DLN_BOOT_GET_FLASH_DESC Command and Response

The DLN_BOOT_GET_FLASH_DESC command is used to retrieve information about the device internal flash memory.

DLN_BOOT_GET_FLASH_DESC Command

 typedef struct 
 {
    DLN_MSG_HEADER header;
    uint32_t reserved;
 } __PACKED_ATTR DLN_BOOT_GET_FLASH_DESC_CMD;

Parameters:

header

Defines the DLN message header DLN_MSG_HEADER. The header contains several predefined fields and is used to identify and route messages. You must fill the following fields before sending the command:

Field	Description
size	The size of the message. Must be equal to the size of the DLN_BOOT_GET_FLASH_DESC_CMD structure.
msgId	Identifies the message. For the DLN_BOOT_GET_FLASH_DESC command it must be set to 0x0903. You can use the DLN_MSG_ID_BOOT_GET_FLASH_DESC constant.
echoCounter	Can be used to link a command to a response. The response will have the same echoCounter value. This field can be any numerical value from 0 to 0xFFFF (65536).
handle	A handle to the DLN-series adapter.

received

This parameter is reserved for future use.

DLN_BOOT_GET_FLASH_DESC Response

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The adapter sends the DLN_BOOT_GET_FLASH_DESC response after the DLN_BOOT_GET_FLASH_DESC command execution. The response contains information about the device internal flash memory.

 typedef struct
 {
    DLN_MSG_HEADER header;
    DLN_RESULT result;
    DLN_BOOT_FLASH_DESC desc;
 } __PACKED_ATTR DLN_BOOT_GET_FLASH_DESC_RSP;

Parameters:

header

Defines the DLN message header DLN_MSG_HEADER. The response header contains the following fields:

Field	Description
size	The size of the message. It is equal to the size of the DLN_BOOT_GET_FLASH_DESC_RSP structure.
msgId	Contains the message id. For the DLN_BOOT_GET_FLASH_DESC response it is set to 0x0903. The DLN_MSG_ID_BOOT_GET_FLASH_DESC constant can be used to check the message ID.
echoCounter	Links a command to a response. The echoCounter value is copied from the respective command header.
handle	A handle to the DLN-series adapter. You can use the handle field to determine the adapter that have sent the response.

result

Contains the result of the command execution. For DLN_BOOT_GET_FLASH_DESC command DLN-series adapter can return the following result values:

Return Code	Description
DLN_RES_SUCCESS	Information about the device internal flash memory has been successfully retrieved.

desc

Contains the DLN_BOOT_FLASH_DESC structure.

DLN_BOOT_GET_FLASH_DESC Command and Response