# Static Call Graph for image E80\E80.axf

#<CALLGRAPH># ARM Linker, 6140002: Last Updated: Wed Feb 11 15:54:38 2026

### Maximum Stack Usage = 576 bytes + Unknown(Cycles, Untraceable Function Pointers)

### Call chain for Maximum Stack Depth:

main ⇒ radio_inits ⇒ lr20xx_radio_lora_set_modulation_params ⇒ lr20xx_workarounds_dcdc_configure ⇒ lr20xx_regmem_write_regmem32 ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout

### Mutually Recursive functions

- ADC1_2_IRQHandler ⇒ ADC1_2_IRQHandler
- BusFault_Handler ⇒ BusFault_Handler
- HardFault_Handler ⇒ HardFault_Handler
- MemManage_Handler ⇒ MemManage_Handler
- NMI_Handler ⇒ NMI_Handler
- UsageFault_Handler ⇒ UsageFault_Handler

  ### Function Pointers

  - ADC1_2_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - BusFault_Handler from stm32f1xx_it.o(.text.BusFault_Handler) referenced from startup_stm32f103xb.o(RESET)
  - CAN1_RX1_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - CAN1_SCE_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DMA1_Channel1_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DMA1_Channel2_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DMA1_Channel3_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DMA1_Channel4_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DMA1_Channel5_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DMA1_Channel6_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DMA1_Channel7_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - DebugMon_Handler from stm32f1xx_it.o(.text.DebugMon_Handler) referenced from startup_stm32f103xb.o(RESET)
  - EXTI0_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - EXTI15_10_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - EXTI1_IRQHandler from stm32f1xx_it.o(.text.EXTI1_IRQHandler) referenced from startup_stm32f103xb.o(RESET)
  - EXTI2_IRQHandler from stm32f1xx_it.o(.text.EXTI2_IRQHandler) referenced from startup_stm32f103xb.o(RESET)
  - EXTI3_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - EXTI4_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - EXTI9_5_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - FLASH_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - HardFault_Handler from stm32f1xx_it.o(.text.HardFault_Handler) referenced from startup_stm32f103xb.o(RESET)
  - I2C1_ER_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - I2C1_EV_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - I2C2_ER_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - I2C2_EV_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - MemManage_Handler from stm32f1xx_it.o(.text.MemManage_Handler) referenced from startup_stm32f103xb.o(RESET)
  - NMI_Handler from stm32f1xx_it.o(.text.NMI_Handler) referenced from startup_stm32f103xb.o(RESET)
  - PVD_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - PendSV_Handler from stm32f1xx_it.o(.text.PendSV_Handler) referenced from startup_stm32f103xb.o(RESET)
  - RCC_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - RTC_Alarm_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - RTC_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - Reset_Handler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - SPI1_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - SPI2_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - SVC_Handler from stm32f1xx_it.o(.text.SVC_Handler) referenced from startup_stm32f103xb.o(RESET)
  - SysTick_Handler from stm32f1xx_it.o(.text.SysTick_Handler) referenced from startup_stm32f103xb.o(RESET)
  - SystemInit from system_stm32f1xx.o(.text.SystemInit) referenced from startup_stm32f103xb.o(.text)
  - TAMPER_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - TIM1_BRK_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - TIM1_CC_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - TIM1_TRG_COM_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - TIM1_UP_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - TIM2_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - TIM3_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - TIM4_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - UART_DMAAbortOnError from stm32f1xx_hal_uart.o(.text.UART_DMAAbortOnError) referenced 2 times from stm32f1xx_hal_uart.o(.text.HAL_UART_IRQHandler)
  - USART1_IRQHandler from stm32f1xx_it.o(.text.USART1_IRQHandler) referenced from startup_stm32f103xb.o(RESET)
  - USART2_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - USART3_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - USBWakeUp_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - USB_HP_CAN1_TX_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - USB_LP_CAN1_RX0_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - UsageFault_Handler from stm32f1xx_it.o(.text.UsageFault_Handler) referenced from startup_stm32f103xb.o(RESET)
  - WWDG_IRQHandler from startup_stm32f103xb.o(.text) referenced from startup_stm32f103xb.o(RESET)
  - __main from entry.o(.ARM.Collect$$$$00000000) referenced from startup_stm32f103xb.o(.text)
  - fputc from main.o(.text.fputc) referenced from printf5.o(i.__0printf$5)
  - main from main.o(.text.main) referenced from entry9a.o(.ARM.Collect$$$$0000000B)

  ### Global Symbols

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

  - startup_stm32f103xb.o(.text)

  _main_stk (Thumb, 0 bytes, Stack size unknown bytes, entry2.o(.ARM.Collect$$$$00000001))

  _main_scatterload (Thumb, 0 bytes, Stack size unknown bytes, entry5.o(.ARM.Collect$$$$00000004))
  [Calls]

  - >> __scatterload

  __main_after_scatterload (Thumb, 0 bytes, Stack size unknown bytes, entry5.o(.ARM.Collect$$$$00000004))
  [Called By]

  - >> __scatterload

  _main_clock (Thumb, 0 bytes, Stack size unknown bytes, entry7b.o(.ARM.Collect$$$$00000008))

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

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

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

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

  Reset_Handler (Thumb, 8 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(RESET)

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

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

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

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

  - >> _memset$wrapper
  - >> __aeabi_memclr

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

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

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

  - >> __aeabi_memset
  [Called By]
  - >> main

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

  - >> main

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

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

  - >> __aeabi_memset

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

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

  __scatterload (Thumb, 28 bytes, Stack size 0 bytes, init.o(.text))
  [Calls]

  - >> __main_after_scatterload
  [Called By]
  - >> _main_scatterload

  __scatterload_rt2 (Thumb, 0 bytes, Stack size 0 bytes, init.o(.text), UNUSED)

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

  - >> __aeabi_uldivmod

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

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

  - >> __aeabi_uldivmod

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

  BusFault_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f1xx_it.o(.text.BusFault_Handler))
  [Calls]

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

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

  - startup_stm32f103xb.o(RESET)

  EXTI1_IRQHandler (Thumb, 6 bytes, Stack size 0 bytes, stm32f1xx_it.o(.text.EXTI1_IRQHandler))
  [Stack]

  - Max Depth = 200
  - Call Chain = EXTI1_IRQHandler ⇒ HAL_GPIO_EXTI_IRQHandler ⇒ HAL_GPIO_EXTI_Callback ⇒ radio_irq_callback ⇒ lr20xx_system_get_and_clear_irq_status ⇒ lr20xx_hal_read ⇒ HAL_SPI_Receive ⇒ HAL_SPI_TransmitReceive ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> HAL_GPIO_EXTI_IRQHandler
  [Address Reference Count : 1]
  - startup_stm32f103xb.o(RESET)

