size 0 bytes, memseta.o(.text), UNUSED)
  [Calls]

  - >> __aeabi_memset

  __aeabi_memclr4 (Thumb, 0 bytes, Stack size 0 bytes, memseta.o(.text))
  [Called By]

  - >> APP_SystemClockConfig

  __aeabi_memclr8 (Thumb, 0 bytes, Stack size 0 bytes, memseta.o(.text), UNUSED)

  _memset$wrapper (Thumb, 18 bytes, Stack size 8 bytes, memseta.o(.text), UNUSED)
  [Calls]

  - >> __aeabi_memset

  __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)

  main (Thumb, 44 bytes, Stack size 16 bytes, system_py32f0xx.o(i.$Sub$$main))
  [Stack]

  - Max Depth = 128
  - Call Chain = main ⇒ $Super$$main ⇒ APP_SystemClockConfig ⇒ HAL_RCC_OscConfig ⇒ HAL_InitTick ⇒ HAL_SYSTICK_Config ⇒ NVIC_SetPriority
  [Calls]
  - >> $Super$$main
  [Address Reference Count : 1]
  - entry9a.o(.ARM.Collect$$$$0000000B)

  APP_ErrorHandler (Thumb, 4 bytes, Stack size 0 bytes, main.o(i.APP_ErrorHandler))
  [Called By]

  - >> APP_SystemClockConfig
  - >> $Super$$main

  BSP_LED_Init (Thumb, 92 bytes, Stack size 32 bytes, py32f002xx_start_kit.o(i.BSP_LED_Init))
  [Stack]

  - Max Depth = 48
  - Call Chain = BSP_LED_Init ⇒ HAL_GPIO_Init
  [Calls]
  - >> HAL_GPIO_WritePin
  - >> HAL_GPIO_Init
  [Called By]
  - >> HAL_MspInit

  BSP_LED_Toggle (Thumb, 22 bytes, Stack size 8 bytes, py32f002xx_start_kit.o(i.BSP_LED_Toggle))
  [Stack]

  - Max Depth = 8
  - Call Chain = BSP_LED_Toggle
  [Calls]
  - >> HAL_GPIO_TogglePin
  [Called By]
  - >> HAL_TIM_PeriodElapsedCallback

  HAL_GPIO_Init (Thumb, 428 bytes, Stack size 16 bytes, py32f0xx_hal_gpio.o(i.HAL_GPIO_Init))
  [Stack]

  - Max Depth = 16
  - Call Chain = HAL_GPIO_Init
  [Called By]
  - >> BSP_LED_Init

  HAL_GPIO_TogglePin (Thumb, 16 bytes, Stack size 0 bytes, py32f0xx_hal_gpio.o(i.HAL_GPIO_TogglePin))
  [Called By]

  - >> BSP_LED_Toggle

  HAL_GPIO_WritePin (Thumb, 12 bytes, Stack size 0 bytes, py32f0xx_hal_gpio.o(i.HAL_GPIO_WritePin))
  [Called By]

  - >> BSP_LED_Init

  HAL_GetTick (Thumb, 6 bytes, Stack size 0 bytes, py32f0xx_hal.o(i.HAL_GetTick))
  [Called By]

  - >> HAL_RCC_OscConfig
  - >> HAL_RCC_ClockConfig

  HAL_IncTick (Thumb, 16 bytes, Stack size 0 bytes, py32f0xx_hal.o(i.HAL_IncTick))
  [Called By]

  - >> SysTick_Handler

  HAL_Init (Thumb, 26 bytes, Stack size 8 bytes, py32f0xx_hal.o(i.HAL_Init))
  [Stack]

  - Max Depth = 64
  - Call Chain = HAL_Init ⇒ HAL_MspInit ⇒ BSP_LED_Init ⇒ HAL_GPIO_Init
  [Calls]
  - >> HAL_InitTick
  - >> HAL_MspInit
  [Called By]
  - >> $Super$$main

  HAL_InitTick (Thumb, 82 bytes, Stack size 24 bytes, py32f0xx_hal.o(i.HAL_InitTick))
  [Stack]

