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

#<CALLGRAPH># ARM Linker, 5060960: Last Updated: Sat Nov 29 00:20:22 2025

### Maximum Stack Usage = 464 bytes + Unknown(Functions without stacksize, Cycles, Untraceable Function Pointers)

### Call chain for Maximum Stack Depth:

__rt_entry_main ⇒ main ⇒ menu2_RencentTime ⇒ OLED_Printf ⇒ OLED_ShowString ⇒ OLED_ShowChar ⇒ OLED_ShowImage ⇒ OLED_ClearArea

### Functions with no stack information

- __user_initial_stackheap

### 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 main.o(i.TIM2_IRQHandler) 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 startup_stm32f10x_md.o(.text) 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 __main.o(!!!main) referenced from startup_stm32f10x_md.o(.text)
  - _get_lc_ctype from lc_ctype_c.o(locale$$code) referenced from rt_ctype_table.o(.text)
  - _printf_input_char from _printf_char_common.o(.text) referenced from _printf_char_common.o(.text)
  - _sputc from _sputc.o(.text) referenced from vsprintf.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, 44 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_n (Thumb, 0 bytes, Stack size unknown bytes, _printf_n.o(.ARM.Collect$$_printf_percent$$00000001))
  [Calls]

  - >> _printf_charcount

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

  - >> __printf

  _printf_p (Thumb, 0 bytes, Stack size unknown bytes, _printf_p.o(.ARM.Collect$$_printf_percent$$00000002))
  [Stack]

  - Max Depth = 64 + Unknown Stack Size
  - Call Chain = _printf_p ⇒ _printf_hex_ptr ⇒ _printf_longlong_hex ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_hex_ptr

  _printf_f (Thumb, 0 bytes, Stack size unknown bytes, _printf_f.o(.ARM.Collect$$_printf_percent$$00000003))
  [Stack]

  - Max Depth = 324 + Unknown Stack Size
  - Call Chain = _printf_f ⇒ _printf_fp_dec ⇒ _printf_fp_dec_real ⇒ _fp_digits ⇒ _btod_etento ⇒ _btod_emul ⇒ _e2e
  [Calls]
  - >> _printf_fp_dec

  _printf_e (Thumb, 0 bytes, Stack size unknown bytes, _printf_e.o(.ARM.Collect$$_printf_percent$$00000004))
  [Stack]

  - Max Depth = 324 + Unknown Stack Size
  - Call Chain = _printf_e ⇒ _printf_fp_dec ⇒ _printf_fp_dec_real ⇒ _fp_digits ⇒ _btod_etento ⇒ _btod_emul ⇒ _e2e
  [Calls]
  - >> _printf_fp_dec

  _printf_g (Thumb, 0 bytes, Stack size unknown bytes, _printf_g.o(.ARM.Collect$$_printf_percent$$00000005))
  [Stack]

  - Max Depth = 324 + Unknown Stack Size
  - Call Chain = _printf_g ⇒ _printf_fp_dec ⇒ _printf_fp_dec_real ⇒ _fp_digits ⇒ _btod_etento ⇒ _btod_emul ⇒ _e2e
  [Calls]
  - >> _printf_fp_dec

  _printf_a (Thumb, 0 bytes, Stack size unknown bytes, _printf_a.o(.ARM.Collect$$_printf_percent$$00000006))
  [Stack]

  - Max Depth = 112 + Unknown Stack Size
  - Call Chain = _printf_a ⇒ _printf_fp_hex ⇒ _printf_fp_hex_real ⇒ _printf_fp_infnan ⇒ _printf_post_padding
  [Calls]
  - >> _printf_fp_hex

  _printf_ll (Thumb, 0 bytes, Stack size unknown bytes, _printf_ll.o(.ARM.Collect$$_printf_percent$$00000007))

  _printf_i (Thumb, 0 bytes, Stack size unknown bytes, _printf_i.o(.ARM.Collect$$_printf_percent$$00000008))
  [Stack]

  - Max Depth = 72 + Unknown Stack Size
  - Call Chain = _printf_i ⇒ _printf_int_dec ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_int_dec

  _printf_d (Thumb, 0 bytes, Stack size unknown bytes, _printf_d.o(.ARM.Collect$$_printf_percent$$00000009))
  [Stack]

  - Max Depth = 72 + Unknown Stack Size
  - Call Chain = _printf_d ⇒ _printf_int_dec ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_int_dec

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

  - Max Depth = 72 + Unknown Stack Size
  - Call Chain = _printf_u ⇒ _printf_int_dec ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_int_dec

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

  - Max Depth = 64 + Unknown Stack Size
  - Call Chain = _printf_o ⇒ _printf_int_oct ⇒ _printf_longlong_oct ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_int_oct

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

  - Max Depth = 80 + Unknown Stack Size
  - Call Chain = _printf_x ⇒ _printf_int_hex ⇒ _printf_longlong_hex ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_int_hex

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

  - Max Depth = 72 + Unknown Stack Size
  - Call Chain = _printf_lli ⇒ _printf_longlong_dec ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_longlong_dec

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

  - Max Depth = 72 + Unknown Stack Size
  - Call Chain = _printf_lld ⇒ _printf_longlong_dec ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_longlong_dec

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

  - Max Depth = 72 + Unknown Stack Size
  - Call Chain = _printf_llu ⇒ _printf_longlong_dec ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_longlong_dec

  _printf_llo (Thumb, 0 bytes, Stack size unknown bytes, _printf_llo.o(.ARM.Collect$$_printf_percent$$00000010))
  [Stack]

  - Max Depth = 56 + Unknown Stack Size
  - Call Chain = _printf_llo ⇒ _printf_ll_oct ⇒ _printf_longlong_oct ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_ll_oct

  _printf_llx (Thumb, 0 bytes, Stack size unknown bytes, _printf_llx.o(.ARM.Collect$$_printf_percent$$00000011))
  [Stack]

  - Max Depth = 64 + Unknown Stack Size
  - Call Chain = _printf_llx ⇒ _printf_ll_hex ⇒ _printf_longlong_hex ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_ll_hex

  _printf_l (Thumb, 0 bytes, Stack size unknown bytes, _printf_l.o(.ARM.Collect$$_printf_percent$$00000012))

  _printf_c (Thumb, 0 bytes, Stack size unknown bytes, _printf_c.o(.ARM.Collect$$_printf_percent$$00000013))
  [Stack]

  - Max Depth = 40 + Unknown Stack Size
  - Call Chain = _printf_c ⇒ _printf_char ⇒ _printf_cs_common ⇒ _printf_str ⇒ _printf_post_padding
  [Calls]
  - >> _printf_char

  _printf_s (Thumb, 0 bytes, Stack size unknown bytes, _printf_s.o(.ARM.Collect$$_printf_percent$$00000014))
  [Stack]

  - Max Depth = 40 + Unknown Stack Size
  - Call Chain = _printf_s ⇒ _printf_string ⇒ _printf_cs_common ⇒ _printf_str ⇒ _printf_post_padding
  [Calls]
  - >> _printf_string

  _printf_lc (Thumb, 0 bytes, Stack size unknown bytes, _printf_lc.o(.ARM.Collect$$_printf_percent$$00000015))
  [Stack]

  - Max Depth = 88 + Unknown Stack Size
  - Call Chain = _printf_lc ⇒ _printf_wchar ⇒ _printf_lcs_common ⇒ _printf_wctomb ⇒ _wcrtomb ⇒ __rt_ctype_table
  [Calls]
  - >> _printf_wchar

  _printf_ls (Thumb, 0 bytes, Stack size unknown bytes, _printf_ls.o(.ARM.Collect$$_printf_percent$$00000016))
  [Stack]

