# Static Call Graph for image eINk\eINk.axf

#<CALLGRAPH># ARM Linker, 5060422: Last Updated: Mon Mar 11 15:30:33 2019

### Maximum Stack Usage = 288 bytes + Unknown(Cycles, Untraceable Function Pointers)

### Call chain for Maximum Stack Depth:

main ⇒ DebugPrintf ⇒ HAL_UART_Transmit ⇒ UART_WaitOnFlagUntilTimeout

### Mutually Recursive functions

- ADC1_2_IRQHandler ⇒ ADC1_2_IRQHandler

  ### Function Pointers

  - ADC1_2_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - BusFault_Handler from stm32f1xx_it.o(i.BusFault_Handler) referenced from startup_stm32f103xb.o(RESET)
  - CAN1_RX1_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - CAN1_SCE_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DMA1_Channel1_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DMA1_Channel2_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DMA1_Channel3_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DMA1_Channel4_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DMA1_Channel5_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DMA1_Channel6_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DMA1_Channel7_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DebugMon_Handler from stm32f1xx_it.o(i.DebugMon_Handler) referenced from startup_stm32f103xb.o(RESET)
  - EXTI0_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - EXTI15_10_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - EXTI1_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - EXTI2_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - EXTI3_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - EXTI4_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - EXTI9_5_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - FLASH_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - HardFault_Handler from stm32f1xx_it.o(i.HardFault_Handler) referenced from startup_stm32f103xb.o(RESET)
  - I2C1_ER_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - I2C1_EV_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - I2C2_ER_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - I2C2_EV_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - MemManage_Handler from stm32f1xx_it.o(i.MemManage_Handler) referenced from startup_stm32f103xb.o(RESET)
  - NMI_Handler from stm32f1xx_it.o(i.NMI_Handler) referenced from startup_stm32f103xb.o(RESET)
  - PVD_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - PendSV_Handler from stm32f1xx_it.o(i.PendSV_Handler) referenced from startup_stm32f103xb.o(RESET)
  - RCC_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - RTC_Alarm_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - RTC_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - Reset_Handler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - SPI1_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - SPI2_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - SVC_Handler from stm32f1xx_it.o(i.SVC_Handler) referenced from startup_stm32f103xb.o(RESET)
  - SysTick_Handler from stm32f1xx_it.o(i.SysTick_Handler) referenced from startup_stm32f103xb.o(RESET)
  - SystemInit from system_stm32f1xx.o(i.SystemInit) referenced from startup_stm32f103xb.o(.text)
  - TAMPER_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - TIM1_BRK_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - TIM1_CC_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - TIM1_TRG_COM_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - TIM1_UP_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - TIM2_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - TIM3_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - TIM4_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - USART1_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - USART2_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - USART3_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - USBWakeUp_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - USB_HP_CAN1_TX_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - USB_LP_CAN1_RX0_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - UsageFault_Handler from stm32f1xx_it.o(i.UsageFault_Handler) referenced from startup_stm32f103xb.o(RESET)
  - WWDG_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - __main from entry.o(.ARM.Collect$$$$00000000) referenced from startup_stm32f103xb.o(.text)
  - _sputc from printfa.o(i._sputc) referenced from printfa.o(i.__0vsprintf)
  - main from main.o(i.main) referenced from entry9a.o(.ARM.Collect$$$$0000000B)

  ### Global Symbols

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

  - startup_stm32f103xb.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_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  ADC1_2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Calls]

  - >> ADC1_2_IRQHandler
  [Called By]
  - >> ADC1_2_IRQHandler
  [Address Reference Count : 1]
  - startup_stm32f103xb.o(RESET)

  CAN1_RX1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  CAN1_SCE_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  DMA1_Channel1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  DMA1_Channel2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  DMA1_Channel3_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  DMA1_Channel4_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  DMA1_Channel5_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  DMA1_Channel6_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  DMA1_Channel7_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  EXTI0_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  EXTI15_10_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  EXTI1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  EXTI2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  EXTI3_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  EXTI4_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  EXTI9_5_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  FLASH_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  I2C1_ER_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  I2C1_EV_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  I2C2_ER_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  I2C2_EV_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  PVD_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  RCC_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  RTC_Alarm_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  RTC_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  SPI1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  SPI2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  TAMPER_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  TIM1_BRK_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  TIM1_CC_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  TIM1_TRG_COM_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  TIM1_UP_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  TIM2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  TIM3_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  TIM4_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  USART1_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  USART2_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  USART3_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  USBWakeUp_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  USB_HP_CAN1_TX_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  USB_LP_CAN1_RX0_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  WWDG_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  __aeabi_llsr (Thumb, 32 bytes, Stack size 0 bytes, llushr.o(.text), UNUSED)
  [Called By]

