Static Call Graph - [.\Objects\example.axf]

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

#<CALLGRAPH># ARM Linker, 5060960: Last Updated: Fri May 26 23:35:19 2023

### Maximum Stack Usage = 232 bytes + Unknown(Functions without stacksize, Cycles, Untraceable Function Pointers)

### Call chain for Maximum Stack Depth:

__rt_entry_main ⇒ main ⇒ Sl2x23_demo ⇒ PcdAuthState ⇒ PcdComMF522 ⇒ SetBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte

### Functions with no stack information

- __user_initial_stackheap

### Mutually Recursive functions

- ADC1_COMP_IRQHandler ⇒ ADC1_COMP_IRQHandler

  ### Function Pointers

  - ADC1_COMP_IRQHandler from startup_stm32f0xx.o(.text) 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 spi.o(i.EXTI0_1_IRQHandler) 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 usart.o(i.USART1_IRQHandler) 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 __main.o(!!!main) referenced from startup_stm32f0xx.o(.text)
  - _printf_input_char from _printf_char_common.o(.text) referenced from _printf_char_common.o(.text)
  - delay_ms from utilities.o(i.delay_ms) referenced from utilities.o(.data)
  - fputc from usart.o(i.fputc) referenced from _printf_char_file.o(.text)

  ### Global Symbols

  __main (Thumb, 8 bytes, Stack size 0 bytes, __main.o(!!!main))
  [Calls]

  - >> __rt_entry
  - >> __scatterload

  __scatterload (Thumb, 0 bytes, Stack size unknown bytes, __scatter.o(!!!scatter))
  [Called By]

  - >> __main

  __scatterload_rt2 (Thumb, 52 bytes, Stack size unknown bytes, __scatter.o(!!!scatter), UNUSED)
  [Calls]

  - >> __rt_entry

  __scatterload_rt2_thumb_only (Thumb, 0 bytes, Stack size unknown bytes, __scatter.o(!!!scatter), UNUSED)

  __scatterload_null (Thumb, 0 bytes, Stack size unknown bytes, __scatter.o(!!!scatter), UNUSED)

  __scatterload_copy (Thumb, 26 bytes, Stack size unknown bytes, __scatter_copy.o(!!handler_copy), UNUSED)
  [Calls]

  - >> __scatterload_copy
  [Called By]
  - >> __scatterload_copy

  __scatterload_zeroinit (Thumb, 28 bytes, Stack size unknown bytes, __scatter_zi.o(!!handler_zi), UNUSED)

  _printf_percent (Thumb, 0 bytes, Stack size unknown bytes, _printf_percent.o(.ARM.Collect$$_printf_percent$$00000000))
  [Called By]

  - >> __printf

  _printf_x (Thumb, 0 bytes, Stack size unknown bytes, _printf_x.o(.ARM.Collect$$_printf_percent$$0000000C))
  [Stack]

  - Max Depth = 72 + Unknown Stack Size
  - Call Chain = _printf_x ⇒ _printf_int_hex ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_percent_end
  - >> _printf_int_hex

  _printf_percent_end (Thumb, 0 bytes, Stack size unknown bytes, _printf_percent_end.o(.ARM.Collect$$_printf_percent$$00000017))
  [Called By]

  - >> _printf_x

  __rt_lib_init (Thumb, 0 bytes, Stack size unknown bytes, libinit.o(.ARM.Collect$$libinit$$00000000))
  [Called By]

  - >> __rt_entry_li

  __rt_lib_init_alloca_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000002E))

  __rt_lib_init_argv_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000002C))

  __rt_lib_init_atexit_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000001B))

  __rt_lib_init_clock_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000021))

  __rt_lib_init_cpp_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000032))

  __rt_lib_init_exceptions_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000030))

  __rt_lib_init_fp_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000002))

  __rt_lib_init_fp_trap_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000001F))

  __rt_lib_init_getenv_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000023))

  __rt_lib_init_heap_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000000A))

  __rt_lib_init_lc_collate_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000011))

  __rt_lib_init_lc_ctype_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000013))

  __rt_lib_init_lc_monetary_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000015))

  __rt_lib_init_lc_numeric_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000017))

  __rt_lib_init_lc_time_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000019))

  __rt_lib_init_preinit_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000004))

  __rt_lib_init_rand_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000000E))

  __rt_lib_init_return (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000033))

  __rt_lib_init_signal_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000001D))

  __rt_lib_init_stdio_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000025))

  __rt_lib_init_user_alloc_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000000C))

  __rt_lib_shutdown (Thumb, 0 bytes, Stack size unknown bytes, libshutdown.o(.ARM.Collect$$libshutdown$$00000000))
  [Called By]