  - Max Depth = 48
  - Call Chain = HAL_InitTick ⇒ HAL_SYSTICK_Config ⇒ NVIC_SetPriority
  [Calls]
  - >> HAL_SYSTICK_Config
  - >> HAL_NVIC_SetPriority
  - >> __aeabi_uidivmod
  [Called By]
  - >> HAL_RCC_OscConfig
  - >> HAL_RCC_ClockConfig
  - >> HAL_Init

  HAL_MspInit (Thumb, 10 bytes, Stack size 8 bytes, py32f0xx_hal_msp.o(i.HAL_MspInit))
  [Stack]

  - Max Depth = 56
  - Call Chain = HAL_MspInit ⇒ BSP_LED_Init ⇒ HAL_GPIO_Init
  [Calls]
  - >> BSP_LED_Init
  [Called By]
  - >> HAL_Init

  HAL_NVIC_EnableIRQ (Thumb, 18 bytes, Stack size 0 bytes, py32f0xx_hal_cortex.o(i.HAL_NVIC_EnableIRQ))
  [Called By]

  - >> HAL_TIM_Base_MspInit

  HAL_NVIC_SetPriority (Thumb, 18 bytes, Stack size 16 bytes, py32f0xx_hal_cortex.o(i.HAL_NVIC_SetPriority))
  [Stack]

  - Max Depth = 24
  - Call Chain = HAL_NVIC_SetPriority ⇒ NVIC_SetPriority
  [Calls]
  - >> NVIC_SetPriority
  [Called By]
  - >> HAL_InitTick
  - >> HAL_TIM_Base_MspInit

  HAL_RCC_ClockConfig (Thumb, 394 bytes, Stack size 16 bytes, py32f0xx_hal_rcc.o(i.HAL_RCC_ClockConfig))
  [Stack]

  - Max Depth = 64
  - Call Chain = HAL_RCC_ClockConfig ⇒ HAL_InitTick ⇒ HAL_SYSTICK_Config ⇒ NVIC_SetPriority
  [Calls]
  - >> HAL_RCC_GetSysClockFreq
  - >> HAL_InitTick
  - >> HAL_GetTick
  [Called By]
  - >> APP_SystemClockConfig

  HAL_RCC_GetSysClockFreq (Thumb, 92 bytes, Stack size 32 bytes, py32f0xx_hal_rcc.o(i.HAL_RCC_GetSysClockFreq))
  [Stack]

  - Max Depth = 32
  - Call Chain = HAL_RCC_GetSysClockFreq
  [Calls]
  - >> __aeabi_memcpy4
  [Called By]
  - >> HAL_RCC_OscConfig
  - >> HAL_RCC_ClockConfig

  HAL_RCC_OscConfig (Thumb, 700 bytes, Stack size 16 bytes, py32f0xx_hal_rcc.o(i.HAL_RCC_OscConfig))
  [Stack]

  - Max Depth = 64
  - Call Chain = HAL_RCC_OscConfig ⇒ HAL_InitTick ⇒ HAL_SYSTICK_Config ⇒ NVIC_SetPriority
  [Calls]
  - >> HAL_RCC_GetSysClockFreq
  - >> HAL_InitTick
  - >> HAL_GetTick
  [Called By]
  - >> APP_SystemClockConfig

  HAL_SYSTICK_Config (Thumb, 46 bytes, Stack size 16 bytes, py32f0xx_hal_cortex.o(i.HAL_SYSTICK_Config))
  [Stack]

  - Max Depth = 24
  - Call Chain = HAL_SYSTICK_Config ⇒ NVIC_SetPriority
  [Calls]
  - >> NVIC_SetPriority
  [Called By]
  - >> HAL_InitTick

  HAL_TIMEx_BreakCallback (Thumb, 2 bytes, Stack size 0 bytes, py32f0xx_hal_tim_ex.o(i.HAL_TIMEx_BreakCallback))
  [Called By]