  - >> _double_epilogue
  - >> __aeabi_uldivmod
  - >> __aeabi_d2ulz

  _ll_ushift_r (Thumb, 0 bytes, Stack size 0 bytes, llushr.o(.text), UNUSED)

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

  - >> __aeabi_memclr
  - >> _memset$wrapper

  __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]

  - >> SystemClock_Config

  __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

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

  - >> DebugPrintf

  __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), UNUSED)
  [Called By]

  - >> _printf_core

  __aeabi_uldivmod (Thumb, 98 bytes, Stack size 40 bytes, uldiv.o(.text), UNUSED)
  [Calls]

  - >> __aeabi_llsr
  - >> __aeabi_llsl
  [Called By]
  - >> _printf_core
  - >> _fp_digits

  __I$use$fp (Thumb, 0 bytes, Stack size 48 bytes, iusefp.o(.text), UNUSED)

  __aeabi_dadd (Thumb, 322 bytes, Stack size 48 bytes, dadd.o(.text), UNUSED)
  [Calls]

  - >> __aeabi_lasr
  - >> __aeabi_llsl
  - >> _double_round
  - >> _double_epilogue
  [Called By]
  - >> __aeabi_drsub
  - >> __aeabi_dsub
  - >> _fp_digits

  __aeabi_dsub (Thumb, 6 bytes, Stack size 0 bytes, dadd.o(.text), UNUSED)
  [Calls]

  - >> __aeabi_dadd

  __aeabi_drsub (Thumb, 6 bytes, Stack size 0 bytes, dadd.o(.text), UNUSED)
  [Calls]

  - >> __aeabi_dadd

  __aeabi_dmul (Thumb, 228 bytes, Stack size 48 bytes, dmul.o(.text), UNUSED)
  [Calls]

  - >> _double_epilogue
  [Called By]
  - >> _fp_digits

  __aeabi_ddiv (Thumb, 222 bytes, Stack size 32 bytes, ddiv.o(.text), UNUSED)
  [Calls]

  - >> _double_round
  [Called By]
  - >> _fp_digits

  __aeabi_d2ulz (Thumb, 48 bytes, Stack size 0 bytes, dfixul.o(.text), UNUSED)
  [Calls]

  - >> __aeabi_llsr
  - >> __aeabi_llsl
  [Called By]
  - >> _fp_digits

  __aeabi_cdrcmple (Thumb, 48 bytes, Stack size 0 bytes, cdrcmple.o(.text), UNUSED)
  [Called By]

  - >> _fp_digits

  __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)

  __aeabi_llsl (Thumb, 30 bytes, Stack size 0 bytes, llshl.o(.text), UNUSED)
  [Called By]

  - >> _double_epilogue
  - >> __aeabi_uldivmod
  - >> __aeabi_dadd
  - >> __aeabi_d2ulz

  _ll_shift_l (Thumb, 0 bytes, Stack size 0 bytes, llshl.o(.text), UNUSED)

  __aeabi_lasr (Thumb, 36 bytes, Stack size 0 bytes, llsshr.o(.text), UNUSED)
  [Called By]

  - >> __aeabi_dadd

  _ll_sshift_r (Thumb, 0 bytes, Stack size 0 bytes, llsshr.o(.text), UNUSED)

  _double_round (Thumb, 30 bytes, Stack size 8 bytes, depilogue.o(.text), UNUSED)
  [Called By]

  - >> _double_epilogue
  - >> __aeabi_ddiv
  - >> __aeabi_dadd

  _double_epilogue (Thumb, 156 bytes, Stack size 32 bytes, depilogue.o(.text), UNUSED)
  [Calls]

  - >> __aeabi_llsr
  - >> __aeabi_llsl
  - >> _double_round
  [Called By]
  - >> __aeabi_dmul
  - >> __aeabi_dadd