  EXTI2_IRQHandler (Thumb, 6 bytes, Stack size 0 bytes, stm32f1xx_it.o(.text.EXTI2_IRQHandler))
  [Stack]

  - Max Depth = 200
  - Call Chain = EXTI2_IRQHandler ⇒ HAL_GPIO_EXTI_IRQHandler ⇒ HAL_GPIO_EXTI_Callback ⇒ radio_irq_callback ⇒ lr20xx_system_get_and_clear_irq_status ⇒ lr20xx_hal_read ⇒ HAL_SPI_Receive ⇒ HAL_SPI_TransmitReceive ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> HAL_GPIO_EXTI_IRQHandler
  [Address Reference Count : 1]
  - startup_stm32f103xb.o(RESET)

  HAL_DMA_Abort (Thumb, 70 bytes, Stack size 0 bytes, stm32f1xx_hal_dma.o(.text.HAL_DMA_Abort))
  [Called By]

  - >> HAL_UART_IRQHandler

  HAL_DMA_Abort_IT (Thumb, 174 bytes, Stack size 8 bytes, stm32f1xx_hal_dma.o(.text.HAL_DMA_Abort_IT))
  [Stack]

  - Max Depth = 8
  - Call Chain = HAL_DMA_Abort_IT
  [Called By]
  - >> HAL_UART_IRQHandler

  HAL_Delay (Thumb, 40 bytes, Stack size 16 bytes, stm32f1xx_hal.o(.text.HAL_Delay))
  [Stack]

  - Max Depth = 16
  - Call Chain = HAL_Delay
  [Calls]
  - >> HAL_GetTick
  [Called By]
  - >> main
  - >> lr20xx_hal_reset
  - >> lr20xx_hal_direct_read_fifo
  - >> lr20xx_hal_write
  - >> lr20xx_hal_read

  HAL_GPIO_DeInit (Thumb, 468 bytes, Stack size 40 bytes, stm32f1xx_hal_gpio.o(.text.HAL_GPIO_DeInit))
  [Stack]

  - Max Depth = 40
  - Call Chain = HAL_GPIO_DeInit
  [Called By]
  - >> HAL_SPI_MspDeInit

  HAL_GPIO_EXTI_Callback (Thumb, 10 bytes, Stack size 0 bytes, user_radio.o(.text.HAL_GPIO_EXTI_Callback))
  [Stack]

  - Max Depth = 200
  - Call Chain = HAL_GPIO_EXTI_Callback ⇒ radio_irq_callback ⇒ lr20xx_system_get_and_clear_irq_status ⇒ lr20xx_hal_read ⇒ HAL_SPI_Receive ⇒ HAL_SPI_TransmitReceive ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> radio_irq_callback
  [Called By]
  - >> HAL_GPIO_EXTI_IRQHandler

  HAL_GPIO_EXTI_IRQHandler (Thumb, 22 bytes, Stack size 0 bytes, stm32f1xx_hal_gpio.o(.text.HAL_GPIO_EXTI_IRQHandler))
  [Stack]

  - Max Depth = 200
  - Call Chain = HAL_GPIO_EXTI_IRQHandler ⇒ HAL_GPIO_EXTI_Callback ⇒ radio_irq_callback ⇒ lr20xx_system_get_and_clear_irq_status ⇒ lr20xx_hal_read ⇒ HAL_SPI_Receive ⇒ HAL_SPI_TransmitReceive ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> HAL_GPIO_EXTI_Callback
  [Called By]
  - >> EXTI2_IRQHandler
  - >> EXTI1_IRQHandler

  HAL_GPIO_Init (Thumb, 526 bytes, Stack size 44 bytes, stm32f1xx_hal_gpio.o(.text.HAL_GPIO_Init))
  [Stack]

  - Max Depth = 44
  - Call Chain = HAL_GPIO_Init
  [Called By]
  - >> main
  - >> HAL_UART_MspInit
  - >> HAL_SPI_MspInit

  HAL_GPIO_ReadPin (Thumb, 10 bytes, Stack size 0 bytes, stm32f1xx_hal_gpio.o(.text.HAL_GPIO_ReadPin))
  [Called By]

  - >> lr20xx_hal_direct_read_fifo
  - >> lr20xx_hal_write
  - >> lr20xx_hal_read

  HAL_GPIO_WritePin (Thumb, 10 bytes, Stack size 0 bytes, stm32f1xx_hal_gpio.o(.text.HAL_GPIO_WritePin))
  [Called By]

  - >> main
  - >> lr20xx_hal_reset
  - >> lr20xx_hal_direct_read_fifo
  - >> lr20xx_hal_write
  - >> lr20xx_hal_read

  HAL_GetTick (Thumb, 12 bytes, Stack size 0 bytes, stm32f1xx_hal.o(.text.HAL_GetTick))
  [Called By]

  - >> HAL_UART_Transmit
  - >> HAL_RCC_OscConfig
  - >> HAL_RCC_ClockConfig
  - >> HAL_Delay
  - >> HAL_UART_Receive
  - >> HAL_SPI_TransmitReceive
  - >> HAL_SPI_Transmit
  - >> HAL_SPI_Receive
  - >> SPI_WaitFlagStateUntilTimeout

  HAL_IncTick (Thumb, 26 bytes, Stack size 0 bytes, stm32f1xx_hal.o(.text.HAL_IncTick))
  [Called By]

  - >> SysTick_Handler

  HAL_Init (Thumb, 38 bytes, Stack size 8 bytes, stm32f1xx_hal.o(.text.HAL_Init))
  [Stack]

  - Max Depth = 32
  - Call Chain = HAL_Init ⇒ HAL_InitTick ⇒ HAL_NVIC_SetPriority
  [Calls]
  - >> HAL_NVIC_SetPriorityGrouping
  - >> HAL_InitTick
  - >> HAL_MspInit
  [Called By]
  - >> main

  HAL_InitTick (Thumb, 72 bytes, Stack size 16 bytes, stm32f1xx_hal.o(.text.HAL_InitTick))
  [Stack]

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

  HAL_MspInit (Thumb, 66 bytes, Stack size 8 bytes, stm32f1xx_hal_msp.o(.text.HAL_MspInit))
  [Stack]

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

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

  - >> main
  - >> HAL_UART_MspInit

  HAL_NVIC_SetPriority (Thumb, 86 bytes, Stack size 8 bytes, stm32f1xx_hal_cortex.o(.text.HAL_NVIC_SetPriority))
  [Stack]