  - >> __rt_exit_ls

  __rt_lib_shutdown_cpp_1 (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$00000004))

  __rt_lib_shutdown_fini_1 (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$00000002))

  __rt_lib_shutdown_fp_trap_1 (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$00000009))

  __rt_lib_shutdown_heap_1 (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$00000011))

  __rt_lib_shutdown_return (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$00000012))

  __rt_lib_shutdown_signal_1 (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$0000000C))

  __rt_lib_shutdown_stdio_1 (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$00000006))

  __rt_lib_shutdown_user_alloc_1 (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$0000000E))

  __rt_entry (Thumb, 0 bytes, Stack size unknown bytes, __rtentry.o(.ARM.Collect$$rtentry$$00000000))
  [Called By]

  - >> __main
  - >> __scatterload_rt2

  __rt_entry_presh_1 (Thumb, 0 bytes, Stack size unknown bytes, __rtentry2.o(.ARM.Collect$$rtentry$$00000002))

  __rt_entry_sh (Thumb, 0 bytes, Stack size unknown bytes, __rtentry4.o(.ARM.Collect$$rtentry$$00000004))
  [Stack]

  - Max Depth = 8 + Unknown Stack Size
  - Call Chain = __rt_entry_sh ⇒ __user_setup_stackheap
  [Calls]
  - >> __user_setup_stackheap

  __rt_entry_li (Thumb, 0 bytes, Stack size unknown bytes, __rtentry2.o(.ARM.Collect$$rtentry$$0000000A))
  [Calls]

  - >> __rt_lib_init

  __rt_entry_postsh_1 (Thumb, 0 bytes, Stack size unknown bytes, __rtentry2.o(.ARM.Collect$$rtentry$$00000009))

  __rt_entry_main (Thumb, 0 bytes, Stack size unknown bytes, __rtentry2.o(.ARM.Collect$$rtentry$$0000000D))
  [Stack]

  - Max Depth = 232 + Unknown Stack Size
  - Call Chain = __rt_entry_main ⇒ main ⇒ Sl2x23_demo ⇒ PcdAuthState ⇒ PcdComMF522 ⇒ SetBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> main
  - >> exit

  __rt_entry_postli_1 (Thumb, 0 bytes, Stack size unknown bytes, __rtentry2.o(.ARM.Collect$$rtentry$$0000000C))

  __rt_exit (Thumb, 0 bytes, Stack size unknown bytes, rtexit.o(.ARM.Collect$$rtexit$$00000000))
  [Called By]

  - >> exit

  __rt_exit_ls (Thumb, 0 bytes, Stack size unknown bytes, rtexit2.o(.ARM.Collect$$rtexit$$00000003))
  [Calls]

  - >> __rt_lib_shutdown

  __rt_exit_prels_1 (Thumb, 0 bytes, Stack size unknown bytes, rtexit2.o(.ARM.Collect$$rtexit$$00000002))

  __rt_exit_exit (Thumb, 0 bytes, Stack size unknown bytes, rtexit2.o(.ARM.Collect$$rtexit$$00000004))
  [Calls]

  - >> _sys_exit

  __aeabi_memcpy4 (Thumb, 56 bytes, Stack size 0 bytes, rt_memcpy.o(.emb_text))
  [Called By]

  - >> __aeabi_memcpy

  __aeabi_memcpy8 (Thumb, 0 bytes, Stack size 0 bytes, rt_memcpy.o(.emb_text), UNUSED)

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

  - startup_stm32f0xx.o(RESET)

  ADC1_COMP_IRQHandler (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f0xx.o(.text))
  [Calls]

  - >> ADC1_COMP_IRQHandler
  [Called By]
  - >> ADC1_COMP_IRQHandler
  [Address Reference Count : 1]
  - startup_stm32f0xx.o(RESET)

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

  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)

  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)

  __user_initial_stackheap (Thumb, 0 bytes, Stack size unknown bytes, startup_stm32f0xx.o(.text))
  [Called By]

  - >> __user_setup_stackheap

  __use_no_semihosting (Thumb, 2 bytes, Stack size 0 bytes, use_no_semi_2.o(.text), UNUSED)

  __2printf (Thumb, 22 bytes, Stack size 24 bytes, noretval__2printf.o(.text))
  [Stack]

  - Max Depth = 136 + Unknown Stack Size
  - Call Chain = __2printf ⇒ _printf_char_file ⇒ _printf_char_common ⇒ __printf
  [Calls]
  - >> _printf_char_file
  [Called By]
  - >> Sl2x23_spi_test
  - >> Sl2x23_demo

  _printf_pre_padding (Thumb, 44 bytes, Stack size 16 bytes, _printf_pad.o(.text))
  [Stack]

  - Max Depth = 16
  - Call Chain = _printf_pre_padding
  [Called By]
  - >> _printf_int_common