  - Max Depth = 88 + Unknown Stack Size
  - Call Chain = _printf_ls ⇒ _printf_wstring ⇒ _printf_lcs_common ⇒ _printf_wctomb ⇒ _wcrtomb ⇒ __rt_ctype_table
  [Calls]
  - >> _printf_wstring

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

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

  - >> __rt_entry_li

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

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

  __rt_lib_init_lc_common (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000000F))
  [Calls]

  - >> __rt_locale

  __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_user_alloc_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000000C))

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

  __rt_lib_init_lc_ctype_2 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000012))
  [Stack]

  - Max Depth = 8 + Unknown Stack Size
  - Call Chain = __rt_lib_init_lc_ctype_2 ⇒ _get_lc_ctype
  [Calls]
  - >> _get_lc_ctype

  __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_2 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000016))
  [Stack]

  - Max Depth = 8 + Unknown Stack Size
  - Call Chain = __rt_lib_init_lc_numeric_2 ⇒ _get_lc_numeric
  [Calls]
  - >> _get_lc_numeric

  __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_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_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_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_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 = 464 + Unknown Stack Size
  - Call Chain = __rt_entry_main ⇒ main ⇒ menu2_RencentTime ⇒ OLED_Printf ⇒ OLED_ShowString ⇒ OLED_ShowChar ⇒ OLED_ShowImage ⇒ OLED_ClearArea
  [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

  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)

  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)

  USART1_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)

  __user_initial_stackheap (Thumb, 0 bytes, Stack size unknown bytes, startup_stm32f10x_md.o(.text))
  [Called By]

  - >> __user_setup_stackheap

  vsprintf (Thumb, 32 bytes, Stack size 16 bytes, vsprintf.o(.text))
  [Stack]

  - Max Depth = 120 + Unknown Stack Size
  - Call Chain = vsprintf ⇒ _printf_char_common ⇒ __printf
  [Calls]
  - >> _sputc
  - >> _printf_char_common
  [Called By]
  - >> OLED_Printf

  __aeabi_memcpy4 (Thumb, 0 bytes, Stack size 8 bytes, rt_memcpy_w.o(.text))
  [Stack]

  - Max Depth = 8
  - Call Chain = __aeabi_memcpy4
  [Called By]
  - >> MyRTC_ReadTime

  __aeabi_memcpy8 (Thumb, 0 bytes, Stack size 8 bytes, rt_memcpy_w.o(.text), UNUSED)

  __rt_memcpy_w (Thumb, 100 bytes, Stack size 8 bytes, rt_memcpy_w.o(.text), UNUSED)

  _memcpy_lastbytes_aligned (Thumb, 0 bytes, Stack size unknown bytes, rt_memcpy_w.o(.text), UNUSED)

  strcmp (Thumb, 128 bytes, Stack size 0 bytes, strcmpv7m.o(.text))
  [Called By]

  - >> OLED_ShowString
  - >> _get_lc_ctype
  - >> _get_lc_numeric

  localtime (Thumb, 6 bytes, Stack size 0 bytes, localtime.o(.text))
  [Stack]

  - Max Depth = 20
  - Call Chain = localtime ⇒ _localtime_r ⇒ __aeabi_memclr4
  [Calls]
  - >> _localtime_r
  [Called By]
  - >> MyRTC_ReadTime

  mktime (Thumb, 356 bytes, Stack size 40 bytes, mktime.o(.text))
  [Stack]

  - Max Depth = 48
  - Call Chain = mktime ⇒ _tm_carry
  [Calls]
  - >> _tm_carry
  [Called By]
  - >> MyRTC_SetTime

  __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)

  _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_wctomb
  - >> _printf_str
  - >> _printf_fp_infnan
  - >> _printf_fp_hex_real
  - >> _printf_fp_dec_real
  - >> _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_wctomb
  - >> _printf_str
  - >> _printf_fp_infnan
  - >> _printf_fp_hex_real
  - >> _printf_fp_dec_real
  - >> _printf_int_common

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

  - >> _printf_int_dec

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

  - >> _printf_int_oct
  - >> _printf_int_dec
  - >> _printf_int_hex

  _printf_str (Thumb, 82 bytes, Stack size 16 bytes, _printf_str.o(.text))
  [Stack]

  - Max Depth = 32
  - Call Chain = _printf_str ⇒ _printf_post_padding
  [Calls]
  - >> _printf_post_padding
  - >> _printf_pre_padding
  [Called By]
  - >> _printf_cs_common

  _printf_int_dec (Thumb, 104 bytes, Stack size 24 bytes, _printf_dec.o(.text))
  [Stack]

  - Max Depth = 72
  - Call Chain = _printf_int_dec ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_truncate_unsigned
  - >> _printf_truncate_signed
  - >> _printf_int_common
  [Called By]
  - >> _printf_u
  - >> _printf_d
  - >> _printf_i

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

  - >> _printf_n

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

  - Max Depth = 104 + Unknown Stack Size
  - Call Chain = _printf_char_common ⇒ __printf
  [Calls]
  - >> __printf
  [Called By]
  - >> vsprintf

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

  - >> vsprintf
  [Address Reference Count : 1]
  - vsprintf.o(.text)

  _printf_wctomb (Thumb, 182 bytes, Stack size 56 bytes, _printf_wctomb.o(.text))
  [Stack]

  - Max Depth = 80
  - Call Chain = _printf_wctomb ⇒ _wcrtomb ⇒ __rt_ctype_table
  [Calls]
  - >> _printf_post_padding
  - >> _printf_pre_padding
  - >> _wcrtomb
  [Called By]
  - >> _printf_lcs_common

  _printf_longlong_dec (Thumb, 108 bytes, Stack size 24 bytes, _printf_longlong_dec.o(.text))
  [Stack]

  - Max Depth = 72
  - Call Chain = _printf_longlong_dec ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_int_common
  - >> _ll_udiv10
  [Called By]
  - >> _printf_llu
  - >> _printf_lld
  - >> _printf_lli

  _printf_longlong_oct (Thumb, 66 bytes, Stack size 8 bytes, _printf_oct_int_ll.o(.text))
  [Stack]

  - Max Depth = 56
  - Call Chain = _printf_longlong_oct ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_int_common
  [Called By]
  - >> _printf_ll_oct
  - >> _printf_int_oct

  _printf_int_oct (Thumb, 24 bytes, Stack size 8 bytes, _printf_oct_int_ll.o(.text))
  [Stack]

  - Max Depth = 64
  - Call Chain = _printf_int_oct ⇒ _printf_longlong_oct ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_longlong_oct
  - >> _printf_truncate_unsigned
  [Called By]
  - >> _printf_o

  _printf_ll_oct (Thumb, 12 bytes, Stack size 0 bytes, _printf_oct_int_ll.o(.text))
  [Stack]

  - Max Depth = 56
  - Call Chain = _printf_ll_oct ⇒ _printf_longlong_oct ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_longlong_oct
  [Called By]
  - >> _printf_llo

  _printf_longlong_hex (Thumb, 86 bytes, Stack size 16 bytes, _printf_hex_int_ll_ptr.o(.text))
  [Stack]

  - Max Depth = 64
  - Call Chain = _printf_longlong_hex ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_int_common
  [Called By]
  - >> _printf_hex_ptr
  - >> _printf_ll_hex
  - >> _printf_int_hex

  _printf_int_hex (Thumb, 28 bytes, Stack size 16 bytes, _printf_hex_int_ll_ptr.o(.text))
  [Stack]

  - Max Depth = 80
  - Call Chain = _printf_int_hex ⇒ _printf_longlong_hex ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_truncate_unsigned
  - >> _printf_longlong_hex
  [Called By]
  - >> _printf_x