  - Max Depth = 8
  - Call Chain = HAL_NVIC_SetPriority
  [Called By]
  - >> main
  - >> HAL_InitTick
  - >> HAL_UART_MspInit

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

  - >> HAL_Init

  HAL_PWR_EnterSLEEPMode (Thumb, 30 bytes, Stack size 0 bytes, stm32f1xx_hal_pwr.o(.text.HAL_PWR_EnterSLEEPMode))
  [Called By]

  - >> main

  HAL_RCC_ClockConfig (Thumb, 436 bytes, Stack size 32 bytes, stm32f1xx_hal_rcc.o(.text.HAL_RCC_ClockConfig))
  [Stack]

  - Max Depth = 56
  - Call Chain = HAL_RCC_ClockConfig ⇒ HAL_InitTick ⇒ HAL_NVIC_SetPriority
  [Calls]
  - >> HAL_InitTick
  - >> HAL_GetTick
  [Called By]
  - >> main

  HAL_RCC_GetPCLK1Freq (Thumb, 38 bytes, Stack size 0 bytes, stm32f1xx_hal_rcc.o(.text.HAL_RCC_GetPCLK1Freq))
  [Called By]

  - >> HAL_UART_Init

  HAL_RCC_GetPCLK2Freq (Thumb, 38 bytes, Stack size 0 bytes, stm32f1xx_hal_rcc.o(.text.HAL_RCC_GetPCLK2Freq))
  [Called By]

  - >> HAL_UART_Init

  HAL_RCC_OscConfig (Thumb, 924 bytes, Stack size 32 bytes, stm32f1xx_hal_rcc.o(.text.HAL_RCC_OscConfig))
  [Stack]

  - Max Depth = 32
  - Call Chain = HAL_RCC_OscConfig
  [Calls]
  - >> HAL_GetTick
  [Called By]
  - >> main

  HAL_SPI_DeInit (Thumb, 48 bytes, Stack size 8 bytes, stm32f1xx_hal_spi.o(.text.HAL_SPI_DeInit))
  [Stack]

  - Max Depth = 48
  - Call Chain = HAL_SPI_DeInit ⇒ HAL_SPI_MspDeInit ⇒ HAL_GPIO_DeInit
  [Calls]
  - >> HAL_SPI_MspDeInit
  [Called By]
  - >> main

  HAL_SPI_Init (Thumb, 180 bytes, Stack size 16 bytes, stm32f1xx_hal_spi.o(.text.HAL_SPI_Init))
  [Stack]

  - Max Depth = 100
  - Call Chain = HAL_SPI_Init ⇒ HAL_SPI_MspInit ⇒ HAL_GPIO_Init
  [Calls]
  - >> HAL_SPI_MspInit
  [Called By]
  - >> main

  HAL_SPI_MspDeInit (Thumb, 44 bytes, Stack size 0 bytes, stm32f1xx_hal_msp.o(.text.HAL_SPI_MspDeInit))
  [Stack]

  - Max Depth = 40
  - Call Chain = HAL_SPI_MspDeInit ⇒ HAL_GPIO_DeInit
  [Calls]
  - >> HAL_GPIO_DeInit
  [Called By]
  - >> HAL_SPI_DeInit

  HAL_SPI_MspInit (Thumb, 122 bytes, Stack size 40 bytes, stm32f1xx_hal_msp.o(.text.HAL_SPI_MspInit))
  [Stack]

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

  HAL_SPI_Receive (Thumb, 510 bytes, Stack size 32 bytes, stm32f1xx_hal_spi.o(.text.HAL_SPI_Receive))
  [Stack]

  - Max Depth = 104
  - Call Chain = HAL_SPI_Receive ⇒ HAL_SPI_TransmitReceive ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> HAL_SPI_TransmitReceive
  - >> HAL_GetTick
  - >> SPI_WaitFlagStateUntilTimeout
  [Called By]
  - >> lr20xx_hal_direct_read_fifo
  - >> lr20xx_hal_read

  HAL_SPI_Transmit (Thumb, 502 bytes, Stack size 32 bytes, stm32f1xx_hal_spi.o(.text.HAL_SPI_Transmit))
  [Stack]

  - Max Depth = 64
  - Call Chain = HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> HAL_GetTick
  - >> SPI_WaitFlagStateUntilTimeout
  [Called By]
  - >> lr20xx_hal_write
  - >> lr20xx_hal_read

  HAL_SPI_TransmitReceive (Thumb, 716 bytes, Stack size 40 bytes, stm32f1xx_hal_spi.o(.text.HAL_SPI_TransmitReceive))
  [Stack]

  - Max Depth = 72
  - Call Chain = HAL_SPI_TransmitReceive ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> HAL_GetTick
  - >> SPI_WaitFlagStateUntilTimeout
  [Called By]
  - >> HAL_SPI_Receive

  HAL_SYSTICK_Config (Thumb, 44 bytes, Stack size 0 bytes, stm32f1xx_hal_cortex.o(.text.HAL_SYSTICK_Config))
  [Called By]

  - >> HAL_InitTick

  HAL_UARTEx_RxEventCallback (Thumb, 2 bytes, Stack size 0 bytes, stm32f1xx_hal_uart.o(.text.HAL_UARTEx_RxEventCallback))
  [Called By]

  - >> HAL_UART_IRQHandler
  - >> UART_Receive_IT

  HAL_UART_ErrorCallback (Thumb, 2 bytes, Stack size 0 bytes, stm32f1xx_hal_uart.o(.text.HAL_UART_ErrorCallback))
  [Called By]

  - >> HAL_UART_IRQHandler
  - >> UART_DMAAbortOnError

  HAL_UART_IRQHandler (Thumb, 1384 bytes, Stack size 24 bytes, stm32f1xx_hal_uart.o(.text.HAL_UART_IRQHandler))
  [Stack]

  - Max Depth = 32
  - Call Chain = HAL_UART_IRQHandler ⇒ HAL_DMA_Abort_IT
  [Calls]
  - >> HAL_DMA_Abort_IT
  - >> HAL_DMA_Abort
  - >> UART_Receive_IT
  - >> HAL_UART_TxCpltCallback
  - >> HAL_UART_ErrorCallback
  - >> HAL_UARTEx_RxEventCallback
  [Called By]
  - >> USART1_IRQHandler

  HAL_UART_Init (Thumb, 220 bytes, Stack size 8 bytes, stm32f1xx_hal_uart.o(.text.HAL_UART_Init))
  [Stack]