  _printf_post_padding (Thumb, 34 bytes, Stack size 16 bytes, _printf_pad.o(.text))
  [Stack]

  - Max Depth = 16
  - Call Chain = _printf_post_padding
  [Called By]
  - >> _printf_int_common

  _printf_int_hex (Thumb, 84 bytes, Stack size 16 bytes, _printf_hex_int.o(.text))
  [Stack]

  - Max Depth = 72
  - Call Chain = _printf_int_hex ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_int_common
  - >> _printf_truncate_unsigned (Weak Reference)
  [Called By]
  - >> _printf_x

  _printf_longlong_hex (Thumb, 0 bytes, Stack size 16 bytes, _printf_hex_int.o(.text), UNUSED)

  __printf (Thumb, 306 bytes, Stack size 32 bytes, __printf_flags_wp.o(.text))
  [Stack]

  - Max Depth = 32 + Unknown Stack Size
  - Call Chain = __printf
  [Calls]
  - >> _printf_percent
  - >> _is_digit
  [Called By]
  - >> _printf_char_common

  __aeabi_memcpy (Thumb, 130 bytes, Stack size 24 bytes, rt_memcpy.o(.text))
  [Stack]

  - Max Depth = 24
  - Call Chain = __aeabi_memcpy
  [Calls]
  - >> __aeabi_memcpy4
  [Called By]
  - >> PcdWrite
  - >> PcdRead
  - >> PcdAuthState

  __rt_memcpy (Thumb, 0 bytes, Stack size 24 bytes, rt_memcpy.o(.text), UNUSED)

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

  __aeabi_uidivmod (Thumb, 20 bytes, Stack size 0 bytes, aeabi_sdiv.o(.text))
  [Called By]

  - >> RCC_GetClocksFreq
  - >> USART_Init

  __aeabi_idiv (Thumb, 0 bytes, Stack size 8 bytes, aeabi_sdiv.o(.text), UNUSED)

  __aeabi_idivmod (Thumb, 326 bytes, Stack size 8 bytes, aeabi_sdiv.o(.text), UNUSED)

  __use_two_region_memory (Thumb, 2 bytes, Stack size 0 bytes, heapauxi.o(.text), UNUSED)

  __rt_heap_escrow$2region (Thumb, 2 bytes, Stack size 0 bytes, heapauxi.o(.text), UNUSED)

  __rt_heap_expand$2region (Thumb, 2 bytes, Stack size 0 bytes, heapauxi.o(.text), UNUSED)

  __I$use$semihosting (Thumb, 0 bytes, Stack size 0 bytes, use_no_semi.o(.text), UNUSED)

  __use_no_semihosting_swi (Thumb, 2 bytes, Stack size 0 bytes, use_no_semi.o(.text), UNUSED)

  _printf_int_common (Thumb, 176 bytes, Stack size 40 bytes, _printf_intcommon.o(.text))
  [Stack]

  - Max Depth = 56
  - Call Chain = _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_post_padding
  - >> _printf_pre_padding
  [Called By]
  - >> _printf_int_hex

  _printf_char_file (Thumb, 34 bytes, Stack size 16 bytes, _printf_char_file.o(.text))
  [Stack]

  - Max Depth = 112 + Unknown Stack Size
  - Call Chain = _printf_char_file ⇒ _printf_char_common ⇒ __printf
  [Calls]
  - >> ferror
  - >> _printf_char_common
  [Called By]
  - >> __2printf

  _printf_char_common (Thumb, 32 bytes, Stack size 64 bytes, _printf_char_common.o(.text))
  [Stack]

  - Max Depth = 96 + Unknown Stack Size
  - Call Chain = _printf_char_common ⇒ __printf
  [Calls]
  - >> __printf
  [Called By]
  - >> _printf_char_file

  ferror (Thumb, 8 bytes, Stack size 0 bytes, ferror.o(.text))
  [Called By]

  - >> _printf_char_file

  __user_setup_stackheap (Thumb, 62 bytes, Stack size 8 bytes, sys_stackheap_outer.o(.text))
  [Stack]

  - Max Depth = 8 + Unknown Stack Size
  - Call Chain = __user_setup_stackheap
  [Calls]
  - >> __user_initial_stackheap
  - >> __user_perproc_libspace
  [Called By]
  - >> __rt_entry_sh

  exit (Thumb, 16 bytes, Stack size 8 bytes, exit.o(.text))
  [Stack]

  - Max Depth = 8 + Unknown Stack Size
  - Call Chain = exit
  [Calls]
  - >> __rt_exit
  - >> _call_atexit_fns (Weak Reference)
  [Called By]
  - >> __rt_entry_main