  _printf_ll_hex (Thumb, 12 bytes, Stack size 0 bytes, _printf_hex_int_ll_ptr.o(.text))
  [Stack]

  - Max Depth = 64
  - Call Chain = _printf_ll_hex ⇒ _printf_longlong_hex ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_longlong_hex
  [Called By]
  - >> _printf_llx

  _printf_hex_ptr (Thumb, 18 bytes, Stack size 0 bytes, _printf_hex_int_ll_ptr.o(.text))
  [Stack]

  - Max Depth = 64
  - Call Chain = _printf_hex_ptr ⇒ _printf_longlong_hex ⇒ _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_longlong_hex
  [Called By]
  - >> _printf_p

  __printf (Thumb, 388 bytes, Stack size 40 bytes, __printf_flags_ss_wp.o(.text))
  [Stack]

  - Max Depth = 40 + Unknown Stack Size
  - Call Chain = __printf
  [Calls]
  - >> _printf_percent
  - >> _is_digit
  [Called By]
  - >> _printf_char_common

  _localtime_r (Thumb, 178 bytes, Stack size 16 bytes, localtime_internal.o(.text))
  [Stack]

  - Max Depth = 20
  - Call Chain = _localtime_r ⇒ __aeabi_memclr4
  [Calls]
  - >> __aeabi_memclr4
  [Called By]
  - >> localtime

  _n$localtime_r (Thumb, 0 bytes, Stack size 16 bytes, localtime_internal.o(.text), UNUSED)

  _ll_udiv10 (Thumb, 138 bytes, Stack size 12 bytes, lludiv10.o(.text))
  [Stack]

  - Max Depth = 12
  - Call Chain = _ll_udiv10
  [Called By]
  - >> _printf_longlong_dec
  - >> _fp_digits

  _printf_int_common (Thumb, 178 bytes, Stack size 32 bytes, _printf_intcommon.o(.text))
  [Stack]

  - Max Depth = 48
  - Call Chain = _printf_int_common ⇒ _printf_post_padding
  [Calls]
  - >> _printf_post_padding
  - >> _printf_pre_padding
  [Called By]
  - >> _printf_longlong_oct
  - >> _printf_longlong_dec
  - >> _printf_int_dec
  - >> _printf_longlong_hex

  __lib_sel_fp_printf (Thumb, 2 bytes, Stack size 0 bytes, _printf_fp_dec.o(.text), UNUSED)

  _printf_fp_dec_real (Thumb, 620 bytes, Stack size 104 bytes, _printf_fp_dec.o(.text))
  [Stack]

  - Max Depth = 324
  - Call Chain = _printf_fp_dec_real ⇒ _fp_digits ⇒ _btod_etento ⇒ _btod_emul ⇒ _e2e
  [Calls]
  - >> _printf_post_padding
  - >> _printf_pre_padding
  - >> _printf_fp_infnan
  - >> __rt_locale
  - >> __ARM_fpclassify
  - >> _fp_digits
  [Called By]
  - >> _printf_fp_dec

  _printf_fp_hex_real (Thumb, 756 bytes, Stack size 72 bytes, _printf_fp_hex.o(.text))
  [Stack]

  - Max Depth = 112
  - Call Chain = _printf_fp_hex_real ⇒ _printf_fp_infnan ⇒ _printf_post_padding
  [Calls]
  - >> _printf_post_padding
  - >> _printf_pre_padding
  - >> _printf_fp_infnan
  - >> __ARM_fpclassify
  [Called By]
  - >> _printf_fp_hex

  _printf_cs_common (Thumb, 20 bytes, Stack size 8 bytes, _printf_char.o(.text))
  [Stack]

  - Max Depth = 40
  - Call Chain = _printf_cs_common ⇒ _printf_str ⇒ _printf_post_padding
  [Calls]
  - >> _printf_str
  [Called By]
  - >> _printf_string
  - >> _printf_char

  _printf_char (Thumb, 16 bytes, Stack size 0 bytes, _printf_char.o(.text))
  [Stack]

  - Max Depth = 40
  - Call Chain = _printf_char ⇒ _printf_cs_common ⇒ _printf_str ⇒ _printf_post_padding
  [Calls]
  - >> _printf_cs_common
  [Called By]
  - >> _printf_c

  _printf_string (Thumb, 8 bytes, Stack size 0 bytes, _printf_char.o(.text))
  [Stack]

  - Max Depth = 40
  - Call Chain = _printf_string ⇒ _printf_cs_common ⇒ _printf_str ⇒ _printf_post_padding
  [Calls]
  - >> _printf_cs_common
  [Called By]
  - >> _printf_s

  _printf_lcs_common (Thumb, 20 bytes, Stack size 8 bytes, _printf_wchar.o(.text))
  [Stack]

  - Max Depth = 88
  - Call Chain = _printf_lcs_common ⇒ _printf_wctomb ⇒ _wcrtomb ⇒ __rt_ctype_table
  [Calls]
  - >> _printf_wctomb
  [Called By]
  - >> _printf_wstring
  - >> _printf_wchar

  _printf_wchar (Thumb, 16 bytes, Stack size 0 bytes, _printf_wchar.o(.text))
  [Stack]

  - Max Depth = 88
  - Call Chain = _printf_wchar ⇒ _printf_lcs_common ⇒ _printf_wctomb ⇒ _wcrtomb ⇒ __rt_ctype_table
  [Calls]
  - >> _printf_lcs_common
  [Called By]
  - >> _printf_lc

  _printf_wstring (Thumb, 8 bytes, Stack size 0 bytes, _printf_wchar.o(.text))
  [Stack]

  - Max Depth = 88
  - Call Chain = _printf_wstring ⇒ _printf_lcs_common ⇒ _printf_wctomb ⇒ _wcrtomb ⇒ __rt_ctype_table
  [Calls]
  - >> _printf_lcs_common
  [Called By]
  - >> _printf_ls

  _wcrtomb (Thumb, 64 bytes, Stack size 16 bytes, _wcrtomb.o(.text))
  [Stack]

  - Max Depth = 24
  - Call Chain = _wcrtomb ⇒ __rt_ctype_table
  [Calls]
  - >> __rt_ctype_table
  [Called By]
  - >> _printf_wctomb

  __aeabi_memclr4 (Thumb, 0 bytes, Stack size 4 bytes, rt_memclr_w.o(.text))
  [Stack]

  - Max Depth = 4
  - Call Chain = __aeabi_memclr4
  [Called By]
  - >> _localtime_r

  __aeabi_memclr8 (Thumb, 0 bytes, Stack size 4 bytes, rt_memclr_w.o(.text), UNUSED)

  __rt_memclr_w (Thumb, 78 bytes, Stack size 4 bytes, rt_memclr_w.o(.text), UNUSED)

  _memset_w (Thumb, 0 bytes, Stack size unknown bytes, rt_memclr_w.o(.text), UNUSED)

  __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)

  __user_setup_stackheap (Thumb, 74 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

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

  - Max Depth = 8
  - Call Chain = __rt_ctype_table
  [Calls]
  - >> __rt_locale
  [Called By]
  - >> _wcrtomb

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

  - >> __rt_lib_init_lc_common
  - >> __rt_ctype_table
  - >> _printf_fp_dec_real

  _printf_fp_infnan (Thumb, 112 bytes, Stack size 24 bytes, _printf_fp_infnan.o(.text))
  [Stack]

  - Max Depth = 40
  - Call Chain = _printf_fp_infnan ⇒ _printf_post_padding
  [Calls]
  - >> _printf_post_padding
  - >> _printf_pre_padding
  [Called By]
  - >> _printf_fp_hex_real
  - >> _printf_fp_dec_real