  - Max Depth = 92
  - Call Chain = HAL_UART_Init ⇒ HAL_UART_MspInit ⇒ HAL_GPIO_Init
  [Calls]
  - >> HAL_RCC_GetPCLK2Freq
  - >> HAL_RCC_GetPCLK1Freq
  - >> HAL_UART_MspInit
  [Called By]
  - >> main

  HAL_UART_MspInit (Thumb, 142 bytes, Stack size 40 bytes, stm32f1xx_hal_msp.o(.text.HAL_UART_MspInit))
  [Stack]

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

  HAL_UART_Receive (Thumb, 592 bytes, Stack size 32 bytes, stm32f1xx_hal_uart.o(.text.HAL_UART_Receive))
  [Stack]

  - Max Depth = 32
  - Call Chain = HAL_UART_Receive
  [Calls]
  - >> HAL_GetTick
  [Called By]
  - >> uart_interrupt_callback

  HAL_UART_RxCpltCallback (Thumb, 2 bytes, Stack size 0 bytes, stm32f1xx_hal_uart.o(.text.HAL_UART_RxCpltCallback))
  [Called By]

  - >> UART_Receive_IT

  HAL_UART_Transmit (Thumb, 376 bytes, Stack size 24 bytes, stm32f1xx_hal_uart.o(.text.HAL_UART_Transmit))
  [Stack]

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

  HAL_UART_TxCpltCallback (Thumb, 2 bytes, Stack size 0 bytes, stm32f1xx_hal_uart.o(.text.HAL_UART_TxCpltCallback))
  [Called By]

  - >> HAL_UART_IRQHandler

  HardFault_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f1xx_it.o(.text.HardFault_Handler))
  [Calls]

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

  MemManage_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f1xx_it.o(.text.MemManage_Handler))
  [Calls]

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

  NMI_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f1xx_it.o(.text.NMI_Handler))
  [Calls]

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

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

  - startup_stm32f103xb.o(RESET)

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

  - startup_stm32f103xb.o(RESET)

  SysTick_Handler (Thumb, 14 bytes, Stack size 8 bytes, stm32f1xx_it.o(.text.SysTick_Handler))
  [Stack]

  - Max Depth = 16
  - Call Chain = SysTick_Handler ⇒ uart_recvidle
  [Calls]
  - >> uart_recvidle
  - >> HAL_IncTick
  [Address Reference Count : 1]
  - startup_stm32f103xb.o(RESET)

  SystemInit (Thumb, 2 bytes, Stack size 0 bytes, system_stm32f1xx.o(.text.SystemInit))
  [Address Reference Count : 1]

  - startup_stm32f103xb.o(.text)

  USART1_IRQHandler (Thumb, 22 bytes, Stack size 8 bytes, stm32f1xx_it.o(.text.USART1_IRQHandler))
  [Stack]

  - Max Depth = 60
  - Call Chain = USART1_IRQHandler ⇒ uart_interrupt_callback ⇒ fifo_write
  [Calls]
  - >> uart_interrupt_callback
  - >> HAL_UART_IRQHandler
  [Address Reference Count : 1]
  - startup_stm32f103xb.o(RESET)

  UsageFault_Handler (Thumb, 2 bytes, Stack size 0 bytes, stm32f1xx_it.o(.text.UsageFault_Handler))
  [Calls]

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

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

  - >> main

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

  - >> main

  event_set (Thumb, 16 bytes, Stack size 0 bytes, event.o(.text.event_set))
  [Called By]

  - >> radio_irq_callback
  - >> uart_recvidle
  - >> uart_interrupt_callback

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

  - >> uart_fifo_init

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

  - >> uart_read
  - >> uart_interrupt_callback

  fifo_read (Thumb, 270 bytes, Stack size 36 bytes, fifo.o(.text.fifo_read))
  [Stack]

  - Max Depth = 36
  - Call Chain = fifo_read
  [Called By]
  - >> uart_read
  - >> uart_interrupt_callback

  fifo_write (Thumb, 282 bytes, Stack size 36 bytes, fifo.o(.text.fifo_write))
  [Stack]

  - Max Depth = 36
  - Call Chain = fifo_write
  [Called By]
  - >> uart_interrupt_callback

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

  - Max Depth = 40
  - Call Chain = fputc ⇒ HAL_UART_Transmit
  [Calls]
  - >> HAL_UART_Transmit
  [Called By]
  - >> puts
  [Address Reference Count : 1]
  - printf5.o(i.__0printf$5)

  lr20xx_hal_direct_read_fifo (Thumb, 160 bytes, Stack size 24 bytes, lr20xx_hal.o(.text.lr20xx_hal_direct_read_fifo))
  [Stack]

  - Max Depth = 128
  - Call Chain = lr20xx_hal_direct_read_fifo ⇒ HAL_SPI_Receive ⇒ HAL_SPI_TransmitReceive ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> HAL_GPIO_WritePin
  - >> HAL_Delay
  - >> HAL_SPI_Receive
  - >> HAL_GPIO_ReadPin
  [Called By]
  - >> lr20xx_radio_fifo_read_rx

  lr20xx_hal_read (Thumb, 226 bytes, Stack size 32 bytes, lr20xx_hal.o(.text.lr20xx_hal_read))
  [Stack]

  - Max Depth = 136
  - Call Chain = lr20xx_hal_read ⇒ HAL_SPI_Receive ⇒ HAL_SPI_TransmitReceive ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> HAL_GPIO_WritePin
  - >> HAL_Delay
  - >> HAL_SPI_Transmit
  - >> HAL_SPI_Receive
  - >> HAL_GPIO_ReadPin
  [Called By]
  - >> lr20xx_system_get_version
  - >> lr20xx_system_get_errors
  - >> lr20xx_system_get_and_clear_irq_status
  - >> lr20xx_radio_lora_get_packet_status
  - >> lr20xx_regmem_read_regmem32

  lr20xx_hal_reset (Thumb, 52 bytes, Stack size 16 bytes, lr20xx_hal.o(.text.lr20xx_hal_reset))
  [Stack]

  - Max Depth = 32
  - Call Chain = lr20xx_hal_reset ⇒ HAL_Delay
  [Calls]
  - >> HAL_GPIO_WritePin
  - >> HAL_Delay
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_hal_write (Thumb, 196 bytes, Stack size 24 bytes, lr20xx_hal.o(.text.lr20xx_hal_write))
  [Stack]

