static void FLASH_OB_GetPCROP()

in CMake-armcc/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ex.c [1219:1304]

• 76 lines of code
• 56 McCabe index (conditional complexity)

static void FLASH_OB_GetPCROP(uint32_t * PCROPConfig, uint32_t * PCROPStartAddr, uint32_t * PCROPEndAddr)
{
  uint32_t reg_value;
  uint32_t bank1_addr;
#if defined (STM32L471xx) || defined (STM32L475xx) || defined (STM32L476xx) || defined (STM32L485xx) || defined (STM32L486xx) || \
    defined (STM32L496xx) || defined (STM32L4A6xx) || \
    defined (STM32L4P5xx) || defined (STM32L4Q5xx) || \
    defined (STM32L4R5xx) || defined (STM32L4R7xx) || defined (STM32L4R9xx) || defined (STM32L4S5xx) || defined (STM32L4S7xx) || defined (STM32L4S9xx)
  uint32_t bank2_addr;
#endif

#if defined (STM32L471xx) || defined (STM32L475xx) || defined (STM32L476xx) || defined (STM32L485xx) || defined (STM32L486xx) || \
    defined (STM32L496xx) || defined (STM32L4A6xx) || \
    defined (STM32L4P5xx) || defined (STM32L4Q5xx) || \
    defined (STM32L4R5xx) || defined (STM32L4R7xx) || defined (STM32L4R9xx) || defined (STM32L4S5xx) || defined (STM32L4S7xx) || defined (STM32L4S9xx)
  /* Get the information about the bank swapping */
  if (READ_BIT(SYSCFG->MEMRMP, SYSCFG_MEMRMP_FB_MODE) == 0U)
  {
    bank1_addr = FLASH_BASE;
    bank2_addr = FLASH_BASE + FLASH_BANK_SIZE;
  }
  else
  {
    bank1_addr = FLASH_BASE + FLASH_BANK_SIZE;
    bank2_addr = FLASH_BASE;
  }
#else
  bank1_addr = FLASH_BASE;
#endif

#if defined (STM32L4P5xx) || defined (STM32L4Q5xx) || defined (STM32L4R5xx) || defined (STM32L4R7xx) || defined (STM32L4R9xx) || defined (STM32L4S5xx) || defined (STM32L4S7xx) || defined (STM32L4S9xx)
  if (READ_BIT(FLASH->OPTR, FLASH_OPTR_DBANK) == 0U)
  {
    if(((*PCROPConfig) & FLASH_BANK_BOTH) == FLASH_BANK_1)
    {
      reg_value       = (READ_REG(FLASH->PCROP1SR) & FLASH_PCROP1SR_PCROP1_STRT);
      *PCROPStartAddr = (reg_value << 4) + FLASH_BASE;

      reg_value     = (READ_REG(FLASH->PCROP1ER) & FLASH_PCROP1ER_PCROP1_END);
      *PCROPEndAddr = (reg_value << 4) + FLASH_BASE + 0xFU;
    }
    else if(((*PCROPConfig) & FLASH_BANK_BOTH) == FLASH_BANK_2)
    {
      reg_value       = (READ_REG(FLASH->PCROP2SR) & FLASH_PCROP2SR_PCROP2_STRT);
      *PCROPStartAddr = (reg_value << 4) + FLASH_BASE;

      reg_value     = (READ_REG(FLASH->PCROP2ER) & FLASH_PCROP2ER_PCROP2_END);
      *PCROPEndAddr = (reg_value << 4) + FLASH_BASE + 0xFU;;
    }
    else
    {
      /* Nothing to do */
    }
  }
  else
#endif
  {
    if(((*PCROPConfig) & FLASH_BANK_BOTH) == FLASH_BANK_1)
    {
      reg_value       = (READ_REG(FLASH->PCROP1SR) & FLASH_PCROP1SR_PCROP1_STRT);
      *PCROPStartAddr = (reg_value << 3) + bank1_addr;

      reg_value     = (READ_REG(FLASH->PCROP1ER) & FLASH_PCROP1ER_PCROP1_END);
      *PCROPEndAddr = (reg_value << 3) + bank1_addr + 0x7U;
    }
#if defined (STM32L471xx) || defined (STM32L475xx) || defined (STM32L476xx) || defined (STM32L485xx) || defined (STM32L486xx) || \
    defined (STM32L496xx) || defined (STM32L4A6xx) || \
    defined (STM32L4P5xx) || defined (STM32L4Q5xx) || \
    defined (STM32L4R5xx) || defined (STM32L4R7xx) || defined (STM32L4R9xx) || defined (STM32L4S5xx) || defined (STM32L4S7xx) || defined (STM32L4S9xx)
    else if(((*PCROPConfig) & FLASH_BANK_BOTH) == FLASH_BANK_2)
    {
      reg_value       = (READ_REG(FLASH->PCROP2SR) & FLASH_PCROP2SR_PCROP2_STRT);
      *PCROPStartAddr = (reg_value << 3) + bank2_addr;

      reg_value     = (READ_REG(FLASH->PCROP2ER) & FLASH_PCROP2ER_PCROP2_END);
      *PCROPEndAddr = (reg_value << 3) + bank2_addr + 0x7U;
    }
#endif
    else
    {
      /* Nothing to do */
    }
  }

  *PCROPConfig |= (READ_REG(FLASH->PCROP1ER) & FLASH_PCROP1ER_PCROP_RDP);
}