# Static Call Graph for image .\Objects\Project.axf

#<CALLGRAPH># ARM Linker, 5060300: Last Updated: Mon Mar 30 17:04:20 2026

### Maximum Stack Usage = 120 bytes + Unknown(Cycles, Untraceable Function Pointers)

### Call chain for Maximum Stack Depth:

main ⇒ Show_disdance ⇒ OLED_ShowNum ⇒ OLED_ShowChar ⇒ OLED_SetCursor ⇒ OLED_WriteCommand ⇒ OLED_I2C_SendByte

### Mutually Recursive functions

- ADC1_2_IRQHandler ⇒ ADC1_2_IRQHandler

  ### Function Pointers

  - ADC1_2_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - BusFault_Handler from stm32f10x_it.o(i.BusFault_Handler) referenced from startup_stm32f10x_md.o(RESET)
  - CAN1_RX1_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - CAN1_SCE_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - DMA1_Channel1_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - DMA1_Channel2_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - DMA1_Channel3_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - DMA1_Channel4_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - DMA1_Channel5_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - DMA1_Channel6_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - DMA1_Channel7_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - DebugMon_Handler from stm32f10x_it.o(i.DebugMon_Handler) referenced from startup_stm32f10x_md.o(RESET)
  - EXTI0_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - EXTI15_10_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - EXTI1_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - EXTI2_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - EXTI3_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - EXTI4_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - EXTI9_5_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - FLASH_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - HardFault_Handler from stm32f10x_it.o(i.HardFault_Handler) referenced from startup_stm32f10x_md.o(RESET)
  - I2C1_ER_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - I2C1_EV_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - I2C2_ER_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - I2C2_EV_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - MemManage_Handler from stm32f10x_it.o(i.MemManage_Handler) referenced from startup_stm32f10x_md.o(RESET)
  - NMI_Handler from stm32f10x_it.o(i.NMI_Handler) referenced from startup_stm32f10x_md.o(RESET)
  - PVD_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - PendSV_Handler from stm32f10x_it.o(i.PendSV_Handler) referenced from startup_stm32f10x_md.o(RESET)
  - RCC_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - RTCAlarm_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - RTC_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - Reset_Handler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - SPI1_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - SPI2_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - SVC_Handler from stm32f10x_it.o(i.SVC_Handler) referenced from startup_stm32f10x_md.o(RESET)
  - SysTick_Handler from stm32f10x_it.o(i.SysTick_Handler) referenced from startup_stm32f10x_md.o(RESET)
  - SystemInit from system_stm32f10x.o(i.SystemInit) referenced from startup_stm32f10x_md.o(.text)
  - TAMPER_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - TIM1_BRK_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - TIM1_CC_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - TIM1_TRG_COM_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - TIM1_UP_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - TIM2_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - TIM3_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - TIM4_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - USART1_IRQHandler from serial.o(i.USART1_IRQHandler) referenced from startup_stm32f10x_md.o(RESET)
  - USART2_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - USART3_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - USBWakeUp_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - USB_HP_CAN1_TX_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - USB_LP_CAN1_RX0_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - UsageFault_Handler from stm32f10x_it.o(i.UsageFault_Handler) referenced from startup_stm32f10x_md.o(RESET)
  - WWDG_IRQHandler from startup_stm32f10x_md.o(.text) referenced from startup_stm32f10x_md.o(RESET)
  - __main from entry.o(.ARM.Collect$$$$00000000) referenced from startup_stm32f10x_md.o(.text)
  - main from main.o(i.main) referenced from entry9a.o(.ARM.Collect$$$$0000000B)

  ### Global Symbols

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

  - startup_stm32f10x_md.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_final_cpp (Thumb, 0 bytes, Stack size unknown bytes, entry10a.o(.ARM.Collect$$$$0000000D))

  __rt_final_exit (Thumb, 0 bytes, Stack size unknown bytes, entry11a.o(.ARM.Collect$$$$0000000F))

  Reset_Handler (Thumb, 8 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  ADC1_2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Calls]

  - >> ADC1_2_IRQHandler
  [Called By]
  - >> ADC1_2_IRQHandler
  [Address Reference Count : 1]
  - startup_stm32f10x_md.o(RESET)