  - Max Depth = 88
  - Call Chain = lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> HAL_GPIO_WritePin
  - >> HAL_Delay
  - >> HAL_SPI_Transmit
  - >> HAL_GPIO_ReadPin
  [Called By]
  - >> lr20xx_radio_common_set_tx_test_mode
  - >> lr20xx_system_set_tcxo_mode
  - >> lr20xx_system_set_standby_mode
  - >> lr20xx_system_set_sleep_mode
  - >> lr20xx_system_set_reg_mode
  - >> lr20xx_system_set_dio_irq_cfg
  - >> lr20xx_system_set_dio_function
  - >> lr20xx_system_configure_xosc
  - >> lr20xx_system_clear_irq_status
  - >> lr20xx_system_clear_errors
  - >> lr20xx_system_cfg_lfclk
  - >> lr20xx_system_calibrate
  - >> lr20xx_radio_lora_set_syncword
  - >> lr20xx_radio_lora_set_packet_params
  - >> lr20xx_radio_lora_set_modulation_params
  - >> lr20xx_radio_fifo_write_tx
  - >> lr20xx_radio_common_set_tx_params
  - >> lr20xx_radio_common_set_tx
  - >> lr20xx_radio_common_set_rx_tx_fallback_mode
  - >> lr20xx_radio_common_set_rx_path
  - >> lr20xx_radio_common_set_rx
  - >> lr20xx_radio_common_set_rf_freq
  - >> lr20xx_radio_common_set_pkt_type
  - >> lr20xx_radio_common_set_pa_cfg
  - >> lr20xx_regmem_write_regmem32_mask
  - >> lr20xx_regmem_write_regmem32

  lr20xx_radio_common_set_pa_cfg (Thumb, 70 bytes, Stack size 24 bytes, lr20xx_radio_common.o(.text.lr20xx_radio_common_set_pa_cfg))
  [Stack]

  - Max Depth = 112
  - Call Chain = lr20xx_radio_common_set_pa_cfg ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> main
  - >> radio_inits
  - >> radio_init

  lr20xx_radio_common_set_pkt_type (Thumb, 56 bytes, Stack size 16 bytes, lr20xx_radio_common.o(.text.lr20xx_radio_common_set_pkt_type))
  [Stack]

  - Max Depth = 424
  - Call Chain = lr20xx_radio_common_set_pkt_type ⇒ lr20xx_workarounds_dcdc_reset ⇒ lr20xx_regmem_write_regmem32 ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_workarounds_dcdc_reset
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_radio_common_set_rf_freq (Thumb, 56 bytes, Stack size 24 bytes, lr20xx_radio_common.o(.text.lr20xx_radio_common_set_rf_freq))
  [Stack]

  - Max Depth = 112
  - Call Chain = lr20xx_radio_common_set_rf_freq ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> main
  - >> radio_inits
  - >> radio_init
  - >> lr20xx_workarounds_dcdc_reset
  - >> lr20xx_workarounds_dcdc_configure

  lr20xx_radio_common_set_rx (Thumb, 68 bytes, Stack size 24 bytes, lr20xx_radio_common.o(.text.lr20xx_radio_common_set_rx))
  [Stack]

  - Max Depth = 112
  - Call Chain = lr20xx_radio_common_set_rx ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_rx
  - >> radio_irq_callback

  lr20xx_radio_common_set_rx_path (Thumb, 58 bytes, Stack size 16 bytes, lr20xx_radio_common.o(.text.lr20xx_radio_common_set_rx_path))
  [Stack]

  - Max Depth = 440
  - Call Chain = lr20xx_radio_common_set_rx_path ⇒ lr20xx_workarounds_dcdc_configure ⇒ lr20xx_regmem_write_regmem32 ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_workarounds_dcdc_configure
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_radio_common_set_rx_tx_fallback_mode (Thumb, 40 bytes, Stack size 16 bytes, lr20xx_radio_common.o(.text.lr20xx_radio_common_set_rx_tx_fallback_mode))
  [Stack]

  - Max Depth = 104
  - Call Chain = lr20xx_radio_common_set_rx_tx_fallback_mode ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_radio_common_set_tx (Thumb, 68 bytes, Stack size 24 bytes, lr20xx_radio_common.o(.text.lr20xx_radio_common_set_tx))
  [Stack]

  - Max Depth = 112
  - Call Chain = lr20xx_radio_common_set_tx ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_tx_custom
  - >> radio_tx_auto

  lr20xx_radio_common_set_tx_params (Thumb, 42 bytes, Stack size 16 bytes, lr20xx_radio_common.o(.text.lr20xx_radio_common_set_tx_params))
  [Stack]

  - Max Depth = 104
  - Call Chain = lr20xx_radio_common_set_tx_params ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> main
  - >> radio_inits
  - >> radio_init

  lr20xx_radio_common_set_tx_test_mode (Thumb, 40 bytes, Stack size 16 bytes, lr20xx_radio_common.o(.text.lr20xx_radio_common_set_tx_test_mode))
  [Stack]

  - Max Depth = 104
  - Call Chain = lr20xx_radio_common_set_tx_test_mode ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> main

  lr20xx_radio_fifo_read_rx (Thumb, 34 bytes, Stack size 16 bytes, lr20xx_radio_fifo.o(.text.lr20xx_radio_fifo_read_rx))
  [Stack]

  - Max Depth = 144
  - Call Chain = lr20xx_radio_fifo_read_rx ⇒ lr20xx_hal_direct_read_fifo ⇒ HAL_SPI_Receive ⇒ HAL_SPI_TransmitReceive ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_direct_read_fifo
  [Called By]
  - >> radio_irq_callback

  lr20xx_radio_fifo_write_tx (Thumb, 34 bytes, Stack size 16 bytes, lr20xx_radio_fifo.o(.text.lr20xx_radio_fifo_write_tx))
  [Stack]

  - Max Depth = 104
  - Call Chain = lr20xx_radio_fifo_write_tx ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_tx_custom
  - >> radio_tx_auto

  lr20xx_radio_lora_get_packet_status (Thumb, 122 bytes, Stack size 24 bytes, lr20xx_radio_lora.o(.text.lr20xx_radio_lora_get_packet_status))
  [Stack]

  - Max Depth = 160
  - Call Chain = lr20xx_radio_lora_get_packet_status ⇒ lr20xx_hal_read ⇒ HAL_SPI_Receive ⇒ HAL_SPI_TransmitReceive ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_read
  [Called By]
  - >> radio_irq_callback

  lr20xx_radio_lora_set_modulation_params (Thumb, 74 bytes, Stack size 16 bytes, lr20xx_radio_lora.o(.text.lr20xx_radio_lora_set_modulation_params))
  [Stack]