  _btod_etento (Thumb, 224 bytes, Stack size 72 bytes, bigflt0.o(.text))
  [Stack]

  - Max Depth = 124
  - Call Chain = _btod_etento ⇒ _btod_emul ⇒ _e2e
  [Calls]
  - >> _btod_emul
  - >> _btod_ediv
  [Called By]
  - >> _fp_digits

  exit (Thumb, 18 bytes, Stack size 8 bytes, exit.o(.text))
  [Stack]

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

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

  - >> __rt_exit_exit

  __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)

  __semihosting_library_function (Thumb, 0 bytes, Stack size 0 bytes, indicate_semi.o(.text), UNUSED)

  _btod_d2e (Thumb, 62 bytes, Stack size 0 bytes, btod.o(CL$$btod_d2e))
  [Calls]

  - >> _d2e_norm_op1
  [Called By]
  - >> _fp_digits

  _d2e_denorm_low (Thumb, 70 bytes, Stack size 0 bytes, btod.o(CL$$btod_d2e_denorm_low))
  [Called By]

  - >> _d2e_norm_op1

  _d2e_norm_op1 (Thumb, 96 bytes, Stack size 0 bytes, btod.o(CL$$btod_d2e_norm_op1))
  [Calls]

  - >> _d2e_denorm_low
  [Called By]
  - >> _btod_d2e

  __btod_div_common (Thumb, 696 bytes, Stack size 24 bytes, btod.o(CL$$btod_div_common))
  [Stack]

  - Max Depth = 24
  - Call Chain = __btod_div_common
  [Called By]
  - >> _btod_ediv

  _e2e (Thumb, 220 bytes, Stack size 24 bytes, btod.o(CL$$btod_e2e))
  [Stack]

  - Max Depth = 24
  - Call Chain = _e2e
  [Called By]
  - >> _btod_emul
  - >> _btod_ediv

  _btod_ediv (Thumb, 42 bytes, Stack size 28 bytes, btod.o(CL$$btod_ediv))
  [Stack]

  - Max Depth = 52
  - Call Chain = _btod_ediv ⇒ _e2e
  [Calls]
  - >> _e2e
  - >> __btod_div_common
  [Called By]
  - >> _btod_etento
  - >> _fp_digits

  _btod_emul (Thumb, 42 bytes, Stack size 28 bytes, btod.o(CL$$btod_emul))
  [Stack]

  - Max Depth = 52
  - Call Chain = _btod_emul ⇒ _e2e
  [Calls]
  - >> __btod_mult_common
  - >> _e2e
  [Called By]
  - >> _btod_etento
  - >> _fp_digits

  __btod_mult_common (Thumb, 580 bytes, Stack size 16 bytes, btod.o(CL$$btod_mult_common))
  [Stack]

  - Max Depth = 16
  - Call Chain = __btod_mult_common
  [Called By]
  - >> _btod_emul

  BKP_ReadBackupRegister (Thumb, 24 bytes, Stack size 8 bytes, stm32f10x_bkp.o(i.BKP_ReadBackupRegister))
  [Stack]

  - Max Depth = 8
  - Call Chain = BKP_ReadBackupRegister
  [Called By]
  - >> MyRTC_Init

  BKP_WriteBackupRegister (Thumb, 22 bytes, Stack size 8 bytes, stm32f10x_bkp.o(i.BKP_WriteBackupRegister))
  [Stack]

  - Max Depth = 8
  - Call Chain = BKP_WriteBackupRegister
  [Called By]
  - >> MyRTC_Init

  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)

  Delay_ms (Thumb, 24 bytes, Stack size 4 bytes, delay_1.o(i.Delay_ms))
  [Stack]

  - Max Depth = 4
  - Call Chain = Delay_ms
  [Calls]
  - >> Delay_us
  [Called By]
  - >> Key_GetNum

  Delay_us (Thumb, 46 bytes, Stack size 0 bytes, delay_1.o(i.Delay_us))
  [Called By]

  - >> MyI2C_W_SDA
  - >> MyI2C_W_SCL
  - >> MyI2C_R_SDA
  - >> Delay_ms

  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]
  - >> MyI2C_Init
  - >> menu1
  - >> Key_Init
  - >> OLED_GPIO_Init

  GPIO_ReadInputDataBit (Thumb, 18 bytes, Stack size 0 bytes, stm32f10x_gpio.o(i.GPIO_ReadInputDataBit))
  [Called By]

  - >> MyI2C_R_SDA
  - >> Key_GetNum

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

  - >> Pedometer2_Tick
  - >> Pedometer1_Tick

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

  - >> MyI2C_Init
  - >> menu1
  - >> Pedometer2_Tick
  - >> Pedometer1_Tick

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

  - >> MyI2C_W_SDA
  - >> MyI2C_W_SCL
  - >> OLED_W_SDA
  - >> OLED_W_SCL

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

  - startup_stm32f10x_md.o(RESET)

  Key_GetNum (Thumb, 126 bytes, Stack size 8 bytes, key.o(i.Key_GetNum))
  [Stack]

  - Max Depth = 12
  - Call Chain = Key_GetNum ⇒ Delay_ms
  [Calls]
  - >> GPIO_ReadInputDataBit
  - >> Delay_ms
  [Called By]
  - >> menu2_TodayStep
  - >> menu2_SetStep
  - >> menu2_SetClock
  - >> menu2_RencentTime
  - >> menu1

  Key_Init (Thumb, 74 bytes, Stack size 8 bytes, key.o(i.Key_Init))
  [Stack]

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

  MPU6050_GetData (Thumb, 172 bytes, Stack size 40 bytes, mpu6050.o(i.MPU6050_GetData))
  [Stack]

  - Max Depth = 80
  - Call Chain = MPU6050_GetData ⇒ MPU6050_ReadReg ⇒ MyI2C_SendByte ⇒ MyI2C_W_SDA
  [Calls]
  - >> MPU6050_ReadReg
  [Called By]
  - >> menu2_TodayStep

  MPU6050_Init (Thumb, 56 bytes, Stack size 8 bytes, mpu6050.o(i.MPU6050_Init))
  [Stack]

  - Max Depth = 48
  - Call Chain = MPU6050_Init ⇒ MPU6050_WriteReg ⇒ MyI2C_SendByte ⇒ MyI2C_W_SDA
  [Calls]
  - >> MyI2C_Init
  - >> MPU6050_WriteReg
  [Called By]
  - >> main
  - >> menu2_TodayStep

  MPU6050_ReadReg (Thumb, 62 bytes, Stack size 16 bytes, mpu6050.o(i.MPU6050_ReadReg))
  [Stack]

  - Max Depth = 40
  - Call Chain = MPU6050_ReadReg ⇒ MyI2C_SendByte ⇒ MyI2C_W_SDA
  [Calls]
  - >> MyI2C_Stop
  - >> MyI2C_Start
  - >> MyI2C_SendByte
  - >> MyI2C_SendAck
  - >> MyI2C_ReceiveByte
  - >> MyI2C_ReceiveAck
  [Called By]
  - >> MPU6050_GetData

  MPU6050_WriteReg (Thumb, 46 bytes, Stack size 16 bytes, mpu6050.o(i.MPU6050_WriteReg))
  [Stack]

  - Max Depth = 40
  - Call Chain = MPU6050_WriteReg ⇒ MyI2C_SendByte ⇒ MyI2C_W_SDA
  [Calls]
  - >> MyI2C_Stop
  - >> MyI2C_Start
  - >> MyI2C_SendByte
  - >> MyI2C_ReceiveAck
  [Called By]
  - >> MPU6050_Init

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

  - startup_stm32f10x_md.o(RESET)

  MyI2C_Init (Thumb, 50 bytes, Stack size 8 bytes, myi2c.o(i.MyI2C_Init))
  [Stack]