  BusFault_Handler (Thumb, 4 bytes, Stack size 0 bytes, stm32f1xx_it.o(i.BusFault_Handler))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  CheckStatus (Thumb, 32 bytes, Stack size 8 bytes, e_ink_420_bwr.o(i.CheckStatus))
  [Stack]

  - Max Depth = 24
  - Call Chain = CheckStatus ⇒ HAL_Delay
  [Calls]
  - >> HAL_GPIO_ReadPin
  - >> HAL_Delay
  [Called By]
  - >> DisplayRefresh

  DebugMon_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f1xx_it.o(i.DebugMon_Handler))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  DebugPrintf (Thumb, 52 bytes, Stack size 232 bytes, function.o(i.DebugPrintf))
  [Stack]

  - Max Depth = 288
  - Call Chain = DebugPrintf ⇒ HAL_UART_Transmit ⇒ UART_WaitOnFlagUntilTimeout
  [Calls]
  - >> HAL_UART_Transmit
  - >> vsprintf
  - >> strlen
  [Called By]
  - >> main

  DisplayRefresh (Thumb, 20 bytes, Stack size 8 bytes, e_ink_420_bwr.o(i.DisplayRefresh))
  [Stack]

  - Max Depth = 96
  - Call Chain = DisplayRefresh ⇒ EPD_W21_WriteCMD ⇒ HAL_SPI_Transmit ⇒ SPI_CheckFlag_BSY ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> CheckStatus
  - >> HAL_Delay
  - >> EPD_W21_WriteCMD
  [Called By]
  - >> main

  Display_Init (Thumb, 64 bytes, Stack size 8 bytes, e_ink_420_bwr.o(i.Display_Init))
  [Stack]

  - Max Depth = 96
  - Call Chain = Display_Init ⇒ EPD_W21_WriteDATA ⇒ HAL_SPI_Transmit ⇒ SPI_CheckFlag_BSY ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> EPD_W21_WriteDATA
  - >> HAL_Delay
  - >> EPD_W21_WriteCMD
  [Called By]
  - >> main

  EPD_W21_WriteCMD (Thumb, 50 bytes, Stack size 8 bytes, e_ink_420_bwr.o(i.EPD_W21_WriteCMD))
  [Stack]

  - Max Depth = 88
  - Call Chain = EPD_W21_WriteCMD ⇒ HAL_SPI_Transmit ⇒ SPI_CheckFlag_BSY ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> HAL_SPI_Transmit
  - >> HAL_GPIO_WritePin
  [Called By]
  - >> Display_Init
  - >> DisplayRefresh
  - >> main

  EPD_W21_WriteDATA (Thumb, 48 bytes, Stack size 8 bytes, e_ink_420_bwr.o(i.EPD_W21_WriteDATA))
  [Stack]

  - Max Depth = 88
  - Call Chain = EPD_W21_WriteDATA ⇒ HAL_SPI_Transmit ⇒ SPI_CheckFlag_BSY ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> HAL_SPI_Transmit
  - >> HAL_GPIO_WritePin
  [Called By]
  - >> WriteBuffer
  - >> Display_Init

  HAL_Delay (Thumb, 36 bytes, Stack size 16 bytes, stm32f1xx_hal.o(i.HAL_Delay))
  [Stack]

  - Max Depth = 16
  - Call Chain = HAL_Delay
  [Calls]
  - >> HAL_GetTick
  [Called By]
  - >> CheckStatus
  - >> Display_Init
  - >> DisplayRefresh
  - >> main

  HAL_GPIO_Init (Thumb, 764 bytes, Stack size 36 bytes, stm32f1xx_hal_gpio.o(i.HAL_GPIO_Init))
  [Stack]

  - Max Depth = 36
  - Call Chain = HAL_GPIO_Init
  [Called By]
  - >> HAL_UART_MspInit
  - >> HAL_SPI_MspInit
  - >> MX_GPIO_Init

  HAL_GPIO_ReadPin (Thumb, 16 bytes, Stack size 0 bytes, stm32f1xx_hal_gpio.o(i.HAL_GPIO_ReadPin))
  [Called By]

  - >> CheckStatus

  HAL_GPIO_WritePin (Thumb, 12 bytes, Stack size 0 bytes, stm32f1xx_hal_gpio.o(i.HAL_GPIO_WritePin))
  [Called By]