  - Max Depth = 440
  - Call Chain = lr20xx_radio_lora_set_modulation_params ⇒ lr20xx_workarounds_dcdc_configure ⇒ lr20xx_regmem_write_regmem32 ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_workarounds_dcdc_configure
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_radio_lora_set_packet_params (Thumb, 72 bytes, Stack size 24 bytes, lr20xx_radio_lora.o(.text.lr20xx_radio_lora_set_packet_params))
  [Stack]

  - Max Depth = 112
  - Call Chain = lr20xx_radio_lora_set_packet_params ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_tx_custom
  - >> radio_tx_auto
  - >> radio_rx
  - >> radio_irq_callback
  - >> radio_inits
  - >> radio_init

  lr20xx_radio_lora_set_syncword (Thumb, 40 bytes, Stack size 16 bytes, lr20xx_radio_lora.o(.text.lr20xx_radio_lora_set_syncword))
  [Stack]

  - Max Depth = 104
  - Call Chain = lr20xx_radio_lora_set_syncword ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_regmem_read_regmem32 (Thumb, 232 bytes, Stack size 32 bytes, lr20xx_regmem.o(.text.lr20xx_regmem_read_regmem32))
  [Stack]

  - Max Depth = 168
  - Call Chain = lr20xx_regmem_read_regmem32 ⇒ lr20xx_hal_read ⇒ HAL_SPI_Receive ⇒ HAL_SPI_TransmitReceive ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_read
  [Called By]
  - >> lr20xx_workarounds_dcdc_reset
  - >> lr20xx_workarounds_dcdc_configure

  lr20xx_regmem_write_regmem32 (Thumb, 192 bytes, Stack size 296 bytes, lr20xx_regmem.o(.text.lr20xx_regmem_write_regmem32))
  [Stack]

  - Max Depth = 384
  - Call Chain = lr20xx_regmem_write_regmem32 ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> lr20xx_workarounds_dcdc_reset
  - >> lr20xx_workarounds_dcdc_configure

  lr20xx_regmem_write_regmem32_mask (Thumb, 100 bytes, Stack size 32 bytes, lr20xx_regmem.o(.text.lr20xx_regmem_write_regmem32_mask))
  [Stack]

  - Max Depth = 120
  - Call Chain = lr20xx_regmem_write_regmem32_mask ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> lr20xx_workarounds_dcdc_reset
  - >> lr20xx_workarounds_dcdc_configure

  lr20xx_system_calibrate (Thumb, 40 bytes, Stack size 16 bytes, lr20xx_system.o(.text.lr20xx_system_calibrate))
  [Stack]

  - Max Depth = 104
  - Call Chain = lr20xx_system_calibrate ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_system_cfg_lfclk (Thumb, 40 bytes, Stack size 16 bytes, lr20xx_system.o(.text.lr20xx_system_cfg_lfclk))
  [Stack]

  - Max Depth = 104
  - Call Chain = lr20xx_system_cfg_lfclk ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_system_clear_errors (Thumb, 36 bytes, Stack size 16 bytes, lr20xx_system.o(.text.lr20xx_system_clear_errors))
  [Stack]

  - Max Depth = 104
  - Call Chain = lr20xx_system_clear_errors ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_system_clear_irq_status (Thumb, 58 bytes, Stack size 24 bytes, lr20xx_system.o(.text.lr20xx_system_clear_irq_status))
  [Stack]

  - Max Depth = 112
  - Call Chain = lr20xx_system_clear_irq_status ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_tx_custom
  - >> radio_tx_auto
  - >> radio_rx
  - >> radio_irq_callback

  lr20xx_system_configure_xosc (Thumb, 48 bytes, Stack size 24 bytes, lr20xx_system.o(.text.lr20xx_system_configure_xosc))
  [Stack]

  - Max Depth = 112
  - Call Chain = lr20xx_system_configure_xosc ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_system_get_and_clear_irq_status (Thumb, 50 bytes, Stack size 32 bytes, lr20xx_system.o(.text.lr20xx_system_get_and_clear_irq_status))
  [Stack]

  - Max Depth = 168
  - Call Chain = lr20xx_system_get_and_clear_irq_status ⇒ lr20xx_hal_read ⇒ HAL_SPI_Receive ⇒ HAL_SPI_TransmitReceive ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_read
  [Called By]
  - >> radio_irq_callback

  lr20xx_system_get_errors (Thumb, 56 bytes, Stack size 24 bytes, lr20xx_system.o(.text.lr20xx_system_get_errors))
  [Stack]

  - Max Depth = 160
  - Call Chain = lr20xx_system_get_errors ⇒ lr20xx_hal_read ⇒ HAL_SPI_Receive ⇒ HAL_SPI_TransmitReceive ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_read
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_system_get_version (Thumb, 52 bytes, Stack size 24 bytes, lr20xx_system.o(.text.lr20xx_system_get_version))
  [Stack]

  - Max Depth = 160
  - Call Chain = lr20xx_system_get_version ⇒ lr20xx_hal_read ⇒ HAL_SPI_Receive ⇒ HAL_SPI_TransmitReceive ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_read
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_system_set_dio_function (Thumb, 46 bytes, Stack size 16 bytes, lr20xx_system.o(.text.lr20xx_system_set_dio_function))
  [Stack]

  - Max Depth = 104
  - Call Chain = lr20xx_system_set_dio_function ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_system_set_dio_irq_cfg (Thumb, 62 bytes, Stack size 24 bytes, lr20xx_system.o(.text.lr20xx_system_set_dio_irq_cfg))
  [Stack]

  - Max Depth = 112
  - Call Chain = lr20xx_system_set_dio_irq_cfg ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_tx_custom
  - >> radio_tx_auto
  - >> radio_rx
  - >> radio_irq_callback

  lr20xx_system_set_reg_mode (Thumb, 40 bytes, Stack size 16 bytes, lr20xx_system.o(.text.lr20xx_system_set_reg_mode))
  [Stack]

  - Max Depth = 104
  - Call Chain = lr20xx_system_set_reg_mode ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_system_set_sleep_mode (Thumb, 70 bytes, Stack size 24 bytes, lr20xx_system.o(.text.lr20xx_system_set_sleep_mode))
  [Stack]

  - Max Depth = 112
  - Call Chain = lr20xx_system_set_sleep_mode ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_sleep

  lr20xx_system_set_standby_mode (Thumb, 40 bytes, Stack size 16 bytes, lr20xx_system.o(.text.lr20xx_system_set_standby_mode))
  [Stack]