  __user_libspace (Thumb, 8 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

  __user_perproc_libspace (Thumb, 0 bytes, Stack size 0 bytes, libspace.o(.text))
  [Called By]

  - >> __user_setup_stackheap

  __user_perthread_libspace (Thumb, 0 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

  CalulateCRC (Thumb, 106 bytes, Stack size 32 bytes, xx522.o(i.CalulateCRC))
  [Stack]

  - Max Depth = 88
  - Call Chain = CalulateCRC ⇒ SetBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> WriteRawRC
  - >> SetBitMask
  - >> ReadRawRC
  - >> ClearBitMask
  [Called By]
  - >> PcdWrite
  - >> PcdSelect
  - >> PcdRead

  ClearBitMask (Thumb, 30 bytes, Stack size 16 bytes, xx522.o(i.ClearBitMask))
  [Stack]

  - Max Depth = 56
  - Call Chain = ClearBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> WriteRawRC
  - >> ReadRawRC
  [Called By]
  - >> PcdSelect
  - >> PcdRequest
  - >> PcdConfigISOType
  - >> PcdComMF522
  - >> PcdAnticoll
  - >> PcdAntennaOff
  - >> CalulateCRC

  DEV_ReadSR (Thumb, 42 bytes, Stack size 16 bytes, spi.o(i.DEV_ReadSR))
  [Stack]

  - Max Depth = 24
  - Call Chain = DEV_ReadSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> SPI_ReadWriteByte
  [Called By]
  - >> ReadRawRC

  DEV_SPI_Init (Thumb, 230 bytes, Stack size 32 bytes, spi.o(i.DEV_SPI_Init))
  [Stack]

  - Max Depth = 52
  - Call Chain = DEV_SPI_Init ⇒ GPIO_PinAFConfig
  [Calls]
  - >> GPIO_PinAFConfig
  - >> GPIO_Init
  - >> SPI_RxFIFOThresholdConfig
  - >> SPI_Init
  - >> SPI_Cmd
  - >> RCC_APB1PeriphClockCmd
  - >> RCC_AHBPeriphClockCmd
  [Called By]
  - >> main

  DEV_WriteSR (Thumb, 38 bytes, Stack size 16 bytes, spi.o(i.DEV_WriteSR))
  [Stack]

  - Max Depth = 24
  - Call Chain = DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> SPI_ReadWriteByte
  [Called By]
  - >> WriteRawRC

  EXTI0_1_IRQHandler (Thumb, 40 bytes, Stack size 8 bytes, spi.o(i.EXTI0_1_IRQHandler))
  [Stack]

  - Max Depth = 8
  - Call Chain = EXTI0_1_IRQHandler
  [Calls]
  - >> EXTI_GetITStatus
  - >> EXTI_ClearITPendingBit
  [Address Reference Count : 1]
  - startup_stm32f0xx.o(RESET)

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

  - >> EXTI0_1_IRQHandler

  EXTI_GetITStatus (Thumb, 36 bytes, Stack size 0 bytes, stm32f0xx_exti.o(i.EXTI_GetITStatus))
  [Called By]

  - >> EXTI0_1_IRQHandler

  EXTI_Init (Thumb, 132 bytes, Stack size 0 bytes, stm32f0xx_exti.o(i.EXTI_Init))
  [Called By]

  - >> INT2_EXTI_Config

  GPIO_Init (Thumb, 144 bytes, Stack size 20 bytes, stm32f0xx_gpio.o(i.GPIO_Init))
  [Stack]

  - Max Depth = 20
  - Call Chain = GPIO_Init
  [Called By]
  - >> uart_init
  - >> Init_LED
  - >> DEV_SPI_Init
  - >> INT2_EXTI_Config

  GPIO_PinAFConfig (Thumb, 68 bytes, Stack size 20 bytes, stm32f0xx_gpio.o(i.GPIO_PinAFConfig))
  [Stack]

  - Max Depth = 20
  - Call Chain = GPIO_PinAFConfig
  [Called By]
  - >> uart_init
  - >> DEV_SPI_Init

  HardFault_Handler (Thumb, 4 bytes, Stack size 0 bytes, stm32f0xx_it.o(i.HardFault_Handler))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  INT2_EXTI_Config (Thumb, 96 bytes, Stack size 24 bytes, spi.o(i.INT2_EXTI_Config))
  [Stack]

  - Max Depth = 44
  - Call Chain = INT2_EXTI_Config ⇒ GPIO_Init
  [Calls]
  - >> NVIC_Init
  - >> GPIO_Init
  - >> EXTI_Init
  - >> SYSCFG_EXTILineConfig
  - >> RCC_APB2PeriphClockCmd
  - >> RCC_AHBPeriphClockCmd
  [Called By]
  - >> INT_EXTI_Config

