21.13.1.49 read_flash_memory

Description

The command reads information from the NVM(Non volatile memory) modules. There are two types of information that can be read:

• Page Status – includes ECC1, ECC2, status, write count, access protection.

• Page Data

read_flash_memory [-deviceName { device_name }] \
                  [-startpage { integer_value }] \
                  [-endpage { integer_value }] \
                  [-access { all | status | data }] \
                  [-file { filename }]

Arguments


Parameter	Type	Description
deviceName	string	Optional user-defined device name. The device name is not required if there is only one device in the current configuration, or a device has already been selected using the set_debug_device command.
startpage	integer	Startpage is for page range. The value must be an integer. You must specify a -endpage and - block along with this argument.
endpage	integer	Endpage is for page range. The value must be an integer. You must specify a -startpage and -block along with this argument.
access	string	Specifies what eNVM information to check: page status, data or both. By default "all".
file	string	Name of output file for memory read.


Return Type	Description
String	Displays page status and data of Flash Memnory Contet with plain text format.

Error Codes


Error Code	Description
None	Parameter 'file' has illegal value.
None	Parameter 'access' has illegal value.
None	Parameter 'endpage' has illegal value.
None	Parameter 'startpage' has illegal value.
None	Parameter 'deviceName' has illegal value.
None	Parameter 'param_name' is not defined. Valid command formatting is'read_flash_memory [-deviceName "device name"] [-block "integer value"] [-client "client name"] [-startpage "integer value"] [-endpage "integer value"] [-access "all \| status \| data \| raw"] [-file "filename"]'

Supported Families


SmartFusion 2
IGLOO 2*
RTG4*

Example

This example checks eNVM data information from 0 to 2 pages.

read_flash_memory -startpage 0 -endpage 2 -access {data} \
                  -file {flash_memory}

v2024.1