  CAN1_RX1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  CAN1_SCE_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  DMA1_Channel1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  DMA1_Channel2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  DMA1_Channel3_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  DMA1_Channel4_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  DMA1_Channel5_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  DMA1_Channel6_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  DMA1_Channel7_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  EXTI0_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  EXTI15_10_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  EXTI1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  EXTI2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  EXTI3_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  EXTI4_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  EXTI9_5_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  FLASH_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  I2C1_ER_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  I2C1_EV_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  I2C2_ER_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  I2C2_EV_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  PVD_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  RCC_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  RTCAlarm_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  RTC_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  SPI1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  SPI2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  TAMPER_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  TIM1_BRK_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  TIM1_CC_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  TIM1_TRG_COM_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  TIM1_UP_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  TIM2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  TIM3_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  TIM4_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  USART2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  USART3_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  USBWakeUp_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  USB_HP_CAN1_TX_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  USB_LP_CAN1_RX0_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  WWDG_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f10x_md.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  __aeabi_fmul (Thumb, 100 bytes, Stack size 8 bytes, fmul.o(.text))
  [Stack]

  - Max Depth = 8
  - Call Chain = __aeabi_fmul
  [Called By]
  - >> Show_disdance

  __aeabi_fdiv (Thumb, 124 bytes, Stack size 8 bytes, fdiv.o(.text))
  [Stack]

  - Max Depth = 8
  - Call Chain = __aeabi_fdiv
  [Calls]
  - >> _float_round
  [Called By]
  - >> Show_disdance

  __aeabi_ui2f (Thumb, 10 bytes, Stack size 0 bytes, ffltui.o(.text))
  [Stack]

  - Max Depth = 4
  - Call Chain = __aeabi_ui2f ⇒ _float_epilogue
  [Calls]
  - >> _float_epilogue
  [Called By]
  - >> Show_disdance

  __aeabi_f2uiz (Thumb, 40 bytes, Stack size 0 bytes, ffixui.o(.text))
  [Called By]

  - >> Show_disdance

  __I$use$fp (Thumb, 0 bytes, Stack size 0 bytes, iusefp.o(.text), UNUSED)

  _float_round (Thumb, 18 bytes, Stack size 0 bytes, fepilogue.o(.text))
  [Called By]

  - >> __aeabi_fdiv

  _float_epilogue (Thumb, 92 bytes, Stack size 4 bytes, fepilogue.o(.text))
  [Stack]

  - Max Depth = 4
  - Call Chain = _float_epilogue
  [Called By]
  - >> __aeabi_ui2f

  __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)

  BusFault_Handler (Thumb, 4 bytes, Stack size 0 bytes, stm32f10x_it.o(i.BusFault_Handler))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  DebugMon_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f10x_it.o(i.DebugMon_Handler))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  GPIO_Init (Thumb, 278 bytes, Stack size 24 bytes, stm32f10x_gpio.o(i.GPIO_Init))
  [Stack]

  - Max Depth = 24
  - Call Chain = GPIO_Init
  [Called By]
  - >> Serial_Init
  - >> PLS_PWREN_Init
  - >> OLED_I2C_Init

  GPIO_SetBits (Thumb, 4 bytes, Stack size 0 bytes, stm32f10x_gpio.o(i.GPIO_SetBits))
  [Called By]

  - >> PLS_PWREN_Init

  GPIO_WriteBit (Thumb, 10 bytes, Stack size 0 bytes, stm32f10x_gpio.o(i.GPIO_WriteBit))
  [Called By]

  - >> OLED_I2C_Stop
  - >> OLED_I2C_Start
  - >> OLED_I2C_SendByte
  - >> OLED_I2C_Init

  HardFault_Handler (Thumb, 4 bytes, Stack size 0 bytes, stm32f10x_it.o(i.HardFault_Handler))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  MemManage_Handler (Thumb, 4 bytes, Stack size 0 bytes, stm32f10x_it.o(i.MemManage_Handler))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  NMI_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f10x_it.o(i.NMI_Handler))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  NVIC_Init (Thumb, 100 bytes, Stack size 16 bytes, misc.o(i.NVIC_Init))
  [Stack]

  - Max Depth = 16
  - Call Chain = NVIC_Init
  [Called By]
  - >> Serial_Init

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

  - >> Serial_Init

  OLED_Clear (Thumb, 42 bytes, Stack size 16 bytes, oled.o(i.OLED_Clear))
  [Stack]

  - Max Depth = 56
  - Call Chain = OLED_Clear ⇒ OLED_SetCursor ⇒ OLED_WriteCommand ⇒ OLED_I2C_SendByte
  [Calls]
  - >> OLED_WriteData
  - >> OLED_SetCursor
  [Called By]
  - >> OLED_Init