  INT_EXTI_Config (Thumb, 8 bytes, Stack size 8 bytes, spi.o(i.INT_EXTI_Config))
  [Stack]

  - Max Depth = 52
  - Call Chain = INT_EXTI_Config ⇒ INT2_EXTI_Config ⇒ GPIO_Init
  [Calls]
  - >> INT2_EXTI_Config
  [Called By]
  - >> main

  InitXX522 (Thumb, 48 bytes, Stack size 8 bytes, xx522.o(i.InitXX522))
  [Stack]

  - Max Depth = 72
  - Call Chain = InitXX522 ⇒ PcdConfigISOType ⇒ ClearBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> delay_1ms
  - >> WriteRawRC
  - >> Sl2x23_config
  - >> PcdReset
  - >> PcdConfigISOType
  - >> PcdAntennaOn
  - >> PcdAntennaOff
  [Called By]
  - >> Sl2x23_demo

  Init_LED (Thumb, 38 bytes, Stack size 16 bytes, utilities.o(i.Init_LED))
  [Stack]

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

  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, 106 bytes, Stack size 0 bytes, stm32f0xx_misc.o(i.NVIC_Init))
  [Called By]

  - >> uart_init
  - >> INT2_EXTI_Config

  PcdAntennaOff (Thumb, 12 bytes, Stack size 8 bytes, xx522.o(i.PcdAntennaOff))
  [Stack]

  - Max Depth = 64
  - Call Chain = PcdAntennaOff ⇒ ClearBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> ClearBitMask
  [Called By]
  - >> Sl2x23_demo
  - >> InitXX522

  PcdAntennaOn (Thumb, 28 bytes, Stack size 8 bytes, xx522.o(i.PcdAntennaOn))
  [Stack]

  - Max Depth = 64
  - Call Chain = PcdAntennaOn ⇒ SetBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> SetBitMask
  - >> ReadRawRC
  [Called By]
  - >> InitXX522

  PcdAnticoll (Thumb, 112 bytes, Stack size 48 bytes, xx522.o(i.PcdAnticoll))
  [Stack]

  - Max Depth = 152
  - Call Chain = PcdAnticoll ⇒ PcdComMF522 ⇒ SetBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> WriteRawRC
  - >> SetBitMask
  - >> PcdComMF522
  - >> ClearBitMask
  [Called By]
  - >> Sl2x23_demo

  PcdAuthState (Thumb, 80 bytes, Stack size 64 bytes, xx522.o(i.PcdAuthState))
  [Stack]

  - Max Depth = 168
  - Call Chain = PcdAuthState ⇒ PcdComMF522 ⇒ SetBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> __aeabi_memcpy
  - >> ReadRawRC
  - >> PcdComMF522
  [Called By]
  - >> Sl2x23_demo

  PcdComMF522 (Thumb, 324 bytes, Stack size 48 bytes, xx522.o(i.PcdComMF522))
  [Stack]

  - Max Depth = 104
  - Call Chain = PcdComMF522 ⇒ SetBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> WriteRawRC
  - >> SetBitMask
  - >> ReadRawRC
  - >> ClearBitMask
  [Called By]
  - >> PcdWrite
  - >> PcdSelect
  - >> PcdRequest
  - >> PcdRead
  - >> PcdAuthState
  - >> PcdAnticoll

  PcdConfigISOType (Thumb, 86 bytes, Stack size 8 bytes, xx522.o(i.PcdConfigISOType))
  [Stack]

  - Max Depth = 64
  - Call Chain = PcdConfigISOType ⇒ ClearBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> WriteRawRC
  - >> Sl2x23_config
  - >> ClearBitMask
  [Called By]
  - >> InitXX522

  PcdRead (Thumb, 78 bytes, Stack size 48 bytes, xx522.o(i.PcdRead))
  [Stack]

  - Max Depth = 152
  - Call Chain = PcdRead ⇒ PcdComMF522 ⇒ SetBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> __aeabi_memcpy
  - >> PcdComMF522
  - >> CalulateCRC
  [Called By]
  - >> Sl2x23_demo

  PcdRequest (Thumb, 88 bytes, Stack size 48 bytes, xx522.o(i.PcdRequest))
  [Stack]

  - Max Depth = 152
  - Call Chain = PcdRequest ⇒ PcdComMF522 ⇒ SetBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> WriteRawRC
  - >> SetBitMask
  - >> PcdComMF522
  - >> ClearBitMask
  [Called By]
  - >> Sl2x23_demo

  PcdReset (Thumb, 74 bytes, Stack size 8 bytes, xx522.o(i.PcdReset))
  [Stack]

  - Max Depth = 48
  - Call Chain = PcdReset ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> delay_1ms
  - >> WriteRawRC
  [Called By]
  - >> Sl2x23_spi_test
  - >> InitXX522