  - >> EPD_W21_WriteDATA
  - >> EPD_W21_WriteCMD
  - >> MX_GPIO_Init

  HAL_GetTick (Thumb, 6 bytes, Stack size 0 bytes, stm32f1xx_hal.o(i.HAL_GetTick))
  [Called By]

  - >> HAL_SPI_Transmit
  - >> HAL_Delay
  - >> HAL_UART_Transmit
  - >> HAL_RCC_OscConfig
  - >> HAL_RCC_ClockConfig
  - >> UART_WaitOnFlagUntilTimeout
  - >> SPI_WaitFlagStateUntilTimeout

  HAL_IncTick (Thumb, 16 bytes, Stack size 0 bytes, stm32f1xx_hal.o(i.HAL_IncTick))
  [Called By]

  - >> SysTick_Handler

  HAL_Init (Thumb, 34 bytes, Stack size 8 bytes, stm32f1xx_hal.o(i.HAL_Init))
  [Stack]

  - Max Depth = 72
  - Call Chain = HAL_Init ⇒ HAL_InitTick ⇒ HAL_NVIC_SetPriority ⇒ NVIC_SetPriority
  [Calls]
  - >> HAL_MspInit
  - >> HAL_InitTick
  - >> HAL_NVIC_SetPriorityGrouping
  [Called By]
  - >> main

  HAL_InitTick (Thumb, 64 bytes, Stack size 16 bytes, stm32f1xx_hal.o(i.HAL_InitTick))
  [Stack]

  - Max Depth = 64
  - Call Chain = HAL_InitTick ⇒ HAL_NVIC_SetPriority ⇒ NVIC_SetPriority
  [Calls]
  - >> HAL_SYSTICK_Config
  - >> HAL_NVIC_SetPriority
  [Called By]
  - >> HAL_Init
  - >> HAL_RCC_ClockConfig

  HAL_MspInit (Thumb, 76 bytes, Stack size 8 bytes, stm32f1xx_hal_msp.o(i.HAL_MspInit))
  [Stack]

  - Max Depth = 8
  - Call Chain = HAL_MspInit
  [Called By]
  - >> HAL_Init

  HAL_NVIC_SetPriority (Thumb, 124 bytes, Stack size 40 bytes, stm32f1xx_hal_cortex.o(i.HAL_NVIC_SetPriority))
  [Stack]

  - Max Depth = 48
  - Call Chain = HAL_NVIC_SetPriority ⇒ NVIC_SetPriority
  [Calls]
  - >> NVIC_SetPriority
  - >> NVIC_GetPriorityGrouping
  [Called By]
  - >> HAL_InitTick

  HAL_NVIC_SetPriorityGrouping (Thumb, 32 bytes, Stack size 0 bytes, stm32f1xx_hal_cortex.o(i.HAL_NVIC_SetPriorityGrouping))
  [Called By]

  - >> HAL_Init

  HAL_RCC_ClockConfig (Thumb, 446 bytes, Stack size 16 bytes, stm32f1xx_hal_rcc.o(i.HAL_RCC_ClockConfig))
  [Stack]

  - Max Depth = 80
  - Call Chain = HAL_RCC_ClockConfig ⇒ HAL_InitTick ⇒ HAL_NVIC_SetPriority ⇒ NVIC_SetPriority
  [Calls]
  - >> HAL_GetTick
  - >> HAL_RCC_GetSysClockFreq
  - >> HAL_InitTick
  [Called By]
  - >> SystemClock_Config

  HAL_RCC_GetHCLKFreq (Thumb, 6 bytes, Stack size 0 bytes, stm32f1xx_hal_rcc.o(i.HAL_RCC_GetHCLKFreq))
  [Called By]

  - >> HAL_RCC_GetPCLK2Freq
  - >> HAL_RCC_GetPCLK1Freq

  HAL_RCC_GetPCLK1Freq (Thumb, 22 bytes, Stack size 4 bytes, stm32f1xx_hal_rcc.o(i.HAL_RCC_GetPCLK1Freq))
  [Stack]

  - Max Depth = 4
  - Call Chain = HAL_RCC_GetPCLK1Freq
  [Calls]
  - >> HAL_RCC_GetHCLKFreq
  [Called By]
  - >> UART_SetConfig

  HAL_RCC_GetPCLK2Freq (Thumb, 22 bytes, Stack size 4 bytes, stm32f1xx_hal_rcc.o(i.HAL_RCC_GetPCLK2Freq))
  [Stack]