  OLED_I2C_Init (Thumb, 76 bytes, Stack size 8 bytes, oled.o(i.OLED_I2C_Init))
  [Stack]

  - Max Depth = 32
  - Call Chain = OLED_I2C_Init ⇒ GPIO_Init
  [Calls]
  - >> GPIO_WriteBit
  - >> GPIO_Init
  - >> RCC_APB2PeriphClockCmd
  [Called By]
  - >> OLED_Init

  OLED_I2C_SendByte (Thumb, 88 bytes, Stack size 16 bytes, oled.o(i.OLED_I2C_SendByte))
  [Stack]

  - Max Depth = 16
  - Call Chain = OLED_I2C_SendByte
  [Calls]
  - >> GPIO_WriteBit
  [Called By]
  - >> OLED_WriteData
  - >> OLED_WriteCommand

  OLED_I2C_Start (Thumb, 48 bytes, Stack size 8 bytes, oled.o(i.OLED_I2C_Start))
  [Stack]

  - Max Depth = 8
  - Call Chain = OLED_I2C_Start
  [Calls]
  - >> GPIO_WriteBit
  [Called By]
  - >> OLED_WriteData
  - >> OLED_WriteCommand

  OLED_I2C_Stop (Thumb, 36 bytes, Stack size 8 bytes, oled.o(i.OLED_I2C_Stop))
  [Stack]

  - Max Depth = 8
  - Call Chain = OLED_I2C_Stop
  [Calls]
  - >> GPIO_WriteBit
  [Called By]
  - >> OLED_WriteData
  - >> OLED_WriteCommand

  OLED_Init (Thumb, 174 bytes, Stack size 16 bytes, oled.o(i.OLED_Init))
  [Stack]

  - Max Depth = 72
  - Call Chain = OLED_Init ⇒ OLED_Clear ⇒ OLED_SetCursor ⇒ OLED_WriteCommand ⇒ OLED_I2C_SendByte
  [Calls]
  - >> OLED_WriteCommand
  - >> OLED_I2C_Init
  - >> OLED_Clear
  [Called By]
  - >> main

  OLED_Pow (Thumb, 20 bytes, Stack size 8 bytes, oled.o(i.OLED_Pow))
  [Stack]

  - Max Depth = 8
  - Call Chain = OLED_Pow
  [Called By]
  - >> OLED_ShowNum

  OLED_SetCursor (Thumb, 34 bytes, Stack size 16 bytes, oled.o(i.OLED_SetCursor))
  [Stack]

  - Max Depth = 40
  - Call Chain = OLED_SetCursor ⇒ OLED_WriteCommand ⇒ OLED_I2C_SendByte
  [Calls]
  - >> OLED_WriteCommand
  [Called By]
  - >> OLED_ShowChar
  - >> OLED_Clear

  OLED_ShowChar (Thumb, 110 bytes, Stack size 24 bytes, oled.o(i.OLED_ShowChar))
  [Stack]

  - Max Depth = 64
  - Call Chain = OLED_ShowChar ⇒ OLED_SetCursor ⇒ OLED_WriteCommand ⇒ OLED_I2C_SendByte
  [Calls]
  - >> OLED_WriteData
  - >> OLED_SetCursor
  [Called By]
  - >> Show_disdance
  - >> OLED_ShowString
  - >> OLED_ShowNum

  OLED_ShowNum (Thumb, 68 bytes, Stack size 32 bytes, oled.o(i.OLED_ShowNum))
  [Stack]

  - Max Depth = 96
  - Call Chain = OLED_ShowNum ⇒ OLED_ShowChar ⇒ OLED_SetCursor ⇒ OLED_WriteCommand ⇒ OLED_I2C_SendByte
  [Calls]
  - >> OLED_ShowChar
  - >> OLED_Pow
  [Called By]
  - >> Show_disdance

  OLED_ShowString (Thumb, 40 bytes, Stack size 24 bytes, oled.o(i.OLED_ShowString))
  [Stack]

  - Max Depth = 88
  - Call Chain = OLED_ShowString ⇒ OLED_ShowChar ⇒ OLED_SetCursor ⇒ OLED_WriteCommand ⇒ OLED_I2C_SendByte
  [Calls]
  - >> OLED_ShowChar
  [Called By]
  - >> main

  OLED_WriteCommand (Thumb, 32 bytes, Stack size 8 bytes, oled.o(i.OLED_WriteCommand))
  [Stack]