  - Max Depth = 32
  - Call Chain = MyI2C_Init ⇒ GPIO_Init
  [Calls]
  - >> GPIO_SetBits
  - >> GPIO_Init
  - >> RCC_APB2PeriphClockCmd
  [Called By]
  - >> MPU6050_Init

  MyI2C_R_SDA (Thumb, 24 bytes, Stack size 8 bytes, myi2c.o(i.MyI2C_R_SDA))
  [Stack]

  - Max Depth = 8
  - Call Chain = MyI2C_R_SDA
  [Calls]
  - >> GPIO_ReadInputDataBit
  - >> Delay_us
  [Called By]
  - >> MyI2C_ReceiveByte
  - >> MyI2C_ReceiveAck

  MyI2C_ReceiveAck (Thumb, 30 bytes, Stack size 8 bytes, myi2c.o(i.MyI2C_ReceiveAck))
  [Stack]

  - Max Depth = 16
  - Call Chain = MyI2C_ReceiveAck ⇒ MyI2C_W_SDA
  [Calls]
  - >> MyI2C_W_SDA
  - >> MyI2C_W_SCL
  - >> MyI2C_R_SDA
  [Called By]
  - >> MPU6050_WriteReg
  - >> MPU6050_ReadReg

  MyI2C_ReceiveByte (Thumb, 50 bytes, Stack size 16 bytes, myi2c.o(i.MyI2C_ReceiveByte))
  [Stack]

  - Max Depth = 24
  - Call Chain = MyI2C_ReceiveByte ⇒ MyI2C_W_SDA
  [Calls]
  - >> MyI2C_W_SDA
  - >> MyI2C_W_SCL
  - >> MyI2C_R_SDA
  [Called By]
  - >> MPU6050_ReadReg

  MyI2C_SendAck (Thumb, 24 bytes, Stack size 8 bytes, myi2c.o(i.MyI2C_SendAck))
  [Stack]

  - Max Depth = 16
  - Call Chain = MyI2C_SendAck ⇒ MyI2C_W_SDA
  [Calls]
  - >> MyI2C_W_SDA
  - >> MyI2C_W_SCL
  [Called By]
  - >> MPU6050_ReadReg

  MyI2C_SendByte (Thumb, 50 bytes, Stack size 16 bytes, myi2c.o(i.MyI2C_SendByte))
  [Stack]

  - Max Depth = 24
  - Call Chain = MyI2C_SendByte ⇒ MyI2C_W_SDA
  [Calls]
  - >> MyI2C_W_SDA
  - >> MyI2C_W_SCL
  [Called By]
  - >> MPU6050_WriteReg
  - >> MPU6050_ReadReg

  MyI2C_Start (Thumb, 28 bytes, Stack size 8 bytes, myi2c.o(i.MyI2C_Start))
  [Stack]

  - Max Depth = 16
  - Call Chain = MyI2C_Start ⇒ MyI2C_W_SDA
  [Calls]
  - >> MyI2C_W_SDA
  - >> MyI2C_W_SCL
  [Called By]
  - >> MPU6050_WriteReg
  - >> MPU6050_ReadReg

  MyI2C_Stop (Thumb, 22 bytes, Stack size 8 bytes, myi2c.o(i.MyI2C_Stop))
  [Stack]

  - Max Depth = 16
  - Call Chain = MyI2C_Stop ⇒ MyI2C_W_SDA
  [Calls]
  - >> MyI2C_W_SDA
  - >> MyI2C_W_SCL
  [Called By]
  - >> MPU6050_WriteReg
  - >> MPU6050_ReadReg

  MyI2C_W_SCL (Thumb, 24 bytes, Stack size 8 bytes, myi2c.o(i.MyI2C_W_SCL))
  [Stack]

  - Max Depth = 8
  - Call Chain = MyI2C_W_SCL
  [Calls]
  - >> GPIO_WriteBit
  - >> Delay_us
  [Called By]
  - >> MyI2C_Stop
  - >> MyI2C_Start
  - >> MyI2C_SendByte
  - >> MyI2C_SendAck
  - >> MyI2C_ReceiveByte
  - >> MyI2C_ReceiveAck

  MyI2C_W_SDA (Thumb, 24 bytes, Stack size 8 bytes, myi2c.o(i.MyI2C_W_SDA))
  [Stack]

  - Max Depth = 8
  - Call Chain = MyI2C_W_SDA
  [Calls]
  - >> GPIO_WriteBit
  - >> Delay_us
  [Called By]
  - >> MyI2C_Stop
  - >> MyI2C_Start
  - >> MyI2C_SendByte
  - >> MyI2C_SendAck
  - >> MyI2C_ReceiveByte
  - >> MyI2C_ReceiveAck

  MyRTC_Init (Thumb, 114 bytes, Stack size 8 bytes, myrtc.o(i.MyRTC_Init))
  [Stack]

  - Max Depth = 112
  - Call Chain = MyRTC_Init ⇒ MyRTC_SetTime ⇒ mktime ⇒ _tm_carry
  [Calls]
  - >> BKP_WriteBackupRegister
  - >> BKP_ReadBackupRegister
  - >> RTC_WaitForSynchro
  - >> RTC_WaitForLastTask
  - >> RTC_SetPrescaler
  - >> RCC_RTCCLKConfig
  - >> RCC_RTCCLKCmd
  - >> RCC_LSEConfig
  - >> RCC_GetFlagStatus
  - >> RCC_APB1PeriphClockCmd
  - >> PWR_BackupAccessCmd
  - >> MyRTC_SetTime
  [Called By]
  - >> main

  MyRTC_ReadTime (Thumb, 68 bytes, Stack size 56 bytes, myrtc.o(i.MyRTC_ReadTime))
  [Stack]

  - Max Depth = 76
  - Call Chain = MyRTC_ReadTime ⇒ localtime ⇒ _localtime_r ⇒ __aeabi_memclr4
  [Calls]
  - >> RTC_GetCounter
  - >> localtime
  - >> __aeabi_memcpy4
  [Called By]
  - >> menu2_RencentTime

  MyRTC_SetTime (Thumb, 70 bytes, Stack size 56 bytes, myrtc.o(i.MyRTC_SetTime))
  [Stack]

  - Max Depth = 104
  - Call Chain = MyRTC_SetTime ⇒ mktime ⇒ _tm_carry
  [Calls]
  - >> RTC_WaitForLastTask
  - >> RTC_SetCounter
  - >> mktime
  [Called By]
  - >> MyRTC_Init

  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]
  - >> Timer_Init

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

  - >> Timer_Init

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

  - >> menu2_TodayStep
  - >> menu2_SetStep
  - >> menu2_SetClock
  - >> menu2_RencentTime
  - >> menu1
  - >> OLED_Init

  OLED_ClearArea (Thumb, 140 bytes, Stack size 28 bytes, oled.o(i.OLED_ClearArea))
  [Stack]

  - Max Depth = 28
  - Call Chain = OLED_ClearArea
  [Called By]
  - >> OLED_ShowImage

  OLED_GPIO_Init (Thumb, 92 bytes, Stack size 16 bytes, oled.o(i.OLED_GPIO_Init))
  [Stack]

  - Max Depth = 40
  - Call Chain = OLED_GPIO_Init ⇒ GPIO_Init
  [Calls]
  - >> GPIO_Init
  - >> RCC_APB2PeriphClockCmd
  - >> OLED_W_SDA
  - >> OLED_W_SCL
  [Called By]
  - >> OLED_Init

  OLED_I2C_SendByte (Thumb, 62 bytes, Stack size 16 bytes, oled.o(i.OLED_I2C_SendByte))
  [Stack]

