void FLASH_PageErase()

in CMake-armcc/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ex.c [559:596]

• 32 lines of code
• 24 McCabe index (conditional complexity)

void FLASH_PageErase(uint32_t Page, uint32_t Banks)
{
  /* Check the parameters */
  assert_param(IS_FLASH_PAGE(Page));

#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)
#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)
  {
    CLEAR_BIT(FLASH->CR, FLASH_CR_BKER);
  }
  else
#endif
  {
    assert_param(IS_FLASH_BANK_EXCLUSIVE(Banks));

    if((Banks & FLASH_BANK_1) != 0U)
    {
      CLEAR_BIT(FLASH->CR, FLASH_CR_BKER);
    }
    else
    {
      SET_BIT(FLASH->CR, FLASH_CR_BKER);
    }
  }
#else
  /* Prevent unused argument(s) compilation warning */
  UNUSED(Banks);
#endif

  /* Proceed to erase the page */
  MODIFY_REG(FLASH->CR, FLASH_CR_PNB, ((Page & 0xFFU) << FLASH_CR_PNB_Pos));
  SET_BIT(FLASH->CR, FLASH_CR_PER);
  SET_BIT(FLASH->CR, FLASH_CR_STRT);
}