Peripheral State functions

Peripheral State functions. More...

Functions
HAL_NAND_StateTypeDef	HAL_NAND_GetState (NAND_HandleTypeDef *hnand)
	Return the NAND state. More...
uint32_t	HAL_NAND_Read_Status (NAND_HandleTypeDef *hnand)
	NAND memory read status. More...

Detailed Description

Peripheral State functions.

  ==============================================================================
                         ##### NAND State functions #####
  ==============================================================================
  [..]
    This subsection permits to get in run-time the status of the NAND controller
    and the data flow.

Function Documentation

HAL_NAND_GetState()

HAL_NAND_StateTypeDef HAL_NAND_GetState

(

NAND_HandleTypeDef *

hnand

)

Return the NAND state.

Parameters

hnand

pointer to a NAND_HandleTypeDef structure that contains the configuration information for NAND module.

Return values

HAL

state

Definition at line 1785 of file stm32l4xx_hal_nand.c.

{
  /* Return NAND handle state */
  return hnand->State;
}

HAL_NAND_Read_Status()

uint32_t HAL_NAND_Read_Status

(

NAND_HandleTypeDef *

hnand

)

NAND memory read status.

Parameters

hnand

pointer to a NAND_HandleTypeDef structure that contains the configuration information for NAND module.

Return values

NAND

status

Definition at line 1797 of file stm32l4xx_hal_nand.c.

{
  uint32_t data = 0;
  uint32_t DeviceAddress = 0;

  /* Identify the device address */
  DeviceAddress = NAND_DEVICE;

  /* Send Read status operation command */
  *(__IO uint8_t *)((uint32_t)(DeviceAddress | CMD_AREA)) = NAND_CMD_STATUS;

  /* Read status register data */
  data = *(__IO uint8_t *)DeviceAddress;

  /* Return the status */
  if ((data & NAND_ERROR) == NAND_ERROR)
  {
    return NAND_ERROR;
  }
  else if ((data & NAND_READY) == NAND_READY)
  {
    return NAND_READY;
  }

  return NAND_BUSY;
}