  - Max Depth = 24
  - Call Chain = OLED_I2C_SendByte ⇒ OLED_W_SDA
  [Calls]
  - >> OLED_W_SDA
  - >> OLED_W_SCL
  [Called By]
  - >> OLED_WriteData
  - >> OLED_WriteCommand

  OLED_I2C_Start (Thumb, 28 bytes, Stack size 8 bytes, oled.o(i.OLED_I2C_Start))
  [Stack]

  - Max Depth = 16
  - Call Chain = OLED_I2C_Start ⇒ OLED_W_SDA
  [Calls]
  - >> OLED_W_SDA
  - >> OLED_W_SCL
  [Called By]
  - >> OLED_WriteData
  - >> OLED_WriteCommand

  OLED_I2C_Stop (Thumb, 22 bytes, Stack size 8 bytes, oled.o(i.OLED_I2C_Stop))
  [Stack]

  - Max Depth = 16
  - Call Chain = OLED_I2C_Stop ⇒ OLED_W_SDA
  [Calls]
  - >> OLED_W_SDA
  - >> OLED_W_SCL
  [Called By]
  - >> OLED_WriteData
  - >> OLED_WriteCommand

  OLED_Init (Thumb, 154 bytes, Stack size 8 bytes, oled.o(i.OLED_Init))
  [Stack]

  - Max Depth = 64
  - Call Chain = OLED_Init ⇒ OLED_Update ⇒ OLED_SetCursor ⇒ OLED_WriteCommand ⇒ OLED_I2C_SendByte ⇒ OLED_W_SDA
  [Calls]
  - >> OLED_WriteCommand
  - >> OLED_Update
  - >> OLED_GPIO_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_Printf (Thumb, 50 bytes, Stack size 296 bytes, oled.o(i.OLED_Printf))
  [Stack]

  - Max Depth = 448 + Unknown Stack Size
  - Call Chain = OLED_Printf ⇒ OLED_ShowString ⇒ OLED_ShowChar ⇒ OLED_ShowImage ⇒ OLED_ClearArea
  [Calls]
  - >> vsprintf
  - >> OLED_ShowString
  [Called By]
  - >> menu2_RencentTime

  OLED_ReverseArea (Thumb, 140 bytes, Stack size 28 bytes, oled.o(i.OLED_ReverseArea))
  [Stack]

  - Max Depth = 28
  - Call Chain = OLED_ReverseArea
  [Called By]
  - >> menu2_TodayStep
  - >> menu2_SetStep
  - >> menu2_SetClock
  - >> menu2_RencentTime
  - >> menu1

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

  - Max Depth = 48
  - Call Chain = OLED_SetCursor ⇒ OLED_WriteCommand ⇒ OLED_I2C_SendByte ⇒ OLED_W_SDA
  [Calls]
  - >> OLED_WriteCommand
  [Called By]
  - >> OLED_Update

  OLED_ShowChar (Thumb, 74 bytes, Stack size 24 bytes, oled.o(i.OLED_ShowChar))
  [Stack]

  - Max Depth = 104
  - Call Chain = OLED_ShowChar ⇒ OLED_ShowImage ⇒ OLED_ClearArea
  [Calls]
  - >> OLED_ShowImage
  [Called By]
  - >> OLED_ShowString
  - >> OLED_ShowNum

  OLED_ShowImage (Thumb, 248 bytes, Stack size 52 bytes, oled.o(i.OLED_ShowImage))
  [Stack]

  - Max Depth = 80
  - Call Chain = OLED_ShowImage ⇒ OLED_ClearArea
  [Calls]
  - >> OLED_ClearArea
  [Called By]
  - >> OLED_ShowString
  - >> OLED_ShowChar

  OLED_ShowNum (Thumb, 76 bytes, Stack size 32 bytes, oled.o(i.OLED_ShowNum))
  [Stack]

  - Max Depth = 136
  - Call Chain = OLED_ShowNum ⇒ OLED_ShowChar ⇒ OLED_ShowImage ⇒ OLED_ClearArea
  [Calls]
  - >> OLED_ShowChar
  - >> OLED_Pow
  [Called By]
  - >> menu2_TodayStep
  - >> menu2_SetStep
  - >> menu2_SetClock

  OLED_ShowString (Thumb, 442 bytes, Stack size 48 bytes, oled.o(i.OLED_ShowString))
  [Stack]

  - Max Depth = 152
  - Call Chain = OLED_ShowString ⇒ OLED_ShowChar ⇒ OLED_ShowImage ⇒ OLED_ClearArea
  [Calls]
  - >> strcmp
  - >> OLED_ShowImage
  - >> OLED_ShowChar
  [Called By]
  - >> menu2_TodayStep
  - >> menu2_SetStep
  - >> menu2_SetClock
  - >> menu2_RencentTime
  - >> menu1
  - >> OLED_Printf

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

  - Max Depth = 56
  - Call Chain = OLED_Update ⇒ OLED_SetCursor ⇒ OLED_WriteCommand ⇒ OLED_I2C_SendByte ⇒ OLED_W_SDA
  [Calls]
  - >> OLED_WriteData
  - >> OLED_SetCursor
  [Called By]
  - >> menu2_TodayStep
  - >> menu2_SetStep
  - >> menu2_SetClock
  - >> menu2_RencentTime
  - >> menu1
  - >> OLED_Init

  OLED_W_SCL (Thumb, 18 bytes, Stack size 8 bytes, oled.o(i.OLED_W_SCL))
  [Stack]

  - Max Depth = 8
  - Call Chain = OLED_W_SCL
  [Calls]
  - >> GPIO_WriteBit
  [Called By]
  - >> OLED_I2C_Stop
  - >> OLED_I2C_Start
  - >> OLED_I2C_SendByte
  - >> OLED_GPIO_Init

  OLED_W_SDA (Thumb, 18 bytes, Stack size 8 bytes, oled.o(i.OLED_W_SDA))
  [Stack]

  - Max Depth = 8
  - Call Chain = OLED_W_SDA
  [Calls]
  - >> GPIO_WriteBit
  [Called By]
  - >> OLED_I2C_Stop
  - >> OLED_I2C_Start
  - >> OLED_I2C_SendByte
  - >> OLED_GPIO_Init

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

  - Max Depth = 32
  - Call Chain = OLED_WriteCommand ⇒ OLED_I2C_SendByte ⇒ OLED_W_SDA
  [Calls]
  - >> OLED_I2C_Stop
  - >> OLED_I2C_Start
  - >> OLED_I2C_SendByte
  [Called By]
  - >> OLED_SetCursor
  - >> OLED_Init

  OLED_WriteData (Thumb, 46 bytes, Stack size 16 bytes, oled.o(i.OLED_WriteData))
  [Stack]

  - Max Depth = 40
  - Call Chain = OLED_WriteData ⇒ OLED_I2C_SendByte ⇒ OLED_W_SDA
  [Calls]
  - >> OLED_I2C_Stop
  - >> OLED_I2C_Start
  - >> OLED_I2C_SendByte
  [Called By]
  - >> OLED_Update

  PWR_BackupAccessCmd (Thumb, 6 bytes, Stack size 0 bytes, stm32f10x_pwr.o(i.PWR_BackupAccessCmd))
  [Called By]

  - >> MyRTC_Init

  Pedometer1_Tick (Thumb, 82 bytes, Stack size 8 bytes, menu.o(i.Pedometer1_Tick))
  [Stack]

  - Max Depth = 20
  - Call Chain = Pedometer1_Tick ⇒ TIM_GetITStatus
  [Calls]
  - >> GPIO_SetBits
  - >> GPIO_ResetBits
  - >> TIM_GetITStatus
  [Called By]
  - >> TIM2_IRQHandler