  - >> HAL_TIM_IRQHandler

  HAL_TIMEx_CommutCallback (Thumb, 2 bytes, Stack size 0 bytes, py32f0xx_hal_tim_ex.o(i.HAL_TIMEx_CommutCallback))
  [Called By]

  - >> HAL_TIM_IRQHandler

  HAL_TIM_Base_Init (Thumb, 46 bytes, Stack size 8 bytes, py32f0xx_hal_tim.o(i.HAL_TIM_Base_Init))
  [Stack]

  - Max Depth = 48
  - Call Chain = HAL_TIM_Base_Init ⇒ HAL_TIM_Base_MspInit ⇒ HAL_NVIC_SetPriority ⇒ NVIC_SetPriority
  [Calls]
  - >> HAL_TIM_Base_MspInit
  - >> TIM_Base_SetConfig
  [Called By]
  - >> $Super$$main

  HAL_TIM_Base_MspInit (Thumb, 52 bytes, Stack size 16 bytes, py32f0xx_hal_msp.o(i.HAL_TIM_Base_MspInit))
  [Stack]

  - Max Depth = 40
  - Call Chain = HAL_TIM_Base_MspInit ⇒ HAL_NVIC_SetPriority ⇒ NVIC_SetPriority
  [Calls]
  - >> HAL_NVIC_SetPriority
  - >> HAL_NVIC_EnableIRQ
  [Called By]
  - >> HAL_TIM_Base_Init

  HAL_TIM_Base_Start_IT (Thumb, 42 bytes, Stack size 0 bytes, py32f0xx_hal_tim.o(i.HAL_TIM_Base_Start_IT))
  [Called By]

  - >> $Super$$main

  HAL_TIM_IC_CaptureCallback (Thumb, 2 bytes, Stack size 0 bytes, py32f0xx_hal_tim.o(i.HAL_TIM_IC_CaptureCallback))
  [Called By]

  - >> HAL_TIM_IRQHandler

  HAL_TIM_IRQHandler (Thumb, 456 bytes, Stack size 8 bytes, py32f0xx_hal_tim.o(i.HAL_TIM_IRQHandler))
  [Stack]

  - Max Depth = 24
  - Call Chain = HAL_TIM_IRQHandler ⇒ HAL_TIM_PeriodElapsedCallback ⇒ BSP_LED_Toggle
  [Calls]
  - >> HAL_TIM_PeriodElapsedCallback
  - >> HAL_TIM_TriggerCallback
  - >> HAL_TIM_PWM_PulseFinishedCallback
  - >> HAL_TIM_OC_DelayElapsedCallback
  - >> HAL_TIM_IC_CaptureCallback
  - >> HAL_TIMEx_CommutCallback
  - >> HAL_TIMEx_BreakCallback
  [Called By]
  - >> TIM1_BRK_UP_TRG_COM_IRQHandler

  HAL_TIM_OC_DelayElapsedCallback (Thumb, 2 bytes, Stack size 0 bytes, py32f0xx_hal_tim.o(i.HAL_TIM_OC_DelayElapsedCallback))
  [Called By]

  - >> HAL_TIM_IRQHandler

  HAL_TIM_PWM_PulseFinishedCallback (Thumb, 2 bytes, Stack size 0 bytes, py32f0xx_hal_tim.o(i.HAL_TIM_PWM_PulseFinishedCallback))
  [Called By]

  - >> HAL_TIM_IRQHandler

  HAL_TIM_PeriodElapsedCallback (Thumb, 56 bytes, Stack size 8 bytes, main.o(i.HAL_TIM_PeriodElapsedCallback))
  [Stack]

  - Max Depth = 16
  - Call Chain = HAL_TIM_PeriodElapsedCallback ⇒ BSP_LED_Toggle
  [Calls]
  - >> BSP_LED_Toggle
  [Called By]
  - >> HAL_TIM_IRQHandler

  HAL_TIM_TriggerCallback (Thumb, 2 bytes, Stack size 0 bytes, py32f0xx_hal_tim.o(i.HAL_TIM_TriggerCallback))
  [Called By]