  PcdSelect (Thumb, 112 bytes, Stack size 48 bytes, xx522.o(i.PcdSelect))
  [Stack]

  - Max Depth = 152
  - Call Chain = PcdSelect ⇒ PcdComMF522 ⇒ SetBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> PcdComMF522
  - >> ClearBitMask
  - >> CalulateCRC
  [Called By]
  - >> Sl2x23_demo

  PcdWrite (Thumb, 146 bytes, Stack size 48 bytes, xx522.o(i.PcdWrite))
  [Stack]

  - Max Depth = 152
  - Call Chain = PcdWrite ⇒ PcdComMF522 ⇒ SetBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> __aeabi_memcpy
  - >> PcdComMF522
  - >> CalulateCRC
  [Called By]
  - >> Sl2x23_demo

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

  - >> uart_init
  - >> Init_LED
  - >> DEV_SPI_Init
  - >> INT2_EXTI_Config

  RCC_APB1PeriphClockCmd (Thumb, 28 bytes, Stack size 0 bytes, stm32f0xx_rcc.o(i.RCC_APB1PeriphClockCmd))
  [Called By]

  - >> DEV_SPI_Init

  RCC_APB2PeriphClockCmd (Thumb, 28 bytes, Stack size 0 bytes, stm32f0xx_rcc.o(i.RCC_APB2PeriphClockCmd))
  [Called By]

  - >> uart_init
  - >> INT2_EXTI_Config

  RCC_GetClocksFreq (Thumb, 340 bytes, Stack size 32 bytes, stm32f0xx_rcc.o(i.RCC_GetClocksFreq))
  [Stack]

  - Max Depth = 32
  - Call Chain = RCC_GetClocksFreq
  [Calls]
  - >> __aeabi_uidivmod
  [Called By]
  - >> USART_Init

  ReadRawRC (Thumb, 18 bytes, Stack size 8 bytes, xx522.o(i.ReadRawRC))
  [Stack]

  - Max Depth = 32
  - Call Chain = ReadRawRC ⇒ DEV_ReadSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> DEV_ReadSR
  [Called By]
  - >> Sl2x23_spi_test
  - >> Sl2x23_config
  - >> SetBitMask
  - >> PcdComMF522
  - >> PcdAuthState
  - >> PcdAntennaOn
  - >> ClearBitMask
  - >> CalulateCRC

  SPI_Cmd (Thumb, 24 bytes, Stack size 0 bytes, stm32f0xx_spi.o(i.SPI_Cmd))
  [Called By]

  - >> DEV_SPI_Init

  SPI_I2S_GetFlagStatus (Thumb, 20 bytes, Stack size 0 bytes, stm32f0xx_spi.o(i.SPI_I2S_GetFlagStatus))
  [Called By]

  - >> SPI_ReadWriteByte

  SPI_Init (Thumb, 76 bytes, Stack size 8 bytes, stm32f0xx_spi.o(i.SPI_Init))
  [Stack]

  - Max Depth = 8
  - Call Chain = SPI_Init
  [Called By]
  - >> DEV_SPI_Init

  SPI_ReadWriteByte (Thumb, 48 bytes, Stack size 8 bytes, spi.o(i.SPI_ReadWriteByte))
  [Stack]

  - Max Depth = 8
  - Call Chain = SPI_ReadWriteByte
  [Calls]
  - >> SPI_SendData8
  - >> SPI_ReceiveData8
  - >> SPI_I2S_GetFlagStatus
  [Called By]
  - >> DEV_WriteSR
  - >> DEV_ReadSR

  SPI_ReceiveData8 (Thumb, 12 bytes, Stack size 0 bytes, stm32f0xx_spi.o(i.SPI_ReceiveData8))
  [Called By]

  - >> SPI_ReadWriteByte

  SPI_RxFIFOThresholdConfig (Thumb, 16 bytes, Stack size 0 bytes, stm32f0xx_spi.o(i.SPI_RxFIFOThresholdConfig))
  [Called By]

  - >> DEV_SPI_Init

  SPI_SendData8 (Thumb, 10 bytes, Stack size 0 bytes, stm32f0xx_spi.o(i.SPI_SendData8))
  [Called By]

  - >> SPI_ReadWriteByte

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

  - startup_stm32f0xx.o(RESET)

  SYSCFG_EXTILineConfig (Thumb, 60 bytes, Stack size 12 bytes, stm32f0xx_syscfg.o(i.SYSCFG_EXTILineConfig))
  [Stack]

  - Max Depth = 12
  - Call Chain = SYSCFG_EXTILineConfig
  [Called By]
  - >> INT2_EXTI_Config