  - Max Depth = 4
  - Call Chain = HAL_RCC_GetPCLK2Freq
  [Calls]
  - >> HAL_RCC_GetHCLKFreq
  [Called By]
  - >> UART_SetConfig

  HAL_RCC_GetSysClockFreq (Thumb, 116 bytes, Stack size 40 bytes, stm32f1xx_hal_rcc.o(i.HAL_RCC_GetSysClockFreq))
  [Stack]

  - Max Depth = 40
  - Call Chain = HAL_RCC_GetSysClockFreq
  [Called By]
  - >> HAL_RCC_ClockConfig

  HAL_RCC_OscConfig (Thumb, 1078 bytes, Stack size 24 bytes, stm32f1xx_hal_rcc.o(i.HAL_RCC_OscConfig))
  [Stack]

  - Max Depth = 32
  - Call Chain = HAL_RCC_OscConfig ⇒ RCC_Delay
  [Calls]
  - >> HAL_GetTick
  - >> RCC_Delay
  [Called By]
  - >> SystemClock_Config

  HAL_SPI_Init (Thumb, 134 bytes, Stack size 8 bytes, stm32f1xx_hal_spi_ex.o(i.HAL_SPI_Init))
  [Stack]

  - Max Depth = 76
  - Call Chain = HAL_SPI_Init ⇒ HAL_SPI_MspInit ⇒ HAL_GPIO_Init
  [Calls]
  - >> HAL_SPI_MspInit
  [Called By]
  - >> MX_SPI1_Init

  HAL_SPI_MspInit (Thumb, 120 bytes, Stack size 32 bytes, stm32f1xx_hal_msp.o(i.HAL_SPI_MspInit))
  [Stack]

  - Max Depth = 68
  - Call Chain = HAL_SPI_MspInit ⇒ HAL_GPIO_Init
  [Calls]
  - >> HAL_GPIO_Init
  [Called By]
  - >> HAL_SPI_Init

  HAL_SPI_Transmit (Thumb, 422 bytes, Stack size 32 bytes, stm32f1xx_hal_spi.o(i.HAL_SPI_Transmit))
  [Stack]

  - Max Depth = 80
  - Call Chain = HAL_SPI_Transmit ⇒ SPI_CheckFlag_BSY ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> HAL_GetTick
  - >> SPI_WaitFlagStateUntilTimeout
  - >> SPI_CheckFlag_BSY
  [Called By]
  - >> EPD_W21_WriteDATA
  - >> EPD_W21_WriteCMD

  HAL_SYSTICK_Config (Thumb, 52 bytes, Stack size 16 bytes, stm32f1xx_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_UART_Init (Thumb, 114 bytes, Stack size 8 bytes, stm32f1xx_hal_uart.o(i.HAL_UART_Init))
  [Stack]

  - Max Depth = 76
  - Call Chain = HAL_UART_Init ⇒ HAL_UART_MspInit ⇒ HAL_GPIO_Init
  [Calls]
  - >> HAL_UART_MspInit
  - >> UART_SetConfig
  [Called By]
  - >> MX_USART1_UART_Init

  HAL_UART_MspInit (Thumb, 122 bytes, Stack size 32 bytes, stm32f1xx_hal_msp.o(i.HAL_UART_MspInit))
  [Stack]

  - Max Depth = 68
  - Call Chain = HAL_UART_MspInit ⇒ HAL_GPIO_Init
  [Calls]
  - >> HAL_GPIO_Init
  [Called By]
  - >> HAL_UART_Init

  HAL_UART_Transmit (Thumb, 214 bytes, Stack size 32 bytes, stm32f1xx_hal_uart.o(i.HAL_UART_Transmit))
  [Stack]

  - Max Depth = 56
  - Call Chain = HAL_UART_Transmit ⇒ UART_WaitOnFlagUntilTimeout
  [Calls]
  - >> HAL_GetTick
  - >> UART_WaitOnFlagUntilTimeout
  [Called By]
  - >> DebugPrintf

  HardFault_Handler (Thumb, 4 bytes, Stack size 0 bytes, stm32f1xx_it.o(i.HardFault_Handler))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  MX_GPIO_Init (Thumb, 220 bytes, Stack size 24 bytes, board.o(i.MX_GPIO_Init))
  [Stack]