  - Max Depth = 24
  - Call Chain = OLED_WriteCommand ⇒ OLED_I2C_SendByte
  [Calls]
  - >> OLED_I2C_Stop
  - >> OLED_I2C_Start
  - >> OLED_I2C_SendByte
  [Called By]
  - >> OLED_SetCursor
  - >> OLED_Init

  OLED_WriteData (Thumb, 32 bytes, Stack size 8 bytes, oled.o(i.OLED_WriteData))
  [Stack]

  - Max Depth = 24
  - Call Chain = OLED_WriteData ⇒ OLED_I2C_SendByte
  [Calls]
  - >> OLED_I2C_Stop
  - >> OLED_I2C_Start
  - >> OLED_I2C_SendByte
  [Called By]
  - >> OLED_ShowChar
  - >> OLED_Clear

  PLS_PWREN_Init (Thumb, 50 bytes, Stack size 8 bytes, serial.o(i.PLS_PWREN_Init))
  [Stack]

  - Max Depth = 32
  - Call Chain = PLS_PWREN_Init ⇒ GPIO_Init
  [Calls]
  - >> GPIO_SetBits
  - >> GPIO_Init
  - >> RCC_APB2PeriphClockCmd
  [Called By]
  - >> main

  PendSV_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f10x_it.o(i.PendSV_Handler))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  RCC_APB2PeriphClockCmd (Thumb, 26 bytes, Stack size 0 bytes, stm32f10x_rcc.o(i.RCC_APB2PeriphClockCmd))
  [Called By]

  - >> Serial_Init
  - >> PLS_PWREN_Init
  - >> OLED_I2C_Init

  RCC_GetClocksFreq (Thumb, 192 bytes, Stack size 12 bytes, stm32f10x_rcc.o(i.RCC_GetClocksFreq))
  [Stack]

  - Max Depth = 12
  - Call Chain = RCC_GetClocksFreq
  [Called By]
  - >> USART_Init

  SVC_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f10x_it.o(i.SVC_Handler))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

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

  - >> Show_disdance

  Serial_Init (Thumb, 162 bytes, Stack size 32 bytes, serial.o(i.Serial_Init))
  [Stack]

  - Max Depth = 100
  - Call Chain = Serial_Init ⇒ USART_Init ⇒ RCC_GetClocksFreq
  [Calls]
  - >> NVIC_PriorityGroupConfig
  - >> NVIC_Init
  - >> GPIO_Init
  - >> RCC_APB2PeriphClockCmd
  - >> USART_Init
  - >> USART_ITConfig
  - >> USART_Cmd
  [Called By]
  - >> main

  Serial_SendArray (Thumb, 26 bytes, Stack size 16 bytes, serial.o(i.Serial_SendArray))
  [Stack]

  - Max Depth = 24
  - Call Chain = Serial_SendArray ⇒ Serial_SendByte
  [Calls]
  - >> Serial_SendByte
  [Called By]
  - >> Start_Ranging

  Serial_SendByte (Thumb, 28 bytes, Stack size 8 bytes, serial.o(i.Serial_SendByte))
  [Stack]

  - Max Depth = 8
  - Call Chain = Serial_SendByte
  [Calls]
  - >> USART_SendData
  - >> USART_GetFlagStatus
  [Called By]
  - >> Start_Ranging
  - >> Serial_SendArray

  Show_disdance (Thumb, 142 bytes, Stack size 24 bytes, serial.o(i.Show_disdance))
  [Stack]

  - Max Depth = 120
  - Call Chain = Show_disdance ⇒ OLED_ShowNum ⇒ OLED_ShowChar ⇒ OLED_SetCursor ⇒ OLED_WriteCommand ⇒ OLED_I2C_SendByte
  [Calls]
  - >> __aeabi_ui2f
  - >> __aeabi_fmul
  - >> __aeabi_fdiv
  - >> __aeabi_f2uiz
  - >> Serial_GetRxFlag
  - >> OLED_ShowNum
  - >> OLED_ShowChar
  [Called By]
  - >> main

  Start_Ranging (Thumb, 18 bytes, Stack size 8 bytes, serial.o(i.Start_Ranging))
  [Stack]

  - Max Depth = 32
  - Call Chain = Start_Ranging ⇒ Serial_SendArray ⇒ Serial_SendByte
  [Calls]
  - >> Serial_SendByte
  - >> Serial_SendArray
  [Called By]
  - >> main