  Pedometer2_Tick (Thumb, 76 bytes, Stack size 8 bytes, menu.o(i.Pedometer2_Tick))
  [Stack]

  - Max Depth = 20
  - Call Chain = Pedometer2_Tick ⇒ TIM_GetITStatus
  [Calls]
  - >> GPIO_SetBits
  - >> GPIO_ResetBits
  - >> TIM_GetITStatus
  [Called By]
  - >> TIM2_IRQHandler

  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_APB1PeriphClockCmd (Thumb, 26 bytes, Stack size 0 bytes, stm32f10x_rcc.o(i.RCC_APB1PeriphClockCmd))
  [Called By]

  - >> Timer_Init
  - >> MyRTC_Init

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

  - >> MyI2C_Init
  - >> menu1
  - >> Key_Init
  - >> OLED_GPIO_Init

  RCC_GetFlagStatus (Thumb, 56 bytes, Stack size 8 bytes, stm32f10x_rcc.o(i.RCC_GetFlagStatus))
  [Stack]

  - Max Depth = 8
  - Call Chain = RCC_GetFlagStatus
  [Called By]
  - >> MyRTC_Init

  RCC_LSEConfig (Thumb, 46 bytes, Stack size 0 bytes, stm32f10x_rcc.o(i.RCC_LSEConfig))
  [Called By]

  - >> MyRTC_Init

  RCC_RTCCLKCmd (Thumb, 6 bytes, Stack size 0 bytes, stm32f10x_rcc.o(i.RCC_RTCCLKCmd))
  [Called By]

  - >> MyRTC_Init

  RCC_RTCCLKConfig (Thumb, 12 bytes, Stack size 0 bytes, stm32f10x_rcc.o(i.RCC_RTCCLKConfig))
  [Called By]

  - >> MyRTC_Init

  RTC_EnterConfigMode (Thumb, 14 bytes, Stack size 0 bytes, stm32f10x_rtc.o(i.RTC_EnterConfigMode))
  [Called By]

  - >> RTC_SetPrescaler
  - >> RTC_SetCounter

  RTC_ExitConfigMode (Thumb, 16 bytes, Stack size 0 bytes, stm32f10x_rtc.o(i.RTC_ExitConfigMode))
  [Called By]

  - >> RTC_SetPrescaler
  - >> RTC_SetCounter

  RTC_GetCounter (Thumb, 16 bytes, Stack size 0 bytes, stm32f10x_rtc.o(i.RTC_GetCounter))
  [Called By]

  - >> MyRTC_ReadTime

  RTC_SetCounter (Thumb, 24 bytes, Stack size 4 bytes, stm32f10x_rtc.o(i.RTC_SetCounter))
  [Stack]

  - Max Depth = 4
  - Call Chain = RTC_SetCounter
  [Calls]
  - >> RTC_ExitConfigMode
  - >> RTC_EnterConfigMode
  [Called By]
  - >> MyRTC_SetTime

  RTC_SetPrescaler (Thumb, 26 bytes, Stack size 4 bytes, stm32f10x_rtc.o(i.RTC_SetPrescaler))
  [Stack]

  - Max Depth = 4
  - Call Chain = RTC_SetPrescaler
  [Calls]
  - >> RTC_ExitConfigMode
  - >> RTC_EnterConfigMode
  [Called By]
  - >> MyRTC_Init

  RTC_WaitForLastTask (Thumb, 16 bytes, Stack size 0 bytes, stm32f10x_rtc.o(i.RTC_WaitForLastTask))
  [Called By]

  - >> MyRTC_SetTime
  - >> MyRTC_Init

  RTC_WaitForSynchro (Thumb, 30 bytes, Stack size 0 bytes, stm32f10x_rtc.o(i.RTC_WaitForSynchro))
  [Called By]

  - >> MyRTC_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)

  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)

  TIM2_IRQHandler (Thumb, 32 bytes, Stack size 8 bytes, main.o(i.TIM2_IRQHandler))
  [Stack]

  - Max Depth = 28
  - Call Chain = TIM2_IRQHandler ⇒ Pedometer2_Tick ⇒ TIM_GetITStatus
  [Calls]
  - >> Pedometer2_Tick
  - >> Pedometer1_Tick
  - >> TIM_GetITStatus
  - >> TIM_ClearITPendingBit
  [Address Reference Count : 1]
  - startup_stm32f10x_md.o(RESET)

  TIM_ClearFlag (Thumb, 6 bytes, Stack size 0 bytes, stm32f10x_tim.o(i.TIM_ClearFlag))
  [Called By]

  - >> Timer_Init

  TIM_ClearITPendingBit (Thumb, 6 bytes, Stack size 0 bytes, stm32f10x_tim.o(i.TIM_ClearITPendingBit))
  [Called By]

  - >> TIM2_IRQHandler

  TIM_Cmd (Thumb, 24 bytes, Stack size 0 bytes, stm32f10x_tim.o(i.TIM_Cmd))
  [Called By]

  - >> Timer_Init

  TIM_GetITStatus (Thumb, 34 bytes, Stack size 12 bytes, stm32f10x_tim.o(i.TIM_GetITStatus))
  [Stack]

  - Max Depth = 12
  - Call Chain = TIM_GetITStatus
  [Called By]
  - >> TIM2_IRQHandler
  - >> Pedometer2_Tick
  - >> Pedometer1_Tick

  TIM_ITConfig (Thumb, 18 bytes, Stack size 0 bytes, stm32f10x_tim.o(i.TIM_ITConfig))
  [Called By]

  - >> Timer_Init

  TIM_InternalClockConfig (Thumb, 12 bytes, Stack size 0 bytes, stm32f10x_tim.o(i.TIM_InternalClockConfig))
  [Called By]

  - >> Timer_Init

  TIM_TimeBaseInit (Thumb, 122 bytes, Stack size 0 bytes, stm32f10x_tim.o(i.TIM_TimeBaseInit))
  [Called By]

  - >> Timer_Init

  Timer_Init (Thumb, 126 bytes, Stack size 24 bytes, timer.o(i.Timer_Init))
  [Stack]

  - Max Depth = 40
  - Call Chain = Timer_Init ⇒ NVIC_Init
  [Calls]
  - >> NVIC_PriorityGroupConfig
  - >> NVIC_Init
  - >> RCC_APB1PeriphClockCmd
  - >> TIM_TimeBaseInit
  - >> TIM_InternalClockConfig
  - >> TIM_ITConfig
  - >> TIM_Cmd
  - >> TIM_ClearFlag
  [Called By]
  - >> main
  - >> menu2_TodayStep

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

  - startup_stm32f10x_md.o(RESET)

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

  - >> _printf_fp_hex_real
  - >> _printf_fp_dec_real

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

  - >> __printf

  calculate_steps (Thumb, 100 bytes, Stack size 40 bytes, pedometer.o(i.calculate_steps))
  [Stack]

  - Max Depth = 56
  - Call Chain = calculate_steps ⇒ __aeabi_cdrcmple
  [Calls]
  - >> __aeabi_cdrcmple
  - >> __aeabi_i2d
  [Called By]
  - >> menu2_TodayStep

  main (Thumb, 62 bytes, Stack size 0 bytes, main.o(i.main))
  [Stack]

  - Max Depth = 464 + Unknown Stack Size
  - Call Chain = main ⇒ menu2_RencentTime ⇒ OLED_Printf ⇒ OLED_ShowString ⇒ OLED_ShowChar ⇒ OLED_ShowImage ⇒ OLED_ClearArea
  [Calls]
  - >> Timer_Init
  - >> MPU6050_Init
  - >> menu2_TodayStep
  - >> menu2_SetStep
  - >> menu2_SetClock
  - >> menu2_RencentTime
  - >> menu1
  - >> Key_Init
  - >> OLED_Init
  - >> MyRTC_Init
  [Called By]
  - >> __rt_entry_main

  menu1 (Thumb, 476 bytes, Stack size 8 bytes, menu.o(i.menu1))
  [Stack]