  - Max Depth = 60
  - Call Chain = MX_GPIO_Init ⇒ HAL_GPIO_Init
  [Calls]
  - >> HAL_GPIO_WritePin
  - >> HAL_GPIO_Init
  [Called By]
  - >> main

  MX_SPI1_Init (Thumb, 52 bytes, Stack size 8 bytes, board.o(i.MX_SPI1_Init))
  [Stack]

  - Max Depth = 84
  - Call Chain = MX_SPI1_Init ⇒ HAL_SPI_Init ⇒ HAL_SPI_MspInit ⇒ HAL_GPIO_Init
  [Calls]
  - >> HAL_SPI_Init
  [Called By]
  - >> main

  MX_USART1_UART_Init (Thumb, 40 bytes, Stack size 8 bytes, board.o(i.MX_USART1_UART_Init))
  [Stack]

  - Max Depth = 84
  - Call Chain = MX_USART1_UART_Init ⇒ HAL_UART_Init ⇒ HAL_UART_MspInit ⇒ HAL_GPIO_Init
  [Calls]
  - >> HAL_UART_Init
  [Called By]
  - >> main

  MemManage_Handler (Thumb, 4 bytes, Stack size 0 bytes, stm32f1xx_it.o(i.MemManage_Handler))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  NMI_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f1xx_it.o(i.NMI_Handler))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  PendSV_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f1xx_it.o(i.PendSV_Handler))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  SVC_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f1xx_it.o(i.SVC_Handler))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  SysTick_Handler (Thumb, 8 bytes, Stack size 8 bytes, stm32f1xx_it.o(i.SysTick_Handler))
  [Stack]

  - Max Depth = 8
  - Call Chain = SysTick_Handler
  [Calls]
  - >> HAL_IncTick
  [Address Reference Count : 1]
  - startup_stm32f103xb.o(RESET)

  SystemClock_Config (Thumb, 82 bytes, Stack size 64 bytes, board.o(i.SystemClock_Config))
  [Stack]

  - Max Depth = 144
  - Call Chain = SystemClock_Config ⇒ HAL_RCC_ClockConfig ⇒ HAL_InitTick ⇒ HAL_NVIC_SetPriority ⇒ NVIC_SetPriority
  [Calls]
  - >> HAL_RCC_OscConfig
  - >> HAL_RCC_ClockConfig
  - >> __aeabi_memclr4
  [Called By]
  - >> main

  SystemInit (Thumb, 70 bytes, Stack size 0 bytes, system_stm32f1xx.o(i.SystemInit))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(.text)

  UsageFault_Handler (Thumb, 4 bytes, Stack size 0 bytes, stm32f1xx_it.o(i.UsageFault_Handler))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

  WriteBuffer (Thumb, 26 bytes, Stack size 16 bytes, e_ink_420_bwr.o(i.WriteBuffer))
  [Stack]

  - Max Depth = 104
  - Call Chain = WriteBuffer ⇒ EPD_W21_WriteDATA ⇒ HAL_SPI_Transmit ⇒ SPI_CheckFlag_BSY ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> EPD_W21_WriteDATA
  [Called By]
  - >> main

  __0vsprintf (Thumb, 30 bytes, Stack size 24 bytes, printfa.o(i.__0vsprintf), UNUSED)
  [Calls]

  - >> _sputc
  - >> _printf_core

  __1vsprintf (Thumb, 0 bytes, Stack size 24 bytes, printfa.o(i.__0vsprintf), UNUSED)

  __2vsprintf (Thumb, 0 bytes, Stack size 24 bytes, printfa.o(i.__0vsprintf), UNUSED)

  __c89vsprintf (Thumb, 0 bytes, Stack size 24 bytes, printfa.o(i.__0vsprintf), UNUSED)

  vsprintf (Thumb, 0 bytes, Stack size 24 bytes, printfa.o(i.__0vsprintf))
  [Stack]