  SysTick_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f10x_it.o(i.SysTick_Handler))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  SystemInit (Thumb, 78 bytes, Stack size 8 bytes, system_stm32f10x.o(i.SystemInit))
  [Stack]

  - Max Depth = 28
  - Call Chain = SystemInit ⇒ SetSysClock ⇒ SetSysClockTo72
  [Calls]
  - >> SetSysClock
  [Address Reference Count : 1]
  - startup_stm32f10x_md.o(.text)

  USART1_IRQHandler (Thumb, 130 bytes, Stack size 8 bytes, serial.o(i.USART1_IRQHandler))
  [Stack]

  - Max Depth = 24
  - Call Chain = USART1_IRQHandler ⇒ USART_GetITStatus
  [Calls]
  - >> USART_ReceiveData
  - >> USART_GetITStatus
  - >> USART_ClearITPendingBit
  [Address Reference Count : 1]
  - startup_stm32f10x_md.o(RESET)

  USART_ClearITPendingBit (Thumb, 30 bytes, Stack size 8 bytes, stm32f10x_usart.o(i.USART_ClearITPendingBit))
  [Stack]

  - Max Depth = 8
  - Call Chain = USART_ClearITPendingBit
  [Called By]
  - >> USART1_IRQHandler

  USART_Cmd (Thumb, 24 bytes, Stack size 0 bytes, stm32f10x_usart.o(i.USART_Cmd))
  [Called By]

  - >> Serial_Init

  USART_GetFlagStatus (Thumb, 26 bytes, Stack size 0 bytes, stm32f10x_usart.o(i.USART_GetFlagStatus))
  [Called By]

  - >> Serial_SendByte

  USART_GetITStatus (Thumb, 84 bytes, Stack size 16 bytes, stm32f10x_usart.o(i.USART_GetITStatus))
  [Stack]

  - Max Depth = 16
  - Call Chain = USART_GetITStatus
  [Called By]
  - >> USART1_IRQHandler

  USART_ITConfig (Thumb, 74 bytes, Stack size 20 bytes, stm32f10x_usart.o(i.USART_ITConfig))
  [Stack]

  - Max Depth = 20
  - Call Chain = USART_ITConfig
  [Called By]
  - >> Serial_Init

  USART_Init (Thumb, 210 bytes, Stack size 56 bytes, stm32f10x_usart.o(i.USART_Init))
  [Stack]

  - Max Depth = 68
  - Call Chain = USART_Init ⇒ RCC_GetClocksFreq
  [Calls]
  - >> RCC_GetClocksFreq
  [Called By]
  - >> Serial_Init

  USART_ReceiveData (Thumb, 10 bytes, Stack size 0 bytes, stm32f10x_usart.o(i.USART_ReceiveData))
  [Called By]

  - >> USART1_IRQHandler

  USART_SendData (Thumb, 8 bytes, Stack size 0 bytes, stm32f10x_usart.o(i.USART_SendData))
  [Called By]

  - >> Serial_SendByte

  UsageFault_Handler (Thumb, 4 bytes, Stack size 0 bytes, stm32f10x_it.o(i.UsageFault_Handler))
  [Address Reference Count : 1]

  - startup_stm32f10x_md.o(RESET)

  __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, 34 bytes, Stack size 0 bytes, main.o(i.main))
  [Stack]

  - Max Depth = 120
  - Call Chain = main ⇒ Show_disdance ⇒ OLED_ShowNum ⇒ OLED_ShowChar ⇒ OLED_SetCursor ⇒ OLED_WriteCommand ⇒ OLED_I2C_SendByte
  [Calls]
  - >> Start_Ranging
  - >> Show_disdance
  - >> Serial_Init
  - >> PLS_PWREN_Init
  - >> OLED_ShowString
  - >> OLED_Init
  [Address Reference Count : 1]
  - entry9a.o(.ARM.Collect$$$$0000000B)

  ### Local Symbols

  SetSysClock (Thumb, 8 bytes, Stack size 8 bytes, system_stm32f10x.o(i.SetSysClock))
  [Stack]

  - Max Depth = 20
  - Call Chain = SetSysClock ⇒ SetSysClockTo72
  [Calls]
  - >> SetSysClockTo72
  [Called By]
  - >> SystemInit

  SetSysClockTo72 (Thumb, 214 bytes, Stack size 12 bytes, system_stm32f10x.o(i.SetSysClockTo72))
  [Stack]

  - Max Depth = 12
  - Call Chain = SetSysClockTo72
  [Called By]
  - >> SetSysClock

  ### Undefined Global Symbols