  SetBitMask (Thumb, 30 bytes, Stack size 16 bytes, xx522.o(i.SetBitMask))
  [Stack]

  - Max Depth = 56
  - Call Chain = SetBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> WriteRawRC
  - >> ReadRawRC
  [Called By]
  - >> PcdRequest
  - >> PcdComMF522
  - >> PcdAnticoll
  - >> PcdAntennaOn
  - >> CalulateCRC

  Sl2x23_config (Thumb, 62 bytes, Stack size 8 bytes, xx522.o(i.Sl2x23_config))
  [Stack]

  - Max Depth = 48
  - Call Chain = Sl2x23_config ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> WriteRawRC
  - >> ReadRawRC
  [Called By]
  - >> PcdConfigISOType
  - >> InitXX522

  Sl2x23_demo (Thumb, 348 bytes, Stack size 64 bytes, xx522.o(i.Sl2x23_demo))
  [Stack]

  - Max Depth = 232 + Unknown Stack Size
  - Call Chain = Sl2x23_demo ⇒ PcdAuthState ⇒ PcdComMF522 ⇒ SetBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> __2printf
  - >> PcdWrite
  - >> PcdSelect
  - >> PcdRequest
  - >> PcdRead
  - >> PcdAuthState
  - >> PcdAnticoll
  - >> PcdAntennaOff
  - >> InitXX522
  [Called By]
  - >> main

  Sl2x23_spi_test (Thumb, 96 bytes, Stack size 24 bytes, xx522.o(i.Sl2x23_spi_test))
  [Stack]

  - Max Depth = 160 + Unknown Stack Size
  - Call Chain = Sl2x23_spi_test ⇒ __2printf ⇒ _printf_char_file ⇒ _printf_char_common ⇒ __printf
  [Calls]
  - >> __2printf
  - >> WriteRawRC
  - >> ReadRawRC
  - >> PcdReset
  [Called By]
  - >> main

  SysTick_Handler (Thumb, 30 bytes, Stack size 0 bytes, stm32f0xx_it.o(i.SysTick_Handler))
  [Address Reference Count : 1]

  - startup_stm32f0xx.o(RESET)

  SystemInit (Thumb, 110 bytes, Stack size 8 bytes, system_stm32f0xx.o(i.SystemInit))
  [Stack]

  - Max Depth = 20
  - Call Chain = SystemInit ⇒ SetSysClock
  [Calls]
  - >> SetSysClock
  [Address Reference Count : 1]
  - startup_stm32f0xx.o(.text)

  USART1_IRQHandler (Thumb, 278 bytes, Stack size 8 bytes, usart.o(i.USART1_IRQHandler))
  [Stack]

  - Max Depth = 24
  - Call Chain = USART1_IRQHandler ⇒ USART_GetITStatus
  [Calls]
  - >> USART_ReceiveData
  - >> USART_GetITStatus
  - >> USART_GetFlagStatus
  - >> USART_ClearITPendingBit
  - >> USART_ClearFlag
  [Address Reference Count : 1]
  - startup_stm32f0xx.o(RESET)

  USART_ClearFlag (Thumb, 4 bytes, Stack size 0 bytes, stm32f0xx_usart.o(i.USART_ClearFlag))
  [Called By]

  - >> uart_init
  - >> USART1_IRQHandler

  USART_ClearITPendingBit (Thumb, 18 bytes, Stack size 8 bytes, stm32f0xx_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, stm32f0xx_usart.o(i.USART_Cmd))
  [Called By]

  - >> uart_init

  USART_GetFlagStatus (Thumb, 20 bytes, Stack size 0 bytes, stm32f0xx_usart.o(i.USART_GetFlagStatus))
  [Called By]

  - >> fputc
  - >> USART1_IRQHandler

  USART_GetITStatus (Thumb, 78 bytes, Stack size 16 bytes, stm32f0xx_usart.o(i.USART_GetITStatus))
  [Stack]

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

  USART_ITConfig (Thumb, 66 bytes, Stack size 24 bytes, stm32f0xx_usart.o(i.USART_ITConfig))
  [Stack]

  - Max Depth = 24
  - Call Chain = USART_ITConfig
  [Called By]
  - >> uart_init

  USART_Init (Thumb, 202 bytes, Stack size 56 bytes, stm32f0xx_usart.o(i.USART_Init))
  [Stack]

  - Max Depth = 88
  - Call Chain = USART_Init ⇒ RCC_GetClocksFreq
  [Calls]
  - >> RCC_GetClocksFreq
  - >> __aeabi_uidivmod
  [Called By]
  - >> uart_init

  USART_ReceiveData (Thumb, 10 bytes, Stack size 0 bytes, stm32f0xx_usart.o(i.USART_ReceiveData))
  [Called By]