  - >> HAL_TIM_IRQHandler

  HardFault_Handler (Thumb, 4 bytes, Stack size 0 bytes, py32f0xx_it.o(i.HardFault_Handler))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  NMI_Handler (Thumb, 2 bytes, Stack size 0 bytes, py32f0xx_it.o(i.NMI_Handler))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  PendSV_Handler (Thumb, 2 bytes, Stack size 0 bytes, py32f0xx_it.o(i.PendSV_Handler))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  SVC_Handler (Thumb, 2 bytes, Stack size 0 bytes, py32f0xx_it.o(i.SVC_Handler))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(RESET)

  SysTick_Handler (Thumb, 8 bytes, Stack size 8 bytes, py32f0xx_it.o(i.SysTick_Handler))
  [Stack]

  - Max Depth = 8
  - Call Chain = SysTick_Handler
  [Calls]
  - >> HAL_IncTick
  [Address Reference Count : 1]
  - startup_py32f002xx.o(RESET)

  SystemInit (Thumb, 60 bytes, Stack size 0 bytes, system_py32f0xx.o(i.SystemInit))
  [Address Reference Count : 1]

  - startup_py32f002xx.o(.text)

  TIM1_BRK_UP_TRG_COM_IRQHandler (Thumb, 10 bytes, Stack size 8 bytes, py32f0xx_it.o(i.TIM1_BRK_UP_TRG_COM_IRQHandler))
  [Stack]

  - Max Depth = 32
  - Call Chain = TIM1_BRK_UP_TRG_COM_IRQHandler ⇒ HAL_TIM_IRQHandler ⇒ HAL_TIM_PeriodElapsedCallback ⇒ BSP_LED_Toggle
  [Calls]
  - >> HAL_TIM_IRQHandler
  [Address Reference Count : 1]
  - startup_py32f002xx.o(RESET)

  TIM_Base_SetConfig (Thumb, 92 bytes, Stack size 8 bytes, py32f0xx_hal_tim.o(i.TIM_Base_SetConfig))
  [Stack]

  - Max Depth = 8
  - Call Chain = TIM_Base_SetConfig
  [Called By]
  - >> HAL_TIM_Base_Init

  __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)

  $Super$$main (Thumb, 68 bytes, Stack size 0 bytes, main.o(i.main))
  [Stack]

  - Max Depth = 112
  - Call Chain = $Super$$main ⇒ APP_SystemClockConfig ⇒ HAL_RCC_OscConfig ⇒ HAL_InitTick ⇒ HAL_SYSTICK_Config ⇒ NVIC_SetPriority
  [Calls]
  - >> HAL_TIM_Base_Start_IT
  - >> HAL_TIM_Base_Init
  - >> HAL_Init
  - >> APP_ErrorHandler
  - >> APP_SystemClockConfig
  [Called By]
  - >> main

  ### Local Symbols

  APP_SystemClockConfig (Thumb, 92 bytes, Stack size 48 bytes, main.o(i.APP_SystemClockConfig))
  [Stack]

  - Max Depth = 112
  - Call Chain = APP_SystemClockConfig ⇒ HAL_RCC_OscConfig ⇒ HAL_InitTick ⇒ HAL_SYSTICK_Config ⇒ NVIC_SetPriority
  [Calls]
  - >> HAL_RCC_OscConfig
  - >> HAL_RCC_ClockConfig
  - >> APP_ErrorHandler
  - >> __aeabi_memclr4
  [Called By]
  - >> $Super$$main

  NVIC_SetPriority (Thumb, 110 bytes, Stack size 8 bytes, py32f0xx_hal_cortex.o(i.NVIC_SetPriority))
  [Stack]

  - Max Depth = 8
  - Call Chain = NVIC_SetPriority
  [Called By]
  - >> HAL_SYSTICK_Config
  - >> HAL_NVIC_SetPriority

  ### Undefined Global Symbols

  __arm_fini_ (Unknown, 0 bytes, Stack size 0 bytes, UNDEFINED)
  [Called By]

  - >> __rt_lib_shutdown_fini