  - Max Depth = 160
  - Call Chain = menu1 ⇒ OLED_ShowString ⇒ OLED_ShowChar ⇒ OLED_ShowImage ⇒ OLED_ClearArea
  [Calls]
  - >> GPIO_SetBits
  - >> GPIO_Init
  - >> RCC_APB2PeriphClockCmd
  - >> Key_GetNum
  - >> OLED_Update
  - >> OLED_ShowString
  - >> OLED_ReverseArea
  - >> OLED_Clear
  [Called By]
  - >> main

  menu2_RencentTime (Thumb, 204 bytes, Stack size 16 bytes, menu.o(i.menu2_RencentTime))
  [Stack]

  - Max Depth = 464 + Unknown Stack Size
  - Call Chain = menu2_RencentTime ⇒ OLED_Printf ⇒ OLED_ShowString ⇒ OLED_ShowChar ⇒ OLED_ShowImage ⇒ OLED_ClearArea
  [Calls]
  - >> Key_GetNum
  - >> OLED_Update
  - >> OLED_ShowString
  - >> OLED_ReverseArea
  - >> OLED_Printf
  - >> OLED_Clear
  - >> MyRTC_ReadTime
  [Called By]
  - >> main

  menu2_SetClock (Thumb, 442 bytes, Stack size 16 bytes, menu.o(i.menu2_SetClock))
  [Stack]

  - Max Depth = 168
  - Call Chain = menu2_SetClock ⇒ OLED_ShowString ⇒ OLED_ShowChar ⇒ OLED_ShowImage ⇒ OLED_ClearArea
  [Calls]
  - >> Key_GetNum
  - >> OLED_Update
  - >> OLED_ShowString
  - >> OLED_ShowNum
  - >> OLED_ReverseArea
  - >> OLED_Clear
  [Called By]
  - >> main

  menu2_SetStep (Thumb, 152 bytes, Stack size 8 bytes, menu.o(i.menu2_SetStep))
  [Stack]

  - Max Depth = 160
  - Call Chain = menu2_SetStep ⇒ OLED_ShowString ⇒ OLED_ShowChar ⇒ OLED_ShowImage ⇒ OLED_ClearArea
  [Calls]
  - >> Key_GetNum
  - >> OLED_Update
  - >> OLED_ShowString
  - >> OLED_ShowNum
  - >> OLED_ReverseArea
  - >> OLED_Clear
  [Called By]
  - >> main

  menu2_TodayStep (Thumb, 216 bytes, Stack size 16 bytes, menu.o(i.menu2_TodayStep))
  [Stack]

  - Max Depth = 168
  - Call Chain = menu2_TodayStep ⇒ OLED_ShowString ⇒ OLED_ShowChar ⇒ OLED_ShowImage ⇒ OLED_ClearArea
  [Calls]
  - >> Timer_Init
  - >> MPU6050_Init
  - >> MPU6050_GetData
  - >> Key_GetNum
  - >> OLED_Update
  - >> OLED_ShowString
  - >> OLED_ShowNum
  - >> OLED_ReverseArea
  - >> OLED_Clear
  - >> calculate_steps
  [Called By]
  - >> main

  _get_lc_numeric (Thumb, 44 bytes, Stack size 8 bytes, lc_numeric_c.o(locale$$code))
  [Stack]

  - Max Depth = 8
  - Call Chain = _get_lc_numeric
  [Calls]
  - >> strcmp
  [Called By]
  - >> __rt_lib_init_lc_numeric_2

  _get_lc_ctype (Thumb, 44 bytes, Stack size 8 bytes, lc_ctype_c.o(locale$$code))
  [Stack]

  - Max Depth = 8
  - Call Chain = _get_lc_ctype
  [Calls]
  - >> strcmp
  [Called By]
  - >> __rt_lib_init_lc_ctype_2
  [Address Reference Count : 1]
  - rt_ctype_table.o(.text)

  __fpl_dcmp_Inf (Thumb, 24 bytes, Stack size 0 bytes, dcmpi.o(x$fpl$dcmpinf), UNUSED)
  [Called By]

  - >> _dcmple

  __aeabi_i2d (Thumb, 0 bytes, Stack size 0 bytes, dflt_clz.o(x$fpl$dflt))
  [Called By]

  - >> calculate_steps

  _dflt (Thumb, 46 bytes, Stack size 0 bytes, dflt_clz.o(x$fpl$dflt), UNUSED)

  __aeabi_cdcmple (Thumb, 0 bytes, Stack size 32 bytes, dleqf.o(x$fpl$dleqf), UNUSED)

  _dcmple (Thumb, 120 bytes, Stack size 32 bytes, dleqf.o(x$fpl$dleqf), UNUSED)
  [Calls]

  - >> __fpl_dnaninf
  - >> __fpl_dcmp_Inf

  __fpl_dcmple_InfNaN (Thumb, 0 bytes, Stack size unknown bytes, dleqf.o(x$fpl$dleqf), UNUSED)
  [Called By]

  - >> _drcmple

  __fpl_dnaninf (Thumb, 156 bytes, Stack size 16 bytes, dnaninf.o(x$fpl$dnaninf), UNUSED)
  [Called By]

  - >> _dcmple

  __aeabi_cdrcmple (Thumb, 0 bytes, Stack size 16 bytes, drleqf.o(x$fpl$drleqf))
  [Stack]

  - Max Depth = 16
  - Call Chain = __aeabi_cdrcmple
  [Called By]
  - >> calculate_steps

  _drcmple (Thumb, 108 bytes, Stack size 16 bytes, drleqf.o(x$fpl$drleqf), UNUSED)
  [Calls]

  - >> __fpl_dcmple_InfNaN

  _printf_fp_dec (Thumb, 4 bytes, Stack size 0 bytes, printf1.o(x$fpl$printf1))
  [Stack]

  - Max Depth = 324
  - Call Chain = _printf_fp_dec ⇒ _printf_fp_dec_real ⇒ _fp_digits ⇒ _btod_etento ⇒ _btod_emul ⇒ _e2e
  [Calls]
  - >> _printf_fp_dec_real
  [Called By]
  - >> _printf_g
  - >> _printf_e
  - >> _printf_f

  _printf_fp_hex (Thumb, 4 bytes, Stack size 0 bytes, printf2.o(x$fpl$printf2))
  [Stack]

  - Max Depth = 112
  - Call Chain = _printf_fp_hex ⇒ _printf_fp_hex_real ⇒ _printf_fp_infnan ⇒ _printf_post_padding
  [Calls]
  - >> _printf_fp_hex_real
  [Called By]
  - >> _printf_a

  ### 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

  _tm_carry (Thumb, 62 bytes, Stack size 8 bytes, mktime.o(.text))
  [Stack]

  - Max Depth = 8
  - Call Chain = _tm_carry
  [Called By]
  - >> mktime

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

  - _printf_char_common.o(.text)

  _fp_digits (Thumb, 432 bytes, Stack size 96 bytes, _printf_fp_dec.o(.text))
  [Stack]

  - Max Depth = 220
  - Call Chain = _fp_digits ⇒ _btod_etento ⇒ _btod_emul ⇒ _e2e
  [Calls]
  - >> _btod_emul
  - >> _btod_ediv
  - >> _btod_d2e
  - >> _btod_etento
  - >> _ll_udiv10
  [Called By]
  - >> _printf_fp_dec_real

  ### Undefined Global Symbols