  - Max Depth = 104
  - Call Chain = lr20xx_system_set_standby_mode ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_system_set_tcxo_mode (Thumb, 62 bytes, Stack size 24 bytes, lr20xx_system.o(.text.lr20xx_system_set_tcxo_mode))
  [Stack]

  - Max Depth = 112
  - Call Chain = lr20xx_system_set_tcxo_mode ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_hal_write
  [Called By]
  - >> radio_inits
  - >> radio_init

  lr20xx_workarounds_dcdc_configure (Thumb, 298 bytes, Stack size 40 bytes, lr20xx_workarounds.o(.text.lr20xx_workarounds_dcdc_configure))
  [Stack]

  - Max Depth = 424
  - Call Chain = lr20xx_workarounds_dcdc_configure ⇒ lr20xx_regmem_write_regmem32 ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_radio_common_set_rf_freq
  - >> lr20xx_regmem_read_regmem32
  - >> lr20xx_regmem_write_regmem32_mask
  - >> lr20xx_regmem_write_regmem32
  [Called By]
  - >> lr20xx_radio_lora_set_modulation_params
  - >> lr20xx_radio_common_set_rx_path

  lr20xx_workarounds_dcdc_reset (Thumb, 138 bytes, Stack size 24 bytes, lr20xx_workarounds.o(.text.lr20xx_workarounds_dcdc_reset))
  [Stack]

  - Max Depth = 408
  - Call Chain = lr20xx_workarounds_dcdc_reset ⇒ lr20xx_regmem_write_regmem32 ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_radio_common_set_rf_freq
  - >> lr20xx_regmem_read_regmem32
  - >> lr20xx_regmem_write_regmem32_mask
  - >> lr20xx_regmem_write_regmem32
  [Called By]
  - >> lr20xx_radio_common_set_pkt_type

  main (Thumb, 1760 bytes, Stack size 88 bytes, main.o(.text.main))
  [Stack]

  - Max Depth = 576
  - Call Chain = main ⇒ radio_inits ⇒ lr20xx_radio_lora_set_modulation_params ⇒ lr20xx_workarounds_dcdc_configure ⇒ lr20xx_regmem_write_regmem32 ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_radio_common_set_tx_test_mode
  - >> HAL_UART_Transmit
  - >> HAL_UART_Init
  - >> HAL_SPI_Init
  - >> HAL_SPI_DeInit
  - >> HAL_RCC_OscConfig
  - >> HAL_RCC_ClockConfig
  - >> HAL_PWR_EnterSLEEPMode
  - >> HAL_NVIC_SetPriority
  - >> HAL_NVIC_EnableIRQ
  - >> HAL_Init
  - >> HAL_GPIO_WritePin
  - >> HAL_GPIO_Init
  - >> HAL_Delay
  - >> radio_tx_custom
  - >> radio_tx_auto
  - >> radio_sleep
  - >> radio_rx
  - >> radio_inits
  - >> radio_init
  - >> lr20xx_radio_common_set_tx_params
  - >> lr20xx_radio_common_set_rf_freq
  - >> lr20xx_radio_common_set_pa_cfg
  - >> event_clear
  - >> event_check
  - >> uart_read
  - >> uart_fifo_init
  - >> __aeabi_memclr4
  - >> __aeabi_memclr
  - >> puts
  [Address Reference Count : 1]
  - entry9a.o(.ARM.Collect$$$$0000000B)

  radio_init (Thumb, 460 bytes, Stack size 40 bytes, user_radio.o(.text.radio_init))
  [Stack]

  - Max Depth = 480
  - Call Chain = radio_init ⇒ lr20xx_radio_lora_set_modulation_params ⇒ lr20xx_workarounds_dcdc_configure ⇒ lr20xx_regmem_write_regmem32 ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_system_set_tcxo_mode
  - >> lr20xx_system_set_standby_mode
  - >> lr20xx_system_set_reg_mode
  - >> lr20xx_system_set_dio_function
  - >> lr20xx_system_get_version
  - >> lr20xx_system_get_errors
  - >> lr20xx_system_configure_xosc
  - >> lr20xx_system_clear_errors
  - >> lr20xx_system_cfg_lfclk
  - >> lr20xx_system_calibrate
  - >> lr20xx_radio_lora_set_syncword
  - >> lr20xx_radio_lora_set_packet_params
  - >> lr20xx_radio_lora_set_modulation_params
  - >> lr20xx_radio_common_set_tx_params
  - >> lr20xx_radio_common_set_rx_tx_fallback_mode
  - >> lr20xx_radio_common_set_rx_path
  - >> lr20xx_radio_common_set_rf_freq
  - >> lr20xx_radio_common_set_pkt_type
  - >> lr20xx_radio_common_set_pa_cfg
  - >> lr20xx_hal_reset
  - >> __2printf
  [Called By]
  - >> main

  radio_inits (Thumb, 496 bytes, Stack size 48 bytes, user_radio.o(.text.radio_inits))
  [Stack]

  - Max Depth = 488
  - Call Chain = radio_inits ⇒ lr20xx_radio_lora_set_modulation_params ⇒ lr20xx_workarounds_dcdc_configure ⇒ lr20xx_regmem_write_regmem32 ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_system_set_tcxo_mode
  - >> lr20xx_system_set_standby_mode
  - >> lr20xx_system_set_reg_mode
  - >> lr20xx_system_set_dio_function
  - >> lr20xx_system_get_version
  - >> lr20xx_system_get_errors
  - >> lr20xx_system_configure_xosc
  - >> lr20xx_system_clear_errors
  - >> lr20xx_system_cfg_lfclk
  - >> lr20xx_system_calibrate
  - >> lr20xx_radio_lora_set_syncword
  - >> lr20xx_radio_lora_set_packet_params
  - >> lr20xx_radio_lora_set_modulation_params
  - >> lr20xx_radio_common_set_tx_params
  - >> lr20xx_radio_common_set_rx_tx_fallback_mode
  - >> lr20xx_radio_common_set_rx_path
  - >> lr20xx_radio_common_set_rf_freq
  - >> lr20xx_radio_common_set_pkt_type
  - >> lr20xx_radio_common_set_pa_cfg
  - >> lr20xx_hal_reset
  - >> __2printf
  [Called By]
  - >> main

  radio_irq_callback (Thumb, 212 bytes, Stack size 32 bytes, user_radio.o(.text.radio_irq_callback))
  [Stack]