  - >> USART1_IRQHandler

  USART_SendData (Thumb, 8 bytes, Stack size 0 bytes, stm32f0xx_usart.o(i.USART_SendData))
  [Called By]

  - >> fputc

  WriteRawRC (Thumb, 18 bytes, Stack size 16 bytes, xx522.o(i.WriteRawRC))
  [Stack]

  - Max Depth = 40
  - Call Chain = WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> DEV_WriteSR
  [Called By]
  - >> Sl2x23_spi_test
  - >> Sl2x23_config
  - >> SetBitMask
  - >> PcdReset
  - >> PcdRequest
  - >> PcdConfigISOType
  - >> PcdComMF522
  - >> PcdAnticoll
  - >> InitXX522
  - >> ClearBitMask
  - >> CalulateCRC

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

  - >> __printf

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

  - >> __rt_exit_exit

  delay_1ms (Thumb, 12 bytes, Stack size 8 bytes, xx522.o(i.delay_1ms))
  [Stack]

  - Max Depth = 32
  - Call Chain = delay_1ms ⇒ delay_ms ⇒ SysTick_Config ⇒ __NVIC_SetPriority
  [Calls]
  - >> delay_ms
  [Called By]
  - >> main
  - >> PcdReset
  - >> InitXX522

  delay_ms (Thumb, 52 bytes, Stack size 8 bytes, utilities.o(i.delay_ms))
  [Stack]

  - Max Depth = 24
  - Call Chain = delay_ms ⇒ SysTick_Config ⇒ __NVIC_SetPriority
  [Calls]
  - >> SysTick_Config
  [Called By]
  - >> delay_1ms
  [Address Reference Count : 1]
  - utilities.o(.data)

  fputc (Thumb, 52 bytes, Stack size 16 bytes, usart.o(i.fputc))
  [Stack]

  - Max Depth = 16
  - Call Chain = fputc
  [Calls]
  - >> USART_SendData
  - >> USART_GetFlagStatus
  [Address Reference Count : 1]
  - _printf_char_file.o(.text)

  main (Thumb, 40 bytes, Stack size 0 bytes, main.o(i.main))
  [Stack]

  - Max Depth = 232 + Unknown Stack Size
  - Call Chain = main ⇒ Sl2x23_demo ⇒ PcdAuthState ⇒ PcdComMF522 ⇒ SetBitMask ⇒ WriteRawRC ⇒ DEV_WriteSR ⇒ SPI_ReadWriteByte
  [Calls]
  - >> uart_init
  - >> delay_1ms
  - >> Sl2x23_spi_test
  - >> Sl2x23_demo
  - >> Init_LED
  - >> INT_EXTI_Config
  - >> DEV_SPI_Init
  [Called By]
  - >> __rt_entry_main

  uart_init (Thumb, 152 bytes, Stack size 48 bytes, usart.o(i.uart_init))
  [Stack]

  - Max Depth = 136
  - Call Chain = uart_init ⇒ USART_Init ⇒ RCC_GetClocksFreq
  [Calls]
  - >> NVIC_Init
  - >> GPIO_PinAFConfig
  - >> GPIO_Init
  - >> RCC_APB2PeriphClockCmd
  - >> RCC_AHBPeriphClockCmd
  - >> USART_Init
  - >> USART_ITConfig
  - >> USART_Cmd
  - >> USART_ClearFlag
  [Called By]
  - >> main

  ### Local Symbols

  SetSysClock (Thumb, 224 bytes, Stack size 12 bytes, system_stm32f0xx.o(i.SetSysClock))
  [Stack]

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

  SysTick_Config (Thumb, 44 bytes, Stack size 8 bytes, utilities.o(i.SysTick_Config))
  [Stack]

  - Max Depth = 16
  - Call Chain = SysTick_Config ⇒ __NVIC_SetPriority
  [Calls]
  - >> __NVIC_SetPriority
  [Called By]
  - >> delay_ms

  __NVIC_SetPriority (Thumb, 110 bytes, Stack size 8 bytes, utilities.o(i.__NVIC_SetPriority))
  [Stack]

  - Max Depth = 8
  - Call Chain = __NVIC_SetPriority
  [Called By]
  - >> SysTick_Config

  _printf_input_char (Thumb, 10 bytes, Stack size 0 bytes, _printf_char_common.o(.text))
  [Address Reference Count : 1]

  - _printf_char_common.o(.text)

  ### Undefined Global Symbols

  _call_atexit_fns (ARM, 0 bytes, Stack size 0 bytes, UNDEFINED)
  [Called By]

  - >> exit

  _printf_truncate_unsigned (ARM, 0 bytes, Stack size 0 bytes, UNDEFINED)
  [Called By]

  - >> _printf_int_hex