  - Max Depth = 24
  - Call Chain = vsprintf
  [Called By]
  - >> DebugPrintf

  __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, 106 bytes, Stack size 0 bytes, main.o(i.main))
  [Stack]

  - Max Depth = 288
  - Call Chain = main ⇒ DebugPrintf ⇒ HAL_UART_Transmit ⇒ UART_WaitOnFlagUntilTimeout
  [Calls]
  - >> WriteBuffer
  - >> HAL_Init
  - >> HAL_Delay
  - >> EPD_W21_WriteCMD
  - >> Display_Init
  - >> DisplayRefresh
  - >> DebugPrintf
  - >> SystemClock_Config
  - >> MX_USART1_UART_Init
  - >> MX_SPI1_Init
  - >> MX_GPIO_Init
  [Address Reference Count : 1]
  - entry9a.o(.ARM.Collect$$$$0000000B)

  ### Local Symbols

  SPI_CheckFlag_BSY (Thumb, 40 bytes, Stack size 24 bytes, stm32f1xx_hal_spi.o(i.SPI_CheckFlag_BSY))
  [Stack]

  - Max Depth = 48
  - Call Chain = SPI_CheckFlag_BSY ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> SPI_WaitFlagStateUntilTimeout
  [Called By]
  - >> HAL_SPI_Transmit

  SPI_WaitFlagStateUntilTimeout (Thumb, 170 bytes, Stack size 24 bytes, stm32f1xx_hal_spi.o(i.SPI_WaitFlagStateUntilTimeout))
  [Stack]

  - Max Depth = 24
  - Call Chain = SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> HAL_GetTick
  [Called By]
  - >> HAL_SPI_Transmit
  - >> SPI_CheckFlag_BSY

  UART_SetConfig (Thumb, 450 bytes, Stack size 24 bytes, stm32f1xx_hal_uart.o(i.UART_SetConfig))
  [Stack]

  - Max Depth = 28
  - Call Chain = UART_SetConfig ⇒ HAL_RCC_GetPCLK2Freq
  [Calls]
  - >> HAL_RCC_GetPCLK2Freq
  - >> HAL_RCC_GetPCLK1Freq
  [Called By]
  - >> HAL_UART_Init

  UART_WaitOnFlagUntilTimeout (Thumb, 108 bytes, Stack size 24 bytes, stm32f1xx_hal_uart.o(i.UART_WaitOnFlagUntilTimeout))
  [Stack]

  - Max Depth = 24
  - Call Chain = UART_WaitOnFlagUntilTimeout
  [Calls]
  - >> HAL_GetTick
  [Called By]
  - >> HAL_UART_Transmit

  RCC_Delay (Thumb, 36 bytes, Stack size 8 bytes, stm32f1xx_hal_rcc.o(i.RCC_Delay))
  [Stack]

  - Max Depth = 8
  - Call Chain = RCC_Delay
  [Called By]
  - >> HAL_RCC_OscConfig

  NVIC_GetPriorityGrouping (Thumb, 10 bytes, Stack size 0 bytes, stm32f1xx_hal_cortex.o(i.NVIC_GetPriorityGrouping))
  [Called By]

  - >> HAL_NVIC_SetPriority

  NVIC_SetPriority (Thumb, 32 bytes, Stack size 8 bytes, stm32f1xx_hal_cortex.o(i.NVIC_SetPriority))
  [Stack]

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

  _fp_digits (Thumb, 366 bytes, Stack size 64 bytes, printfa.o(i._fp_digits), UNUSED)
  [Calls]

  - >> __aeabi_uldivmod
  - >> __aeabi_dmul
  - >> __aeabi_ddiv
  - >> __aeabi_dadd
  - >> __aeabi_d2ulz
  - >> __aeabi_cdrcmple
  [Called By]
  - >> _printf_core

  _printf_core (Thumb, 1744 bytes, Stack size 136 bytes, printfa.o(i._printf_core), UNUSED)
  [Calls]

  - >> __aeabi_uldivmod
  - >> __aeabi_uidivmod
  - >> _printf_pre_padding
  - >> _printf_post_padding
  - >> _fp_digits
  [Called By]
  - >> __0vsprintf

  _printf_post_padding (Thumb, 36 bytes, Stack size 24 bytes, printfa.o(i._printf_post_padding), UNUSED)
  [Called By]

  - >> _printf_core

  _printf_pre_padding (Thumb, 46 bytes, Stack size 24 bytes, printfa.o(i._printf_pre_padding), UNUSED)
  [Called By]

  - >> _printf_core

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

  - >> __0vsprintf
  [Address Reference Count : 1]
  - printfa.o(i.__0vsprintf)

  ### Undefined Global Symbols