  - Max Depth = 200
  - Call Chain = radio_irq_callback ⇒ lr20xx_system_get_and_clear_irq_status ⇒ lr20xx_hal_read ⇒ HAL_SPI_Receive ⇒ HAL_SPI_TransmitReceive ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_system_set_dio_irq_cfg
  - >> lr20xx_system_get_and_clear_irq_status
  - >> lr20xx_system_clear_irq_status
  - >> lr20xx_radio_lora_set_packet_params
  - >> lr20xx_radio_lora_get_packet_status
  - >> lr20xx_radio_fifo_read_rx
  - >> lr20xx_radio_common_set_rx
  - >> event_set
  [Called By]
  - >> HAL_GPIO_EXTI_Callback

  radio_rx (Thumb, 66 bytes, Stack size 8 bytes, user_radio.o(.text.radio_rx))
  [Stack]

  - Max Depth = 120
  - Call Chain = radio_rx ⇒ lr20xx_system_set_dio_irq_cfg ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_system_set_dio_irq_cfg
  - >> lr20xx_system_clear_irq_status
  - >> lr20xx_radio_lora_set_packet_params
  - >> lr20xx_radio_common_set_rx
  [Called By]
  - >> main

  radio_sleep (Thumb, 22 bytes, Stack size 0 bytes, user_radio.o(.text.radio_sleep))
  [Stack]

  - Max Depth = 112
  - Call Chain = radio_sleep ⇒ lr20xx_system_set_sleep_mode ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_system_set_sleep_mode
  [Called By]
  - >> main

  radio_tx_auto (Thumb, 78 bytes, Stack size 16 bytes, user_radio.o(.text.radio_tx_auto))
  [Stack]

  - Max Depth = 128
  - Call Chain = radio_tx_auto ⇒ lr20xx_system_set_dio_irq_cfg ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_system_set_dio_irq_cfg
  - >> lr20xx_system_clear_irq_status
  - >> lr20xx_radio_lora_set_packet_params
  - >> lr20xx_radio_fifo_write_tx
  - >> lr20xx_radio_common_set_tx
  [Called By]
  - >> main

  radio_tx_custom (Thumb, 78 bytes, Stack size 16 bytes, user_radio.o(.text.radio_tx_custom))
  [Stack]

  - Max Depth = 128
  - Call Chain = radio_tx_custom ⇒ lr20xx_system_set_dio_irq_cfg ⇒ lr20xx_hal_write ⇒ HAL_SPI_Transmit ⇒ SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> lr20xx_system_set_dio_irq_cfg
  - >> lr20xx_system_clear_irq_status
  - >> lr20xx_radio_lora_set_packet_params
  - >> lr20xx_radio_fifo_write_tx
  - >> lr20xx_radio_common_set_tx
  [Called By]
  - >> main

  uart_fifo_init (Thumb, 30 bytes, Stack size 8 bytes, user_uart.o(.text.uart_fifo_init))
  [Stack]

  - Max Depth = 8
  - Call Chain = uart_fifo_init
  [Calls]
  - >> fifo_create
  [Called By]
  - >> main

  uart_interrupt_callback (Thumb, 162 bytes, Stack size 16 bytes, user_uart.o(.text.uart_interrupt_callback))
  [Stack]

  - Max Depth = 52
  - Call Chain = uart_interrupt_callback ⇒ fifo_write
  [Calls]
  - >> fifo_write
  - >> fifo_read
  - >> fifo_get_length
  - >> event_set
  - >> HAL_UART_Receive
  [Called By]
  - >> USART1_IRQHandler

  uart_read (Thumb, 40 bytes, Stack size 24 bytes, user_uart.o(.text.uart_read))
  [Stack]

  - Max Depth = 60
  - Call Chain = uart_read ⇒ fifo_read
  [Calls]
  - >> fifo_read
  - >> fifo_get_length
  [Called By]
  - >> main

  uart_recvidle (Thumb, 36 bytes, Stack size 8 bytes, user_uart.o(.text.uart_recvidle))
  [Stack]

  - Max Depth = 8
  - Call Chain = uart_recvidle
  [Calls]
  - >> event_set
  [Called By]
  - >> SysTick_Handler

  __0printf$5 (Thumb, 22 bytes, Stack size 24 bytes, printf5.o(i.__0printf$5), UNUSED)
  [Calls]

  - >> _printf_core

  __1printf$5 (Thumb, 0 bytes, Stack size 24 bytes, printf5.o(i.__0printf$5), UNUSED)

  __2printf (Thumb, 0 bytes, Stack size 24 bytes, printf5.o(i.__0printf$5))
  [Stack]

  - Max Depth = 24
  - Call Chain = __2printf
  [Called By]
  - >> radio_inits
  - >> radio_init

  __scatterload_copy (Thumb, 14 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_copy), UNUSED)

  __scatterload_null (Thumb, 2 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_null), UNUSED)

  __scatterload_zeroinit (Thumb, 14 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_zeroinit), UNUSED)

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

  - Max Depth = 48
  - Call Chain = puts ⇒ fputc ⇒ HAL_UART_Transmit
  [Calls]
  - >> fputc
  [Called By]
  - >> main

  ### Local Symbols

  SPI_WaitFlagStateUntilTimeout (Thumb, 288 bytes, Stack size 32 bytes, stm32f1xx_hal_spi.o(.text.SPI_WaitFlagStateUntilTimeout))
  [Stack]

  - Max Depth = 32
  - Call Chain = SPI_WaitFlagStateUntilTimeout
  [Calls]
  - >> HAL_GetTick
  [Called By]
  - >> HAL_SPI_TransmitReceive
  - >> HAL_SPI_Transmit
  - >> HAL_SPI_Receive

  UART_DMAAbortOnError (Thumb, 12 bytes, Stack size 0 bytes, stm32f1xx_hal_uart.o(.text.UART_DMAAbortOnError))
  [Calls]

  - >> HAL_UART_ErrorCallback
  [Address Reference Count : 1]
  - stm32f1xx_hal_uart.o(.text.HAL_UART_IRQHandler)

  UART_Receive_IT (Thumb, 250 bytes, Stack size 4 bytes, stm32f1xx_hal_uart.o(.text.UART_Receive_IT))
  [Stack]

  - Max Depth = 4
  - Call Chain = UART_Receive_IT
  [Calls]
  - >> HAL_UART_RxCpltCallback
  - >> HAL_UARTEx_RxEventCallback
  [Called By]
  - >> HAL_UART_IRQHandler

  _printf_core (Thumb, 658 bytes, Stack size 104 bytes, printf5.o(i._printf_core), UNUSED)
  [Calls]

  - >> __aeabi_uldivmod
  [Called By]
  - >> __0printf$5

  ### Undefined Global Symbols